Components and Functions (Theory)
5-4 LOGIQ V3/V5/V5 Expert – Basic Service Manual
5726264-100 English Rev.8
5-2-1-2 Introduction
WMST PWA is a main board, it provides the main control
function, 64 channels transmitting/receiving and related signal
processing, and it connects to CWD board.
SMIO PWA receives all interface signals (such as SATA, USB,
DDI, Ethernet etc) from WMST board and make necessary
processing. And then, SMIO provide interface to user (Example:
USB, HDMI, VGA, TV-out, Ethernet.) It also interfaces with
SDKG board to provide Keyboard (KBD), LCD, Speaker and
HDD connection.
SDKG PWA is backplane board; it has a backplane connector
which interfaces with SMIO board, and provides connection with
HDD, LCD, Keyboard (KBD) board, Speaker, and USB & Power
to DC printer.
PIB (Probe Interface board) PWA is a probe interface board. It
can support 3 probe ports. It switches elements signals, probe
control signals to the selected probe.
WPWR PWA is a DC-DC power board. It gets DC power from
ACDC and provides all voltage needed to WMST board and
SMIO board.
SFAN PWA is a system FAN interface board, it provides power
and control to system FAN (quantity is 4 internal the box).
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