Sanyo CP28WF2, Service Manual

Page: 9 / 34

Service Adjustments
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After replacing the Memory IC (IC803)
The memory IC (IC803), stores the service adjustment data for each circuit, therefore, when the memory IC is
replaced, it should be programmed by using “OPTION SETTING” on previous page and the following adjustment.
Adjustable Service Adjustment
Regular
Item No. OSD Description
01 AGC AGC Adjustment
02 -- Cut-Off Drive Adjustment
03 GRY G-Drive Adjustment (White Balance)
04 GRY B-Drive Adjustment (White Balance)
05 CTR Contrast Adjustment (use factory setting) (for factory use)
06 -- Screen Adjustment mode
08 OSD OSD Positioning Adjustment
Note: Some items of the service adjustments for this chassis are controlled by the CPU (IC801), and the
adjustments are carried out by using the RC handset.
Image
Item No. OSD Description
01 P V-C P Vertical Position Adjustment
02 P H-P P Horizontal Position Adjustment
03 P V-L P Vertical Linearity Adjustment
04 P VSC P Vertical S-Correction Adjustment
05 P V-A P Vertical Size Adjustment
06 P H-S P Horizontal Size Adjustment
07 P E-P P Pin Cushion Adjustment
08 P E-T P Trapezoid Distortion Adjustment
11 P ECT P Top Corner Correction Adjustment
12 P ECB P Bottom Corner Correction Adjustment
13 P HPA P Parallelogram Distortion Adjustment
Important Notice:
Do not attempt to adjust service adjustments not listed on above otherwise it may cause loss of performance and
product safety.