LG DP271, DP271B, LPA-837 Service Manual page 13
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Also See for DP271, DP271B, LPA-837:
- Owner's manual (211 pages) ,
- Owner's manual (84 pages) ,
- Owner's manual (84 pages)
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LCD ELECTRICAL TROUBLESHOOTING GUIDE
LCD MODE CONT signal?
All "LOW" (Normal condition?
YES
TFT LCD pressure voltage?
+15V, -14V, +5V
YES
TFT LCD normal?
YES
Color adjusting normal?
YES
Each connector?
YES
END
NO
MAIN B/D Check
NO
Power source and D901, D902, U901 Check
NO
Readjust as adjustement standard
NO
Replace and Reassemble
NO
3-4
Replace
Replace
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Troubleshooting
