Manual

1
Replacement Transmitter Antenna Assembly
Manual for the DX7 and DX7se
NOTICE
All instructions, warranties and other collateral documents are subject to change
at the sole discretion of Horizon Hobby, Inc. For up-to-date product literature, visit
http://www.horizonhobby.com and click on the support tab for this product.
WARNING: READ AND FOLLOW ALL INSTRUCTIONS
This manual contains instructions for safely replacing a transmitter antenna.
This replacement antenna is a key component in a sophisticated hobby
product. The instructions require basic technical knowledge and mechani-
cal skill. The replacement should not be attempted by children or beginner
hobbyists.
Do not attempt disassembly, use with incompatible components, or aug-
ment the product in any way, outside of these instructions. Failure to follow
each instruction and precaution could result in a break of signal transmis-
sion, which will ultimately lead to damage to the product, property and/or
personal injury.
Read ALL instructions. If after reading these instructions you are not
confi dent in your ability to replace the antenna and perform a range check,
send the antenna and transmitter, free of charge, to the appropriate Horizon
Service Center where this procedure can be performed by an authorized
service technician. Or contact a distributor in your country of service.
To obtain free repair service for your Replacement Transmitter Antenna Assembly,
visit the SPM6818 product page at www.horizonhobby.com for a prepaid shipping
form. You can also call Horizon Hobby Product Support.
Complete the prepaid return label request and send it in with your purchased antenna
and transmitter.
Note: If it is decided to submit the unit for antenna replacement, Horizon will pay
the costs of shipping and labor associated with the replacement of the antenna.
However the cost to repair any OTHER damage done to the product may be the
responsibility of the customer, to be determined at the sole discretion of Horizon
Hobby Inc.
CAUTION: Never turn the radio on when the antenna is not attached to
the module. Powering up the transmitter without the antenna attached can
damage the transmitter.
INTRODUCTION
The following instructions are for replacing the antenna in a DX7 or DX7se. Read
them completely before beginning to replace your antenna.
Items Needed:
• New antenna assembly (SPM6818) • Medium Phillips head screwdriver
STEP 1
With the transmitter power switch in the “off” position, open the
battery compartment. Remove the battery pack. Be careful not to damage the
connector.
STEP 2
Using a Phillips screwdriver, remove the 6 screws holding the transmitter case
together.
STEP 3
Carefully remove the back case half. Put it aside. Be careful not to damage the
wires.
STEP 4
Disconnect the antenna wire where it connects to the RF module. Carefully grasp
the wire near the connector and pull straight up while wiggling the wire. It should
disconnect easily.
SPM6818
WWW.SPEKTRUMRC.COM
Horizon Service Center 4105 Fieldstone Road
Champaign, IL 61822
USA
877-504-0233
Online Repair Request visit:
www.horizonhobby.com/repairs
Horizon Product
Support
(All other products)
4105 Fieldstone Rd
Champaign, Illinois
61822 USA
877-504-0233
[e-mail]
Horizon Hobby Limited Units 1-4 Ployters Rd
Staple Tye
Harlow, Essex
CM18 7NS
United Kingdom
[phone]
[e-mail]
Horizon Technischer
Service
Hamburger Str. 10
25335 Elmshorn
Germany
[phone]
[e-mail]
EN