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Sony HCD-RG490 Service Manual page 75

Compact disc deck receiver
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CD-G BOARD IC1001 TC9411AFG (BS, K) (CD GRAPHICS DECODER)
Pin No.
Pin Name
1
SESUB
2
CLCK
3
DATA
4
SBSY
5
SFSY
6
MUTE
7
VDD1
8
VSS1
9
MCE
10
MCDO
11
MCDI
12
MCCK
13
XWE
14
XRAS
15 to 22
VA0 to VA7
23
VSS2
24
VDD2
25
VD0
26
XCAS
27
VD1
28
XOE
29, 30
VD2, VD3
31
BLANKIN
32
BIN
33
GIN
34
RIN
35
XHSYNC
36
XVSYNC
37
GDET
38
VON
39, 40
TEST1, TEST2
41
LINESW
42
VREF
43
AVDD
44
VDOUT
45
AVSS
46, 47
BIAS1, BIAS2
48
VSS3
49
VDD3
50
QNG
51
PNG
52
DEN
53
FSC
54
XRESET
55
SENTSC
56
PDOWN
I/O
I
Not used
O
Subcode serial data reading clock signal output to the CD DSP
I
Subcode serial data input from the CD DSP
I
Subcode sync (S0+S1) detection signal input from the CD DSP
I
Write frame clock signal input from the CD DSP
I
Muting control signal input from the system controller
-
Power supply terminal (+5V)
-
Ground terminal
I
Chip enable signal input terminal Not used
O
Serial data output terminal Not used
I
Serial data input terminal Not used
I
Serial data transfer clock signal input terminal Not used
O
Write enable signal output to the D-RAM
O
Row address strobe signal output to the D-RAM
O
Address signal output to the D-RAM
-
Ground terminal
-
Power supply terminal (+5V)
I/O
Two-way data bus with the D-RAM
O
Column address strobe signal output to the D-RAM
I/O
Two-way data bus with the D-RAM
O
Output enable signal output to the D-RAM
I/O
Two-way data bus with the D-RAM
I
Blanking signal input terminal Not used
I
RGB (B) signal input terminal Not used
I
RGB (G) signal input terminal Not used
I
RGB (R) signal input terminal Not used
O
Horizontal synchronize signal output terminal Not used
O
Vertical synchronize signal output terminal Not used
O
CD-G detection signal output to the systerm controller
I
Video on control signal input terminal Not used
I
Test mode setting terminal
I
Line switch input terminal Not used
I
Reference voltage input terminal
-
Power supply terminal (+5V)
O
Video signal output terminal
-
Ground terminal
I
Bias setting terminal
-
Ground terminal
-
Power supply terminal (+5V)
O
Not used
O
Not used
I
NTSC/PAL selection signal input terminal
O
Not used
I
System reset signal input from the system controller "L": reset
I
Not used
I
Power down signal input terminal Not used
HCD-RG490/RG590
Description
75
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