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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: 1049
PanasonicU5Int loss of line syncTDA2579 IC50114-09-04
PanasonicU5Int loss of picIC5002 SAA5240 on Txt pcb14-09-04

PanasonicU5Line pairing for first few mins at sw onC808 47µ 16v in psu14-09-04
PanasonicU5Lines when chan changing & difficult to tuneCheck IC171 SAB3035 & Xtal X17114-09-04
PanasonicU5No colTDA3562A col dec chip14-09-04
PanasonicU5NO LUMINANCE FOR FIRST 30minsLOPT DRY JOINTED14-09-04
PanasonicU5No luminance for first half hour or just intDry joints LOPTx - you wouldn't believe it with your eyes!14-09-04
PanasonicU5No picTDA3562A col dec chip14-09-04
PanasonicU5No sound on one channel - intermittent.1MR resistor under PCB from pin 18 of IC501 to chassis.14-09-04
PanasonicU5No sound on teletext.IC171 ( SAB3035 )14-09-04
PanasonicU5No sound on TxtIC171 SAB303514-09-04
PanasonicU5Slow startup of picture.Drys on LOPTX.14-09-04
PanasonicU5SQUEALS HT LOW AT 55vLOPT INTERNAL SC14-09-04
PanasonicU5Trips to st/by aft 1 secSt/by volts low due to 1000µ smoother14-09-04
PanasonicU5NDead with whineLOPTx u/s - code TLF14586F - check polarity of fback winding when refitting14-09-04
PanasonicU5NSound mutes for 5-20 secs on chan changeSuspect MAB8441-T005 micro but no longer available14-09-04
PanasonicU5NSound mutes too long when changing stations ( uptoMAB8441-T005 us ( NLA )14-09-04
PanasonicU5WNo pic, whining & "0" in displayHT present at LOPTr, no 26v as D852 RU3B was o/c14-09-04
PanasonicZ1Bright pic with fb lines & dark shadow on lh sideC554 10µ 250v14-09-04
PanasonicZ1No colourTDA3565 decoder chip & adj apc control14-09-04
PanasonicZ1No Start up.Link J125 by tuner o/c joint.14-09-04
PanasonicZ1Uncontrollable brillTDA3565 decoder chip - pin 8 at zero (should be 2.3v)14-09-04

PanasonicZ1Unstable pic on high brillC551 4µ7 160v14-09-04
PanasonicZ1Varying lum when heatedQ303 2SC2636 14-09-04
PanasonicZ1 ChassisDead - no secondary volts from psuR811 current sampling res 0R56 hi res (misprint in cct gives value as 56R)14-09-04
PanasonicZ1 ChassisDead with whine from psuD854 R2G prot diode in 103v line s/c - IC801 STR55041-M chopper chip faulty14-09-04
PanasonicZ1 ChassisNo colourDL601 Chroma delay line14-09-04
PanasonicZ1 ChassisServicing the Panasonic Z1 ChassisSee TV Mag March 199614-09-04
PanasonicZ185 TX14B4T Daewoo CP185Blank raster - OSG OKReplace EAROM IC702 & C832; C863 in power supply; kit TZS9EK021(3 pence from SEME!)14-09-04
PanasonicZ185 TX14BTTuning absentReplace eeprom 24C16 with new reprogrammed chip14-09-04
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