3.5 Optical Adjustment Setting ...................................................................... 3-18
4. TEST POINTS AND LOCATIONS ................................................................... 3-19
Part 4: Troubleshooting
1. TROUBLESHOOTING ..................................................................................... 4-1
1.1 No Power ................................................................................................. 4-1
1.2 No Picture ................................................................................................ 4-3
1.3 No Sound ................................................................................................. 4-5
1.4 Lens Motor Problems ............................................................................... 4-6
2. CHASSIS BLOCK DIAGRAMS ........................................................................ 4-7
2.1 Chassis Over View .................................................................................. 4-7
2.2 Inputs & Video Signal Processing Stage ................................................. 4-8
2.3 LCD Panel Driving Stage ......................................................................... 4-9
2.4 Audio Signal Processing Circuit ............................................................... 4-10
2.5 Motor Driving Circuit ................................................................................ 4-11
2.6 System Controls ...................................................................................... 4-12
2.7 Power Supply & Protection Circuit ........................................................... 4-13
2.8 Fan Control Circuit ................................................................................... 4-14
3. CONTROL PORT FUNCTIONS ...................................................................... 4-15
3.1 System Control & I/O Port Table ............................................................. 4-15
4. WAVEFORMS ................................................................................................. 4-17
5. IC BLOCK DIAGRAMS .................................................................................... 4-18
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
Schematic Diagrams .........................................................................................A3
Printed Wiring Board Diagrams.........................................................................A10
V
Summary of Contents for D78-5382
Page 2: ...CANON Power Projector LV 5200U D78 5382 LV 5200E D78 5383 SERVICE SMANUAL ...
Page 9: ...Part 1 General Information ...
Page 25: ...Part 2 Repair Information ...
Page 45: ...Part 3 Adjustment ...
Page 65: ...Part 4 Troubleshooting ...
Page 84: ...Part 4 Troubleshooting 4 19 AD9884AKS A D IC8201 AN5870SB RGB SW IC5201 ...
Page 88: ...Part 4 Troubleshooting 4 23 LA7217 Sync Separator IC5361 M62392 D A IC3561 ...
Page 89: ...Part 4 Troubleshooting 4 24 M62393 D A IC281 IC7801 NJM2284M Switch IC2101 ...
Page 91: ...Part 4 Troubleshooting 4 26 VPC3230D Video Decoder IC3101 ...
Page 92: ...Part 5 Parts Catalog ...
Page 94: ......
Page 101: ...45 45 45 45 52 52 a 52 Page 4 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Page 107: ...U 1 U 2 V 1 W X Y Z 1 Page 7 Z 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Page 111: ...Part 6 Electrical Diagrams ...