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34
• MAIN BOARD IC401 M30620MCA-A53FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
CD-DATA
O
Serial data output terminal Not used (open)
2
CD-CLK
O
Serial data transfer clock signal output terminal Not used (open)
3
XLT
O
Serial data latch pulse output terminal Not used (open)
4
AC CUT
I
AC off detection signal input from the reset signal generator (IC501)
5
NC
—
Not used (open)
6
SQ-DATA-IN
I
Sub-code Q data input terminal Not used (fixed at “L”)
7
SQ-CLK
O
Sub-code Q data reading clock signal output terminal Not used (fixed at “L”)
8
GND
—
Ground terminal
9
CNVSS
—
To flash memory connector
10
XC-IN
I
Sub system clock input terminal (32.768 kHz)
11
XC-OUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
Reset signal input from the system controller (IC501) “L”: reset For several hundreds msec.
after the power supply rises, “L” is input, then it changes to “H”
13
X-OUT
O
Main system clock output terminal (16 MHz)
14
GND
—
Ground terminal
15
X-IN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18
WAKE UP
I
System wake up signal input from the display controller (IC701)
19
SCOR
I
Subcode sync (S0+S1) detection signal input terminal Not used (fixed at “L”)
20
RDS-INT
I
Interrupt status input from the tuner pack (AEP and UK models only)
21
RDS-DATA
I
Serial data input from the tuner pack (AEP and UK models only)
22
CD-POWER
O
Power on/off control signal output for the DVD section “H”: power on, “L”: standby
23
STBY-RELAY
O
Standby on/off control signal output terminal “L”: standby
(US, Canadian, AEP and UK models only)
24
PROTECT
I
Protect on/off signal input terminal “L”: protect
25
STK-MUTE
O
Power amplifier on/off selection signal output terminal “H”: power amplifier on
26
FRONT-RY
O
Front speakers on/off relay drive signal output terminal “H”: front speakers on
27
NC
—
Not used (open)
28
SURROUND
RELAY
O
Rear and center speakers on/off relay drive signal output terminal
“H”: rear and center speakers on
29
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the IF
controller (IC1) and display controller (IC701)
30
IIC-DATA
I/O
Communication data bus with the IF controller (IC1) and display controller (IC701)
31
TXD1
O
Communication data transmit output to external flash memory
32
SQ-DATA
I
Sub-code Q data input from external flash memory
33
SQ-CLK/OVER DVD
I
DVD data over signal input from the IF controller (IC1)
34
RST1
O
Reset signal output to external flash memory
35
HEAD-PHONE
I
Headphone detection signal input terminal “H”: headphone on
36
LINE-MUTE
O
Line muting on/off signal output terminal “L”: muting on
37
DVD-RST
O
DVD reset signal output to the IF controller (IC1)
38
TEST
I/O
For test terminal
39
CLOCK-OUT
O
For clock check terminal (open)
40
PL-LAT
O
Serial data latch pulse output to the M62464FP (IC201)
41
PL-CLK/SUR1
O
Serial data transfer clock signal output to the M62464FP (IC201)
42
PL-DATA/SUR2
O
Serial data output to the M62464FP (IC201)
Summary of Contents for HCD-ZX70DVD
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