(Model: H, I, J, K, L)
1. Supply a Monoscope Pattern Signal to the Video Input
Jack.
2. Select H CENTER in EVR adjustment mode and adjust so
that A is approximately equal to width B.
3. Select V SIZE in EVR adjustment mode and adjust so that
the top 4th line is just in view.
4. Confirm that the bottom 3rd line is in view and that the
bottom 4th line is out of view.
Fig. E12-2
7.3.16. WHITE BALANCE ADJUSTMENT
Purpose:
To set the standard white level for each
color temperature.
Symptom of
Misadjustment :
White becomes bluish or reddish.
Test Point:
TP50 (CRT C.B.A)
Adjustment:
FOCUS CONTROL (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 center of picture is the sharpest.
5. Press DISPLAY key (Service Switch) on the remote control
for collapse scan. (Refer to How to Enter Service Mode.)
6. Turn the SCREEN CONTROL on Flyback Transformer fully
counterclockwise.
7. Adjust SUB BRIGHT in EVR adjustment mode so that the
level A is (140 VDC±5 VDC: Model: A, B, C, D, E, F, G) or
(170 VDC±5 VDC Model: H, I, J, K, L).
Fig. E13
56
PVQ-1310 / PV-C1320 / PV-C1330W / VV-1300 / VV-1310W / PV-C1340 / PV-C1350W / PV-C2010 / PV-C2020 / PV-C2030W / VV-2000 / PV-C2060
