Text preview for : Philips-HTS3410D dvd rec.pdf part of Philips HTS3410D dvd receiver (ht audio)
Back to : Philips-HTS3410D dvd rec. | Home
DVD Receiver HTS3410D/37
Service
Service
Service
Service Manual
TABLE OF CONTENTS
Page
Location of PC Boards ................................................ 1-2
Versions Variation ...................................................... 1-2
Specifications .............................................................. 1-3
Measurement Setup ................................................... 1-4
Service Aids ................................................................ 1-5
ESD & Safety Instruction ............................................ 1-6
Information about lead-free soldering ......................... 1-7
Setting Procedure & Repair Instructions ....................... 2
Disassembly Instructions & Service positions .............. 3
Block & Wiring Diagram ................................................ 4
Control / Power Switch / Volume Board ........................ 5
Tuner Board ................................................................... 6
DVD loader .................................................................... 7
Main Board .................................................................... 8
Power Board .................................................................. 9
Exploded View ............................................................. 10
CLASS 1
©
Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands LASER PRODUCT
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
GB 3139 785 31280
Published by KC-ET0409 Service Audio Printed in The Netherlands Subject to modification.
Version 1.0
1-2
LOCATION OF PC BOARDS
VO
L
PC .
B
VERSION VARIATION:
Type /Versions: HTS3410D
Features &
Board in used: / 37
RDS
Rotary Encoder (volume control) x
Aux Input x
Digital Output x
Line Output x
Progressive scan x
Power supply (120V) x
1-3
SPECIFICATIONS
AMPLIFIER SECTION MAIN UNIT
Total output power Power Supply Rating .................................... 120 V / 60 Hz
- Home Theater Mode................................................ 700W Power Consumption .................................................. 160W
- FTC ..........................................................................330W Dimensions (w × h × d) ...................... 435× 53 × 365 (mm)
- Front & Rear ...................................................... 5 0W 1 x2 Weight .................................................................... 4.25 kg
- Center .................................................................... 5 0 W1
- Subwoofer ............................................................. 80 W 2 SPEAKERS
Frequency Response .................. 180 Hz - 16 kHz / ±3 dB Front/Rear speakers
Signal-to-Noise Ratio ............................ > 60 dB (A-weight) System ...................................................................... 2-way
Input Sensitivity Impedance .................................................................... 3
AUX/TV In ............................................................... 5 00 mV Speaker drivers ........................... 3" full-range woofer, 1"
1 3 ohm, 140 Hz - 20 kHz, 1% THD conical dome tweeter
2 3 ohm, 40 Hz - 2 kHz, 1% THD
Frequency response ................................ 140 Hz 20 kHz
TUNER SECTION Dimensions (w × h × d) ....................... 93 × 169 × 65 (mm)
Tuning Range ................................... FM 87.5 108 MHz Weight ........................................... 0.73 kg (Front speaker)
.................................... M 530 1710 kHz (10 kHz steps)
A 0.77 kg (Rear speaker)
26 dB Quieting Sensitivity ................................. FM 22 dBf
26 dB Quieting Sensitivity .......................... AM 5000 µV/m CENTER SPEAKERS
Image Rejection Radio ....................................... FM 25 dB System ................................ 2-way, maganetically sheided
............................................................................ AM 28 dB Impedance .................................................................... 3
IF Rejection Ratio ............................................... FM 60 dB speaker drivers ............................ 2 x 3" full-range woofer,
............................................................................ AM 24 dB 1" conical dome tweeter
Signal-to-Noise Ratio .......................................... FM 55 dB Frequency response ................................ 140 Hz 20 kHz
............................................................................ AM 40 dB Dimensions (w × h × d) ....................... 245 × 93 × 70 (mm)
AM Suppression Ratio ........................................ FM 30 dB Weight ..................................................................... 1.37 kg
Harmonic Distortion ...................................... FM Mono 3 %
.................................................................... FM Stereo 3 % PASSIVE SUBWOOFER
............................................................................... AM 5 % Impedance .................................................................... 3
Frequency Response ............ FM180 Hz 10 kHz / ±6 dB speaker drivers ............................................. 6 1/2" woofer
Stereo Separation ................................... FM 26 dB (1 kHz) Frequency response ................................ 40 Hz 2kHz
Stereo Threshold ............................................. FM 23.5 dB Dimensions (w × h × d) ................... 156 × 360 × 350 (mm)
Weight ....................................................................... 4.3 kg
DISC SECTION
Laser Type .................................................. Semiconductor
Disc Diameter .................................................. 12cm / 8cm
Video Decoding ................................... MPEG-2 / MPEG-1
Video DAC ............................................................... 10 Bits
Signal System .................................................. PAL / NTSC
Video Format ....................................................... 4:3 / 16:9
Video S/N ................................................ 56 dB (minimum)
Composite Video Output ............................ 1.0 Vp-p, 75
S-Video Output ...................................... Y - 1.0 Vp-p, 75
.......................................................... C - 0.286 Vp-p, 75
Audio DAC ................................................. 24 Bits / 96 kHz
Frequency Response .................. 4 Hz - 20 kHz (44.1kHz)
........................................................ 4 Hz - 22 kHz (48kHz)
....................................................... 4 Hz - 44 KHz (96KHz)
Digital Output ......................................................................
................... SPDIF (Sony Philips digital interface) Coaxial
- PCM ................................................................. IEC 60958
- Dolby Digital ................................. IEC 60958, IEC 61937
1-4
MEASUREMENT SETUP
Tuner FM
Bandpass
DUT 250Hz-15kHz LF Voltmeter
e.g. 7122 707 48001 e.g. PM2534
RF Generator
e.g. PM5326
Ri=50
S/N and distortion meter
e.g. Sound Technology ST1700B
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Tuner AM (MW,LW)
Bandpass
250Hz-15kHz LF Voltmeter
DUT e.g. 7122 707 48001 e.g. PM2534
RF Generator
e.g. PM5326
S/N and distortion meter
e.g. Sound Technology ST1700B
Ri=50
Frame aerial
e.g. 7122 707 89001
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).
CD Recorder
Use Audio Signal Disc SBC429 4822 397 30184 Use Universal Test Cassette CrO2 SBC419 4822 397 30069
(replaces test disc 3) or Universal Test Cassette Fe SBC420 4822 397 30071
DUT
DUT LF Generator L
L e.g. PM5110
R
R
S/N and distortion meter
S/N and distortion meter e.g. Sound Technology ST1700B
e.g. Sound Technology ST1700B
LEVEL METER
LEVEL METER e.g. Sennheiser UPM550
e.g. Sennheiser UPM550 with FF-filter
with FF-filter
1-5
SERVICE AIDS
Service Tools:
Universal Torx driver holder .................................4822 395 91019
Torx bit T10 150mm ...........................................4822 395 50456
Torx driver set T6-T20 .........................................4822 395 50145
Torx driver T10 extended .....................................4822 395 50423
Compact Disc:
SBC426/426A Test disc 5 + 5A ...........................4822 397 30096
SBC442 Audio Burn-in test disc 1kHz .................4822 397 30155
SBC429 Audio Signals disc .................................4822 397 30184
Dolby Pro-logic Test Disc ....................................4822 395 10216
HANDLING CHIP COMPONENTS
1-6
ESD NL WAARSCHUWING
GB WARNING
All ICs and many other semi-conductors are Alle IC's en vele andere halfgeleiders zijn
susceptible to electrostatic discharges (ESD). gevoelig voor electrostatische ontladingen
Careless handling during repair can reduce life (ESD).
drastically. Onzorgvuldig behandelen tijdens reparatie kan
When repairing, make sure that you are de levensduur drastisch doen verminderen.
connected with the same potential as the mass Zorg ervoor dat u tijdens reparatie via een
of the set via a wrist wrap with resistance. polsband met weerstand verbonden bent met
Keep components and tools also at this hetzelfde potentiaal als de massa van het
potential. apparaat.
Houd componenten en hulpmiddelen ook op
ditzelfde potentiaal.
F ATTENTION
D WARNUNG I AVVERTIMENTO
Tous les IC et beaucoup d'autres
semi-conducteurs sont sensibles aux Alle ICs und viele andere Halbleiter sind
décharges statiques (ESD). Tutti IC e parecchi semi-conduttori sono
empfindlich gegenüber elektrostatischen sensibili alle scariche statiche (ESD).
Leur longévité pourrait être considérablement Entladungen (ESD).
écourtée par le fait qu'aucune précaution n'est La loro longevità potrebbe essere fortemente
Unsorgfältige Behandlung im Reparaturfall kan ridatta in caso di non osservazione della più
prise à leur manipulation. die Lebensdauer drastisch reduzieren.
Lors de réparations, s'assurer de bien être relié grande cauzione alla loro manipolazione.
Veranlassen Sie, dass Sie im Reparaturfall über Durante le riparazioni occorre quindi essere
au même potentiel que la masse de l'appareil et ein Pulsarmband mit Widerstand verbunden
enfiler le bracelet serti d'une résistance de collegato allo stesso potenziale che quello della
sind mit dem gleichen Potential wie die Masse massa dell'apparecchio tramite un braccialetto
sécurité. des Gerätes.
Veiller à ce que les composants ainsi que les a resistenza.
Bauteile und Hilfsmittel auch auf dieses gleiche Assicurarsi che i componenti e anche gli utensili
outils que l'on utilise soient également à ce Potential halten.
potentiel. con quali si lavora siano anche a questo
potenziale.
GB ESD PROTECTION EQUIPMENT
Complete Kit ESD3 (small tablemat, wristband,
connection box, estention cable and earth cable ....... 4822 310 10671
Wristband tester ................................................................. 4822 344 13999
GB
Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified,
be used.
Safety components are marked by the symbol ! .
CLASS 1
LASER PRODUCT
NL 3122 110 03420
Veiligheidsbepalingen vereisen, dat het apparaat bij reparatie in
zijn oorspronkelijke toestand wordt teruggebracht en dat onderdelen,
identiek aan de gespecificeerde, worden toegepast.
De Veiligheidsonderdelen zijn aangeduid met het symbol ! .
F GB Warning !
Les normes de sécurité exigent que l'appareil soit remis à l'état Invisible laser radiation when open.
d'origine et que soient utiliséés les piéces de rechange identiques Avoid direct exposure to beam.
à celles spécifiées.
Less composants de sécurité sont marqués ! .
S Varning !
Osynlig laserstrålning när apparaten är öppnad och spärren
D är urkopplad. Betrakta ej strålen.
Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu
beachten. Der Original zustand des Geräts darf nicht verändert werden;
für Reparaturen sind Original-Ersatzteile zu verwenden.
SF Varoitus !
Sicherheitsbauteile sind durch das Symbol ! markiert.
Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina
näkymättömälle laserisäteilylle. Älä katso säteeseen!
I
Le norme di sicurezza esigono che l'apparecchio venga rimesso
nelle condizioni originali e che siano utilizzati i pezzi di ricambio
DK Advarse !
identici a quelli specificati.
Componenty di sicurezza sono marcati con ! . Usynlig laserstråling ved åbning når sikkerhedsafbrydere er
ude af funktion. Undgå udsaettelse for stråling.
GB
F
After servicing and before returning set to customer perform a leakage
current measurement test from all exposed metal parts to earth ground "Pour votre sécurité, ces documents doivent être utilisés par
to assure no shock hazard exist, The leakage current must not des spécialistes agréés, seuls habilités à réparer votre
exceed 0.5mA. appareil en panne".
1-7
Pb(Lead) Free Solder dependent of MSL-level seen on indicator-label in the
bag, the BGA-IC possibly still has to be baked dry.
When soldering , be sure to use the pb free solder. (MSL=Moisture Sensitivity Level). This will be
communicated via AYS-website.
INDENTIFICATION: Do not re-use BGAs at all.
Regardless of special logo (not always indicated) · For sets produced before 1.1.2005 (except products
of 2004), containing leaded solder-alloy and
one must treat all sets from 1 Jan 2005 onwards, according components, all needed spare-parts will be available
next rules: till the end of the service-period. For repair of such
sets nothing changes.
Important note: In fact also products of year 2004 must · On our website www.atyourservice.ce.Philips.com
be treated in this way as long as you avoid mixing solder- you find more information to:
alloys (leaded/ lead-free). So best to always use SAC305
and the higher temperatures belong to this. · BGA-de-/soldering (+ baking instructions)
· Heating-profiles of BGAs and other ICs used in
Due to lead-free technology some rules have to be Philips-sets
respected by the workshop during a repair:
You will find this and more technical information
· Use only lead-free solder alloy Philips SAC305 with
within the "magazine", chapter "workshop news".
order code 0622 149 00106. If lead-free solder-paste
is required, please contact the manufacturer of your
For additional questions please contact your local
solder-equipment. In general use of solder-paste
repair-helpdesk.
within workshops should be avoided because paste is
not easy to store and to handle.
· Use only adequate solder tools applicable for lead-
free solder alloy. The solder tool must be able
To reach at least a solder-temperature of 400°C,
To stabilize the adjusted temperature at the solder-
tip
To exchange solder-tips for different applications.
· Adjust your solder tool so that a temperature around
360°C 380°C is reached and stabilized at the solder
joint. Heating-time of the solder-joint should not exceed
~ 4 sec. Avoid temperatures above 400°C otherwise
wear-out of tips will rise drastically and flux-fluid will
be destroyed. To avoid wear-out of tips switch off un-
used equipment, or reduce heat.
· Mix of lead-free solder alloy / parts with leaded solder
alloy / parts is possible but PHILIPS recommends
strongly to avoid mixed solder alloy types (leaded and
lead-free).
If one cannot avoid or does not know whether product
is lead-free, clean carefully the solder-joint from old
solder alloy and re-solder with new solder alloy
(SAC305).
· Use only original spare-parts listed in the Service-
Manuals. Not listed standard-material (commodities)
has to be purchased at external companies.
· Special information for BGA-ICs:
Always use the 12nc-recognizable soldering
temperature profile of the specific BGA (for de-
soldering always use the lead-free temperature profile,
in case of doubt)
Lead free BGA-ICs will be delivered in so-called `dry-
packaging' (sealed pack including a silica gel pack) to
protect the IC against moisture. After opening,
2-1 2-1
System, Region code, Tuner, etc. setting procedure 3) Region code change timer reset 5. Video Out Change
Hence in total, reprograming will be done by way of the Press below key to reset the timer : a) Press "SYSTEM" on R/C button
1) System Reset
remote control. It should run as below :- a) In DISC source, stop mode and no disc in tray. b) Select the menu using the " " and " " button on R/C
a) Press "SYSTEM" button on R/C. TV show "SETUP"
b) Select the menu using the " " and " " button on R/C b) Press R/C "Play -159-PLAY" to reset timer to 25 c) Go picture setup page select Video out item.
c) Go feature setup page to do system reset a) Put the player in stop mode. No disc loaded.
b) Press the following key on remote control: 4) Tuner area change
6. Password Change
2) Region Code Change a) Press the "OPEN/CLOSE" button to open the set's door
a) Press "SYSTEM" on R/C button
For HTS3400 /37 (US) : b) Press "1" "5" "9" button by using R/C.
After replacement / repair of the MPEG board, the customer b) Select the menu using the " " and " " button on R/C
<159> <111> <010> <08> c) TV Show "TUNER AREA"
setting and the region code may lost. Changing the Region c) Go feature setup page select "PASSWORD". TV show
d) Select the tuner area you want by using the " " and
code will put the player back in the state which it has left the "ENTER CODE".Press 4 times of "STOP" button on R/C.
" " button on R/C, then press "OK" to confirm. TV show
factory. d) Select "PARENTAL" "8 ADULT" on TV.
After the Region Code is changed it is necessary to reset " TUNER AREA CHANGED"
e) Enter PASSWORD to "1234".
the system so that the new Region Code will be fully If you didn't press it in five seconds, the system will remain
Region Code
original status.
"1234" is a default password supplied.
1 USA effective. All customer setting will be lost.
2 EU
3 AP On top of the maximum number of times allowed for 7. Checking on the Software version
AREA BAND FREQUENCY (Hz) STEP(Hz)
4 Australia, NZ, Latam changing the region code is changed to 25.
a) Open the CD door.
5 RUSSIA, INDIA FM 87.5M 108M 50K
b) Press "123" and "OK" on the remote control.
6 CHINA When the counter reach 25, you will not be able to further USA (37)
531K 1602K 9K c) TV will show the version on screen.
change the code until you reset the timer by the Region AM
530K 1710K 10K
TV System Code timer reset procedure
1 NTSC 8. Upgrading new software
2 PAL a) Open the door, then insert the CD-R program disc.
3 AUTO b) Close the door.
c) TV will show:-
Menu/ Audio Subtitle (AS) Language Note :- ."disc loading"
1 English CAUTION ! Please refer to the above different tuner area.
."bank30.rom"
2 English ."writing" about 6 seconds.
3 English This information is confidencial and may not ."Done"
4 English be distributed. Only a qualified service
person should reprogram the Region Code.
AFS
001 LX3000D/LX3500D /MRD200
002 MX3600D/MX3800
003 LX3700D/LX3750W
005 MRD210
006 MX3660D
008 FW-D550
010 MRD120/MX6050/HTS3400
oem derivative
08
.region code = 1 digit
.tv system = 1 digit
."as/menu lang" = 1 digit
."AFS" = "architechture Feature Set" = 3 digits
This field is used to define the architecture / features sets for
each product.
."oem derivative" = 2 digit
This field is use to define the OEM set. This will affect the
background display.
2-2 2-2
REPAIR INSTRUCTIONS (1 of 2)
2-3 2-3
REPAIR INSTRUCTIONS (2 of 2)
3-1 3-1
DISASSEMBLY INSTRUCTIONS Dismantling of the DVD Module
Dismantling of the Front Panel Assembly 1) Loosen 4 screws "A" to remove the DVD Module as shown in figure 4.
1) Open the DVD Tray by using the Open/Close Button 2) Return the set to its upright position and remove the Tray
while the Set is ON and disconnect the mains supply after Cover as shown in Figure 3 and close the tray manually
removing the Tray Cover. by pushing it back in.
Note: If this is not possible, the DVD Tray has to be open 3) Loosen 9 screws and remove the Top Cover by lifting the
manually. rear portion upwards before sliding it out towards the rear.
- 5 screws on the back
Take a mini screw driver about 2mm diameter and make - 2 screws each on the left & right side
a marking 24mm from the tip as shown in figure 2. place
the set on its side, insert the mini screw driver till the 4) Loosen 7 screws & lift up the top edge of Front Panel
marking and slide it towards the right as shown in figure assembly to free some catches before sliding it out
1 until the Tray moves out of the Front Panel. towards the front.
- 4 screws on the bottom
- 1 screw "E" on the inside as indicated in Figure 8.
A
- 1 screw each on the left & right side
Marking just outside the
Repeat slot on the rear cabinet
Figure 4
Dismantling of the Power Board
1) Loosen 4 screws "B" at the top of the Power Board as
shown in figure 5.
2) Release 2 catches "C" at the top of the Power Board as
Figure 1 shown in figure 6.
2mm
24mm
Figure 2
B
C
Figure 5 Figure 6
Figure 3
3-2 3-2
Dismantling of the Main Board and Tuner Board SERVICE POSITIONS
1) Loosen 10 screw " D " at the back panel as shown in figure Service position A
7.
2) Loosen 6 screw " E " on the top of main board as shown in
figure 8.
3) Loosen 4 screw "F" on the top of tuner board as shown in
figure 9.
Figure 7
Note: In some service positions the components or copper patterns of one board may risk touching its neighbouring pc
boards or metallic parts. To prevent such short-circuit use a piece of hard paper or other insulating material between them.
E Service position B
Figure 8
F
Figure 9
4-1 4-1
BLOCK DIAGRAM
4-2 4-2
WIRING DIAGRAM
5-1 5-1
FTD DISPLAY PIN ASSIGNMENT
1G 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
Dp
a
CONTROL/POWER SWITCH f
g
h
s
j k
m
b
/VOLUME BOARD e r p
d
n c
(2G - 10G)
10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
P1 a a a a a a a a a
P2 b b b b b b b b b
P3 f f f f f f f f f
P4 h h h h h h h h h
TABLE OF CONTENTS P5 j j j j j j j j j
P6 k k k k k k k k k
FTD Display Pin Assignment ........................................... 5-1
Pin Connection ................................................................ 5-1
P7 m m m m m m m m m
Circuit Diagram ................................................................ 5-2 P8 s s s s s s s s s
PCB Layout Top View ...................................................... 5-3 P9 g g g g g g g g g
PCB Layout Bottom View ................................................ 5-3 P10 c c c c c c
c c c
P11 e e e e e e e e e
P12 r r r r r r r r r
P13 p p p p p p p p p
P14 n n n n n n n n n
P15 d d d d d d d d d
P16 Col Dp Col
P17
P18
PIN CONNECTION
PIN NO. 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31~23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CONNECTION F2 F2 NP NP 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G NXP18 P17 P16 P15 P14 P13 P12 P11 P10 P8 P7
P9 P6 P5 P4 P3 P2 P1 NP NP F1 F1
## Note ##
1. Fn: Filament pin
2. NP : No Pin
3. NX : No Extended Pin
4. nG : Grid Pin
5. PN : Anode Pin
5-2 5-2
CIRCUIT DIAGRAM - KEY BOARD
C2201 E1 R2251 B2
C2202 E1 R2252 B2
1 2 3 4 5 6 C2204 E1 R2253 E4
C2206 D2 R2254 E5
C2207 D2 R2255 E5
C2208 C4 RB201 B6
C2209 C4 RB202 C6
C2212 D6 RB202A E5
C2213 C5 RB202B E5
C2214 A6 RB203A A6
C2215 A6 RB203B A6
C2216 A1 SN2201 C6
A A C2217 A1 TA2201 D2
C2218 B1 TA2202 C2
C2219 B2 TA2203 C2
C2220 B2 TA2204 C2
C2221 A4 TA2205 C2
C2222 A5 TA2206 D3
C2223 A3 TA2207 D3
C2224 B2 TA2208 E6
C22051 D1 VR2201 A6
D2201 C2 XL2201 E1
D2202 C3 ZD2201 D3
DP2201 A4 ZD2202 D6
IC2201 E2 ZD2203 D6
B B IC2202 A2
LD2201 E6
104
Q2201 D2
Q2202 D3
C2224 Q2203 C4
Q2204 D5
Q2205 E5
R2201 D3
R2202 D3
R2203 D3
R2204 D3
R2205 D3
RB202
R2207 D3
C C R2208 D3
R2209 B5
R2210 D2
R2211 D2
R2212 D2
R2213 D2
R2214 E1
R2215 D1
R2217 D2
R2218 D4
R2219 C4
R2221 D5
R2222 C5
D D R2223 D6
R2224 D5
R2226 B5
R2227 B6
R2228 D5
R2231 D2
R2232 D2
R2233 D3
R2234 D3
R2235 D4
R2236 D3
R2237 D1
R2238 D1
R2239 D1
E E R2240 A2
R2241 A2
R2242 D1
R2243 D1
R2244 D1
R2245 A1
R2246 B1
R2247 B1
R2248 B1
1 2 3 4 5 6 R2249 B2
R2250 B2
5-3 5-3
PCB LAYOUT - KEY BOARD (TOP)
C2204 A2 D2201 A4 RB202 B2 TA2201 B4 TA2207 B5 A2 B2
C2207 B1 D2202 A4 RB202A A1 TA2202 A5 TA2208 B1 A3 A4
C2208 B4 DP2201 B3 RB202B A1 TA2203 B4 VR2201 B5
C2213 A3 LD2201 B1 RB203A A5 TA2204 B4 XL2201 A2
C2217 B3 R2228 B2 RB203B A5 TA2205 A4 ZD2201 B2
C2223 A3 RB201 B2 SN2201 A4 TA2206 B1 A1 B1
1 2 3 4 5
A A
B B
1 2 3 4 5
PCB LAYOUT - KEY BOARD (BOTTOM)
C2201 A4 C2219 B3 Q2202 B1 R2207 A5 R2216 A4 R2227 A1 R2239 B4 R2248 B3 ZD2202 A2
C2202 A4 C2220 B3 Q2203 B1 R2208 A4 R2217 A4 R2231 B2 R2240 B4 R2249 B2 ZD2203 A2
C2206 B4 C2221 A4 Q2204 B2 R2209 B4 R2218 A4 R2232 A2 R2241 B3 R2250 B1
C2209 A2 C2222 A3 Q2205 A5 R2210 B4 R2219 A2 R2233 B1 R2242 B4 R2251 A1
C2212 A2 C2224 A3 R2201 B4 R2211 A4 R2221 B2 R2234 A1 R2243 A4 R2252 B1
C2214 A1 C22051 B4 R2202 B5 R2212 A4 R2222 A2 R2235 B1 R2244 A4 R2253 A5
C2215 A1 IC2201 B4 R2203 B5 R2213 A4 R2223 A2 R2236 B1 R2245 A3 R2254 A5
C2216 B3 IC2202 B3 R2204 B5 R2214 A4 R2224 B2 R2237 A4 R2246 A3 R2255 A5
C2218 B3 Q2201 A2 R2205 B5 SR2215 A4 R2226 A1 R2238 B4 R2247 B3 R2256 B2
1 2 3 4 5
A A
B B
1 2 3 4 5
6-1 6-1
TUNER ADJUSTMENT TABLE
Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter
VARICAP ALIGNMENT
FM 108MHz check 6.5V ±1.2V
87.5 - 108MHz
(50kHz grid) 87.5MHz check 1.0V ±0.5V
1602KHz check 7.8V ± 0.2V
AM 531KHz T005 1.1V ± 0.5V
530-1710kHz