35
4. Sound problem (for 26
”
_32
”
)
No sound or sound abnormal
Check the TV is muted, adjust the
volume or enter the menu to reset?
Reinsert the audio cable or
change the TV system
Replace the cable
Replace the speaker
Replace the main board
No
Yes
No
Check the cable between the
speakers and main board is ok?
Check the speaker resistance value is in spec
(Remark: The value is marked on the speaker)?
Check the audio source connection
and the TV system are correct
?
Yes
No
No
Yes
Summary of Contents for L22DK99U
Page 4: ...4 1 General Specification Computer formats ...
Page 5: ...5 Video formats ...
Page 6: ...6 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 8: ...8 Audio Setting The Audio Setting in most source modes shows as below ...
Page 9: ...9 Feature Setting The Feature Setting in TV mode shows as below ...
Page 10: ...10 Installation Setting The Installation Setting in TV mode shows as below ...
Page 18: ...18 2 4 Front Panel Control Knobs ...
Page 22: ...22 3 Remove six screws and unplug four connectors to remove the main board ...
Page 38: ...38 6 PCB Layout 6 1Main Board 715G3560M0F0000040 ...
Page 39: ...39 ...
Page 40: ...40 6 2 Power Board 715G3414P01H300010 for 22 ...
Page 41: ...41 ...
Page 42: ...42 715G3811P01H200030 for 26 _32 ...
Page 43: ...43 ...
Page 44: ...44 6 3 Inverter Board 715G3335 1 2 for 26 ...
Page 45: ...45 715G3652P020000030 for 32 ...
Page 46: ...46 6 4 Key Board 715G3403 1 ...
Page 47: ...47 6 5 IR Board 715G3402 E ...
Page 74: ...74 9 4 Key Board 715G3403 ...