Troubleshooting
Samsung Electronics
6-11
6-15 Vertical Sync Bars Appear on Screen
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Check M-Y-O, S-Y-O
signal output from the AV
S/W Board
Check the AV Switch
Board and comb filter
Check V-SYNC,HV-BLK
output from the Proscan
Board
Check the
Proscan Board
Check V-SYNC
supply to LCD Control Board
Check ASS Y
AC1 (connector)
Check V-SYNC input to
ICL301 pin14 on LCD
Contrrol
Check ICL104
and FL302
Check the terminal
(connected to LCD panel)
Summary of Contents for PLK405WX/XAC
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd SEP 2000 Printed in Korea 3L56A 4020 ...
Page 12: ...3 2 Samsung Electronics MEMO ...
Page 35: ...Alignment and Adjustments Samsung Electronics 5 15 ...
Page 49: ...MEMO Samsung Electronics 6 14 ...
Page 81: ...MEMO 8 30 Samsung Electronics ...
Page 89: ...Schematic Diagrams 11 6 Samsung Electronics 11 5 PROSCAN 1 3 ...
Page 90: ...Schematic Diagrams Samsung Electronics 11 7 11 6 PROSCAN 2 3 ...
Page 91: ...Schematic Diagrams 11 8 Samsung Electronics 11 7 PROSCAN 3 3 ...
Page 97: ...Schematic Diagrams 11 14 Samsung Electronics 11 12 A V SWITCHING Power Line ...
Page 98: ...Schematic Diagrams Samsung Electronics 11 15 11 13 3D COMB Power Line Signal Line ...
Page 99: ...Schematic Diagrams 11 16 Samsung Electronics 11 14 PIP CAPTION ...
Page 100: ...Schematic Diagrams Samsung Electronics 11 17 11 15 POWER Power Line ...