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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: 41
B & O33XXGrey scale variations.4R18 ( 1.8M ) on CRT base.14-09-04
B & O33XXINT LOSS SIGNALSDRYS ON TCA270S IN CAN E14-09-04

B & O33XXNo luminance.Drys on tuner/IF contact strip , drys on coils delay line.14-09-04
B & O33XXNo sound mute via hand set.1D4 on tuner/IF panel.14-09-04
B & O33XXPulsating.Loose screws on chopper 6TR1.14-09-04
B & O33XXRemote - insensitive remote hand set.Check LEDs for o/c.14-09-04
B & O33XXStartup - no startup.Q3 on PSU o/c.14-09-04
B & O33XXStuck in standby.Short on 5T11 transformer primary-to-secondary.14-09-04
B & O37XXFlashing black lines - int1TR11 tuner /IF pcb leaky int14-09-04
B & O37XXLack of height10v supply to fop cct low at 9v - D32 6v2 zener leaky14-09-04
B & O37XXNo line syncTDA1940 26IC5 - no sync out at pin 914-09-04
B & O37XXNo start upCheck for dry joints & Q3 in psu14-09-04
B & O37XXNo Txt or osd etc8IC1 shift reg chip 401514-09-04
B & O37XXWidth reducedC32 1n5 1.5kv o/c14-09-04
B & O37XXFrame - reduced heightD32 6.2v zener leaky.14-09-04
B & O38XXSpeaker - LH spitting noisePoor conns earthing braid/aquadag on crt14-09-04
B & O39XXSPITTING FROM L/H speakerCRT EARTH POOR - CLEAN14-09-04
B & O4402 35XXDeadCheck C10 & C12 ( 47u f )14-09-04
B & O4402 35XXNo sound or picture.5C10 ( 47u f ) o/c.14-09-04
B & O4402 35XXWidth - line collapse.Poor connections on scan coils leads.14-09-04
B & O4402 35XXWidth - varieing intermittentley.Poor connections on scan coils leads.14-09-04
B & O5102 77XXIntermittent negative picture.Dry joints on i.f. board connector , in vision detect can.14-09-04

B & O5102 77XXNegative picture - intermittently.Drys on IF edge connector , & earthg lugs in vision can.14-09-04
B & O7702 7XXXXDead with no standby LED - intermittent.Drys on or T2 standby transformer.14-09-04
B & O8102 71XXWon't come out of st/by - intR20 ON REMOTE / MICROPROCESSOR PCB HIGH IF 2M7 REPLACE WITH 820k14-09-04
B & O9000 33XXTripping - & going to standby.Dry joint on C18 S-correction capacitor.14-09-04
B & OLX2500 37XXNO STBY LED SET STUCK IN STBYC14 470uF 16v OC14-09-04
B & OLX2800 37XXSync - poor sync.26IC5 ( TDA1940 )14-09-04
B & OMX1500 78XX raster but no sound or picture.ICP1640 ( 630mA ) o/c.14-09-04
B & OMX2000 31XXBright raster with no sound.RL28 1.5ohm dry.14-09-04
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