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A13
PCB_MA8P
■
Printed Wiring Board Diagrams
Power Board (SIDE:A)
Power Board (SIDE:B)
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides (secondary
circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when measuring of volt-
ages and waveforms.
CAUTION
Filter Board (SIDE:B)
Sub Power Board (SIDE:A)
Sub Power Board (SIDE:B)
Filter Board (SIDE:A)
Drive Board “CN16C”
Lamp Ballast Unit “K7A”
Filter Board “K6AB”
Sub Power
Board
“CN66A”
Main Board “K8D”
Main Board “K8G”
Main Board “K8E”
Connect
Board
“K66Q”
FN906
FN903
FN902
FN901
Power
Baord
“CN6A”
SW905
SW902
Power Board
“K6AC”
Bright Board (SIDE:A)
Bright Board (SIDE:A)
Main Board
“K8R”
Summary of Contents for LV-7545U
Page 2: ...CANON Power Projector LV 7545E D78 5231 SERVICE SMANUAL ...
Page 9: ......
Page 10: ...Part 1 General Information ...
Page 24: ......
Page 25: ...Part 2 Repair Information ...
Page 46: ...Part 3 Adjustment ...
Page 69: ...Part 4 Troubleshooting ...
Page 86: ...Part 4 Troubleshooting 4 17 BH3540 Volume Control IC1652 CXA2101AQ RGB Matrix IC4101 ...
Page 90: ...Part 4 Troubleshooting 4 21 LB1645 Motor Drive IC1601 LC863316 SUB CPU IC1851 ...
Page 91: ...Part 4 Troubleshooting 4 22 ML60851 USB I F IC9801 M62393 D A IC212 IC2381 ...
Page 93: ...Part 4 Troubleshooting 4 24 SII161ACT DVI I F IC8001 STR Z2156 Power Switching IC651 ...
Page 94: ...Part 4 Troubleshooting 4 25 TA1287 RGB YUV Converter IC4551 TB1274AF Video Decoder IC1101 ...
Page 95: ...Part 4 Troubleshooting 4 26 TDA7056 Audio Output IC1631 IC1632 ...
Page 96: ...Part 5 Parts Catalog ...
Page 97: ......
Page 113: ...Part 6 Electrical Diagrams ...
Page 130: ......