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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: 9



JMB134TX OrionAGC type overloadMain micro under can not seated properly14-09-2004
JMB20NTX 11AK30Sound absent apart from the odd crackle18.432Mhz Xtal in Nicam circuit14-09-2004
JMBJMB66W 11AK19ProDead - LED lit green but no line drivepin 40 TDA8844 s/c. There is an internal diode between pin 40 & ground that goes leaky, replace the IC or burn diode o/c by applying 5V between pin 40 & ground from ext psu14-09-2004
JMBJMBM020FTS PT92-90degNo col, ragged verts & causing interference on hearby tvsLOPTx - (pt-10677080) (FBT40784) from Wiltsgrove @ 14.75UKP's.arcing at bottom where EHT lead is pushed in14-09-2004
JMBJMBN028WSSE/W dist with burning smellRV38 8R2 in LOP o/c, CD21 680nF 250v o/c14-09-2004
JMBNO28WSS PT92Dead with green LED flashingVolts at psu sec very low - OK on dummy load - DD07 BY228 faulty14-09-2004
JMBPT92Reverts to st/by aft brief EHT rustleCheck Tr BC337 cct Ref TD04 in 8v supply, it's probably o/c.14-09-2004
JMBC1499BA (Orion)St/by onlyNew EEPROM ordered from CPC cured problem14-09-2004
JMBC2099TX Matsui TVR180St/by onlysyscon/timer/servo IC1006 OEC0078C using the sub-panel to get it out of S/by and then corrected incorrect Hex values. (Or get preprog 24C08 from Grandata)14-09-2004
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