Read Sony DVP-CX777ES Service Manual online
121
DVP-CX777ES
•
MB BOARD IC801 CXD9722ATQ (DIGITAL AUDIO PROCESSOR)
Pin No.
Pin Name
I/O
Description
1 to 5
D1 to D5
I/O
Two-way data bus with the SD-RAM
6
VDD
—
Power supply terminal (+3.3V)
7, 8
D6, D7
I/O
Two-way data bus with the SD-RAM
9
VSS
—
Ground terminal
10
WE
O
Write enable signal output to the SD-RAM
11
CAS
O
Column address strobe signal output to the SD-RAM
12
RAS
O
Row address strobe signal output to the SD-RAM
13
CS
O
Chip select signal output to the SD-RAM
14
CLK
O
Clock signal output to the SD-RAM
15
CKE
O
Clock enable signal output to the SD-RAM
16
VDD
—
Power supply terminal (+3.3V)
17 to 22
A11, A10, A0 to A3
O
Address signal output to the SD-RAM
23
VSS
—
Ground terminal
24 to 29
A9 to A4
O
Address signal output to the SD-RAM
30
VSS
—
Ground terminal
31
DRSO
O
DSD data (for rear R-ch) output to the D/A converter
32
DLSO
O
DSD data (for rear L-ch) output to the D/A converter
33
DEXRO
O
Not used
34
DLFEO
O
DSD data (for woofer) output to the D/A converter
35
DCO
O
DSD data (for center) output to the D/A converter
36
VDD
—
Power supply terminal (+3.3V)
37
DRO
O
DSD data (for front R-ch) output to the D/A converter
38
DLO
O
DSD data (for front L-ch) output to the D/A converter
39
VSS
—
Ground terminal
40
DMRO
O
DSD data output for R-ch down mix to the D/A converter
41
DMLO
O
DSD data output for L-ch down mix to the D/A converter
42
VSS
—
Ground terminal
43
VDD
—
Power supply terminal (+3.3V)
44
DLDRO
O
Audio data output to the D/A converter
45
CSWO
O
Audio data (for center and woofer) output to the D/A converter
46
SLSRO
O
Audio data (for rear) output to the D/A converter
47
FLFRO
O
Audio data (for front) output to the D/A converter
48
VSS
—
Ground terminal
49
SPDIFO
O
Digital audio data output terminal
50
TEST1
I
Input terminal for the test
51
TRST
I
Reset signal input from the interface controller “L”: reset
52
TMS
I
Mode selection signal input terminal
53
TCK
I
Clock signal input terminal
54
TDI
I
Serial data signal input from the DSD decoder
55
TDO
O
Serial data signal output to the audio DSP
56
TEST2
I
Input terminal for the test
57
SPDIFI
I
Digital audio data input from the audio DSP
58
VSS
—
Ground terminal
59
LRCKI
I
L/R sampling clock signal input from the audio DSP
60
BCKI
I
Bit clock signal input from the audio DSP
Click on the first or last page to see other DVP-CX777ES service manuals if exist.