Sub-Contrast Adjustment; Adjustment Of Tv (Rf System) - Panasonic TH-P50V20A Service Manual

9.1.2.

Sub-Contrast adjustment

Name of measuring instrument
RF generator
Base Band signal generator
HD signal generator

Adjustment of TV (RF system)

1. Receive a RF PAL 100% Full White or Split Colour bar shown as below.
2. Goes into service mode.
3. Push a [ 1 ] or [ 2 ] key, and goes into adjustment mode for [ CONTRAST ].
Adjustment
1. The colour key yellow button of remote control is pushed.
2. The OSD character of sub-contrast becomes red.
(Inside under automatic adjustment)
3. The OSD character of sub-contrast returns to black.
4. End.
Connection
Steps
28
Remarks
Remarks
Note:
Sub-contrast adjustment is unadjusted
for AV/ HD input.
But, when needing the adjustment cho-
sen manually, please refer to [ alterna-
tive method ].