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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
FergusonTX805St/by only with faint tickingCombined PSU/LOP tfmr (Samsung FCV-1410E12) faulty - correctly route white wire from JV33 inside O core (PU feed to micro)14-09-04
FergusonTX805St/by only with pumping actionDP18 leaky14-09-04

FergusonTX805This set was dead apart from light from a red LEDThis comes from the red LED marked LED 1 input , LED2 output. It had gone high-resistance.14-09-04
FergusonTX805Ticking - orig had arcing from final anode115k res in psu hi res14-09-04
FergusonTX805Tuning drifts.CHECK 33v DHO4 ZTK33 NEAR MAIN MICRO IC.14-09-04
FergusonTX805WONT START , H.T.CHECK D18 AND ALSO THE PULSE FROM O.C. PRINT etc.14-09-04
FergusonTX805DeadDP54 1N414814-09-04
FergusonTX805Incorrect col & darkRT40 68k risen in value14-09-04
FergusonTX805offS2000AF s/c R41 68k o/c14-09-04
FergusonTX805 D14RBlank raster with fb lines - sound okRT40 68k on crt base14-09-04
FergusonTX805 D14RDead - D50 150v HT prot zener s/c, also blows LOP/Chopper Tr S2000AFCP90 0µ22 50v in chopper feedback cct14-09-04
FergusonTX805 D14RDead - may be intCheck 68k start up res & dry joints FOP chip IF0114-09-04
FergusonTX805 D14RDead - no st/by300v on LOPTr - RP41 68k 1/2w o/c also replaced RP42 68k 1/2w14-09-04
FergusonTX805 T14RBlank raster with redish screen when A1 advancedRT40 68k 1/2w on crt base14-09-04
FergusonTX805 T14RSt/by onlyDP50 150v zener - resolder link from Pin 5 to CP1714-09-04
FergusonTX805 T14RTripping slowlyLOPTx14-09-04
FergusonTX805 T14TDark pic - A1s okRT40 68k 1/2w bias res for RGB hi res14-09-04
FergusonTX807DeadDP27 24v zener14-09-04
FergusonTX807Faint vert line on lh side of pics - causes other sets in vicinity to display same symptomcapacitor CL01 10nF had never been soldered at one end.14-09-04
FergusonTX807Low sound (Stuck in Hotel Mode)1 Turn set to standby using remote. 2 Turn off with set's AC switch & wait till the red standby light has faded away to nothing. 3 While holding the magenta Text button on TV turn on AC switch. 4 A service menu should now be on screen. Press Magenta button again several times till hotel mode appears. 5 Using arrow keys on remote navigate down to the volume setting & increase graphic slider with the arrow right button to max setting (Mine was set to min). Navigate up to Hotel ON & change to OFF. 6 Press OK 7 Press Exit.14-09-04
FergusonTX807No CRT heatersgrey lead from main pcb to tube base dry jointed14-09-04
FergusonTX807No signals/tuningRL51 1R8 o/c in 6v supply from lopt14-09-04

FergusonTX807No soundEEPROM possible fault - obtain from CHS14-09-04
FergusonTX807Poor start upDP57 6v8 zener14-09-04
FergusonTX807Reduced heightEEPROM possible fault - obtain from CHS14-09-04
FergusonTX807St/by onlyDP12 / DP36 s/c BA157 - beware of charged up smoother!14-09-04
FergusonTX807To access serv mode1 sw on tv, 2 put in st/by with R/C, 3 sw off, 4 Sw on holding magenta r/c key, 5 When pic appears press magenta button again & follow onscreen directions - values stored automatically14-09-04
FergusonTX807To run with lop stage dis'dDis pin 1 loptx & s/c base TP52 to chassis. Cvonnect lamp to DP80 ; HT = 105v14-09-04
FergusonTX807Trips - LED alternates Red/greenCheck pin 50 IC IV01 TDA8842 - should be <3.85v, if not goes into prot mode14-09-04
FergusonTX807Weak dist soundCI04 10n sm cap faulty in series with sound det LI0214-09-04
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