Read Sony HCD-RG490 / HCD-RG590 Service Manual online
HCD-RG490/RG590
4
4
HCD-RG490/RG590
2-2. SCHEMATIC DIAGRAM – MAIN Board (1/3) (Except RG490: Mexican/RG590 Mexican models) –
C391
Q901
D902
D921
D923
Q904
IC902
X901
Q902
CN991
R947
R997
R999
R941
R949
R950
R943
R942
R945
R948
R951
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
R
923
R
921
R953
R920
R907
R908
R910
R909
R901
R944
R905
R903
R904
R912
R932
R342
R346
R922
R913
R354
R355
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
C924
C925
R952
R980
IC901
R349
R353
R351
R350
R356
JW339
C913
C920
R919
C916
R902
Q903
C904
R925
R961
R352
0.1
2SC3052
MC2836
MC2840
MC2840
2SC3052
PST3429UL
32.768KH
z
2SC3052
19P
220k
100
100
2.2k
10k
4.7k
4.7k
10k
220
2.2k
220
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
100p
100p
47k
100
-UBT-A
10k
10k
∗
∗
1M
1p
1p
0
47000
5.5V
0
KTA1271Y-AT
0.1
1k
1k
∗
A1
A2
A3
A4
A5
A6
B1
B2
B3
B4
A7
A8
P-R
ELAY
STK-M
REC-M
UT
E
ACP
FLM
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-CL
T-D
I
T-C
E
P-DA
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
V
AC
S
ST
R
EA
M
STREAM
VACS
KEY0
KEY0
VCE
VDI
VDO
VCL
VRE
RMS
PROTECT
C-5
O
-R/P
O-BIAS
C-TR
T-D
O
I-MIC-DET
C-3
FLMD
VCE
VCL
VDI
VDO
VRE
RMS
KEY0
STBY
P
RO
TEC
T
C-LR
C-LF
C-TR
C-TF
C-E1
C-E2
C-E3
C-SE
C-OS
TCM-SYNC
TCM-SYNC
∗
∗
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
I-RDS-DATA
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
I-RDS-CLK
O-CDG-RST/
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
O-VMUTE
O-CDG-POWER
I-CDG-DET
O-CDG-MUTE-DATA/
O-XM-TXD
I-XM-RXD
SYSTEM CONTROLLER
RG490:RU,E2,E51,EA,AR/
RG590:RU,E2,E51,EA,AR
(RG490/RG590:AEP,UK,RU)
∗
R354
1k(RG590)
22k(RG490)
∗
R355
4.7k(RG590:AEP,UK,RU)
22k(RG490)
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)
2.2k(RG590:E2,E3,E51,EA,AR)
∗
R350
10k(RG490:E2,E51,EA,AR/RG590:E2,E51,EA,AR)
1k(RG490:RU/RG590:RU)
∗
R352
470k(RG490:EA/RG590:EA)
1k(RG490:AEP/RG590:AEP,UK)
∗
R351
10k(RG490:E2,E51,AR/RG590:E2,E51,AR)
100k(RG490:EA/RG590:EA)
2.2k(RG490:RU/RG590:RU)
µ
PD7BF0547GGC (S)
RG490:AEP/
RG590:AEP,UK
RG490:AEP/
RG590:AEP,UK
RG490:AEP,EA/
RG590:AEP,UK,EA
Note: IC901 on the MAIN board cannot exchange with single. When
IC901 is damaged, exchange the entire mounted board.
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(Page 5)
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