Sony ZS-M30 Service Manual page 34

ZS-M30
• MD BOARD IC601 MD System control ( M30620MCA-A73FP )
Pin No. Pin Name
1 LCD_DATA
2 LCD_CLK
3 LCD_CE
4 LCD_AO
5–7
8 BYTE
9 CNVss
10,11
12 SYS–RST
13 EXTAL
14 Vss
15 XTAL
16 Vcc
17
18
19 XINT
20 PDOWN
21
22 LEO–0
23 LEO–1
24 LEO–2
25–30
31 SWDT
32 SRDT
33 SCLK
34 XLATCH
35 TXD(UART)
36 RXD(UART)
37 RTS(T)
38 CTS(R)
39,40
41
42 – 45
46
47– 50
51 A–MUTE
52 SDA
53 SCL
54 2654/2662
55 STB
56 SCTX
57 EMP
58 DIG–RST
59 WRPWR
60 DA–RST
61 MOD
62 Vcc
63
34
I/O
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN) (connect to ground)
— Ground terminal
— Not used (OPEN)
I System reset input "L" reset
O Main system clock output terminal (12MHz)
— Ground terminal
I Main system clock input terminal (12MHz)
— Power supply terminal
— Not used (fixed at "L" )
— Not used (OPEN)
I Sub system clock input terminal (32.768KHz)
I Power down signal input from main system control (IC801)
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN)
— Not used (OPEN)
O Writing data signal output to the serial bus
I Reading signal input from the serial bus
O Clock signal output to the serial bus
O Latch signal output to the serial bus
I Communication UART transfer input for main system control (IC801)
O Communication UART receive output for main system control (IC801)
I UART transfer request input from master system control (IC801)
O UART transfer request output to master system control (IC801)
— Not used (OPEN)
— Not used (fixed at "L" )
— Not used (OPEN)
— Not used (fixed at "H" )
— Not used (OPEN)
— Not used (OPEN)
I/O Serial data IN/OUT terminal for EEPROM (IC603)
O Serial clock output terminal for EEPROM (IC603)
I Destination select terminal
O Power ON/OFF control signal output
Writing data transmission timing output to the CXD2654R (IC504)
O
shared with the magnetic head ON/OFF output
O Diemphasis ON/OFF control signal output
O Reset signal output "L" reset
O Write power ON/OFF output
O Reset signal output to the D/A, A/D converter (IC604)
O Laser modulation swithing signal output
— Power supply terminal
— Not used (OPEN)
Pin Description