PF43hd6 no standby

[sordids999]

Hi
This is a tv monitor which has no standby
Fuses look also good so I need a bit of help please
Voltages
Con5
Gnd
Gnd
+5v =5.0v
+5v =5.0v
Ps/on =4.1v
+5vsb = 5.0v
+5v =5.0v
+5v =5.0v
Gnd
Gnd
Gnd
+12v =13.3v
+12v =13.3v

Con3
+12v =13.3v
+12v =13.3v
On/off =0.00v
Adj=5.0v

Led backlight voltage

+76.1v -0.00
+76.1v -0.00

Main cap is 323v

Thanks

[dskall]

Re: PF43hd6 no standby

No standby or no backlights?

[sordids999]

Re: PF43hd6 no standby

Sorry no standby light or backlights
TV just seems totally dead

[sordids999]

Re: PF43hd6 no standby

If I jump ps/on and 5v I get voltages
+12v go to 11.8v
Ps/on goes to 4.8v

[dskall]

Re: PF43hd6 no standby

So mainboard not sending signal to turn on.

[sordids999]

Re: PF43hd6 no standby

Ok thanks I cant find a replacement mainboard anywhere

[dskall]

Re: PF43hd6 no standby

Have you checked mainboard voltages? Try heating up your processor to see if TV will turn on?