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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: 21
Toshiba
2112DB
BLANK SCREEN NO ONSCREEN , NO REMOTE
DF80 5.6v ZENER SUPPLY TO TEXT PT. NO. Toshiba A7116415
14-09-04
Toshiba
2112DB
Dead
Loptx faulty tho tested ok
14-09-04
Toshiba
2112DB
DEAD-NO PSU
IC801 ( TDA4601 )
14-09-04
Toshiba
2112DB
Field flyback lines at top
C331 1µ & C333 100µ
14-09-04
Toshiba
2112DB
FIELD JITTER , PIC BREATHING
Q833 ( S1854 - Toshiba A6907751 )
14-09-04
TOSHIBA
2112DB
FRAME FOLDOVER
REPLACE C333 100MFD63V
14-09-04
Toshiba
2112DB
frame foldover at the top
C333 100uF 63V
14-09-04
Toshiba
2112DB
Goes into StBy aft 30 mins
Check pin 64 micro controller ic for D/J
14-09-04
Toshiba
2112DB
IC501 NOT SUPPLYING LINE DRIVE
LINE OP TRANSISTOR
14-09-04
Toshiba
2112DB
LACK OF HEIGHT
R339 GONE HIGH VALUE SHOULD BE 1.2OHM 1W
14-09-04
Toshiba
2112DB
LOPT SC Pt-No 23236427 AFTER REPLACING NO STBY
CHECK ALSO Q843 Q845
14-09-04
Toshiba
2112DB
LOUD CRACK FROM SPEAKERS WHEN TURNED OFF
C639 ( 100mfd , 25v )
14-09-04
Toshiba
2112DB
No col
Q546 BC547A
14-09-04
Toshiba
2112DB
OSD IN BLACK TELETEXT DARK
REPLACE ICY50
14-09-04
Toshiba
2112DB
reduced height
R339 1.2R 1W gone high
14-09-04
Toshiba
2112DB
SWITCH ON-LOUD BUZZ THEN STANDBY
IC605 ( LA4282 ) AUDIO OP SHORT
14-09-04
Toshiba
2112DB
WONT GO TO STBY
Q845 2SC2023 Q843 ( 2SA1321 )
14-09-04
Toshiba
2112DB
- 2512 -
Tripping
D807 BYD33J
14-09-04
Toshiba
2112DB
- 2512 -
TRIPS IN NORMAL OPERATION - OK IN SBY
D812 13v ZENER Toshiba 23316337 ( REDUCES PIN 5 IC801 BELOW THRESHOLD VOLTAGE )
14-09-04
Toshiba
2112DB
etc
Field collapse
Check drive pin 32 IC501 TA8783N dec/tb chip - if absent chip could be u/s
14-09-04
Toshiba
2112DB
T
3 flyback lines at top of screen
C333 100µ 35v in field stage
14-09-04
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