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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: 11
Beko
283
28NX
Nicam drop out
Reset variable cap C678 for 2.8v at pin 1 IC603
14-09-04
Beko
283
2T
Pic takes a long time to appear
R213/4/5 22k on crt base or LOPTx
14-09-04
Hitachi
C
283
00
No luminance when switched on after being left in st/by for a while
SAA4981 IC1300 on 16:9 sub panel
14-09-04
Hitachi
C
283
00,C2576TN etc A5 chassis
Field lin & lines at top of pic
C725 33nF 400v
14-09-04
Hitachi
C
283
00,C2576TN etc A5 chassis
Int trips & lines
C719 4µ7 250v smoothing cap for 200v in E-W corr & check joints T702 (under plastic strut) & R950 68k near HT pot
14-09-04
Hitachi
C
283
00,C2576TN etc A5 chassis
Red pic with fb lines
R829 fusible on crt base o/c (not shown on cct diag)
14-09-04
Hitachi
C
283
00TN A5
Long time for pic to appear & white bands across
C954 1000µ 35v in 12.6v supply
14-09-04
Toshiba
283
5DB
DEAD , POWER SUPP IN OVERVOLTS MODE , 11v HT INSTEAD
CHECK IC670 , D670 - 675. TA8218AH ( VOLTS AT PIN 9 OF IC801 VARY , 5-8v. OP VOLTAGE CONTROL LOOP INOPERATIVE AS IC826 HAS NO S
14-09-04
Toshiba
283
5DB
Field IC replacement
TA8859AP is NLA & TA8859P (official replacement) does not give correct scan, a TA8859CP will work however
14-09-04
TOSHIBA
283
5DB
INT BLACK LINES WHEN COLD
REPLACE C908 270MFD400V
14-09-04
Toshiba
283
5DB
Tripping - isolating C421 restores pic with E/W error
E-W IC302 TA8859AP restored normal width with C421 connected
14-09-04
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