84
August 2009 Plasma 50PS80
CONTROL BOARD (LOGIC) SECTION
CONTROL BOARD (LOGIC) SECTION
The following section gives detailed information about the Contr
The following section gives detailed information about the Contr
ol board.
ol board.
The control board develops all
The control board develops all
“
“
Panel Drive Signals
Panel Drive Signals
”
”
. This signal is
. This signal is
developed from software stored in the board
developed from software stored in the board
’
’
s ROM.
s ROM.
This board has no adjustment.
This board has no adjustment.
The Auto Generator is located on this board which
The Auto Generator is located on this board which
(when pins 1 and 2 of P6 are jumped together) will product a pat
(when pins 1 and 2 of P6 are jumped together) will product a pat
tern on the
tern on the
screen for testing purposes. This can be done without the Main b
screen for testing purposes. This can be done without the Main b
oard
oard
delivering LVDS video to confirm if the problem lies with the Ma
delivering LVDS video to confirm if the problem lies with the Ma
in board or
in board or
the panel and its boards.
the panel and its boards.
The Control Board Receives its main B+ from the:
The Control Board Receives its main B+ from the:
•
•
5V from the Switched Mode Power Supply,
5V from the Switched Mode Power Supply,
(Pins 1 through 4 of P200).
(Pins 1 through 4 of P200).
•
•
The Control board does receive 15V from the Y
The Control board does receive 15V from the Y
-
-
SUS, but simply
SUS, but simply
passes this voltage on to the Z
passes this voltage on to the Z
-
-
SUS board.
SUS board.
•
•
Generates 3.3V and routes this voltage down to the two X Board
Generates 3.3V and routes this voltage down to the two X Board
s.
s.
