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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: 17
Toshiba2873DB C7SRNo sound - corrupt eeprom set system to 5.5MhzFit new eeprom from Tosh aft reprog it14-09-04
Toshiba2877 C7SSDead - HT low at 60vQ801 STRS6709 - also replace D809, D813, D80414-09-04

Toshiba2877DB C7SSReverts to st/by aft init EHT with G LED flashingFrame IC Q301 TA8427K s/c on pin 2 (scan output).14-09-04
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
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
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
Toshiba3377DB C7SSHiss from left/right chan at vol level 1Replace Multiplex/Audio module H002 type MVGS48 pt no 2314827514-09-04
ToshibaC7Spartial field collapseC323 connected to pin 2 of Q501 leaky - 0µ68 50v plastic14-09-04
ToshibaC7SSbackground hiss from rear spkrsimproved Dolby digital module reqd14-09-04
ToshibaC7SSThin hor white line over picMove C314 to print side of pcb - see diag in Serv briefs14-09-04
ToshibaC7SSWhite diagonal dashes - depends on vi contentTA9090AN digital comb filter chip14-09-04
ToshibaC7SS 28W8DBheight reducing/varying, may be distorted sound with patterning on picC892 2200uF 35V 105deg on power PCB14-09-04
ToshibaC7SS 28W8DBstuck in stbyQ4370 (B0385853)14-09-04
ToshibaC7SS 28W93Bint. line whistle in widescreen modeL441 (23233090)14-09-04
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