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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: 10
Fujisound
GP
2590
11AK12-9
Field collapse, no sound/tuning
R818 22K 33v feed o/c
14-09-04
Matsui
2580
2590
DEAD OUTPUTS PRESENT ON SECONDARY SIDE OF CHOPPER
CHECK ALL VOLTAGE REGULATORS
14-09-04
Matsui
2590
Blowing line transistor BU508A TR604.
IC1401 ( DPU2543 )
14-09-04
Matsui
2590
Blue raster.
R719 ( 18k 2w ) o/c.
14-09-04
Matsui
2590
Dead - no st/by led
HT present at LOPTr, no 24v at line driver stage or 5v supply - D807 BY299 faulty
14-09-04
Matsui
2590
Dead - no standby LED.
R807/8 ( 470k ) , Drys IC801 , TR801 ( BU ) , R815 ( 1R ) , Dry bt L805 , R826
14-09-04
Matsui
2590
DEAD WITH STANDBY LED OUT NO 24V AT LINE DRIVER
CHECK 5V STANDBY SUPPLY D807 ( BY299 )
14-09-04
Matsui
2590
Frame collapse.
IC401 ( TDA8175 ) , IC1401 ( DPU2543 )
14-09-04
Matsui
2590
Hiss from speaker - OSG "Mono-stereo - bil A"
IC APU2470T ( Pt No.IC1301/013240252 )
14-09-04
Matsui
2590
Lack of height.
24v rail low at 18v TR803 ( BD139/16 )
14-09-04
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