LFE 2000 Series - Page 6

SECTION
9
_
SERVICE
&
REPAIR-_--_--
9.1
CHANGING/ADDING
COMPONENTS-_---_--
g.2
EPROM
REPLACEMENT-------
9.3
MEMORY
CLEAR
PROCEDT]RE
g.4
MICROPROCESSOR
REPLACEMENT-------
9.5
BATTERY
REPLACEMENT---_---
g.6
KEYPAD
REPLACEMENT-------
g.7
VACUUM
DISPLAY
REPLACEMENT--_---_
g.ESYSTEMBI,OCKDIAGRAM_SERIES2OOOCONTROLLERS
SECTION
IO
-
TROUBI-ESHOOTING
GUIDE-
10.1
GENEMI,-_
10.2
TYPES
0F
FArLtlRE--------
10.3
ERROR
MESSAGES-
10.4
POWER
SUPPI,Y
VOLTAGES-
10.5
WAVEFORM
REFERENCE
10.5 .
I
RAM
FAIT,URE
DISPLAY_-
10.5.2
POWER
FAILURE
OR
RTC
FAILURE
DISPLAY__
10.5.3
DATA
I,OST
-
PLEASE
CAL
DISPLAY-_-----
10.5.4
DISPLAY
IS
ERRATIC_---_-_-
10.5.5
DISPT,AY
S'fABt,E,
BUT
I{RONG----
10.6
Ii
O BOARD
WAVEFORMS
IO.6.I
ANAT,OG
OTJTPUT
1/ANALOG
OUTPUT
2
WITH
4I2O
mA
OUTPUT
10.6.2
SOLID
STATE
REL,AY
OUTPUT
2
CIRCUIT
IO.7
MOTHER
BOARD
WAVEFORMS
IO.8
KEYPAD
CIRCUIT--
IO.9
COMMUNICATION
TROUBLESHOOTING--_-_--
IO.1O
NOISE
STIPPRESSION_-_---
SECTION
1I
-
CHECK
LIST_--
SECTION
12
_
SCHEMATICS,
LAYOUTS
AND
PARTS
LISTS_---
SCHEMATIC
_
CPU
BOARD-_-_
CPU
BOARD
OUTI,INE
-
EARI,Y
VERSION-_
CPU
BOARD
OUTLINE
-
LATER
VERSION--
CPI]
BOARD
COMPONE,NT
L,AYOUT
-
EARLY
VERSION--
CPU
BOARD
COMPONENT
LAYOUT
-
LATER
VERSION--
CPU
BOARD
_
COMPONENT
SIDE
SOLDER
BRIDGING
_
EARLY
VERSION_-
CPU
BOARD
-
T]OMPONENT
SIDE
SOI-DERBRIDGING
_
LATER
VERSION--
CPU
BOARD
-
SOLDER
SIDE
STJLDER
BRIDGING
-
EARLY
VERSION-_
CPU
BOARD
-
SOLDER
SIDE
SOLDER
BRIDGING
-
LATER
VERSION--
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102
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lr2
r72
t2-r
10 0
1 2-3
t2-4
l2-5
t2-6
12-7
I
2-8
12-9
958-31
REV.
B
F I
GURE
9-1
LFE
Instruments
Divisron