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LCD TV Service Manual
Hisense Confidential
7.3 TV won’t Power On
Make Sure Power
source is live
Replace
Power Cord
Check/replace IR
BD or Keypad
PCA
TV won’t power on
Is LED
light?
NO
YES
Check Power
Inlet
YES
NO
Check Power
Cord
Only
one works
Replace Main
BD
Try Power on by
RC and Button
Neither
works Both
Work
Power on OK
YES
NO
Replace Power BD
YES
NO
RED
BLUE
OSD?
NO
Replace Main BD
NO
YES Check signal
Source
YES
NO
YES
Replace Panel
OK