Schematics 4 Free
Service manuals, schematics, documentation, programs, electronics, hobby ....
◦
register
◦
send pass
S
earch
B
rowse
U
pload
W
anted
D
atasheets
C
hassis2model
R
epair tips
F
ulltext search
C
ables & Connectors
R
epair tips
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
Picture starts 2 columes to left on Sinclair.
Fit MA15 width reducer kit ( SP5611 ) to TV.
14-09-04
Ferguson
TX90
POOR FIELD LIN
D137 68v ZENER
14-09-04
Ferguson
TX90
Raster - blank - no sound - slight patterning
C121 ( 10nf ) s/c.
14-09-04
Ferguson
TX90
Raster - blank with A1 up high - no picture.
R171 ( 270k )
14-09-04
Ferguson
TX90
Reduced height - no picture or sound fuse o/c
R144 , IC102 ( TDA4500 )
14-09-04
Ferguson
TX90
RIPPLE EFFECT ON ALL VERTICAL CONTENTS OF PIC
C189 22mfd , 50v
14-09-04
Ferguson
TX90
Ripple effect on picture.
C125 ( 68nf )
14-09-04
Ferguson
TX90
ripple on pic & squeal on sound
boost res cap C189 22µ 50v
14-09-04
Ferguson
TX90
Ripple on verticals - mainly at top.
C189 o/c.
14-09-04
Ferguson
TX90
Severe foldover in the middle with text lines all over it.
R203 ( 33R ) O/C , TDA4500 ( IC102 )
14-09-04
Ferguson
TX90
Skipping programme numbers.
Change C908 to 0.1u f.
14-09-04
Ferguson
TX90
Slight crackle on sound.
IC105 12v stabalizer.
14-09-04
Ferguson
TX90
Slightly undersized pic
TR107 ( BYD839 ) o/c
14-09-04
Ferguson
TX90
Snowy picture - channels 1-8 not storing.
IC902 ( M293B1 )
14-09-04
Ferguson
TX90
Sound - goes up then fades as V/C is turned.
Quad coil L104.
14-09-04
Ferguson
TX90
Sound increases then fades as vol is advanced
L104.
14-09-04
Ferguson
TX90
Sound muted - intermittent up/down operation.
C908 ( 10nf ) leaky.
14-09-04
Ferguson
TX90
Sound on vision.
C166 ( 100nf ) DJ.
14-09-04
Ferguson
TX90
sound, no pic
boost HT low C191 22µ 160v
14-09-04
Ferguson
TX90
Spooks - white lines 3 inch in from left.
T103.
14-09-04
Ferguson
TX90
Standby - will not go into standby.
C179 ( 100nf ) or C180 ( 100nf ) o/c.
14-09-04
Ferguson
TX90
Standby - will not go into standby.
MOD phone ferguson.
14-09-04
Ferguson
TX90
Standby - will not go into standby.
Check if D22 1N4001 fitted series with R6 on converter.
14-09-04
Ferguson
TX90
Standby - will not switch to standby.
C179 or C180 on main board o/c.
14-09-04
Ferguson
TX90
Stuck in standby.
TP10 S2000AF SC + DPO8 SC
14-09-04
Ferguson
TX90
Sync - no line sync - height excessive.
D137 ( 68v ) zener leaky.
14-09-04
Ferguson
TX90
Sync - no volts on IC102 pin 28.
R236 or R241 o/c , C125 ( 68nf ) o/c.
14-09-04
Ferguson
TX90
Sync & sound if brightness control is used
T103.
14-09-04
Ferguson
TX90
Sync no frame if brightness or contrast used
L103 o/c.
14-09-04
Ferguson
TX90
Teletext - interference on ITV & CH4 only.
D102 ( BZX83C4v7 ) s/c.
14-09-04
page:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : Carl Zeiss Planar, Tessar, Sonnar, Distagon
script execution: 0.14 s