Hi
I had posted this earlier for a schematic and still have not been able to track this down..
So went to try to figure this out...
The set has a thumping and pulsating screen... Sooooo tried voltage measurements on the power supply and no shifting of voltages to account for the thumping and pulsating.
I started to disconnect modules .... I disconnected the inverter and still thumping.. Disconnected the panel connection and the thumping went away... reconnected the inverter and the back light came up.... no pulsating and no thumping from the speakers..
This set does not have a t control as such... The main board is a partial t control or am I wrong on that??
This set is a bear to work in as it almost has to be together.... I had to make some adaptations to be able to work it split apart, but do not have room to turn the main and power supply module over..
Thank you for your time!!
Bill
I had posted this earlier for a schematic and still have not been able to track this down..
So went to try to figure this out...
The set has a thumping and pulsating screen... Sooooo tried voltage measurements on the power supply and no shifting of voltages to account for the thumping and pulsating.
I started to disconnect modules .... I disconnected the inverter and still thumping.. Disconnected the panel connection and the thumping went away... reconnected the inverter and the back light came up.... no pulsating and no thumping from the speakers..
This set does not have a t control as such... The main board is a partial t control or am I wrong on that??
This set is a bear to work in as it almost has to be together.... I had to make some adaptations to be able to work it split apart, but do not have room to turn the main and power supply module over..
Thank you for your time!!
Bill
Attached Files