Heathkit HD-1234 User Manual
HEATHCOMPANYPHONEDIRECTORY
The
foilomna telephone
Kit
orders
and
Cle4n
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Replacemem
TBChhicd
Assistance
RC,
Aud'b,
hateur
Radio
Test Equipment.
CIOC~,
Weather
Television
Aubmme,
SBardty.
&nerd
numbers
are
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inlormation
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and
E&onic
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Mame.
Wliances,
Prduck..
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hgans .................
Lighfs,
Cdcuiatoro,
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the
depanmem lirted:
(616) 982541 1
(616) 8823661
(616) 982.3~1
(616) 982.3310
(616) 882-3286
(616) 982.3315
(616) 982-3307
(515) 9825496
YOUR
HEATHKIT
90-DAY
FULL
WARRANTY
Assembly
and
Operation
of
the
Introduction
Parts List
Step-by-step Assembly
Installation and Applications
In Case of Difficulty
Specifications
Warranty
Customer Service
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TABLE OF CONTENl'S
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Inside front cover
Inside rear cover
1
2
4
9
13
14
COAXIAL SWITCH
MODEL
HD-1234
BENTON
The Model HD-1234 Coaxial Switch
receiver to any one of several antennas or RF loads, while grounding the unused
connectors.
The Coaxial Switch can be used in conjunction with the
Wattmeter for off-theair
antenna for normal transmission and reception.
A
mounting bracket is provided to permit you to conveniently hang the switch
on the side of an equipment enclosure, onto a desk, or on a wall. The switch
may be used handily without the mounting bracket in any application which
suits the needs of your transmission system.
HEATH
HARBOR. MICHIGAN
COMPANY
INTRODUCTION
is
tuneup, and can then be immediately switched to an
49022
designed to switch one RF source or
Heathkit RF Load
Page 2
KEY PART PARTS
No. No. Per Kit
--
-
METAL PARTS
HARDWARE
Unpack all the parts in the kit and check each part against the following list. The
key numbers correspond to numbers on the Parts Pictorial.
DESCRIPTION PRICE
Connector panel .25
Ground panel .45
Mounting bracket .90
Cover plate .70
4-40 x
114" self- .05
tapping screw
114" flat .05
4-40 x
head screw
112" screw .05
6-32 x
#6 x 518" sheet metal .05
screw
6-32 nut .05
Thumbnut .05
Control nut
#6
flat washer .05
Control flat washer .05
Control lockwasher .05
#6 lockwasher .05
#6 solder lug .05
318" setscrew .05
8-32 x
-
Each
.05
PARTS
LIST
KEY PART PARTS DESCRIPTION PRICE
No. No.
--
Per Kit
-
MISCELLANEOUS
C1 63-683
C2
436-5
C3
462-24 1 Knob
390-1023 1 Label set .40
(24
391-34 1 Blue and white label .15
597-260 1 Parts Order Form
597-308 1 Kit Builders Guide
The above prices apply only on purchases from the Heath Company where
shipment is to a
when ordering from a Heathkit Electronic Center to cover local sales tax,
postage, and handling. Outside the U.S.A., parts and service are available from
your local
duties, and rates of exchange.
Heathkit source and will reflect additional transportation, taxes,
1 Rotary switch 4 30
5 Coaxial jack
1
Manual (See front cover 2.00
for part number.)
Solder
(Add~t~onal
of solder,
ordered for 25 cents each.)
U.S.A. destination. Add 10% (minimum 25 cents) to the prlce
#331-6, can be
3'
rolls
Each
-
.85
.30
PARTS PICTORIAL
Page
3
Page 4
STEP-BY-STEP ASSEMBLY
Before you start to assemble this kit, read the "Kit Builders Guide" for complete
information on soldering and step-by-step assembly procedures.
Position all parts as shown in the Pictorials. Follow the instructions carefully, flange to the left.
and read the entire step before you perform the operation.
a
part or a group of parts only when instructed to do so.
Solder
Refer to Pictorial 1 for the following steps.
4-40
x
SELF
114"
TAPPING
PICTORIAL
Install a 6-32 x 112" screw and a #6 solder lug through the ground panel
( )
as shown. Secure the screw with a
the solder lug straight up toward the edge of the panel with the panel
Place two
(
)
finger tight.
NOTE
:
not overtighten the screws. This
( )
Mount a coaxial jack on a connector panel
self-tapping screws. Position the open portion of
toward either side of the panel.
SCREW
#6
flat washers and a thumbnut on screw. Turn the thurnbnut
When you use self-tapping screws in this kit, as in the following step,
#6
FLAT
1
can
strip the threads in the metal parts.
WASHERS
#6 lockwasher and a 6-32 nut. Position
do
with four 4-40 x 114"
the connector solder post
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