LG 42PJ350 Training Manual page 96

X BOARD (LEFT and RIGHT) SECTION
X BOARD (LEFT and RIGHT) SECTION
The following section gives detailed information about the X boards. These
boards deliver the Color information signal developed on the Control board
to the TCPs, (Taped Carrier Packages). The TCPs are attached to the vertical
FPCs, (Flexible Printed Circuits) which are attached directly to the panel.
The X boards are the attachment points for these FPCs.
These boards have no adjustment.
X-BOARD VOLTAGES:
• VA: Originally developed on the Switched Mode Power Supply
VA (Voltage for Address) is routed through the Y-SUS board, out on
P209 pins 4~9 to the Left X-Board via P233 pins 4~5. VA leaves the
Left X-Board P211 pins 4~5 and is sent to the Right X-Board via
P311 pins 4~5.
• 3.3V: Control board develops 3.3V (IC121) and routes to the Left X-
Board via ribbon connector P232 pins 9~11.
• 3.3V: Control board develops 3.3V (IC121) and routes to the Right
X-Board via ribbon connector P331 pins 42~44.
96 August 2010 42PJ350 Plasma