toshiba Repair Tips


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Results 834
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Toshiba28W93B C7SS
St/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 standby
Toshiba28W93B C7SS
St/by only - HT only 43v (125v)IC801 HIC1016 faulty
Toshiba28W93B C7SS
Line speed slightly off causing hor linesC508 12pf in series with Xtal relaced
Toshiba28W93B
No osd or TxtU907 27Mhz Xtal XF01 on Txt module U907
Toshiba28W93B
Field collapseQ3470 TA1241AN
Toshiba28W8DBA C7SS
St/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 screen
Toshiba28W8DBA
Int off with led flashing & no redCRT internal s/c - replaced under guarantee
Toshiba28W8DB, 28W93DB
Tripping - Red/Gn LEDs flashing on/off every 1 secQ802 coll low (should be 35v) - C819 22µ 100v
Toshiba28W8DB, 28W93B etc
Sound mute during high sat picturesAdd 120pf in vacant RV49 posn
Toshiba28W8DB etc
Sound mutes with high sat col (int)Add 120pf cap in vacant posn RV49 on rear term pcb
Toshiba28W8DB C8SS
No sound at all - spkr, scart, hphoneCheck vert pcb is fully plugged in to main pcb under cover around back skts
Toshiba28W8DB C7SS
Field collapse - no drivereplace e/w ic Q4370 TA1241 pt no:B0385853
Toshiba28W8DB C7SS
Dead 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
Toshiba28W8DB 28W93DB
Tripping with LEDs flashing red/green at 1 sec intervalC819 22µ 100v low cap
Toshiba28W8DB
Service Mode enteringpress "Mute" on remote , then press & hold "Mute" on the remote again while pressing the "Menu" button on the TV.
Toshiba28W23B 11AK37
St/by only - trips off at sw onLOPTx
Toshiba28W23B 11AK37
Service mode enteringPress "Menu", then 4, 7, 2, 5 - to set geometry press Green fastext button
Toshiba28W23B 11AK37
Dead - 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 BU2508AF
Toshiba28N23B 11AK37
Fback lines at top of picC604 100µ 63v & IC601 FOP chip STV9306
Toshiba28N23B 11AK37
Dead - no o/p from psuIC808 had no drive o/p pin 5 - chip faulty - comes with replacement R801 changed from 1k to 4k7 (kit pt no V30011968)