Sanyo Projector PLC-XU45 User Manual Page 43
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- Table of contents
- TROUBLESHOOTING
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1R Reset Fixed “H”
2 SCL IIC SCL Active “L”
3SDA IIC SDA Active “L”
4AO7 RCLP R Signal clamp reference voltage
5AO8 GCLP G Signal clamp reference voltage
6AO9 BCLP B Signal clamp reference voltage
7AO10 AV/PC AV/PC switch (L: AV H: PC)
8AO11 SYNC_SW Fixed “H”
9AO12 G_BLK_DC Video G signal pedestal voltage
10 VrefL D/A converter lower ref. voltage Connected to GND
11 VrefU1 D/A converter upper ref. voltage (CH7~CH12) Vcc(5V)
12 GND GND GND
13 VrefU2 D/A converter upper ref. voltage(CH1~CH6) Vcc(5V)
14 AO1 SCP SW Sandcastle pulse SW Video/S-Video/480i/575i: L else: H
15 AO2 BLANK SW H Blank width SW 1080i/1035i/720p/480p/575p: H else: L
16 AO3MACRO H: PC, AV(1080i50Hz) L: AV
17 AO4CBAL_SW Color uniformity correction SW
18 AO5 B_BLK_DC Video B signal pedestal voltage
19 Ao6 R_BLK_DC Video R signal pedestal voltage
20 Vcc Digital power supply Vcc(5V)
21 Vdd Analo gpower supply Vcc(5V)
22 CS2 Chip Select 2 Fixed “L”
23 CS1 Chip Select 1 Fixed “H”
24 CS0 Chip Select 0 Fixed “H”
Pin No. Name Function Action
● IIC Bus DA Converter (IC2161) Port Functions
Control Port Functions
1R Reset Fixed “H”
2 SCL IIC SCL Active “L”
3SDA IIC SDA Active “L”
4AO7 REF_B D/A reference voltage
5AO8 REF_G D/A reference voltage
6AO9 REF_R D/A reference voltage
7AO10 Not used 0V fixed
8AO11 Not used 0V fixed
9AO12 Not used 0V fixed
10 VrefL D/A converter lower ref. voltage Connected to GND
11 VrefU1 D/A converter upper ref. voltage (CH7~CH12) Vcc(5V)
12 GND GND GND
13 VrefU2 D/A converter upper ref. voltage (CH1~CH6) Vcc(5V)
14 AO1 B-CENT Video center voltage
15 AO2 G-CENT Video center voltage
16 AO3 R-CENT Video center voltage
17 AO4DWN Panel control signal
18 AO5RGT Panel control signal
19 AO6XRGTPanel control signal
20 Vcc Digital power supply Vcc(5V)
21 Vdd Analog power supply Vcc(5V)
22 CS2 Chip Select 2 Fixed “L”
23 CS1 Chip Select 1 Fixed “L”
24 CS0 Chip Select 0 Fixed “L”
Pin No. Name Function Action
● IIC Bus DA Converter (IC1581) Port Functions
1R Reset Fixed “H”
2 SCL IIC SCL Active “L”
3SDA IIC SDA Active “L”
4AO5 Not used
5AO6 VCOMR
6AO7 VCOMG
7AO8 VCOMB
8 VrefL D/A converter lower ref. voltage Connected to GND
9 VrefU1 D/A converter upper ref. voltage (CH5~CH8) Connected to Vcc
10 GND GND GND
11 VrefU2 D/A converter upper ref. voltage (CH1~CH4) Connected to Vcc
12 AO1 NRSB
13 AO2 NRSA
14 AO3 Not used
15 AO4 Not used
16 Vcc 5 V Vcc(5V)
17 Vdd 5 V Vdd(5V)
18 CS2 Chip Select 2 Fixed “L”
19 CS1 Chip Select 1 Fixed “L”
20 CS0 Chip Select 0 Fixed “H”
Pin No. Name Function Action
● IIC Bus DA Converter (IC2571) Port Functions
- SERVICE MANUAL 1
- ■ Contents 2
- ■ Safety Instructions 3
- ■ Specifications 4
- Disassembly / Replaced Parts 5
- Optical Adjustments 5
- ■ Circuit Protections 6
- ■ Mechanical Disassemblies 8
- , Optical Unit removal (1) 11
- , Optical Unit removal (2) 12
- ⁄0 Fan (FN905) removal 13
- ■ Optical Parts Disassemblies 14
- , Optical Unit Top removal 17
- Locations and Directions 18
- Do not replace the LCD 19
- ■ Lamp Replacement 20
- ■ Optical Adjustments 21
- A with the 2.0mm hex driv 22
- C with the 2.0mm hex driver 22
- ■ Electrical Adjustments 25
- ● Circuit Adjustments 26
- 121v Signal Center adjustment 27
- 121c NRS adjustment 27
- 1211x Pedestal adjustment 27
- . Common Center adjustment 28
- 121m PC Gain adjustment 28
- , AV Gain adjustment 28
- 1⁄0 Gamma Shift adjustment 29
- 1⁄1 White Balance adjustment 29
- Electrical Adjustments 30
- Test Points and Locations 34
- ■ Troubleshooting 35
- Troubleshooting 36
- No Picture 37
- Lens Motor Problems 39
- No Sound 39
- ■ Control Port Functions 40
- Control Port Functions 41
- ■ Waveform 44
- ■ Cleaning 46
- ■ IC Block Diagrams 47
- IC Block Diagrams 48
- ● M62393 <D/A, IC2571> 51
- ■ Electrical Parts List 55
- Noise Filter 56
- ME3-XU4500, MF3-XU4600 57
- Electrical Parts List 58
- TEMP BOARD 79
- ACCESSORIES 80
- ■ Mechanical Parts List 81
- ● Optical Parts 82
- Mechanical Parts List 83
- *Optical filter(WV) 84
- *Polarized glass 84
- Model PLC-XU45 85
- Model PLC-XU46 85
- SANYO Electric Co., Ltd 88
- Schematic Diagrams 89
- Printed Wiring Board Drawings 89
- ■ Diagrams & Drawings 89
- Coil Reading 90
- Capacitor Reading 90
- Resistor Reading 90
- Diode/Transistor Type Reading 90
- ■ Circuit Block Diagram 91
- ■ Power Supply Lines 92
- 1AA4B10C3130A 93
- 1AA4B10C3130B 93
- 1AA4B10C3120A_A 94
- LAMP BALLAST 95
- 1AA4B10C3250A_C 96
- PCB_ME3A A9 97
- A10 PCB_ME3A 98
- ■ Schematic Diagrams 99
- MAIN BOARD 100
- AV BOARD 101
- DVI BOARD 101
- MAIN BOARD-1/6 102
- AIR MOUSE 103
- CONTROLLER 103
- MAIN BOARD-2/6 104
- DETECTOR 105
- MAIN BOARD-3/6 106
- AD9884AKS-100 106
- CONVERTER 106
- PW365-10U 107
- SYSTEM CONTROL 107
- MAIN BOARD-4/6 108
- ML60851CTB 109
- MAIN BOARD-5/6 110
- L3E07050K0A 111
- MAIN BOARD-6/6 112
- SCH_ME3A 114
- ● Transistor/FET 115
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