Canon LV-7105 Service Manual - Page 9

Part 4, Troubleshooting, Parts Catalog, Electrical Diagrams, 1 System Control & I/O Port Functions

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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

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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