Sony CFS-929S Service Manual ▷ View online
CFS-929S
13
13
7
30
19
L5
SW1
TRACKING
CT1,L1
FM
TRACKING
CT2,L2
FM
FREQUENCY
COVERAFE
L5 SW1 ANT
L7 SW2 ANT
L7
SW2
TRACKING
CT3,L3
MW
TRACKING
CT6,L6
SW1
FREQUENCY
COVERAGE
CT8,L8
SW2
FREQUENCY
COVERAGE
CT4,L4
MW
FREQUENCY
COVERAGE
DECK A
(L-CH)
(R-CH)
HP301
PLAYBACK
HEAD
DECK B
(L-CH)
(R-CH)
HRP301
RECORD/
PLAYBACK
HEAD
J103
PLAY(DECK B)
J102
PLAY(DECK A)
J105
POWER(DECK B)
J104
POWER(DECK A)
M301
CAPSTAN/
REEL
MOTOR
ANT1
FM/SW
TELESCOPIC
ANTENNA
L8
SW2
OSC
L6
SW1
OSC
L4
MW
OSC
22
19
24
21
20
18
16
13
FM
FRONT END
FM
FRONT END
AFC/AGC
AMP
FM IF/
DISCRI
MIC
AMP
BIAS
OSC
LOGIC
CONTROL
MPX
DECODE
AMP
14
REGULATOR
T1
AM IF
DETUNE
MUTING
MUTING
CONTROL
FINE TUNING
CONTROL
Q1
TUNER
B+ SWITCH
Q302
POWER SWITCH
Q371
AM IF/
DETECT
10
23
15
7
6
5
28
27
RV1
FM VCO
26
S302
FUNCTION
S302-2
TU+B
VDD
TAPE
RADIO OFF
r
DUBBING
r
RADIO
r
CD/TV LINE IN
FM
r
SW1
r
SW2
r
MW
OFF
r
ON
S1
BAND
FM
r
SW1
r
SW2
r
MW
S901
VOLTAGE
SELECTOR
220 - 240V
220 - 240V
R
110 - 120V
CV1-4
TUNING
L9
FM
IF
RV2
FINE
TUNING
S1-8
BAND
ON
T
OFF
S305
HIGH SPEED
D319
OPR/BATT
D320
FM STEREO
7
8
5
4
11
9
32
1
9
12
29
MIC
AMP
22
27
28
BUFFER
Q102
BUFFER
Q201
BUFFER
Q106
BUFFER
Q105
D307,308
D310-312
D310-312
REG.
Q372
BUFFER
Q205
BUFFER
Q206
TONE
AMP
Q104
MAXI BASS
SWITCH
Q107
MAXI BASS
SWITCH
Q207
SOUND
EQUALIZER
Q101,103
17
3
1
6
8
TREBLE,
BASS
ANALOG SWITCH
MUTE
Q313
LED DRIVER
Q309,310
MUTE
CONTROL
Q315,316
10
9
7
11
S306
SOUND
SELECT
J301
PHONES
SP301
WOOFER
(L-CH)
SP303
TWEETER
(L-CH)
J304
SPEAKER
D318
MAXI BASS
S301
MAXI BASS
VDD
TU+B
OR
HE301
ERASE
HEAD
R-CH
R-CH
VREF
S304
J101
DIRECTION
(DECK A)
CT4
CT8
CT6
S1-7
S1-3
CT2
CV2
CT1
CV1
CF1
FM IF
T1
AM IFT
CF2
AM IF
CT3
CV3
S1-4
S1-1
S1-5
S1-6
CV4
L3 MW FERRITE-ROD
ANTENNA
L2
FM OSC
L1
FM RF
IC1
FM/AM
FRONT END,IF DET,
FM STEREO DEMODULATOR
MIC301
MIC
J306
CD/TV
LINE IN
S303
ISS
1 2
VDD
VDD
MIC-IN
A-L
B-L
CD-L
VREF
VREF
VREF
BIAS
TR-B
TR-B
BIAS
TR-C
TR-C
10
MIC/HS
RA-IN-L
FUNCTION
14
OUT-L
15
OUT-R
A/B
NS/HS
LCH
IN
IN
1
RCH
IN
IN
LCH
OUT
RCH
OUT
D341
D310,
311
D322
VCC1
VCC2
VBATT
F904
R-CH
Q312
MAXI
MAXI
BASS
CONTROL
D321
IC303
POWER AMP
IC304
LINE AMP
R-CH
RV301
VOLUME
M
KEY1
KEY2
KEY3
KEY4
KEY5
KEY2
KEY3
KEY4
KEY5
R-CH
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS,12V
J902
DC IN 12V
!
D901-904
F901
F902
T901
POWER
TRANSFORMER
J901
~
AC IN
Q2
D3
D377
D304
D374
D378
D306
D309
D905
D323,
324
Q373
POWER ON
INITIAL MUTE
Q301
Q303
INV.
Q317
DUBBING
SPEED
CONTROL
TU+B
TU+B
VCC
ST IND
AFC
BAND SEL
IC301
REC/PB PRE AMP
R-CH
IC302
TREBLE/BASS
CONTROL
FLAT
GROOVE
LIVE
POP
CINEMA
KEY4
KEY4
KEY2
KEY3
KEY5
KEY1
KEY3
KEY2
KEY1
KEY5
M
D317
D316
D315
D314
D313
NC
Q305
Q306
Q308
ISS SWITCH
Q307
TAPE CONTROL
RV302
RV302
TAPE SPEED
S1-2
Q304
TAPE
TAPE
CONTROL
VBATT
VBATT
VDD
-1
-3
-3
-4
T301
S304
(REC/PB)
PB REC
FLAT
RF IN
FM RF
IN
IN
AM IF
IN
IN
FE
OUT
FM RF
FM OSC
AM RF
REG OUT
AM OSC
LCH OUT
RCH OUT
AFC/
AGC
R-CH
VDD
F903
S302-1
~
AC IN
OR
KEY1
KEY2
KEY2
KEY3
KEY5
KEY4
TONE
AMP
Q104
4
SIGNAL
MUTE
L
H
+B
GND
-1
L
-2
R
R-CH
Signal path
R-ch is omitted due to same as L-ch.
: MW
: FM
: SW
: PB(DECK B)
: PB(DECK A)
: REC(DECK B)
: CD/TV LINE
6-2. BLOCK DIAGRAM
CFS-929S
14
14
6-3. PRINTED WIRING BOARDS — TUNER SECTION — • Refer to page 12 for Circuit Boards Location.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
Common Note on Schematic Diagrams:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specified.
•
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 9V and fed with regulated dc power
• H : adjustment for repair.
• Total current is measured with no cassette installed.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
TUNER SECTION
no mark : FM
(
(
) : MW
<
> : SW
MAIN SECTION
no mark : FM
(
(
) : PB
<
> : REC
[
] : DUBBING
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: MW
h
: SW
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD/TV LINE
• Abbreviation
E15
: AC 220-240V area in E model
EA
: Saudi Arabia model
UAE
: United Arab Emirates model
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
Common Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Abbreviation
E15
: AC 220-240V area in E model
EA
: Saudi Arabia model
UAE
: United Arab Emirates model
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
Q2
L4
L5
L6
L7
L8
T1
CF1
S1
Q1
IC1
L2
L3
D3
D1
D2
CNP1
ANT1
CF2
C33
C34
C35
C38
C32
C43
C22
R11
C31
C37
C48
R7
R6
C36
C46
C45
C11
C41
C24
C23
C7
R9
C28
C47
C26
C25
L10
L1
C2
C10
R2
R3
R4
R8
C40
C39
C30
C5
C6
C3
CT3
CV3
CV1
CT1
CV4
CT4
CV2
CT2
C4
C12
C9
C8
R10
C20
C21
C16
C15
C17
C18
C13
C19
C14
R1
JW1
JW2
JW4
JW5
JW6
JW7
JW8
JW10
RV1
C49
L9
L2
JW9
JW11
JW12
CT8
CT6
C50
JW3
W2
W1
W3
RV2
R13
R12
C1
RED
BRN
RED
RED
WHT
BLU
WHT
BLU
YEL
BLK
WHT
BLU
D1
C-2
D2
C-2
D3
E-3
IC1
G-8
Q1
E-5
Q2
H-9
• Semiconductor
Location
Ref. No.
Location
(Page 16)
CFS-929S
15
15
6-4. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 14 for Common Note on Schematic Diagrams and page 20 for IC Block Diagrams.
IC B/D
IC1
C38
C32
R4
R8
C40
C39
R7
R6
C36
R1
C35
C34
C33
C31
S1-8
R10
C45
C41
S1-2
S1-1
S1-4
C1
C49
CT3
CV3
C43
S1-6
S1-5
S1-7
C17
C18
C19
C16
C21
C20
CT4
C15
C14
C13
CV4
C22
S1-3
CT1
CV1
CV2
CT2
RV1
R9
C28
C25
R2
C47
C10
C2
L10
C8
C9
C7
C24
C23
RV2
R12
R13
C30
L7
L5
CT8
CT6
L6
L8
L4
R11
C26
C50
R3
C11
T1
C46
CNP1
ANT1
L3
L2
CF1
CF2
D2
D1
C12
L1
C5
C6
C3
C4
L9
Q1
W2
W3
C37
C48
Q2
D3
W1
(Page 18)
CFS-929S
16
16
6-5. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 12 for Circuit Boards Location and page 14 for Common Note on Printed Wiring Boards.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
R110
R111
R210
R211
J306
SP304
SP302
SP301
SP303
J103
J102
J104
J105
M301
J101
DIRECTION
HP301
HE301
HRP301
GND
+B
H
L
R149
R150
R249
R250
C148
C248
J301
R346
D318
S301
R351
C348
CNP417
S306
S304
D319
D320
D313
D314
D315
D316
D317
R101
R102
R103
R104
R105
R
106
R107
R108
R109
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
R128
R129
R130
R131
R132
R133
R134
R135
R
136
R137
R138
R139
R143
R144
R145
R146
R147
R148
R
153
R201
R202
R203
R204
R205
R206
R207
R208
R209
R212
R213
R
214
R221
R222
R223
R
224
R
225
R
226
R227
R228
R229
R230
R231
R232
R233
R234
R235
R236
R237
R238
R
243
R244
R245
R246
R247
R248
R301
R302
R303
R305
R306
R307
R309
R310
R312
R313
R315
R316
S305
R317
R
318
R319
R320
R322
R324
R325
R326
R327
R328
R329
R330
R331
R332
R333
R334
R
335
R341
R343
R344
R345
R347
R
349
R350
R
356
R
360
R
361
R
363
R365
R367
R372
R367
R254
R311
R373
R374
R375
R376
R377
R378
C101
C102
C103
C104
C105
C106
C107
C108
C109
C112
C114
C115
C116
C117
C119
C120
C121
C122
C123
C124
C125
C126
C127
C128
C129
C130
C131
C132
C133
C134
C136
C138
C140
C141
C142
C143
R23
9
R
380
C201
C202
C203
C204
C205
C208
C209
C212
C214
C215
C216
C220
C221
C222
C223
C224
C225
C
226
C227
C228
C229
C230
C231
C232
C233
C234
C236
C238
C241
C242
C243
C249
C252
C152
R
152
R151
R154
R251
R252
C301
C302
C303
C304
C305
C306
C307
C309
C310
C311
C312
C313
C314
C316
C317
C318
C319
C320
C321
C323
C327
C326
C330
C331
C332
C333
C340
C341
C342
C343
C344
C345
C346
C347
C371
C373
C376
C375
C378
R337
Q302
Q303
Q304
Q306
Q
307
Q308
Q309
Q310
Q312
Q313
Q101
Q102
Q
103
Q
104
Q105
Q106
Q
107
Q201
Q204
Q205
Q
206
Q207
D304
D306
D307
D308
D310
D311
D312
D
321
D322
D325
D
371
D
372
D
373
D374
R
368
D375
Q373
S302
S303
S305
RV301
RV302
CNP301
CNP302
CNP303
CNP304
SHIELD
PLATE(CN)
CNP306
CNP307
CNP308
CNP309
CNP311
Q314
CNP310
C240
R
253
C379
Q
315
R338
R339
Q316
D341
D342
R336
JW301
JW302
JW
304
JW
305
JW306
JW
307
JW308
JW
310
JW
312
JW
313
JW315
JW
316
JW
318
JW319
JW323
JW
325
JW
326
JW
327
JW
328
JW
329
JW
330
JW331
JW332
JW333
JW334
JW335
JW336
JW337
JW
338
JW
339
JW
341
JW
344
JW
346
JW347
JW
348
JW
349
JW
350
JW
351
JW
352
T301
IC301
IC302
IC303
IC304
JW353
C206
C315
C207
R366
C118
C111
C211
C322
C308
JW303
R
304
CNP305
JW
311
JW
309
JW
342
D305
R323
D376
Q317
D377
D378
R352
R354
R355
R353
R358
JW
345
JW
354
JW355
Q301
L301
JW
314
JW
343
R321
C381
Q
372
Q371
Q305
C377
C372
JW
320
JW
321
JW
324
C137
C237
D379
JW
317
JW
340
JW356
JW
357
C325
C149
R371
C329
R359
R364
R362
D309
D323
D324
R308
C335
J304
C250
C150
C334
(Page 14)
(Page 17)
D304
H-4
D305
B-6
D306
H-5
D307
H-6
D308
H-6
D309
F-4
D310
H-6
D311
H-6
D312
H-6
D313
J-3
D314
J-4
D315
J-4
D316
J-5
D317
J-6
D318
G-12
D319
H-3
D320
H-3
D321
C-10
D322
C-11
D323
F-4
D324
G-4
D325
H-4
D341
I-6
D342
E-4
D371
C-9
D372
D-9
D373
D-9
D374
C-8
D375
H-5
D376
I-4
D377
G-4
D378
G-4
D379
F-5
IC301
D-6
IC302
F-8
IC303
E-11
IC304
H-9
Q101
C-7
Q102
D-8
Q103
D-8
Q104
D-7
Q105
E-9
Q106
G-6
Q107
F-10
Q201
C-7
Q204
D-8
Q205
E-8
Q206
E-8
Q207
F-9
Q301
H-4
Q302
B-6
Q303
C-6
Q304
B-8
Q305
C-9
Q306
B-8
Q307
C-9
Q308
F-6
Q309
H-6
Q310
H-6
Q312
F-10
Q313
I-9
Q314
I-9
Q315
H-8
Q316
I-5
Q317
G-5
Q371
D-9
Q372
C-10
Q373
I-5
• Semiconductor
Location
Ref. No.
Location
Click on the first or last page to see other CFS-929S service manuals if exist.