Sharp LC-C4655U Service Manual - Page 32
Component 33K signal adjustment, 6. Analog RGB signal adjustment, 7. Tuner/V-Chip test
UPC - 074000371569
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LC-C4655U 7.5. Component 33K signal adjustment Adjustment item 1 Adjustment Adjustment conditions Adjustment procedure 1080i signal Feed the 100% color bar signal to INPUT 1 component input. 2 Auto adjustment performance Page 6/38 7.6. Analog RGB signal adjustment 100% white Bring the cursor on [•COMP 33K ADJ (INPUT1)] and press [ENTER]. [•COMP 33K ADJ (INPUT1) OK] appears when finished. Adjustment item 1 Adjustment Adjustment conditions Analog RGB signal: XGA (1024 x 768) 60Hz SYNC: HV separate Adjustment procedure Feed the XGA 100% color bar signal to ANALOG RGB input. 100% Color saturation XGA 100% color bar 2 Auto adjustment performance 7.7. Tuner/V-Chip test Adjustment item 1 Adjustment 2 Auto adjustment performance 100% white 0% black Bring the cursor on [•ANALOG RGB ADJ] and press [ENTER]. [•ANALOG RGB ADJ OK] appears when finished. Adjustment conditions NTSC RF signal US-7 (AIR) ch Adjustment procedure Feed the NTSC signal to RF ANTENNA input. Bring the cursor on [•TUNER VCHIP TEST (*07ch)] and press [ENTER]. (*Select the channel according to the RF signal.) [•A-OK (***.**)/VM-OK] appears in blue when finished. (If [A-NG/VMNG] appears in yellow or red, the test is incomplete.) Make sure a displacement of ±0.0625 MHz from the center frequency is acceptable. 5 - 13