Metrologic MS2020 Stratos, Service Manual

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©2004 Metrologic Instruments, Inc. All rights reserved MS2020 Stratos Service Manual
SERVICING AND MAINTENANCE PROCEDURES
MOTHERBOARD: REMOVAL AND INSTALLATION
Motherboard Removal:
1. Gain access to motherboard area.
(Refer to Vertical Hood Removal
Instructions located on page 29 of this
manual.)
2. Disconnect all cables and plugs from
motherboard, including wire braided
grounding strap. Removing the
grounding strap will remove on the pan
head screws securing the board to the
chassis. Remove the remaining two pan
head screws and set aside.
3. Carefully remove motherboard and
place in protective storage such as an
ESD safe bag or ESD safe protect foam.
Motherboard Installation:
1. Carefully place new motherboard over
mounting screw sockets and keep
aligned with motherboard screw holes.
2. Insert pan head screws through
motherboard screw holes.
3. Insert pan head screw through wire
grounding strap, then through the
motherboard hole and secure in
mounting screw socket.
4. Attach all connectors to the
motherboard according to the cabling
chart
Table 1 – MOTHERBOARD CONNECTIONS
Motherboard Connection Remote Board Connection
J1 SPEAKER
J4 J5 – POWER CONN PCB
J5 J4 – INTERFACE CONN PCB
J6 J2 – VERTICAL ENGINE
J2
J8
INTERFACE DAUGHTER
BOARD (OPTIONAL)
J9 J1 – IR CHANNEL 1
J10 J1 – IR CHANNEL 2
J11 J1 – HORIZONTAL ENGINE
J12 J2 – LED/BUTTON PCB
J13 J3 – LED/BUTTON PCB