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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 (D0).
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:
Fig. E4
101
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