3-6
Part 3: Adjustment
2.4 Contrast Adjustment
Measuring equipment ............Oscilloscope
Input signal ...........................16-step gray scale
Enter the service mode.
Adjust part A of the signal waveform at each test point to the minimum with the
/- button.
1. Enter computer input mode and input a 16-step gray scale signal.
Item No.
Test point
Adjustment
7
TP-R1
Computer red contrast
8
TP-G1
Computer green contrast
9
TP-B1
Computer blue contrast
2 Enter AV input mode and input a 16-step gray scale signal.
Item No.
Test point
Adjustment
7
TP-R1
AV red contrast
8
TP-G1
AV green contrast
9
TP-B1
AV blue contrast
3. Enter component input mode and input a 16-step gray scale signal (480i signal).
Item No.
Test point
Adjustment
7
TP-R1
Component red contrast
8
TP-G1
Component green contrast
9
TP-B1
Component blue contrast
Fig. 3-3
A
Summary of Contents for LV-S1U
Page 8: ...Part 1 General Information ...
Page 25: ...Part 2 Repair Information ...
Page 37: ......
Page 38: ...Part 3 Adjustment ...
Page 49: ...Part 4 Parts Catalog ...
Page 50: ......
Page 61: ......
Page 62: ...Part 5 Electrical Diagrams ...