Sony HCD-ZX50MD Service Manual page 102

• IC401 M30620MCA-A54FP MASTER CONTROL (MAIN BOARD)
Pin No. Pin Name
1 BD-DATA
2 BD-CLK
3 BD-LAT
4 AC-CUT
5 N.C
6 SQ-DATA-IN
7 SQ-CLK
8 GND
9 GND
10 XC IN
11 XC OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 WAKE_UP
19 SCOR
20 RDS-INT
21 RDS-DATA
22 CD-POWER
23 STBY-RELAY
24 PROTECT
25 STK-MUTE
26 RWLAY-H
27 N.C
28 REAR-RELAY
29 IIC_CLK
30 IIC_DATA
31 TXD1 (LD ON)
32 SQ-DATA (X1-X2)
33 SQ-CLK (DA-MUTE)
34 RST1 (OPT SEL)
35 HEAD PHONE
36 LINE-MUTE
37 MD/P-DOWN
38 TEST
39 CLOCK-OUT
40 PL-LAT
41 PL-CLK/SUR1
42 PL-DATA/SUR2
43 502-LAT
102
I/O
O CD data output.
O CD clock output.
O CD latch signal output.
I AC cut input. L= ON,H=OFF
— Not used.
I Subcode Q data input.
I Subcode Q data input.
— Connected to ground.
— Connected to ground.
I SUB CLOCK input. (32.768kHz)
O SUB CLOCK output. (32.768kHz)
I System reset input.
O MAIN SYSTEM CLOCK output. (16MHz)
— Vss
I MAIN SYSTEM CLOCK input. (16MHz)
— Power supply. (+5V)
I PULL UP (EVER +5V)
I WAKE UP signal input. (L)
I CD Q-data request signal input.
I RDS interrupt signal input.
I RDS data signal input.
O CD-POWER ON/OFF signal output. H=ON, L=OFF
O STANDBY relay control signal output.
I Speaker protect signal input. L=ON, H=OFF
O Power amplifier mute ON/OFF signal output. H=ON, L=OFF
O Speaker terminal relay control signal output. H=ON, L=OFF
I Not used.
O Rear speaker relay control signal output.(Not used.)
O IIC SCL output.
O IIC SDA output.
O Write data output for FLASH connector/LD ON signal output.
O Read data output for FLASH connector/X'tal select signal output.
O Clock data output for FLASH connector/D/A converter mute signal output.
O Reset output for FLASH connector/Optical select signal output.
I Head phone signal detect. H=ON,L=OFF
O Line mute signal output. L=ON, H=OFF
O MDM power down
I Test terminal
I Clock check signal input. (Not used.)
O Latch output to PRO-LOGIC IC
O Clock output to PRO-LOGIC IC/Surround control signal output
O Data output to PRO-LOGIC IC/Surround control signal output
O Latch output to sound processor
Descriptions