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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: 24
Sharp66DS-03H CA10Dead - psu blown up due to faulty opto couplerReplace Q702, 703 etc & opto - careful not to overheat it when soldering new one in or hi HT persists See Sharp Tech bulletin CTV2001010114-09-04
Sharp66DS03HField collapse then deadC613 dry joints14-09-04

SharpCA10 59/66DS03Hbottom half of pic Ok, top half stretched with bright line in the centre15V supply missing, replace fuse F601 1A near LOPTx14-09-04
SharpCA10 59/66DS03Hbottom half of screen dark on high contract scenesreplace D514 1N4148 (leaky), feeds off frame stage to pin 22 jungle IC20114-09-04
SharpCA10 59/66DS03HdeadC613 680nF 250V burn-up or buckled, also R613 2.2k R610 safety 33R (RRXZ0218BMZZ)14-09-04
SharpCA10 59/66DS03Hdead, line drive present on base of LOPTr but it is not being turned onlack of bias to Q602 due to D605 o/c (RHDX0591BMZZ)14-09-04
SharpCA10 59/66DS03Hdead, neon light onR704 68k 1W (no 5V to Micro)14-09-04
SharpCA10 59/66DS03Hdistortion on right channelSMD C2314 100nF leaky14-09-04
SharpCA10 59/66DS03Hexcessive width with E/W errorreplace R519 100k (o/c)14-09-04
SharpCA10 59/66DS03Hframe collapsefuse F602 o/c (QFSJ2521CEZZ)14-09-04
SharpCA10 59/66DS03Hno remote or front control functionsR704, R705 68k 1W in 5V supply to Micro are high or o/c14-09-04
SharpCA10 59/66DS03Hno remote or local buttons functionR705 68k o/c (no supply to IC702)14-09-04
SharpCA10 59/66DS03Hno sound on speakers, Ok on headphonesSMD C2310 33nF leaky (45V line down to about 30V)14-09-04
SharpCA10 59/66DS03Hpartial frame collapse and foldoverreplace fuses F0601, F0602 rear of PCB, upgrade to 2.5A. If fuses Ok, check R617 22R14-09-04
SharpCA10 59/66DS03Hset won't start (no line drive)D602 s/c in -13V supply (RHDX0504BMZZ)14-09-04
SharpCA10 66DS03HBOTTOM HALF OF PICTURE OK TOP IS LINES WITH E/W DISTREPLACE F601 NEAR LOPTX14-09-04
SharpCA10 66DS03HDeadDry joint & o/c C613 680n & res across it o/c- to rt of Loptx14-09-04
SharpCA10 66DS03HDead - LOPTr Q602 BUH515 s/cC60414-09-04
SharpCA10 66DS03HDead with whine from psuDry joints C613 680n - replace cap & resistor across it14-09-04
SharpCA10 66DS03HField - bottom ok top squashed with linesF601 N27 2.5A fuse14-09-04
SharpCA10 66DS03HNo control via front or remoteR705 68k st/by 5v feed14-09-04
SharpCA10 66DS03HNO REMOTE OR FRONT FUNCTIONSCHECK R704/705 FOR O/C OR HIGH VALUE SHOULD BE 68K14-09-04

SharpCA10 66DS03HSt/by onlyLOPTr s/c due to almost invisible dry joints on scan coil conn14-09-04
SharpCA10 66DS03HSTUCK ON 1 CHANNEL, NO REMOTE OR FRONT FUNCTIONSREPLACE R705 68K14-09-04
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