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HCD-VM330AV
QQ
3 7 63 1515 0
• MAIN BOARD IC801 M30622MGA-A57FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
NC
2
LOAD POS
3
LOAD NEG
4
RMC
5
TABLE POS
6
LOAD IN SW
7
LOAD OUT SW
8
—
9
CNVSS
10
SUBXIN
11
SUBXOUT
12
RESET
13
XOUT
14
VSS
15
XIN
16
VCC
17
NC
18
T-SENS2
19
C-SCOR
20
TE
KB-SCL
L 13942296513
21
C-MUTE
22
PWM1
23
R-MUTE
24
PWM2
25
PL-RQ
26
PWM3
27
PL-DATA
28
PL-CLK
29
IIC CLK
30
IIC DATA
31
NC
32
C-SQSO
33
C-SQCK
34
FRONT
35
REAR
36
KB-SDA
37
KB-CTRL
38
S/W-MUTE
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39
NC
40
R-RELAY
41
NC
.
62
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I/O
—
Not used (open)
O
Loading motor drive signal (load-out direction) output the motor driver (IC881)
O
Loading motor drive signal (load-in direction) output the motor driver (IC881)
I
Remote control signal input from the remote control receiver (IC702)
O
Table motor drive signal (counterclockwise) output to the motor driver (IC881)
I
Load in/out detect switch (S842) input "L": load in
I
Load in/out detect switch (S842) input "L": load out
—
Not used (fixed at "L")
—
Not used
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator (IC802) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Main system clock output terminal (16 MHz)
—
Ground terminal
I
Main system clock input terminal (16 MHz)
—
Power supply terminal (+5V)
—
Not used (fixed at "H")
I
Table position sensor (IC13) input terminal
I
Subcode sync (S0+S1) detection signal input terminal Not used (open)
O
Serial data transfer clock signal output to the KEYBOARD (J801)
O
Muting on/off control signal output terminal "H": muting (center speaker)
O
Focus servo drive PWM signal output terminal Not used (open)
O
Muting on/off control signal output terminal "H": muting (rear speakers)
O
PWM signal output terminal Not used (open)
O
Serial data latch pulse output to the M62464FP (IC301)
O
RFDC PWM signal output terminal Not used (open)
O
Serial data output to the M62464FP (IC301)
O
Serial data transfer clock signal output to the M62464FP (IC301)
Communication data reading clock signal input or transfer clock signal output with the video CD
I/O
controller (IC502) and display controller (IC701)
I/O
Communication data bus with the video CD controller (IC502) and display controller (IC701)
—
Not used
I
Subcode Q data input terminal Not used
O
Subcode Q data reading clock signal output terminal Not used
Selection signal output of the rear speaker output signal to the BU4066BC (IC307)
O
"H": Same the front channel
Selection signal output of the rear speaker output signal to the BU4066BC (IC307)
O
"H": Rear channel
I
Keyboard data input from the KEYBOARD (J801)
O
Keyboard control signal output to the KEYBOARD (J801)
O
Muting on/off control signal output terminal "H": muting (super woofer)
—
Not used (open)
x
ao
y
O
Relay drive signal output for the surround speaker (rear and center) protection "H": on
—
i
Not used (fixed at "L")
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8
Description
Q Q
3
6 7
1 3
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2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
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9 9
2 8
9 9
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