MANUAL. IC-F521 Datasheet

IC-F521 Datasheet PDF


Part

IC-F521

Description

VHF TRANSCEIVER SERVICE MANUAL

Manufacture

Icom

Page 30 Pages
Datasheet
Download IC-F521 Datasheet


IC-F521 Datasheet
SERVICE
MANUAL
VHF TRANSCEIVER
iF510
iF520
iF521

IC-F521 Datasheet
INTRODUCTION
This service manual describes the latest service information
for the IC-F510, IC-F520 and IC-F521 VHF TRANSCEIVERS
at the time of publication.
MODEL
IC-F510
IC-F520
IC-F521
VERSION
Europe
General
U.S.A.
U.S.A.
General
SYMBOL
EUR
GEN
USA
USA
GEN
To upgrade quality, any electrical or mechanical parts and
internal circuits are subject to change without notice or
obligation.
DANGER
NEVER connect the transceiver to an AC outlet or to a DC
power supply that uses more than 16 V. This will ruin the
transceiver.
DO NOT expose the transceiver to rain, snow or any liquids.
DO NOT reverse the polarities of the power supply when
connecting the transceiver.
DO NOT apply an RF signal of more than 20 dBm (100 mW)
to the antenna connector. This could damage the transceiv-
er’s front end.
ORDERING PARTS
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
<SAMPLE ORDER>
1110003490 S.IC TA31136FN
IC-F510 MAIN UNIT 5 pieces
8810009990 Screw PH BT M3×8 ZK IC-F520 Bottom cover 10 pieces
Addresses are provided on the inside back cover for your
convenience.
REPAIR NOTES
1. Make sure a problem is internal before disassembling the
transceiver.
2. DO NOT open the transceiver until the transceiver 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 insu-
lated tuning tool MUST be used for all adjustments.
5. DO NOT keep power ON for a long time when the trans-
ceiver is defective.
6. DO NOT transmit power into a signal generator or a
sweep generator.
7. ALWAYS connect a 50 dB to 60 dB attenuator between
the transceiver and a deviation meter or spectrum ana-
lyzer when using such test equipment.
8. READ the instructions of test equipment thoroughly
before connecting equipment to the transceiver.


Features Datasheet pdf SERVICE MANUAL VHF TRANSCEIVER iF510 iF5 20 iF521 INTRODUCTION This service ma nual describes the latest service infor mation for the IC-F510, IC-F520 and IC- F521 VHF TRANSCEIVERS at the time of pu blication. MODEL IC-F510 IC-F520 IC-F5 21 VERSION Europe General U.S.A. U.S.A . General SYMBOL EUR GEN USA USA GEN To upgrade quality, any electrical or m echanical parts and internal circuits a re subject to change without notice or obligation. DANGER NEVER connect the t ransceiver to an AC outlet or to a DC p ower supply that uses more than 16 V. T his will ruin the transceiver. DO NOT e xpose the transceiver to rain, snow or any liquids. DO NOT reverse the polarit ies of the power supply when connecting the transceiver. DO NOT apply an RF si gnal of more than 20 dBm (100 mW) to th e antenna connector. This could damage the transceiver’s front end. ORDERIN G PARTS Be sure to include the followi ng four points when ordering replacemen t parts: 1. 10-digit order numbers 2. Component part number and n.
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