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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: 14
Decca
D28NE
F6
No pic - sound ok
o/c print on scan coils
14-09-04
Ferguson
DS
F6
8NX
Patterning on pic & hum on sound until heated
CG03 4µ7 100v behind LOPTx
14-09-04
Ferguson
IDC2 DS
F6
8N
Int comes on or reverts to AV2
TX26 BC858B sm
14-09-04
Ferguson
IDC2 DS
F6
8N
No mono sound
EEPROM
14-09-04
Ferguson
IDC2 DS
F6
8N
No sound - pic ok
TS40 BC857 in audio mute cct
14-09-04
Ferguson
IDC2 DS
F6
8N
Sound int
Audio muted - pin 4 Plug BS80 high - TS41 BC857B faulty
14-09-04
Granada
C51K
F6
Finlux 5000
Dead - no LED ind
Wickman Fuse Su3 (1A6) o/c , TU1 IRFBC40 - BUZ91 fitted in lieu, Du7 BYV36C also check Su3 for o/c & Tu1 for s/c
14-09-04
Sharp
66G
F6
3H
Bright picture F/B lines. 2 volts on pin 2 of ic1801
Q912 O/C. Replace q912, d1805 & c1815
14-09-04
Sharp
66G
F6
3H
Bright raster with fback lines
pin 2 IC1801 on CRT only 2V caused by Q912 o/c BC337-40 (Sharp special - normal one overheats) Also check D1805 & C1815 both sm on crt base
14-09-04
Sharp
66G
F6
3H
Dead with D735 (EX0875 or BZW104) s/c
Replace PSU opto - kit available but without D735
14-09-04
Sharp
66G
F6
3H
Dead with psu clicking
Check LOPTr & fit 3 x opto coupler kits (1 psu, 2 data)
14-09-04
Sharp
66G
F6
3H
Sound - crackling/int missing - no vol bar movement
Dry joints small audio sub pane
14-09-04
Sharp
66G
F6
4H
Blows LOPTr & C720 at sw on from cold
ic 705 & d735 pt no.s rh-fx0110bmzz & rh-exo875bmzz (available from CHS)
14-09-04
Teac
CT
F6
83NTXT
Black screen with smell
47E fus res o/c & Vid o/p chip TDA6107Q s/c on crt base
14-09-04
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Last SM download : russian C1-70A
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