Tag Archives: Power Supply
Projection 50″ TV, Power Supply Problem?
afterburner asked: Tried to paste a circuit diagram into this problem, but no luck.
PROBLEM DESCRIPTION:
Believe the problem is in the power suppy.
Model: Hitachi CU 5002k 50″ 3 tube projection.
No picture, raster or sound.
I have no scope.
Have VTOM.
Output from the Sub Power Supply is, and should be, 122 VAC (Point AD).
Imput to the Power Deflection Circuit [...]
Posted in Discussion Also tagged Capacitor, Diodes, Fuse, Hitachi Projection, Power Suppy, Projection Tv, Scope, Tv Power, Tv Shop 1 Comment
no picture and audio on my TV?
Bernardo B asked: there is no picture and audio on my TV when i turn-on my TV, but there’s a sound thuk from the speaker when i plug-in the supply cord. i tried to open the back of the TV to check if the fuse is ok and it seems to be good. i [...]
Posted in Discussion Also tagged Dis, Fuse, Pins, Schematic Block Diagram, Tcl, Tv Circuit Diagram, Volts 3 Comments
I have a LCD32HDMI TV of whrfedala, not working?
Mahendra R asked: I Have a LCD32HDMI, it’s power supply is working fine but when i connect with main board 12v goes down to 1.2 v or low. what is the problem in main board.or you have the circuit diagram of this board 17MB15E-3 board
Circuit Diagram 15W EL84 Power Amp and a Transformer power supply Schematic