Sony DVP-CX777ES Service Manual page 113

• MB BOARD IC501 CXD1938AR (AUDIO DIGITAL SIGNAL PROCESSOR)
Pin No. Pin Name
CVD00
1
2 DSP1ACKO2
DSP1ACKO0,
3, 4
DSP1ACKO1
5 GND00
RESET_NI
6
7 GND01
8 DSP1DIACKI
GND02
9
DSP1DII
10
11 IOVDD0
GND03
12
CVD01
13
PLL27_CLNI
14
15 PLL_ENNI
16 PLL_CLNI
GND04
17
PLL_CLKO
18
19 IOVDD1
PLL_AVDD
20
GND05
21
SCLKI
22
23 GND06
24
PLL_TST1I
PLL_TST2I,
25, 26
PLL_TST3I
27
PLL_TST4I
28 PLL_AVSS
IOVDD2
29
GND07
30
CVD02
31
32 DSP2DII
GND08
33
DSP2DIACKI
34
GND09
35
DSP2ACKO0 to
36 to 38
DSP2ACKO2
39 IOVDD3
GND10
40
CVD03
41
DSP2LRCKO
42
43 DSP2BCKO
44 DSP2EMPO
DSP2DO
45
IOVDD4
46
GND11
47
I/O
—
Power supply terminal (+1.8V) (digital system)
O Acknowledge signal output terminal Not used
O Acknowledge signal output to the AV decoder
—
Ground terminal (digital system)
I
Reset signal input from the system controller "L": reset
— Ground terminal (digital system)
I
Audio clock signal input terminal Not used
—
Ground terminal (digital system)
I
Digital audio data input from the DSP
— Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
—
Power supply terminal (+1.8V) (digital system)
I
PLL clock divider reset signal input terminal Not used
I PLL enable signal input terminal Not used
I
PLL clock divider reset signal input terminal Not used
—
Ground terminal (digital system)
O
PLL clock signal output terminal Not used
— Power supply terminal (+3.3V) (digital system)
O
Power supply terminal (+3.3V) (analog system)
—
Ground terminal (digital system)
I
Clock (27 MHz) signal input from the clock generator
— Ground terminal (digital system)
I
Input terminal for the test (normally: fixed at "L")
I
Input terminal for the test (normally: fixed at "H")
I
Input terminal for the test (normally: fixed at "L")
— Ground terminal (analog system)
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
—
Power supply terminal (+1.8V) (digital system)
I Digital audio data input from the DSP
—
Ground terminal (digital system)
I
Audio clock signal input terminal Not used
—
Ground terminal (digital system)
O
Acknowledge signal output terminal Not used
— Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
—
Power supply terminal (+1.8V) (digital system)
O
L/R sampling clock output to the D/A converter and digital audio processor
O Bit clock output to the D/A converter and digital audio processor
O
Emphasis control signal output terminal Not used
O
Digital audio data output to the digital audio processor
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
Description
DVP-CX777ES
113