Sanyo PLC-EF10BA, Service Manual

Page: 34 / 125

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Electrical Adjustments
1. Receive the 16-step gray scale computer signal.
2. Set to COMPUTER mode.
[R-COMMON CENTER ADJUSTMENT]
3. Cover the G and B panel to cut the light transit.
4. Select data no. “020” and change data value to obtain
the minimum flicker on the picture.
[G-COMMON CENTER ADJUSTMENT]
5. Cover the R and B panel to cut the light transit.
6. Select data no. “021” and change data value to obtain
the minimum flicker on the picture.
[B-COMMON CENTER ADJUSTMENT]
7. Cover the G and R panel to cut the light transit.
8. Select data no. “022” and change data value to obtain
the minimum flicker on the picture.
COMMON CENTER ADJUSTMENT
[CG WHITE BALANCE]
1. Receive the 16-step gray scale computer signal.
2. Set to COMPUTER mode.
3. Select data no. “014” (Red) or “016” (Blue), and
change data values respectively to make a proper
white balance.
Confirm the withe balance in AV and COMPUTER
mode.
[AV WHITE BALANCE]
1. Receive the 16-step gray scale video signal.
2. Set to VIDEO mode.
3. Select data no. “01A” (Red) or “01C” (Blue), and
change data values respectively to make a proper
white balance.
Confirm the withe balance in AV and COMPUTER
mode.
WHITE BALANCE ADJUSTMENT-[AV]
WHITE BALANCE ADJUSTMENT-[CG]
1. Receive the 16-step gray scale video signal.
2. Set to VIDEO mode.
[R-OFFSET ADJUSTMENT]
3. Cover the G and B panel to cut the light transit.
4. Select data no. “023” and change data value to disap-
pear the vertical stripes on the screen.
[G-OFFSET ADJUSTMENT]
5. Cover the R and B panel to cut the light transit.
6. Select data no. “024” and change data value to disap-
pear the vertical stripes on the screen.
[B-OFFSET ADJUSTMENT]
7. Cover the G and R panel to cut the light transit.
8. Select data no. “025” and change data value to disap-
pear the vertical stripes on the screen.
Project all lights and conform that the no vertical stripes
are observed on the screen.
OFFSET ADJUSTMENT-[AV]
1. Receive the 16-step gray scale computer signal.
2. Set to COMPUTER mode.
[R-OFFSET ADJUSTMENT]
3. Cover the G and B panel to cut the light transit.
4. Select data no. “17A” and change data value to dis-
appear the vertical stripes on the screen.
[G-OFFSET ADJUSTMENT]
5. Cover the R and B panel to cut the light transit.
6. Select data no. “17B” and change data value to dis-
appear the vertical stripes on the screen.
[B-OFFSET ADJUSTMENT]
7. Cover the G and R panel to cut the light transit.
8. Select data no. “17C” and change data value to dis-
appear the vertical stripes on the screen.
Project all lights and conform that the no vertical stripes
are observed on the screen.
OFFSET ADJUSTMENT-[CG]