Memory Chip Replacement - DKS 1802 Installation & Owner's Manual

1.4 Memory Chip Replacement

The 1802 is shipped with the memory chip already installed in the unit.
follow the instructions below.
DO NOT
install the memory chip with power to the telephone entry system turned ON. Attempting to install the memory
chip with power on will irrevocably damage the chip. Memory chip is a static sensitive component. Discharge any static
electricity from your hands by touching a proper ground device before touching the control board. Handle the memory chip with
care, the pins bend easily.
DO NOT
install the memory chip UPSIDE DOWN. this will cause permanent damage to the chip. Be sure that the memory
chip is seated correctly in the socket.
Discharge any static electricity from your hands by touching a proper ground device before installing chip!
1862-010 Circuit Board Memory Chip Location
CONTRAST
ON
MASTER
CODE
OFF
3 2 1
MIC VOL
RING
PHONE
1802-065-D-10-14
Power MUST be OFF to the Circuit Board!!
DOORKING 1862-010
CLCK
SENSE
KEYPAD
FEEDBACK
3 2 1
SPK
3 2 1
VOL
TONE
ON
HF
TONE
HS
OFF
NO NC
CGND PSW MICG MIC SPKR COM BAT
CAUTION
C
C NC NO 16AC 16AC
However, if you need to replace the chip,
Dimple MUST be at
the top of the chip!
R e
l e a
s e
L o
c k e
d
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