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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: 84
Bush1495N 11AK19DeadR806 22k 1w safety res o/c14-09-04
CrownCTV9528NFTDead with TR15 S2000N S/CReplace S2000N and C102 100ufd which was down to 20ufd14-09-04

CrownCTV9528NFTGreen 'tubey' pictureR28 68K on tube base14-09-04
GoldstarCIT9508Dark pic, lack of height & field non linC820 10µ 160v14-09-04
GoldstarCIT9508Dead, relay clicks at sw on but no line driveFR802 1R fusible in 22v supply o/c for no apparent reason14-09-04
GoldstarCIT9508Int dark or no picInt A1 control14-09-04
GoldstarCIT9508No picture or int dark pictureA1 control on lopt int oc14-09-04
GoldstarCIT9508Pic fades out due to loss of crt heatersDry joints P451 crt htr supply on main pcb14-09-04
Goodmans2028T/2195TChans lockedXT01 27Mhz Xtal14-09-04
Goodmans2028T/2195TChans lockedXT01 27Mhz Xtal14-09-04
Goodmans2028T/2195TLOCKED UP WITH NO CHANNEL CHANGEREPLACE XT01 27MHZ CRYSTAL14-09-04
Goodmans2170 2175 2180 2185 2595 TV14RCLOPTr Q210 has short life - High EHT & Focus voltsC264 47µ 160v (C434 in TV14RC)14-09-04
Goodmans2195: Excess Width (after transformer replacement)Change value of C411 from 0.33 to 0.4714-09-04
Goodmans2195 , 205N , 215NNORMAL SETTINGS , AMBIGUITY IN USER INSTRUCTIONS ,STORE WITH STORE AND RETURN TO NORMAL BY PRESSING "MENU" TWICE. ---- USING "TV" TO EXIT DOES NOT WORK , THIS IS IN EFFECT14-09-04
Goodmans2195TCol runningC502/3 off pin 33 of chroma chip faulty14-09-04
Goodmans2195TField scan drastically reducedIV04 33v reg14-09-04
Goodmans2195TNo OSDNo vert sync pulses to IV01 micro pin 38 - FOP chip TDA3653B faulty14-09-04
Goodmans2195T CP330Field OP chip TDA3653B has short life (1 week)C414 22µ pin 4 LOPTx leaky14-09-04
Goodmans2595TNWill not go into StBYReplace R105 & R106 ( 150K )14-09-04
GrundigCUC95Dead - BU208 s/c.R646 high.14-09-04
GrundigCUC95FIELD COLLAPSER2754 1M PRESET14-09-04
GrundigCUC95Field collapseall 3 field pre-set pots had been twiddled & broken - replacement cure14-09-04

GrundigCUC95No pic, heaters or EHT - no line pulses from TDA1950EHT cap had been arcing and caused demise of TB chip TDA1950 & TDA1770 field chip14-09-04
GrundigST95-775Poor FocusFocus cap 68pF 12,500v14-09-04
JVCAV295X1EKPic Narrows - esp on TxtR553 5R6 o/c or dry joints & check D553 BYD330 for s/c14-09-04
Logik4094 TX95Tuning - no tuning.R56 2.4k res o/c , IC 902 ( M293B1 ) on side board.14-09-04
Matsui2095DEAD BUT POWER SUPPLY OKC607 ( 3.3nF )14-09-04
Matsui2095TDead - psu working okNo line drive - C607 3n3 in osc leaky14-09-04
Matsui2095TDead F101 1A s/c & D104 1N4148 s/cReplacements went same way as orig - Chopper Tfmr has shorts between windings & is obsolete14-09-04
Matsui2095TDIST SOUNDRESEAT AUDIO IC14-09-04
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