Samsung VPL500 Service Manual page 49

Alignment and Adjustment
4-2-3 (b) ADJUSTMENT
1. PLL (ADDRESS : 8.PLL)
1) Connect an multimeter probe to TP-P
2) Adjust the EVR so that DC voltage is
DC1.8±0.05Vp-p.
2. Brightness (ADDRESS : 2.BRIGHT)
1) Connect an oscilloscope probe to TP-G.
2) Adjust EVR so that bright(Green) level is
8.0V±0.1Vp-p (pedestal to pedestal).
3. R-Sub Brightness (ADDRESS : 4.R-SUB)
1) Connect an oscilloscope probe to TP-R
2) Adjust the EVR so that R-OUT(Red) level is
8.0Vp-p (pedestal to pedestal).
4-30
4. B-Sub Brightness (ADDRESS : 5.B-SUB)
1) Connect an oscilloscope probe to TP-B.
2) Adjust the EVR so that B OUT(Blue) level is
8.0Vp-p (pedestal to pedestal).
1.8V
5. Color(ADDRESS : 1.COLOR)
1) Connect an oscilloscope probe to TP-B.
2) Adjust the EVR so that the Yellow level is equal
to the pedestal line.
8.0V
(PEDESTAL TO
PEDESTAL)
8.0V
(PEDESTAL TO
PEDESTAL)
RED LEVEL
GREEN LEVEL
YELLOW LEVEL
Samsung Electronics
8.0V
(PEDESTAL TO
PEDESTAL)
PEDESTAL
LINE