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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: 267
Akai
TV2
03
4
St/by only with HT only half normal & LED flashing
Stuck in chjld lock mode - disable using handset
14-09-04
Amstrad
CTV3
03
2N
Manual tuning
press 1 - press TV- press menu and hold it, the first menu is for sound keep the button pressed and the OVERVIEW menu appears then release and press menu again this will give you a tuning menu, select the preset number then- with the cursor keys move down to tune and when you get the station you want move down to store then press vol + the word stored appears and then press TV
14-09-04
Amstrad
WSTV3
03
2
Dead - BU2525 LOPTr s/c
When replaced ran hot with smoke from D01 - EW driver chip STV2145 faulty
14-09-04
Amstrad
WSTV3
03
2N
Accessing service mode
Enter code 089
14-09-04
Amstrad
WSTV3
03
2N
Removing child lock
press in this order P+ P- V+ V- with the round central button on the hand set, then press o.k. this has to be done in a quick shot within 4 secs, then the lock will be cleared .
14-09-04
B & O
LX5500 39
03
St/by only after initially being hard to turn on
C20 & 25 47µ 50v
14-09-04
Beko
2
03
06NX
Dead - MOSFET 2SK1118 s/c
Only works short time aft replacement - chopper tfmr faulty
14-09-04
Beko
2
03
0T
Rapid tuning drift
R61 27k 2w
14-09-04
Beko
2
03
20
Field collapse
Replace R734 (1k5), D704 (BA 157).
14-09-04
Beko
2
03
20
No B in txt
C501 10nF on main pcb o/c
14-09-04
Beko
2
03
20NX
Field scan non lin - stretched at top
220R resistor across scan coils
14-09-04
Beko
2
03
20NX
Line tearing at top of pic
220R resistor across scan coils o/c
14-09-04
Beko
2
03
20NX
No Tuning Menu
Reset micro - Press & Hold P+/P- on set & sw on. Set comes on in service mode - then sw off
14-09-04
Beko
2
03
20NX
Sound pops when vol adj
IC601 TDA6610-5
14-09-04
Beko
2
03
20T
Field collapse with rainbow effect
replace ESM740 thyristor - new type requires a 47 ohm resistor from gate to source.
14-09-04
Beko
3
03
20
Pic int fades out
Invisible dry joint on LOPTx pin (CRT Htrs)
14-09-04
Beko
3
03
28T
St/by only
No line - line dr tr T801 o/c
14-09-04
Beko
NR3
03
28
Dead 1.6A fuse shattered
Dead s/c on chopper caused by s/c chopper tfmr
14-09-04
Beko
NR3
03
281
Tripping - s/c across LOP
C807 (470pF 2kV) adj to lopt s/c.
14-09-04
Beon
CTV14
03
T
No start up
Check/replace R508/9 150k ?w, R107/8 270k ?w, D111 CNX82A opto and wire link from micro to opto coupler driver
14-09-04
BPL
FMR94
03
Field jitter & lines at bottom of pic
C455 2µ2 50v (pin 2 FOP chip)
14-09-04
BPL
LMR94
03
Field speed off
C232 3µ3 63v
14-09-04
BPL
LMR94
03
Lines at bottom
C455 2µ2 50v (pin 2 FOP chip)
14-09-04
BPL
LMR94
03
No sound
Q511 2SA1015Y & replace R520/521 120k 1/2w, C562 22µ 250v, R562 3R9 1/2w & IC7171 AN5265
14-09-04
BPL/Zenor
KLR94
03
Patt & no chan store
Earth on TXT panel o/c from main pcb - resolder
14-09-04
Bush
2
03
1 11AK19-5
Dead with no power led
HT only 60v - dis'd R823 to opto got HT up to 113v but with poor reg - C829 smoothing cap faulty
14-09-04
Bush
2720 11AK
03
Uncontrollable brightness & flyback lines.
R901 ( 220 ) on tube base o/c.
14-09-04
GEC
C2
03
6H PIL
No neons on touch-tune.
IC202 ( SN70769N )
14-09-04
GEC
C2290H 2
03
6 Hit
Dull raster may not have any colour.
IC ( TDA3561A ) decoder.
14-09-04
Goldstar
RC7
03
1
Critical AGC level adjustment cut off
C707 4.7mfd 50v
14-09-04
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