Schematic Diagram - Cd-G Section - (Mx Model Only) - Sony MHC-RG270 Service Manual

6-22. SCHEMATIC DIAGRAM – CD-G Section – (MX model only)
CN1001
13P
SCOR
SCOR (SCOR)
WFCK
WFCK
SBSO
SBSO CNG409.ULA
EXCK
EXCK
MUTE_DATA (AMUTE)
_RST
_CDG-RST
CDG/_BGC
CDG/_BGC
CDG-DET
(Page 35)
CDG-DET
CDG-POWER
CDG-POWER (CD-POWER)
VMUTE _RST
VMUTE (VIDEO MUTE)
GND
GND
+9V
Q1002,1006
LEVEL SHIFT
CDG/_BGC
VMUTE
CDG-DET
CDG-POWER
HCD-GX355/GX555/RG270/RG475/RG575
• See page 50 for Waveforms. • See page 50 for IC Block Diagrams. • See page 60 for IC Pin Function Description.
SCOR
WFCK
SCHMIT
TRIGGER
IC1005
SN74AHCT04NSR
R1038
470P
SBSO
EXCK
Q1009
RT1P141C-T
R1003 R1020
P-1
4.7k 10k
Q1005,1009
LEVEL SHIFT
Q1005
RT1N441C-T
P-1
Q1002
RT1N441C-T
P-1
X1002
14.31818MHz
C1019 22p R1015 100
XO1
C1018 22p
XI1
XO2
C1016 0
XI2
PDOWN
SENTSC
RESET
R1017 10k C1015 0.01
Q1006 FSC
RT1P141C-T
P-1 Q1001 DEN
RT1N441C-TP-1
PNG
R1016
10k
QNG
Q1001
VDD3
NTSC/PAL SWITCH
C1003 0.01
VSS3
C1005 0.01
BIAS2
C1006 0.01
BIAS1
Q1010
RT1N441C-T
P-1
VIDEO AMP
VIDEO MUTING
IC1006
C1023
NJM2561F
1
50V
VSAG
C1030 VIN
22
VOUT
6.3V GND
SAVE
C1004
C1026 _PWR VCC
0.01
1000
6.3V
C1031
1 C1022 R1029
50V 22p 1k
R1030
22k
C1025 R1013 R1012
0.01 2.2k 10k
R1031
C1013
75
100 6.3V
FB1001 JR1001
0 0
C1011
0.01
L1002
10
VA1
VA2
VA3
VA4
VA5
VA6
CD GRAPHICS DECODER
VA7
IC1001
TC9411AFG
VSS2
VDD2
VD0
CAS
VD1
OE
VD2
VD3
C1002
0.01
C1028
100
6.3V
R1005
2.2k R1032 R1035
10k 2.2k
R1034
2.2k
R1033
2.2k
+5V REGULATOR
IC1003
C1010
Q1008
µPC2905
100
2SB1122
6.3V
O I
R1006 G
4.7k C1008
1
50V
C1024
L1001 R1051 C1027
100
0 10 220p
6.3V
43 43
HCD-GX355/GX555/RG270/RG475/RG575
D-RAM
IC1002
MSM514400E-60TS
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
Q1007,1008
B+ SWITCH
Q1007
RT1N441C-T
P-1
C1029 CN1004
0.001 3P
GND
VIDEO
GND
J803
C803 VIDEO OUT
CN803 0.1
2P
VIDEO OUT
GND