Kogan LET40T3 - Panel Failure; Panel Failure Modes; TCP Failures

9-3. Mainboard Failure Check
Symptom: No Sound
No Sound
(All Mode)
Check the input
Source
Change Source input
Check the
input/output
Of IC U13 of Main
B/D
Source
Re-soldering or change
IC U13
Check the
input/output
Of IC U55 of Main
B/D
Source
Re-soldering or change
IC U55
Check the
input/output
Of IC U2 of Main B/D
Source
Re-soldering or change
IC U2
Check the
Speaker
Change the Speaker
Check the
Sperker wire
Fail
Pass
Fail
Fail
Fail
Fail
Pass
Pass
Pass
Pass
Service Manual
Model No.: LET40T3
51