Component 33K Signal Adjustment; Analog Rgb Signal Adjustment; Tuner/V-Chip Test - Sharp LC-37D44U Service Manual

8.5. Component 33K signal adjustment

Adjustment item Adjustment conditions
1 Setting 1080i signal
2 Automatic adjust-
ment execution

8.6. Analog RGB signal adjustment

Adjustment item Adjustment conditions
1 Setting Analog RGB signal: XGA
(1024x768) 60Hz
SYNC: HV separate
2 Automatic adjust-
ment execution

8.7. Tuner/V-Chip test

Adjustment item Adjustment conditions
1 Setting NTSC RF signal
US-7(AIR)ch
2 Automatic adjust-
ment execution
Feed the 100% color bar signal to VIDEO 1 COMPONENT input.
100% Color saturation
100% white
Move the cursor to [ COMP 33K ADJ] and press the [ENTER] key.
When [ COMP 33K ADJ OK] appears, the adjustment is complete.
Feed the XGA 100% color bar signal to ANALOG RGB input.
100% Color saturation
100% white
Move the cursor to [ ANALOG RGB ADJ] and press the [ENTER] key.
When [ ANALOG RGB ADJ OK] appears, the adjustment is complete.
Feed the NTSC signal to RF ANTENNA input.
Move the cursor to [ TUNER VCHIP TEST (*07ch)] and press the [ENTER] key. (*
Select the channel according to the RF signal.)
When [ A-OK(***.**)/VM-OK] appears in blue, the test is complete. (If [A-NG/VM-NG]
appears in yellow or red, the test is incomplete.)
Make sure a displacement of ± 0.0625 MHz from the center frequency is acceptable.
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Adjustment procedure
1080i
100% color bar
0% black
Adjustment procedure
XGA
100% color bar
0% black
Adjustment procedure
LC-37D44U