LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
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In the case of abnormal display on the screen when side AV1,2 / AV3 mode.<br />
Copyright LG Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
C 2008<br />
Is video input of the AV<br />
(JK100,JK101,JK103) OK?<br />
Yes<br />
Same as Block A<br />
In the case of abnormal display on the screen when Component, RGB mode.<br />
Is R,G,B input and H/V<br />
sync of the JK102,P101 OK?<br />
Yes<br />
Same as Block A<br />
In the case of abnormal display on the screen when HDMI1,2,3 mode.<br />
Is the HDMI switch<br />
(IC200) OK?<br />
Yes<br />
Same as Block A<br />
No<br />
No<br />
Check the input source.<br />
Check the input source.<br />
No Is the TMDS waveform between<br />
the IC and HDMI jacks OK?<br />
No<br />
In the case of abnormal display on the screen when HDMI4 mode.<br />
Is the HDMI Jack<br />
(JK204) OK?<br />
Yes<br />
Same as Block A<br />
No Is the TMDS waveform between<br />
the IC and HDMI jacks OK?<br />
No<br />
- 22 -<br />
Replace IC200<br />
Replace JK204<br />
LGE Internal Use Only
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