Adjustment Procedure - Toshiba 2857DD Service Manual

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ADJUSTMENT PROCEDURE
Model name: C5SS (2857DD)
Adjustment parts or
Input point/
Output point
Adjustment signal
Adjustment conditions and procedures
: Horizontal amplitude
Visual check of picture
|WG Philips pattern
1. Conditions:
After V. HEIGHT,
VERT
POSITION
adjustment (WID)
(Bus control)
and H. CENT have been adjusted, set
: Pin distortion
Do not use the Philips
the controllers as follows:
compensation
amount
pattern of
Contrast: MAX
adjustment (PARA)
FRANCESECAM.
Brightness: Center
Color: Center
2. Adjustment procedure
a. Adjust the horizontal
amplitude
by the sub
address WID.
Adjust so that the left and right white flags of
Philips pattern disappear at the very limits.
b. Make the left and right vertical bars straight by
the sub address PARA.
c. Compensate
the key distortion
by the sub
address HCP.
d. Again, adjust the sub address WID.
: Keystone distortion
compensation amount
adjustment (HCP)
43

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