Alignment and Adjustments
4-2-11 White Balance Adjustment4-2-13 Vertical Size Adjustment
1. Input a lion head pattern.
4-2-11 (A) LOW-LIGHT ADJUSTMENTS
2. After the vertical center adjustment, enter into
1. Input either a lion head or Opure white� colorthe service mode.
pattern.
3. Adjust VA so that the each top and bottom of
2. Operate the receiver for 30 minutes.the screen is 4.0. If the top and bottom values
are different, adjust VA so that the sum of the
3. Check the data in the service mode:two values is 8.0.
RC, GC, BC are 0 and SB is 16;
Steps BG are 90 and GG are 140.
4-2-14 Horizontal Size Adjustment
4. Enter the horizontal line mode by pressing
the MUTE key.1. Receive a lion head pattern.
5. Adjust the screen VR on the FBT until a dim2. Enter into the service mode.
colored line (red,green or blue) appears on the
screen.3. Adjust HS to symmetrized right and left.
6. After pressing the MUTE key, go to RC,BC or
t
GC with channel , keys. tAfter putting a
4-2-15 When CRT Is Replaced
dim colored line (red, green or blue) in the
horizontal line with MUTE key, adjust color
tDo the following adjustments after the basic
with volume , keys.t
purity and convergence adjustments.
7. Exit the horizontal line via the MUTE key.
1. White Balance
2. Sub-brightness
4-2-11 (B) HIGH-LIGHT ADJUSTMENTS
3. Vertical Size
1. Input a high-light pattern
4. Horizontal Size
2. Adjust GG,BG in the Service Mode.
5. Fail safe (should be the final step).
3. Recheck in low light.
4-2-12 Sub-Brightness Adjustment
1. Input a Toshiba pattern.
2. Warm up the receiver for 10 minutes.
3. Enter the Service Mode and set SB to the point
where the 5th point is brighter in the gray
scale.
W
54321
Samsung Electronics4-5 |
ACEC
SAMSUNG
