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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: 16
B & OMX2000Bright on lh side, dark on right then goes completely darkDry joints pin 1 LOPTx14-09-04
B & OMX2000Dead TEA2026 defectiveLOPTx desroys chip so replace as well & replace or fit 15v zener between o/p pin 7 chip & chassis14-09-04

B & OMX2000Faint pic after LOPTx replacementRL25 burnt14-09-04
B & OMX2000Slightly off tune at sw onBack up battery on its way out - if no startup after replacement s/c battery terms momentarily14-09-04
B & OMX2000White hor line 3-5 cm tallNo 200v on crt base - dry joints pin 9 LOPTx14-09-04
B & OMX2000 3119St/by only (dot in display)124v HT present no line drive as RP10 1R2 hi res14-09-04
B & OMX2000 31XXBright raster with no sound.RL28 1.5ohm dry.14-09-04
B & OMX2000 31XXINT FIELD COLLAPSEDRY JOINTS ON EW DIODES OR ON CL1214-09-04
B & OMX2000 31XXNo picture.Drys on CRT base.14-09-04
B & OMX2000 31XXNo sound.6Mhz coil LD40 o/c.14-09-04
B & OMX2000 31XXStandby - no standby light.RP43 0.47ohm o/c , CR67 ( 1 , 000uf ) on microcomputer PCB8.14-09-04
JVCAV28S1EK AV25S1EK MX2St/by light changes col but no line driveNo supply to line dr tfmr as R903 2k2 hi res (switches st/by tr Q902)14-09-04
JVCAV28S1EK AV25S1EK MX2Width & E-W faultyReplaced memory chip for electronic screwdriver - 24C01A/P IC170714-09-04
JVCMX2Field int collapsesD441 RD3.0ES(B2) goes leaky when warm - to pin 13 TA8859P IC46114-09-04
JVCMX2Flyback lines at bottom of screenIncrease value of C442 from 150pf to 470pf14-09-04
PanasonicTC29V50R MX2DeadR833 (22E) emitter resistor to Q802 in power supply14-09-04
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