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1.3 No Picture
1)
AV
board
1. Check that the Vcc-vo5V, -5V) are applied to AV circuits.
Pins 47-50 of K10A, Pins 47-54 of K10B ..............5V
Pins 39-42 of K10B ..............................................-5V
Check IC1001, IC1002 and IC1021.
2. Check that the following input signals are observed correctly.
2) Main board
1. Check the signals at following test points.
• Video signal at TP208, TP218
• V-sync signal at TP7224
• H-sync signal at TP7223
2. Check that the PC/AV switching signal is correct.
Pin 16 of IC5201 .................................................AV: H, PC: L
Pin 5 of IC5282 ....................................................AV: H, PC: L
3. Check that the RGB signals are observed at following test points.
TP211, TP221R, TP2211R ....................................R-signal
TP212, TP221G, TP2221G....................................G-signal
TP213, TP221B, TP2231B ....................................B-signal
4. Check that the signals are observed at following test points.
TPDHS, TP3322 ...................................................V-Sync,
TPDVS, TP3321 ...................................................H-Sync
5. Check that the S/H signals are observed at following test points.
TP501, TP511 ......................................................R-signal
TP531, TP512 ......................................................G-signal
TP561, TP513 ......................................................B-signal
6. Check that the NRS signals are observed at test points TP3581 and TP3582.
Part 4: Troubleshooting
4-7
SIGNAL
K10A-pin No. K50A-pin No.
V-Sync
17-18
17-18
H-Sync
15-16
15-16
B
11-12
11-12
G
9-10
9-10
R
7-8
7-8
Video
33-34
33-34
S-C
29-30
29-30
S-Y
25-26
25-26
Содержание D78-5152
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Страница 3: ...CANON Multimedia Projector LV 5110U D78 5152 LV 5110E D78 5153 SERVICE SMANUAL ...
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Страница 11: ...Part 1 General Information ...
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Страница 33: ...Part 2 Repair Information ...
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Страница 55: ...Part 3 Adjustment ...
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Страница 77: ...Part 4 Troubleshooting ...
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Страница 81: ... Memo Part 4 Troubleshooting 4 3 ...
Страница 91: ...Part 4 Troubleshooting 4 13 TP513 S H B OUTPUT TP562 S H B OUTPUT TP561 S H B INTPUT ...
Страница 92: ...Part 4 Troubleshooting 4 14 4 IC BLOCK DIAGRAMS FA5332M Power Factor Control IC01 AN5265 AUDIO OUTPUT IC001 ...
Страница 93: ...Part 4 Troubleshooting 4 15 PW164 10RK System Control Scan Converter IC301 CXA2111R LCD Driver IC401 ...
Страница 94: ...Part 4 Troubleshooting 4 16 M62358FP DAC IC431 CXD3503R White Uniformity Compensation IC471 ...
Страница 95: ...Part 4 Troubleshooting 4 17 CXA2112R Sample Hold IC501 IC531 IC561 STR Z2156 Power Switching Control IC631 ...
Страница 96: ...Part 4 Troubleshooting 4 18 IDT71V016S RAM IC811 CXA2016S Sync Separator IC1021 ...
Страница 97: ...Part 4 Troubleshooting 4 19 MC10H351ML IC1501 LM76CHMX Thermal Sensor IC1831 IC1832 ...
Страница 99: ...Part 4 Troubleshooting 4 21 TC4053BF Switching IC5001 ET1030F0A Level Shift IC3501 IC3531 IC3561 ...
Страница 100: ...Part 4 Troubleshooting 4 22 SAA7114H Digital Video Processor IC5101 ...
Страница 101: ...Part 5 Parts Catalog ...
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Страница 103: ...PARTS CATALOG Multimedia Projector LV 5110U REF NO D78 5152 LV 5110E D78 5153 Power Projector LV 5110J D78 5151 ...
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Страница 113: ...U 1 U 2 V 1 V 2 W 1 X 1 Z Page 5 CANON LV 5110J REF No D78 5151 LV 5110U D78 5152 LV 5110E D78 5153 ...
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Страница 118: ...Part 6 Electrical Diagrams ...
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