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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
Make
Model
Problem
Solution
Date
Found: 659
Toshiba
2557DB
when watching sat. receiver via SCART, TV may switch to 16:9 mode on its own
remove the switching line from pin 8 of the SCART lead.
14-09-04
Toshiba
2557DB 2857DB 2577DB 2877DB 3357DB 3377DB
Dead - green led flashes every 3 secs - no line drive
Check D431 1N4148 o/c removing supply to pin 22 TA1222AN IC501
14-09-04
Toshiba
2557DB 2857DB 3357DB C5SS
Dot or worm like pattern on bright areas of picture .
L910 on CRT base OC. PtNo23289479
14-09-04
Toshiba
2557DB etc
Dead - green led flashes every 3 secs
No line dr from IC501- D431 o/c 1N4148
14-09-04
Toshiba
2557DB etc
No surround or central sound
headphone mute tr Q611 2SA1015
14-09-04
Toshiba
2557DB etc
No surround or centre sound
Hphone mute tr Q611 leaky 2SA1015
14-09-04
Toshiba
255R7B
Line phase int - hor pic shift
Dry joints TDA2579 timebase chip pins
14-09-04
Toshiba
255R7B
NO ON SCREEN DISPLAY
D403 LEAKY
14-09-04
Toshiba
255R7B 255T7B
DEAD Q404 SC.
PIN 27 OF PLUG 570 DRY JOINTED
14-09-04
Toshiba
255T7B
Dead.
Line transistor can use a S2000AF due to drys on LOPTX/Scan Plug.
14-09-04
Toshiba
255T7B
INT LOSS OF COL
C551 SUBCAIER ADJUSTMENT TRIMMER
14-09-04
Toshiba
255T7B
no sound or pic blank raster
vid present at pin 6 vid sw chip QV01 but no further - supply to chip missing due to CV08 1000µ s/c & RV11 180R o/c
14-09-04
Toshiba
255T7B
Will not go into StBy
Q803 2SC2023 Q804 2SA1321
14-09-04
Toshiba
2563DB
E/W bowing with reduced width
TA8859P, QD03, C1815 replaced & adj in serv mode
14-09-04
Toshiba
256T9B
after repeated chan change loses all stations
dry joints eeprom
14-09-04
Toshiba
256T9B
Stuck in standby.
S/C pins 25/26 if comes on IC M37100M8-5835P + may be 4MHz Xtal
14-09-04
Toshiba
256T9W
No H or V sync
Replace 2 x mini elect caps in tuner
14-09-04
Toshiba
2573/2873DB
Excess width & no E-W
Q302 TA8859 chip
14-09-04
Toshiba
2573DB
Reverts to st/by aft eht comes up
duff batch of 2SC1850Y fitted in posn Q831, 828 & 871- suggest replacement when servicing
14-09-04
Toshiba
2573DB
stuck in stby
protector ZP81 5A (23144451) o/c, Q605 TA1222AN (B0376856)
14-09-04
Toshiba
2573DB
won't come out of stby, intermittent
DJ on X-tal XA01 near Micro
14-09-04
Toshiba
2577B
SPARKLES ON LEFT HAND SIDE OF SCREEN SPREADING TO COVER WHOLE PICTURE
REPLACE X501
14-09-04
Toshiba
2577DB
int or no Dolby prologic
DJ on QD01 TL9337F on board U101
14-09-04
Toshiba
2577DB
starts with sparkles on the LHS, then it spreads to the whole of the screen
replace Xtal X501 (23153638)
14-09-04
Toshiba
2577DB
tripping
Q801 STRS6709 (23905084)
14-09-04
Toshiba
258R7B
E-W dist
D368 05Z30Y & E/W IC TDA8145 on e-w sub pcb
14-09-04
Toshiba
258T7B
Blank raster when set is warm.
CV03 ( 0.01u f )
14-09-04
Toshiba
258T7B
Bright white raster.
D205 ( IN4148 ) o/c.
14-09-04
Toshiba
258T7B
Corrugated verts
C820 470µ 15v
14-09-04
Toshiba
258T7B
Dead - no st/by LED
Q808 BC147 & D828 6v8 zener both s/c
14-09-04
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