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Part 4: Troubleshooting
4-4
Check AV source selecting stage;
Check S-video signal (Y/C) on the AV board.
Check IC2101, Video/S-Video-sw, and IC3101, Video
decoder, and peripheral circuit.
S/CV-SW signal (S-Video:H) is applied on pins 2, 7 and
12 of IC2101, output from pin 17 of IC1804.
No picture with S-VIDEO
input source
Check AV source selecting stage;
Check component signal (Y/Cr,Pr/Cb,Pb) on the AV
board.
Check IC5201, PC/AV RGB SW, and IC8201, A/D
conversion and peripheral circuit.
Check IC2101, Video/S-Video-sw, and IC3101, Video
decoder, and peripheral circuit.
PC/AV_SW5 signal (PC: H) is applied on pin 26 of
IC5201, output from pin 16 of IC1804 through IC1351,
buffer IC.
No picture with
Component input source
Check AV source selecting stage;
Check composite video signal (Video) on the AV board.
Check IC2101, Video/S-Video-sw, and IC3101, Video
decoder, and peripheral circuit.
S/CV-SW signal (Video:L) is applied on pins 2, 7 and 12
of IC2101, output from pin 17 of IC1804.
Check IC2101, Video/S-Video-sw, and IC3101, Video
decoder, and peripheral circuit.
PC/AV_SW5 signal (PC: H) is applied on pin 26 of
IC5201, output from pin 16 of IC1804 through IC1351,
buffer IC.
No picture with video
input source
No
Yes
Yes
Yes
No
Check PC/AV source selecting stage and processing stage;
Check IC5201, PC/AV RGB SW, and IC8201, A/D
conversion and peripheral circuit.
Check IC5321, IC5331, PC/AV Sync selection IC, and
peripheral circuit.
PC/AV_SW5 signal (PC: H) is applied on pin 26 of
IC5201, pin 2 of IC5321, and pin 10 of IC5331, and
output from pin 16 of IC1804 through IC1351, buffer IC.
No picture with all of
computer input sources
Yes
No
Содержание D78-5382
Страница 2: ...CANON Power Projector LV 5200U D78 5382 LV 5200E D78 5383 SERVICE SMANUAL ...
Страница 9: ...Part 1 General Information ...
Страница 25: ...Part 2 Repair Information ...
Страница 45: ...Part 3 Adjustment ...
Страница 65: ...Part 4 Troubleshooting ...
Страница 84: ...Part 4 Troubleshooting 4 19 AD9884AKS A D IC8201 AN5870SB RGB SW IC5201 ...
Страница 87: ...Part 4 Troubleshooting 4 22 FA5502 P F Control IC611 CXD3526GG LCD Driver Timing Generator IC401 ...
Страница 88: ...Part 4 Troubleshooting 4 23 LA7217 Sync Separator IC5361 M62392 D A IC3561 ...
Страница 89: ...Part 4 Troubleshooting 4 24 M62393 D A IC281 IC7801 NJM2284M Switch IC2101 ...
Страница 91: ...Part 4 Troubleshooting 4 26 VPC3230D Video Decoder IC3101 ...
Страница 92: ...Part 5 Parts Catalog ...
Страница 94: ......
Страница 97: ...58 70 63 71 57 60 65 59 64 66 51 55 62 Page 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 101: ...45 45 45 45 52 52 a 52 Page 4 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 105: ...Page6 CANON LV 5200U REF NO D78 5382 LV 5200E D78 5383 A B C A6800 E FUSE LF901 L901 902 L903 LABEL2 ...
Страница 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 ...
Страница 111: ...Part 6 Electrical Diagrams ...