DOWNLOAD Sony CFD-G70 Service Manual ↓ Size: 4.7 MB | Pages: 52 in PDF or view online for FREE

Model
CFD-G70
Pages
52
Size
4.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-g70.pdf
Date
PREV: Sony CFD-926L (serv.man2) Service Manual

Sony CFD-G70 Service Manual ▷ View online

CFD-G70
25
25
R722
R719
R720
R717
R716
R718
R721
C721
C720
C722
C726
C724
C723
C725
C727
C734
C706
C707
R709
R710
C731
R708
R730
R729
C730
C744
C747
R728
R727
C746
C745
C728
C729
R726
R725
C703
R711
C732
C701
C702
R707
C750
C751
C733
R701
R703
R704
R705
R706
R702
R724
CNP701
R743
R741
R744
C741
C740
C709
C735
C711
C716
C717
JC704
R715
R714
R731
C704
C705
C743
C708
C742
C736
R712
Q701
M702
M701
IC702
CN701
C755
C754
CNP702
S701
JC701
JC702
IC701
FB701
0
µH
L706
0
µH
JC703
R723
C739
C738
X701
100
100
100
1k
1k
1k
1k
22p
22p
22p
1000p
22p
0.01
1000p
1000p
4700p
1 50V
1
22k
4.7k
0.047
10k
1k
220
0.1
0.1
100
10V
10k
2.2k
100
10V
0.1
0.047
1
680
680
0.1
330
100
10V
1000p
47
10V
10
100
10V
0.1
100
10V
47k
15k
15k
15k
47k
15k
47k
16P
6.8k
6.8k
100k
0.1
470
10V
0.1
1000
6.3V
0.01
0.01
0.01
220
150
150
2.2k
22p
4700p
0.1
100p
0.1
4700p
100
KTN2907AS-RTK
BA6998FP-E2
16P
0.01
0.01
15P
(LIMIT)
0
0
LC78645NE
0
100
0.1
0.1
33.86MHz
FSEQ
DRF
DO
WRQ
CL
CE
DI
RES
RES
DI
CE
CL
WRQ
DO
DRF
FSEQ
D.GND
R-OUT
L-OUT
CD6V
P.GND
RESET
CD 3.3V
DI
CE
CL
DO
DRF
FSEQ
E
D
A
B
C
F
LD
VR
PD
F+
T+
T-
F-
VCC
MUTE
SP+
SPIN
SP-
SL-
SL+
REGO
VCC
VREF
F-
F+
T-
T+
RST
VREF
VCC
GND
REG-B
GND
GND
GND
NC
OPOUT
OPIN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/
*
P
FSEQ
MONI1
MINI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
TEST
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
CE
CL
DI
DO
DRF
VDD5
VSS
CONT3
CONT2
CONT1
PDO1
PDO2
VVSS
PCKIST
VVDD
FR
LDS
LDD
SLCO
TX
TY
FX
FY
SLIN
(SLIN)
FIN
(FIN)
RF
FE
TE
VC
TIN
(TIN)
SPY
SPX
SLX
SLY
SLED
MOTOR
MOTOR
SPINDLE
FOCUS COIL
PD
LD
TRACKING COIL
E
VCC
VC
F
GND
C
B
A
D
NC
LD DRIVER
L CH
R CH
no mark:CD PLAY
RES
WRQ
WRQ
RES
OPTICAL
DRIVE
PICK-UP
CONTROL
SERVO
RF AMP
FFM DEMODULATOR
MAIN
CNP802
BOARD(1/2)
5-8. SCHEMATIC DIAGRAM  – CD SECTION –  • Refer to page 34, 35 for IC Block Diagrams.  • Refer to page 36 for notes.  • Refer to page 37 for Waveforms.
26
26
CFD-G70
1-681-594-
11
(11)
L-CH
R-CH
HRP301
RECORD/
PLAYBACK
HEAD
HE301
ERASE
HEAD
C
MAIN BOARD
CNP801
2
3
4
A
1
B
C
C103
R210
R206
R201
R301
R104
R103
R202
R203
R204
C104
C203
C204
C201
R305
R101
C101
JC304
R102
C107
C207
R307
C307
R306
C305
R308
C306
R303
JC301
R205
JC303
R309
R304
JC302
R105
R106
R302
R110
JC305
JC306
JC307
JC308
Q301
R112
R212
 
 
C205
C105
 
IC301
T301
C102
C302
C202
C301
C304
C303
S301
 
 
CN303
T301
J
TC BOARD
11
9
5
1
BLK
WHT
RED
YEL
S301
REC
REC
PB
C301
R301
C102
R102
R103
R112
C103
C104
C101
C107
R101
C105
R104
C302
R210
R201
C207
C201
C204
C202 R202
R203
C203
C205
R204
R106
R206
R303
R205
R105
R304
R309
JC306
C303
JC308
IC301
R307
C307
C304
C306
R306
R305
T301
R308
R110
R302
R212
Q301
C305
JC301
JC303
JC304
JC302
JC307
JC305
CN303
100
10V
1M
100
10V
68
68k
15k
0.047
0.0022
0.001
470p
15k
47p
3.3k
100 10V
100
15k
470p
0.001
0.0022
100
10V
68
68k
0.047
47p
3.3k
3.3k
3.3k
4.7k
15k
15k
1k
47
0
100
10V
0
TA2068N
10
0.001
47
10V
0.01
6.8k
150
BIAS COIL
22k
100
4.7k
15k
2SD601A-S
470p
0
0
0
0
0
0
9P
TAPE
CD
GND
R_OUT
L_OUT
ISS1
ISS2
CD_IN_L
CD_IN_R
6V
AGC
L.PO
L.NF
L.RO
L.IN
REF
GND
R.IN
R.RO
R.NF
R.PO
MIC.NF
L.LIN
MIC
I/EX
L.RAD
REC
L.LO
VCC
R.LO
LINE
R.RAD
TAPE
R.LIN
MIC
REC/PB PRE AMP
HEAD
RECORD/
PLAYBACK
R-CH
L-CH
ERASE
HEAD
HRP301
HE301
REC
PB
S301
-1
-2
REC
REC
BIAS OSC
MAIN
CNP801
BOARD(1/2)
5-9. PRINTED WIRING BOARD  – TC SECTION –  • Refer to page 18 for Circuit Boards Location.
5-10. SCHEMATIC DIAGRAM  – TC SECTION – • Refer to page 35 for IC Block Diagrams.
• Refer to page 36 for notes.
• Refer to page 37 for Waveforms.
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
CFD-G70
27
27
MAIN BOARD
11
(11)
1-681-300-
LCD BOARD
11
(11)
1-681-301-
HEADPHONE BOARD
B C E
E
C
B
B
C
E
B
C
E
B C E
E
C
B
B C E
B C E
B C E
TUNER
BOARD
CNP1
F
TUNER
BOARD
CNP1
A
CONTROL-1
BOARD
CNP401
D
S801
CD
DOOR
SWITCH
11
(11)
1-681-297-
US,CND,E92,MX
E4
US,E92,MX
CND,E4
CND,E4
CND,E4
M321
REEL/CAPSTAN
MOTOR
S321
(PLAY)
S322
(MOTOR)
TAPE
MACHANISM
DECK
M
1
2
3
4
5
6
C
TC BOARD
CN303
CD
BOARD
CNP702
B
J391
i
–
+
–
+
SP392
SPEAKER
(R-CH)
SP391
SPEAKER
(L-CH)
–
+
–
+
SP395
G–Xpand
SPEAKER
(R-CH)
SP394
G–Xpand
SPEAKER
(L-CH)
SP393
WOOFER
SPEAKER
E
POWER BOARD
CN903
2
3
4
5
6
7
8
9
10
11
A
1
B
C
D
E
F
G
H
I
IC802
        
 
        
 
JW802
JW
3
72
JW371
JW373
JW861
JW346
JW838
JW333
JW336
JW855
JW307
JW859
JW321
JW359
JW334
JW342
JW826
JW337
JW326
JW833
JW328
JW309
JW349
JW306
JW353
JW310
JW341
JW354
JW834
JW311
JW360
JW356
JW322
JW345
JW350
JW868
JW308
JW318
D952
Q951
JW374
D955
JW331
R961
JW357
JW332
JW329
D951
JW320
JW339
JW319
JW305
JW303
JW313
JW312
JW870
JW302
JW325
JW304
JW330
JW362
JW358
JW361
JW858
JW317
KH325
JW314
JW327
JW343
JW340
JW344
JW873
JW823
JW324
JW847
JW845
JW822
JW828
JW869
JW315
JW347
JW338
JW866
JW860
JW872
JW814
JW801
KH802
KH803
1
5
1
2
JW832
JW808
JW871
JW848
JW831
JW865
JW853
JW841
JW856
JW850
JW804
JW852
JW809
JW816
JW335
JW862
JW818
JW827
JW351
JW839
JW348
JW825
JW812
JW854
JW824
JW835
CNP801
JW863
JW851
JW874
JW829
JW352
JW817
JW836
JW811
JW813
JW837
JW805
JW821
JW857
R856
JW864
JW815
JW820
JW301
JW316
JW806
JW840
JW807
JW867
JW355
JW849
JW830
JW810
CNP391
R291
R191
C
N
P
39
4
J301
GAME
LINE IN
Q956
CN
P
3
96
L301
C337
R348
R347
Q954
R346
IC325
C134
R131
R231
C135
R132
C222
R353
R225
D322
4
3
C334
C233
C336
D321
Q121
R328
R332
IC322
Q221
Q326
R341
C232
C346
R351
Q
953
C235
C951
R334
C342
R331
C343
R128
C229
C345
R343
D324
C344
C131
IC323
C231
C132
C958
C121
R958
R354
C239
R952
R951
R955
R229
R228
R960
C352
Q325
C952
C348
Q321
C953
KH321
R329
C957
C330
R129
R333
C959
R954
C333
R339
C133
KH323
R344
R340
R134
1
R352
R122
Q323
C139
C955
R959
R957
C956
R956
Q122
C328
C329
R324
R326
R327
R123
R325
R223
C325
R232
C226
C321
C322
IC321
R345
R126
R235
R127
C324
C349
C227
C228
C128
C127
C129
R135
C125
C126
R226
C225
R125
CNP322
R962
US,E92,MX
CND,E
C
12
2
Q324
Q327
C123
R336
C221
C230
C223
C240
C140
C130
IC324
C148
R323
R222
C248
C347
C351
R133
C238
R233
Q955
C234
R234
C335
C331
KH324
R241
R240
C247
C144
C332
R143
R242
R243
R140
C241
C141
Q222
C246
C147
C145
R142
Q329
Q328
C244
R141
C245
C146
Q952
R817
R816
KH801
D807
CNP805
CNP803
R807
R805
R828
R806
R811
Q818
R810
Q812 Q813 Q815
D809
R859
Q819
Q801
D804
R818
R801
R803
R838
R808
Q802
R809
D805
C817
CNP802
D806
R861
D808
Q803
R843
R845
R846
R852
R831
R830
R835
D810
Q808
R851
Q804
C821
Q806
Q807
D803
R837
R827
R824
R814
R826
R857
R825
R833
R854
R822
IC805
C803
Q805
R834
R832
R849
C804
R848
R847
C814
C813
X802
X801
R839
R821
C805
R815
Q810
R842
IC804
R841
R840
C818
R853
R855
C808
C809
C807
Q809
Q809
R813
R836
R823
IC801
R802
R850
D802
C
N
P3
92
C
N
P39
3
C
N
P39
5
C341
C338
R137
R237
JW323
D958
D954
D957
Q322
D953
Q957
 
 
 
R227
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C138
R858
R860
R862
D811
D812
 
 
JW875
 
R844
C816
IC803
LCD801
LIQUID CRYSTAL DISPLAY
CNP804
E
C
B
E
C
B
B C E
B C E
B
C
E
B C E
E
C
B
E
C
B
E
C
B
E C B
 
E C B
B C E
E
C
B
E C B
B C E
E
C
B
E
C
B
E
C
B
B
C
E
B
C
E
B C E
B C E
E
C
B
E C B
E C B
1
1
2
2
6
5
8
7
1,2
3,4
–
+
1
2
4
3
1
2
4
5
5-11. PRINTED WIRING BOARD  – MAIN SECTION –  • Refer to page 18 for Circuit Boards Location.
 D321
G-5
 D322
G-5
 D324
F-6
 D802
A-4
 D803
B-4
 D804
B-4
 D805
B-4
 D806
B-4
 D807
B-4
 D808
B-4
 D809
B-5
 D810
B-5
 D811
B-3
 D812
B-2
 D951
H-2
 D952
G-3
 D953
G-2
 D954
H-2
 D955
H-3
 D957
H-3
 D958
H-1
 IC321
G-8
 IC322
G-6
 IC323
H-8
 IC324
H-5
 IC325
E-2
 IC801
C-3
 IC802
C-4
 IC803
B-9
 IC804
A-5
 IC805
C-6
 Q121
H-9
 Q122
E-3
 Q221
H-8
 Q222
E-3
 Q321
H-6
 Q322
G-3
 Q323
G-3
 Q324
H-6
 Q325
H-6
 Q326
H-6
 Q327
H-5
 Q328
F-2
 Q329
E-2
 Q801
E-5
 Q802
F-5
 Q803
F-5
 Q804
F-6
 Q805
B-6
 Q806
A-4
 Q807
A-4
 Q808
B-4
 Q809
B-3
 Q810
B-5
 Q812
B-5
 Q813
B-5
 Q815
B-6
 Q818
C-3
 Q819
C-3
 Q951
H-1
 Q952
H-2
 Q953
H-1
 Q954
H-2
 Q955
H-2
 Q956
H-2
 Q957
H-3
Ref. No.
Location
z
 Semiconductor
   Location
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Abbreviation
CND : Canadian
MX
: Mexican
E4
: 110-120V/220-240V AC changeable
E92
: Central and South America
28
28
CFD-G70
IC802
R802
C824
R801
R803
Q804
KH801
R816
R817
CNP802
IC801
C803
C804
R808
R828
R860
R818
R862
R821
R822
R823
R824
R825
R826
R827
R830
R831
R832
R833
R834
R835
R846
R845
R843
R840
R841
R842
R838
C814
C813
X802
R857
R856
R855
R853
C818
D810
R850
R849
R848
R847
C816
LCD801
CNP804
CNP803
C805
C807
R807
R813
C808
C809
R815
R858
R809
D804
Q807
R837
R836
D803
D802
R851
D805
C817
R854
D806
D807
R861
C821
IC805
R852
D809
R814
X801
R859
R810
R811
CNP805
IC803
R844
R805
S801
Q801
Q802
Q803
R804
R806
Q806
Q808
Q809
D811
D812
D808
Q810
Q813
Q812
Q815
IC804
R839
CNP801
Q818
Q819
Q805
KH802
CXP83620-031Q
4.7k
1k
100k
KRA107M-AT
6P
1k
1k
14P
S-81233SGY-Z
0.01
1
50V
10k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
4.7k
4.7k
4.7k
1k
1k
1k
1k
22p
22p
4MHz
4.7k
1k
47k
10
50
1SS133T-77
10k
10k
10k
3.3k
0.022
25P
25P
220
10V
0.01
470k
470
10p
10p
470
1k
10k
1SS133T-77
KRA107M-AT
10k
10k
1SS133T-77
1SS133T-77
3.3k
1SS133T-77
1
50V
10k
1SS133T-77
1SS133T-77
1k
47
10V
BR24C01A
4.7k
1SS133T-77
2.2k
153KHz
2.2k
10k
10k
9P
SPS-442-E
47k
1/4W
47k
KRC107M
KTA1271Y
KRC107M
10k
KRC107M
KRC107M
KRC107M
1SS133T-77
MTZN-T-77-20B
RD5.6ESB2
KRC107M
KRC102M
KRC110M
KRC107M
PST9128-T
9P
KRA107M
KRA107M
KRC107M
5P
U-COM(VDD)
D.GND
A-MUTE
V.LAT
VDD(SW)
R-VT
P.GND
ST.GND
BATT.COM
AC-HI
GND
AUDIO 6V
MT-CONT
PCON
COM 3.3V
TUNER-L
TUNER-R
SUR ON/OFF
V.DATA
TAPE-R
TAPE-L
V.CLK
CD-R
CD-L
LINE(REC)-R
LINE(REC)-L
TC-PLAY
WOOFER 2
WOOFER 1
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
COM0
COM1
COM2
COM3
*
RESET
SYSTEM CONTROL
TAPE
GND
R_OUT
L_OUT
REC
6V
CD IN-L
CD IN-R
CD
ISS 1
ISS 2
RMC
R-COUNT
R-DATA
R-CLOCK
V-LATCH
V-DATA
V-CLOCK
P-CON
KEY-1
KEY-2
KEY-3
MODE CHECK
RST
EXTAL
XTAL
VSS
VL
VLC3
VLC2
VLC1
COM 3
COM 2
COM 1
COM 0
SEG 1
SEG 0
SEG 2
SEG 3
SEG 4
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
TC-PLAY
ISS2
ISS1
NC
TEX
TX
VDD
RADIO
TAPE
A-MUTE
INIT
REG CHK
ST.GND
GND
R-VT
R-CH
L-CH
RADIO 6V
SCL
SDA
CD
REC
VM
VH
WOOFER1
WOOFER2
LIGHT CONT
EC
ADJ
RADIO
MUTE
MODE CHECK
BATTERY CHECK
R-CE
R-MUTE
CD
DOOR
C-FSEQ
C-CE
C-CL
C-DRF
C-RES
C-DO
C-DI
WRQ
KEY-2
P.GND
CD6V
FSEQ
DRF
DO
WRQ
CL
CE
DI
RES
R-OUT
L-OUT
D.GND
CD3.3V(D)
SUR ON/OFF
Q808,809
Q806,807
Q810
Q803,804
Q801,802
Q818,819
WOOFER
GAIN
CONTROL
LED
Q812,813,
815
OPE/BATT
6V
SUR LED
WOOFER-1 LED
WOOFER-2 LED
KEY-3
KEY-1
GND
R-COUNT
R-DATA
R-CLOCK
R-CE
R-MUTE
1
5
11
1
2
1
6
1
5
10
14
1
5
1
5
10
15
20
25
1
5
10
15
20
25
1
5
9
OPEN/CLOSE
(
(
CD DOOR
EEP ROM
+3.3V REG
SDA
SCL
WP
VCC
GND
A2
A1
A0
REMOTE
CONTROL
RECEIVER
LIQUID
CRYSTAL
DISPLAY
+B SWITCH
+B SWITCH
SWITCH
DRIVER
*
R856
680
4.7k
E4
US,CND,E92,MX
E4
US,CND,E92,MX
BOARD
BOARD
(2/2)
BOARD
MAIN
BOARD
BOARD
TUNER
CNP1
BOARD
TUNER
CNP1
CD
CONTROL
CNP401
TC
CN303
CNP702
5-12. SCHEMATIC DIAGRAM  – MAIN SECTION (1/2) –  • Refer to page 36 for notes.  • Refer to page 37 for Waveforms.
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