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Repair 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

MakeModelProblemSolutionDate
Found: 1771
FergusonTX90(TDA8214)Picture distorted on top, incorrect linearity, horizontal line 5cm from top.Color Flickering.Check replace DL15,=33V zener. Check also DL0314-09-04
FergusonTX90AEDead - RL24 burnt out and CP27 scorchedreplaced and CL26 dry joints14-09-04

FergusonTX90E3 or more flyback lines at top or bottom of scanCheck RL10 for o/c DL01 o/c lines at top s/c lines at bottom14-09-04
FergusonTX90EAGC type fault blank raster when sig connected; snowy raster with no signalNot IF module but RH04 27k feed to 33v tuning supply14-09-04
FergusonTX90EChopper TX whistlingRP12 gone high ( 78K ) PtNo 2038100014-09-04
FergusonTX90EDeadDry joints CL26 360nF 250v line scan coupling cap had caused demise of RL24 2k2 0.7w, CP27, also check CL23 & 24 3µ3 160v14-09-04
FergusonTX90EDeadCP27(10nf),RP23(0.22.ohm),DL04(ba157),RL24(2.2k) all burnt - caused by dry joints CL2614-09-04
FergusonTX90EDead - fuse o/c & top missing from positorReplace 4 x mains rects, positor & fuse 14-09-04
FergusonTX90EDead HT high at 130v (104v)No LT at DP23 (23v); Pin 5 of LT winding not connected to chassis due to crack in print somewhere - hard wired 14-09-04
FergusonTX90EDead with burning smellBurnt print coll of LOP tr & CL22 9n1 1.6kv, RL24 2k2 burnt + dry joints14-09-04
FergusonTX90EDead with no LEDs lit& s/c across HT lineHT rect DP21 BYT13 800C222 s/c - used RGP30M in lieu14-09-04
FergusonTX90EFback linesRL10, JL15, IL0114-09-04
FergusonTX90EField collapseIL0114-09-04
FergusonTX90EField CollapseCheck RL41 (0.22R) or JL15. This is not shown on circuit diagram.Both can go O/C. Note that when RL41 is O/C appliance will come straight on from power up and will not go into standby using either the handset or the front control.14-09-04
FergusonTX90EField CollapseDL02 is defective (not shown in circuit but joins with a 10R resistor on the component side). Check RL41, CL10, RL0914-09-04
FergusonTX90EField CollapseCheck DL10 (1N4148).14-09-04
FergusonTX90EFront controls inop - r/c okAll 5 tactile sw o/c14-09-04
FergusonTX90EHandset not workingIR pcb conns flexed when using on/off sw resulting in int conns14-09-04
FergusonTX90EHotel mode switchingHold st/by on handset whilst sw on TV to gain access to hotel menu14-09-04
FergusonTX90EHum on sound in st/byChange CS02 to 10µ14-09-04
FergusonTX90EIncorrect line freqR225 - R22914-09-04
FergusonTX90EInt sigsIF Module14-09-04

FergusonTX90Eint stuck in st/by esp when warmIL01 TDA8214B (TDA8218 in orig cct)14-09-04
FergusonTX90ELine stage whistleIncorrect mounting of RL27 & DL or near LL04 Realign both with no physical contact14-09-04
FergusonTX90ELines on screen after field chip has been replacedCheck whether RL10 is O/C then DL01 (O/C if the lines are at the top, S/C if the lines are at the bottom).14-09-04
FergusonTX90Eloss of tuning voltsRH04 27k (in front of lopt)14-09-04
FergusonTX90ELow HTCheck R206; R207; R211 & R21214-09-04
FergusonTX90ENo B driveIV0114-09-04
FergusonTX90Eno o/p from TEA2261in psu - on dummy load bulbChopper Tfmr LP03 (WVE 20090DN) faulty - checked out ok14-09-04
FergusonTX90ENO SOUNDR509 1.8ohm FUSIBLE14-09-04
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