Main Logic Board Assembly - Honeywell PM42 Service & Repair Manual

TITLE
PM42 Service Repair Manual
has 3 torx screws securing the user interace PCB support bracket.
5. Reverse the procedure for re-installation. It is important to note the touch panel ribbon cable routing.

Main Logic Board Assembly

OPERATION:
Tools Required
Description
Torx Driver T20
Nut Driver 5mm or 3/16
Parts Required
Item Part Number
1 50124649-003FRE
2
3
Main Logic Board (MLB) Replacement
1. Remove 5 Torx screws that secure the MLB. For printer with installed option, there will be 4 Torx screws and a
Standoff.
2. Remove standoff for printer with installed options.
3. Disconnect all attached cablings and carefully remove MLB away from the power supply back plate.
4. Remove the grounding plate and hex standoffs from the defective MLB and install onto replacement MLB.
(Note: This procedure is necessary for initial built of spare MLB that did not include grounding plate and
Model
L3-GLBL-RPR-3872
PM42
(Rev A)
Description
FRE, PCBA, MLB(MAIN LOGIC BOARD)
Standardoff
DOCUMENT NO.
Page 38 of 48
MLB Grounding Plate & Hex Standoff
PAGE
Qty
1
1
Main Logic Board
standoff)
L3-GLBL-RPR-3872 (Rev A)