Schematic Diagram - Cd-G Section; (Rg490: Mx/Rg590: Mx Models) - Sony HCD-RG490 Service Manual

7-30. SCHEMATIC DIAGRAM – CD-G Section (RG490: MX/RG590: MX models) –
CN1001
13P
SCOR
SCOR
WFCK
WFCK
SBSO
SBSO
EXCK
EXCK
MUTE-DATA
_RST
CDG-RST
CDG/_BGC
CDG/BGC
CDG-DET
(Page 43)
CDG-DET
CDG-POWER
CDG-POWER
VMUTE
V-MUTE
GND
GND
+9V
HCD-RG490/RG590
SCOR
WFCK
SCHMITT
TRIGGER
IC1005
SN74AHCT04NSR
R1038
470P
SBSO
EXCK
Q1009
R1003
RT1P141C-TP-1
Q1005,1009
LEVEL SHIFT
Q1005
RT1N441C-TP-1
Q1002
RT1N441C-TP-1
_RST
X1002
14.31818MHz
C1019 22p R1015 100
Q1002,1006 C1018 22p
LEVEL SHIFT
C1016 0
R1017 10k C1015 0.01
Q1006
RT1P141C-TP-1
Q1001
RT1N441C-TP-1
CDG/_BGC
R1016
10k
Q1001
NTSC/PAL
C1003 0.01
SELECT SWITCH
C1005 0.01
C1006 0.01
VMUTE
Q1010
RT1N441C-TP-1
VIDEO AMP
VIDEO MUTING
IC1006
NJM2561F
VSAG
C1030 VIN
22
VOUT
6.3V GND
SAVE
C1026 _PWR VCC
1000
6.3V
C1031
1
50V
R1030
22k
C1025
0.01
R1031
75
FB1001 JR1001
0 0
CDG-DET
CDG-POWER
See page 57 for Waveforms. See page 62 for IC Block Diagrams.
C1011
0.01
R1020
4.7k 10k
XO1 VA1
XI1 VA2
XO2 VA3
XI2 VA4
PDOWN VA5
SENTSC VA6
CD GRAPHICS DECODER
XRESET VA7
IC1001
TC9411AFG
FSC
VSS2
DEN VDD2
PNG VD0
QNG XCAS
VDD3 VD1
VSS3 XOE
BIAS2 VD2
BIAS1 VD3
C1023
1
50V
L1001
C1004 0
0.01
C1022 R1029
22p 1k
R1005
2.2k +5V REGULATOR
IC1003
R1013 R1012 C1010
PC2905
2.2k 10k 100
6.3V
C1013 O I
R1006 G
100 6.3V
4.7k
C1024
R1051 C1027
100
10 220p
6.3V
53 53
See page 66 for IC Pin Function Description.
D-RAM
IC1002
MSM514400E-60TS
L1002
10
A4
VCC
A4
A5
A3
A5
A6
A2
A6
A7
A1
A7
A0
A8
C1012
47 C1014
6.3V 0.01
OE
A9
OE
RAS
CAS
DQ3
WE
DQ3
DQ4
DQ2
DQ4
DQ1
VSS
A4
A5
A6
A7
OE
DQ3
DQ4
C1002
0.01
C1028
100
6.3V
R1032 R1035
10k 2.2k
R1034
2.2k
Q1007,1008
R1033 B+ SWITCH
2.2k
Q1008
2SB1122
Q1007
RT1N441C-TP-1
C1008
1
50V
C1029 CN1004
0.001
GND
VIDEO
GND
HCD-RG490/RG590
J803
3P C803 VIDEO OUT
CN803 0.1
2P
VIDEO OUT
GND