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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: 1771
Ferguson
TX9
Small picture & screeching.
C186 ( 9N1F ) leaky.
14-09-04
Ferguson
TX9
Sound - blares - brightness & colour varies.
DJ on standby transformer tags on U724 panel.
14-09-04
Ferguson
TX9
Sound - crackle on left hand side.
C1250 ( 330nf ) leaky.
14-09-04
Ferguson
TX9
Sound - interference from fluorescent light.
Change R970 to 82k & R942 to 27k.
14-09-04
Ferguson
TX9
Sound - low.
C111 s/c.
14-09-04
Ferguson
TX9
Sound - mute LED on - no channel display.
Print cracked on remote standby panel , DJ on IC2.
14-09-04
Ferguson
TX9
Sound - on vision effect.
C38 ( 0.22uf )
14-09-04
Ferguson
TX9
Sound - volume varies.
Pre-set vol control noisy on remote panel.
14-09-04
Ferguson
TX9
Sound - whistle h/pitched from left hand side
C104 ( 1uf ) missing.
14-09-04
Ferguson
TX9
St/by only
TDA4600 pin 9=12v ok, pin 4 = 8v (high 2v correct) TDA4600 faulty
14-09-04
Ferguson
TX9
Standby - if ch change is used - intermittent
IC SAA5000A.
14-09-04
Ferguson
TX9
Startup - with tripping - intermittent.
R173 ( 10k ) , IC57 ( TDA4600/2 )
14-09-04
Ferguson
TX9
Striation effect.
Change C915 from 0.1 to 10u f ( PC1548 )
14-09-04
Ferguson
TX9
Sync - line sync.
IC56 & IC54.
14-09-04
Ferguson
TX9
Sync - little or no sync with weak picture.
IC TDA2540 IF IC.
14-09-04
Ferguson
TX9
Teletext - drop out on one or more channels.
Check setting of L31 - recheck after 3 or 4 pages.
14-09-04
Ferguson
TX9
Tripping - with ticking - intermittent.
R173 ( 10k ) , IC57 ( TDA4600/2 )
14-09-04
Ferguson
TX9
Tuning - drift.
Change all diodes on station tuner PCB ( check ok ) TAA550
14-09-04
Ferguson
TX9
Tuning - drift.
Crack in earth new LOPTX heatsink.
14-09-04
Ferguson
TX9
Tuning drift & won't tune to low freq chans
R961 1M8 on remote panel o/c (tuning line)
14-09-04
Ferguson
TX9
Weak picture with little or no sync.
IC TDA2540 IF IC.
14-09-04
Ferguson
TX9
Width control gives only max or min.
R254 ( 150k ) o/c.
14-09-04
Ferguson
TX9
Width reduced.
Replace R251 ( 2.7R ) .
14-09-04
Ferguson
TX9
LACK OF HEIGHT-WIDTH
CHECK R186 ( 12K )
14-09-04
Ferguson
TX9
No line drive - HT present
Dry joints L103 invisible to the eye
14-09-04
Ferguson
TX9 Mk2
Sound no Picture - blank rast/fly back A 1 up
R147 ( 4.7k ) , W57 , WT57 ( BC337 )
14-09-04
Ferguson
TX90
Amstrad computer CPC464 - missing video.
Re-setting amplitude controls.
14-09-04
Ferguson
TX90
APC will not set up.
C159 ( 22nf ) leaky.
14-09-04
Ferguson
TX90
Band moving up the screen.
C189 ( 22uf , 50v )
14-09-04
Ferguson
TX90
Bands move upward and line tearing
C189 22µ 50v in boost reg cct
14-09-04
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