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14

14

WM-FX271FP

IC301  LB8115

IC1  TA2111F

• IC Block Diagrams

Note for schematic diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

 and 

1

/

4

 

W or less unless otherwise

specified.

%

: indicates tolerance.

f

: internal component.

C

: panel designation.

A

: B+ Line.

H

: adjustment for repair.

• Total current is measured with no cassette installed.
• Power voltage is dc 3V and fed with regulated dc power

supply from battery terminal.

• Voltage is dc with respect to ground under no-signal

(detuned) condition.
no mark : FM
(

) : AM

<

> : PB

• Voltages are taken with a VOM (Input impedance 10 M

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Signal path.

F

: FM

f

: AM

E

: PB

1

2

3

4

5

6

7

8

9

10

11

12

36

35

34

33

32

31

30

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 IN2

PRE REV IN1

PRE FWD IN1

S/S

PRE GND

PRE OUT1

BIAS

R.F

REF

SYS

CONT

DET

VREF

SPEED

LOW

BOOST

PRE DRIVER

OPERATION LOGIC

OSC

PLUSE DET

REF

VOLTAGE

REF VOLTAGE

FOR SPEED CONTROL

CURRENT

DET

OPERATION

DET

FWD/

REV

FREQ

CARC.

+

24

1

2

23 22

21

20

AGC

AM

DET

AM

MIX

FM

DET

LEVEL

DET

ST/MONO

FM/AM

TUN
LED

ST

LED

FM

MUTE

AM

OSC

FM

OSC

FM

MIX

DECODE

DIVIDE

VCO

19

18

17

16

15

14 13

3

4

5

6

7

8

9

10

11

12

AF

BUFFER

FM RF

AF

AMP

AM

IF

FM

IF

FM RF IN

RF GND

AM LOW CUT

MIX OUT

AGC

VCC

AM IF IN

FM IF IN

GND

TUN LED

ST LED

QUAD

AM RF IN

FM RF OU

T

RF VCC

FM OSC

AM OSC

AFC

DET OUT

MPX IN

LPF2

LPF1

L-OUT

R-OUT

Содержание WM-FX271FP

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 21: ...21 WM FX271FP MEMO ...

Страница 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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