Partlow MIC 2000 - Figure A-2 Processor Board

PAGE 60
FIGURE A-2 - Processor Board
Revision L, M and M2
Revision J and below AND M3 and above
MICRO U1
EPROM U2
RAM U3
BATTERY
TOP
COMPONENT SIDE
JU2
JU1
JU1
T/C,mV,RTD,CAL2
VOLT
JU2
ENABLE MODE
UNLOCKED
ENABLE MODE
LOCKED
FRONT
OF UNIT
Y1
REV
Located on solder side
Note: Locked and unlocked
positions differ from Rev J and
below and M3 and above.
J12
J12
IF NO
OPTION
BOARD
MICRO U1
EPROM U2
RAM U3
BATTERY
TOP
COMPONENT SIDE
JU2
JU1
JU1
T/C,mV,RTD,CAL2
VOLT
JU2
ENABLE MODE
LOCKED
ENABLE MODE
UNLOCKED
FRONT
OF UNIT
Y1
REV
Located on solder side
J12
J12
IF NO
OPTION
BOARD
Rev. M2 and
above only