Sony HCD-ZX6 Service Manual page 60

HCD-ZX6/ZX8
• IC401 M3062CMEN-A04FPUO (MASTER CONTROL) (MAIN BOARD (1/4))
Pin No. Pin Name
1 MP3 ACK
2 MP3 LP
3 MP3 CS
4 SIRCS
5 MP3 DATA OUT
6 MP3 DATA IN
7 MP3 CLK
8 BYTE
9 CNVSS
10 XC IN
11 XC OUT
12 RESET
13 X OUT
14 VSS
15 X IN
16 VCC
17 NMI
18 MP3 RESET
19 SCOR
20 AC OUT
21 SENS
22 CD CLK
23 XLAT
24 CD DATA
25 XRST
26 XTCN
27 FAN CTRL
28 STBY RELAY
29 IIC CLK
30 IIC DATA
31 MP3 STB
32 REC MUTE
33 AC CUT MAIN
34 LINE MUTE
35 VMUTE2
36 VMUTE
37 SYS RST
38 MREQ
39 AMS MUTE
40 CD POWER
41 CD A MUTE
42 TSENS
43 DSENS
60
I/O
I Acknowledgement signal input from MP3 decoder IC "L": acknowledged
O Latch signal output to MP3 decoder IC "L": enable
O Chip select signal output MP3 decoder IC "L": enable
I Remote control signal input
O Serial data signal output to MP3 decoder IC
I Serial data signal input from MP3 decoder IC
O Serial data transfer clock signal output to MP3 decoder IC
— Ground pin
— Ground pin
I Sub system clock signal input (32.768 kHz)
O Sub system clock signal output (32.768 kHz)
System reset signal input from the reset signal IC "L": reset
I After the power supply rises, "L" is input for several hundreds msec and then change
to "H".
O Main system clock signal output (16 MHz)
— Ground pin
I Main system clock signal input (16 MHz)
— Power supply pin (+3.3 V)
I Non-maskable interrupt input
O Reset signal output to MP3 decoder IC
I Subcode sync (S0+S1) detection signal input from the digital signal processor
I AC off detection signal input from the reset signal IC "L": AC cut detected
I Internal status detection monitor signal input from the digital signal processor
O Serial data transfer clock signal output to the digital signal processor
O Serial data latch pulse signal output to the digital signal processor
O Serial data signal output to the digital signal processor
Reset signal output to the digital signal processor and the motor/col driver
O
"L": reset
O BD DSP oscillation on/off control signal output "H": on
I Not used in this set. (Open)
O Main power on/off control signal output "H": power on
I/O Clock signal for IIC communication between master control IC and display control IC
I/O Data signal for IIC communication between master control IC and display control IC
O Standby mode signal output to MP3 decoder IC "L": standby mode
O Recording muting on/off control signal output "L": muting on
I Under voltage protection detection signal input "L": under voltage datected
O Line muting on/off control signal output "H": muting on
I Not used in this set. (Open)
I Not used in this set. (Open)
I Not used in this set. (Open)
I Not used in this set. (Open)
O AMS signal muting on/off control signal output "H": muting on
O Power on/off control signal output "H": power on
O CD analog signal muting on/off control signal output "H": power on
I Disc tray position detection signal input from CDM
I Disc existence detection signal input from CDM
Pin Description