Sharp LC-26D43U Service Manual page 20

LC-26D43U
(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
(7 ) Tuner/V-Chip test
Adjustment conditions
Adjustment item
1 Setting NTSC RF signal
US-4(AIR)ch
2 Automatic adjust-
ment execution
Adjustment procedure
Feed the XGA100% 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.
Adjustment procedure
Feed the NTSC signal to RF ANTENNA.
Move the cursor to[ TUNER VCH IIP TEST(*04ch)] and press the [ENTER] key.
(* Select the channel according to 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 ± 0.0625MHZ from the center frequency is acceptable.
20
XGA
100% color bar
0% black