Intermec CK71 Series - Main Logic Board

TITLE
Model
DOCUMENT NO.
PAGE
CK71 Service Work Instructions
CK71A
SWICK71-000
Page 37 of 42
OPERATION:
Main Logic Board
Different main logic boards have been used to produce CK71’s since it was introduced. Be sure to replace a
main logic board with one from the same 234-xxx-xxxx series as already installed in the unit being repaired. See
table below:
Main Logic Board
Used in Configurations
234-062-xxxx
CK71AA2xxxxxxxxx
CK71AB2xxxxxxxxx
234-164-xxxx
CK71AA4xxxxxxxxx
CK71AB4xxxxxxxxx
234-282-xxxx
CK71AA6xxxxxxxxx
CK71AB6xxxxxxxxx
Tools Required
Description
Part Number
T10 Torx driver
T7 Torx driver
Phillips screwdriver with #0 tip
Parts Required
Item
Part Number
Description
Qty
1
234-062S-1000
MLB, 802.11 ABGN Nexgen CN70 CK7x (use for 600MHZ configurations)
1
1
234-164S-1000
MLB,1GHZ Wodsp CN70 CK7x (use for original 1GHZ configurations)
1
1
234-282S-0100
MLB,Refresh Assy CN70 CK7X (use for refresh program 1GHz configurations)
1
2
655-199-001
screw,2-56,torx drive,wafer head,custom
4
3
643-138-001
CABLE GUIDE, COZ C
1
4
655-232-001
Insulator
1
option
655-224-001
GROUND PLATE, SCAN ENGINE, EX25
1
option
715-588-001
GROUND PLATE ASSY, EA30/EV12
1
option
715-588-002
Ground plate assy, N5603, PASION
1
5
800-566-001
Custom Screw, #2-56x3.4mm Wafer Hd, RoHS
2
Removal
1. Remove the bottom housing assembly (refer to Bottom Housing operation).
2. Remove the core assembly from the top housing (refer to Core Assembly operation).
3. Remove the scan bracket assembly (refer to scan bracket assembly operation).
4. Remove the display assembly (refer to LCD Display & Touch Panel operation).
5. Disconnect the WLAN antenna coax cable from J4 on the main logic board.
6. Using a T7 torx driver remove four screws that attach the main logic board to the magnesium frame.