Canon LV-7105E/D78-5133 User Manual Page 9
- Page / 134
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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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
- SERVICE MANUAL 1
- CANON Multimedia Projector 3
- 1. Service Manual Composition 5
- 2. Model Differences 5
- 3. Tools & Test Equipment 6
- CONTENTS 7
- Part 3: Adjustment 8
- Part 4: Troubleshooting 9
- Part 5: Parts Catalog 9
- Part 6: Electrical Diagrams 9
- Information 11
- 1. FEATURES 13
- 1.2 Major Features 14
- Part 1: General Information 15
- 2. LV-7105 SPECIFICATIONS 17
- 2.2 Connectors 18
- 2.3 Accessories 18
- 2.4 Other specifications 18
- 3. NOMENCLATURE 19
- 3.2 Top controls 20
- 3.3 Rear panel terminals 21
- 3.4 Computer Input terminal 22
- 3.5 Control port connector 22
- 3.6 Remote control 23
- 3.7 Operating range 24
- 4. COMMENTARY 25
- 4.3 Hybrid gamma correction 26
- 4.4 Fan speed control 26
- 5. CONNECTING 28
- 6. SETTING-UP THE PROJECTOR 30
- 1. SAFETY INSTRUCTIONS 35
- 2. CIRCUIT PROTECTIONS 36
- Air filters 37
- Part 2: Repair Information 38
- 3. MECHANICAL DISASSEMBLIES 39
- 3.3 Main Board Removal 40
- 3.4 Fuse Removal 40
- 3.6 Line Filter Board Removal 41
- 3.8 Power Board Removal 42
- 3.10 Audio Amp. Board Removal 43
- 3.12 AC Inlet Ass’y Removal 44
- 4.1 Projection Lens Removal 45
- 4.2 Optical Unit Top Removal 45
- A cutting corner 48
- Dot marker 48
- LCD Panel/Prism Ass’y 50
- 6. CLEANING 51
- 7. LAMP REPLACEMENT 52
- Lamp Age 53
- 0123 Hours 53
- Adjustment 55
- 1. BEFORE ADJUSTMENTS 57
- Part 3: Adjustment 58
- 1.3 Service Conditions 60
- Service Adjustment Data Table 61
- 2. ELECTRICAL ADJUSTMENTS 63
- 2.3 PC-Offset Adjustment 64
- 2.4 PC Gain Adjustment 64
- 2.5 Component Gain Adjustment 65
- 2.6 AV Gain Adjustment 66
- 2.7 PSIG Adjustment 66
- 2.8 Signal Center Adjustment 67
- 2.10 PC/AV-Video Adjustment-1 68
- 2.11 PC/AV-Video Adjustment-2 69
- 2.12 S/H Clock Adjustment 69
- 2.13 Common Center Adjustment 70
- 2.14 White Balance Adjustment 70
- 2.15 Black Balance Adjustment 71
- 3. OPTICAL ADJUSTMENTS 72
- B to make color 73
- 3.3 Relay Lens Adjustment 75
- 4. TEST POINTS AND LOCATIONS 76
- Troubleshooting 77
- 1. TROUBLESHOOTING 79
- <Memo> 81
- 1.2 No Sound 84
- 1.3 No Picture 85
- 2. CONTROL PORT FUNCTIONS 87
- 3. WAVEFORMS 89
- 4. IC BLOCK DIAGRAMS 92
- ● M62358FP <DAC, IC431> 94
- ● MC10H351ML <IC1501> 97
- ● AV9155C <PLL, IC1961> 98
- Part 4: Troubleshooting 100
- Multimedia Projector 103
- LV-7105U REF.NO.D71-5132 103
- LV-7105E D71-5133 103
- Power Projector 103
- LV-7105J D71-5131 103
- LV-7105U D78-5132 105
- LV-7105E D78-5133 105
- PARTS LIST 106
- Electrical 118
- Diagrams 118
- Part 6: Electrical Diagrams 120
- Example 1/2 D J 10K B 121
- Example 6 W K 8.2 121
- Example 1/2 C K 1M 121
- SYSTEM CONTROL 123
- CONVERSION 123
- ASSY PWB, LINE FILTER 124
- 1AA0B10C3010B 125
- ASSY,PWB,TEMP MP6A 125
- 1AASB10C3110A 125
- ASSY,PWB,POWER MP6A SERVICE 125
- AV BOARD 126
- MAIN BOARD 126
- BA033FP-E2 127
- MN1382-Q-TX 127
- (IC6101 108P) 128
- MP6AA-05 129
- LC24049A-TA7 130
- COMPONENT BOARD 131
- (LV-7105U/E) 132
- (PCB_MP6PA/PP6PA) 133
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