Sony WM-FX271FP Service Manual Download

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WM-FX271FP

5-4. SCHEMATIC DIAGRAM • Refer to page 14 for IC Block Diagrams and page 14 for Note on Schematic Diagram.

IC B/D

J301

CT1

R10

R14

R11

R12

R13

R705

R715

R720

R721

Q701

Q702

S716

R719

L701

IC702

IC701

LCD701

S301

J302

C311

C301

Q308

D301

C302

Q303

R304

D302

Q302

R302

R301

R303

L304

R305

R307

Q304

JR301

R306

C304

L201

L101

Q306

R308

Q305

R320

R321

RV301

L301

R208

R108

C321

R327

S305

R324

R326

R611

RV601

R608

R606

R605

R601

R609

R319

C104

R106

Q101

R103 R104

R105

R205

R204

R203

Q201

R206

C204

R111

CN301

R610

S303

JR2

CP1

R20

CF2

CF1

C22

C28

R408

C307

R311

R312

D303

L302

R309

T301

R21

S707

S715

S714

S713

S705

S706

S708

R707

S701

S702

JR704

JR706

S704

R708

D701

R709

R711

R329

R17

C31

Q704

Q301

R313

JR707

R706

X701

Q703

R704

R310

Q307

IC1

IC301

R112

S303

C35

C34

C36

C29

C41

C205

C326

C604

C203

C103

C101

C201

C324

C327

C208

C108

C319

C336

C335

C325

C107

C207

C334

C209

C109

C606

C105

C27

C24

C13

C12

C17

C16

C18

C19

C14

C20

C21

C704

C40

C309 C312

C308

C337

TH601

C332

C338

C305

C303

C306

C705

C706

C707

C708

C709

C710

C702

C701

C42

C703

C711

C715

C712

C310

C10

R18

JR14

C25

C26

R15

R16

R703

R701

R328

R702

R210

R110

C333

C605

R207

R107

C601

C602

C603

C608

C23

C714

R710

R712

R723

R725

Summary of Contents for WM-FX271FP

Page 1: ...ccessories Stereo headphones or Stereo earphones 1 Design and specifications are subject to change without notice SPECIFICATIONS Sony Corporation Personal Audio Company Published by Sony Engineering Corporation 9 961 044 01 2003G04 1 2003 07 Notes on Chip Component Replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat Flexi...

Page 2: ...ion Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a temperat...

Page 3: ...is extracted from instruction manual AVLS VOLUME xSTOP MFF NPLAY mREW TUNING HOLD i MEGA BASS RADIO ON OFF BAND DC IN 3V NORM CrO2 METAL DX LOCAL or NORM CrO2 METAL ST FM MONO 1 5 preset The button has a tactile dot Location of parts and controls ...

Page 4: ...r 1 4 mm flat blade into the slit at claw A and release the claw 2 Remove the cabinet front sub assy Release all claws B to N in alphabetical order Cabinet front sub assy Main board Set Holder sub assy cassette Belt and Motor Mechanism deck A cabinet front sub assy holder sub assy cassette B C D E F H I J K S716 G L M N cabinet front sub assy Note When removing the cabinet put cloth on the end of ...

Page 5: ...mm flat blade vertically into portion A to release the hinge plate 3 Portion B to release the hinge plate 4 two claws 1 HEAD FLEXIBLE board CN301 2 Unsolder the 4 places 5 MAIN board 3 screw M1 4 toothed lock WH 1 Open the holder sub assy cassette 4 holder sub assy cassette A B 5 spring torsion ...

Page 6: ... Insert the precision screwdriver 1 4 mm flat blade into the slit and release three claws 2 Remove the mechanism deck in the direction of the arrow How to apply the belt 1 belt 3 motor 2 two screws screw M1 4 toothed lock wheel assy NP capstan belt M901 ...

Page 7: ...Q 102C 20 to 50 g cm 0 28 to 0 69 oz inch FWD less than 0 19 mN m Back Tension CQ 102C less than 2 g cm less than 0 03 oz inch more than 5 89 mN m FF REW CQ 201B more than 60 g cm more than 0 83 oz inch 0000 i jack J301 digital frequency counter set 16 Ω test tape WS 48A 3 kHz 0 dB PRECAUTION Supplied voltage 2 5V Switch and control position VOLUME control maximum AVLS switch NORM Test Tape Type S...

Page 8: ...ON BAND switch FM FM Tuning Voltage Adjustment FM TUNING VOLTAGE ADJUSTMENT Adjust for a 8 5 0 3 14 5 0 5 Vdc reading on digital voltmeter L3 108 MHz FM Tracking Adjustment Modulation 1 kHz 75 kHz dev 100 Output level as low as possible digital voltmeter TP VT Main board FM RF signal generator 0 01 µF FM RF IN Main board GND i jack J301 set 16 Ω level meter range 0 5 5 V ac FM TRACKING ADJUSTMENT ...

Page 9: ... TUNING VOLTAGE ADJUSTMENT L2 FM TRACKING ADJUSTMENT L4 AM TUNING VOLTAGE ADJUSTMENT T1 AM IF ADJUSTMENT CT1 AM TRACKING ADJUSTMENT L1 Adjustment Location main board Measurement Points main board FM RF IN VT FM RF IN VT ...

Page 10: ... AM L FM input 17 HOLD I Key hold input Key input effect L Key input ineffect H 18 GND Ground 19 EO O PLL error out output 20 VCO AM I VCO AM input 21 VCO FM TV I VCO FM input 22 VDD2 Voltage regulator for PLL 23 VDD1 Power supply pin 24 XO Crystal oscillator output 75 kHz 25 XI Crystal oscillator input 75 kHz 26 VDD5 Voltage regulator for oscillation circuit 27 VDD3 Power supply for LCD driver 28...

Page 11: ...ERY SIZE AA IEC DESIGNATION R6 2PCS 3V D3 L3 FM OSC L4 AM OSC D1 CT1 D731 BATT B L1 AM FERRITE ROD ANTENNA R FWD 9 5 POWER MUTE 21 19 REG IC702 1 30 28 L B SW 32 MIX OUT L RV301 1 24 POWER IN L PWR R CH COM L CH R CH 22 POWER OUT L 16 POWER OUT COM 18 J301 6 8 35 49 LCD1 LCD14 X701 75kHz BATT B M901 CAPSTAN REEL MOTOR 31 34 COM1 LCD701 LIQUID CRYSTAL DISPLAY PANEL COM4 KEY IN1 KEY IN4 10 11 54 56 ...

Page 12: ...14 14 14 1 671 695 S713 S714 S707 S708 S706 S705 S704 S715 S701 S702 Note Y parts extracted from the conductor side a Through hole Pattern from the side which enables seeing Ref No Location D1 C 3 D2 C 6 D3 C 8 D301 I 9 D302 D 6 D303 G 9 D701 F 10 IC1 C 5 IC301 H 11 IC701 F 11 IC702 F 13 Q2 D 10 Q101 H 12 Q201 H 12 Q301 D 10 Q302 E 6 Q303 D 6 Q304 G 10 Q305 G 10 Q306 H 10 Q307 G 6 Q308 G 10 Q701 F...

Page 13: ... R203 Q201 R206 C204 R111 CN301 R610 S303 JR2 CP1 T1 R20 CF2 CF1 C22 X2 C28 R408 C307 R311 R312 D303 L302 R309 T301 R21 S707 S715 S714 S713 S705 S706 S708 R707 S701 S702 JR704 JR706 S704 R708 D701 R709 R711 R329 R17 C31 Q704 Q301 R313 JR707 R706 X701 Q703 R704 R310 Q307 IC1 IC301 R112 S303 C2 C35 C4 C6 C7 C34 C36 C3 C29 C41 C205 C326 C604 C203 C103 C101 C201 C324 C327 C208 C108 C319 C336 C335 C325...

Page 14: ...29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 COM RI PRE NF1 PRE OUT2 PRE NF2 VREF POWER OUTC POWER OUT2 VCC POWER MUTE POWER IN1 POWER IN2 MIX OUT1 MIX OUT2 LP 2 R P2 R P1 DET OUT MVREF IN VSP LOW BOOST IN2 LOW BOOST IN1 LOW BOOST SW M GND R VREF FWD REW PRE MUTE SW POWER OUT1 POWER GND MVCC DR WOUT MP GND VOUT UOUT FC OUT OSC UB VB WB PRE FWD IN2 PRE REV ...

Page 15: ...SECTION R Ref No Part No Description Remark R 1 X 3383 698 1 HOLDER SUB ASSY CASSETTE 2 3 007 012 01 SPRING TORSION 3 3 007 011 01 SPRING CASSETTE 4 3 030 057 01 HOLDER LCD 5 3 007 006 21 BUTTON STOP 6 3 007 004 22 BUTTON FF 7 3 030 054 01 BUTTON PLAY 8 3 007 005 21 BUTTON REW 9 X 3383 701 1 CABINET FRONT SUB ASSY 10 3 015 285 01 SCREW M1 4 TOOTHED LOCK WH 11 3 255 431 01 BUTTON PRESET 12 3 007 01...

Page 16: ...n Remark Ref No Part No Description Remark 51 3 013 560 11 BELT 52 3 238 876 04 SCREW M1 4 TOOTHED LOCK 53 X 3378 976 1 LEVER NL ASSY PINCH 54 3 704 197 71 SCREW M1 4X4 5 LOCKING HP901 1 500 532 11 HEAD MAGNETIC PLAYBACK M901 1 763 073 13 MOTOR including PULLEY 54 53 52 51 M901 HP901 ...

Page 17: ...ASSIS COMP ASSY GL 02 103 X 3372 619 3 WHEEL ASSY NP CAPSTAN 104 3 920 990 21 SPRING UD COMPRESSION 105 X 3376 169 5 CLUTCH ASSY 105 108 109 110 106 104 103 102 107 101 not supplied not supplied not supplied not supplied 106 3 921 335 03 WASHER LEVER 107 3 921 042 01 GEAR REEL 108 3 938 613 05 LEVER OW DETECTION 109 3 728 091 01 WASHER STOPPER 110 3 923 530 11 SLEEVE M ...

Page 18: ...F 10 50V C41 1 113 619 11 CERAMIC CHIP 0 47uF 10V C42 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C101 1 162 962 11 CERAMIC CHIP 470PF 10 50V C103 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C104 1 126 153 11 ELECT 22uF 20 6 3V C105 1 115 156 11 CERAMIC CHIP 1uF 10V C107 1 115 156 11 CERAMIC CHIP 1uF 10V C108 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C109 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C201 1 ...

Page 19: ... Q201 8 729 424 67 TRANSISTOR UN2216 Q301 8 729 216 22 TRANSISTOR 2SA1162G Q302 8 729 900 52 TRANSISTOR DTC114YK Q303 8 729 402 13 TRANSISTOR XN1501 Q304 8 729 141 48 TRANSISTOR 2SB624 BV345 Q305 8 729 402 13 TRANSISTOR XN1501 Q306 8 729 403 17 TRANSISTOR XN1215 Q307 8 729 422 27 TRANSISTOR 2SD601A Q Q308 8 729 900 52 TRANSISTOR DTC114YK Q701 8 729 422 27 TRANSISTOR 2SD601A Q Q702 8 729 422 27 TRA...

Page 20: ...5 1 10W R702 1 216 839 11 METAL CHIP 33K 5 1 10W R703 1 216 812 11 METAL CHIP 180 5 1 10W R704 1 216 803 11 METAL CHIP 33 5 1 10W R705 1 216 833 11 METAL CHIP 10K 5 1 10W R706 1 216 833 11 METAL CHIP 10K 5 1 10W R707 1 216 833 11 METAL CHIP 10K 5 1 10W R708 1 216 833 11 METAL CHIP 10K 5 1 10W R709 1 216 833 11 METAL CHIP 10K 5 1 10W R710 1 216 833 11 METAL CHIP 10K 5 1 10W R711 1 216 833 11 METAL ...

Page 21: ...21 WM FX271FP MEMO ...

Page 22: ...ON HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2003 07 New ...

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