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[1080i pedestal adjustment]
1. Input 3 Receive the 16-step gray scale component [1080i] signal in
COMPONENT
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point "TP21G" (+) and ground (–).
4. Select item no. "1" of group no. "3" and change data value to adjust the pedestal level
and black level to be same level.
5. Connect the oscilloscope to test point "TP21B" (+) and ground (–).
6. Select item no. "14" of group no. "5" and change data value to adjust the pedestal
level and black level to be same level.
7. Connect the oscilloscope to test point "TP21R" (+) and ground (–).
8. Select item no. "13" and change data value to adjust the pedestal level and black level
to be same level.
2.10 HDTV A/D Input Adjustment
[480p A/D input adjustment]
1. Input 3 Receive the 16-step gray scale component [480p] signal in
COMPONENT
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point "TP21G" (+) and ground (–).
4. Select item no. "0" of group no. "3" and change data value to adjust it so that
waveform amplitude "a" is 0.9 ± 0.1 V.
5. Connect the oscilloscope to test point "TP21B" (+) and ground (–).
6. Select item no. "4" and change data value to adjust it so that waveform amplitude "a"
is 0.9 ± 0.1 V.
7. Connect the oscilloscope to test point "TP21R" (+) and ground (–).
8. Select item no. "2" and change data value to adjust it so that waveform amplitude "a"
is 0.9 ± 0.1 V.
Part 3: Adjustment
3-14
(a)
Fig. 3-8
Содержание LV-7545U
Страница 2: ...CANON Power Projector LV 7545E D78 5231 SERVICE SMANUAL ...
Страница 9: ......
Страница 10: ...Part 1 General Information ...
Страница 23: ...7 SUPPORTED COMPUTER SYSTEM MODE See the attached sheet Owner s Manual page 26 Part 1 General Information 1 13 ...
Страница 24: ......
Страница 25: ...Part 2 Repair Information ...
Страница 46: ...Part 3 Adjustment ...
Страница 69: ...Part 4 Troubleshooting ...
Страница 86: ...Part 4 Troubleshooting 4 17 BH3540 Volume Control IC1652 CXA2101AQ RGB Matrix IC4101 ...
Страница 87: ...Part 4 Troubleshooting 4 18 FA5332M P F Controller IC601 FA7612CA PWC Controller IC6602 IC6603 IC6616 ...
Страница 90: ...Part 4 Troubleshooting 4 21 LB1645 Motor Drive IC1601 LC863316 SUB CPU IC1851 ...
Страница 91: ...Part 4 Troubleshooting 4 22 ML60851 USB I F IC9801 M62393 D A IC212 IC2381 ...
Страница 92: ...Part 4 Troubleshooting 4 23 M62399 D A IC3501 IC3551 PW365 System Control Scan Converter IC301 ...
Страница 93: ...Part 4 Troubleshooting 4 24 SII161ACT DVI I F IC8001 STR Z2156 Power Switching IC651 ...
Страница 94: ...Part 4 Troubleshooting 4 25 TA1287 RGB YUV Converter IC4551 TB1274AF Video Decoder IC1101 ...
Страница 95: ...Part 4 Troubleshooting 4 26 TDA7056 Audio Output IC1631 IC1632 ...
Страница 96: ...Part 5 Parts Catalog ...
Страница 97: ......
Страница 101: ...62 54 63 53 62 58 61 64 56 59 70 71 52 55 65 Page 2 CANON LV 7545J REF No D78 5231 LV 7545U D78 5232 LV 7545E D78 5233 ...
Страница 105: ...Page 4 CANON LV 7545J REF No D78 5231 LV 7545U D78 5232 LV 7545E D78 5233 23 a 23 b 23 51 b 51 a 51 43 43 2 ...
Страница 113: ...Part 6 Electrical Diagrams ...
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