Racal Instruments 1994 Service Manual page 180

Universaltimer/counters
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START
NOTE:
XXXX REPRESENTS
SOFTWARE
VERSION
AND
ISSUE
NUMBER
CHECK
THATAODR
INOICATOR
IS
UT
WHEN
TALK
ONLY
SWITCH
IS
AT
1.
ANO
IS
OFF
WHEN
SWITCH
IS
AT 0
CHECK FOR
INOICATOR DRIVE
SIGNAL AT
IC9-35
SET GPI8 INTERFACE
AOORESS
TO
IS
CONNECT
GRIB
CONTROLLER
CONNECT
BUS
ANALYZER. SET TO
SINGLE STEP
CONNECT
INT
STO
OUT
TO INPUT
A
ENTER
AND RUN
10
OIM AS
(301
20
ENTER
715.
AS
30 OISP
AS
40
ENO
TRACE SIGNAL
FROM
IC9-9
TO INOICATOR
REPLACE
REPAIR
FAULTY
COMPONENT
FAULT
BETWEEN SW1
PIN
1
ANO
IC9-31
OR
WRONG
SOFTWARE
FITTED
OR
GPI8
PROGRAM
not
RUNNING
REFER TO DESCRIPTION
OF
GPIB
INTERFACE
IN
SECTION
5
6-16
Figure
6.2
- Fault Finding
Flowchart
-
GPIB
Part
1

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