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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
TX90
Low brightness & no colour.
R171 ( 270k ) high.
14-09-04
Ferguson
TX90
Low contrast.
R231 ( 143k ) gone high.
14-09-04
Ferguson
TX90
Low RGB collector voltages.
LOPTX
14-09-04
Ferguson
TX90
Low sound at centre of control.
Quad coil adj L104.
14-09-04
Ferguson
TX90
Low sound.
C113 o/c , try adj L104.
14-09-04
Ferguson
TX90
Low video - contrast weak - no sound.
IC804.
14-09-04
Ferguson
TX90
low vol - turned down in menu
to access menu - sw on holding st/by on r/c for 4 secs then press violet pp button to select vol then adj with +/- buttons
14-09-04
Ferguson
TX90
Memory - looses its memory.
Change LOP TRFMR D115 & C190 on PC1140.
14-09-04
Ferguson
TX90
Memory - looses memory on channel 1.
TR917 fitted incorrectly.
14-09-04
Ferguson
TX90
Memory loss after about a week.
LOPTX ( T102 ) , D115 , C190.
14-09-04
Ferguson
TX90
Muted sound- no manual channel change.
C908n leaky.
14-09-04
Ferguson
TX90
No channel change - sound mute - intermittent
C908n leaky.
14-09-04
Ferguson
TX90
No col
C157, C159 22n o/c; D103 o/c or dry joints
14-09-04
Ferguson
TX90
No col
disable col kill (s/c R156) just faint purple hue - 4.33Mhz Xtal
14-09-04
Ferguson
TX90
No colour
C157 ( 22nf ) leaky on pin 18 of IC103.
14-09-04
Ferguson
TX90
No colour
D103 ( BAV20 ) connected to pins 19 &23 of decoder IC.
14-09-04
Ferguson
TX90
No colour
R171 ( 270k ) high.
14-09-04
Ferguson
TX90
No colour - intermittent.
Connect underboard link from L111 screen to IC103 pin 14
14-09-04
Ferguson
TX90
No colour - intermittent.
159 ( 22nf ) leaky.
14-09-04
Ferguson
TX90
No colour - intermittent.
Dry joint on C159 & or C157.
14-09-04
Ferguson
TX90
No contrast or brightness - faint colour.
R231 ( 143k )
14-09-04
Ferguson
TX90
No frame or line sync when warm.
C124 ( 2n7 ) leaky.
14-09-04
Ferguson
TX90
No frame sync or sound.
Core of L103 missing , R241 ( 33k ) o/c.
14-09-04
Ferguson
TX90
No frame sync or sound.
R241 ( 33k ) o/c.
14-09-04
Ferguson
TX90
No frame sync or sound.
T103 core missing.
14-09-04
Ferguson
TX90
No frame.
Drys on TR105 ( TIP112H )
14-09-04
Ferguson
TX90
No frame.
LOPTX
14-09-04
Ferguson
TX90
No Frame.
R198 ( 6.8k ) high.
14-09-04
Ferguson
TX90
NO GO 95v ON LINE OP TRANSISTOR
LINE OP TRANSISTOR O/C
14-09-04
Ferguson
TX90
No line / frame sync when warm - intermittent
C124 ( 2n7 ) leaky.
14-09-04
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