What other diode can i use 'cause i cant find the vd 205 gu .It is for an LG flatron crt tv.The other part i am battling to find is a transistor marked 5Q1 565RF.please help.

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Circuit diagrams of SMPS section of many popular brand devices are given. Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Hi
It seems you tv set has an overload in the output supply line which may be caused by a shorted rectifier diode or a shorted horizontal output transistor and associated circuit. The set should be serviced.

Sully

It sounds that the horizontal output transistor has damaged. Desolder the transistor out from the circuit board, and check by switch ON the TV, and see whether the power light at its front panel comes On or not. If it comes ON, make sure that the transistors said above is faulty, and should be replaced. If you wish to get more details about the schematic diagrams, and others, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up previous posts, either by type in the Brand name to your set in its search box, or view it in Mosaic / Timeslide / Flipcard option.

if this an standard crt type tv, the cause either the regulator transistor or horizontal output transistor has shorted pin junction.

• that is a problem of smps
• check the fuse inside the smps
• check the component which blows the fuse e.g.diodes transistor
• if faulty replace it

Replace the regulator of your tv and the horizontal output transistor before replacing the fuse

the tv is fault, there is a lekage to ground, cause 5 amps is avery high current. plse take your tv to a w/shop and have the following checked
i rectifier diodes
ii power transistor, driver transistors, diodes, zener diodes
iii fusable resistors near the power transistor
iv making sure that a 90-110volts is getting out of the power supply to a line transistor, near the line trasformer.
the problem will be over

This transistor is manufactured by Toshiba and is only available through Gateway.
Dan

It has a short circuit somewhere...
Not sure if this is a CRT, LCD or Plasma TV but the two common causes of shorts for CRT's are the Horizontal Output Transistor (HOT) and/or the Flyback Transformer (Could be both). As a general rule if the flyback has visible cracks in the case they should be replaced. It is also a good idea to replace the HOT if you're replacing the flyback as it could be weakened and may not last much longer itself.
Other areas to check for all types would be any Diodes in the Power Supply Circuit. If a diode is open it can cause the fuse to blow. Note that a diode itself will not short, but an open diode can cause a fuse to blow.

what problem monitor not display color