Panasonic Omnivision VHS PV-C2780, Service Manual

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To set the standard color phase.
Symptom of Misadjustment :
Color phase will be shifted.
Test Point:
Pin 5 of P8001 (TV PROCESS C.B.A.)
or TP49 (CRT C.B.A.)
Adjustment:
SUB COLOR (EVR),
SUB TINT (EVR),
R-SUB COLOR (EVR),
R-SUB TINT (EVR)
Specification:
C= 1.50 V[p-p]±0.15 V[p-p]
Input:
Antenna Input Terminal,
Rainbow Color Bar
Mode:
STOP
Equipment:
Oscilloscope,
NTSC Video Pattern Generator
1. Set to PINP mode, and then set PARENT PICTURE to UHF/VHF
TUNER/TV DEMODULATOR 2 UNIT input.
2. Supply the Rainbow Color Bar signal to Antenna Input Terminal.
3. Select SUB BRIGHT in EVR adjustment mode. Then, after making
a note of the original value, adjust to the minimum (C0).
4. Connect the Oscilloscope to Pin 5 of P8001 on the TV PROCESS
C.B.A. or TP49 on the CRT C.B.A.
5. Select SUB TINT in EVR adjustment mode and adjust so that level
A and B should be equal in amplitude.
Fig. E9-1
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