Sharp LC-40LE820UN Service Manual page 55

8.2.6 Analog RGB signal adjustment
Adjustment point
1 Setting
2 Automatic adjustment exe-
cution
8.2.7 Tuner/V-CHIP adjustment
Adjustment point
1 Setting
2 Automatic adjustment exe-
cution
Adjustment conditions
•Send the 100% color bar signal to the Video 4 analog RGB input.
Signal: XGA
(1024x768) 60Hz
SYNC: HV separate
Point the cursor to [ ANALOG RGB ADJ] and press the [Enter] key.
The adjustment is complete when [ ANALOG RGB ADJ OK] is displayed.
Adjustment conditions
•Send the NTSC signal to the RF antenna input.
NTSC RF signal
US-7(AIR)ch
Point the cursor to [ TUNER VCHIP TEST(*07ch)] and press the [Enter] key. (*
Adjust the selected channel to the in-house signal.)
The adjustment is OK when [ A-OK(***.**)/VM-OK] is displayed in green.
(NG when A-NG/VM-NG is displayed in red.)
It is OK when the deviation from the center frequency is ±0.0625MHz or less.
Adjustment procedure
100% white
Adjustment procedure
6 – 11
LC-40/46/52/60LE820UN
XGA (1024x768)
100% color bar
0% black