2.12 Gamma Shift Adjustment
[PC-gamma off adjustment]
1. Receive the 16-step gray scale computer signal.
2. Set to
COMPUTER
mode.
3. Enter the service mode, select item no. "6" of group no. "2" and change data value to
adjust it so that the gray scale screen appears correctly on the screen.
[AV-gamma off adjustment]
4. Receive the 16-step gray scale video signal.
5. Set to
VIDEO
mode.
6. Enter the service mode, select item no. "6" of group no. "2" and change data value to
adjust it so that the gray scale screen appears correctly on the screen.
2.13 White Balance Adjustment
[PC white balance adjustment]
1. Receive the 16-step gray scale computer signal.
2. Set to
COMPUTER
mode.
3. Enter the service mode, select item no. "7" (Red) or "8" (Blue) of group no. "2", and
change data values respectively to make a proper white balance.
4. Perform step 3 with the
BRIGHT
button
ON
and
OFF
.
[AV white adjustment]
5. Receive the 16-step gray scale video signal.
6. Set to
VIDEO
mode.
7. Enter the service mode, select item no. "7" (Red) or "8" (Blue) of group no. "2", and
change data values respectively to make a proper white balance.
8. Perform step 7 with the
BRIGHT
button
ON
and
OFF
.
* Verify that the white balance for video input is equal to that for computer input.
2.14 Note on White Uniformity Adjustment
If you find the color shading on the screen, adjust the white uniformity by using the
proper computer and "Color Shading Correction" software.
The software is supplied with this service manual.
Part 3: Adjustment
3-15
Summary of Contents for LV-7355J
Page 9: ...Part 1 General Information ...
Page 22: ...Part 2 Repair Information ...
Page 43: ...Part 3 Adjustment ...
Page 65: ...Part 4 Troubleshooting ...
Page 82: ...Part 4 Troubleshooting 4 17 BA7078AF Selector IC6241 CXA2101AQ RGB Matrix IC4101 ...
Page 85: ...Part 4 Troubleshooting 4 20 ML60851 USB I F IC9801 M62393 D A IC2571 ...
Page 86: ...Part 4 Troubleshooting 4 21 TB1274AF Video Decoder IC1101 TA1318N AFC Detector IC6171 ...
Page 88: ...Part 5 Parts Catalog ...
Page 89: ......
Page 107: ...Part 6 Electrical Diagrams ...
Page 117: ......