Sony HCD-GN700 / HCD-GX8800 / MHC-GN700 / MHC-GX8800 Service Manual ▷ View online
HCD-GN700/GX8800
45
45
7-16. SCHEMATIC DIAGRAM – POWER AMP Boards –
(Page 47)
R501
R551
R504
D501
D551
R509
R559
R582
R581
C581
R561
Q506
Q505
R524
R520
C544
C545
R592
R533
R532
JW566
JW567
D506
Q510
R527
R528 R529
R530
C516
D510
D507
JW
885
CN503
CN504
D502
R508
R558
NO502
R578
C502
C552
C501
C551
C554
C504
R512
R517
R516
R513
R515
R514
D581
R519
C559
C509
R521
R522
Q514
C512
RY501
R545
C524
C523
RY502
R548
R547
D511
JW
884
JW890
JW886
TH502
R571
TH501
JW891
JW887
R577
JW927
JW871
C596
R531
R555
R556
R557
R507
Q501
Q551
D503
D504
C503
R503
R553
C553
R511
D543
C546
R542
EP501
C513
C542
R541
C592
R591
C591
C541
R523
R502
R552
R554
R518
R506
JW926
C527
R565
R564
D509
D508
C517
R546
R573
R566
R567
R570
R569
Q581
Q504
Q517
Q516
R572
R568
Q518
Q513
Q515
C526
C507
C508
Q511
C558
C557
EP502
R505
D541
R540
R539
IC501(1/2)
IC501(2/2)
Q503
1k
1k
47k
1SS133T
-72
1SS133T-72
10
1/2W
10
1/2W
33k
33k
22 50V
100
1/4W
FR
2SC2785
2SC2785
3.3k
1W
3.3k
1W
0.1
100V
0.1
100V
100k
47k
100k
1SS133T
2SC2785
56k
47k
22k
22k
100
10V
1SS133T
1SS133T
13P
6P
1SS133T
0.1
5W
5W
0.1
5W
560k
1000p
1000p
4.7
50V
4.7
50V
100
10V
10V
100
10V
10V
1
1/4W
FR
10k
10k
33k
22k
2.2k
1SS133T-72
68k
22
100V
22
100V
100k
100k
2SC2785
0.01
RELAY
24V
1k
0.01
25V
0.01
25V
47k
47k
1SS133T
47k
100
2200
100V
330k
820
33k
100k
100k
2SC1841
OVER LOAD
DETECT
2SC1841
OVER LOAD
DETECT
MTZJ-T-72-18C
MTZJ-T-72-18C
220p
330
330
220p
100
1/4W
FR
D5SBA20
2200
100V
100k
TERMINAL, EARTH
0.01
3300
50V
100k
3300
50V
100k
0.1
0.1
100k
47k
47k
47k
33k
33k
0.01
25V
22k
22k
1SS133T
1SS133T
10
50V
22k
100k
10k
10k
10k
47k
2SC1841
STANDBY
STANDBY
SWITCH
2SC1841
STANDBY
STANDBY
SWITCH
2SA1175TP-HFE
2SC2785
100k
10k
2SC2785
FAN MOTOR
ON SWITCH
2SC2785
2SA1175TP-HFE
10
50V
0.068
0.068
2SC2785
RELAY
SWITCH
0.068
0.068
EARTH
820
D5SBA204101
STK412-150
POWER AMP
POWER AMP
2SA988TP-PAFAEA
STANDBY
SWITCH
R CH
L CH
R CH
R GND
L CH
L GND
REAR R-CH
REAR L-CH
VH
VH
VL
VL
REAR R GND
*1
*1
+
+
+
–
–
–
–
+
R
L
R
L
(IMPEDANCE USE 6-16Ω)
FRONT SPEAKER
(IMPEDANCE USE 24Ω)
SURROUND SPEAKER
TM501 8P
RELAY DRIVE
FRONT SPEAKER
RELAY DRIVE
FRONT SPEAKER
SWITCH
OVER
LOAD
LOAD
DETECT
SWITCH
DETECT
Q505,506,514
TEMPERATURE
RELAY DRIVE
SURROUND SPEAKER
PROTECT
RELAY DRIVE
SURROUND SPEAKER
PROTECT
GX8800
GN700
*1 R539,540
560/2W
680/2W
STK412-150
HCD-GN700/GX8800
46
46
7-17. PRINTED WIRING BOARDS – TRANS Board –
•
See page 26 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D971
B-4
D972
B-6
D973
B-6
D974
C-6
D975
C-6
D977
D-3
IC971
A-5
Q971
B-4
F978
F975
F977
R952
JW906
JW907
JW908
JW909
F974
PL002
PL008
R941
D977
C941
CN997
CN998
F976
PL009
JW912
JW911
JW913
NO973
JW928
JW929
C971
T972
S901
IC971
D974
D975
C973
D971
Q971
RY971
CN974
C975
C976
C977
JW921
D972
D973
C978
R974
R975
PL001
PL004
JW920
JW924
JW923
JW925
GX8800
GX8800
GN8800
B100
CN976
CN971
E
TRANS BOARD
SUB TRANS BOARD
11
(11)
1-686-930-
11
(11)
1-686-931-
1
2
3
4
1
1
7
1
6
4
1
4
1
3
1
2
GN700
GN700
AC IN
120V
220V
230-240V
t
t
VOLTAGE SELECTOR
*
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
T910
POWER TRANSFORMER
H
O
MAIN
BOARD
(Page 36)
POWER AMP
BOARD
(Page 44)
F
MAIN
BOARD
(Page 36)
GX8800
GN700
GN700
GN700
2
3
4
5
6
7
A
1
B
C
D
E
F
HCD-GN700/GX8800
47
47
7-18. SCHEMATIC DIAGRAM – TRANS Board –
CN974
D975
D973
D972
D974
CN998
CN976
RY971
D971
C975
R975
C973
R974
C978
C977
C976
C971
JW920
T972
CN997
JW928
JW929
R952
C941
D977
JW924
JW923
JW925
S901
JW912
JW911
JW913
T910
IC971
Q971
CN971
NO973
JW910
R954
F976
F977
F974
F975
F978
R941
2P
VH
11ES2
11ES2
11ES2
11ES2
1SS133T
2200
16V
10k
100
16V
16V
100k
0.1
0.1
0.1
10000p
0.15
1/4W
100
63V
11ES2
TA7804LS
+3.9V REG
2SC2785
3.3M
1/2W
1
*3
*2
*2
*1
*1
*3
VOLTAGE SELECTOR
120V
220V
230-240V
POWER
TRANSFORMER
BUILT IN TRANSFORMER
NOT REPLACEABLE:
*
*
AC IN
*2 NO973
4P
2P
4P
2P
*3 CN971
RELAY DRIVE
POWER ON/OFF
GN700
GX8800
GN700
GX8800
GX8800
GX8800
GN700
GN700
GX8800
GN700
GX8800
*2 F976,977
8A/125V
T8AL/250V
GX8800
GN700
GX8800
GN700
6.3A/125V
T6.3AL/250V
*1 F974,975
GX8800
GN700
*3 F978
4A/125V
T4AL/250V
GX8800
GN700
GN700
GN700
GX8800
GX8800
HCD-GN700/GX8800
48
48
7-19. IC Block Diagrams
IC103
CXA2647N-T4 (CD BOARD)
IC101
CXD3068Q (CD BOARD)
IC701
BA6956AN (DRIVER BOARD)
IC712
BA6956AN (DRIVER BOARD)
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
CE
RFDC
ADIO
IGEN
ASYO
ASYI
RFAC
CLTV
FILO
FILI
PCO
BIAS
VCTL
V16M
VPCO
TE
ASYE
MD2
DOUT
DOUT
LRCK
PCMD
BCK
EMPH
XTSL
XTAI
XTAO
SOUT
SOCK
XOLT
SOCK
XOLT
SQSO
SQCK
SQCK
SCSY
SBSO
EXCK
EXCK
XRST
MUTE
DATA
XLAT
CLOK
SENS
SCLK
ATSK
W
FCK
XUGF
XPCK
GFS
C2PO
SCOR
CAM
WDCK
COUT
MIRR
SE
FE
VC
FE
VC
TES1
TEST
TEST
FFDR
TRDR
TFDR
SRDR
SFDR
FSTO
SSTP
LOCK
PWMI
PWMI
FOK
FRDR
MDP
DFCT
CLOCK
GENERATOR
ASYMMETRY
CORRECTOR
CORRECTOR
DIGITAL
PLL
CPU
INTERFACE
INTERFACE
CORRECTOR
PROCESSOR
SUB CODE
RAM
32K
DEMODURATOR
EFM
ERROR
D/A
DIGITAL
OUT
INTERFACE
SERVO
INTERFACE
SERVO
AUTO
MIRR
DFCT
DFCT
FOK
SERVO
FOCUS
SERVO DSP
SERVO
SERVO
SLED
TRACKING
FOCUS PWM
GENERATOR
GENERATOR
GENERATOR
GENERATOR
SLED PWM
TRACKING PWM
A/D
CONVERTER
OPAMP
ANALOG SW
PWM GENERATOR
DIGITAL
CLV
SERVO BLOCK
IC150
BA5974FM-E2 (CD BOARD)
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAP
AIN1
CAP
AIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAP
AIN3
GND
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
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