Panasonic PVQ-1312W Service Manual page 60

7.3.8. FOCUS, SCREEN, CUT OFF, DRIVE ADJUSTMENT
Purpose:
To set the optimum Focus and Screen.
Symptom of Misadjustment:
The picture is out of Focus and there will be an improper screen
color mix.
Test Point :
TP50 (CRT C.B.A.)
Adjustment :
FOCUS CONTROL (Flyback Transformer),
SCREEN CONTROL (Flyback Transformer),
SUB BRIGHT (EVR),
B DRIVE (EVR),
G 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
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