Sony HCD-MD373 Manual Do Utilizador
75
• IC501 MASTER CONTROL (M30620ECFP-A21) (MAIN board)
Pin No.
Pin Name
I/O
Function
1
STK-POWER
O
Power amp ON/OFF signal output
2
P
O
Power ON/OFF signal output (Not used)
3
F-RY
O
Front speaker relay control output
4
R-RY
O
Rear speaker relay control output (Not used)
5
CD-POWER
O
CD power on signal output
6
TA-MUTE
O
Line mute ON/OFF signal output
7
DBFB-H
O
DBFB H/L select signal output (Not used)
8, 9
—
—
Not used
10
SUBXIN
I
X’tal (32.768kHz) input
11
SUBXOUT
O
X’tal (32.768kHz) output
12
RESET
I
Reset signal input
13
X-OUT
O
X’tal (16MHz) output
14
VSS
—
Ground
15
X-IN
I
X’tal (16MHz) input
16
VCC
—
Power supply (+5V)
17
NMI
I
Not used (PULL UP EVER+5V)
18
WAKE UP
I
WAKE UP (Fixed at fixed at “L”)
19
SCOR
I
Subcode data request signal output
20
RDS-INT
I
21
RDS-DATA
I
22
AC-CUT
I
AC power cut detection signal input
23
PL-CLK
O
Clock signal to pro-logic (Not used)
24
PL-DATA
O
Data signal to pro-logic (Not used)
25
PL-LAT
O
Latch signal to pro-logic (Not used)
26
TIMER LED
O
Timer LED ON/OFF (Not used)
27
PROTECTOR IN
I
Speaker protect signal input
28
MD-RESET
O
MD reset signal output
29
IIC-CLK
I/O
I
2
C bus CLK input/output
30
IIC-DATA
I/O
I
2
C bus DATA input/output
31
TXQ
—
Not used
32
SQ-DATA
I
Subcode Q data input
33
SQ-CLK
O
Subcode Q data output
34
FL-RESET
O
FL reset signal
35
FL-DATA
O
FL data output
36
FL-CHIP SELECT
O
FL chip select signal
37
FL-CLK
O
FL clock output
38
62-LAT
O
M62428AFP (IC301) latch signal output
39
ST-BY LED
O
Sub clock signal output (Test mode)
40, 41
V-CINE
O
Not used
42
FL-ON
O
FL switch ON
43
POWER-ON
O
Stand by relay ON
44
B-FREQ
O
FREQ high/low signal for SYNC bass (Not used)
45
FUNC-SEL1
O
Function select signal output “L” : TAPE, “H” : LINE IN
46
OPT-SEL
O
Digital input select signal output
47
62-DATA
O
M62428AFP (IC301) data output
48
62-CLK
O
M62428AFP (IC301) clock output
49
ST-MUTE
O
ST mute signal output
RDS data input