Heathkit SG-6 User Manual

R M A Color Code on Transformers
I.F. TRANSFORMERS
Blue - Plate Lead
Red-B ~Lead
Green-Grid
Black - Ground or AVC
If Cl'nt<>r tapped other grid is green and black stripeC
AUDIO TRANSFORMERS
lllu .. - Pli.t" Lead
Red-B - Lead
Brown - Oth .. r Plate on Push Pull
Grf'en - Grid LE-ad
Hln<'k - Ground LPad
"l · e110-.. - OthPr Grid on Push Pull
POWER TRANSFORMERS PRIMARY - BLACK
High Yoltase Plate - Red
Center Tap Red and Yellow Striped
ReetUler Filament - Yellow
Center Tap Yellow and Blue
.... llament No. 1 - Green
Center Tap Green and Yellow
J<'llament No. 2 - Brown
Center Tap - Brown and Yellow
J<'lloment No. 3 - !'late
Center Tap - Slate and Yellow
Soldering
The most impor an thing in good soldering is to heat the joint and allow the solder to fi'ow into it. The solder should melt
from contact with the joint rather than with the iron. Never use pastes or acids in radio work.
Use only rosin core solder. Never depend on the solder to hold a joint. Always make a firm connection with the wire
before applying solder. To tin a soldering iron (soldering cannot be done with the bare copper) file the surface lightly while the
iron is hot and then quickly apply a generous amount of rosin core solder while the filed surface is still bright. Wipe off excess
solder with a cloth .
Tin all four s ides of the tip in this manner.
The terminals must be clean, and preferably tinned. On some terminals that arc hard to solder to (nickel plated f.i.) it is
desirable to pre-tin the surface before installation or connection. Clean (scrape or sandpaper) the surface, heat with iron and apply
rosin core solder liberally. Wipe off or shake off excess solder.
Recommended Tools
A good electric solder in g iron ( 100 watt with small tip)
Long or needle nose pliers 6".
Diagonal or side cutting pliers (5" or 6").
An assortment of screw drivers fiat and Phillips type.
File. Round and flat types.
Purchase quality tools and you will enjoy and use them many years.
American Beauty soldering irons, Plomb, and Williams pliers are
recommended.
Symbols Used
in Radio Circuits
T
ANTENNA
#
VARIABLE
*
QUARTZ
OR AERIAL
CONDENSER
CRYSTAL
_L
CHASSIS
_j_+
ELECTROLYTIC
+
CONNECTION
OR GROUND
CONDENSER
OF TWO WIRES
--
-.--
SHOWING POLARITY
-
~
AIR CORE
0
+
NO
COIL
\
SWITCH
CONNECTION
~E
AIR CORE
0
0
ROTARY
TRANSFORMER
o\
SWITCH ~
FUSE
OR COIL
0
~
R.F. CHOKE
UwJ~
SPEAKER
~
PHONE
PLUG
FILTER OR
$J
IRON CORE
METER
K
-
1000
-
....JffimT'-
CHOKE ...
JlllL
IRON CORE
J])_
PILOT
M=
1,000,000
TRANSFORMER LIGHT
-./WJVVv-
FIXED
---v I
PHONE
.fl_
OHM.
RESISTOR
JACK
-J\NN\f\r-
VARIABLE
SUPPRESS~PLATE
RESISTOR OR
\, 'l/NV'vv-. SCREEN
MF
-
MICROFARAD
1'
-
POTENTIOMETER
GRID . ~ ·l\t Ii.
-H-
VVV\f\N. ~VACUUM
MMF
MICRO
FIXED
~ TUBE
-
CONDENSER
CATHODE -
MICROFARAD
IC' FILAMENT
.r-:i
THE
HEATH
COMPANY
•
BENTON
HARBOR, MICH.

Heathkit SG-6 Specifications

General

Brand	Heathkit
Model	SG-6
Category	Measuring Instruments
Language	English