Text preview for : XRMD 510-511_Supp.pdf part of Aiwa XR-MD510 XR-MD511 (Supplement) SUPPLEMENT - Tape mech. 2ZM-1 YR9NF - CD mech. 3ZG-3 YE3NC - MD mech. AZG-4A - Type D,K,EZ - pag. 26
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XR-MD510 D,K
XR-MD511 EZ
SERVICE MANUAL
MD / CD BASIC TAPE MECHANISM : 2ZM-1 YR9NF
BASIC CD MECHANISM : 3ZG-3 YE3NC
STEREO SYSTEM
BASIC MD MECHANISM : AZG-4A
MODEL CODE : 8ACJ4-0130 (S)
8ACJ4-0133 (SM)
SYSTEM SPEAKER
XRMD510/511 SX-M510
·
· This Service Manual contains the additional information "DISASSEMBLY INSTRUCTION"
and "TEST MODE" for the model XR-MD510/511(K/EZ).
If requiring the other information, see Service Manual of XR-MD510(D,K) / 511(EZ),
(S/M Code No. 09-004-422-8R1).
NT
ME
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PP DAT
S/M Code No. 09-004-422-8S1 SU
DISASSEMBLY INSTRUCTION
1 2
1 2
R L
1 2
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1 2 3
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1 2
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1 2
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1 2
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SERVICE JIG AND TOOLS
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2
3
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DISASSEMBLY INSTRUCTION
1. Removing the outside appearance parts
1) Remove the six screws (1-4, 2-2) and remove the PANEL SIDE R.
2) Remove the six screws (1-4, 2-2) and remove the PANEL SIDE L.
R L
3) Remove the three screw 1 and lift up the PANEL, TOP ASSY 2.
4) Remove the two connectors and remove the PANEL, TOP ASSY.
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5) Remove the 11 screws and remove the CABI, REAR.
6) This is the state after the outside appearance parts are removed.
2. Removing the PWB, CD ACJ-4
1) Remove the five screws, pull out the FFC and other parts, then remove the
PWB, CD ACJ-4.
3. Removing the PWB, MAIN ASSY
1) Remove the screw 1, then remove the connector 2 and the FFC 3 of the
MD block.
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2) Remove the screw 1 and remove the PWB, MAIN ASSY 2 in the direction of the arrow. (The board is hooked.
While lifting up the HOOK, remove the board.)
4. Removing the FRONT block
1) Remove the screw 1 securing the CAB, FR ASSY and remove the screw 2 securing the CHAS, MD.
2) Remove the screw 1 securing the CAB, FR ASSY and remove the screw 2 securing the CHAS, MD.
3) Remove the two screws 1 and remove the CABI, FR ASSY in the direction of arrow 2.
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4) This is the state after the PWB, MAIN ASSY and CABI, FRONT ASSY are
removed.
5. Removing the MD block (AZG-4)
1) Remove the four screws and remove the MD block.
6. Removing the CD block (3ZG-3)
1) Remove the four screws 1 and remove the CD block 2.
2) This is the state after the CD block is removed.
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SERVICE JIG AND TOOLS
Using the FFC for extension enables the CD/MD mechanism to be repaired when the power supply is turned on. (Refer to the
below figure.)
1 FFC, 8P-1.25 88-908-401-110
2 FFC, 8P-1.0 SV-J00-043-010
3 FFC, 14P-1.0 SV-J00-044-010
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1
2
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Notes during re-assembling
When assemble the magical change panel, adjust the phase of the gear.
1. Phase adjustment of the GEAR, OPE 1 and GEAR, WORM WHEEL.
1) Align holes 1.
2) Then, move the position of the holes of each gear as shown by 2 in the illustration.
2. Installation Procedure of HLDR, GEAR ASSY
1) Position the panel side so that it faces front as shown in the illustration.
2) Install the HLDR, GEAR ASSY.
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CD TEST MODE
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CD TEST MODE
1. Starting Up the CD Test Mode
While pressing the "CD" button, connect the AC plug to the power outlet. When the CD test mode starts up, all
displays turn on.
2. How to Release the CD Test Mode
To release the CD test mode, press the "POWER" button or the function buttons other than the "CD" button, or
disconnect the AC plug from the power outlet.
3. Function Description of the Test Mode
Indication on
MODE Operation Function and movement Check item
display
Start mode CD key + AC All indicators light · CD TEST mode starts · Check all indicators light
plug IN · All indicators light · Microprocessor
Focus search mode STOP key CD · LD lights · DATA BUS LINE
· Continuous focus search · APC circuit
· Continuous spindle motor · LASER current
kick · Check the focus search
waveform
· Check the focus error
waveform
· Focus servo circuit
· DRF output
· Spindle servo line
Play mode PLAY key Track No. and · Normal playback · Same checks as shown in the
playing time · When TOC reading is not above column
(spectrum analyzer) possible, the focus search · Each servo circuit
continues
Traverse mode PAUSE key Track No. and · Tracking servo is turned off · Check the tracking error
playing time waveform
· Tracking circuit
Sled mode F.SKIP key CD TEST · The pickup moves to the · Sled circuit
B.SKIP key innermost track · Mechanism (gear and motor)
· The pickup moves to the
outermost track
Note: If the focus search operation is continued for 10 minutes or longer, the driver IC heats up sufficiently to trigger the
protection circuit, which stops the CD system. Turn off the main power and re-start operation about 10 minutes
later.
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MD TEST MODE
LASER 1/2
LASER READ LASER WRITE
ALL SV OFF
TM
TM
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1
2
3
4
5
3 REC PROTECT SW
4 REFLECT SW
1 LASER POWER
5 INSIDE LIMIT SW
2 DISC TYPE
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**
**
**
**
**
** //
**
//
IVR EFB
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** 33
**
33
FOCUS GAIN TRACKING GAIN SLED GAIN
** //
**
//
IVR EFB
** 33
**
33
FOCUS GAIN TRACKING GAIN SLED GAIN
**** ****
**** ****
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MD TEST MODE
1. Starting up the MD Test Mode
While pressing the MD function button, insert the AC plug into the outlet.
Notes: 1) Mechanical abnormalities are ignored while the test mode is starting up.
If any abnormality occurs, disconnect the plug immediately.
2) During test mode operation, playback and recording are normally not possible.
2. Checking the MD Test Mode
Indication
About five seconds later after the test mode starts, characters as shown in the below figure appear on the screen and the test mode
becomes usable.
3. Cancelling the MD Test Mode
1) Press the MD EJECT button to eject the disk.
2) Disconnect the AC plug.
* If the MD test mode is canceled by procedures other than the above, the unit sometimes run incorrectly.
If this happens, disconnect the AC plug.
4. Switching to the Servo Standby Mode
After starting up the test mode, press the STOP key to switch to the servo standby mode. (Indication: ALL SV OFF)
Change from this mode to each mode.
When the STOP key is pressed in each mode, the display returns to "ALL SV OFF".
5. Notes during Test Mode Operation
If the test mode starts up, the touch sensor of the operation panel does not run.
Operate in the following ways.
1) Use the remote controller.
2) Rotate the pulley that is visible from the hole of the CD board by hand to rotate the operation panel.
6. Checking the Sled Feed Operation
1) Press the F.SKIP button in the "ALL SV OFF" state to move the lens and pickup to the outer circumference. Then "T.SLED
FWD" is displayed.
2) Press the B.SKIP button in the "ALL SV OFF" state to move the lens and pickup to the inner circumference. Then "T.SLED
RVS" is displayed. Set the INSIDE LIMIT switch to ON to light the frame of graphic equalizer "JAZZ" of the display.
7. Checking the Laser Power
1) Every time the MD EDIT button is pressed in the "ALL SV OFF" state, the display is switched as shown below.
2) After checking, press the STOP button to return the display to "ALL SV OFF".
LASER 1/2
LASER READ LASER WRITE
ALL SV OFF
8. Checking the Loading Mechanism and OWH
to check the operations of the loading mechanism and OWH, follow the procedure given below.
Every time the CD TM MD REC button or MD EJECT button is pressed in the "ALL SV OFF" state, the OWH moves up or down.
CD TM MD REC button ..... OWH DOWN
MD EJECT ........................ OWH UP/Unloading
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9. About Indication
The state of circuit, selected disk or switch can be checked on the display.
Function Indication pict indication When pict lights When pict glights off
1 Laser power LA READ-1/2-WRITET T-BASS Displayed using the three-step level meter
2 Disk type SELECT GRV TIME MARK MO disk (for recording and playback)
SELECT PIT AUTO MARK PIT disk (for playback)
3 REC PROTECT SW -- ROCK frame REC is possible. REC protection
4 REFLECT SW -- POP frame PIT disk MO disc
5 INSIDE LIMIT SW -- JAZZ frame Switch ON (innermost circumference) Switch OFF
3 REC PROTECT SW
4 REFLECT SW
1 LASER POWER
5 INSIDE LIMIT SW
2 DISC TYPE
10. Checking the Servo Operation
10-1. Checking the Focus Search and Spindle Kick 1 (checking the S-curve)
1) When the RANDOM/REPEAT button of the remote controller is pressed in the "ALL SV OFF" state, the focus search operation
and spindle kick are performed at the same time. Then "FOCUS CHECK" is displayed.
These operations are repeated regardless of whether a disk is installed. Therefore, the S-curve can be checked with the disk
installed.
2) After checking, press the STOP button to return the display to "ALL SV OFF".
10-2. Checking the Focus Search and Spindle Kick 2
1) When the PLAY button is pressed in the "ALL SV OFF" state without any disk, the search operation and spindle kick are
performed at the same time. Then "FOCUS SRCH" is displayed.
2) After checking, press the STOP button to return the display to "ALL SV OFF".
10-3. Checking the Focus Servo
1) Insert a disk.
2) Press the MD MODE button and set the servo mode according to the inserted disk as shown below.
· MO disk: " SELECT GRV" appears and "TIMEMARK" lights.
· PIT disk: " SELECT PIT" appears and "AUTOMARK" lights.
3) Press the PLAY button.
If the focus servo is normal, " FOCUS SRCH" appears and "FOCUS ON!" appears.
4) After checking, press the STOP button to return the display to "ALL SV OFF".
10-4. Checking the All Servo ON
1) When the ENTER button is pressed during focus servo off, the tracking sled servo is turned on and all servos run.
If the servos are all normal, "ALL SV ON" is displayed.
2) After checking, press the STOP button to return the display to "ALL SV OFF".
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ELECTRICAL ADJUSTMENT
All the MD blocks are adjusted and checked in the test mode.
If "No Adjust" is displayed, perform the adjustments of 1 to 3.
1. Temperature Compensation Adjustment
* Normally, do not perform the temperature compensation adjustment.
If the adjustment value is extensively different, perform the adjustment as given below in a suitable environment for measuring
the correct temperature near the unit.
· Test point: Check the test point on the display.
· Tool: Thermometer
1) After the MD test mode starts up, press the STOP button to display "ALL SV OFF".
2) Press the DISPLAY button to display "TEMP = $**".
3) Press the PAUSE button to display "T + **C: + 00".
4) Put the thermometer near the MD mechanism to measure the room temperature.
5) Check the value of the thermometer and press the B.SKIP button and F.SKIP button to adjust until the value is the same as ** on
the display. Then press the ENTER button to store the value.
6) After adjustment, press the STOP button to return the display to "ALL SV OFF".
If "No Adjust" appears, perform 1) to 3) and press the ENTER button without changing the adjustment value with the B/F.SKIP
buttons.
2. Laser Power Adjustment
· Test point: Check the test point on the display./Pickup laser output
· Tool: Laser power meter (meters that can measure up to 10 mW)
2-1. Playback Laser Power Adjustment
1) Press the MD EDIT button in the "ALL SV OFF" state to change the display to "LASER READ".
2) Press the PAUSE button once to display "LASER = $**".
3) Set it to "LASER = $11" using the B.SKIP and F.SKIP buttons, and press the ENTER button.
4) Measure the pickup laser output using the laser power meter and adjust it using the B.SKIP button and F.SKIP button so that it is
around 0.68 mW.
5) After adjustment, press the STOP button to change the display to "ALL SV OFF".
2-2. Recording Laser Power Adjustment
1) Press the MD EDIT button three times in the "ALL SV OFF" state to change the display to "LASER WRITE".
2) Press the PAUSE button once to display "LASER = $**".
3) Set it to "LASER = $9F" using the B.SKIP and F.SKIP buttons, and press the ENTER button.
4) Measure the pickup laser output using the laser power meter and adjust it so that it is around 0.68 mW.
5) After adjustment, press the STOP button to change the display to "ALL SV OFF".
Note: If the laser output exceeds 7.0 mW, the pickup may be damaged.
3. Automatic Sequence Adjustment (EFB/IVR/FOCUS AGC/TRACKING AGC adjustment)
· Test point: Check the test point on the display.
· Test disk: MDW-74, TGYS-1 or equivalent
3-1. Adjusting the MO Disk
1) Load the MDW-74.
2) Press the MD MODE button to display "SELECT GRV".
3) Press the MD function button to display "AUTO ADJ". After adjustment, "DONE" is displayed. (If the adjustment failed,
"FAILED" appears.)
4) Then, press the STOP button to return the display to "ALL SV OFF".
3-2. IVR, EFB, Focus/ Tracking/ Sled Gain Check of MO Disk
1) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
2) Press the PLAY button to display "FOCUS ON!".
3) Press the ENTER button to display "ALL SV ON".
4) Press the STOP button and press the DISPLAY button twice.
Confirm that the values of "IV$**:EF$//" are within the range shown below. (hexadecimal)
IV$ "**" .......... 03 to 07
EF$ "//" ....... 09 to 12
IVR EFB
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5) Press the DISPLAY once again.
Confirm that the values of "Gf**t##s33" are within the range shown below. (hexadecimal)
f "**" ...................... 20 to 40
t "##" ...................... 15 to 35
s "33" .................... 15 to 35
FOCUS GAIN TRACKING GAIN SLED GAIN
6) After adjustment, press the STOP button to return the display to "ALL SV OFF".
3-3. Adjusting the PIT Disk
1) Load the TGYS-1.
2) Press the MD MODE button to display "SELECT PIT".
3) Press the MD function button to display "AUTO ADJ". After adjustment, "DONE" is displayed. (If the adjustment failed,
"FAILED" appears.)
4) Then, press the STOP button to return the display to "ALL SV OFF".
3-4. IVR, EFB, Focus/ Tracking/ Sled Gain Check of PIT Disk
1) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
2) Press the PLAY button to display "FOCUS ON!".
3) Press the ENTER button to display "ALL SV ON".
4) Press the STOP button and press the DISPLAY button twice.
Confirm that the values of "IV$**:EF$//" are within the range shown below. (hexadecimal)
IV$ "**" ................. 13 to 19
EF$ "//" .............. 09 to 12
5) Press the DISPLAY once again. IVR EFB
Confirm that the values of "Gf**t##s33" are within the range shown below. (hexadecimal)
f "**" ...................... 2A to 45
t "##" ...................... 15 to 40
s "33" .................... 15 to 40
FOCUS GAIN TRACKING GAIN SLED GAIN
6) After adjustment, press the STOP button to return the display to "ALL SV OFF".
4. Playback Error Rate Check (PIT disk)
· Test point: Check the test point on the display.
· Test disk: TSYS-1 or equivalent
1) Load the TGYS-1.
2) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
3) Press the MD MODE button to display "SELECT PIT".
4) Press the PLAY button to display "FOCUS ON!".
5) Press the ENTER button to display "ALL SV ON".
6) Press the DISPLAY button once to confirm that the address indication is stable and count starts.
7) Press the DISPLAY button once again to display the playback error rate.
Confirm that the numbers of "Er****:***** " (underlined portion) is "Er0030"or lower.
8) After checking, press the STOP button to return the display to "ALL SV OFF".
5. Record/Playback Error Rate Check (MO disk)
· Test point: Check the test point on the display.
· Test disk: MDW-74
1) Load the MDW-74.
2) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
3) Press the CD function button. Recording starts automatically in cluster 600.
4) After recording for about 15 seconds, press the STOP button.
5) Press the AUX/D-IN function button to move the pickup to around 600 cluster and enter the "ALL SV ON" state (the display is in
the sate of the address indication), and press the DISPLAY button in or after cluster 600.
Then confirm that the values of "Er****:****" (underlined portion) is "Er0030" or lower.
6) After adjustment, press the STOP button to return the display to "ALL SV OFF".
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6. UTCO (User TOC) Deleting Procedure
If "UTCO ERROR" or other message is displayed when inserting recorded disk and the UTCO needs to be deleted, follow
this procedure.
1) Insert the disk whose UTOC is to be deleted.
2) Use the B.SKIP button and F.SKIP button to move the pickup to the center of the disk.
3) Press the MD MODE button to display "SELECT GRV".
4) Press the MD REC button to display "REC Analog"
5) Press the PLAY button to display "FOCUS ON!".
6) Press the ENTER button to display "ALL SV ON".
7) Press the TAPE REC/REC MUTE button to display "UTOC ERASE".
8) After deleting the UTOC, the display automatically returns to "ALL SV OFF".
7. Initializing Procedure of EEP-ROM
Follow the procedure given below to set the adjustment value of EEP-ROM to the default value (reference value).
1) While pressing the CD OPEN/CLOSE button, press the MD EDIT button of the unit.
2) After turning on the power again, confirm that "NO Adjust" is displayed.
* Even in the "NO Adjust" state, the MD can be operated.
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211, IKENOHATA 1CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111
9301978 0251431 Printed in Singapore