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LC-37XD1E (serv.man4). Troubleshooting Table - Sharp TV Service Manual (repair manual). Page 20

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     LC-37XD1E/RU
4 – 20
YES
Is LVDS video signal (TA1
± - TD1±) sent to pins (3)/(2) -(12)/(11) of CONNECTOR CN1 of LCD-
CONT-UNIT, and is CLK signal (CK1
±) sent to pins (10)/(9)?
Is LVDS video signal (TA2
± - TD2±) sent to pins (17)/(16) -(26)/(25) of CONNECTOR CN1 of LCD-
CONT-UNIT, and is CLK signal (CK2
±) sent to pins (24)/(23)?  
NO
Check CONNECTOR 
(SC2302, CN1) and HAR-
NESS WIRE (LV).
YES
  Is power (+12V) supplied to pins (1) - (5) of CONNECTOR CN2 in LCD-CONT-UNIT? 
NO
Check CONNECTOR 
(CN2,P707) and HARNESS 
WIRE (PL).
YES
 Replace LCD-CONT-UNIT.  
2
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