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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

MakeModelProblemSolutionAddedDate
 
Found: 4551
Philips2BSometimes no sound, no picture (Voltage +140 V switches off)Check soldering points of SOPS-transformer (T5663) and line-transformer (T5620) plamensl14-09-2004
Philips2BSometimes no sound, no picture (Voltage pin 5, 7 IC 7220 present)Check IC 7220 (TDA 1521Q/N2; 4822 209 73311) and loudspeaker(s). Also check soldering points of SOPS-transformer (T5663). plamensl14-09-2004
Philips2BSt/by only - EHT rustles up at sw onDis'ing scan coils allows psu to work. Removing EEPROM X2402P allows tv to work without sound/pic or front display. Fit 24OC2 & reprog NICAM settingsplamensl14-09-2004
Philips2BStuck in standby.D6729 leaky feeds sound mute in s/by mode will work without it.plamensl14-09-2004
Philips2BStuck in standby.IC X2402.plamensl14-09-2004
Philips2BSTUCK IN STBY IF THYRISTOR 6727 REMOVED SET OPERATD6729 SCplamensl14-09-2004
Philips2BSTUCK IN STBY REMOVE D6734 TO DISABLE STBY COMMANDAFTER REPLACING EEPROM SET WILL NEED SETTING WITH DEFAULT INFO ( 26 FOR NICAM 18 NON NICAM )plamensl14-09-2004
Philips2BTop half of picture missingAs the set warmed up the blank area would slowly shrink until it disappeared completely. The sandcastle pulse was checked at pin 10 of the TDA4580 and the pulse width of the frame blanking pulse was foundplamensl14-09-2004
Philips2BUnacceptable long heating time of older picture tubes.Add a diode 1N4148 (4822 130 30621) in serial with diode 6492. This will not effect the lifetime of the picture tube or the set. It prevents that the video controller mutes the picture untill the 3 guns are within the same range of emission. plamensl14-09-2004
Philips2B 28CT8890/79RWhite screen with normal soundC2638 4µ7 350v in RGB o/p supplyplamensl14-09-2004
Philips31DV3Change of threaded in time after rewindAfter rewind to tape begin, the above VCRs go to the threaded in position. If no function is requested, after 6 minutes the VCR dethreads to the stop position where it stays for 2 minutes before returning to standby. From week 41 the waiting time at thplamensl14-09-2004
Philips31DV3Intermittent loss of picture and sound, teletext also affectedCheck EPROM on the teletext PCB. Check IC 7751 (KSTX1), might be faulty when warm.plamensl14-09-2004
Philips31DV3Not recording SoundThe cause of this fault was traced to 3230, the resistor had gone high. The resistor had changed from 2k7 to 4k3.plamensl14-09-2004
Philips32 PW 9503/12Problems with a Philips 32 PW 9503/12, chassie MD 2.22 Shortcircuit in HV-transistor BU2520D, short in 2418 (85 ohms). 220pF Have replaced both of them, tv started up for 1 sec with highvoltage then to stby. Red standbylight on front is blinking rapialso replace fet 7470 = IRF620FI Anonymous18-08-2005
Philips320 MonoNo picture.C2207 , T2828.plamensl14-09-2004
Philips32PW6005Set inoperative and PTC defective.Check and replace if necessary position 3912 on the large signal panel by 4822 116 10105 IRIS CODE : M11Xplamensl14-09-2004
Philips32PW6005/05 SA10ESt/by onlyResolder SMD TDA8885, it is located on the sub-board next to the tuner.(Runs very hot)plamensl14-09-2004
Philips32PW6332No soundEnter service mode & check option NI (Nicam) - should be "Y" (yes) next to itplamensl14-09-2004
Philips32PW6332Service mode adjustmentsShort pins S42 & S43 on signals board (upright board on L). Now have various options availableplamensl14-09-2004
Philips32pw6515hi my philips tv (32pw6515) is now stuck in standby (red led on) and no responce from either the on-board controls or remote? the fault on your philips tv is probably ic7064. also known as the painter ic, on the small signal board, this ic seems to be responsible for over 90% of faults on this chassis. it is a 100 pin surface mount device. i would not recommend trying to replace it unless you have a good amount of experience at soldering very small devices as it is not much bigger than a stamp, you will also need to reprogramme the eeprom ic with the options and geometry settings after replacement, i have done more than 30 and it takes me upto 2 hoursAnonymous31-10-2005
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