DOWNLOAD Sony CFD-G700CP / CFD-G770CP / CFD-G770CPK Service Manual ↓ Size: 5.48 MB | Pages: 70 in PDF or view online for FREE

Model
CFD-G700CP CFD-G770CP CFD-G770CPK
Pages
70
Size
5.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-g700cp-cfd-g770cp-cfd-g770cpk.pdf
Date
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Sony CFD-G700CP / CFD-G770CP / CFD-G770CPK Service Manual ▷ View online

41
41
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
7-14. SCHEMATIC DIAGRAM  – MAIN (3/3), CONTROL SECTION –
40
40
40
40
40
40
40
39
*
CNJ403
CNJ404
CNJ405
CNJ406
CNJ407
CNJ408
IC891
R404
R405
R406
R407
R412
R411
R413
R414
R415
R410
R421
R422
R425
R403
R401
R402
R423
R424
R400
R399
R408
R443
R416
R417
R475
KH407
KH408
KH406
KH405
R455
R458
R459
R466
CNP401
C152
C153
C252
C253
C402
C415
C416
C417
C418
C419
C420
C422
C423
C427
IC401
Q403
Q406
Q407
R418
R419
R430
R431
R432
R433
R434
R435
R436
R437
R438
R440
R441
R444
R445
R446
R447
R489
R494
CN801
CN802
HK402
R469
C401
R428
D406
LCD401
S408
S410
S403
R471
R472
D403
D404
D405
D408
D407
D411
D409
D410
R449
R450
R476
R487
R478
R479
S411
S412
S404
S418
S420
S407
S409
S415
S416
S421
S417
S419
S401
S402
S414
S405
S406
S413
C425
C426
C254
C154
C433
C431
D414
D415
Q402
Q401
R470
C424
C421
Q405
R439
R429
C432
2P
2P
2P
2P
2P
2P
RPM7140-V4
1k
2.2k
1k
2.2k
470
220
1k
1k
2.2k
220
470
1k
2.2k
1k
220
470
1k
2.2k
220
470
1k
1k
2.2k
1k
220k
2P
2P
3P
2P
100
100
100
100
2P
19P
19P
2P
100k
1
220
L-34HD
SWITCH
SWITCH
SWITCH
220
220
IL4345V22D0TDT02
IL4345V22D0TDT02
IL4345V22D0TDT02
IL4345V22D0TDT02
IL4345V22D0TDT02
IL4345V22D0TDT02
IL4345V22D0TDT02
IL4345V22D0TDT02
220
220
220
220
220
220
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
*
50V
*
50V
10V
50V
50V
50V
10V
10V
22
25V
50V
BA3837
RT1N144C-TP-1
RT1N144C-TP-1
RT1N144C-TP-1
1k
47k
47k
470
1k
47k
1k
4.7k
2.2k
1k
1k
470
220k
100k
4.7k
470
47k
47k
47k
50V
220p
220p
100p
100p
1SS355WTE-17
MC2836-T112-1
2SC3052EF
-T1-LEF
2SC3052EF
-T1-LEF
470
50V
50V
2SC3052EF
-T1-LEF
470
2.2k
100p
• See page 44 for IC Block Diagram.
42
42
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
7-15. PRINTED WIRING BOARDS  – POWER SECTION –
   • 
 :Uses unleaded solder.
• See page 27 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D901
C-7
D902
C-6
D903
C-7
D904
C-6
5
1
4
1
C928
C901
C902
C903
C904
C927
KH902
KH903
JW274
JW402
FH902
J901
~AC IN
F902
FH901
Built in Transformer
Not Replaceable:
*
*
T901
POWER TRANSFORMER
D901
D902
D903
D904
C909
JW942
JW941
CNP941
JW944
JW943
G
MAIN BOARD
CNP301
(Page 36)
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS,12V
1
2
A
B
C
D
E
F
3
4
5
6
7
8
43
43
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
7-16. SCHEMATIC DIAGRAM  – POWER SECTION –
39
*
4
1
4
1
FH901
FH902
JW941
JW942
JW943
JW944
F902
*
KH902
CNP941
KH903
T901
J901
C928
C927
C909
D904
D903
C904
C903
C902
D902
D901
C901
HOLDER FUSE
HOLDER FUSE
JW
JW
JW
JW
FUSS GLASS TUBE
4P
4P
5P
1
1
2200
25V
1N5401-C352
1N5401-C352
0.022
0.022
0.022
1N5401-C352
1N5401-C352
0.022
POWER
TRANSFORMER
44
44
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
• Waveforms
– BD90 Board –
– TC Board –
– TUNER Board –
– MAIN Board –
1
  IC2 
w;
 (XOUT)
13.3 
µ
s
1.5 Vp-p
500 mV/DIV, 5 
µ
s/DIV
1
  Q301 
C
 (REC)
19.5 
µ
sec
19.5 
µ
sec
4 Vp-p
1 V/DIV, 5 
µ
s/DIV
2
  T301, HRP301 (YEL)
40 Vp-p
10 V/DIV, 5 
µ
s/DIV
1
 
IC801
 
os
 
(X1)  
3.4 Vp-p
180 ns
1 V/DIV, 100 ns/DIV
1
  IC101 
ia
 (RFi)
       (CD PLAY mode)
1.3 Vp-p
200 mV/DIV, 500 ns/DIV
2
  IC101 
wf
 (XO)
       (CD PLAY mode)
59.1 ns
3.3 Vp-p
1 V/DIV, 20 ns/DIV
•
IC Block Diagrams
IC201  TK63115SCL-G@GT
– BD90 Board –
VIN 1
GND 2
VOUT
3
V REF
ON/OFF
CONTROL
THERMAL &
OVER CURRENT
PROTECTION
VCONT
5
4 NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VOL(+)
VOL(-)
RESET
OPIN
VO1(-)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VOL(-)
GND
OPOUT
MUTE
VCC
VCC
13.3K
13.3K
13.3K
13.3K
100
10K
10K
10K
T.S.D.
REGULATOR,BIAS
DROP
VO3(-)
VO3(+)
CH3
CH4
CH2
CH1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
VCC
INL3
INL4
AGND
DGND
REFIN
INL1
INR1
INR2
INR3
INR4
INL2
TREL
TRER
BASSL2
BASSL1
BASSR1
BASSR2
LOUT
ROUT
NC
NC
CLK
DATA
TONE CONTROL
BASS/TREBLE
SURROUND
INPUT
GAIN CONTROL
IGOUTR
IGOUTL
VOLINR
VOLINL
MUTE
MUTE
INPUT
GAIN
CONTROL
L ch
TONE CONTROL
BASS/TREBLE
R ch
MCU
I/F
0 - +12dB/2dB step
0 - +12dB
/2dB step
VOLUME
VOLUME
0 - -89dB.
0 - -89dB.
REF
INPUT
SELECTOR
INPUT
SELECTOR
SELECTOR
MODE
IC401  BA5826SFP-E2
IC321  R2S15904SP
– MAIN Board –
LOGIC
SW2
1
3
12
16
LOUT
V
CC
7
BIAS
8
GND
4
FK
SW1
L
L-R
R
L+R
5
TK
2
MIC
6
LIN
9 RIN
LP
11 LP
C
15 B
14 A
13 ROUT
10 LP
IC401  BA3837
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