DOWNLOAD Sony HCD-GX8000 / HCD-RG77 Service Manual ↓ Size: 6.84 MB | Pages: 71 in PDF or view online for FREE

Model
HCD-GX8000 HCD-RG77
Pages
71
Size
6.84 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gx8000-hcd-rg77.pdf
Date

Sony HCD-GX8000 / HCD-RG77 Service Manual ▷ View online

HCD-GX8000/RG77
31
31
7-10. PRINTED  WIRING  BOARDS  – SW/HEAD (A)/HEAD (B) Boards –
 See page 27 for Circuit Boards Location.
PM901
(DECK A)
PM902
(DECK B)
1
4
R
CN304
IC1001
(DECK A PLAY)
IC1002
(DECK B HALF)
(DECK B REC)
NO303
NO302
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
S
C
HPRE901
(REC/PB/ERASE HEAD)
(DECK B)
HP901
(PB HEAD)
(DECK A)
DECK A
HALF
M901
(CAPSTAN)
M
(DECK A REC)
(DECK B PLAY)
(Page 33)
(Page 33)
(Page 33)
• Semiconductor
Location
Ref. No.
Location
D1001
B-4
D1002
B-10
IC1001
B-2
IC1002
B-10
Q1001
B-3
HCD-GX8000/RG77
32
32
C
MAIN BOARD (3/4)
CN304
[3.3]
[3.3]
[
] {2.9}
<<2.9>>
[1.5]
{
} <<
>>
(CAPSTAN)
CAPSTAN MOTOR
CONTROL SWITCH
TAPE SPEED
(NORMAL)
TAPE SPEED
(HIGH)
ROTATION
DETECT
SENSOR (DECK A)
ROTATION
DETECT
SENSOR (DECK B)
+3.3V
+3.3V
CAPM
CAPM+
CAPMH/L
ATRGM+
TRGMGND
BTRGM+
S1001
(DECK A PLAY)
S1002
(DECK B PLAY)
S1003
(DECK A HALF)
S1005
(DECK A REC)
S1006
(DECK B HALF)
S1009
(DECK B REC)
C1001
33
10V
PM902
(DECK B)
PM901
(DECK A)
+3.3V
+3.3V
7-11. SCHEMATIC  DIAGRAM  – SW Board –
• Voltages are dc with respect to ground under no-signal
conditions.
[
] : TAPE PLAY (DECK A)
{
 } : TAPE PLAY (DECK B)
〈〈
 
〉〉
: REC
: Impossible to measure
(Page 36)
HCD-GX8000/RG77
33
33
IC501
IC601
IC303
IC301
IC302
IC951
IC961
IC101
IC201
IC102
IC911
MAIN BOARD
1-683-545-
11
(11)
FOR
CHECK
1
E
3
H
PANEL
BOARD
CN601
E
E
E
E
E
E
E
E
C
B
E
1
3
3
1
3
1
3
1
3
1
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
FOR
ADJUSTMENT
21
30
31
40
1
10
11
20
E
E
E
9
1
1
1
3
8
E
E
E
E
E
E
1
3
4
6
1
10
F
GAME IN
BOARD
NO606
C
SW
BOARD
CN1001
R
HEAD (A)
BOARD
CN1
S
HEAD (B)
BOARD
CN2
(CHASSIS)
1
13
K
POWER BOARD
CN503
1
13
G
POWER BOARD
CN502
21
1
22
42
1
3
E
E
E
E
E
E
1
3
2
D
GAME IN
BOARD
NO607
VIDEO OUT
J401
L
R
1
3
M
M901
(FAN)
MD/VIDEO
(AUDIO) IN
J750
CD DIGITAL OUT
OPTICAL
IC201
A
BD BOARD
CN101
B
DRIVER BOARD
CN701
TUNER UNIT
FM
75
AM
ANTENNA
∗ 
SUPPLIED WITH
                 THE ASSEMBLED BLOCK
A
B
C
D
E
F
G
H
I
J
K
1
2
3
4
5
6
7
8
9
10
11
12
13
EXCEPT
SP
7-12. PRINTED  WIRING  BOARD  – MAIN Board –
 See page 27 for Circuit Boards Location.
(Page 31)
(Page 31)
(Page 38)
(Page 31)
(Page 42)
(Page 30)
(Page 28)
(Page 38)
(Page 40)
(Page 40)
D121
E-9
D122
E-8
D501
E-3
D502
C-5
D503
E-3
D504
C-5
D505
B-2
D508
B-2
D509
E-3
D601
C-5
D602
B-4
D603
C-5
D841
F-8
D906
J-8
D907
J-8
D908
J-8
D909
I-8
D914
J-8
D915
J-8
D916
J-8
D917
I-8
D918
J-7
D919
J-7
D920
H-8
D921
H-8
D922
H-9
D923
J-7
D924
J-7
IC101
I-8
IC102
E-10
IC201
E-12
IC301
H-5
IC302
I-5
IC303
G-5
IC501
C-3
IC601
B-4
IC911
G-7
IC951
I-7
IC961
I-8
Q101
E-8
Q103
F-10
Q151
E-8
Q153
F-10
Q201
C-7
Q202
C-8
Q203
C-9
Q204
C-9
Q205
C-9
Q206
D-7
Q207
D-7
Q251
D-7
Q301
J-6
Q302
J-6
Q303
J-5
Q304
I-5
Q305
I-4
Q306
G-4
Q307
J-6
Q310
J-6
Q389
G-4
Q390
G-6
Q391
F-4
Q392
F-4
Q393
F-4
Q394
F-3
Q395
F-4
Q396
F-4
Q397
F-3
Q398
G-6
Q399
G-5
Q504
E-5
Q505
E-5
Q601
C-5
Q812
K-4
Q861
E-4
Q862
K-4
Q891
H-11
Q892
H-11
Q911
H-7
Q912
G-7
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
HCD-GX8000/RG77
34
34
C702
C140
C210 C209
C206
C207
C203
R204
R254
C189
R285
Q201
R284
C163
C161
C162
R151
R152
C159
C168
C155
C156
C153
C158
C160
R153
R162
C164
C165
R101
C109
C108
C106
C105
C118
C103
C150
C101
C112
R105
C110
C111
R103
C119
R104
R121
C121
D121
R190
C190
R191
C157
R155
C705
Q103
Q153
R163
R165
CN702
C703
C704
R154
C175
D122
C115
C114
C116
C117
Q251
R159
R701
R751 C751 R752
R702
C701
CN202
CN783
R150
C122
R122
R166
R164
R102
C125
R116
R113
R114
R115
J750
R156
D841
R157
EPT901
Q151
Q101
R180
C180
FB701
FB751
C200
C201
FB201
CN201
C228
C226
C224
R224
R226
R228
C202
C212
C211
Q207
Q206
Q205
Q202
R208
R206
R209
R207
IC201
J401
C752
R286
C113
R109
C104
R108
C205
FB203
FB204
Q204
Q203
R158
C154
R212
R217
R219
JW704
FB210
FB219
FB218
FB217
FB216
FB214
FB213
FB212
FB211
FB215
FB208
FB220
2.2
50V
0.1
0.1
470
10V
0.1
1000 6.3V
0.022
10k
10k
0.1
22k
2SC3661
470k
10
50V
0.0068
1
50V
2.2k
10k
0.022
10
50V
10
50V
10
50V
10
50V
0.022
0.033
10k
510
0.22
0.33
2.2k
0.022
0.022
10
50V
10
50V
10
50V
10
50V
10
50V
100
16V
1
50V
10k
0.033
0.0068
10k
10
50V
47k
1k
470p
1SS355
2.2k
10
50V
2.2k
0.47
50V
1M
0.1
2SC3661
2SC3661
1k
10k
11P
0.022
0.022
47k
4.7
50V
1SS355
0.33
0.22
100
16V
0.1
2SC3661
33k
1k
1k
220p 100k
100k
220p
10P
2P
2.2k
470p
1k
10k
47k
510
4.7
50V
10k
1k
47k
10k
2P
100k
1SS355
4.7k
2SC1623
2SC1623
10k
0.068
0.1
100
10V
21P
0.01
0.0047
0.47
2.2k
330k
100k
1000
6.3V
0.001
0.022
FN1F4M
FA1A4M
2SC1623
2SC1623
10k
10k
10k
10k
TOTX141
1P
2.2
50V
22k
10
50V
33k
10 50V
1k
0.022
2SA812
2SA812
1k
10 50V
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
C1
C3
C4
C6
C7
C8
24
26
28
43
35
37
40
32
34
33
19
27
25
23
22
3
2
21
81
82
44
45
46
47
48
49
36
50
AA1
AA2
AA3
AA4
AA1
AA2
AA3
AA4
ZZ1
ZZ2
ZZ3
D.GND
D-OUT
3.3V
GM(V)-GND
GM(V)-SIG
D-0UT
R-CH
L-CH
M-GND
X-RST
X-LAT
SENS
SQ-CLK
SQ-DATA
SCOR
CD-DATA
CD-CLK
M+7V(UNSW)
PWM3
PWM2
PWM1
LD-ON
DSP-GND
RF-GND
DSP+5V(SW)
RF+5V(SW)
D.GND
TBL ADDRESS SW
BU UP/DOWN SW
MGND
M+7V
OPEN SW
CLOSE SW
D+3.3V
MTR CNT2(LOAD IN)
MTR CNT1(LOAD OUT)
ST-CLK
ST+10V
TUNED
ST-CE
STEREO
ST-L
A-GND
ST-R
ST-MUTE
ST-DOUT/MC-DIN
ST-DIN /MC-DOUT
(1/4)
MUTING
MUTING
(CHASSIS)
*
AM
ANTENNA
TUNER
UNIT
FM
75
THE ASSEMBLED
BLOCK
*SUPPLIED WITH
FEED BACK
SWITCH
FEED BACK
SWITCH
MUTING
MUTING
Q206,207
MUTING CONTROL
SWITCH
SWITCH
Q202-205
LASER DIODE ON
OPTICAL
TRANSCEIVER
R
L
(AUDIO)IN
OPTICAL
VIDEO OUT
MD/VIDEO
CD DIGITAL OUT
L201
100
µ
H
IC102
M61519FP
INPUT SELECT
SWITCH,
TONE CONTROL,
ELECTRICAL
VOLUME
7-13. SCHEMATIC  DIAGRAM  – MAIN Board (1/4) –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
(
) : CD PLAY
(Page 39)
(Page 29)
(Page 30)
(Page 36)
(Page 37)
(Page 35)
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