Sony HCD-MD373 - Page 75

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