Panasonic Viera TX-P42S20E, Service Manual

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10.1.2. Sub-Contrast adjustment
Name o f m easuring instrum ent Connection Remarks
RF generator
Base B and signal generator
H D signal generator
Steps Rem arks
Adjustm ent o f T V (RF system)
Note:
In adjustment, you m ust setting to modulation o f signal at 80%.
1. Receive a RF PAL 100% Full W hite or Split Colour bar shown as below.
100% White
2. G oes into service adjustm ent mode.
3. Push a [ 1 ] or [ 2 ] key, and goes into adjustm ent mode for [ C O N TR AST ].
Adjustm ent
1. The colour key yellow button o f rem ote control is pushed.
2. The OSD character o f sub-contrast becom es red.
(Inside under autom atic adjustment)
3. The OSD character o f sub-contrast returns to black.
4. End.
Ref.:
RF signal modulation spec.
L models: 80%
Other models: 90%
Note:
Sub-contrast adjustment is unadjusted
for AV/ HD input.
But, when needing the adjustment cho­
sen manually, please refer to [ alterna­
tive method ].
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