Sony HCD-ZX80D Service Manual page 76

HCD-ZX80D/ZX100D
MAIN BOARD IC401 M30622MEP-A78FPU0 (MASTER CONTROLLER)
Pin No. Pin Name
1 TUNED
2 ST-DOUT
3 ST-CLK
4 SIRCS
5 ST-DIN
6 ST-CE
7 STBY-RELAY
8
BYTE
9 CNVSS
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
EFFECTOR-
18
SELECT
19
EFFECTOR-S0
20 AC-CUT
21 MIC STATUS
22 MTK-KMOD
23 MTK-IFBSY
24 MTK-XIFCS
25
MTK-RESET
26 EJECT SW
27 TBL SENS
28 E3
29 IIC-CLK
30 IIC-DATA
31 MTK-SIO
32 MTK-SOD
33 MTK-CLK
34, 35 E2, E1
36
TM-F
37 TM-R
38
LM-F
39 LM-R
40 GC-RESET
41 STBY-LED
42 FAN CONTROL
EFFECTOR-S1 to
43 to 45
EFFECTOR-S3
76
I/O
I
Tuning detection signal input from the tuner (FM/AM) "L": tuned
O
PLL serial data output to the tuner (FM/AM)
O
PLL serial data transfer clock signal output to the tuner (FM/AM)
I Remote control signal input from the remote control receiver
I
PLL serial data input from the tuner (FM/AM)
O PLL serial chip enable signal output to the tuner (FM/AM)
O
Relay drive signal output for the main power "H": power on
I
External data bus width selection signal input terminal Fixed at "L" in this set
I Processor mode switch input terminal (for test)
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 "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
O Main system clock output terminal (5 MHz)
- Ground terminal
I Main system clock input terminal (5 MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt input terminal Fixed at "H" in this set
O Effector on/off control signal output to the signal selector "H": effector on
O Effector circuit delay time selection signal output to the multiplexer
I AC cut on/off detection signal input from the reset signal generator "L": AC cut on
O
Microphone detection signal output to the servo DSP "H": microphone in
I
Karaoke mode selection signal input from the servo DSP "H": karaoke mode
O
Busy signal output to the servo DSP
I Chip select signal input from the servo DSP
O Reset signal output to the servo DSP "L": reset
I
Disc table open/close detection signal input terminal "L": open, "H": close
I
Disc table address sensor input terminal
I Disc table address detection signal input terminal
I/O
Two-way IIC clock bus with the display controller
I/O
Two-way I2C data bus with the display controller
O Serial data output to the servo DSP
I Serial data input from the servo DSP
I Serial data transfer clock signal input from the servo DSP
I
Disc table address detection signal input terminal
O Table motor drive signal output terminal (forward direction)
O Table motor drive signal output terminal (reverse direction)
O Loading motor drive signal output terminal (forward direction)
O Loading motor drive signal output terminal (reverse direction)
O Reset signal output to the display controller "L": reset
LED drive signal output terminal
O
"L": red LED on (standby mode),"H": green LED on (power on mode)
O
Fan motor on/off control signal output terminal "L": motor on
O Effector circuit delay time selection signal output to the multiplexer
Description