Sub Contrast Adjustment - Panasonic PV-DF204 Service Manual

1. Set the unit to TV Mode.
2. Enter EVR adjustment mode.
3. Press DISPLAY key on the remote control for collapse scan.
Note:
Before pressing DISPLAY key on the remote control for collapse
scan, select the desired control function and move the shaded area
to the value for adjustments you will proceed.
7.3.6.1. How to release from Service Mode:
Press DISPLAY key again on the remote control.

7.3.7. SUB CONTRAST ADJUSTMENT

Purpose:
To set the optimum sub contrast level.
Symptom of Misadjustment:
The picture is too dark or too light.
Test Point :
TP49 (CRT C.B.A.)
Adjustment :
SUB CONTRAST (EVR),
Specification :
Refer to descriptions below.
Input :
Video Input Jack,
Crosshatch Pattern Signal 1 V[p-p] (75
Mode :
STOP
Equipment :
Oscilloscope,
NTSC Video Pattern Generator
1. Supply a Crosshatch Pattern Signal to the Video Input Jack.
Fig. E2-6
terminated)
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