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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: 30
GoldstarCF28A50 PC58AField - dist top edge of picCheck electrolytics in field stage & fop chip IC351 TDA8350Q14-09-04
MitsubishiC28AV18No sound aft customer had been trying to "tune"Reprog EEPROM - sound setting should be either 10 or 2 if 10 is not poss14-09-04

MitsubishiCT28AV1Hum on sound & crushed highlightsQ952 2SC2236 leaky - mod kit available from CHS code 44053 8v Reg Kit14-09-04
MitsubishiCT28AV1Sound absentFuse link Z952 o/c & TDA7263 s/c pin 9 to ground14-09-04
MitsubishiCT28AV1St/by only after s/c LOPTr replacedPress reset button back of tuner & initialise EEPROM14-09-04
MitsubishiCT28AV18DSBlank raster & no sound - int comes on but if turned off will not come back onDry joints IC951 reg (no supply to micro)14-09-04
MitsubishiCT28AV1BCONTROL DOOR JAMSFIT FELT PAD ABOVE DOOR HOOK ON DOOR Pt No 622D49801014-09-04
MitsubishiCT28AV1BNo sound - pic okReplace blown TDA7263 audio output chip (IC351), 2 x 3r3 fusible resistors (R352/3) and the 5000m fuse link (Z952).14-09-04
MitsubishiCT28AV1BDNOT HOLDING M1 SETTINGSFIT 8V REGULATOR KIT14-09-04
MitsubishiCT28AV1BDPopping soundChanged CRT base pcb14-09-04
MitsubishiCT28AV1BSDDeadC955 3300µ 16v & reprog EEPROM14-09-04
MitsubishiCT28AV1SDead - no st/byLOPTx faulty - HR8204 is a replacement14-09-04
MitsubishiCT28AV1SNo sound after ext spkrs connectedCheck 4 x TDA7263 o/p chips (1 partly hidden) & safety res on audio panel14-09-04
Panasonic28A1INT SOUND ( MICRO MUTES SOUND. )1000mfd 5v RAIL14-09-04
Panasonic28A2NO COLOUR MAY GOES TO GREEN SCREEN WHEN COL TURNEDC613 0.01 CERAMIC14-09-04
PanasonicAlpha 3 TX28A2Txt lines at top of picC454 ( 4.7 uF; C455 ( 100 uF ) and frame output I.C. AN552114-09-04
PanasonicAlpha 3 TX28A2XE-W bowingR751 33R o/c14-09-04
PanasonicTX28A2XSound low & dist with crackle after using Svideo sktsound switching IC 301 type M52472P14-09-04
PioneerSD28AV1Bright raster with flyback lines.T1043 ( BC858B ) , T1044 ( BC871 ) , R1043 ( 1k )14-09-04
PioneerSD28AV1Dead - 2amp fuse blown.FH1701 ( IN4007 )14-09-04
PioneerSD28AV1Dead - No HT o/p from psu when connectedIC401 fop chip TDA3654 s/c 26v supply14-09-04
PioneerSD28AV1Dead.TR501 , T501 ( S2000AF ) , IC521 ( uA7812 ) , IC3501 ( TDA1521 ) , FH1701 ( 1N4007 )14-09-04

PioneerSD28AV1Dull picture with flyback lines.CRT faulty.14-09-04
PioneerSD28AV1Frame cramping.IC402 ( TDA3654 )14-09-04
PioneerSD28AV1No B-Y.IC950 ( TDA4680 )14-09-04
PioneerSD28AV1No colour.IC1452 ( SDA3526/2 )14-09-04
PioneerSD28AV1Pic displaced 3" to leftC516 470pF 1600v14-09-04
PioneerSD28AV1Picture displaced to RHS.C502 ( 7.5nf )14-09-04
PioneerSD28AV1Small raster - low 155v line.IC723 ( L7808CX )14-09-04
PioneerSD28AV1St/by only - led flickers5v from 7805 IC722 reg varies - Micro IC1415 pin 27 s/c14-09-04
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