Haier LEC24B3320 Service Manual

No sound No picture No light
Check if the power cord is correctly connected
Yes
No
Connect the power cord to the socket
Check if there is voltage pressure in JP3(12V)
ଞ
JP7 Pin1(5Vstb)
Replace Remote Control Board
Yes
Replace D806 or U2
Still having problems
Change Mainboard
Check if LD23ஂ1.15Vஃଞ LD21ஂ1.8VஃଞLD22ஂ 3.3Vஃଞ
FB2
ஂ3.3Vஃis
working
No
Chang U1
Yes
Chang UD9 or UD7 or UD8 or Q2.
No
- 42 -
other:
can' t control

Haier LEC24B3320 Specifications

General

Brand	Haier
Model	LEC24B3320
Category	LED TV
Language	English