Read Sony HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) Service Manual online
47
HCD-SR1/SR2/SR3
DMB08 BOARD IC901 uPD703033BYGF-M59-3BA-A (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 strap 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
Muting signal output
24
DIR-XMODE
O
System reset signal output to the digital audio interface IC “L”: reset
25
DIRDO
I
Write data input from the digital audio interface IC
26
DAMP-RST
O
Reset signal output to the stream processors “L”: reset
27
GP12
—
Not used (fixed at “L”)
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
System reset signal input “L”: reset
34
RESET
I
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 (open)
36
XT2
O
Sub system clock output terminal Not used (open)
37
REGC
—
Capacitance connection terminal
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)
Click on the first or last page to see other HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) service manuals if exist.