Read Sony CX-LFA880 Service Manual online
4
CX-LFA880
MPEG BOARD UD705 ZR36748 (VIDEO DAC ENCODER)
Pin No.
Pin Name
I/O
Description
Pin No.
Pin Name
I/O
Description
1
VDDP
—
Power supply terminal (+3.3V)
2
DUPRD
—
Not used
3
BOOTSEL2
—
Not used
4
GPCI014
I
LSI RST signal input from the AV decoder
5
GPCI013
—
Not used
6
GPCI012
—
Not used
7
SSCRRO/CPC1011
I
Chip enable signal input from the system controller
8
SSCRRO/CPC1010
I
Clock signal input from the system controller
9 to 14
ATDD5 to 10
I
DVD (RF) signal input from the AV decoder
15
GNDP
—
Ground terminal
16
ATDD4
I
DVD (RF) signal input from the AV decoder
17
VDDP
—
Power supply terminal (+3.3V)
18
ATDD11
I
DVD (RF) signal input from the AV decoder
19
ATDD3
I
DRFO signal input from the AV decoder
20
ATDD12
I
DACK signal input from the AV decoder
21
ATDD2
I
DFFR signal input from the AV decoder
22
ATDD13
I
DBGN signal input from the AV decoder
23
ATDD1
I
DCLK signal input from the AV decoder
24
ATDD14
—
Not used
25
ATDD0
I
DMUTE signal input
26
ATDD15
O
DVD tray open signal output
27
ATIOW
O
DVD tray close signal output
28
VDDC
—
Power supply terminal (+1.8V)
29
ATIOR
O
LMTSW signal output from the AV decoder
30
GNDP
—
Ground terminal
31
ATIORD
I
RDY signal input
32
ATIOFFRO
—
Not used
33
GNDP
—
Ground terminal
34
ATDA2
O
RF servo gain up signal output
35
VDDP
—
Power supply terminal (+3.3V)
36
ATDA1
I
C2F signal input from the AV decoder
37
ATDA0
I
LRCK signal input from the AV decoder
38
ATCS1
I
BCK signal input from the AV decoder
39
ATCS0
I
CD DATA signal input from the AV decoder
40
BOOTSEL1
—
Not used
41
GPCI01
I
INTDET signal input from the AV decoder
42
SSCSRO
I
Not used in this set. Fixed at (“L”).
43
GPC103
I
WRO signal input from the AV decoder
44
GCP104
—
Not used
45
GCP105
O
Serial data output to the audio DAC
46
GCP106
O
Serial data clock output to the audio DAC
47
GCP107
I
SPDFG signal input
48
VDDP
—
Power supply terminal (+3.3V)
49
SSCRXD/GPC108
I
Data signal input from the system controller
50
GNDP
—
Ground terminal
51
SSCRXD/GPC109
I
Data signal input from the system controller
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