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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: 15
GECC2055Bright raster (esp on RH side) with striationsC719 4µ7 250v14-09-04
GrundigCUC2058DeadTDA4605, 270k 1/2w res & chopper FET IRFPC50 (used 2SK2078 in lieu) - all in PSU14-09-04

GrundigCUC2058Dead with blackened fusep. supply FET IRFPC50 was s/c due to 270k res in psu o/c, also replaced TDA4605-3 as a precaution14-09-04
GrundigCUC2058No soundBoth audio o/p IC`s TDA7265 & 2.5A wickman fuse o/c14-09-04
GrundigCUC2058No sound/pic - could be into/c print under small vert panel with 10 pins behind tuner14-09-04
GrundigCUC2058St/by onlyTripler - cheaper from CPC14-09-04
GrundigCUC2059Dead - chopper tr T60006 blown14-09-04
GrundigMW82-2700 CUC2058Dead - pri volts onlyR60002 (680K 1W) was O/C situated just behind the switch mode MOSFET on the primary side.14-09-04
Matsui28WV2N CUC2059DeadT60006 BUZ90 s/c, also replace R60001 62k 1w & R60007 270k 1w14-09-04
Matsui28WVDP CUC2059Dead - both mains fuses o/cT60006 chopper Tr BUZ90A s/c - caused by R60001 270k o/c14-09-04
Matsui32W2DP CUC2058low width, No E/W correctionReplace R55006 ( 4.7 ohm safety res, varies with CRT size ) resolder dry joints on T5500214-09-04
Matsui32WV2DP CUC2058St/by onlyfield ic TDA8350q and both feed res R54012 1R & R60011 33R14-09-04
Philips3LC2050 (LCD)No sound TV or radioR120 10R sm res14-09-04
Philips3LC2050 (LCD)No TV soundaudio in at pin 13 IC71 µPC1416G sm chip but nothing out at pin 14 - chip faulty14-09-04
SharpC2051Tuning driftQ104 2SC458A on sensor panel14-09-04
page: 1
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