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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: 659
Toshiba28W23B 11AK37Dead - off with a bangIC800 pt no V30011968, Q801 V30001386, C860 V30000107, D892, 896 BA159, R805 & 852 33R 1/2w, Fuse F801 2.5A & check LOPTr BU2508AF14-09-04
Toshiba28W23B 11AK37Service mode enteringPress "Menu", then 4, 7, 2, 5 - to set geometry press Green fastext button14-09-04

Toshiba28W23B 11AK37St/by only - trips off at sw onLOPTx14-09-04
Toshiba28W8DBService Mode enteringpress "Mute" on remote , then press & hold "Mute" on the remote again while pressing the "Menu" button on the TV.14-09-04
Toshiba28W8DB 28W93DBTripping with LEDs flashing red/green at 1 sec intervalC819 22µ 100v low cap14-09-04
Toshiba28W8DB C7SSDead with plug mains fuse o/cReplace Q801 STRS6709 pt no 23905084, bridge rect D801pt no 23316795, zener D804 MTZJ6.8B pt no 23316678, zener D815 MTZJ15B pt no 23316725 & R810 3R 15w pt no 24007864 14-09-04
Toshiba28W8DB C7SSField collapse - no drivereplace e/w ic Q4370 TA1241 pt no:B038585314-09-04
Toshiba28W8DB C8SSNo sound at all - spkr, scart, hphoneCheck vert pcb is fully plugged in to main pcb under cover around back skts14-09-04
Toshiba28W8DB etcSound mutes with high sat col (int)Add 120pf cap in vacant posn RV49 on rear term pcb14-09-04
Toshiba28W8DB, 28W93B etcSound mute during high sat picturesAdd 120pf in vacant RV49 posn14-09-04
Toshiba28W8DB, 28W93DBTripping - Red/Gn LEDs flashing on/off every 1 secQ802 coll low (should be 35v) - C819 22µ 100v14-09-04
Toshiba28W8DBAInt off with led flashing & no redCRT internal s/c - replaced under guarantee14-09-04
Toshiba28W8DBA C7SSSt/by only with R & G LEDs flashing - was orig int start updry joint on (+9V-1) reg tr Q420on sigs board next to IF unit. Overriding the protection by unsoldering pin 16 of Z801 broght the set to life with a narrow frame collapse 3/4 of the way up the screen14-09-04
Toshiba28W93BField collapseQ3470 TA1241AN14-09-04
Toshiba28W93BNo osd or TxtU907 27Mhz Xtal XF01 on Txt module U90714-09-04
Toshiba28W93B C7SSLine speed slightly off causing hor linesC508 12pf in series with Xtal relaced14-09-04
Toshiba28W93B C7SSSt/by only - HT only 43v (125v)IC801 HIC1016 faulty14-09-04
Toshiba28W93B C7SSSt/by only with LED litHT only 43v - IC Z801 HIC1016 u/s (HT regulator IC,12UKP+VAT). HT must be 125V when on & about 60V in standby14-09-04
Toshiba28W93DBField collapse also Q302 E/W corr IC overheatsQ302 TA1241AN14-09-04
Toshiba28WD98BSt/by onlyHT at 71v (125v), HIC1016 Z801, R479 68R 1/2w fusible o/c14-09-04
Toshiba2927DBCOLOUR FAULT-NO B-YICT01 ( TA8814N )14-09-04
Toshiba2927DBCRACKLE ON NICAM , FM AND EXT.IC ICG07 TA8776N. ON BACK TERMINAL PCB14-09-04

Toshiba2927DBDead - only 60v on 125v HT lineLOPTx14-09-04
Toshiba2927DBDEAD , POWER AND TIMER LEDS FLASHING , HT AT 40v ANDQ828 ( 2SC2230A-Y Toshiba A6325067 )14-09-04
Toshiba2927DBDEAD-STANDBY LED LITZD81 , TA821114-09-04
Toshiba2927DBHeight reduced but momentarily full on chan changeCheck/replace C322 2µ2, C317 220µ & R329 22k 0.5w - height may need adj in service mode14-09-04
Toshiba2927DBHUM FROM SPEAKERS AT LOW VOLMOVE BLUE SLEEVED LEAD FROM PIF CAN. ( CONNECTS TO PA03A )14-09-04
Toshiba2927DBNO AUDIO FROM REAR SPEAKERS ON PSEUDO SUOUND MODCG25 10mfd 16v14-09-04
Toshiba2927DBNO COLOUR WHEN USING SCARTCHECK SCART NOT SWITCHED TO VHS-S14-09-04
Toshiba2927DBpic displaced to lefto/c track connecting R40414-09-04
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