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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: 26
AmstradCTV3032NManual tuningpress 1 - press TV- press menu and hold it, the first menu is for sound keep the button pressed and the OVERVIEW menu appears then release and press menu again this will give you a tuning menu, select the preset number then- with the cursor keys move down to tune and when you get the station you want move down to store then press vol + the word stored appears and then press TV 14-09-04
AmstradWSTV3032Dead - BU2525 LOPTr s/cWhen replaced ran hot with smoke from D01 - EW driver chip STV2145 faulty14-09-04

AmstradWSTV3032NAccessing service modeEnter code 08914-09-04
AmstradWSTV3032NRemoving child lockpress in this order P+ P- V+ V- with the round central button on the hand set, then press o.k. this has to be done in a quick shot within 4 secs, then the lock will be cleared . 14-09-04
Beko30320Pic int fades outInvisible dry joint on LOPTx pin (CRT Htrs)14-09-04
Beko30328TSt/by onlyNo line - line dr tr T801 o/c14-09-04
BekoNR30328Dead 1.6A fuse shatteredDead s/c on chopper caused by s/c chopper tfmr14-09-04
BekoNR303281Tripping - s/c across LOPC807 (470pF 2kV) adj to lopt s/c.14-09-04
GrundigCUC5303No front or R/C controls aft couple of hoursIR Rx14-09-04
GrundigCUC5303PS. Transistor blown. Changed chopper tr, and TDA4605, But they were blown again. Occasionally the set before blowing the smps may run for a while.Check/Replace R632 270K Resistor.14-09-04
GrundigCUC7303Dead - PSU blownChopper tfmr, S2055 LOPTr & FOP chip14-09-04
GrundigCUC7303Dead apart from LED flashingSw mode trnfmr o/c winding between pins 5 & 7 (was able to repair)14-09-04
GrundigCUC7303Dead with mains fuse o/cDegauss positor14-09-04
GrundigCUC7303Led blinks at 1 Hz rate,no start-upChange D667 (BA 157) even if it reads ok!!.14-09-04
GrundigCUC7303off burning smellbad joints mains sw14-09-04
GrundigCUC7303St/by LED blinks (tripping)D667 BA157 -use BA159 in lieu, UC3842 supply rect (measured ok) also check 0R82 res in emitter, 2 x 1N4004 & res 220R & sm LS4148 diodes & HT control for o/c + chopper Tr & IC14-09-04
GrundigCUC7303Won't go fully into st/by - crt heaters stay lit etcPin 1 IC676 should drop to 1.2v in st/by - was staying at 10.7v. BC848 sm tr downstream from pin 1 was faulty though checked ok14-09-04
Matsui14V1T CUC7303Dead - Chopper FET s/cHT res cap 47µ 385v o/c14-09-04
Matsui20V1 CUC7303DeadReplace T665 (MJF18004), IC630 (UC3842AN), R661 (220R) & D663 (3.6V Zener).caused by dry joint C66914-09-04
Matsui20V1 CUC7303LED pulsingD667 BA157 - read ok out of cct14-09-04
Nordemende3038Dead apart from brief flash of st/by ledRP42 in psu o/c14-09-04
Philips14HT3303Service code of the FM-Radio tuner.In the partslist of the Radio-SP/LS-Vbatt panel of the Chassis Manual L9H.2E, the service code of the FM-Radio tuner item 1901 was not indicated. The service code is 9352 632 7011214-09-04

Philips20HT3303"welcome message" doesn't come up at start up.When the set is switched off via the mains switch and is switched on again after more than 5 minutes, the "welcome message" doesn't come up at start up. Put the set into the SDM mode. Select the option AS (Auto start-up). Change the option content fr14-09-04
Philips20HT3303Service code of the FM-Radio tuner.In the partslist of the Radio-SP/LS-Vbatt panel of the Chassis Manual L9H.2E, the service code of the FM-Radio tuner item 1901 was not indicated. The service code is 9352 632 7011214-09-04
PhilipsMD 2.21 AA 28PT7303After replacing LOPTx set starts up with brief EHT then reverts to st/byFET on same heatsink as BU2520 is S/C 14-09-04
Pye3030 NC3Picture - int.Dry-joint on R608 ( 18ohm )14-09-04
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