Read Sony HCD-GX470 / HCD-GX570 (serv.man2) Service Manual online
HCD-GX470/GX570
3
3
HCD-GX470/GX570
2-2. SCHEMATIC DIAGRAM – MAIN Board (1/3) –
C391
Q901
D902
D921
D923
Q904
IC902
X901
Q902
CN991
R947
R997
R999
R941
R949
R950
R943
R942
R945
R948
R996
R918
R935
R967
R965
R963
R959
R969
R957
R956
R955
R976
R975
R971
R970
R343
R341
R345
R347
R344
R936
R972
R974
R973
R911
R979
R981
R982
R924
R923
R
921
R953
R920
R907
R908
R910
R909
R901
R944
R905
R903
R904
R912
R932
R342
R346
R922
R913
R914
C922
C921
C901
C902
C903
C906
D943
X902
R348
C912
CN091
C908
C909
C910
C919
C917
C927
C914
C911
C918
C923
C926
D910
D947
D905
D901
R946
IC901
R349
R353
JW339
C913
C920
R919
C916
R902
Q903
C904
R925
R351
R350
R352
R355
R354
R356
R952
R961
R980
R968
R977
R978
0.1
2SC3052
MC2836
MC2840
MC2840
2SC3052
PST3429UL
32.768KHz
2SC3052
19P
220k
100
100
2.2k
10k
4.7k
4.7k
10k
220
2.2k
100
220k
10k
100
100
100
100
100
100
100
1k
100
100
100
100
22k
10k
10k
22k
22k
22k
100
100
100
1k
100
100
470
100
100
100
10k
470k
47k
47k
10k
22k
100k
220k
10k
10k
2.2k
1k
2.2k
1k
1k
220k
1k
10k
4.7
50V
50V
2.2
50V
50V
100
16V
16V
10
50V
0.47
50V
10
50V
MC2838
16MHz
22k
0.1
9P
0.1
0.1
0.1
0.1
0.1
22p
22p
0.001
0.001
220p
220p
1SS355TE-17
1SS355TE-17
1SS355TE-17
UDZW-TE17-4.7B
0
-UBT-A
10k
10k
1p
1p
0
47000
5.5V
0
KTA1271Y-AT
0.1
100
22k
22k
1M
22k
22k
47k
100
100
100
100
100
A1
A2
A3
A4
A5
A6
B1
B2
B3
B4
A7
A8
P
-R
EL
AY
STK
-M
R
EC
-M
UTE
AC
P
F
LM
D
C-7
C-LF
C-LR
C-4
C-10
C-14
C-8
C-15
C-13
C-9
MP3-RST
C-1
FSP
O-SWR
SYS-M
C
-6
G
-6
G
-3
T-C
L
T-DI
T-C
E
PM
-CL
M
-D
A
C-12
C-11
I-HP-AUX
C-E3
C-E2
C-E1
STBY
G
-5
C-OS
C-SE
C-TF
VAC
S
VACS
KEY0
KEY0
VCE
VDI
VDO
VCL
VRE
RMS
PROTECT
C
-5
O
-R
/P
O
-BIAS
C-TR
T-D
O
C
-3
FLMD
VCE
VCL
VDI
VDO
VRE
RMS
KEY0
STBY
PR
O
TEC
T
C-LR
C-LF
C-TR
C-TF
C-E1
C-E2
C-E3
C-SE
C-OS
TCM-SYNC
TCM-SYNC
XM
-PO
W
ER
3
.3
G
-1
G
-2
S
C-T
X-OU
T
SC
-R
X-IN
∗
I-STREAM
I-VACS
I-PROTECTOR
O-VFD-DATA
I-VFD-DATA
O-VFD-CLK
O-FRONT-SP-RELAY
I-CD-NUMBER-SENS
O-TM-F
O-TM-R
O-LM-F
O-LM-R
O-POWER-RELAY
I-AC-CUT
M-GND
RESET
O-VFD-RESET
O-STK-MUTE
O-SWR
VSS
O-VFD-CE
O-BIAS
O-REC/PB
I-SCOR
REGC
EVSS
VDD
EVDD
XT2(32.768KHZ)
XT1(32.768KHZ)
O-R2S15207FP-DATA
O-R2S15208SP-DATA
O-AUDIO-CLK
O-LC23003-CLK
O-LC23003-CE
I-MP3-ACK
O-XTCN
I-MP3-DATA
O-MP3-DATA
O-MP3-RESET
AVREF
AVSS
I-KEY0
I-CD-ENCODER
O-XRST
O-CD-DATA
I-CD-SENS
O-CD-CLK
I-WAKEUP
FLMDO
VDD
VSS
FLMD
SI
SO
SCK
O-REC-MUTE
I-MIC-DET
I-MODEL
I-SUFFIX
VSS
AVREF
O-SW_GAIN
O-XM-POWER3.3
LED-GND
M-GND
LM-R
LM-F
TM-R
TM-F
TBL ADDRESS SENS
D+3.3V
M+9V
OPEN SW
E-3
E-2
E-1
M-GND
M-GND
-VFL
STBY-LED
SIRCS
VFD-CLK
VFD-CE
D-GND
VDD(SWITCHED)
VFD-RESET
I-AC
-PULSE
VF
VF
1
13
I-HP/
AUDIO IN
AUDIO IN
O-STBY-LED
O-MP3-CLK
I-TAPE-SYNC
I-XSIRCS
-IN
-IN
I-XRESET
O-SYS-XMUTE
O-MP3-XLAT/
O-MP3-STB
O-MP3-CS
O-XLAT/
I-MP3-REQ
O-MP3-LP
O-MP3-CS/
O-D-MUTE
O-XLT
I-
XTUNED
I-OPEN-SW
O-LC23003-DO
I-LC23003-DI
I-XM-RXD
SYSTEM CONTROLLER
TCM-SNYC
KEY0
VFD-DI
VFD-DO
VDD(EVER)
(NC)
RESET SWITCH
RESET SIGNAL
GENERATOR
AC DETECT
Q903,904
REGULATOR
X2(16MHZ)
X1(16MHZ)
M+9V
(1/3)
(GX570)
(GX570)
(GX470)
∗R356
10k(GX570)
1M(GX470)
I-XM-IRQ
O-XM-DTIC-RESET
O-XM-POWER
O-XM-MUTE
I-XM-DTIC-CMD
I-XM-TXD
µPD78F0547GC (S)
(Page 5)
(Page 4)
(Page 4)
(Page 5)
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