toshiba Repair Tips




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Results 834
MakeModel Ch.SymptomProblem SolutionSolutionBy:
ToshibaC90D
field linC372 connected to pin 15 EW chip Q371 - 2µ2 50v
ToshibaC8SS 2987DB
pic goes dark after 1hourscreen voltage down due to leaky C902 (24092345)
ToshibaC8SS 2987DB
int frame collapse from coldQ430 2SD1944H leaky (23314707)
ToshibaC8SS 2987DB
deadF889 5A o/c, Q640 TA8211AH s/c, D640/D641/D642/D643 1N4148 s/c
ToshibaC8SS
int crackle from all spkrs esp from coldpick up on Dolby dig unit U1 replace with improved U2 version
ToshibaC8SS
convergence errorsDigicon module U103 disloged - refit
ToshibaC800
Touch tuning going to a channel.Check 10MR resistors to each touch pad , change all neons.
ToshibaC7SS 28W93B
int. line whistle in widescreen modeL441 (23233090)
ToshibaC7SS 28W8DB
stuck in stbyQ4370 (B0385853)
ToshibaC7SS 28W8DB
height reducing/varying, may be distorted sound with patterning on picC892 2200uF 35V 105deg on power PCB
ToshibaC7SS
White diagonal dashes - depends on vi contentTA9090AN digital comb filter chip
ToshibaC7SS
Thin hor white line over picMove C314 to print side of pcb - see diag in Serv briefs
ToshibaC7SS
background hiss from rear spkrsimproved Dolby digital module reqd
ToshibaC7S
partial field collapseC323 connected to pin 2 of Q501 leaky - 0µ68 50v plastic
ToshibaC6SR
pulsing pic & low HTQ828 in volts control cct leaky - 2SC1815
ToshibaC5SS 3357DB
no colourQV01 TA1218N (B0385650)
ToshibaC5SS 2857DB 3357DB
dead, no LED, 12V and 8V supplies Ok but 25V missingprotector Z889 5A (23144451) o/c
ToshibaC5SS 2857DB 2557DB
pic shifted to RHS, horiz position adj not functioning9V regulator Q430 not working due to faulty D430 zener MTZJ5.1C (23316670)
ToshibaC5SS 2857DB 2557DB
no vol or channel on screen displays, other menu screens OkQ501 TA1222AN
ToshibaC5SS 2857DB 2557DB
dead, no output from PSU, fuse OkD896 BYD33J s/c