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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
SharpCV2133H 8P-SRTxt lines showingC502 220µ 25v hi esr14-09-04
SharpCV2133H 8PSRTrips once then deadC723 3µ3 63v bipolar cap - fitted 2 x 4µ7 63v back to back in lieu14-09-04

SharpCV2133H 8PSRwatermark effectC318 220µ 25v LT cap14-09-04
SharpCV213CK1Service Mode showing on screenCheck for small sw near tuner in wrong posn14-09-04
SharpCV3707HD 5PSR1St/by only - psu o/ps correctNo line drive to Q601 as Q605 sw off by micro. By operating switch SI011 set works without man or R/C. Micro IX0714CE faulty14-09-04
SharpCV3707HD 5PSR1STUCK IN STBY NO LINE DRIVE DUE TO Q605 BEING TOLPRESS SWITCH S1011 IF SET STARTS LOPT STAGE OK .14-09-04
SharpCV3730HCHILD LOCKTO RELEASE CHILD LOCK PRESS AND HOLD VOLUME DOWN BUTTON ON TV, THEN PRESS CHILD LOCK BUTTON TEN TIMES FOLLOWED BY THE BLEU MODE KEY THEN RELEASE THE VOLUME KEY14-09-04
SharpCV3730Hchild lock on, customer forgotten pin codepress and hold Vol- on the front of TV, press the child lock button 10 times followed by the blue mode button, release the Vol-. Now a new code can be entered.14-09-04
SharpCV3730HReverts to st/by after 10 secs - ok with no signal connectedR623 1M2 in beam lim o/c14-09-04
SharpCV3730HScreeching from LOPTx then reverts to st/byCRT soft14-09-04
SharpCX34E2No sound or picIC602 9v reg faulty14-09-04
SharpCX68C4NZExcess bright raster at sw on then trips off D631 (RH1), R631 (.33E fusible) open14-09-04
SharpCX68C4NZExcess brightness with fb lines then trips - sound okD629 s/c - used BYV95C in lieu & R631 fusible o/c 3E3 1/2w (pin 2 LOPTx)14-09-04
SharpD3000Faint pic after loptx replacementC606 0µ22 between pins 6 & 7 of loptx leaky14-09-04
SharpD3000Shuts down intR628 1k & R746 22k hi res14-09-04
SharpD3000 DV6603Hclicking noise from speaker, gets worse when warmreplace IC0302 RHIX1433BMZZ14-09-04
SharpDA100 56FW53Hexcessive width, about 4'' too wideQ506 leaky (RHTX0151BMZZ)14-09-04
SharpDA100 56FW53Hno NICAM, 'mono' on screen displayIC201 TDA4472MFL (RHIX1672BMZZ)14-09-04
SharpDA100 56FW53Htripping at start-up, LED flashing on/off, will come on after 30 minIC1001 micro RHIX1686BMZZ, may be proven using hairdryer/freezer14-09-04
SharpDA100 56FW53H, etcframe cramp at top or int. frame collapseC502 470uF 25V14-09-04
SharpDA100 56FW53H, etcmodificationSharp advise to fit avalanche diode (RHEX0875BMZZ) across C720 (150V rail smoothing cap) to limit any damage in event of a fault in PSU14-09-04
SharpDA100 66ESD7HField collapse - sound ok13v supply to IC501 FOP chip low at 8v. C501 470µ 25v leaky14-09-04

SharpDA100 66FW53HDead - LOPTr s/cCheck for dry joints C613 & opto14-09-04
SharpDA100 66FW53Hdead, stby LED is onQ5407 2SA1837 and Q5408 2SC4793 s/c on CRT base14-09-04
SharpDA100 66FW53Hgreen gun reduced to give a magenta piccorrupted EEPROM IC1003 (RHIX1603BMZZ)14-09-04
SharpDA100 66FW53Hnarrow pic with E-W errorreplace IC801 (RHIX1688BMZZ)14-09-04
SharpDA100W 76EF20Hno sound, no pic. HT Ok but no line driveDJ on plug P70314-09-04
SharpDA100W 76EF20Hstuck in stbyLOPTr Q601 BUH1015HI leaky14-09-04
SharpDeco 4 DV5105/DV5107dead, no PSU output, R705 burntIC700 TEA1039 pin 9 leaky to pin 7, R705 3k3 0.5W fusible (RRXZ0242BMZZ), also check D705 1N4148 and Q701 BC63514-09-04
SharpDeco 4 DV5105/DV5107won't come on from stby when remote is used, green and red LEDs flash. But it would come on Ok when mains switch is used.R751 0.33R o/c14-09-04
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