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A poor o r cold solder joint will usually look
heated until the solder flows smoothly over the
crystalline and have a grainy texture, o r the
entire junction. In some cases, it may be neces-
solder will stand up in a blob and will not have
s a r y to add a little more solder to achieve a
adhered to the joint. Such joints should be re-
smooth bright appearance.
CRIMP WIRES HEAT CONNECTION APPLY SOLDER
ALLOW SOLDER
PROPER SOLDER
TO FLOW
CONNECTION
NOTE: ALL GUARANTEES ARE VOIDED AND WE WILL NOT REPAIR OR SERVICE
INSTRUMENTS IN WHICH ACID CORE SOLDER OR PASTE FLUXES HAVE BEEN
USED.
WHEN IN DOUBT ABOUT SOLDER,
IT IS RECOMMENDED THAT A NEW
ROLL PLAINLY MARKED "ROSIN CORE RADIO SOLDER" BE PURCHASED.
STEP-BY-STEP PROCEDURE
The following instructions are presented in a
kit; however, in some instances the illustra-
logical step-by-step sequence to enable you to
tions may be slightly distorted to facilitate
complete your kit with the least possible con-
clearly showing all of the parts.
fusion. Be sure to read each step all the way
through before beginning the specified operation.
The abbreviation "NS" indicates that a con-
Also read several steps ahead of the actual step
nection should not be soldered yet a s other
being performed. This will familiarize you with
wires will be added. When the last wire is
the relationship of the subsequent operations.
installed, the terminal should be soldered and
When the step is completed, check it off in the
the abbreviation "S" i s used to indicate this. Note
space provided. This i s particularly important
that a number will appear after each solder
a s it may prevent e r r o r s o r omissions, espe-
instruction. This number indicates the number of
cially if your work i s interrupted. Some kit
leads that a r e supposed to be connected to the
builders have also found it helpful to mark each
terminal in point before it i s soldered. For
lead in colored pencil on the Pictorial a s it is
example, if the instruction reads, "Connect a
added.
lead to lug 1 (S-2)," it will be understood that
there will be two leads connected to the terminal
The fold-out diagrams in this manual may be
at the time it is soldered.
removed and attached to the wall above your
working area; but, because they a r e an integral
The steps directing the installation of resistors
part of the instructions, they should be returned
include color codes to help identify the parts.
to the manual after the kit is completed.
Also, if a part i s identified by a letter-number
designation on the Schematic, its designation
In general, the illustrations in this manual
will appear in the construction step which directs
correspond to the actual configuration of the
its installation.
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