Sony HCD-C990 Service Manual - Page 102

Dvd Board, Ic901, Pd703033bygf-m01-3ba System Controller

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Page 102 highlights

HCD-C770/C990 • DVD BOARD IC901 µPD703033BYGF-M01-3BA (SYSTEM CONTROLLER) Pin No. 1 2 3 4 Pin Name DAMP-DATA DAMP-CLK I2C-DATA CQ-RST 5 I2C-CLK 6 DSP-DO 7 DIG-DI I/O Description O Serial data output to the stream processors O Serial data transfer clock signal output to the stream processors I/O Communication data bus with the DVD system processor and mechanism controller O Reset signal output to the DVD system processor "L": reset I/O Communication data reading clock signal input or transfer clock signal output with the DVD system processor and mechanism controller I Write data input from the audio digital signal processor O Read data output to the digital audio interface IC, audio digital signal processor and D/A converter 8 DIG-CLK O Clock signal output to the digital audio interface IC, audio digital signal processor and D/A converter 9 EVDD - Power supply terminal (+5V) 10 EVSS - Ground terminal 11 P-PWM O PWM voltage control signal output 12 DSP-RST O Reset signal output to the audio digital signal processor "L": reset 13 DSP-PM O PLL reset signal output to the audio digital signal processor "L": reset 14 DSP-CS O Chip select signal output to the audio digital signal processor 15 DSP-HACN I Acknowledge signal input from to the audio digital signal processor 16 DSP-BST O Boot trap signal output to the audio digital signal processor 17 DSP-GP9 I Decode signal input from to the audio digital signal processor 18 DIR-ZERO I Audio serial data input from the digital audio interface IC 19 DIR-ERR I PLL lock error and data error flag input from the digital audio interface IC 20 DIR-CE O Chip enable signal output to the digital audio interface IC 21 VPP - Power supply terminal (for programming) Not used 22 DIR-XST I Source clock switching monitor input from the digital audio interface IC 23 DIR-AD O Not used 24 DIR-XMODE I System reset signal input from the digital audio interface IC "L": reset 25 DI I Write data input from the digital audio interface IC 26 DAMP-RST O Reset signal output to the stream processors "L": reset 27 DAMP-MUTEG O Muting on/off control signal output to the stream processors "H": muting on 28 DAMP-MUTEN O Muting on/off control signal output to the stream processors "H": muting on 29 CS1 O Chip select signal output to the stream processor (for front L-ch and R-ch) 30 CS2 O Chip select signal output to the stream processor (for center and woofer) 31 CS3 O Chip select signal output to the stream processor (for rear L-ch and R-ch) 32 DAC-CS O Chip select signal output to the D/A converter 33 AD-RST O Reset signal output to the A/D converter and D/A converter "L": reset 34 RESET I System reset signal input "L": reset For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H" 35 XT1 I Sub system clock input terminal Not used 36 XT2 O Sub system clock output terminal Not used 37 REG0 - Not used 38 X2 O Main system clock output terminal (20 MHz) 39 X1 I Main system clock input terminal (20 MHz) 40 VSS - Ground terminal 41 VDD - Power supply terminal (+5V) 42 CLKOUT O Clock signal output terminal Not used 102

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102
HCD-C770/C990
•
DVD BOARD
IC901
μ
PD703033BYGF-M01-3BA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP-DATA
O
Serial data output to the stream processors
2
DAMP-CLK
O
Serial data transfer clock signal output to the stream processors
3
I2C-DATA
I/O
Communication data bus with the DVD system processor and mechanism controller
4
CQ-RST
O
Reset signal output to the DVD system processor
“L”: reset
5
I2C-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the DVD
system processor and mechanism controller
6
DSP-DO
I
Write data input from the audio digital signal processor
7
DIG-DI
O
Read data output to the digital audio interface IC, audio digital signal processor and D/A
converter
8
DIG-CLK
O
Clock signal output to the digital audio interface IC, audio digital signal processor and D/A
converter
9
EVDD
—
Power supply terminal (+5V)
10
EVSS
—
Ground terminal
11
P-PWM
O
PWM voltage control signal output
12
DSP-RST
O
Reset signal output to the audio digital signal processor
“L”: reset
13
DSP-PM
O
PLL reset signal output to the audio digital signal processor
“L”: reset
14
DSP-CS
O
Chip select signal output to the audio digital signal processor
15
DSP-HACN
I
Acknowledge signal input from to the audio digital signal processor
16
DSP-BST
O
Boot trap signal output to the audio digital signal processor
17
DSP-GP9
I
Decode signal input from to the audio digital signal processor
18
DIR-ZERO
I
Audio serial data input from the digital audio interface IC
19
DIR-ERR
I
PLL lock error and data error flag input from the digital audio interface IC
20
DIR-CE
O
Chip enable signal output to the digital audio interface IC
21
VPP
—
Power supply terminal (for programming)
Not used
22
DIR-XST
I
Source clock switching monitor input from the digital audio interface IC
23
DIR-AD
O
Not used
24
DIR-XMODE
I
System reset signal input from the digital audio interface IC
“L”: reset
25
DI
I
Write data input from the digital audio interface IC
26
DAMP-RST
O
Reset signal output to the stream processors
“L”: reset
27
DAMP-MUTEG
O
Muting on/off control signal output to the stream processors
“H”: muting on
28
DAMP-MUTEN
O
Muting on/off control signal output to the stream processors
“H”: muting on
29
CS1
O
Chip select signal output to the stream processor (for front L-ch and R-ch)
30
CS2
O
Chip select signal output to the stream processor (for center and woofer)
31
CS3
O
Chip select signal output to the stream processor (for rear L-ch and R-ch)
32
DAC-CS
O
Chip select signal output to the D/A converter
33
AD-RST
O
Reset signal output to the A/D converter and D/A converter
“L”: reset
34
RESET
I
System reset signal input
“L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
35
XT1
I
Sub system clock input terminal
Not used
36
XT2
O
Sub system clock output terminal
Not used
37
REG0
—
Not used
38
X2
O
Main system clock output terminal (20 MHz)
39
X1
I
Main system clock input terminal (20 MHz)
40
VSS
—
Ground terminal
41
VDD
—
Power supply terminal (+5V)
42
CLKOUT
O
Clock signal output terminal
Not used