Table of Contents
Advertisement
Mode :
STOP
Equipment :
Oscilloscope,
NTSC Video Pattern Generator
1. Supply a Crosshatch Pattern Signal to the Video Input Jack.
2. Connect the Oscilloscope to Pin 5 of P6001 on the TV/VCR Main
C.B.A. or TP49 on the CRT C.B.A.
3. Select SUB BRIGHT in EVR adjustment mode. Then, after making
a note of the original value, adjust to the (C0).
4. Select SUB CONTRAST in EVR adjustment mode and adjust so
that the level A is 3.0 V[p-p]±0.1 V[p-p].
5. Select SUB BRIGHT in EVR adjustment mode and reset to the
original value.
7.3.7. 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),
Fig. E6
60
Advertisement
Table of Contents
