HT-CT290/CT291
22
6. No display/LED indicators after turning the power on.
Note:
*Please make sure it is not under Power is not turned ON issue before troubleshooting.
*Please make sure LED indicators are not turn off.
No display/LED indicators after turning
the power on.
Yes
Check Display Chukei PWB CN5001
pin 11 is 5.1V.
Yes
Replace Display Assy board.
Yes
Check WIRE (FLAT TYPE) (16 CORE)
connection is OK.
Replace WIRE (FLAT TYPE) (16 CORE).
Yes
Check IC2003 pin 98 is 3.3V.
Check MAIN board CN2006 pin 6
is 5.1V.
No
No
No
No
Check CN2006 pin 9 is 3.3V
(change the INPUT to TV).
Replace FB2005 on MAIN board.
No
Replace complete MAIN Board.
Yes
Check MAIN board FB2005 both terminals
is 5V.
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