Panasonic OmniVision PV-Q1311, Руководство по обслуживанию

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Monoscope Pattern Signal
Mode :
STOP
Equipment :
Oscilloscope,
NTSC Video Pattern Generator
1. Supply a Monoscope Pattern Signal to the Video Input Jack.
2. Connect the Oscilloscope to TP50 on the CRT C.B.A.
(Use TP47 for GND.)
3. Select SUB BRIGHT and move the shaded area to the value in EVR
adjustment mode.
4. Adjust the FOCUS CONTROL on the Flyback Transformer so that
the center of picture is the sharpest.
5. Turn the SCREEN CONTROL on the Flyback Transformer fully
counterclockwise.
6. Press DISPLAY key (Service Switch) on the remote control for
collapse scan. (Refer to HOW TO ENTER SERVICE MODE .)
7. Adjust SUB BRIGHT in EVR adjustment mode so that the level A is
(140 VDC±5 VDC: For model with 13 inch CRT) or (170 VDC±5 VDC:
For model with 20 inch CRT).
Fig.E8
8. Turn the SCREEN CONTROL on the Flyback Transformer
clockwise carefully and stop at the point where any color is first
observed.
9. In EVR adjustment mode, select the two colors not observed in
step 8 from the following control functions (B CUT -OFF, G CUT -
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