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INPUT :
Video Input Jack,
Monoscope Pattern Signal,
White Pattern Signal
Mode :
STOP
Equipment :
NTSC Video Pattern Generator,
White Pattern Generator,
Oscilloscope
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 Flyback Transformer fully
counterclockwise.
6. Press DISPLAY key on the remote control for collapse scan.
(Refer to
HOW TO ENTER SERVICE
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).
8. Turn the SCREEN CONTROL on the Flyback Transformer
MODE.)
Fig. E10
67
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