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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: 850
Alba
90
E529
Int dead - freezer squirted on STR54041 restores
Q104 in psu pri
14-09-04
B & O
8
90
2
Faint raster with Snow THe Dim Picture
C22 ( 220uf ) ( 18.5v Rail Reads Low )
14-09-04
B & O
8
90
2
Sound muted a few mins at sw on
dry joint IC5 pin 5
14-09-04
B & O
90
00 33XX
Tripping - & going to standby.
Dry joint on C18 S-correction capacitor.
14-09-04
B & O
LX5500 3
90
3
St/by only after initially being hard to turn on
C20 & 25 47µ 50v
14-09-04
Baird
RR59
90
Almost total field collapse
dry joints IC453
14-09-04
Beko
6BZ1
90
-11
Dead - psu burn up
IC901 MC44603, T901 FET P3NA60 use 2SK2545, R911 1k
14-09-04
Binatone
01/7
90
14
No Sound.
Speaker O/C.
14-09-04
Binatone
01/
90
14
Dead - psu blow up
C607 47µ 25v caused it
14-09-04
Binatone
01/
90
14
Sound dist at high vol
Q607 2SD400F reg should have 12v at emitter - only 5v at high vol - tr faulty
14-09-04
Binatone
01_
90
14
No start up
R622/633 180k ?w o/c
14-09-04
BPL
90
02ECR
Hissing from LOPTx & HT low at 75v
C561 220µ 250v HT res cap
14-09-04
BPL
90
02ECR
Patterning on pic
C562 22µ 250v
14-09-04
BPL
90
02ECR Mk2
Dead - caps in psu sec had blown up
Hi HT - change Q511 2SA1015 , R552 91k, R555 47k & opto coupler
14-09-04
BPL
90
02ERC
No OSD ot tunimg
R722 12k o/c
14-09-04
BPL
90
09KDR
Lines over pic & bent verts
C421 1000µ faulty - decoupler for IC201 supply pin 6
14-09-04
Bush
28
90
D
Field collapse
R704 100R, C702 100µ 63v & IC701 TDA8351
14-09-04
Bush
28
90
D
Int width & E/W
Dry joint T602 next to LOPTx
14-09-04
Bush
28
90
D
St/by LED flashes green
R879 4k7 hi res
14-09-04
Bush
66
90
Vestec
No vol/chan change or menu functions in analogue functions. Digi tuner works OK
Reset remote handset by pressing Left/Right/ Down cursor keys & No 1 button together and holding for 5 secs. Note if fault does not clear suspect micro IC.
14-09-04
Bush
66
90
D (IDTV)
No vol/menu/chan change in normal mode
reset remote unit by pressing left , right, down[cursor keys]and the number one key at the same time for 5 seconds then release.[should this fail to resolve problems similar to above then micro suspect]
14-09-04
Bush
66
90
D 11AK19
No pic except for line across top of pic - sound ok
rest of screen blank unless A1 advanced - RGB O/P IC
14-09-04
Crown
CTZ
90
02R
st/by only
Pri HT at chopper tr - R320 120k 1/4w in psu o/c
14-09-04
Crown
CTZ
90
09R
E/W fault & width varies
Scan coils
14-09-04
Datssura
CDR
90
09
Rolling non-lin pic
R548 hi res (varies with model - 180k typical)
14-09-04
Decca
1
90
1 or more control levels at zero or maximum.
Front PB membrane.
14-09-04
Decca
1
90
Alternate light & dark vertical bars.
C901 ( 10nf , 2kV ) dry joint.
14-09-04
Decca
1
90
Blowing S2000AF.
C404 flyback tuning con.
14-09-04
Decca
1
90
Britness turning up or down on its own.
Hand set.
14-09-04
Decca
1
90
Chopper transistor s/c
Also change R811 470k
14-09-04
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