Panasonic8

PLASMA TVs [FAULT FINDING AND REPAIR -2]

PLASMA TV REPAIR -2




POWER SUPPLY REGULATOR BOARD FAULTS.




Main symptoms are:

• Flashing Pixels on the screen.


• Turn ON, but no Video & Sound.


• No Power.


• No power light on front panel.


• Hard to turn ON.


• Turn ON after a long period of time. Sometimes takes 30 minutes or so.


• Turn ON, but turns OFF automatically.

These faults are related to the Main Power Regulator board.

     See the picture of power supply regulator board to Pioneer Plasma TV. The type may differ model to model.

     Usually, power regulator board can be located at the center portion of the panel.  See its location.

     Here you can locate it at the center part of the plasma panel.
 Power supply boards are very difficult to repair, because, most of the
components used will be very difficult to get from open electronic spare
part market.  Sometimes, the cost of component and service charge may
go up to a new once's cost.  It will be best to replace it as card
basis.  It might cost between $40 to $60.  Can bought either electronics
spare part shops, locally, or from the authorised service center for
the TV.