Hello guys,

do u know what is the use of the :

BT-021 BATTERY (SECONDARY) that mount the BT9901 (Lithium battery) ?

Below is the skematic of the pc330. I payed 8 box for it.

http://www.mediafire.com/download.php?mwumwjt0iyn


My guess is that I blow up some component of one of the two circuit :

1) BT-021 BATTERY (SECONDARY) that mount the BT9901 (Lithium battery)

or

2) BJ-005 DC/USB/DV JACK


I was windering if someone of u knows what is the pourpose of that
BT-021 BATTERY (SECONDARY)

My sony does not turn on at all, like there is no energy passing through it.

Thank you