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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: 31
CrownCRT5912RTDead - LOPTr faultyreplacement ran hot - 10µ 50v cap in base faulty14-09-04
Goodmans1428RTLine speed offDue to wrong spec TDA8362 use one with 3Y prefix (not 5Y)14-09-04

Goodmans20XRTNo contrast AdjCheck V at pin 6 TDA3562 should vari with Contrast if not check R414 ( 33K ) o/c14-09-04
GoodmansCTV20XRTContrast weakTDA3562A pin 6 volts low at 1.3v & doesn't vary - R414 33k o/c14-09-04
GoodmansCTV20XRTDeadCHECK 2R2 SURGE LIMITER R31314-09-04
GoodmansCTV20XRTDeadR313 2R2 surge lim o/c14-09-04
GrundigGRT550Dead.T661 ( S668T ) faulty.14-09-04
HarwoodHTV9425RTNJumps when cold & int blank rasterR436 3R9 2w dry joints & hi res (near scart)14-09-04
HarwoodHTV9425RTNOff with a bangC926 22µ 250v had exploded & C910 47µ 25v, C908 10µ 50v in pri psu14-09-04
HarwoodHTV9425RTNSync poor when coldC127 3µ3 50v in IF can14-09-04
LoeweART1 ART1East west.C586 ( 3 , 3nf )14-09-04
Loewe OptaARTS35 66472SOUND MOTORBOATS WHEN COLDC671 1000uF 16v ALSO C67514-09-04
Marconi4816 Port B&WSync - side way pulling - lack of line sync.VT7 ( BC197 ) , C85 , W7 , W8 , VT21 , VT22.14-09-04
NEIART701Field bounce when heatedHeight pot P302 int14-09-04
RealisticPortavision 16-7070No pictureC74 4µ7 25v bipolar cap leaky14-09-04
Sanyo3024 PORTABLES.C. LOP. TRANSISTOR , VERY HIGH HT.CHECK Q511 2SA608 PRIMARY ( CHECK HT SMOOTHING FOR POSS DAMAGE )14-09-04
Schneider26" (It can also be found as Koerting model 26)Starts but it is not possible to change programs or to search for channels.Change Control chip SDA2030-A00214-09-04
Schneider26" (It can also be found as Koerting model 26)Won't start, PS protection active.Desolder Vertical IC, if it starts, change it.14-09-04
SharpC1001 10" PortCORNER OF PICTURE MISSINGR429 HIGH IN BLANKING CCT14-09-04
Sony27XRTUDeadCHECK R 822 1K2 LINE DRIVE14-09-04
Sony27XRTUNO SYNCSAA5230 AND Q002 12v REG14-09-04
Sony27XRTUNO SYNC NO INPUT AT PIN 5 IC501 NO VIDEO OUTPUT ATSAA5230 US CHECK Q002 12v REG14-09-04

SonyCRTSNo focus.CHECK BEHIND CRT BASE14-09-04
SonyKV21XRTUDead - no o/p from psuCheck L651 - in some versions substituted with N38 fuse - it could be o/c14-09-04
SonyKV21XRTUDead with no 135v HTWhen LOP stage dis'd HT ok - LOPTx faulty14-09-04
SonyKV21XRTUField collapse with R802 1R2 o/cWhen R802 replaced blew again with arcing from loptx - loptx replaced & D808 which was causing E-W fault14-09-04
SonyKV21XRTURope pattern 1/8th inch wide on lh side of screenCheck dressing of cables - keep away from C715 & scan coil plug14-09-04
SonyKV21XRTUTxt faulty - only TV chroma present in TXTHigh res conn pin 5 connector D3 (blanking o/p from Txt decoder)14-09-04
SonyKV21XRTUTxt lines at top of picC563 3µ3 100v14-09-04
SonyKV27XRTUConvergence errorsQ1504 HAMP driver tr leaky14-09-04
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