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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 711
SharpDV3751Hint start up, dead,widthR601 5R6 5w varied in value & int o/c14-09-04
SharpDV3751HTEXT FAULTY , CHANNEL 4 , SOME TRANSMITTERS ONLY4 ) REPLACE R825 2.2k WITH 1.8k ( Sharp VRS TV1JD182J ) 5 ) ADD 100pF ON PRINT SIDE , ACROSS R871 6 ) FIT 100pF CAP IN POSITION C214-09-04

SharpDV37560Reverts to st/by aft 2 secsHeavy load on LOP stage caused by faulty LOPTx14-09-04
SharpDV3760Deads/c on ht line traced to LOPTx14-09-04
SharpDV3760Pic displaced 3" to rightR604 seems to be the cause (wrong value?) removing it centralised pic14-09-04
SharpDV3760Tripping PSU & LED red/green flashingC604 1000µ 16v in sec of psu14-09-04
SharpDV3760 4BSAShuts down straight away at sw onReplace LOPTx (HR 7559) plus R649 27R 1/2W, R637 27R 1/2W, R640 56R 1/2 W + 2 elect caps between base/emitter Q101014-09-04
SharpDV3760HDeadS/C across LOP stage; D601 1N4937 600v 1A s/c14-09-04
SharpDV3760HDead - no o/p from psuD601 1N4997 HT rect leaky14-09-04
SHARPDV3760HDEAD WITH S/C ACROSS LINE O/P TRANSISTORCHECK D601 1N493714-09-04
SharpDV3760HVERTICAL STRIPES ON LEFT SIDE ESP DARK SCENESFIT 1K8 IN PLACE OF JUMPER WIRE R895 Sharp VRD-RA2HD182J14-09-04
SharpDV3760H 4BSADead but all psu secs ok apart from 13vD602 faulty tho' measured ok14-09-04
SharpDV3760H 4BSANo start upC604 1000mfd 16v o/c14-09-04
SharpDV3761H 4BSAField intC512 82nF field ramp/charging cap to pin 6 IC801 int14-09-04
SharpDV3770HTo access service modelink pins 3 & 6 of conn TB & press "Mode" on r/c. "Service" appears; Select with "Mode+ & -", Adj with "Chan+ & -"14-09-04
SharpDV5101No st/byChopper tfmr hi res on 5v winding14-09-04
SharpDV5101 DV5103Stuck in StBy : Pic distortion : White pic : No OSAll can be caused by IC1404 TVPO replace PtN RHIX1443BMN514-09-04
SharpDV5101 DV5103Stuck in StBy: No vertical drive: Colour faults: DAll can be caused by IC1400 VSP replace PtN RHIX426BMZZ14-09-04
SharpDV5101HDead maybe smell of burning D708 s/c R705 o/cSharp issue repair kit14-09-04
SharpDV5101HDead with smell of burningR705 overheating - D708 s/c14-09-04
SharpDV5101HSt/by onlyHT high at 170v (113v), Opto CNX82A faulty but still no go - link 147 in 25v line was o/c (an inductor) fitted wire link in lieu & now ok14-09-04
SharpDV5101HWONT COME OUT OF SBYR612 OPEN - CHANGE R612 WITH 2.2ohm AND FIT R612 2.2ohm Sharp -XZ0204BMZZ , J-13 1.2ohm Sharp VRD-RA2HD1R2J14-09-04

SharpDV5103DIST SOUND PLAYING BACK VHS HiFi USING A/V IP.CHAN10K RESISTORS ARE FITTED , FROM NEG SIDE C1374 TO DECK , FROM NEG SIDE C1372 TO DECK , FROM NEG SIDE C1394 TO DECK , FROM POS14-09-04
SharpDV5103LIN FAULT , OR LOW DEF PIC OR LOSS MEM , TUNING , SOIC1411 NVM Sharp CH-IX1409CJHO14-09-04
SharpDV5103When replacing chopper trfmrDon't use DV5105 version - different14-09-04
SharpDV5103WHEN USING SUBTITLES PART OF TEXT DISAPPEARSIC1415 Sharp CH-IX1412CJH414-09-04
SharpDV5103 Euro DS1Low sound - vol & mute operate correctlyPin 4 (mute) TDA1905 IC301 low. C321 470µ 10v decoupler leaky14-09-04
SharpDV5103HBlank raster & no OSD after LOPTx replacementC612 in beam lim had burnt out14-09-04
SharpDV5103HDead - 2A fuse & 8R2 7w surge lim res o/cS/C pri chopper trfmr to earth14-09-04
SharpDV5103HDead - Ht low at 45v instead of 113vD754 6v2 zener in psu feedback loop leaky - also replace CNX82A opto coupler14-09-04
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