Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
Sony KV2020
No SoundReplace sound i.c TBA120U
Sanyo VHR-796E
DeadPR512 in the PSU was o/c
Philips 25PT512A-05 GR2.2
Dead set HT 140V okReplace standby Thermistor THY6670
Thomson 24WK24U ICC17
Set is tripping with flashing from the red standby lightShort the collector of TL71 to earth, if the set comes on you will find the frame chip is blown and ZL11 cp is o/c. If the set still wont come on them the LOPT is suspect
Toshiba V730UK
No display, red LED flashingReplace C1SS35 1000uF, 10V
Watson FA 5129 11AK19B-1
NÃO DÁ VIDEOQUERO O PROGRAMAÇÃO DO INTEGRADO DE MEMORIA DO 24CO8
Sony FE-1
No picture or dark pictureCheck R516 56Kohms, 0.5w or R517 27Kohms, 0.25w for high resistance or o/c
Philips L9.2E
Fuse 1572 blownDisconnect pin 44 on IC7600, if the fuse stops blowing suspect processor IC7600. It is really expensive, at least in Sweden !
Samsung CB7230WT
Vertical output problems, Vertical output ic fails repeatedly !Fit a new IC, clean old heatsink compound, add fresh compound thinly on the surface. Now disregard all the other modifications previously suggested and ADD a large heat sink on the existing heatsink screw another one on top
Sharp 54DT25S
Frame foldoverCheck C713, Q510 and Q505
Sony FE-1
Excessive widthThis was due to Q532 2SK2251-01 being s/c, it is advisable to also check other EW circuit components as a precaution
Sharp 54DT25S
Dead with ticking noise from lineReplaced C622, C604 and Q509
Hitachi C2119E Issue9
No sound control, procedure to exit factory preset modeHold 'VOL+ and 'VOL- buttons whilst switching on
Grundig P55449 CUC4401
Dead but comes on when warmReplace C633 100uF in the p.s.u
Akura CX35 Nicam
Vertical height oversizeThe eprom was found to be faulty nvm
Panasonic P03RMK2 VJDO3D40
Int capstan motor stops respondingChanged the IC No. BA6871S
Hitachi C2546TN
Prodedure to remove `C46TN` from screenPress the 2 VCR buttons together, the menu will appear, then switch to standby mode, turn appliance back on and prompt should have disappeared. When tv is turned on it will ask you to search for a channel, select this and then cancel
Thomson TX91
PLL will not lock for all frequencies keeps running during program search, on screen display moving / unstableChanged the tuner and the STV8224 also check transistor at location TV02 is ok
Loewe opta Profile E3000
White vertical line only displayed on tubeCheck for dry joint or burnt track on Horizontal Yoke PCB socket or main board
Panasonic 21LIT
Dead set, only red LED is onReplace IC AN5606k