Sony Trinitron KV-27TS35, Service Manual

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K V - 2 7 T S 3 5
(3) Screen-corner Convergence
3-3. FOCUS ADJUSTMENT
Adjust FOCUS control on the transformer
for a best focus.
a
corresponding to the
misconverged areas.
assembly (Part No. X-4306-312-0).
TRANSFORMER (T 503)
WHITE
[ Screen G 2 setting
1. Input the dot signal from the pattern generator.
2. Set the picture brightness control to its lowest
level.
3 . Apply 180 V DC to the R, G, and B cathodes with
an external power supply.
4 .
While watching the picture, adjust G 2 control RV
708 (Screen) to the point just before the return
disappear.
[White balance adjustment
1. Input an all-white signal from the pattern
generator.
2. Set the picture brightness and color controls to
their normal levels.
3 . Use the RV 703 (B Drive) and RV 705 (G Drive)
to adjust white balance.
In the adjustments below, have the picture color and
brightness settings at their normal levels unless there is
a specific instruction to the contrary.