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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: 25
Contec
K
T51
45
Dead - fuse's ok.
Fuse ok - R504 ( 330k ) o/c.
14-09-04
Daewoo
T51
2
Poor greyscale tracking .
C504 sc
14-09-04
Ferguson
T51
73
Washed out pic like duff crt
RT43 68k on crt base hi Res
14-09-04
Ferguson
T51
F
Noisy pic
TH02 sm transistor
14-09-04
Ferguson
T51
F
RED "P" ON LEFT HAND SIDE OF SCREEN
PUT SET INTO STANDBY AND SWITCH OFF USING SWITCH THEN SWITCH BACK ON WHILE HOLDING VOL UP AND DOWN ON TV
14-09-04
Ferguson
TX91
T51
F
Flashing pic - like tuner
TH02 BC858C sm band sw Tr breaks down
14-09-04
Ferguson
TX91
T51
F
Int shut down
Dry joint pin 1 LOPTx
14-09-04
Ferguson
TX91
T51
F
Red "P" LH side screen
Too many buttons pressed on R/C - put in st/by then sw off. Sw back on holding Vol+ & Vol- buttons on TV
14-09-04
Ferguson
TX91
T51
F
Unable to access Set Up Menu
Tr01 BC848B sm - if Coll volts high sus Tr
14-09-04
Ferguson
TX91
T51
N
Int lines on pic
TH02, TH03, TH04 BC858 SM transistors faulty. Also changed TI31 as this is another known cause, but not in this case.
14-09-04
Ferguson
TX91
T51
N
St/by only
RP31, 0.22R fusible resistor in 22V U1 supply open circuit.
14-09-04
Goodmans
FS
T51
T/T
int sigs / patterning
dy joints tuner; adl L700 for patt
14-09-04
Goodmans
FS
T51
TT
White raster with fb lines
100mA fuse & 220R R115 190v supply to RGB chip IC100 o/c - replace chip and supply comps
14-09-04
Grundig
T51
-640 CUC6300
Lock removal
Vol + Vol - Prog- Prog + then i or pc
14-09-04
Grundig
T51
-720
rolling / snowy no field sync
Dry joints rf/if module
14-09-04
Hinari
HI
T51
St/by only
Earthing opto coupler D111brings set to life - opto faulty
14-09-04
Nokia
S
T51
A1
No sound
Check mute trs VA60 & 61 sm
14-09-04
Nokia
S
T51
D2
Dead - primary supplies start up then trip on/off
Sec supplies only half correct value. Diode V035 BA157 u/s
14-09-04
Nokia
S
T51
D2 Mono Plus
Negative looking pic - fault on Txt panel
R08 BC858 sm
14-09-04
Philips
L01.1 28P
T51
07
1cm noise band from top to bottom lH side of screen varies with brightness & chan
D6460 BY 228 over LOPTx
14-09-04
Thorn
C
T51
22
Low volume - in "Hotel" mode
to release: Select vol up or down on TV & whilst bargraph is displayed, press"-/--" key on handset
14-09-04
Thorn
C
T51
2T
Dead with chopper transistor shorted
Replace 2SD1555 chopper transistor, TDA 4601 and 4A fuse
14-09-04
Thorn
C
T51
2T
No pic - sound ok
I301 field chip TDA3653B & C308 100µ 35v o/c
14-09-04
Thorn
C
T51
41
Field collapse, no sound , lack of width
D252 9v1 zener s/c
14-09-04
Toshiba
C
T51
00
Patterning & slight hum bar
C807 120µ 400v
14-09-04
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