Tda9885 - Sanyo CE30LC3-C Service Manual

ADJUSTMENTS
IMPORTANT NOTICE
Do not attempt to adjust the following service adjustments except when adjustments are required in servicing
otherwise it may cause loss of performance and product safety.
AGC ADJUSTMENT
1. Select the clearest VHF station
2. Connect a digital voltmeter to test point TP-A and GND
3. Enter service menu : TDA9885
4. With the P or P buttons select "Write 1"
5. Adjust using the
out from the voltmeter is 3.2 Vdc.
GREY SCALE ADJUSTMENT
SCREEN ADJUSTMENT
1. Make sure the set is warm (20 mins)
2. Receive Black and White picture/pattern
3. Enter service menu "Video"
4. Select item "White Point R" or "White Point B"
5. Using the or
white, white.
HORIZONTAL ADJUSTMENT
HORIZONTAL CENTRING ADJUSTMENT
1. Set wide screen mode to "FULL".
2. Preferably receive a circular pattern
3. Enter service menu "LCD Parameters"
4. Use the P or P buttons to highlight "H Display
start".
5. Press the or
centre.
VERTICAL ADJUSTMENT
VERTICAL CENTRING ADJUSTMENT
1. Set wide screen mode to "FULL".
2. Preferably receive a circular pattern
3. Enter service menu "LCD Parameters"
4. Use the P or P buttons to highlight "V Display start"
5. Press the or
vertical centre.
N2DL/N2DW
or buttons until the read-
buttons adjust to make the
buttons to adjust horizontal
buttons to adjust the
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