Adjustment; Adjustment Tools And Conditions - Toshiba 15VL56B Service Manual

2. Adjustment

Note: In this "Adjustment" section, [ ] shows a button.

2-1.Adjustment Tools and Conditions

Tools:
Conditions: Heat Run 30 minutes or more
2-2. Auto Gain/Offset Adjustment
2-2-1. RF Mode Adjustment (normal TV receive mode)
No reguired
2-2-2. Component Mode Adjustment
Preparation
Carry out Heat Run for 30 minutes or more before
adjustment (with no RF signal).
1) Connect Y, Pb, and Pr output signals of Pattern Generator
to the component jack (Y, Pb, Pr) of LCD TV.
2) Connect Y, Pb, and Pr output signals of Pattern
Generator to the component jack (D Jack) of LCD TV.
3) Change the TV input mode to component mode.
4) Select 480p Mode (Y:100% Pb/Pr:75%) in Pattern Generator. Select Pattern 33 (Color Bar
Pattern signal) in Pattern Generator (MSPG925F).
5) Go into service mode, and Auto Gain menu appears, and then press VOL [+].
6) Press [OK] to store the adjustment data.
2-2-3. PC Mode Adjustment
Preparation
Carry out Heat Run for 30 minutes or more before adjustment (with no RF signal).
Connect Pattern Generator to the 15-pin D-Sub Jack of LCD TV.
1) Change the TV input mode to PC mode.
2) Set Pattern Generator to the following:
15VL56B
20VL56B,20VL56G : VGA (640x480) 16-step grayscale
3) Go into service mode, and Auto Gain menu appears, and then press VOL [+].
4) Press [OK] to store the adjustment data.
Pattern Generator (801GF, MSPG925F)
DDC Adjustment Tool
PC
Remote Control
: XGA (1024x768) 16-step or 11-step grayscale
(Adjustment in component mode or PC mode)
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