4. TEST POINTS AND LOCATIONS ....................................................................3-20
Part 4: Troubleshooting
1. TROUBLESHOOTING......................................................................................4-1
1.1 No Power ..................................................................................................4-1
1.2 No Sound ..................................................................................................4-6
1.3 No Picture .................................................................................................4-7
2. CONTROL PORT FUNCTIONS .......................................................................4-9
2.1 System Control & I/O Port Functions ........................................................4-9
3. WAVEFORMS ..................................................................................................4-11
4. IC BLOCK DIAGRAMS .....................................................................................4-14
Part 5: Parts Catalog
Part 6: Electrical Diagrams
1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM..............6-1
2. PIN DESCRIPTION OF DIODE, TRANSISTOR AND IC..................................6-3
Circuit Block Diagram........................................................................................A1
Power Supply Lines ..........................................................................................A2
Schematic Diagrams .........................................................................................A3
Printed Wiring Board Diagrams.........................................................................A10
V
Summary of Contents for D78-5132
Page 2: ......
Page 3: ...CANON Multimedia Projector LV 7105U D78 5132 LV 7105E D78 5133 SERVICE SMANUAL ...
Page 10: ......
Page 11: ...Part 1 General Information ...
Page 12: ......
Page 33: ...Part 2 Repair Information ...
Page 34: ......
Page 54: ......
Page 55: ...Part 3 Adjustment ...
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Page 77: ...Part 4 Troubleshooting ...
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Page 81: ... Memo Part 4 Troubleshooting 4 3 ...
Page 94: ...Part 4 Troubleshooting 4 16 M62358FP DAC IC431 CXD3503R White Uniformity Compensation IC471 ...
Page 96: ...Part 4 Troubleshooting 4 18 IDT71V016S RAM IC811 CXA2016S Sync Separator IC1021 ...
Page 97: ...Part 4 Troubleshooting 4 19 MC10H351ML IC1501 LM76CHMX Thermal Sensor IC1831 IC1832 ...
Page 99: ...Part 4 Troubleshooting 4 21 TC4053BF Switching IC5001 SAA7114H Digital Video Processor IC5101 ...
Page 100: ...Part 4 Troubleshooting 4 22 ...
Page 101: ...Part 5 Parts Catalog ...
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Page 118: ...Part 6 Electrical Diagrams ...
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