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TP50 (CRT C.B.A.)
Adjustment:
FOCUS CONTROL (Flyback Transformer),
SCREEN CONTROL (Flyback Transformer),
SUB BRIGHT (EVR),
B DRIVE (EVR),
R DRIVE (EVR),
B CUT -OFF (EVR),
G CUT -OFF (EVR),
R CUT -OFF (EVR)
Specification:
Refer to descriptions below.
Input:
Video Input Jack
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
toHOW TO ENTER SERVICE
7. Adjust SUB BRIGHT in EVR adjustment mode so that the level A is 140 VDC±5 VDC.
MODE.)
Fig. E5
102
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