AOC L42W665 - Betriebsanleitung PDF herunterladen (Seite 24)

42″ LCD TV AOC L42W665

24

2. Can not start (LED indicator yellow)

NG

Re

p

air the ke

y

board

OK

Check the standb

y

volta

g

e of main board

NG

R

ep

l

ace

U

903

，

U

906

，

U

90

7

，

U

908

，

U

909

，

U

9

11

OK

Check U401

NG

Re

p

lace U401

OK

Check U404

NG

Re

p

lace U404

NG

Replace Q906，Q907，Q913

OK

Check I

2

C communication

Check ke

y

board

OK

Check the POWER_ON SIGNAL

Check the com

p

onents of I

2

C communication

NG

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