Haier 75UF5550 Service Manual page 43

Service Manual
Model No.: 75UF5550
Model Model No.: Model No.: 75UF5550 No.: 75UF5550 75UF5550
No sound but have picture
Verify if the speakers are
broken
No
Verify if the main board has the
right input ,according to the source
you connect.
TV/COMPONENT/AV/VGA/HDMI etc.
Yes
Verify if UA1 has the right
output
Yes
Check CNA5 input is right
Still having problems
Yes
Change the speakers
No
Check the corresponding audio
input circuit you connect.
No
Verify if UA1 has the right power in
Change UA1
Change Mainboard
No
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