INTRODUCTION
DANGER
This service manual describes the
latest service information for
the IOR8500
COMMUNICATIONS RECEIVER at the time of
pubiication.
VERSION NO. VERSION
SYMBOL
#02 U.S.A.
USA
#03
Europe EUR
#05
France
FRA
To upgrade
quality, any electrical or
mechanical parts and
internal circuits
are subject to change
without notice or
obligation.
NEVER
connect the receiver to an AC outlet
or
to a DC
power
supply that uses more than 16 V.
This will
ruin the
receiver.
DO NOT expose the receiver
to
rain, snow or any liquids.
DO
NOT reverse the polarities of the power supply when
connecting the receiver.
DO
NOT apply an RF signal of more than 20 dBm
(100
mW)
to
the antenna connector. This could damage the receiver’s front
end.
ORDERING PARTS REPAIR
NOTES
Be sure to
include
the
following four points
when
ordering
replacement parts:
1
.
10-digit order numbers
2. Component part number and name
3. Equipment
model
name
and
unit
name
4. Quantity required
cSAMPLE ORDER>
1130007700
S.iC
BU4094BCF
IC-R8500
PLL UNIT 5[>ieces
8810009030 Screw
OHM3x8ZK IC-R8500 Topcover
lOpieces
Addresses are provided on the inside back
cover for
your
convenience.
1
.
Make sure
a
problem
is
internal before disassembling
the
receiver.
2. DO NOT open the receiver until the receiver
is
disconnected from its power source.
3. DO NOT force any of the variable components. Turn them
slowly and smoothly.
4. DO NOT
short any circuits or electronic parts. An insulated
tuning tool MUST be
used
for
all adjustments.
5.
DO
NOT keep
power
ON
for
a
long
time
when
the
receiver
is defective.
6. READ the instructions
of test equipment
thoroughly
before
connecting equipment
to
the receiver.
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