Sony HCD-GN700 / HCD-GX8800 / MHC-GN700 / MHC-GX8800 Service Manual ▷ View online
HCD-GN700/GX8800
29
29
– TUNER/TAPE DECK Section –
TAPE L-CH
TEST
CONNECTOR
CN301
R-CH
R
L
C
MAIN/POWER
SECTION
TUNER L – CH
E
MAIN POWER
SECTION
REC L-CH
D
MAIN/POWER
SECTION
PB
HEAD
DECK-A
DECK-B
TC BLOCK
32
BIAS OSC
Q302, 303
RIPPLE
FILTER
Q301
A TRIG
DRIVE
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
: TUNER (FM/AM)
R-CH
FM/AM TUNER UNIT
CN304
ANTENNA
ST-L
FM ANT
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DOUT/MC-DIN
ST-DIN/MC-DOUT
ST-CLK
ST-CE
FM
75Ω
CAP M+
BTRGM+
ATRGM+
AHALF
BHALF
APLAY
BPLAY
BSHUT
ASHUT
ASHUT
REC(FWD)
REC(REV)
CAPM-CTRL
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
A-PLAY
B-PLAY
B-SHUT
A-SHUT
A-SHUT
A REC, FWD
B REC, REV
REC BIAS
PB-A/B
ALC
REC-MUTE
TC-MUTE
AMS-IN
AM
• R-ch is omitted due to same as L-ch.
93
EQ OUT1
A
B
120
ST-MUTE
STEREO
TUNED
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ST-CE
BIAS
TRAP
REC
BIAS(L)
34
1
2
3
4
28
27
26
24
21
56
53
54
51
52
63
60
66
90
89
61
68
91
67
55
59
B TRIG
DRIVE
58
CAP MOTOR
DRIVE
57
100
85
86
97
87
65
88
13
12
11
15
14
BUFFER
Q304,305
HPF
R-CH
PB OUT1
TAI1
REC IN1
MUTE
Q306,389
AMS DETECT
Q390, 398, 399
R-CH
R-CH
L – CH
R – CH
R-CH
R-CH
SWP1
GND
SWR1
AIN1
BIN1
RV304
REC(L)
LEVEL
RV301
C333, L301
TC A+9V
REC/PB SWITCH
IC302
REC/PB
HEAD
ERASE
HEAD
A/B
NORM/HIGH SPEED
ALC ON/OFF
REC MUTE ON/OFF
MUTE ON/OFF
IC303
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
Q307,310
T301
Q391, 392
Q395, 396
Q393,394
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC501(2/4)
REC-OUT1
+
L – CH
R – CH
EQ
HCD-GN700/GX8800
30
30
– MAIN/POWER Section –
AUDIO–DATA
AUDIO–CLK
79 80
M891
(FAN)
(FAN)
+
–
+
+
–
+
–
–
+
FRONT SPEAKER
IMPEDANCE
USE 6–16Ω
L
R
SURROUND
SPEAKER
IMPEDANCE
USE 24Ω
L
R
PHONES
J631
RY501
D508
D509
VL (AC)
VL (AC)
SYSTEM CONTROLLER
IC501 (3/4)
R-ch is omitted due to same as L-ch.
CD L-CH
A
CD SECTION
TAPE L-CH
C
TUNER L-CH
E
TUNER/TAPE DECK
SECTION
TUNER/TAPE DECK
SECTION
TM501
D507
D511
FAN MOTOR
DRIVE
Q851, 852
FAN MOTOR
ON SWITCH
Q518
OVER LOAD
DETECT SWITCH
Q510
OVER LOAD
DETECT
Q501, 551
M
HEADPHONE MUTING
Q671, 624
MUTING CONTROL
SWITCH
Q652
RY502
+
+
TH502
Q602
TH501
+
D502
MUTING
Q620
MUTING CONTROL
SWITCH
Q650, 651
STANDBY
SWITCH
Q503, 504, 581
R-CH
D130
R-CH
R-CH
18
15
17
OUT1
VOLIN1
14
22
21
TOUT1
VOLUME
CONTROL
SOUND
CONTROL
CIRCUIT
INPUT
SELECT
SWITCH
8
+
R-CH
R-CH
R-CH
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC102
IND1
INB1
INA1
INC1
6
4
3
2
INEX1
BB B1
BB A1
RECB1
SAOUT
DATA
CLOCK
7
5
MIC
+
CPU
INTERFACE
R-CH
J117
L
R
VIDEO/MD
(AUDIO) IN
R-CH
A+9V
RV722
J601
J761
L
R
GAME
INPUT
REC L-CH
SPEANA
D
TUNER/TAPE DECK
SECTION
F
DISPLAY SECTION
MIC
AUDIO
VIDEO OUT
VIDEO
J721
MIC AMP
IC722 (1/2)
FEED BACK
SWITCH
Q101
SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: TAPE PLAY
: VIDEO/MD (AUDIO) IN
: GAME INPUT (AUDIO)
: GAME INPUT (AUDIO)
: GAME INPUT (VIDEO)
: REC
: MIC INPUT
SURROUND
SPEAKER PROTECT
RELAY DRIVE
Q513, 515
FRONT SPEAKER
RELAY DRIVE
Q516, 517
POWER AMP
IC501
OVER CURRENT
PROTECTOR
IC502
MIC
LEVEL
MIC AMP
IC722 (2/2)
RELAY
SWITCH
Q511
OVER LOAD
DETECT SWITCH
Q385
83
FRONT-RELAY
77
LINE-MUTE
84
LINK-RELAY
76
HP MUTE
50
HP DETECT
78
PROTECTOR
81
VACS IN
75
STK-MUTE
TEMPERATURE
DETECT SWITCH
Q505, 506
19
16
14
18
11
10
8
9
12
4
3
+
CT
OUT
1 OCP
2 VP
BIAS
Q721
TEMPERATURE
DETECT SWITCH
Q514
HCD-GN700/GX8800
31
31
FL601
FLUORESCENT
INDICATOR TUBE
8 – 10, 12 – 22,
24 – 41, 43 – 46
6 – 1, 100 – 95,
92 – 87
P1 – 36
1G – 13,
G16 – 21
64 – 66
SUPER LOW
FREQUENCY (BPF0)
FREQUENCY (BPF0)
2
BPF, RECT
IC101
BPF, RECT
IC102
67
70
1
2
7
6
69
68
48
93
72
94
BPF3
BPF1
BPF2
VKK
SELECTOR
G15
G15
G14
G14
G1 – 13, 16 – 21
6
1
7
80 VOL 1A
79 VOL 1B
ROTARY
ENCODER
S748
VOLUME
X
MAIN/POWER
SECTION
F
CD
SECTION
B
SPEANA
P1 – 36
VF1
VF2
VF2
D610
D101
D102
-VG
(-32V)
X601
4MHz
83 X1
82 X0
52 – 59, 73
LED DRIVE
Q602 – 604,
Q1001 – 1006
D603, 605, 601
D1002, 1004, 1006
D1008, 1010, 1012
D1002, 1004, 1006
D1008, 1010, 1012
D602, 606, 604
D1001, 1003, 1005,
D1007, 1009, 1011
D1001, 1003, 1005,
D1007, 1009, 1011
M+9V
Q606
Q601
Q605
Q707
D748
KEY2
|
KEY0
S782 – 792, 779
S765 – 772, 773
S751 – 763
S765 – 772, 773
S751 – 763
60
IIC DATA
D+3.3V
CN501
D+3.3V
IIC-CLK
IIC
PROGRAM
IIC-DATA
3
2
4
61
IIC CLK
77
RESET
30 IIC-DATA
29 IIC-CLK
41
31
9
GC-RESET
TXD1
TXD1
CNVSS
CNVSS
MCU VCC
CN502
CNVSS
TXD1
TXD1
RTS1
ON BOARD
PROGRAM
PROGRAM
CLK1
RXD1
RESET
MCU VCC
CN VSS
SQ-CLK
SENS
SQ-DATA
SQ-DATA
74 POWER-KEY
73 DISPLAY-KEY
S749
S750
DISPLAY
39 STBY-LED
4 SIRCS
X502
16MHz
15 X-IN
13 X-OUT
X501
32.768kHz
10 XC-IN
11 XC-OUT
23
CD-POWER
SYSTEM CONTROLLER
IC501 (4/4)
27
STBY-RELAY
12
RESET
20
AC-CUT
B+ SWITCH
Q901, 902
RECT
D901
D901
+3.3V
REGULATOR
IC904
M +9V
M +7V
A +9V
TC +9V
D913 – 915
D502
D504
D501
D503
+3.9V
REGULATOR
IC903
+3.9V
REGULATOR
IC971
D +3.9V
+9V
REGULATOR
IC902
+9V
REGULATOR
IC901
CD D+3.3V
CD A+3.3V
LEVEL
DETECT
IC601
D505
RECT
D909 – 912
RECT
D972 – 975
LED DRIVE
Q748
T972
SUB POWER
TRANSFORMER
RECT
D541
D541
RECT
D543
D543
+VL
VL(AC)
VL(AC)
VL(AC)
F974
VL
VL
VH
VH
VP
VF
VF
AC3
AC4
AC4
AC3
GND
F975
F976
F977
F978
R941
–VL
+VH
–VH
– 33V
REGULATOR
Q903
POWER ON/OFF
RELAY DRIVE
Q971
– VG
(-32V)
D977
RECT
RECT
VF1
VF2
RY971
AC IN
T910
MAIN POWER
TRANSFORMER
RESET
SWITCH
Q601
REMOTE CONTROL
RECEIVER
IC603
TO FLUORESCENT
INDICATOR TUBE
FL601
MCU VCC
VREF
EVER +3.9V
S901
S901
GN700
GX8800
120V
|
220V
|
230 – 240V
DISPLAY CONTROL
KEY CONTROL
IC601
BUFFER
Q807, 808
D103
D104
BAFFER, RECT
Q100, D105
71 ALL_BAND
3
2
6
9
7
5
8
R952
VOLTAGE
SELECT
– DISPLAY Section –
HCD-GN700/GX8800
32
32
7-3.
PRINTED WIRING BOARD – CD Board –
•
See page 26 for Circuit Boards Location.
C150
C273
C260
C206
C292
C256
FB104
C255
C274
C250
R279
C263
R271
FB102
C269
C259
C262
C261
C265
FB107
C131
R151
C108
R215
R152
C224
Q101
C109
C202
R156
C132
C230
C117
R214
C222
FB291
C264
C158
C215
C118
C223
C216
R201
R276
C119
R202
C151
R203
R219
IC121
C226
C133
C113
C276
R123
R122
C114
FB103
C231
C229
C115
C111
R277
R280
C279
C275
1
2
3
E
11
(11)
1-686-782-
CD BOARD (SIDE A)
FB106
C249
R212
R254
CN101
R249
R259
R101
R255
R257
C271
R272
C266
R275
C257
C270
R251
R250
R216
C203
C253
C252
C267
R266
R265
C251
C268
R260
C227
X201
R204
R102
C209
R104
R126
R207
R118
C212
C211
R232
R153
R132
R252
R125
C102
R114
R103
R218
R117
R113
R105
IC150
C101
C254
R131
R155
IC103
C110
C103
IC101
IC104
C152
R133
R111
R206
R231
R205
C104
C258
C208
FB101
C116
C107
R213
R230
R220
R120
C213
R253
C205
CN102
L101
R233
CD BOARD (SIDE B)
11
(11)
1-686-782-
OPTICAL
PICK-UP
BLOCK
(KSS–213DCP)
A
MAIN
BOARD
(Page 36)
1
14
28
15
41
40
21
61
80
60
20
1
1
16
48
64
49
17
32
33
M102
SPINDLE
MOTOR
M101
SLED
MOTOR
M
M
S101
(LIMIT)
16
30
15
1
TP7(DVD)
TP5(RFAC)
TP2(TE)
TP4(FE)
2
3
4
5
6
7
8
A
1
B
C
D
E
IC101
B-6
IC103
C-6
IC104
C-7
IC121
D-2
IC150
B-5
Q101
D-3
• Semiconductor
Location
Ref. No.
Location
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