Sharp LC-20B6US Operation, Руководство по обслуживанию, Страница: 34 / 104

LC-20B6U-S
34
Pin No. Pin Name I/O Pin Name Function
1 VHOL1 I Vhold FOR CLOSED CAPTION
2 HLF1 I/O HLF FOR CLOSED CAPTION
3 P94/DA1/SCL3/RXD2 O SUBDin2 N.C
4 P93/DA0/SDA3/TXD2 O SUBDout2 N.C
5 P92/TB2IN/DIGR0 I CSYNC2 FOR JUDGEMENT OF PC FREQUENCY
6 P91/TB1IN I CSYNC COMPOSITE SYNCHRONIZING SIGNAL
7 P90/TB0IN I IREM1 REMOTE CONTROL
8 BYTE I BYTE GND
9 CNVSS I CNVss GND
10 P87/XCIN/DIGG0 I Xcin 32kHz OSCILLATION INPUT
11 P86/XCOUTDIGB0 O Xout 32kHz OSCILLATION OUTPUT
12 RESET I RESET L: MICROPROCESSOR RESET
13 XOUT O Xcout MICROPROCESSOR SECTION OSCILLATOR CONNECTION
14 VSS I Vss GND
15 XIN I Xin MICROPROCESSOR SECTION OSCILLATOR CONNECTION
16 VCCI I VccI POWER SUPPLY (3.3V)
17 OSC1/OSCHLF I OSCin CLOCK INPUT FOR OSD
18 OSC2 O OSCout N.C
19 P83/INT1 I PSWin MAIN POWER SUPPLY MONITORING
20 P82/INT0 I MONITOR TC90203 INTERRUPT PIN INPUT
21 OUT1 O BLK OSD BLANKING OUTPUT
22 OUT2 O OSD_I EMPHASIZED SIGNAL OUTPUT OF OSD
23 P77/HC1 O DACICS GRAY SCALE CONTROL IC CHIP SELECT
24 P76/TA3OUT O N.C
25 P75/HC0 I PCHC PC HORIZONTAL SYNCHRONIZING SIGNAL INPUT COUNT
26 P74/TA2OUT O D_L3 N.C
27 P73/CTS2.RTS2 I INCH2 INCH DISCRIMINATION PORT 2 (“H”: 13 INCH)
28 P72/SCL2/CLK2 I/O SCL2 SERIAL CLOCK LINE 2 FOR I
2
C BUS 2 SYSTEM (EEPROM, AV, SW, BS TUNER)
29 P71/SCL1/RXD2 I/O SCL1 SERIAL CLOCK LINE 1 FOR I
2
C BUS 2 SYSTEM (OTHERS)
30 P70/SDA1/SXD2 I/O SCA1 SERIAL DATA LINE 1 FOR I
2
C BUS 2 SYSTEM
31 P67/SDA2 I/O SCA2 SERIAL DATA LINE 2 FOR I
2
C BUS 2 SYSTEM
32 R/DIGR1 O OSD_R R SIGNAL OUTPUT OF OSD
33 G/DIGR1 O OSD_G G SIGNAL OUTPUT OF OSD
34 B/DIGR1 O OSD_B B SIGNAL OUTPUT OF OSD
35 P63/TXD0 O SUBDout N.C
36 P62/RXD0 I SUBDin N.C
37 P61/CLK0 I SCLK N.C
38 P60/CTS0/RTS0 O BUSY N.C
39 P57/RDY/CLKOUT O MAIN SW LED SECTION POWER SUPPLY CONTROL
40 P56/ALE O MON SW N.C
41 P55/HOLD I POWin(EPM) DC/DC STARTUP DETECTION
42 P54/HLDA I L_ERR FLUORESCENT LAMP ERROR DETECTION
43 P53/BCLK O S IN/OUT AUDIO I/O SWITCHING
44 P52/RD O JUST CLOCK N.C
45 P51/WRH/BHE O TIMER(RLED) ON-TIMER LED CONTROL (USED FOR POWER SUPPLY RLED CONTROL ABROAD)
46 P50/WRL/WR I MRDY(CE) I
2
C BUS OPEN CONNECTION SWITCHING DETECTION
47 P47/CS3 O LEDPOW(GLED) POWER SUPPLY LED CONTROL (ALSO USED FOR SUB- POWER SUPPLY
CONTROL IN JAPAN) (USED FOR POWER SUPPLY GLED CONTROL ABROAD)
48 P46/CS2 O PC/COMP SWITCHING BETWEEN PC AND COMPONENT
49 P45/CS1 O PXOE N.C
50 P44/CS0 O VSHOUT PANEL GATE DRIVER VOLTAGE CONTROL
1-2. Description of Pins of IC2001 (RH-iXA625WJZZQ)