Sony ZS-M30, Руководство по обслуживанию, Страница: 34 / 84

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