Panasonic PV-DF204 Service Manual page 45

(Flyback Transformer),
SCREEN CONTROL (Flyback Transformer),
SUB BRIGHT (EVR),
G DRIVE (EVR),
B DRIVE (EVR),
R CUT-OFF (EVR),
G CUT-OFF (EVR),
B CUT-OFF (EVR)
Specification :
Refer to descriptions below.
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 "a" and "b" are the sharpest.
Fig. E7-1
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