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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: 29
AkaiCT2107MS (Onwa)Int off with blob in centre of screenCheck for hairline cracks around chopper tfmr pins14-09-04
BlaupunktMS70-76 FM 100-30black screenU2(200V) is missing at CRT pcb. Check fuse S720 and R1853(3K3)+V1855 (BF421) on video module. +evt. R1816+V181514-09-04

BlaupunktMS70-76 FM 100-30No start up at power onC450 100uF/25Vin psu between TDA 4601 & base V450. Also check L452 in Coll of V450 & all comps in psu. Recomend fit 10k between pin 1 & 9 of TDA 460114-09-04
BlaupunktMS70-76 FM 100-30Relay clicks at sw on - otherwise deadC441 1uF & R440 330k in psu area; 11v at V410 front left in front of modules ( measures 8 volt in Stby )14-09-04
BlaupunktMS70-76 FM 100-30Reverts to st/by at sw onC450 (100uF/25V) in psu area14-09-04
Bush2850NTX-MSslow start up - reset problemIC101 pin 33 needs 4.8v to start up mod - add 1µ & 100k res to 5v line14-09-04
Bush2850NTX/MSno graphics, front panel buttons are inoperative, remote is inoperative,no sound, no picture - only blank full size raster with 4-5 coloured horizontal lines on the screen.no flyback supply voltage to frame IC TDA8351 pin 6 caused by R438 0.22 Ohm o/c (near LOPT).14-09-04
FergusonICC19 Thomson 32WS83KPstarts up then trips and shuts downIB01 TEA5101B on CRT14-09-04
FergusonTX807 Thomson 14MS15UTdead, no LEDDP25 RGP10 s/c14-09-04
FergusonTX91 Thomson 10MH73B 10MG73BdeadSMD TF21 near LOPTx not soldered in factory14-09-04
FergusonTX91 Thomson 10MH73B 10MG73Bdead on 12V supply (car supply)RD09, RD19 22R 0.5W fusible 14-09-04
LoeweMS56Startup - no sound or picture.R534 ( 3.3R ) o/c , check C638 ( 1uf )14-09-04
LoeweMS56This set's picture was marred by very severe Venet1k LZ AMP preset P323 had gone open-circuit.14-09-04
LoeweMS56 C8001Stuck in standby.R534 ( 3.3R ) o/c , T534 , C534 ( 47uf )14-09-04
Loewe OptaMS124POOR FIELD LINC581 47uF 63v14-09-04
Loewe OptaMS56 C8001Dead.LOPT SC , R583 OC 22R , IC1581 SC TDA495014-09-04
Loewe OptaMS56 C8001DEAD STBY LED LIGHT R534 LINE DRIVER FEED OCREPLACE R534 3R3 T534 C53414-09-04
LoweMS56 C8001Dead - st/by onlyLine dr Tr supply res R534 3R3 o/c also check C534 47µ14-09-04
LoweMS56 C8001Dead after smelling hotC652 47µ 250v HT cap leaky/ burnt conns14-09-04
LoweMS56 C8001High HT (should be 142v)C638 1µ14-09-04
LoweMS56 C8001Venetian blindsP323 1k LZ AMP preset o/c14-09-04
MitsubishiCT14MS1BMIntermittent field jitter .Dryjoint at R461.14-09-04

MitsubishiCT14MS1BMpic shifted to rightdry joint R527 near lopt14-09-04
MitsubishiCT14MS1TXWon't tune or store - pic blacks out when receiving RC commandIC702 X24C04P EEPROM14-09-04
MitsubishiCT15MS1TXLow sound aft being in st/byEPROM IC702 changed14-09-04
MitsubishiCT15MS1TXNo sound/pic all ht volts okIC702 X24C04 eeprom replaced14-09-04
MitsubishiCT15MS1TXSound but no picture. Brightness, contrast & colour all at minimum. Returning these settings to normal brings back the picture but they return to minimum if the set is switched off then back on.Replace faulty X24C04P EPROM (IC702). 14-09-04
MitsubishiCT25MSTX E14 chassisDead - st/by led lights briefly at sw ondry joints on IC951. Drys were also found on regulators IC952, IC954 & IC955.14-09-04
MitsubishiEE2 CT14MS1LStuck in AV modeCheck for cracks around tuner lugs14-09-04
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