Tuesday, January 08, 2013

FERGUSON - FL23WX1 _ TROUBLESHOOTING




  • NO POWER





NO POWER









Check CON3
pin5 5V
correct?

No
Change
Power Module


Yes


Change
U3 or U5
No
Check CON3 pin10 5V correct ?





Yes




Check U3 pin15
0V correct ?

No
Change
U34


Yes




Check Xtal Y1









  • NO IMAGE - DARK SCREEN





No Image
Dark  screen







Check AV cable
No
Check AV and
VGA cable?





Yes




Check AV3
Input?

No
Change I/O
Module


Yes


Change U43
No
Check CON16
LCD connectors?





Yes




Check LVDS
CABLE









  • ALWAYS SHOW "NO SIGNAL"





Show
NO SIGNAL



Check AV cable
No
Check AV
cable?





Yes




Check AV3
Input?

No
Change I/O
Module


Yes




Check VGA
INPUT









  • NO Y/Cb/Cr IMAGE





No Y/Cb/Cr
Video Image







Connect Yr/Cb/Cr
cable
No
Check Y/Cb/Cr
cable




Yes




Check CON 4
PIN 3,4,16

No
Change CON 4


Yes




IO/B OK




  • NO AV2 / CVBS IMAGE





No CVBS Video
Image ( AV 2 )







Connect RCA cable
No
Che ck RCA  Cable





Yes




Check U5
PIN 7

No
Change CON 1


Yes


Change U5
No
Check U5 PIN 31





Yes




IO/B OK




  • NO AV-1 / S-VIDEO IMAGE





NO S-Video Image
( AV 1 )







Connect S-Video
cable
No
Check S-Video
cable





Yes




Check U5
PIN 6 & 4

No
Change CON3


Yes


Change U5
No
Check U5
PIN 27 & 29





Yes




IO/B OK