Part 4: Troubleshooting
1. TROUBLESHOOTING ..................................................................................... 4-1
1.1 Indicators and Projector Condition ........................................................... 4-1
1.2 No Power ................................................................................................. 4-2
1.3 Power Control Timing Chart ..................................................................... 4-5
1.4 No Picture ................................................................................................ 4-7
1.5 No Sound ................................................................................................. 4-9
2. CONTROL PORT FUNCTIONS ...................................................................... 4-10
2.1 System Control & I/O Port Table (IC301) ................................................ 4-10
2.2 IIC Bus D/A Converter (IC3531, M62398FP) Port Functions .................. 4-11
2.3 IIC Bus D/A Converter (IC7961, M62393FP) Port Functions .................. 4-12
2.4 Output Expander (IC1801, TC74LCX574FT) Port Functions .................. 4-12
2.5 Output Expander (IC1802, TC74LCX574FT) Port Functions .................. 4-12
2.6 Output Expander (IC1803, TC74LCX574FT) Port Functions ................... 4-13
2.7 Output Expander (IC1804, TC74LCX574FT) Port Functions ................... 4-13
2.8 LAMP CPU (IC4811, PIC16F88) Port Functions ...................................... 4-13
3. WAVEFORM .................................................................................................... 4-14
4. IC BLOCK DIAGRAMS .................................................................................... 4-15
Part 5: Parts Catalog
Part 6: Electrical Diagrams
1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM .............. 6-1
2. DIODE, TRANSISTOR AND IC PINS............................................................... 6-3
Chassis Block Diagrams ................................................................................... 6-4
Schematic Diagrams ......................................................................................... A3
Printed Wiring Board Diagrams......................................................................... A9
V
Содержание LV-X4U
Страница 2: ...CANON Multimedia Projector LV X4U D78 5532 LV X4E D78 5533 SERVICE SMANUAL ...
Страница 9: ...Part 1 General Information ...
Страница 26: ...Part 2 Repair Information ...
Страница 43: ...Part 3 Adjustment ...
Страница 62: ...Part 4 Troubleshooting ...
Страница 79: ...Part 4 Troubleshooting 4 17 AN5870SB RGB SYNC SW IC5201 LM4889 Audio Amplifier IC5031 ...
Страница 81: ...Part 4 Troubleshooting 4 19 FA5502 P F Control IC621 VPC3230D Video Decoder IC101 ...
Страница 82: ...Part 4 Troubleshooting 4 20 L3E07070 Signal Processor for TFT LCD IC401 NJW1141 Audio Selector IC5001 ...
Страница 83: ...Part 4 Troubleshooting 4 21 STR Z2156A Power Switching Control IC631 PW168A Scaler Main CPU IC301 ...
Страница 84: ...Part 4 Troubleshooting 4 22 TA1370FG Sync Separator Frequency Counter IC5302 ...
Страница 85: ...Part 5 Parts Catalog ...
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Страница 96: ...V 1 U 2 U 1 V 2 Z 1 Z 2 X Y W Accessories Page 5 CANON LV X4J LV X4U LV X4E REF NO D78 5531 D78 5532 D78 5533 ...
Страница 100: ...Part 6 Electrical Diagrams ...