Alignment and Adjustments
Samsung Electronics
4-15
4-4 Other Adjustments
4-4-1 Screen Adjustment
1. Warm up the TV for at least 30 minutes.
2. Select
the
“DYNAMIC” Video mode.
3. Trun 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
“DYNAMIC” video mode.
2. Input 100% white pattern.
3. In the stand-by mode, press the remote-control
keys in the following sequence:
Displsy
→
Menu
→
Mute
→
Power ON
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 /- 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 /- 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.
4-6-3 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 :
Displsy
→
Menu
→
Mute
→
Power ON
3. Select Sub-Bright by pressing the /-
keys.
4. Adjust so that the 63 step on the right side of
the screen is not seen (Use the /-
keys).
5. Press the Menu key to exit.
4-4-4 High Voltage (30KV) Check
PRECAUTION
1. Input a lion head pattern.
2. Select
“DYNAMIC” video mode.
3. Warm up the TV for at least 10 minutes.
4. Use a digital multimeter.
ADJUSTMENT
1. Connect the (+) terminal of the digital
multimeter to Q471 and the (-) terminal to
Q401 (located on the deflection board).
2. Adjust RR471S (located on the sub board) so
that the digital meter indicates
DC290V
±
0.1V.
4-4-5 F.S. (Fail Safe) Circuit Check
(GT430,GT431)
Note : The F.S. Circuit check must be performed
after servicing.
1. Turn on the TV.
2. Select
the
“DYNAMIC” video mode.
3. Short F/S Test point (located on the SUB PCB).
Then, both sound and picture disappear.
(Note: Even if the shorted terminals are
removed, both sound and
picture do not appear. This proves the F.S.
circuit is working. )
4. To restore both sound and picture, turn off the
TV and reset it after about 30 seconds.
Summary of Contents for SP42W4HPX/XEF
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd Dec 2002 Printed in Korea AA82 00243A ...
Page 11: ...Reference Information Samsung Electronics 2 5 2 3 MICOM IIC BUS LINE UP MSP3452G Option ...
Page 12: ...2 6 Samsung Electronics MENO ...
Page 41: ...Alignment and Adjustments Samsung Electronics 4 27 Mute Menu Menu TV TV P Size or or ...
Page 42: ...Alignment and Adjustments 4 28 Samsung Electronics LINE Adjust VOL P Menu S Mode ...
Page 43: ...Alignment and Adjustments Samsung Electronics 4 29 TV 12 13 14 15 S Mode ...
Page 54: ...MEMO 5 4 Samsung Electronics ...
Page 79: ...Schematic Diagrams 10 2 Samsung Electronics TP04 TP03 TP05 10 2 MAIN 2 TP03 TP04 TP05 ...
Page 80: ...Samsung Electronics Schematic Diagrams 10 3 10 3 MAIN 3 TP06 TP07 TP06 TP07 ...
Page 82: ...Samsung Electronics Schematic Diagrams 10 5 10 5 MICOM ...
Page 83: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 CRT ...
Page 84: ...Samsung Electronics Schematic Diagrams 10 7 10 7 SUB 1 TP21 TP21 ...
Page 85: ...Schematic Diagrams 10 8 Samsung Electronics 10 8 SUB 2 TP22 TP23 TP22 TP23 ...
Page 86: ...Samsung Electronics Schematic Diagrams 10 9 10 9 SUB 3 ...
Page 87: ...Schematic Diagrams 10 10 Samsung Electronics 10 10 CONVERGENCE SDC12 1 ...
Page 88: ...Samsung Electronics Schematic Diagrams 10 11 10 11 CONVERGENCE SDC12 2 ...
Page 89: ...Schematic Diagrams 10 12 Samsung Electronics 10 12 PRO SCAN 1 ...
Page 90: ...Samsung Electronics Schematic Diagrams 10 13 10 13 PRO SCAN 2 ...
Page 91: ...Schematic Diagrams 10 14 Samsung Electronics 10 14 AV FRONT ...
Page 92: ...Samsung Electronics Schematic Diagrams 10 15 10 15 VM ...
Page 93: ...Schematic Diagrams 10 16 Samsung Electronics 10 16 CONTROL ...
Page 94: ...Samsung Electronics Schematic Diagrams 10 17 10 17 DY JACK SENSOR DY JACK SENSOR ...