Haier LEC24B3320 Service Manual

Change Panel
Still having problems
ave sound
Check if there is +12V at Pin35 in J1
No
Replace the QD6
Yes
Check if there is +30V at C931
Yes
No
Check if U5:
Pin2(0.72V)ǃ
Pin3
˄5V˅ǃPin4(12V)ǃ
Pin6(5.7V) is normal
Change LVDS wire
No
Check if Q103 ǃ
D10
ǃ
D9
ǃ
Yes
Replace Q103ǃ
D10
ǃ
D9
No
Service Manual
Model No.:
No picture but
h
Replace U5
R700 is
working
9-2. Main board failure check
- 39 -

Haier LEC24B3320 Specifications

General

Brand	Haier
Model	LEC24B3320
Category	LED TV
Language	English