Battery Board - Honeywell CN70 Series Service Work Instructions

TITLE
CN70 Service Work Instructions

Battery Board

OPERATION:
The Battery board hosts the pogo pin connection to the main battery, the reset switches, and the main unit backup
power supercap. The CN70A & CN70E use the same battery board part number.
Tools Required
Description
T10 Torx driver
T7 Torx driver
Parts Required
Item Part Number
1 224-856S-0300
2 800-569-001
3 655-490-001
Removal
1. Remove the bottom housing assembly (refer to Bottom Housing operation).
2. Using a T7 torx driver remove 4 screws that secure the battery board to the core assembly.
3. Gently lift the battery board straight off the magnesium frame unplugging it from its connector to the keyboard
PCB assembly.
NOTE: CN70A shown below. CN70E is similar.
Installation
1. Position the battery board assembly over the magnesium frame lining its connector up with the mating connector
on the keyboard PCB assembly.
2. Press down over the connector to seat the battery board into position on the magnesium frame.
3. Using a T7 torx driver install 4 screws and secure the battery board to the magnesium frame with 2.5+/-0.2 in-lbs
of torque.
4. Replace button Kapton seal as needed with version that has holes as shown below.
5. Re-install the bottom housing assembly.
3
Description
Battery Board Assembly
SCREW 2-56X3/16 FH TORX W/NYL CRES ROHS
Seal, reset button
Model
CN70A,CN70E
Part Number
Connection
to keyboard
PCB
assembly
2
DOCUMENT NO.
SWICN70-000 Page 16 of 45
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