![background image](http://html.mh-extra.com/html/haier/hl15white/hl15white_service-manual_136717035.webp)
2.2 White
White Screen
Check signal output of U5/
NT68565FG
Check voltage between
U
6
/
NT68F631ALG
7
th
Q24
or
check U
6 i/o
Check voltage of Q24
Turn to power suppy
trouble shorting
Check LCD or
Panel Connector
Check U5
1,Power supply
2,Time circuit
Check Q24 0~3.3V
(
5V or 12V
),
according to the volitage
)
N
Y
Check power supply (for panel)
Check voltage of Q24
Check Q24
(
be care
for the shorting
)
Check circuit between
CN8 and CN9
N
N
N
N
Y
Y
Y
Y
Summary of Contents for HL15WHITE
Page 1: ...HL15WHITE ...
Page 7: ...Images of Module and Circuit Boards 1 images of Main Board 2 images of Power Supply ...
Page 43: ......
Page 44: ...Sincere forever ...