Samsung SCA30 - Page 45

Samsung Electronics 5-27
Alignment and Adjustment
3. R-Sub Brightness
1) Color bar
2) R-OUT
3) Connect an oscilloscope probe to R-OUT.
4) Press the “DATE/TIME(MODE UP)/TITLE
(MODE DOWN)” button so that the OSD state
is “4 R SUB EPR:XX EVR:XX”
5) Adjust the “C/RESET(DATA UP)/Z/RTN
(DATA DOWN)” button so that R-OUT(Red)
level is 8.0Vp-p (pedestal to pedestal).
6) Be sure to press the “MENU/ENTER(CON-
FIRM)” button to memorize setting.
7) The OSD shows “O.K”
8.0V
(PEDESTAL TO
PEDESTAL)
5-2-4 (b) ADJUSTMENT
1. PLL
1) Color bar
2) Connect an oscilloscope probe to PLL
3) Press the “DATE/TIME(MODE UP)/TITLE
(MODE DOWN)” button so that the OSD state
is “8 PLL EPR:XX EVR:XX”
4) Adjust the “C/RESET(DATA UP)/Z/RTN
(DATA DOWN)” button so that RPD level is
DC1.8+-0.1Vp-p.
5) Be sure to press the “MENU/ENTER(CON-
FIRM)” button to memorize setting.
6) The OSD shows “OK”
2. Brightness
1) Color bar.
2) G-OUT.
3) Connect an oscilloscope probe to G-OUT.
4) Press the “DATE/TIME(MODE UP)/TITLE
(MODE DOWN)” button so that the OSD state
is “2 BRIGHT EPR:XX EVR:XX”
5) Adjust the “C/RESET(DATA UP)/Z/RTN
(DATA DOWN)” button so that bright(Green)
level is 8.0Vp-p (pedestal to pedestal).
6) Be sure to press the “MENU/ENTER(CON-
FIRM)” button to memorize setting.
7) The OSD shows “O.K”
Test point
Step Adjustment Item
1. Mode and input signal
2. Test point
3. Result and Remarks
ADJ. point
1.8V
8.0V
(PEDESTAL TO
PEDESTAL)
Note :
1. From this point forward, the structure of every adjustment is as follows.
2. See page 5-26 for the location of test points and adjustments.