Toshiba 42H82 42" Rear Projection HDTV-Ready Television "psu repairs" Questions

Dead psu Dead power supply on 26" bush tv IDLC26tv05HD. no dc output from the unit yet the mains supply is going in The Main electrolytic is charhing to 300v +. Apply a new PSU, the question is is it ...

...it popped and went off and will not come back on Hi. When that happens you have usually blown the PSU. The power supply is the board connected to the power cord. If there had been a pop sound,

Wansa 24"a350 suply 12 volt o.k no led show but 5 volt ok no in st.by caps on the psu. youtube how to repair psu on a tv

...PSU Ps anyone know where to get:- schottky 120v 10a double diodes t220 case or similar? 2 Display Panel faults Vertical (source) faults are usually within the actual panel (Lines/Bands down Picture) ...

...problem? 4 Blinks means that an incorrect voltage had been detected on the +5V circuit coming from PSU to digital control board. The PSU must be tested and eventually repaired or

cord, see if it reset. Highland Electrix TV Repair Advice lo300v PagePower supply may be faulty The Psu are Just like any Psu using SMPS(chopper), so use normal PSU fault finding techniques Start with

...PCB that controls the DC line to the three boards supplying the CRTs. Testing will start from the PSU. At user level all you can do is disconnecting power cord for about twenty minutes, then ...

...off the TV and reconnect the devices. 7. Turn on the TV. Most LCD faults are of two types: 1 Dead (Psu faults) 2 Display Panel Faults Some have external power units, the ones with a 4pin plug are ...

...model number IE: R52WH74YX38 It will be located on the same tag as the serial number. Can the PSU not be repaired?? Or has it been destroyed?? My job was to repair these units, Not necessarily ...

...wide arc across the center of the screen Hi.It is probably a defective ballast board or a faulty PSU. The ballast is the high voltage power board connected to the lamp.The PSU is the board that ...