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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: 749
Goodmans1410 TX805At switch on blows TP10 S2000AF, DP10 BYV38 and DP50 ZPU150.remove SMD resistor RP07 6.8k in HT set and clean off the glue, which had become conductive.Please note, that DP50 is not marked on the PCB. It sits on the component side of board between the +103V supply and earth.14-09-04
Goodmans1410 TX805DeadCHECK RP 41 , 42 , AND 44 150k AND 120k IN PARALLEL.14-09-04

Goodmans1410 TX805DeadRP92 - 0.68 ohms14-09-04
Goodmans1410 TX805DeadDP18 ( BA159 ) RP68 ( 0.68ohm )14-09-04
Goodmans1410 TX805DeadD412 S.C. FITTED UNDER HEATSINK14-09-04
Goodmans1410 TX805Distorted / Poor sound.Check RA10 is correct ( 680ohm ) not 6K8.14-09-04
Goodmans1410 TX805FIELD FLYBACK LINESCHECK RES JP20 MARKED AS 680r 33r IN SET. SERIES WITH 100mfd14-09-04
Goodmans1410 TX805Flyback lines.Check resistor JP20 marked as 680R 33R in set. series with 100uf.14-09-04
Goodmans1410 TX805INT SHUTTING DOWN OR DEADCHECK 15V SUPPLY RESISTORS14-09-04
Goodmans1410 TX805Low brightness.RT40 68K gone high , on CRT base.14-09-04
Goodmans1410 TX805POOR SOUND , DIST.CHECK RA10 IS COECT ( 680ohm ) NOT 6K8.14-09-04
Goodmans1410 TX805Shutting down Int. or Dead.Ck 15V supply resistors.14-09-04
Goodmans1410 TX805St/by onlyDP50 (BZX85C-150) 150v zener (near ic IF01)14-09-04
Goodmans1410 TX805Tuning drifts.CHECK 33v DHO4 ZTK33 NEAR MAIN MICRO IC.14-09-04
Goodmans1418RDead or int dead103v HT low/missing - C821 100µ 160v leaky14-09-04
Goodmans1420RAll progs slightly mis-tuned & not stopping during search tuneAll that was required was a slight tweak of the hex core in the afc coil14-09-04
Goodmans1425RSDead with slight tickingIC901 TDA6106Q on crt base (runs warm)14-09-04
Goodmans1425RSLines at bottom from coldC308 470µ 25v14-09-04
GOODMANS1425RSLINES ON BOTTOM OF SCREEN WHEN COLDREPLACE C308 470MFD25V14-09-04
Goodmans1425RSNo pic or screen volts - sound okC911 on crt base leaky14-09-04
Goodmans1425RSNO PICTURE SOUND OKREPLACE C911 ON CRT BASE14-09-04
Goodmans1428RTLine speed offDue to wrong spec TDA8362 use one with 3Y prefix (not 5Y)14-09-04

Goodmans1428TLINE SPEED OFFCHANGE TDA8362 TO A TDA8362A14-09-04
Goodmans1428T/2028TNo col, IC701 pin 26 0v, pin 33 low - no burstC503 4n7 leaky14-09-04
Goodmans1430St/by onlyR302 o/c (dc feed to pin 21 IC301)14-09-04
Goodmans1430 E seriesNo bar funct on vol & tuning adj - control works okIC602 micro Pt no TMS73C4714-09-04
Goodmans1430 E seriesNo col/lack of height/stuck in st/byR303 6k8 4w14-09-04
Goodmans1430 E seriesR/c not working - hset okIC750 IR Pre amp TSMS436014-09-04
Goodmans1430 E seriesWhen changing CPU to new type 033-815245-11DAdd D603 1N4148, delete R165 & change handset14-09-04
Goodmans1430/1404STRIATIONSREPLACE C420 ON CRT BASE14-09-04
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