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Service Manual
AV8
Issue 2.0
FMJ AV8 Preamp Processor
ARCAM
Contents List Section
Manual Updates
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Service Manual changes issue 1.0 to 2.0 -
Issue
Technical specifications
Front & rear view diagram Dimension diagram Specification -
Service guide
Engineering Mode AV8 Programmer software AV8 Loader software -
Build Sequence
How to assemble the AV8 -
Phono board L870
Circuit description Component overlay Parts list Circuit diagrams 2 2.0 2.0
Digital board L896
Circuit description Component overlay Parts list Circuit diagrams 1 1.6 1.6
PSU board L897
Circuit description Component overlay Parts list Circuit diagrams 4 4.1 4.0
Display board L898
Circuit description Component overlay Parts list Circuit diagrams 1 1.2 1.2 (N.B. circuit diagram marked as 1.1 not 1.2)
Audio board L921
Circuit description Component overlay Parts list Circuit diagrams 1 1.2 1.2
Video board L922
Circuit description Component overlay Parts list Circuit diagrams 3 3.2 3.2
Phase Locked Loop board L948
Circuit description Component overlay Parts list Circuit diagrams 1 1.0 1.0
Mechanical
Mechanical parts list Phono card upgrade parts list -
Manual Updates
Service Manual changes issue 1.0 to 2.0
L896 Digital Board 02_E101 IC906 EEPROM changed from 5G24LC08 to 5G24LC16 Parts list updated to issue 1.3 02_E127 R803 removed from parts list 02_E160 R921 changed from 10K 0805 1% (1M310 ) to 33K 0805 1% (1M333) 02_E161 IC907 changed from 74HC14 (5K7414) to 74LVC14 (5KLVC14) IC803 changed from CS8415A-CZ (5A8415) to CS8415A-CR (5A8415R) R820 changed from 5K1 (1M251) to 1K2 (1M212) C820 changed from 82N (2J382) to 100N (2J410) C821 changed from 2N2 (2J222) to 4N7 (2JA247) Circuit plus parts list updated to issue1.6
L897 Power Supply Board 02_E090 Vias added to connect chassis planes between top and bottom layers Plating removed from holes of PSU heat sink HS3 On mechanical parts list for E918RS 1xHA3V06A removed and 1xHA3V10B added 02_E094 1xHA3V06A deleted 1xHA3V10A added for MOSFET clip 1x F224 removed Parts list updated to issue 3.1 02_E142 R1 removed Opto added HCNW137 Circuit plus parts list updated to issue 4.0 PCB changed to allow wider opto to be fitted Parts list updated to issue 4.1
L898 Display Board 02_E081 R128 changed from 22K (1M322) to 33K (1M333) arts list updated to issue1.2
L922 Video Board 02_E103 Change of PCB routing Circuit plus parts list updated to issue 3.0 02_E112 R431 and R430 changed from 4K7 (1M247) to 470R (1M147) Circuit plus parts list updated to issue 3.1
L948 Phase Locked Loop Board 02_E100 Circuit plus parts list updated to issue 1.0 for production release
Summary
Update Technical Specification Service Guide
Issue 1.0 to 2.0
New section added Specification included Engineering mode updated AV8 programmer software added AV8 Loader software added Layout changes to manual Figure 3 changed (F224 blanking plug removed) Figure 8 changed (E042AY replaced with E876MC) Figure 12 changed (note for blanking plug removed) Updated circuit diagrams and parts list issue 1.2 to 1.6 Updated circuit diagrams to issue 4.0 and parts list issue to 4.1 Updated parts list issue 1.1 to 1.2 Circuit plus parts list updated from 1.1 to 1.2 Updated circuit diagrams and parts list issue 2.0 to 3.2 Updated circuit diagrams and parts list issue B to 1.0
Build Sequence
Digital Board L896 Power Supply L897 Display Board L898 Audio Board L921 Video Board L922 Phase Looked Loop L948
Technical Specifications
Contents
!
Front & rear view diagram
!
Dimensions diagram
!
Specifications
THX SURROUND EX
AV8 PREAMP PROCESSOR
THX
EFFECT
MODE
DISPLAY
MENU
OK
DVD
SAT
AV
VCR
PHONO/AUX
CD
TUNER
TAPE
DVD-A
DIRECT
MUTE
POWER
DESIGNED & MADE IN THE UK BY:A & R CAMBRIDGE, WATERBEACH, CB5 9PB.
REMOTE
OUT IN LOCAL DVD AV
DIGITAL INPUTS
TAPE Y/G U/B
HIGH QUALITY VIDEO 1
V/R Y/G U/B
2
V/R ZONE 2 1 2 MONITOR OUT VCR OUT VCR IN
VIDEO
RS232 CONTROL
TAPE
AV
SAT
DVD MM
VIDEO TRIGGERS 12V TRIGGER IN ZONE 2
50/60Hz 100-240VAC~ MAX 40VA
OUT
TUNER
CD
VCR
SAT
Y/G
OUT
CENTRE
U/B
V/R
Y/G
U/B
3
V/R
1/RGB
2/S-VIDEO
PROG TAPE VCR
MC
IN OUT IN AV SAT DVD AUDIO
LEFT
CENTRE
SUB 2
L SURR
LS BACK
LEFT
L SURR
LS BACK
TUNER
CD
OUT
L
GROUND LIFT (IN)
L R
AUX/ PHONO
L R
N1501
RIGHT SUB 1
R
OUTPUTS
SUB 3 R SURR RS BACK RIGHT
SERIAL No. LABEL
DVD-A/SACD IN
SUB
R SURR
RS BACK
ZONE 2 OUT
WARNING: THIS APPLIANCE MUST BE EARTHED
CAUTION SHOCK HAZARD, DO NOT OPEN. ACHTUNG VOR OEFFNEN DES GERAETES NETZSTECKER ZIEHEN. ATTENTION RISQUE DE CHOC, NE PAS ENLEVER. PRECAUCION PELIGRO DESCARGA, NO ABRIR.
Technical Specifications
Audio Line input sensitivity (set to Reference) Input impedance Preamp output level (nominal) Output impedance Signal/noise ratio (unwtd 20Hz 20kHz) analogue Signal/noise ratio (unwtd 20Hz 20kHz) digital (24-bit) THD+N analogue THD+N digital (24-bit) Headphone maximum output level into 600 ohm Output impedance Video inputs and outputs Input and output impedance Composite video level HF response to (3dB) S-video level (Y/C) HF response to (3dB) HQ (component) video level (Y/Cr/Cb) level (R/G/B) HF response to (3dB) Digital inputs Coaxial connection (level/impedance) Acceptable sampling frequencies, all inputs Digital output Output level/impedance Sampling frequency in ADC output mode Trigger outputs Output D.C. voltage (excl. RGB status) Allowable load Remote inputs and output Signal Coding General Mains voltage range Power consumption Power consumption (standby) Dimensions Width x Depth x Height (including feet) Weight (net) Weight (packed) Supplied accessories
2V rms 10k ohm 2V rms 25 ohm >100dB >98dB 0.0012% 0.0015% 5V p-p 5 ohm
75 ohm 1V 12MHz 1V/0.28V 12MHz 1V/0.5V/0.5V 1V/1V/1V 300MHz
0.5V/75 ohm 44.1kHz, 48kHz, (96kHz stereo only) 0.5V/75 ohm 44.1kHz 12V ±1V 30mA max (min 400 ohm) modulated 36kHz carrier Philips RC-5
85V to 265V 35VA 32VA 433mm x 360mm x 130mm 9kg 14kg Mains lead CR80 remote control 2 x AAA batteries
Service Guide
Contents
!
Engineering mode
!
AV8 Programmer software
!
AV8 Loader software
AV8 Engineering Mode
To access the software versions simultaneously press OK, DVD & CD on the front panel. The software versions will be displayed on the OSD.
Restore Defaults This allows you to reset the AV8 to the factory default settings. Diagnostics (For factory diagnostics only) This switches on RS232 messaging to allow remote analysis (hyperterminal at 38400 baud, 8 data bits, no parity, 1 stop bit and no flow control). Please note that this will disable the RS232 interface for user control via crestron or similar controllers. Front Panel IR Rx This allows you to disable the front panel IR receiver and prevent the AV8 from responding to these signals. With the Engineering Menu title bar highlighted use the volume control to select the second engineering page.
AV8 Version: 2.0 THX Ul2: 13.0 Dolby D: 16.0 Plogic 2 : 4.0 DTS ES: 15.0 DTSNeo6: 18.0 Cos Eff : 15.0
Exit this menu
Select EXIT and OK to leave the menu. If no buttons have been pressed for 30 seconds the AV8 will automatically exit the menu. Press THX, this takes you to the engineering menu first page. Use the up/down buttons on the front panel to select the option followed by the volume control to adjust the setting.
Engineering Menu 2 PLL Module DVD : AUTO (or OFF) SAT : AUTO (or OFF) AV : AUTO (or OFF) VCR : AUTO (or OFF) AUX : AUTO (or OFF) CD : AUTO (or OFF) TUNER :AUTO (or OFF) TAPE : AUTO (or OFF) EXIT 16* 16* Off No Off On (or 19) (or 19) (or On) (or Yes) (or On) (or Off)
If the source equipment clock rates are operating outside the specification of the AV8 phase locked loop circuit you may experience "a hissing noise" from the audio outputs. In this situation it is advisable to switch the phase locked loop circuit off of the input giving the problem. Using the second page of the engineering menu select the input and turn the PLL (phase locked loop) from AUTO to Off. This can happen with Broadcast signals particularly from satellite, cable or terrestrial digital TV.
Engineering Menu RC5 Code Zone 1 : RC5 Code Zone 2 : Scrolling Message: Restore Defaults: Diagnostics : Front Panel IR Rx : EXIT
RC5 Code Zone 1 This allows you to select which RC5 system code zone 1 responds to (16 or 19). If set to code 19 the AV8 will not respond to the CR80 remote control. RC5 Code Zone 2 This allows you to select which RC5 system code zone 2 responds to (16 or 19). Scrolling Message This allows you to turn the display scrolling message on/off. When the messages are turned on you can select the displayed message by pressing the corresponding input button. Button DVD SAT AV VCR AUX CD TUNER Message Arcam AV8 FMJ Home Theatre AV8 Multichannel Processor arcam sideways Arcam AV8 Sound and Vision AV8 Designed in Cambridge UK Arcam AV8 Preamp Processor AV8 THX ULTRA 2, DTS ES, DOLBY PL2
AV8 Programmer
Future software upgrades can be installed via the RS232 port on the back of the AV8. The following equipment will be required: ! ! ! IBM PC compatible computer running Windows 98 or later Software ARCAM AV8 Programmer utility (included on the AV8 CD-ROM) Lead RS232 9-way female D type to 9-way female D type (null modem)
AV8 Loader (Preset Backup)
The AV8 Loader utility allows the unit settings to be either downloaded from or uploaded to the AV8. The following equipment will be required: ! ! ! IBM PC compatible computer running Windows 98 or later Software ARCAM AV8 Loader utility (included on the AV8 CD-ROM) Lead RS232 9-way female D type to 9-way female D type (null modem)
Installation procedure Installation procedure The AV8 Programmer utility needs to be installed on your PC before you can use it: ! ! Close down any programs which are running, then insert the CD-ROM into the CD drive The setup program normally starts up automatically when the disc is inserted. If this does not happen, you can instruct the PC to install the program as follows: o Click on `Start' and select `Run...' from the pop-up menu o In the box, type `D:\setup.exe', where `D' is your CD-ROM drive o Click `OK' The AV8 Loader utility can be run directly from the CDROM, or you can copy the entire `Preset Backup Utility' folder to your hard drive (e.g. C:\ Program Files \ Arcam \ Preset Backup Utility).
Operation procedure To run the AV8 Loader program: ! ! ! Connect the RS232 lead from the PC to the RS232 control connector on the AV8 Switch off all the power amps connected to the AV8 Run the AV8 Loader program: o Click on `Start' and select `Run...' from the pop-up menu o In the box, type `D:\ Preset Backup Utility \ AV8Loader_GUI.exe' or the location of the file on the hard drive if not using the CD-ROM o Click `OK' Select the Com port you are using: o Select `File -> Settings...' o Select the Com port you are using from the drop down menu o Close the window
The install process will then begin. You will be prompted for your Name, Organization and Destination Folder for the installation (default is C:\Program Files\Arcam\AV8 Programmer\). Follow the instructions on-screen. Operation procedure ! ! ! ! ! ! Open the AV8 Programmer utility by double clicking the desktop icon, or from the Programs list within the Start menu Switch off all the power amps connected to the AV8 Switch off the AV8 Connect the RS232 lead from the PC to the RS232 control port on the AV8 From within the AV8 Programmer software: o Select the new software file to be uploaded using the `Open file' button o Select the Com port you are using Put the AV8 into program mode: o Press and hold the program button on the back of the AV8 (located with the video output connections) o Turn the AV8 on with the program button still pressed o Wait 5 seconds and then release the program button. The display will remain completely blank and no LEDs will light. From within the AV8 Programmer software: o Click `Program'
To download the settings from the AV8 to the PC: ! Create a new backup file: o Select `File -> New...' o Locate a suitable place to save the backup file (e.g. C:\ Program Files \ Arcam \) o Enter a name for the file in the `File name' box (e.g. AV8.epr). Note the `.epr' name extension o Click `Save' Download the AV8 settings: o Select `Transfer -> Download From AV8...'
!
!
!
The AV8 Loader utility will then download the configuration from the AV8 and save it using the filename you gave. Once the setup is read from the AV8 it is automatically stored as a "working file". To upload a configuration to the AV8 from the PC:
The PC will now upload the software and display the following information: Connecting: 0 to 100% Programming: 0 to 100% Verifying: 0 to 100% This process will take up to four minutes. When the software has been uploaded the message `Status: SUCCESS' will be displayed. ! ! Turn the AV8 off and unplug the RS232 lead Wait 10 seconds before turning the AV8 back on
!
!
Locate the backup file you wish to upload: o Select `File -> Open...' o Locate the folder where the backup file is saved o Select the name of the `.epr' file you wish to upload o Click `Open' Upload the AV8 settings: o Select `Transfer -> Upload To AV8...'
The AV8 automatically resets after the configuration has been uploaded.
If, after programming the AV8 the unit displays "Populating EEPROM" when first turned on, it will be necessary to reset the user configurations within the unit. This is dependent on the degree of the software changes and will not always be necessary.
Build Sequence
Contents
!
How to assemble the AV8
1.
Assemble the damping plate to chassis floor. Screw through from underneath the chassis and thoroughly degrease the chassis floor before assembling the damping plate. See FIG1. Part No. E816CH E873MC HE6V06B Description Chassis Damping Plate Self-tapping No6x6mm Pan Torx-Slot Steel Zinc-Plate Black Qty 1 1 4
6.
Assemble 5x H038 to audio board, L921AY, using 5x HA3V06A in the holes running along the EMC can, only then fit the board into the chassis with the other 5x H039 pillars (do not fit rear panel). Loosely screw all the pillars through the pcb into the chassis, once these pillars are in place tighten them all. See FIG5.
Part No. HF4V09B
2.
Assemble the feet to the chassis. Screw through the chassis floor into the foot. Stick the bumpon foot onto the base of turned foot. See FIG2. Part No. E935MC HA3V06A F225 Description Turned Foot Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear Black `Bumpon' Foot Qty 4 8 4
Description Qty Screw Self-Tapping-SEMS No4x9mm 3 Pan Torx-Slot Steel Zinc-Plate Black (into EMC shield) H038 38 ff pillars 5 H039 38 mf pillars 5 HA3V06A Screw Machine M3x6mm Pan Torx 5 Steel Zinc-Plate Clear (from underneath) HF4V09B Screw Self-Tapping-SEMS No4x9mm 19 Pan Torx-Slot Steel Zinc-Plate Black (into sockets) NB. Screws in italics are to be used when rear panel is fitted in step 18.
3.
Assemble the power socket to rear panel before assembling the rear panel to the chassis. See FIG3. Part No. E040AY 8A016 HA3V10B HJ3A00F HL3IB Description Rear Panel Assembly 8A016 IEC Inlet with EMI Filter YB10T1 Screw Machine M3x10mm Pan TorxSlot Steel Zinc-Plate Black Nut Nyloc M3 Steel Zinc-Plate Clear Washer Internal Shakeproof M3 Steel Zinc-Plate Black Qty 1 1 2
7.
Once the audio board is in place, fit the following cables to the audio board. Ensure the cables, especially the flex foil, are the correct way round. Part No. L925CA L927CA Description 8-way AMP CT from audio to snap-off 280mm 6-way AMP CT from audio to horiz power 100mm 5-way AMP CT from headphone to audio 250mm 22-way foil cable from digital to audio 100mm 5-way AMP CT from digital to audio 100mm 8-way AMP CT from digital to audio 120mm 8-way AMP CT from digital to audio 120mm Reference SK901 SK801 Qty 1 1
2 2 L930CA
SK917
1
4.
Assemble power loom to IEC power inlet before assembling the rear panel to the chassis. The live connection is the right hand spade as viewed from behind (spade terminals) with the earth spade at the top. Part No. L939CA Description AV8 power loom Qty 1
L922CA L933CA L923CA L923CA
SK916 SK915 SK913 SK914
1 1 1 1
5.
N.B. If a phono card is to be fitted then you do not fit the "Aux" snap-off board at this stage, move to step 6. See step 23 for fitting the Phono upgrade kit.
Fit the "Aux" input snap-off board (snap-off from Audio board, L921AY) to the rear panel before assembling the rear panel to the chassis. See FIG4. Part No. HF4V09B Description Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black Qty 1
FIG1
FIG2
FIG3
FIG4
FIG5
8.
Fit the video board (L922AY main board) to the chassis (do not fit rear panel yet). Ensure the board is pushed to the back of the chassis before tightening down the board. Use the H041 pillars in the two holes closest to the S-video connectors (right hand side nearest the EMC screen as viewed from the connector side). See FIG6. Part No. HF4V09B Description Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black (into EMC shield) 22 mf pillars Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear thro' video PCB into standoffs Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black (thro' RP into sockets) Qty 2
11.
Fit the horizontal power PCB (L897AY snap-off part 2) using 6x HA3V06A screws into standoffs. Refer to FIG8. Once the pcb is in place, fit the cables below.
Part No. HA3V06A
L925CA 2 9
H041 HA3V06A
L926CA
HF4V09B
9
L928CA
L925CA Once the video board is in place, fit the following cables to the video board: Part No. L922CA Description 22-way foil cable from top video to video 100mm 8-way AMP CT from video to horiz power 280mm 30-way foil cable from digital to video 190mm Reference SK700 Qty 1
Description Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into standoffs 8-way AMP CT from horiz power to digital 280mm 7-way AMP CT from horiz power to digital 350mm 6-way AMP CT from horiz power to digital 540mm 8-way AMP CT from horiz power to phase lock loop 280mm
Reference
Qty 6
SK5
1
SK7
1
SK2
1
SK4
1
Connect the following cables using the reference table below: Part No. From Audio / SK801 To
L925CA
SK1000
1
L927CA
L931CA
SK702
1
9.
Fit the top video board (L922AY sub board) to chassis (do not fit rear panel). See FIG7. 12. Part No. HF4V09B Description Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black (into EMC shield) Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear through top video PCB into standoffs Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black (thro' RP into sockets) Qty 1
Horizontal power / SK3 L925CA Video / SK1000 Horizontal power / SK5 N.B. The Video cable L925CA has an excess of length so that the video board may be removed but still remain connected when the unit is serviced. A cable tie should be used to hold this excess when the board is installed. Fit the mains power button to the power switch, with the button to the top. Refer to FIG8. Part No. E887PM E850PM E850PMB Description DiVA power button adapter FMJ mains button (silver) FMJ mains button (black) Qty 1 1
HA3V06A
2
HF4V09B
9 13. Fit the vertical power PCB. Once the pcb is in place, fit the cable specified below. Part No. HA3V06A Description Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into standoffs 4-way AMP CT from digital to vertical power 220mm Reference Qty 2
Connect L922CA from the video board (SK700) to the top-video board (SK209) 10. See FIG8. Fit the power can using 2x HA3V06A into standoffs.
L929CA Part No. E876MC HA3V06A Description Power Can Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into standoffs Qty 1 2 14.
SK8
1
Fit the headphone PCB (snap-off from video board). Fit with socket facing to the front. Refer to FIG8. Part No. HA3V06A Description Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into standoffs Qty 2
Connect L930CA from audio board (SK917) to the headphone board (SKP1).
FIG6
FIG7
FIG8
Connect the cable assemblies listed below. 15. Fit the digital PCB (L896AY) such that the notch in the board is by the headphone board. Once the pcb is in place, fit the cables below. See FIG9. Part No. H039 H030 L931CA L923CA Description M3x38mm mf pillars into standoffs M3x18mm mf pillars into standoffs 30-way foil cable from digital to display 190mm 8-way AMP CT from digital to phase lock loop 120mm 5-way AMP CT from digital to phase lock loop 100mm Reference Qty 7 4 SK901 SK903 1 1 19. Part No. L939CA L925CA From IEC Inlet Audio / SK901 To Horizontal Power / SK1 Aux snap-off / SK927
Assemble the phono can assembly to the chassis (3 screws) and the rear panel (1 screw) making sure the cable loom fits into notch in top of the phono can. See FIG11. Part No. E041AY HF4V09B Description Phono Can Assembly Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black Qty 1 4
L933CA
SK801
1
Connect the cable assemblies listed below. Part No. L923CA L923CA L933CA L922CA L931CA L929CA L925CA L926CA L928CA From Audio / SK914 Audio / SK913 Audio / SK915 Audio / SK916 Video / SK702 Vertical Power / SK8 Horizontal Power / SK6 Horizontal Power / SK7 Horizontal Power / SK2 To Digital / SK102 Digital / SK103 Digital / SK100 Digital / SK902 Digital / SK900 Digital / SK1002 Digital / SK1001 Digital / SK1003 Digital / SK1000
20. Part No. E919AY E919AYB HA3V06A
Assemble the display PCB to the fascia assembly Description Fascia Assembly (silver) Fascia Assembly (black) Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into standoffs 14 Qty 1
21.
Assemble the fascia assembly and the display PCB to the chassis. Check the operation of mains button at this stage. Keep the foil bent upwards. Connect the flexfoil after the fascia assembly is fitted to the chassis. Part No. HE6V06B Description Self Tapping No6x6mm Pan TorxSlot Steel Zinc-Plate Black Qty 4
16. Part No. H030
Fit the phase lock loop PCB (L948AY). See FIG9. Description M3x18mm mf pillars into standoffs Qty 4 22. To Phase lock loop / SK1 Phase lock loop / SK3 Phase lock loop / SK2 Part No. E826CP E826CPB HA4V06S HA4V06B
Connect L931CA from the digital board (SK901) to the display board (SK100).
Connect the cable assemblies listed below. Part No. L923CA L933CA L925CA From Digital / SK903 Digital / SK801 Horizontal Power / SK4
Assemble the cover plate to the chassis Description Cover Plate (Silver) Cover Plate (black) Screw Machine M4x6mm Pan Torx St Steel Nickel Screw Machine M4x6mm Pan Torx St Steel Black Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black Qty 1 4
17.
Clip 2 F219 cable clips into top of EMC shield. Then using the cable clips as handles fit EMC digital PCB shield. Refer to FIG9. Part No. E919MC HA3V06A Description Digital EMC Shield Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into standoffs thro' EMC shield into pillars Twist Lock cable clip Qty 1 11
HF4V09B
4
23.
Fit the Phono Board Upgrade Kit, using L870AY board and the following parts. See FIG12 for assembly instructions. Part No. H031 HF4V09B Description 20 ff pillars Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel ZincPlate Black into rear panel Screw Machine M3x6mm Pan Torx Steel Zinc-Plate Clear into pillars 8-way AMP CT from phono (SK2) to audio (SK901) 280mm 8-way connector Qty 3 1
F219 18.
2
Assemble the rear panel to the chassis using all the screws in italics on previous pages. Fit the power can lid over the chassis and the vertical can wall with vents directly above the EMC can on the power board. See FIG10. Part No. HF4V09B Description Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black (rear chassis return) Power Can Lid Screw Self-Tapping-SEMS No4x9mm Pan Torx-Slot Steel Zinc-Plate Black (2 into power can wall and 2 into chassis wall) Qty 6
HA3V06A L925CA
6 1 2
E877MC HF4V09B
1 4
FIG9
FIG10
FIG11
FIG12
Phono Board L870
Contents
!
Circuit description
!
Component overlay
!
Parts list
!
Circuit diagrams
AV8 Phono Board
Circuit Description Refer to circuit diagram L870 sheet 1
The phono board is a simple single stage RIAA amplifier and consists of two channels of high gain amplification, and the ability to switch between moving magnet (MM) and moving coil (MC) settings.
PSU
The unit derives its + 15V regulated rails from the unit it is fitted into with only local decoupling capacitors on board.
Interface
The unit connects to the host unit via a 8 way connector.
Amplification
The left channel has designators beginning with 100, and the right with 200. For the purposes of this description the left channel will be described, as the right channel is the same in all respects. The amplifier is a small signal class A voltage feedback amplifier with switch able gain. The input consists of an actively loaded differential pair of very low noise PNP transistors (TR106, TR107). These transistors are very specific and should only be replaced with identical parts with the E grade high gain. TR100 and TR101 form a current source for the pair, which sets the quiescent current for the entire amplifier. The active load consists of TR110 and TR111, which forms part of the differential current mirror with TR112, TR113 & TR114. This differential stage also has an active load (TR102 & TR103) to keep gain to a maximum. Both of these differential stages are designed to have as much gain as possible to enable the single stage design. The RIAA response is achieved in the feedback network: C101, C110, C111, C112, C119, C120 and R115, R112. C115 is used to correct between MM and MC gains as the amplifier is non-inverting. SW100 switches between MM and MC. Two poles of the switch change between the different loading required for each type of the cartridge: R108 & C109 for MM and added in parallel for MC R104 & C108. The other two poles change the feedback resister value to alter the gain: R105 for MM and added in parallel for MC R123. The DC offset is controlled by a non-inverting servo built around IC100. The amount of servo current is different for each gain setting via R111 (MM) and R124 (MC) so that the low frequency high pass point remains the same for both settings. However the high pass point for the circuit is set by C113. This gives a warp filter, stops DC start-up thumps from upsetting DC coupled circuitry and an approximation of the RIAA/IEC curve (-2dB @ 20Hz) The output is class A buffered by a dual mirror follower (TR104, TR105, TR108, TR109). The quiescent current is set by D100 and R118 and R119. Closed loop stability is achieved with C16, C117, giving symmetrical slewing capability.
L870 Phono Board Parts List Issue 2.0
Designator Part
C1 C100 C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C115 C116 C117 C118 C119 C120 C200 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C215 C216 C217 C218 C219 C220 D100 D101 D102 D200 D201 D202 IC100 IC200 PCB1 R100 R101 R102 R104 R105 R106 R108 R109 R110 R111 R112 R113 R114 R115 R116 2A410 2N622 2D210 2P710AS 2P710AS 2K410 2K410 2K410 2K410 2D147W 2D110W 2D247N 2D310 2D310 2K510 2D213N 2D147W 2D147W 2U610 2D110N 2D210 2N622 2D210 2P710AS 2P710AS 2K410 2K410 2K410 2K410 2D147W 2D110W 2D247N 2D310 2D310 2K510 2D213N 2D147W 2D147W 2U610 2D110N 2D210 3A4148 3A4148 3A4148 3A4148 3A4148 3A4148 5B071 5B071 L870PB_2 1H133 1H110 1H110 1H110 1H110 1H110 1H347 1H312 1H312 1H356 1H410 1H410 1H410 1H315 1H522
Description
CERD 100N 63V -20% +80% RA ELST 22U 63V PPRO 1N0 5% 63V RA ELEC 100U 25V SILMIC ELEC 100U 25V SILMIC PEST 100N 63V 10% PEST 100N 63V 10% PEST 100N 63V 10% PEST 100N 63V 10% PPRO W 470P 63V 5% RA PPRO W 100P 63V 5% RA PPRO 4N7 63V 5% RA PPRO 10N 63V 1% AXIAL PPRO 10N 63V 1% AXIAL CAP MKS2 1U0 16V 10% PPRO 1N3 63V 5% RA PPRO W 470P 63V 5% RA PPRO W 470P 63V 5% RA ELST NON POLAR 10UF 35V PPRO 100P 63V 5% RA PPRO 1N0 5% 63V RA ELST 22U 63V PPRO 1N0 5% 63V RA ELEC 100U 25V SILMIC ELEC 100U 25V SILMIC PEST 100N 63V 10% PEST 100N 63V 10% PEST 100N 63V 10% PEST 100N 63V 10% PPRO W 470P 63V 5% RA PPRO W 100P 63V 5% RA PPRO 4N7 63V 5% RA PPRO 10N 63V 1% AXIAL PPRO 10N 63V 1% AXIAL CAP MKS2 1U0 16V 10% PPRO 1N3 63V 5% RA PPRO W 470P 63V 5% RA PPRO W 470P 63V 5% RA ELST NON POLAR 10UF 35V PPRO 100P 63V 5% RA PPRO 1N0 5% 63V RA SSDIODE 1N4148 75V SSDIODE 1N4148 75V SSDIODE 1N4148 75V SSDIODE 1N4148 75V SSDIODE 1N4148 75V SSDIODE 1N4148 75V IC FET OPAMP TL071 IC FET OPAMP TL071 PRINTED CIRCUIT BOARD RES MF W4 1% 330R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 47K RES MF W4 1% 12K RES MF W4 1% 12K RES MF W4 1% 56K RES MF W4 1% 100K RES MF W4 1% 100K RES MF W4 1% 100K RES MF W4 1% 15K RES MF W4 1% 2M2
L870 Phono Board Parts List Issue 2.0
Designator Part
R117 R118 R119 R120 R121 R122 R123 R124 R200 R201 R202 R204 R205 R206 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 SK1 SK2 SW100 TR100 TR101 TR102 TR103 TR104 TR105 TR106 TR107 TR108 TR109 TR110 TR111 TR112 TR113 TR114 TR200 TR201 TR202 TR203 TR204 TR205 TR206 TR207 TR208 TR209 TR210 TR211 TR212 TR213 TR214 1H522 1H022 1H022 1H022 1H022 1H339 1H010 1H256 1H133 1H110 1H110 1H110 1H110 1H110 1H347 1H312 1H312 1H356 1H410 1H410 1H410 1H315 1H522 1H522 1H022 1H022 1H022 1H022 1H339 1H010 1H256 8D230 8K2408 A1013 4A556 4A556 4A556 4A556 4A556 4A556 4A1085 4A1085 4A546 4A546 4A546 4A546 4A546 4A546 4A546 4A556 4A556 4A556 4A556 4A556 4A556 4A1085 4A1085 4A546 4A546 4A546 4A546 4A546 4A546 4A546
Description
RES MF W4 1% 2M2 RES MF W4 1% 22R RES MF W4 1% 22R RES MF W4 1% 22R RES MF W4 1% 22R RES MF W4 1% 39K RES MF W4 1% 10R RES MF W4 1% 5K6 RES MF W4 1% 330R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 100R RES MF W4 1% 47K RES MF W4 1% 12K RES MF W4 1% 12K RES MF W4 1% 56K RES MF W4 1% 100K RES MF W4 1% 100K RES MF W4 1% 100K RES MF W4 1% 15K RES MF W4 1% 2M2 RES MF W4 1% 2M2 RES MF W4 1% 22R RES MF W4 1% 22R RES MF W4 1% 22R RES MF W4 1% 22R RES MF W4 1% 39K RES MF W4 1% 10R RES MF W4 1% 5K6 PHONO SKT 2-WAY HOR EMC GOLD 8-WAY AMP CT CONN SW PUSH 4PCO TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P 2SA1085 TRANS LF SS P 2SA1085 TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P BC556B TRANS LF SS P 2SA1085 TRANS LF SS P 2SA1085 TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B TRANS LF SS N BC546B
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D
D
C LEFT CHANNEL L870C2_2.0.SCH LEFT IN 1 LEFT OUT Q_5 1 2 3 4 5 6 7 8 AMPCT8 Q_7 0V_SIG -15V Q_8
C
SK1 PHONO2HG
Q_1
Q_3
+15V SK2
EMC C1 100N CD
0V_SIG Q_2
RIGHT CHANNEL L870C3_2.0.SCH RIGHT IN RIGHT OUT
Q_4
Q_6
0V_SIG
0V_HF
B
B
A
PCB1
EL1
DRAWING TITLE
PCB
L870PB_2
A85 PHONO STAGE - TOP LEVEL
23425
A
Update Box UPDATE_BOX
Circuit Diagram
Notes:
01_1070
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updated pcb and scm PRODUCTION ISSUE
DESCRIPTION OF CHANGE
Drawn by:
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ISSUE DRAWING NO. L870C1 8
A & R Cambridge Ltd. Pembroke Avenue 00_1051 JAG 22/3/01 Denny Industrial Centre ECO No. INITIALS DATE Waterbeach Date Printed Filename Cambridge CB5 9PB G:\DATA\ECO\ECO AGENDA\01_1070 l870 A85 PHONO ISSUE2\L870_2.0.ddb - L870c1_2.0.PRJ 23-Apr-2001
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Sheet 1 of 3
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Q_102
+15V
C104 100N PE
+
C119 D R100 330R MF
C102 100U SILMIC
100P PP
C101
0V_HF R101 100R MF
0V_SIG R102 100R MF
D
TR100 BC556B TR101 BC556B
1N0 PP
C110
TR102 BC556B
TR103 BC556B
+ C100 22U EL
4N7 PP C120 1N0 PP C112
10N PP AX C111 R115 R110 12K MF 15K MF 10N PP AX R112 100K MF C115 1N3 PP C105 100N PE D100 1N4148 R116 2M2 MF TR106 2SA1085 TR107 2SA1085 R111 56K MF SW100D 4PCO R124 5K6 MF R113 100K MF Q_101 1U0 PE C118 10U NP R117 2M2 MF R119 22R MF R122 39K MF C106 100N PE R118 22R MF C113 C TR108 BC546B TR109 BC546B
R109 12K MF
LEFT IN
SW100B 4PCO
C
LEFT OUT
6
5
4
7 6
IC100 3
2
TL071CD
4
R108 47K MF R104 100R MF C108 470P PPW C109 100P PPW
TR104 BC556B
TR105 BC556B
0V_SIG
10
11
12
R114 R123 10R MF 100K MF
R105 100R MF
0V_SIG
0V_SIG
C116 470P PPW TR112 BC546B TR113 BC546B
C117 470P PPW
B
B
TR110 BC546B
TR111 BC546B TR114 BC546B D101 1N4148 D102 1N4148 R106 100R MF R120 22R MF R121 22R MF
+ 0V_HF
C103 100U SILMIC
0V_SIG
C107 100N PE Q_103
-15V
A
DRAWING TITLE
A85 PHONO STAGE - LEFT CHANNEL
23425
A
Circuit Diagram
Notes:
01_1070
JAG
17/4/01
updated pcb and scm PRODUCTION ISSUE
DESCRIPTION OF CHANGE
Drawn by:
2 1
ISSUE DRAWING NO. 8 L870C2
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A & R Cambridge Ltd. Pembroke Avenue 00_1051 JAG 22/3/01 Denny Industrial Centre ECO No. INITIALS DATE Waterbeach Date Printed Filename Cambridge CB5 9PB G:\DATA\ECO\ECO AGENDA\01_1070 l870 A85 PHONO ISSUE2\L870_2.0.ddb 6L870C2_2.0.SCH 23-Apr-2001 5
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Sheet 2 of 3
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Q_202
+15V
C204 100N PE
+
C219 D R200 330R MF 100P PP C201 TR200 BC556B 1N0 PP C210 TR201 BC556B TR202 BC556B
C202 100U SILMIC
0V_HF R201 100R MF
0V_SIG R202 100R MF
D
TR203 BC556B
+ C200 22U EL
4N7 PP C220
R209 12K MF
1N0 PP C212
10N PP AX C211 R215 TR208 BC546B TR209 BC546B
R210 12K MF
15K MF 10N PP AX R212 100K MF C215 C205 100N PE D200 1N4148 R216 2M2 MF 1U0 PE R217 2M2 MF C218 10U NP TR204 BC556B TR205 BC556B R219 22R MF R222 39K MF C206 100N PE R218 22R MF C213 C
RIGHT IN
SW100A 4PCO 1N3 PP TR206 2SA1085 TR207 2SA1085 R211 56K MF SW100CR224 4PCO 5K6 MF C209
C
RIGHT OUT
3
2
1
7
Q_201
IC200 3
6
TL071CD
2
C208 R204 100R MF 470P PPW
R208 47K MF
R213 100K MF
4
0V_SIG
7
8
100P PPW R205 100R MF
9
R214 R223 10R MF 100K MF
0V_SIG
0V_SIG
C216 470P PPW
C217 470P PPW TR212 BC546B TR213 BC546B B
B
TR210 BC546B
TR211 BC546B TR214 BC546B D201 1N4148 D202 1N4148 R206 100R MF R220 22R MF R221 22R MF
+ 0V_HF
C203 100U SILMIC
0V_SIG
C207 100N PE Q_203
-15V
A
DRAWING TITLE
A85 PHONO STAGE - RIGHT CHANNEL
23425
A
Circuit Diagram
Notes:
01_1070
JAG
17/4/01
updated pcb and scm PRODUCTION ISSUE
DESCRIPTION OF CHANGE
Drawn by:
2 1
ISSUE DRAWING NO. 8 L870C3
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A & R Cambridge Ltd. Pembroke Avenue 00_1051 JAG 22/3/01 Denny Industrial Centre ECO No. INITIALS DATE Waterbeach Date Printed Filename Cambridge CB5 9PB G:\DATA\ECO\ECO AGENDA\01_1070 l870 A85 PHONO ISSUE2\L870_2.0.ddb 6L870C3_2.0.SCH 23-Apr-2001 5
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Sheet 3 of 3
Digital Board L896
Contents
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Circuit description
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Component overlay
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Parts list
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Circuit diagrams
AV8 Digital Board
Introduction Refer to circuit diagram L896 sheet 1
The AV8 digital board is the heart of the AV8 surround sound decoder. It includes the H8S system control micro, the RS232 interface chip, the two Crystal DSPS one used for the surround sound decoding the other for THX post processing, a SPDIF receiver, four DACS, the bass redirection multiplexers and one ADC along with the associated support circuits and Power supply.
Pin22 Pin23 Pin24 Pin25 Pin26 Pin27 Pin28 Pin29 Pin30
SIGGND - signal ground TXDATA - txdata DGND - digital ground via 22R DEM1 - demod1 DGND - digital ground via 22R DEM2 - demod2 DGND - digital ground via 22R SPDIFATX - spdif adc tx DGND - digital ground via 22R
Connections
SK100 ADC input Pin1 AGND Pin2 Analogue right input Pin3 AGND Pin4 Analogue left input Pin5 AGND
SK102 DAC output for left, right, centre and sub Pin1 DACL Pin2 DACGL Pin3 DACR Pin4 DACGR Pin5 DACC Pin6 DACGC Pin7 DACS Pin8 DACGS
SK103 DAC output for left / right surround and left / right surround back Pin1 DACLS Pin2 DACGLS Pin3 DACRS Pin4 DACGRS Pin5 DACLSB Pin6 DACGLSB Pin7 DACRSB Pin8 DACGRSB
SK901 connections to display board Pin1 0VF2GND Pin2 P5VF2 Pin3 P36VF1 Pin4 0VF1GND Pin5 DISPBLK Pin6 DGND Pin7 DISPLAT Pin8 DGND Pin9 DISPCLK Pin10 DGND Pin11 DISPDAT Pin12 P3V3D Pin13 FCK2 - fclock2 Pin14 FCK1 - fclock1 Pin15 DGND Pin16 IRFP - irfp in Pin17 LEDEN - led enable Pin18 PHB - phase B Pin19 PHA - phase A Pin20 KEYB2 - keyB2 Pin21 KEYB1 - keyB1 Pin22 KEYB0 - keyB0 Pin23 P5VD Pin24 KEYBL - keyboard latch Pin25 DGND Pin26 LEDL - led latch Pin27 DGND Pin28 KEYBCK - keyboard clock Pin29 DGND Pin30 KEYBD - keyboard data
SK900 connections to video board Pin1 VIDSD - video serial data Pin2 DGND - digital ground via 22R Pin3 VIDSCLK - video serial clk Pin4 DGND - digital ground via 22R Pin5 VIDCL - video comp latch Pin6 VIDSL - video svid latch Pin7 SPDIFL - spdif latch Pin8 VIDZCS - video zone2 cs Pin9 VIDOC - video osd cs Pin10 Z2 VID - zone2 video in present Pin11 OSDVID - osd video in present Pin12 PROG - Program Pin13 VSYNC - vsync Pin14 DGND - digital ground via 22R Pin15 VSYNCZ2 - vsync zone2 Pin16 DGND - digital ground via 22R Pin17 CSYNC - comp sync Pin18 DGND - digital ground via 22R Pin19 SPDIFRX - spdif rxn Pin20 DGND - digital ground via 22R Pin21 RX DATA - rxdata
SK902 connections to audio board Pin1 PHINS - phones inserted 3V3 Pin2 DGND - digital ground via 22R Pin3 AUDSD - aud sdata Pin4 DGND - digital ground via 22R Pin5 AUDSCK - aud sclock Pin6 DGND - digital ground via 22R Pin7 AUDSEL0 - aud sel 0 Pin8 DGND - digital ground via 22R Pin9 AUDSEL1 - aud sel 1 Pin10 DGND - digital ground via 22R Pin11 AUDSEL2 - aud sel 2 Pin12 DGND - digital ground via 22R Pin13 AUDCTRL - aud control enable Pin14 DGND - digital ground via 22R Pin15 DGND - digital ground via 22R Pin16 DGND - digital ground via 22R Pin17 DGND - digital ground via 22R Pin18 DGND - digital ground via 22R Pin19 DGND - digital ground via 22R Pin20 DGND - digital ground via 22R Pin21 DGND - digital ground via 22R Pin22 DGND - digital ground via 22R
SK1000 Pin1 Pin2 Pin3 Pin4 Pin5 Pin6
P18V AGND N18V P21V AGN N21V
and stereo DAC. The DAC is in hardware configuration mode (the control of emphasis and serial interface mode is set by pulling pins high and low on the DAC). The serial interface is set to I2S. The pins DM0 and DM1 control the de-emphasis filters and are controlled via a serial to parallel latch (IC905) connected to the micro. DAC reset is used to initialise the part and is under the control of the microprocessor via a latch (IC905), it is an active low signal. DAC MUTE on the same latch is an active low signal and forces a soft mute of the output of the DAC. The serial audio data interface consists of the DAC I2S LRCLK, DAC I2S BCLK and DAC I2S DATA. DAC I2S LRCLK is the left right clock for the audio frames it should be a square wave at the sampling frequency. The signal is low during the left frame and high during the right frame. DAC I2S BCLK is the bit clock for the data and data is clocked into the DAC on the rising edge of this clock. The bit clock operates at 64 times the left right clock. DAC I2S DATA is the actual audio data it is should be presented in I2S format that is one bit offset MSB first data of up to 24bits. Each data frame consists of 32bits one offset bit 24 data bits and 7 empty zero bits. (If the actual data is less than 24 bits (i.e. from CD) the unused bits may also be empty zero.) The output of the DAC is differential on the pins 16,17 for left and 12,13 for right. This signal passes into a second order multiple feedback type balanced to single ended filter. The filter is a second order Bessel function with a three dB point of approximately 75KHz. This filter has been reworked on the Bass output to have a three dB point of approximately 300Hz to reduce the HF noise introduced by the bass management section. The filter is unity gain however the balanced to single ended conversion introduces a gain of two. The output of the balanced to single ended converter should be 2Vrms for a full scale input. Following the filter is a buffer stage. The buffer stage performs two functions, it is a virtual earth mixer used to mix bass information into the other channels when a sub woofer is not present. Switching the CMOS switch 74HCT4053 controls the mix. The control of the CMOS switch is under microprocessor control via a latch (IC904). The second function of the buffer is to provide a ground sense to the Audio board. This allows the two boards to be loosely connected via a high impedance without introducing hum. The difference between the grounds on the two PCBS is sensed by the positive input of the opamp and added into the signal, this effectively removes any ground variation between the two PCBS. The full-scale output of the DAC should produce 2v RMS at the output of the buffer stage. DAC performance specification THD better than -95dB (0.0018%) Noise level at output of buffer better than -100dB ref 2VRMS or 94dBV Frequency response +/- 0.4dB 10Hz to 20KHz The other components on the circuit are decoupling for the DAC, OPAMP and CMOS multiplexer. VMIDR and VMIDL are the output bias chains and should be at approximately half the Analogue Voltage rail (2.5V). AVDDL and AVDDR are the logic supply rails for the digital filter and the switched capacitor filter.
SK1001 Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7 Pin8
P12V DGND N12V DGND P5V DGND P3V3 DGND
SK1002 Pin1 Pin2 Pin3 Pin4
PSU SYNC PSU GOOD PSU KILL DGND
SK1003 Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7
P36VF1 0VF1 P36VSET P5VF2 OVF2 P5VF2SET N/C
ADC Refer to circuit diagram L896 Sheet 2
The signals to the ADC are converted to balanced by the three opamps that also correct the level to the input of the ADC so that 2VRMS on the input of the first opamp provides a full-scale input to the ADC. 2.45V p-p (Note: not RMS) A bias is added to the incoming signal so that it can be input to the ADC analogue section which operates on a single 5V rail. The bias is generated by the potential divider R216 and R217 this is 1.75V it is amplified by 1.43 by the opamp to give approximately 2.5V at the output of the opamps IC202 and IC203. The diodes D200, D201, D202, D203 prevent over voltage signals from being presented to the input of the ADC, they do not protect the ADC if one of the opamp fails, as the diode will blow as well. The ADC itself is set to operate as a master for the I2S interface and to have its internal high pass filter enabled. Data is output from the ADC on pin 15, it also generates a bit clock at 64xFS on pin 14 and a word clock at Fs on pin 13. The master clock on pin 17 is an input and should be at 256xFs.
DAC Refer to circuit diagram L896 Sheets 3,4,5,6
The DAC sheets are all essentially the same and so are only described once below. The Sub DAC output has some minor differences that are described in the text. The DAC is a 24bit 192KHz part it consists of a serial interface port, digital interpolation filter, multi bit sigma delta modulator
DSP Refer to circuit diagram L896 Sheet 7
This is the Digital signal Processor sheet. IC701 is the main DSP it decodes the in coming data stream to provide the 5 channels of discrete audio from Dolby Digital, DTS or MPEG encoded material or a matrix decode of stereo information to 4 or five channel. The decoded data is passed to the second DSP IC702 that performs post processing on the signal, performing the THX equalisation Tone controls and Bass management.
The signal arrives at the first DSP either on the SPDIF I2S DATA line from the digital inputs or on ADC DATA 3.3V for analogue inputs. The SPDIF chip generates the clocks for its interfaces, and the master clocks as it is the system master. The ADC generates its own bit clock and word clock from the master clock it receives from the ADC. When the ADC is in use the master clock is generated by an 11.2896MHz crystal attached to the SPDIF receiver (IC803). The audio data is passed between the two DSPS in a time domain multiplexed form on the DSP_AUD0 line. The clocks for this line are on DSP1_SCLK and DSP1_LRCLK. As six channels are passed between the two DSPS the interfaces works at 3x the normal I2S speed. (3x stereo channels equal to six channels). Audio data passes out of the second DSP IC IC702 to the four DAC's via the serial terminators on pins 41 40 39 and 3. At this point the audio data is in I2S format. The DSP generates clocks for this audio data on pins 43 and 42 these are re-clocked and buffered by IC1102 and IC1100. A system clock is passed to the DSP via pin30. This clock is multiplied inside the DSP chip using a phase locked loop. The phase locked loop filter (PLL) is made up of the components on pins 33 and 32. A smoothed supply is provided for the PLL via the ferrites L701 and L700. Control of the DSPs from the micro-controller is via an SPI (serial peripheral interface) and uses pins 6,7,18,19,20. SPI is a Serial interface with clock (pin 7) and chip select (pin 18) in this implementation the read (pin 6) and write (pin19) lines are independent and pin 20 is the interrupt line. Chips IC704 to IC708 are the SRAM and SRAM interface. IC704 is a level shifter from the 2.5V out of the DSP's to the 3.3V of the SRAM The components IC705 IC706 IC707 are the address latch. The address from the 8bit port on the DSP is latched through these three chips to form a 19 bit address for the SRAM chip. IC708 is the SRAM chip. The SRAM interface is used to provide the lip-sync function within the DSP.
SPDIF RST This is the reset signal, at power up it is held low to keep the device in reset until the power is stable. IC802 is the master clock buffer and fans out the master clock to the other chips inside the product. Each line is series terminated to reduce reflections on the line.
Microprocessor Refer to circuit diagram L896 Sheet 9
This sheet contains the circuits for the H8S micro-controller. The micro-controller has control of all the system functions via its I/O ports. UARTS The RS232 port is connected to one (TXD1 RXD1) of the three UART interfaces the other two are used for the serial VFD display updates (TXD0, SCK0) and the control of the DSP chips (TXD2, RXD2, SCLK2). RS232 input is buffered via IC902, which generates and receives the levels required for RS232 communication (+/- 12V) INTERUPTS Pins 33,34,37,38 are used as interrupts to the micro-controller. Pin 33 is the SPDIF interrupt, Pins 34 and 37 are the interrupts from the two DSP chips and 38 is the power fail interrupt. RESET The chip reset is formed using the Schmitt trigger inverters in IC907 and the RC delay formed of C936 and R921. This is used to latch the information on the program button through the dtype flip-flop IC908A. The reset is further delayed by the RC C903 R916 then used to release the reset on the Microcontroller. This is so that the micro-controller mode (Program or normal run) is set up before the reset is released on the micro. DSP Clock
SPDIF Refer to circuit diagram L896 Sheet 8
The SPDIF receiver decodes the in coming SPDIF data into an I2S stream and extracts the clocks from the signal. The SPDIF signal arrives at the input through the coupling cap C824. The SPDIF signal is BIPHASE decoded to extract the data and a PLL is synchronised to the left right preamble to generate the system clocks. In the absence of an input signal the chip switches over to the crystal oscillator on pin 21 this assumes that the input is now coming from the ADC. In this situation the only clock generated is the master clock, which is used by the ADC to generate the clocks for its I2S interface and by the DSPs to generate clocks at their outputs. If the system is in Stereo bypass mode (i.e. pure stereo operation) OMCLK STOP is used to shut down the crystal oscillator to reduce noise in the box. The phase locked loop filter is made up of C820, C821 and R820. The supply for the PLL comes from P5VD via the local inductor to give a local smooth supply. The SPDIF chip is controlled via an SPI interface on pins 1,28,27,2,19. Data is received on pin 27 CDIN, transmitted on pin 1 CDOUT, the clock is on pin 28 CCLK, Chip select is on Pin 2 and the interrupt line is on pin 19. SPDIS EMPH indicates weather the incoming signal has emphasis or not. (Low = emphasis)
The clock for the DSP is generated from the Micro-controller clock and is output on PF7/0. This output is at 24.576MHz. The 24.567MHz clock is divided by two by the D type Flip Flop IC908B. A 74LV74 is required to provide sufficient speed to generate a 12.288MHz signal to the DSPs. This output is under micro-controller control and is shut off when the DSPs are not being used. (I.e. stereo bypass mode and standby). Static Port expanders IC904 and 905 provide static control lines for the noise sensitive parts of the circuit, the DACs and ADC. They are serial programmed via a bit bashed SPI type interface. Q900 generates a output enable low signal from the reset signal. Buffers IC900 is a level shifting buffer between 5V signals and the 3.3V tolerant inputs on the micro. EEPROM A 8k EEPROM is used to store the configuration information this is IC906 it is addressed using a bit bashed I2C interface. Connectors The three main control connectors are also on this sheet and connect to the video SK900 audio SK902 and front panel SK 901 PCBs.
Power Supply Refer to circuit diagram L896 Sheet 10
The power supply sheet contains the connectors from the power supply. SK1003 display supply. SK1000 Analogue supply. SK1001 Digital Supplies. SK1002 Power supply control. Each of the supplies that is used passes through a LC filter to reduce any noise in both directions i.e. noise coming in from the switched mode supply or noise getting out from the noise on the digital board. PSU Sync signal The sync signal is derived from the I2S bit clock (64xFS) signal, which is divided down by IC1001 and the appropriate output to sent ( either 96KHz or 88.1 KHz ) to the PSU by the multiplexer IC1002. Voltage set and VFD HT shut down Two resistors set the voltage the Switch mode supply generates for the display R1008 sets the HT voltage to 36V and R1007 set the Heater voltage to 5V. To prevent anode stripping when the heater is switched off the VFD display has a HT shut down this is performed by Q1000 which shorts the voltage set resistor R1008 to ground. Regulators Three regulators are used to provide secondary regulation for the +/- 15V signal (it is already regulated to +/- 18V on the PSU PCB) and the 5V analogue supply that is derived from the 18V regulated supply. The 2.5V supply for the DSP chips is derived from the 3.3V supply by using the forward voltage drop of a diode. And a negative 5V rail is generated using a zenner to provide the bias voltage for the CMOS switches used in the bass management.
Re-clocking Refer to circuit diagram L896 Sheet 11
The re-clocking of all of the I2S signals to the DACs is performed by IC1102 which clocks them all through the d-type flip flops synchronous to the master clock on pin 9. The Data signals then go straight to the DACs via series termination resistors. The Bit clock and word clocks are buffered by IC1100 to provide fan out to the four DACs each with their own series terminator to reduce reflections.
L896 Digital Board Parts List Issue 1.6
Designator Part
C1 C2 C3 C4 C5 C6 C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C200 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 C227 C228 C300 C301 C305 C306 C307 C308 C309 C314 C315 C316 C317 C318 C319 C323 2J210 2J210 2J210 2J210 2J210 2J210 2L110 2L110 2W110X4 2W110X4 2J210 2J210 2J210 2J210 2W110X4 2W110X4 2J210 2J210 2J210 2V710 2V710 2L047 2L047 2L047 2L047 2K322 2K322 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2P610 2P610 2P610 2P610 2P610 2J410 2J410 2V710 2L133 2L133 2P610 2P610 2P610 2P610 2P610 2K447 2K447 2K347 2K347 2P610 2P610 2J410
Description
Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 NPO Ceramic 5% 100V 100P Capacitor SM 0805 NPO Ceramic 5% 100V 100P Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor Non-Polar Radial Electrolytic 100UF 16V Capacitor Non-Polar Radial Electrolytic 100UF 16V Capacitor SM 0805 NPO Ceramic 5% 100V 47P Capacitor SM 0805 NPO Ceramic 5% 100V 47P Capacitor SM 0805 NPO Ceramic 5% 100V 47P Capacitor SM 0805 NPO Ceramic 5% 100V 47P Capacitor Boxed Polyester 5mm Pitch 5% 63V 22N Capacitor Boxed Polyester 5mm Pitch 5% 63V 22N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Non-Polar Radial Electrolytic 100UF 16V Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Boxed Polyester 5mm Pitch 10% 63V 470N Capacitor Boxed Polyester 5mm Pitch 10% 63V 470N Capacitor Boxed Polyester 5mm Pitch 10% 63V 47N Capacitor Boxed Polyester 5mm Pitch 10% 63V 47N Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N
L896 Digital Board Parts List Issue 1.6
Designator Part
C333 C336 C337 C340 C341 C342 C343 C345 C346 C348 C351 C354 C360 C361 C364 C365 C370 C371 C400 C401 C409 C410 C411 C412 C413 C414 C415 C419 C433 C436 C438 C440 C441 C442 C443 C445 C446 C448 C451 C454 C455 C456 C457 C458 C460 C461 C464 C465 C470 C471 C500 C501 C509 C510 C511 C512 C513 C514 C515 C516 C520 C533 2J410 2L033 2J410 2D222 2D222 2D168 2D168 2L033 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2L133 2L133 2P610 2P610 2P610 2P610 2P610 2P610 2P610 2J410 2J410 2L033 2J410 2D222 2D222 2D168 2D168 2L033 2J410 2J410 2J410 2J410 2D222 2D222 2D168 2D168 2J410 2J410 2J410 2J410 2J410 2J410 2L133 2L133 2P610 2P610 2P610 2P610 2P610 2P610 2P610 2J410 2J410 2J410
Description
Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N
L896 Digital Board Parts List Issue 1.6
Designator Part
C536 C538 C540 C541 C542 C543 C545 C546 C548 C554 C555 C556 C557 C558 C560 C561 C564 C565 C570 C571 C600 C601 C609 C610 C611 C612 C613 C614 C615 C619 C633 C636 C638 C640 C641 C642 C643 C645 C646 C648 C651 C654 C655 C656 C657 C658 C660 C661 C664 C665 C670 C671 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 2L033 2J410 2D222 2D222 2D168 2D168 2L033 2J410 2J410 2J410 2D222 2D222 2D168 2D168 2J410 2J410 2J410 2J410 2J410 2J410 2L133 2L133 2P610 2P610 2P610 2P610 2P610 2P610 2P610 2J410 2J410 2L033 2J410 2D222 2D222 2D168 2D168 2L033 2J410 2J410 2J410 2J410 2D222 2D222 2D168 2D168 2J410 2J410 2J410 2J410 2J410 2J410 2N522 2L122 2J310 2N522 2L122 2J310 2J410 2N510 2J410 2N510
Description
Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor SM 0805 NPO Ceramic 5% 100V 330P Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor Radial Electrolytic ELNA ROD 10UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 NPO Ceramic 5% 100V 33P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 2N2 Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor Boxed Polyprop 5mm Pitch 63V 5% 680P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 2U2 50V Capacitor SM 0805 NPO Ceramic 5% 100V 220P Capacitor SM 0805 X7R Ceramic 10% 50V 10N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 2U2 50V Capacitor SM 0805 NPO Ceramic 5% 100V 220P Capacitor SM 0805 X7R Ceramic 10% 50V 10N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V
L896 Digital Board Parts List Issue 1.6
Designator Part
C712 C714 C716 C717 C718 C719 C720 C721 C724 C725 C726 C727 C728 C729 C734 C735 C736 C738 C740 C742 C743 C744 C800 C801 C802 C803 C804 C805 C806 C809 C810 C811 C812 C813 C814 C815 C816 C817 C818 C819 C820 C821 C822 C823 C824 C826 C827 C900 C901 C902 C903 C904 C905 C906 C907 C908 C909 C910 C911 C912 C913 C914 2J410 2N647 2J410 2N510 2N647 2J410 2J410 2J410 2N510 2N510 2J410 2N510 2J410 2N647 2J410 2N510 2N647 2J410 2J410 2J410 2J410 2J410 2J410 2J410 2N610 2L022 2J310 2L047 2L047 2N610 2L022 2L022 2L022 2L022 2L022 2L022 2L022 2L022 2J410 2J210 2J410 2JA247 2J410 2J410 2J310 2J210 2J410 2J410 2L022 2L022 2J210 2J410 2J410 2J410 2J410 2J410 2W110X4 2W110X4 2W110X4 2W110X4 2W110X4 2W110X4
Description
Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 47UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 47UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 47UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 1UF 50V Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 47UF 35V Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 10UF 50V Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 X7R Ceramic 10% 50V 10N Capacitor SM 0805 NPO Ceramic 5% 100V 47P Capacitor SM 0805 NPO Ceramic 5% 100V 47P Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 10UF 50V Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 100V 4N7 Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 10N Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 NPO Ceramic 5% 100V 22P Capacitor SM 0805 X7R Ceramic 10% 50V 1N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor SM 0805 X7R Ceramic 10% 50V 100N Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V Capacitor Network SM 0612 NP0 100P X 4 50V
L896 Digital Board Parts List Issue 1.6
Designator Part
C915 C916 C917 C918 C919 C920 C921 C922 C923 C924 C925 C926 C927 C928 C929 C930 C931 C932 C933 C934 C935 C936 C937 C938 C939 C940 C941 C942 C1000 C1001 C1002 C1003 C1004 C1005 C1006 C1007 C1008 C1009 C1010 C1011 C1012 C1013 C1014 C1015 C1016 C1017 C1018 C1019 C1020 C10