LG 50PK950 Training Manual page 118

X BOARD (LEFT, RIGHT and CENTER) SECTION
X BOARD (LEFT, RIGHT and CENTER) SECTION
The following section gives detailed information about the X boa
The following section gives detailed information about the X boa
These boards deliver the Color information signal developed on t
These boards deliver the Color information signal developed on t
Control board to the TCPs, (Taped Carrier Packages). The TCPs ar
Control board to the TCPs, (Taped Carrier Packages). The TCPs ar
attached to the vertical FPCs, (Flexible Printed Circuits) which
attached to the vertical FPCs, (Flexible Printed Circuits) which
attached directly to the panel. The X boards are the attachment
attached directly to the panel. The X boards are the attachment
points for these FPCs.
points for these FPCs.
These boards have no adjustment.
These boards have no adjustment.
These boards receive their main B+ from the:
These boards receive their main B+ from the:
• Originally developed on the Switch Mode Power Supply
• Originally developed on the Switch Mode Power Supply
Va (Voltage for Address) is routed through the Y
Va (Voltage for Address) is routed through the Y
and then to the Left X board via P121 pins 1~4. Va also
and then to the Left X board via P121 pins 1~4. Va also
leaves P120 and is sent to the Center X via P220 pins 1~2.
leaves P120 and is sent to the Center X via P220 pins 1~2.
Then it leaves on P221 and goes to the Right X P320 pins 1~2.
Then it leaves on P221 and goes to the Right X P320 pins 1~2.
• Control board develops 3.3V (IC53) and routes to each X
• Control board develops 3.3V (IC53) and routes to each X
Board via ribbon connectors P110, P210 and P310.
Board via ribbon connectors P110, P210 and P310.
118 October 2010
are
are
- SUS board
- SUS board
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-
50PK950 Plasma
rds.
rds.
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