Sanyo PLC-XP51, Service Manual

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Control Port Functions
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Parallel I/O Expander (IC1801, M66501FP)
1 PA1 ECO_SW Lamp Eco Mode sw Eco = H O
2 PA0 TURBO_LED Bright LED Drive O
3 Vcc 5V
4 RD READ_CPU Read Select Active L I
5 WR WRL_CPU Write Select Active L I
6 CS IO_CS Chip Select Active L I
7 RESET EXP_RST Reset input Active H I
8 GND1 GND -
9 A2 PORT_SEL2 Port Select 2 I
10 A1 PORT_SEL1 Port Select 1 I
11 A0 PORT_SEL0 Port Select 0 I
12 D0 D0 Data Bus 0 I/O
13 D1 D1 Data Bus 1 I/O
14 D2 D2 Data Bus 2 I/O
15 D3 D3 Data Bus 3 I/O
16 D4 D4 Data Bus 4 I/O
17 D5 D5 Data Bus 5 I/O
18 D6 D6 Data Bus 6 I/O
19 D7 D7 Data Bus 7 I/O
20 PC7 MOUSE/CPU_SW CPU/Air Mouse Select Mouse = L O
21 PC6 NET_SW Network Imager On/Off Net On = L O
22 PC5 NET_OUT Network Imager Sync Enable Enable = L O
23 PC4 A_MUTE Mute output O
24 PC0 CG1/CG2 Computer 1/Computer 2 SW CG1 = L O
25 PC1 CG_OUT RGB (PC Analog)/ RGB (PJ Net) signal selector PC = L O
26 PC2 NOT_RGB Soft Sharpness SW RGB = L O
27 PC3 DDC_CONT DDC PC/CPU SW CPU = H O
28 PG0 Not used I
29 PG1 NET_DET Network Imager detection Network = L I
30 PG2 OPT Micro Lens Option without u-Lens = H I
31 PG3 SCDT_DIF DVI Sync Detection DVI = H I
32 GND2 GND
33 PF0 WARNING Temp Warning LED Drive output LED On = L O
34 PF1 LAMP_REP Lamp Replace LED Drive output LED On = L O
35 PF2 READY Ready LED Drive output LED On = L O
36 PF3 PD_DIF PD DVI power down output Lamp ON = L O
37 PF4 DVI_CONT PD0 DVI power down output Enable = L O
38 PF5 DDC_WRITE HD-DDC PC/CPU SW CPU = H O
39 PF6 IRM_STB L3E07070 Strobe ON = H O
40 PF7 IRM_RST L3E07070 Reset Reset = L O
41 Vcc 5 V -
42 PE0 A SW1 Audio SW 1 ( SW1/SW2 : L/L = IN-1, H/L = IN-2, L/H = IN-3 ) O
43 PE1 A SW2 Audio SW 2 O
44 PE2 SYNC_OFF Sync OFF for RGB input Sync OFF = L O
45 PE3 SH_R_STB Sample & Hold Strobe signal_R O
46 PE4 SP_OFF Speaker output On/Off On = H O
47 PE5 SH_G_STB Sample & Hold Strobe signal_G O
48 PE6 SH_B_STB Sample & Hold Strobe signal_B
49 PE7 IO_ENB BUS I/O Enable Enable = L O
50 GND3 GND -
51 PB0 LENS_TOP Lens Top Detection Top=L I
52 PB1 Not used
53 PB2 LENS_BOTTOM Lens Bottom Detection Bottom=L I
54 PB3 Not used I
55 PB4 Not used I
56 PB5 S-SWIN S-Input Detection Yes/No Yes = H I
57 PB6 Not used I
58 PB7 Not used I
59 PA7 RC_RESET Air Mouse IC Reset H - L - H = Reset I
60 PA6 RCIDSW3 Remote control code SW ( 1/2/3 : LLL = Code1, HLL = Code2, - - - ) O
61 PA5 RCIDSW2 Remote control code SW O
62 PA4 RCIDSW1 Remote control code SW O
63 PA3 RC2_SW Rear remote control pre-amp. output On/Off Enable = L O
64 PA2 RC1_SW Front remote control pre-amp output On/Off Enable = L O
Pin No. Name Function Name Function Polarity I/O
* Following information differs from the chassis
No. MR3-XP5500, others are the same;
- IC1801 is changed from M66500FP
to M66501FP.