Sony HCD-CPZ1DAB, Руководство по обслуживанию, Страница: 56 / 90

56
HCD-CPZ1DAB
MAIN BOARD IC301 M30624MGP-A59FPU0 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1
POWER
PROTECT2
I AC input detection terminal
2 ST MUTE O Tuner muting on/off control signal output terminal "H": muting on
3 DR MUTE O
System reset signal output to the motor/coil driver "L": reset
4
SIRCS
I
Remote control signal input terminal
5 MP3 DATA OUT O MP3 serial data output to the CD DSP
6
MP3 DATA IN
I
MP3 serial data input from the CD DSP
7
MP3-CLK
O
MP3 serial data transfer clock signal output to the CD DSP
8 BYTE I External data bus line byte selection signal input fixed at "L"
9 CNVSS -
Processor mode switch terminal (for test)
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11 XCOUT O Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
13
XOUT
O
Main system clock output terminal (10 MHz)
14 VSS - Ground terminal
15
XIN
I
Main system clock input terminal (10 MHz)
16
VCC
-
Power supply terminal (+3.3V)
17 NMI I Non-maskable interrupt input terminal Not used
18 RDS INT I
Interrupt status input from the RDS decoder on the tuner unit
19 CD SCOR I
Sub-code sync (S0+S1) detection signal input from the CD DSP
20
AC CUT
I
AC detection signal input terminal "L": AC off
21 ST CLK O PLL serial data transfer clock signal output to the tuner unit
22 ST DATA IN I
PLL serial data input from the tuner unit
23 ST DATA OUT O
PLL serial data output to the tuner unit
24 ST CE O PLL serial chip enable signal output to the tuner unit
25 TUNED IN I
Tuning detection signal input from the tuner unit
26 RDS DATA
I
Serial data input from the RDS decoder on the tuner unit
27 TC TRG O Trigger plunger on/off control signal output "H": plunger on
28
TC CAPM CNT1
O
TC capstan motor drive signal output terminal
29 IIC CLK I/O
IIC data reading clock signal input or transfer clock signal output terminal Not used
30 IIC DATA I/O IIC two-way data bus terminal Not used
31 DAB-DO O
Serial data output to the DAB tuner module
32 DAB-DI I
Serial data input from the DAB tuner module
33 TC PB/REC SW O Playback/record selection signal output "L": playback, "H": record
34 TC LINE MUTE O
Line muting on/off selection signal output to the REC/PB AMP
35 LCD DATA O
Serial data output to the LCD
36 LCD-CLK O Serial data transfer clock signal output to the LCD
37
CD CLK I CD serial data transfer clock signal input from the CD DSP
38 TC REC MUTE O
Recording muting on/off control signal output terminal
39 ALC O
Automatic limiter control signal output terminal
40 S-MASTER INIT O
Initialize signal output to the stream processor
41
S-MASTER
NSP MUTE
O
NSP muting on/off signal output to the stream processor
42 S-MASTER LATCH O Serial data latch pulse signal output to the stream processor
43 S-MASTER SHIFT O
Shift clock signal output to the stream processor