Sony CFD-G70L Service Manual ▷ View online
CFD-G70L
29
29
R134
R133
R133
R135
R234
C230
C225
C140
C125
C130
C148
C238
C223
C239
C226
C324
C325
C227
C228
R142
R242
R143
R243
C132
C232
C231
R228
R128
C240
C248
C123
C138
C139
C126
R132
R125
C122
C127
C128
C121
R123
R223
C221
R232
R225
C321
C322
C335
C328
C330
R327
C331
C329
R326
R131
R231
R129
C131
R229
C333 R331
C233
C235
C135
C133
R137
R237
C234
C134
KH323
C246
C146
C244
C144
C145
C332
C241
C141
R140
R240
R127
C129
R226
C229
R227
R325
R324
C147
R334
R353
R352
R323
C352
R340
C338
R336
C337
C341
C342
C343
C345
R339
C344
C336
R332
C346
R341
R328
C334
D321
D322
C351
C347
Q953
R951
R952
Q952
R959
C956
C955
R957
Q955
C952
R954
R956
C951
R955
R958
C958
Q956
R960
C959
C957
C953
C348
R344
R343
CNP322
M321
KH321
R346
R347
R348
R347
R348
D324
R345
C349
R233
R235
IC321
IC325
C245
C247
IC323
R126
IC322
IC324
R354
CNP396
CNP394
KH324
CNP395
CNP392
CNP393
CNP391
R329
SP395
SP394
J301
L301
SP392
SP391
SP393
J391
R191
R291
Q222
Q122
Q121
Q221
R222
R122
C222
R337
R961
D951
D952
D955
D958
D958
Q324
Q325
Q326
Q321
Q954
D954
D957
D953
Q957
Q322
Q323
Q327
Q328
Q329
KH325
Q951
R351
R141
R241
JW360
R333
4.7k
4.7k
4.7k
4.7k
4.7k
2.2
50V
4.7
50V
2.2
50V
4.7
50V
2.2
50V
2.2
50V
0.001
100p
470p
0.0022
22
25V
100
10V
0.1
0.1
22k
22k
220
220
0.001
0.001
47
10V
10k
10k
2.2
50V
2.2
50V
100p
0.001
470p
0.0022
1.5k
2.2k
2.2
50V
0.1
0.1
1
50V
33k
33k
1
50V
1.5k
2.2k
470p
1000p
0.01
0.022
1
50V
33k
0.022
0.047
33k
100
100
330
47
10V
330
100
10V
10k
47
10V
1000
10V
1000
10V
47
10V
4.7
4.7
0.1
0.1
6P
0.1
0.1
47
10V
47
10V
100
10V
47
10V
10
50V
10
50V
100
100
47k
1
50V
22k
1
50V
47k
10k
100k
0.0022
4.7k
470
1k
4.7k
47
10V
1k
100
10V
470
0.1
100
10V
220
10V
100
10V
0.1
2.2
100
10V
22
25V
2.2k
0.1
2.2
2.2M
4.7
50V
1SS133T-77
1SS133T-77
2200
25V
2200
25V
KRC101M-AT
100k
2.2k
KTA1271Y-AT
330
0.022
100
10V
100
KTC3198GR-AT
0.022
470
470
0.1
100
1k
0.022
2SD2012
100
220
10V
0.022
220
10V
0.022
1k
100k
6P
6P
1k
1k
1k
1k
1k
1SS133T-77
1k
220
25V
4.7k
4.7k
LC75342
BA5417
100
10V
0.0022
BA5417
22k
NJM4558D
BA5417
68
3P
4P
4P
4P
5P
4P
8P
100
100
1/4W
100
1/4W
KTC3198GR-A
KTC3198GR-A
KTC3198GR-A
KTC3198GR-A
22k
22k
2.2
50V
1k
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
KRC107M
KRC107M
2SC2120-Y
KTC3198GR-A
2SB1094-LK
RD10ESB2
RD3.9ESB2
RD6.8ESB2
2SC2120-Y
KRC107M
KTA1271Y
KTC3198GR-A
KRC107M
KRA107M
KRC105M-AT
10k
10k
10k
910
GND
D.GND
A-MUTE
V.LAT
V.CLK
V.DATA
V.DATA
VDD(SW)
R-VT
BATT.COM
AC-HI
AC-HI
P.GND
ST.GND
ST.GND
AUDIO 6V
COM 3.3V
PCON
SUR ON/OFF
MT-CONT
TC-PLAY
U-COM(VDD)
TUNER-L
TAPE-L
LINE(REC)-L
CD-L
TAPE-L
LINE(REC)-L
CD-L
TUNER-R
TAPE-R
TAPE-R
LINE(REC)-R
CD-R
CD-R
WOOFER 1
WOOFER 2
GND
AC.HI
GND
VDD
BATT.COM
+
-
-
-
+
+
+
-
H.P.C
+
-
L
R
W+
W-
W-
W+
7
3
8
4
9
5
2
6
1
3
8
4
9
5
2
6
1
AC-HI
VDD(S.W)
PCON
U-COM(VDD)
COM-3.3V
+
+
-
-
BATT.COM
DI
CE
CLK
VDD
VREF
NC
VSS
TEST
R.OUT
IN
IN
TRE
BASS
TRE
BASS
BASS
BASS
L.OUT
AUDIO 6V
LINE
TUN
LINE
TUN
S.O
L
R
S.O
CD
TAPE
TAPE
L
R
NC
NC
CD
R
L
GND
+
-
-
+
-
-
+
G-X R+
G-X R-
G-X L-
G-X L+
G-X R-
G-X L-
G-X L+
POWER SW
3.3V REG
6V REG
INV
9V REG
BS
BS
STBY
FILT
VCC
LPF
BS
BS
STBY
FILT
VCC
AGC
WOOFER2 SW
WOOFER1 SW
WOOFER AMP
L/R POWER
BS
BS
STBY
FILT
VCC
G-Xpand POWER
GND
VDD
1
6
1
6
1
1
1
2
6
5
8
1
1
4
4
4
1
1
1
3
3
Q122,222
MUTE
MUTE
MUTE
MUTE
AGC
Q954,955
Q957
Q956
(
(
(
(
S321
TAPE
PLAY
TAPE
PLAY
S322
MOTOR
ON/OFF
MOTOR
REEL
CAPSTAN/
SPEAKER
(L-CH)
SPEAKER
(R-CH)
SPEAKER
WOOFER
(L-CH)
(R-CH)
G-Xpand SPEAKER
G-Xpand SPEAKER
GAME
LINE IN
SURROUND
SWITCH
Q328,329
CONTROL
VOL,BASS
INPUT SELECT
SURROUND
SWITCH
Q324,325
SWITCH
Q322,323
MOTOR
+B SWITCH
Q952,953
SWITCH
BOARD
(1/2)
BOARD
MAIN
POWER
CNP903
5-13. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – • Refer to page 36 for IC Block Diagrams. • Refer to page 36 for notes.
30
30
CFD-G70L
CONTROL-1 BOARD
11
(11)
1-681-298-
11
(11)
1-681-299-
CONTROL-2 BOARD
X
N
>
>
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
S404
S402
S403
S401
CNP401
D404
D402
D402-404
POWER DRIVE
WOOFER
POWER DRIVE
WOOFER
D403
KH402
R408
D401
R401
R402
R409
R403
R404
R404
R407
D451
OPR/BATT
KH451
S452
S451
S456
S455
S454
S458
S453
S457
S459
S460
S461
S462
R452
R451
R463
R455
R454
R453
R457
R456
R462
R458
R459
R460
R461
S408
R464
VOLUME –
VOLUME +
CD
PRESET+
RADIO BAND
AUTO PRESET
AUTO PRESET
PRESET-
AMS
TUNE+
AMS
TUNE–
DISPLAY ENT
MEMORY
SLEEP
POWER
SOUND
(TEST A)
MODE
GAME/LINE
GAME Xpand
GAME Xpand
D
MAIN BOARD
CNP805
x
5-14. PRINTED WIRING BOARD – CONTROL SECTION – • Refer to page 18 for Circuit Boards Location.
D401
B-6
D402
A-8
D403
A-8
D404
A-9
D451
D-8
Ref. No.
Location
z
Semiconductor
Location
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
CFD-G70L
31
31
5-15. SCHEMATIC DIAGRAM – CONTROL SECTION – • Refer to page 36 for notes.
S401
S402
S403
S404
R404
R403
R402
R401
S408
CNP401
R408
R407
R409
KH402
KH451
R464
R463
R462
S451
S452
S453
S454
S455
S456
S457
S458
S459
S460
S461
S462
R461
R460
R459
R458
R451
R452
R453
R454
R455
R456
R457
D401
D402
D403
D404
D451
2.2k
1k
1k
680
9P
330
330
220
4P
4P
6.8k
220
1k
2.2k
1k
1k
680
680
1k
1k
2.2k
3.3k
6.8k
22k
SLI-343YCT32W-ST
SLI-343YCT32W-ST
SLI-343YCT32W-ST
SLI-343YCT32W-ST
L-34D
KEY-2
GND
KEY-3
KEY-1
MODE
6V
WOOFER-1 LED
WOOFER-2 LED
SUR LED
OPE/BATT
KEY-3
KEY-2
OPE/BATT
GND
GAME Xpand
SOUND
OPE/BATT
POWER
SLEEP
PRESET+
PRESET-
GAME/LINE
1
1
4
4
1
5
9
WOOFER
POWER DRIVE
D402-404
WOOFER
POWER DRIVE
RADIO BAND
AUTO PRESET
DISPLAY ENT
MEMORY
AMS
AMS
CD
VOLUME-
VOLUME+
(TEST A)
MAIN
CNP805
(1/2)
BOARD
32
32
CFD-G70L
5-16. PRINTED WIRING BOARD – POWER SUPPLY SECTION – • Refer to page 18 for Circuit Boards Location.
D901
F-6
D902
F-7
D903
F-6
D904
F-7
Ref. No.
Location
z
Semiconductor
Location
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
* *
* *
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
T901
POWER TRANSFORMER
E
MAIN BOARD
KH321
CNJ901
AC IN
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
JW903
JW901
F902
JW902
JW906
JW905
JW905
CNP903
C904
C901
D902
C903
JW911
JW913
C902
JW912
JW914
CNP902
C909
D903
D901
JW915
D904
1
2
4
5
6
7
8
12
14
19
21
FH901
FH902
11
(11)
1-681-303
AC INLET BOARD
11
(11)
1-681-302-
POWER BOARD
11
(11)
1-681-307
BATT COM BOARD
11
(11)
1-681-304
BATT BOARD
JW952
JW951
KH952
1
JW953
JW954
CNP953
JW904
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