Alignment and Adjustments
4-12
Samsung Electronics
4-4 Other Adjustments
4-4-1 Screen Adjustment
1. Warm up the TV for at least 30 minutes.
2. Select the “ STANDARD” Video mode.
3. Turn to the Video Mode (No Signal) using a
remote-control.
4. Connect an oscilloscope to RK,GK,BK.
5. Adjust the VR (VR501, VR531, VR561) screen
so that RK, GK, BK pulse is 20Vp-p each.
(Turn the R,G,B VR screen fully
counterclockwise in the area of each flyback
line.)
4-4-2 White Balance Adjustment
1. Select the “STANDARD” video mode.
2. Input 100% white pattern.
3. In the stand-by mode, press the remote-control
keys in the following sequence:
4. Warm up the TV for at least 30 minutes.
5. Input a 10-step signal.
6. R-cut off, B-cut off, and G-cut off by pressing
the Volume keys.
7. Adjust the low light with viewing the dark
side of the screen.
8. Select R-drive, G-drive, and B-drive by
pressing the Volume keys.
9. Adjust the high light with viewing the light
side of the screen.
10. If necessary, redo adjustments 6~9.
11. Press the Menu key to exit.
4-4-3 Sub-Brightness Adjustment
1. Input a sub-brightness adjustment signal.
(TOSHIBA PATTERN)
2. In the stand-by mode, press the remote-control
keys in the following sequence :
3. Select SBT by pressing the Volume keys.
4. Adjust so that the 63 step on the right side of
the screen is not seen (Use the Volume
keys).
5. Press the Menu key to exit.
4-4-4 High Voltage (29KV) Check
PRECAUTION
1. Input a lion head pattern.
2. Select “STANDARD” video mode.
3. Warm up the TV for at least 10 minutes.
4. Use a 1000:1 probe.
ADJUSTMENT
1. Connect the (+) terminal of the 1000:1 probe to
the high voltage distributor and the (-)
terminal to GND (located on the deflection
board).
2. Adjust RR471S (located on the deflection
board) so that the digital meter indicates
DC 29V
±
0.1V.
4-4-5 F.S. (Fail Safe) Adjustment
Note : The finished product has a well-mounted
VR (RR402S).
If necessary, do the F.S. adjustments in the
following sequence.
1. Use a digital multimeter.
2. Connect the digital multimeter to the JIG pin
(DZ482S) terminals
3. Adjust VR (RR402S) so that the voltage
becomes 2.25V.
4. After the adjustments are complete, be sure to
mount VR (RR402S) correctly.
Summary of Contents for ST55W3PCX/XAX
Page 10: ...Reference Information 2 4 Samsung Electronics 2 3 IC Line Up 2 3 1 Progressive ...
Page 11: ...Reference Information Samsung Electronics 2 5 ...
Page 12: ...Reference Information 2 6 Samsung Electronics 2 4 MICOM IIC BUS LINE UP ...
Page 14: ...MEMO 3 2 Samsung Electronics ...
Page 52: ...MEMO 4 38 Samsung Electronics ...
Page 56: ...MEMO 5 4 Samsung Electronics ...
Page 87: ...Schematic Diagrams 10 2 Samsung Electronics TP20 TP03 TP04 10 2 MAIN 2 TP03 TP04 TP20 ...
Page 88: ...Samsung Electronics Schematic Diagrams 10 3 10 3 MAIN 3 TP12 TP13 TP12 TP13 ...
Page 90: ...Samsung Electronics Schematic Diagrams 10 5 10 5 MICOM ...
Page 91: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 CRT ...
Page 92: ...Samsung Electronics Schematic Diagrams 10 7 10 7 SUB 1 TP21 TP21 ...
Page 93: ...Schematic Diagrams 10 8 Samsung Electronics 10 8 SUB 2 TP24 TP23 TP22 TP22 TP23 TP24 ...
Page 94: ...Samsung Electronics Schematic Diagrams 10 9 10 9 CONVERGENCE SDC12 1 ...
Page 95: ...Schematic Diagrams 10 10 Samsung Electronics 10 10 CONVERGENCE SDC12 2 ...
Page 96: ...Samsung Electronics Schematic Diagrams 10 11 10 11 PRO SCAN 1 ...
Page 97: ...Schematic Diagrams 10 12 Samsung Electronics 10 12 PRO SCAN 2 ...
Page 98: ...Samsung Electronics Schematic Diagrams 10 13 10 13 PRO SCAN 3 ...
Page 99: ...Schematic Diagrams 10 14 Samsung Electronics 10 14 PRO SCAN 4 ...
Page 100: ...10 15 CG AMP Samsung Electronics Schematic Diagrams 10 15 ...
Page 101: ...Schematic Diagrams 10 16 Samsung Electronics 10 16 AV FRONT ...
Page 102: ...10 17 CONTROL Samsung Electronics Schematic Diagrams 10 17 ...
Page 103: ...Schematic Diagrams 10 18 Samsung Electronics 10 18 DY JACK SENSOR DY JACK SENSOR ...