Schematic Diagram - Main Board (1/3) (Rg490: Mexican/Rg590 Mexican Models) - Sony HCD-RG490 Service Manual

HCD-RG490/RG590
2-6. SCHEMATIC DIAGRAM – MAIN Board (1/3) (RG490: Mexican/RG590 Mexican models) –
(1/3)
CN991
19P
VF
VF
-VFL
D-GND
TCM-SNYC TCM-SYNC
VDD(EVER)
VDD(SWITCHED)
STBY-LED STBY
KEY0 KEY0
SIRCS RMS
VFD-RESET R996 100 VRE
VFD-DI R999 100 VDO
VFD-DO VDI
VFD-CLK VCL
VFD-CE R997 100 VCE
M+9V
LED-GND
M-GND
M-GND
CN091
9P
RESET
VDD
AVREF
FLMD FLMD
VSS
(NC)
VSS
SCK
SI
SO
A1
A2
A3
A4
A5
(Page 10)
A6
JW339
B1
B2
(Page 9)
HCD-RG490/RG590
I-MIC-DET
R355 R354
2.2k(RG590) 1k(RG590)
22k(RG490) 22k(RG490)
(RG490)
R343 R348 R355
22k 22k
C-E3
R356 R352
1M 10k
R342 R354
1k
I-HP-AUX
R344 R341
22k 10k R349
C-E2
10k
VACS C918 0.001
R346
PROTECT R922 220k
1k
KEY0 R913 1k
R347 R345
22k 10k
C-E1
R353 10k
STREAM
STBY
C-12 R981 100
R974 100
C-11
TCM-SYNC R972 100
VRE
VCE
VDO C923 220p
VDI R973 100
VCL R982 470
KEY0 R911 1k
RMS C926 220p
Q901
2SC3052
RESET SWITCH
R907 C908 R905
47k 0.1 10k
R908 C909 D905
47k 0.1 1SS355TE-17
D910
1SS355TE-17
RESET SIGNAL
GENERATOR
IC902 R935
PST3429UL 10k
C904 R932
0.1
R961
100
R980
100
R952
47k
I-HP/
AUDIO IN
I-SUFFIX
I-VACS
I-PROTECTOR I-CD-NUMBER-SENS
I-KEY0
I-CD-ENCODER
I-MODEL
I-STREAM
SYSTEM CONTROLLER
O-STBY-LED
IC901
mPD7BF0547GC (S)
O-MP3-CLK
-UBT-A
I-MP3-DATA
O-MP3-DATA
I-TAPE-SYNC
O-VFD-RESET
O-VFD-CE
O-VFD-DATA
I-VFD-DATA
O-VFD-CLK O-FRONT-SP-RELAY
I-WAKEUP
I-XSIRCS
-IN
C906
R909 10
22k 50V
C903
0.47
50V
C902
10
50V
Q902 X902
2SC3052 16MHz
AC DETECT C913
1p C916
47000
C920
5.5V
1p
C911
0.001
R914
10k
C917
2.2k 0.1
R910 10k
8 8
C391
0.1
C-LR
C-LF
C-TR
C-TF
C-E1
C-E2
C-E3
R925
100
C-SE
C-OS
R920
470k
R956 100 C-7
I-SCOR
R957 100
I-
XTUNED
R959 100 C-OS
I-OPEN-SW
R970 100 C-SE
R975 100 C-TF
O-TM-F
R976 100 C-TR
O-TM-R
R969 100 C-LF
O-LM-F
R967 100 C-LR
O-LM-R
C-8
O-XRST
C-4
O-D-MUTE
O-XLT
C-10
O-MP3-CS/
O-MP3-LP
R965 100 C-14
I-MP3-REQ
C-15
O-XLAT/
O-MP3-STB
R963 100 C-13
I-MP3-ACK
C-9
O-MP3-XLAT/
O-MP3-CS
MP3-RST
O-MP3-RESET
C-1
O-XTCN
FSP
O-SWR
O-SWR
SYS-M
O-SYS-XMUTE
R953
10k
Q903 Q903,904
KTA1271Y-AT
REGULATOR
R903 D947
10k 1SS355TE-17
Q904 R949
2SC3052 R912 10k
1k
D943
R904 MC2838
2.2k
R902
C901
0
100 D923
D901 R948
16V MC2840
UDZW-TE17-4.7B 2.2k
R901
100k
D902 R951
MC2836 220 R947
220k
C922
R936 4.7
22k
50V
Note: IC901 on the MAIN board cannot exchange with single. When
IC901 is damaged, exchange the entire mounted board.
M+9V 13
M-GND
M-GND
LM-R
LM-F
TM-R
TM-F
E-1
E-2
E-3
TBL ADDRESS SENS
D+3.3V
OPEN SW
1
R950
4.7k
R944 R946
D921
220k 0
MC2840
B3
B4
R945 C921 R941
220 2.2 R942 2.2k
50V 10k (Page 9)
R943
4.7k
A7
A8
(Page 10)