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P42/47LSA+/LSB
Block Diagram
Power Supply
5V: not used
18V: Main process
24V: Lamp ballast
Lamp Power
CN1 has 2 more
wires, this is Master
and all the others
CN2 are slave
connections. Do not
mix CN1 and CN2.
RS232C
Baud rate is set to
9600 baud.
RJ45 link is to
connect between the
same monitors in
series, an external
control signal to this
RJ45 may not work
properly.
When servicing, be
sure to touch a metal
chassis to discharge
static electric before
touching to any
circuit board.
This may prevent or
reduce the risk to
damage components
or electronic parts.
It is highly
recommended to use
static free strap and
table to service.
Trouble shooting
P42LSA+ / P47LSA+
42
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