No
Yes
AV No sound but have picture
Change
Mainboard
Still
having
problems
Check if there is sound input signal
Check the input source
Yes
No
Check if there is signal at CD744 and CD743
No
Yes
Check if there is signal at FB6,FB8,FB8,FB10
Change U23
Check the speakers
Yes
Change UD4
Check LD3 voltage
12V
LD3
Else
S
ervice M
a
nu
a
l
Model No.:
- 53 -
Check if there is signal at C222 and C223
Summary of Contents for 32HK30G
Page 13: ...3 4 LED Panel 10 Service Manual Model No ...
Page 14: ...Service Manual Model No 11 3 4 1 Connector de finition ...
Page 17: ...4 6 Remove the remote control take out the remote controlboard Service Manual Model No 14 ...
Page 18: ...7 Electrical parts 7 1 Block Diagram ...
Page 40: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 51 ...
