Heathkit IO-4205 User Manual
HEATHKIT
®
MANUAL
5 Megahertz
Dual Trace
Oscilloscope
Model 10-4205
595-2072
.·':::;_·. 7 ...
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HEATH
COMPANY • BENTON
HARBOR,
MICHIGAN
HEATH COMPANY PHONE DIRECTORY
The following telephone numbers are direct lines to the departments listed:
Kit orders and delivery information
Credit
......... .
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8:
00A.M.
RtC, Audio, and Electronic Organs ..
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to
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YOUR HEATHKIT 90 DAY LIMITED WARRANTY
If
you are
not
satisfied
with
our
Services, Heath Company, Benton Harbor,
attention.
Our
attorney,
who
happens
phrases in order to
For a period of ninety (90) days after
either in materials or workmanship. You
telephoning
warrant
We
and
used in accordance with
If
a defective part or error in
fault of yours, we will service it free
Electronic Center (units of Schlumberger
You will receive free
drop us a
Our
incorrect assembly, misuse, fire, or by
advertised.
This warranty covers only Heathkit products
our
limitation of incidental or consequential damages , so
gives you specific legal rights,
line
warranty does
products. We
comply
us at (616) 982-3571.
that
during
consultation
or give us a call. Sorry,
not
Our
warranty does
are
service- warranty or
to
be
with
the first
ninety
our
design
cover
and
not
not
responsible
and
quite
a kitbuilder himself, insists that
the
new
purchase
can
And
we'll
(90) days after
printed
has caused
upon
on
any
problem you
we
we
are
not
unauthorized
include
for
you may also have
otherwise-
Michigan
warranty regulations. Fine. Here they
, Heath
obtain parts directly from Heath
pay
shipping
instructions, will meet published specifications.
your
proof of
purchase
Products
cannot
accept
responsible for
reimbursement
and
is not
incidental
HEATH COMPANY ~
BENTON HARBOR, MI. 49022
oROOo&~uoOOOootooooomo~
or
with
our
49022. He will make certain your problems receive
Company
purchase,
Heathkit
Corporation). or
will replace or repair free of charge any parts that are defective
charges to get those parts to
our
product
and
might
encounter
collect calls.
damage
modifications to or uses of
for
customer
extended
or
consequential
the
above limitation or exclusion may not
other
rights
products, write directly to
we
describe
our
warranty using all the necessary legal
are
:
Company
products,
to
malfunction
delivery at your expense to the Heath factory,
any
of
our
in
the
caused by
assembly or set-up time.
to allied
equipment
damages.
which
vary from state to state.
by writing us at
you-
when
correctly assembled, calibrated , adjusted
during
authorized
assembly or
the
use of corrosive solder, defective tools,
our
products for
or
components
Some
states
our
anywhere
the
warranty period
overseas distributors.
use
of your Heathkit product. Just
used in
do
not
apply
Director of Customer
immediate,
the
address
purposes
allow
to you. This warranty
personal
below or by
in
the world.
through
any
Heathkit
other
than
conjunction
the
exclusion or
no
as
~
with
~
~
~
Prices and specifications subject to change without notice.
Heathkit® Manual
for
the
5 Megahertz
Dual Trace
Oscilloscope
Model 10-4205
595-2072
HEATH
BENTON
COMPANY
HARBOR,
MICHIGAN
490
2 2
Copyright © 1978
Heath Company
All Rights Reserved
Printed in the United States of America
Page 2
TABLE OF CONTENTS
INTRODUCTION o 0 0 0 0 0 0 0 0 0 0 0 0 0 o o o o 0 0 0 0 0 0 0 0 0 0 0 0 3
UNPACKING
ASSEMBLY NOTES
o o o o 0 0 0 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
0 o o o o o 0 0 0 0 0 0 0 0 o o o o 0 0 0 0 0 0 0 0 0 5
VERTICAL CIRCUIT BOARD
Parts List
Step-by-Step Assembly
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
HORIZONTAL CIRCUIT BOARD
Parts List
Step-by-Step Assembly
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36
POWER SUPPLY CIRCUIT BOARD
Parts List
Step-by-
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 50
Step
Assembly 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 52
CHASSIS
Parts List
Step-by-Step Assembly
INITIAL TESTS
CALIBRATION
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61
0 0 0 0 0 0 0 0 o 0 o o o 0 0 0 0 0 0 0 0 o o o o o o o 0 o 80
0 0 0 0 0 0 0 0 0 0 o o o 0 0 o 0 0 0 0 0 0 o o o o 0 0 0 0 82
FINAL ASSEMBLY
OPERATION
IN
CASE OF DIFFICULTY 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 0 0 0 o
o o 0 0 0 0 0 0 0 o o 0 0 o 0 0 0 0 0 o o o 0 0 0 0 88
0 0 0 0 0 0 0 0 0 o 0 0 0 0 0 0 0 0 o 0 0 o o o 0 0 0 0 0 0 o 0 89
97
SPECIFICATIONS 0 0 0 0 0 o o o 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 0 0 106
THEORY OF OPERATION
CIRCUIT DESCRIPTION
0 o 0 o o o 0 o 0 o 0 0 0 0 0 o o 0 0 108
o o o 0 0 0 0 0 0 0 0 0 0 o 0 0 0 0 0 0 0 109
SEMICONDUCTOR IDENTIFICATION
CHART
0 0 o o o o o o o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o 0 o 0 0 0 0 0 0 116
CIRCUIT BOARD X-RAY
VIEWS
0 0 0 0 0 0 0 0 0 0 0 0 0 Illustration Booklet, Page
36
SCHEMATIC DIAGRAM 0 0 0 0 0 0 0 0 0 0 0 o 0 0 0 0 (Fold-in)
WARRANTY
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
CUSTOMER SERVICE
0 0 0 0 0 0 0 0 0 0
Inside
Inside
front cover
rear cover
;
;
:
INTRODUCTION
The
Heathkit
cilloscope is a compact, versatile, easy-to-build, electronic
waveforms
to
measure
to 5 MHz
ity of
the
Oscilloscope for nearly all
tions. The
many
and
other
capabilities
priced
Model
instrument
in
10-4205, 5 MHz, Dual-Trace Os-
that
electronic circuits. You
frequency,
bandwidth
and
vertical amplifiers
triggered
horizontal
outstanding
that
are
oscilloscopes.
you
and
the
types
features
usually
can
AC or
excellent
allow
of waveform
sweep
found
use
DC
voltages.
provide
to
can
input
you
circuit
only
study
also
use
The
sensitiv-
to
use
applica-
and
accuracy
in
higher
the
DC
this
the
it
easier
to
trigger
on
the
vertical frequency of
a TV set.
• A
10
to 1 attenuation
for signals
input
tal
applied
jack.
circuit
to
that
the
external, horizon-
• Accurately calibrated vertical
with
variable controls.
• A calibrated
selections, variable
time
base (seven
within
each selection).
Page 3
can
be
used
attenuators
time
base
Among
fers are:
• A
the
many
special
This
rejecting
other
TV
allows
high
features
position
low
frequencies
frequencies,
this
Oscilloscope of-
on
the
trigger selector.
to
thus
pass
making
while
it
These
make
features, along
this
Oscilloscope a
with
laboratory, service shop, or
the
attractive styling,
welcome
the
ham
shack
asset to
.
will
the
Page 4
UNPACKING
Inside
which
box removed from
bags
will refer to these areas as
rected
All other parts
ered
parts from
specifically called for
the
shipping
contained
stamped
to
open
the
"final
their
carton
this
the
PACK 2
each
of
in
the
pack."
bags or
Assembly Manual.
shipping
through
these
shipping
Caution: Do
the
in
was
the
box
carton, you
PACK 4.
"packs."
"packs"
carton
"final
pack"
a Parts List
stamped
The
You
as
it
will
not
until
in
the
With
will
Manual
will
be
is needed.
be
consid-
remove
they
Manual.
PKl
this
find
di-
any
are
Each assembly section of
"Parts List"
At
tions.
be
instructed
be
directed,
parts from
and
the
beginning
to
in
the
"Step-by-Step Assembly" instruc-
open
one
some Parts Lists,
final pack.
the
of
Manual
each
of
the
contains its
"Parts
List," you
packs. You
to
remove
will
certain
own
will
also
~~~~;allllll;ll:ll=u~
.................................................................... ..
ASSEMBLY NOTES
TOOLS
You
will
need
these tools to assemble
your
kit
.
Page 5
PLIER S
-------------------------------------------------
OTHER
HELPFU~
TOOLS
/
NUT STAR
1IMAY
I WITH" KI TI
I
I
I * TO
BE
SUP
TER
PLIED
DIA
GON
C
UTT
~
DE SOLDERING
AL
ERS
BUL
B*
ESO
LDER I NG
D
BR
AID
*
REMOVE SOLDER FROM
CIRC
UIT CON
NECTIONS
HEATH
KI T
SOLDERING
RO
N
I
OR
PENCIL
SO
LDERI
TO 40
NG I RON
WATT
S!
125
.
·------------------------------------------------~
ASSEMBLY
1.
2.
Follow
tire
The
rials
eration
generally
directed
following
until
another
the
instructions
step before
you
illustrations
and
Details. Pictorials
for a
group
illustrate a
to refer to a
steps,"
you
are referred
group
of steps.
perform
in
the
Manual
of
single
certain
continue
to
carefully. Read
each
operation
are called Picto-
show
the
assembly
step.
steps
When
Pictorial
using
that
another
Pictorial for
the
en-
.
overall op-
; Details
you
are
"for
the
Pictorial
3.
4.
5.
Most kits
that
etc.)
Keep
sembly
ranged
Position
use
contains
that
are too large for
the
"Illustration Booklet"
Manual.
in
Pictorial
all
Solder a part
are
instructed
a separate
"Illustration
Booklet"
illustrations (Pictorials , Details,
the
Assembly Manual.
with
the
The
parts
or a
to
illustrations
number
as
shown
group
of
do
so.
sequence.
parts
in
in
the
Pictorials.
only
it are ar-
when
As-
you
Page 6
6. Each circuit
component
numbers
part
in
These
part
has
In
At
part
number
when
the
various sections of
numbers, which
to
be
the
Parts List,
the
beginning
component
In
some
In
the
Schematic,
In
the
section
7.
When
you
are
particular
vided
at
length,
the
bottom
SAFETY WARNING:
off excess
fly
toward
lead
your
lengths.
eyes.
in
an
electronic kit
(R2, C4, etc .
you
want
are especially
replaced
, appear:
of each step
is
installed,
illustrations,
at
the
instructed
use
Avoid
Hold
of
to
the
the
eye
the
has
its
).
Use
these
to
identify
the
the
same
Manual.
useful
where
rear of
cut
something
the
Manual.
scales (rulers) proManual
injury
leads
when
so
they
pages.
you
cannot
own
if a
to
cut
SOLDERING
Soldering
will perform
der
connection
tween
circuit
vent
properly.
a
It is easy to make a
follow a few
1.
a
2.
two
board
an
otherwise
Use
40-watt
3/16"
Keep
on a wet
the
process is called
tip
When
the
ned.
is one of
while
will form
parts, such
foil. A
simple
the
right
pencil
chisel or
the
soldering
sponge
tip
to give
and
enable
solder
tip,
the
the
most
important
assembling
an
electrical
as a
component
bad
solder
connection
operations
your
kit. A good sol-
connection
lead
could
you
be-
and
pre-
well-assembled kit from operating
good
solder
connection
if you
rules:
type
of
soldering
pyramid
or
the
tinning, and
you
tends
tip
needs
soldering
tip
iron
tip
cloth; then
entire
to
to
tip a wet
make
"ball"
to
be
iron. A
iron
with
works best.
clean.
Wipe
apply
it
will protect
good
connections
or does
cleaned
a
solder
look.
not
and
25
to
1/8"
or
it often
to
This
the
stick to
retin-
a
.
Page 7
PARTS
Resistors
in
0 (ohms),
will
kO
be
types of resistors
body,
while
others
The colors of
the
steps, therefore
for
information
Color
Black
Brown 1
Red
Orange
Yellow
Green
Blue
Violet 7
Gray
White
the
Band 1
1st Digit
Digit
called
(kilohms), or
bands
out
will
have
will
be
identified
and
the
following color
by
their
resistance
MO
(megohms). Certain
the
value
by
the
value
will
only.
Band 2
2nd Digit
Color
0
2
3
4
5
6
8 Gray 8
9
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
White 9
value
printed
code
BANDS
Digit
0
1
2
3
4 Yellow
5
6
7 Violet
on
the
a color
be
code
given
.
in
is given
: 1 2 3 / /Tolerance
Multiplier
Band 3
3rd Digit
Color
Black
Brown
Red
Orange
Green
Blue
Gray
White
1/4-WATT
==
==fllm-===OR~
1/2-WATT
(if used)
Digit
0
1
2
3 Orange
4
5
6
7 Silver
8
9
OR
1-WATT
*Note
Wide
Space
Multiplier
Color
Black 1
Brown
Red 100
Yellow
Green
Blue
Gold
=======~--~=
2-WATT
Resistance
Tolerance
Multiplier
10
1,000
10,000
100,000
1,000,000
0.
01
0.1
Color
Silver
Gold
Brown
Tolerance
:!:
10%
:!:
5%
:!:
1%
Capacitors
value
will
in
JLF
(microfarads) or
be
called
out
by
pF
(picofarads)
ceramic, Mylar* , electrolytic , etc.
may
have
their
value
ner
:
First digit of
capacitor's value : 1
Second digit of
capacitor's value: 5
Multiplier: Multiply the
& second digits by
first
the proper value from the
Multiplier Chart.
To find the tolerance of
the capacitor, look up
this letter
columns.
*
DuPont
in
the Tolerance
Registered
printed
Trademark
in
____
their
Some
the
following
_,
capacitance
and
type:
capacitors
man-
FOR THE
NUMBER:
EXAMPLES:
151K
759 = 75
NOTE:
decimal
MULTIPLIER
0
1
2
3
4
5
8
9
=:=
15 X 10 = 150
X0.1
= 7.5
The
letter "R"
pF
pF
may
be
used
point: as in: 2R2 = 2.2 (pF or
TOLERANCE OF CAPACITOR
1
10 pF OR
LESS
±0.1
pF
±0.
25
pF
±0.5
pF
±1.0
pF
±2.0
pF
LETTER
MULTIPLY
BY:
10
100
1000
10,000
100,000
O.D1
0.1
at
B
c
D
F
G
H
J
K
M
times
JLF).
to
signify a
OVER
10 pF
:±
± 2°/o
±3
±5°/o
±
±
20%
1o/o
o/o
10%
Page
8
VERTICAL
CIRCUIT
Remove
each
correspond
part
the
parts from
against
to
the
the
BOARD
the
pack
following list.
numbers
on
the
marked
The
#1.
key
numbers
Vertical Circuit
Board Parts Pictorial (Illustration Booklet, Pages
and
2).
Any
part
that
is
in
an
the
envelope
step. Do
parts are
KEY
HEATH
Part
No.
individual
part
number
after
not
accounted
No
. Comp. No.
on
it
should
you
identify
discard any
for.
QTY.
DESCRIPTION
be
it
until
packing
envelope
placed
it
is called for
materials
back
CIRCUIT
RESISTORS
All resistors
(fourth
NOTE: The
velope
pack
1/2-Watt
AI
A1
A1
A1
are
15q
5%
silver).
resistors
RES).
you
check
band
(stamped
before
(p-
6-279
6-100
6-220 4
(fourth
may
Open
the
\.S
2
3 2.7
20
band
gold)
be
packed
all
the
resistors
3L
\
Y;·
tV\-G
n (Red-Viol-Gold)
10
n (Brn-Bik-Bik)
22
n (Red-Red-Bik)
unless
designated 1 0%
in
more
resistor
against
envelopes
the
M~)
than
one
Parts List.
~
tcf-i
R179,
R182
R124A, R124B,
R131A, R131B,
R142A, R142B,
R145A, R145B,
R157A, R157B,
R158A, R158B,
R159A, R159B,
R164A, R164B,
R166, R168,
R174
R147A, R147B,
R148A, R148B
PARTS LIST
Some
Check
1
with
into
the
in
a
until
all
en-
in
this
~
I R \05~
R181,
, R175
KEY
No.
Resistors (Cont'd.)
A1
parts
aging number.
purposes
List."
To order a
PART NUMBER. Use
with
the
Parts"
separate "
HEATH
Part No. Comp. No.
6-330
A1
6-390 2
A1
6-470 2
A1
6-820 2
A1
6-101
A1
6-201
6-221
A1
6-271
A1
A1
6-331
A1
6-391
A1
6-471
A1
6-511
A1
6-751
are
only
kit
.
inside
Heath
If
marked
These
and
with
numbers
do
not
replacement
the
one
is
not
available, see "Replacement
the
rear cover.
Parts Price List."
QTY.
DESCRIPTION
33
{
n (Org-Org-Bik)
n (Org-Wht-Bik)
39
47
n (Yei-Vioi-Bik) R134A, R134B
82
n (Gry-Red-Bik) R144A, R144B
100
6
2
8
2
2
6
2
2
2
n (Brn-Bik-Brn) R161A,
200
n (Red-Bik-Brn)
220
n (Red-Red-Brn)
270
n (Red-Vioi-Brn)
330
n (Org-Org-Brn)
390
n (Org-Wht-Brn)
470
n (Yei-Vioi-Brn)
510
n (Grn-Brn-Brn)
750
n (Vioi-Grn-Brn)
a "
171-
are
used
appear
in
the "Manual
part, always
Parts
Order
For
prices, refer to
" or
"172-
for packaging
include
Form
furnished
CIRCUIT
R1A, R1B
R2A, R2B
::::ftj:()SA, R4059;
R106A, R106B
R151A, R151B
R162A, R162B,
R171,
R117A, R117B
R111A, R111B,
R113A, R113B,
R114A, R114B,
R183,
R108A, R108B
R116A, R116B
R135A, R135B,
R139A, R139B,
R153A, R153B
R136A, R136B
R115A, R115B
R163A, R163B
" pack-
Parts
the
the
,
,
R16·1B,
R172
R184
®
~
f§1%f#fB+@
Page 9
KEY
HEATH QTY. DESCRIPTION
No
. Part No. Comp. No.
CIRCUIT
Resistors (Contd.)
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
6-102
6-122
6-182
6-272
6-332
6-912
6-103
6-153
6-223
6-913
6-104
6-914
20 1000
2
1200
2 1800
4
2700
4 3300
2
9100
10
kfi
4
2 15
kfi
kfi
22
2
91
kfi
2 100
2 910
n (8rn-81k-Red)
n (8rn-Red-Red)
n (8rn-Gry-Red)
n {Red-Viol-Red)
n (Org-Org-Red)
n (Wht-8rn-Red)
(8rn-81k-Org)
(8rn-Grn-Org)
(Red-Red-Org)
(Wht-8rn-Org)
kfi
(8rn-81k-Yel)
kfi
(Wht-8rn-Yel)
R104A, R1048;
R133A, R1338,
R141A, R1418,
R146A, R1468,
R149A, R1498,
R156A, R1568,
R165, R167,
R185, R186,
R187, R188,
R191
R155A, R1558
R137A, R1378
R118A, R1188,
R122A, R1228
R119A, R1198,
R121A, R1218
R103A, R1038
R109A, R1098,
R154A, R1548
R132A, R1328
R169
R102A, R1028
R107A, R0178
R101A, R1018
Other Resistors
'/t..j
A2
6-1801-
~
IZ.
A2
6-4320-11
1-19-1
A3
A4
5-11-2
AS
3-55-5
CAPACITORS
Ceramic
81
21-7 2
81
21-121 4
81
21-75 1
81
21-722
81
21-140 2
81
21-36
4
4
2
2
2
n (1.8
k)
~
watt
,
1800
1%
(8rn-Gry-81k-8rn)
432
n' 1 /8-watt, 1% R125A, R1258,
(Yei-Org-Red-81k)
n, 1-watt, 10%
220
{Red-Red-8rn)
15
kfi
, 2-watt, 10% R176
(8rn-Grn-Org)
2000
n
(2
k), 5-watt R177, R178
33 pF C117A, C1178
56
pF C112A, C1128,
100 pF
330 pF C105A, C1058
.
001
JLF
.002
JLF
R123A, R1238,
R127A, R1278
R126A, R1268
R173
C116A, C1168
C121
C128, C129
C108A, C1088
, R192
KEY HEATH
QTY. DESCRIPTION CIRCUIT
No. Part No. Comp.
Capacitors, Ceramic (Cont'd.)
81
21-141
81
21
81
21-47
81
21-31
81
21-199 2
-27
1
4
3 .
.0033
.005
01
.02
JLF
.1
JLF
JLF
JLF
JLF
C131
C107A, C1078,
C135, C136
C109A, C1098,
C122
C124
C114A, C1148
Electrolytic
82 25-115
83
25-117 4
25-160
B3
8
10
JLF
100
JLF
3
250
JLF
C111A, C1118,
C113A, C1138,
C123, C132,
C133, C134
C118A, C1188,
C119A, C1198
C125, C126,
C127
Trimmer
84
84
84
85
31-56
31-54
31-52
31-77
4 1.
5-
2 4-40
4 8-60
2 80-400
20 pF C101A, C1018,
C103A, C1038
pF
pF
pF
C102A, C1028
C104A, C1048,
C115A, C1158
C106A, C1068
Other Capacitors
86 27-28
2 .1
JLF
Mylar
C1, C2
DIODES
C1
C1
C1
56-56
56-67
56-89
~
\(o
4
1 N4149
VR10A
G0510
g~e~A. o~e+So
9Hl2A., 0192&,-
0103A, 01038,
0104A,
0105A,
0106A,
0108A,
0109A,
0111A,
0112A,
0107
0113, 0114,
0115, 0116
No.
01048
01058
01068
01088
01098
01118
01128
Page
10
KEY HEATH
No. Part
No.
QTY.
DESCRIPTION
CIRCUIT
Comp.
TRANSISTORS-INTEGRATED CIRCUITS (IC's)
NOTE: Transistors and integrated circuits are marked for identification
in
one
1.
Part Number.
2.
Type number.
of
the following four ways:
(On
integrated circuits, this refers
only to the numbers and letters listed. Any additional letters or numbers
on
an
IC
are not signifi-
cant.)
and
3. Part number
4.
Part number with a type number other than the one
type number.
listed.
01 417-235
01 417-237
01 417-260
01 417-293
01 417-801
02
417-834
03
417-902
04
443-1
04
443-4
pi
LJll-
~Lf
8 2N4121 transistor
2 SE6020 transistor
4 2N4258A transistor
4 2N5770 transistor
4 MPSA20 transistor
2 MPSU10 transistor
4 5566 transistor
7400 IC
1 7472 IC
1../
"=>e1
eo
tfl.!M!?
I s
'\tJ
0106A, 01068
0107AI 01078
01
08A,
0109AI 01098
01131 0114
0104A, 01048
01
05A,
0111A, 01118
0112A
, 0 1
0103A
, 0 1
0117, 0118
0115,0116
0101A, 01018
0102A, 01028
U101
U102
f
DID\
1::>10\5
)
DIDZ.AJ
OTHER CIRCUIT COMPONENTS
E1
10-357
E2 10-917
E2
10-918
E2
10-936
E3
10-1118
E4
60-73
E5
60-624
E6
63-1316
E7
475-16
2 1 00
3 200
2
2
2
2
1
2
2
n control
n control
500 n control
1 000
ll
( 1 K) control
ll
( 1 K) control
1 000
DP3T 3-position slide switch
DP4T 4-position slide switch
Rotary switch with 5000
(5K) control
Ferrite bead
n
R112A, R112B
R152A, R152B ,
R189
R143A, R143B
R138A, R138B
R4A, R4B
SW1A, SW1B
SW3
SW2A-R3A,
SW2B-R3B
HARDWARE
#4
Hardware
No.
01088
01
05B
128
038
"))l
Z!S
KEY HEATH QTY. DESCRIPTION
No. Part
#6
G1
G2 250-33 4 6-32
G3 250-416 4 6-32
G4 250-56 4 6-32 x 1/4" screw
G5
G6 254-1
No.
Hardware
250-1282 3 6-32 x 1/8" black setscrew
x 1/8" setscrew
x 1/4" flat head screw
252-3 4 6-
32
nut
4
#6
lockwasher
Other Hardware
H1
253-50 2 1/4" plastic spacer
H2 252-7 4 3/8-32 nut
1
H3 255-145 2 3/8" spacer
1
1
MISCELLANEOUS
J1
,
,
,
,
75-769
J2 75-770
J3 266-1008
85-2043-1
J4
204-2315
204-2333
J5
206-1273
J6
J7
215-95
343-15
344-
346-1
347-55
390-1436
J8 432-892
J9 434-230
J10 434-298
J11
453-66
J12 455-44
J13 456-7
J14 462-1049
J15 462-1050
J16 462-1055
L 1 490-5
134-237
L2
260-16
L3 73-34
390-147
390-1255
390-1483
391-34
597-260
51
Slide switch cover (1-7/16")
Slide
switch cover (29/32")
Slide switch cover
Vertical circuit board
Sw
itch bracket
2 Control bracket
1 Circuit board shield
2 Heat sink
4' Shielded cable
3' Brn wire
8-1
/2" Sleeving
1-1
/2' a-conductor flat cable
1 Metal front panel
2 BNC connector
4 8-pin IC socket
2 14-pin IC socket
2 5" extension shaft
2 Split plast ic bushing
2 Shaft coupling
Red knob
2 Small black knob
Large black knob
Plastic nut starter
Cable with connector
1
2 Alligator clip
2 Red alligator clip insulator
Danger label
Fuse label
Power consumption label
Blue and white label
Parts Order Form
(1
-3/16")
CIRCUIT
No.
Comp.
J1
, J2
F1
250-428
F2 250-52
F3 250-186
F4 252-15
F5 254-9
0
Y.
}'2
I 1
(8
I
3~ 8
I"' I II II
Q .
I " ( 8 I 7
1 I I I
!5
1 (CM )
1 4-40 x 1/4" flat head screw
2 4-40 x 1/4" screw
#4
4
3 4-40 nut
3
"/.
~
8
I . I I I I I I
'2
x 3/8" screw
#4
lockwasher
(I
N C
3
HES
) 2
' I I
I'
"
3
,.
1, I I I I
e 7 · e
'I
I I I
' I
Solder
Assembly Manual (See Page 1
for Part Number)
'II
7
I
17
4
I I
I I I ' I
I
I ' I I ' I
11
10
9
5 6
·,I
I
12
I'
13
I l ' I I I
1 4
15
I I
,.,
I
In
the
following steps, you will be
given detailed
install
circuit
step carefully.
cedure
circuit
NOTE: Only a
board is
ing Pictorials.
tion
Drawing" at
shows
the
assembled.
( )
Position
shown
the
NOTE:
that
has its
the
value
read
ily
with
their
possible.
Hold
sistor
bend
the
board
instructions
and
solder
board. Read
Then
whenever
board.
portion
shown
in
The
area
ofthe
the
with
foil side) up.
When
you
value
printed
marking
. Diodes
type
or
a 910
k.O
with
long-nose pliers
the
leads
hole
spacing
.
the
and
use
you install parts
some of
small
the
circuit
circuit board as
the
install a
up,
should
part
straight
on
first
top of
printed
so it
(Wht-Brn-Yel) re-
how
part
on
perform each
the
same
proon
of
the
circuit
the
follow-
"Identifica-
the
page
board to be
side
(not
component
on
it,
position
can
be eas-
be
mounted
number
on
down
the
up,
to fit
circuit
the
and
STEP-BY-STEP ASSEMBLY
to
a
The
steps performed
in this area of
if
the
in
this Pictorial are
circuit
board.
IDENTIFICATION
DRAWING
CONTINUE<:/
( )
Turn
the
solder
as follows:
1.
COMPONENT
circuit
the
resistor leads to
Push
the
soldering
against
both
circuit board foil. Heat
for
two
or
three
SOLDERING
iRON
LEAD
w
~~~
2.
Then
apply
other
side
of
IMPORTANT: Let
and
the
lead
melt
SOLDER
FOIL'\_
circuit board foil
the
solder.
SOLDERING
IRON
Page
board over
the
/)
the
the
iron
lead
and
seconds.
BOARD
solder to
connection
the
heated
11
and
foil
tip
the
both
the
.
( ) R101B:
the
holes at
on
the
color
either
Press
cuit
board.
outward
tor
in
Push
the
the
circuit board .
bands
way
the
place
indicated
may
.
resistor
Then
slightly to
.
leads
The
be
positioned
against
bend
hold
through
location
end
with
the
the
leads
the
resis-
cir-
PICTORIAL 1-1
3. As
the
solder begins to melt ,
allow it
connection. Then
solder
connection
FOIL
( ) Cut off
close to
ING: Clip
will
not
( ) Check each connection. Compare
it to
the
After you have checked
connections, proceed
sembly
soldering
connection
to
flow
and
the
iron
cool.
SOLDERING
IRON
the
excess lead lengths
the
connection
the
leads so
fly toward
illustrations
on
Page 13. Use
.
your
on
with
procedure
around
the
remove the
and
let
the
. WARN-
the
ends
eyes.
Page 12.
the
solder
the
as-
the
same
for each
Page 12
A GOOD SOLDER CONNECTION
~-------------------,
S
OLDER
AND
GRADUALLY
THE
WITH
THE LEAD
FLOWS
FOIL
.
OUTWARD
BLEND
AND
S
,~;~
',,
,')
//
/
,'
/
, (_;;
OLDER
IRON
POSITIONED
CORRECTLY
IN G
I
I
I
I
I
When
you
heat
the
lead
and
the
circuit
time, the
1
The
Lt~
POOR
~----------------------------~-----,
I
I BEAD SURROUN DS
I
I
I
I
I
1 rect,
1
Lc~~c~r:_
SOLDER CONNECTIONS
SOLDER DOES NOT
ONTO LEA
SUL
T
HE
When
will
D. A
ATE
S THE LEAD
CONNECT ION.
the
not
flow
reheat
small
amount
FL
OW / / I
DARK ROSIN
AND
IN -
FRO
M
FO
IL
lead
is
not
onto
the
the connection
of
additional
_____________
heated
lead as
and
solder will flow
solder
~~~
ROS
will make a
IN
,<;
//,'S
''
'
//•
,,,
, I NC
""
sufficiently,
shown
,
if
necessary,
solder
to obtain a good
evenly
good
electrical
~
!!!i~
___________
,
//
,'
, IN
OLDERING OF THE FOIL
IRON '
POSITIONED
ORRECTL
the
Y
solder
above. To cor-
apply
a reheat
_!~;....
board
onto
the
SOLDER
WA
RD
When
the
blob
on
amount
foil at
the
same
lead
and
the
foil. I
connection
APPEARS
AND S
.
foil is
the
circuit
the
connection
of
additional
ET
not
between
TO
FLOW
ON
TOP
heated
board
-~
//,'
as
and
, if necessary,
solder
______________
I
I
,') ,'SOLDERING
//,.-........_
/ ,
',
sufficiently
shown
to obtain a good connec- I
IRON
PO
SIT IONED
INCORRECTL
the
Y
solder
will
above. To correct,
apply
a small 1
.J
A
solder
in
nection
you
dered
you "drag"
remove
is:
lead before
connection
and
important
NOTE:
tions
Use
and
board
circuit
tween
the
solder
boards
bridge
photograph
should
accidentally
connection,
the
it
from
alwa
ys take a good look
you
, make
does
not
bridge
when
It
is alright for
on
the
same foil.
only
enough
lift
the
soldering
.
If
a
solder
board
foil -
connections.
tip
of
the
soldering
bridge
. NOTE :
has a coating
is a protective
bridges.
between
A.
Photograph B shows
appear. A
touch
soldering
the
solder
sure
the
solder to
side-down
two
adjacent
solder
an
adjacent
if
you
use
too
iron
across
connection
it.
the
to
another
. A good
at
the
Then, when
sold
er
foils are small
solder
to
make
iron
straight
bridge
should
and
The
excess
foil.
iron, and
The
foil
on
it
called "solder
insulation
to
help
foils is
bridge
previously
much
other
foil area
you
remains
This
and
close together.
bridge
a good
up
from
develop ,
heat
the
solder
this
will
side
of
prevent
SOLDER BRIDGES
shown
how
the
con-
may
occur
if
sol-
solder, or if
foils as you
rule
to follow
around
is especially
two connec-
connection
will
most
resist." This
solder
in
this
the
circuit
turn
solder
run
remove
circuit
solder
each
the
area
,
the
be-
onto
the
A
SOLDER
BRIDGE
B
Page
::
::
::
The
steps performed in this Pictorial a
in this area of
the
circuit board.
IDENTIFICATION
DRAWING
re
--~,.-fi
PART
NUMRER
13
Be sure you
in
Pictorial 1-1 (Page 11).
R102B:
R105B: 1.5
NOTE: Your circuit board
marked 33 at
R104A: 1000
R105A: 1.5
NOTE: Your circuit board
Solder the leads to
off the excess
NOTE: When you install a diode, always
match
the
band
the
DIODE
IF
See Detail 1-2A.
mark on
WILL
IT
IS
INSTALLED BACKWARDS.
BAN:~
···:·::
:-:.:·
:·:·:"
··BAND
If
your
diode
is clearly defined.
body, do
glass
end
inside
end
outside
the diode for the
. Look for a
of the glass .
installed
91
kfl (Wht-Brn-Org).
0 (Brn-Grn-Gold).
this
0 (Brn-Blk-Red) .
tf
(Brn-Crn-Go1d) .
at
this
33
lead
band
on the
the
NOT WORK PROPERLY
}/
'¥-
GLASS'--..
BODY
has a solid
If
your
not mistake the colored
band
resistor
foil
lengths
diode
may
may
and
.
with
location.
location.
the
circuit board. A
NO
COLORED
END
body, the
painted
diode
band
has a
banded
on
be
be
cut
the
)
07B: 100 kfl (Brn-Blk-
01B:
Selected
(#417-854). See Detai11-2B.
""""
'""',"~the
··1ho1A:
U
(#417-854) . See Detail1-2B.
Solder the leads to the foil and cut
off the excess lead lengths .
IMPORUNT:
BE
MARKED
leads to
excess lead
: 100 kfl (Brn-Blk-
Selected
THE
BANDED
IN A NUMBER
transistor
the
foil
lengths
transistor
END
OF
DIODES
OF
WAYS.
Yel)
and
~
Yel)
.
cut
.
CAN
~
BANDED
END
Detail1-2A
__
_
PICTORIAL 1-2
.._
___
Page 4 of 5
10-4205/595-2072
591-3025
Page 14
IDENTIFICATION
DRAWING
The
steps performed in
in
this area of the
178: 200
168: 330
1278: 1800
Gry-Blk-Brn).
1158: 510
1148: 220
Solder the
off the excess
17
A:
200
circuit
.n
.n
.n
.n
.n
leads
lead
.n
this
Pictorial are
board.
(Red-Blk-Brn).
(Org-Org-Brn).
(1.8 k). 1% (Brn-
'
/4
~
(Grn-Brn-Brn) .
(Red-Red-Brn).
to
the
foil
and
lengths
.
(Red-Blk-Brn).
--~---~.....:;
cut
PART
NUMBER
CONTINUEO
NOTE:
When a wire
step,
cut
the
brown
specified length.
insulation
2-1/4" Brn
D104B: 1N4149
D103B: 1N4149
R118B: 2700
R126B: 432
Blk).
R125B: 432
Blk).
R124B:
R127 A: 1800
Gry-Blk-Brn).
R123A: 1800
Gry-Blk-Brn).
Sol
der
the
Then
from
each
wire
!l
.0, 1% (Yel-Org-Red-
.0 , 1% (Yel-Org
10
!l
(Brn-Blk-Blk).
.n
!l
the
leads
excess
lead
is called for
wire
remove
in
to
1/4" of
end.
.
diode
(#56-56).
diode
(#56-56).
(Red-Viol-Red).
-R
(1.8 k). 1% (Brn-
'
/'1
~
(1
.8 k), 1% (Brn-
'/~
~
to the foil
and
lengths.
IDENTIFIC
DRAWl
a
the
ed-
cut
R116A: 330
NOTE:
a step,
the
specified l
1"
R125A: 432
When a bar
remove
bare wire.
!l
all
ength
.0 , 1% (Yel-Org-Red-
Blk).
R126A : 432
.0, 1% (Yel-Org-Red-
Blk).
R115A : 510
R114A: 220
R113A : 220
Sol
der
the
.n
.n
!l
leads to
off the excess lead lengths.
0
I 1 ( 8 I
iifljiill)
0
y.
.e
Yo
3~ 8
1
~(8
I
I
(CM) 2
:y.
I
1;
8 1
I
(Org-Org-Brn).
e wire is
the
insulation
of
brown
called
(Grn-Brn-Brn).
(Red-Red-Brn).
(Red-Red-Brn).
the
foil
1
(I
N C HIES)
I
I
I I
I
I
I
4
3
for
from
wire.
and
in
cut
c=:>
r-----l
I I
: I
I I
I I
I I
I
I
I
I
I
PICTORIAL 1-3
2
I
I
e
I
I
I
I
I
8
3
I
I
I
I
I
I
7
I
I
I
I
I
I
8
"
I I
4
I
I I
I
I
10
I
I
I
I
I
,
12
R122A: 2700
R136A: 470
nP
, n r
n<>
the
off
5
I
I
I I
I
I
I
13 14 18
r
the leads
excess
I
I
I I I
I
I I
!l
(Red-Viol-Red).
.n
(Yel-Viol-Brn).
to
the
foil
lead
lengths.
6
I
I
18
and
I I
cut
7
I
I
I
17
The
ste
ps
in
this area of
R136B: 470
performed
the
in
this Pictorial are
circuit
0 (Yel-Viol-Brn).
board.
IDENTIFICATION
DRAWING
: 82 0 (Gry-Red-Blk).
1000
Page
0 (Brn-Blk-Red).
15
R137B: 1800
1000
1800
0 (Brn -Gry-Red).
0 (Brn-Blk-Red).
0 (Brn-Gry-Red).
82
R154A: 10
0 (Gry-Red-Blk).
0 (Brn-Blk-Blk).
Solder
off
the
the
leads
excess lead
to
the
foil
lengths
and
.
cut
PICTORIAL 1-4
22
R147A:
Solder the leads to
off
0 (Red-Red-Blk).
the
excess lead l
the
foil
engths.
and
cut
Page
16
The
in
steps
this
performed
area of
in
the
circuit board.
this Pictorial are
PART
NUMBER
R154B: 10
k!l
(Brn-Blk-Org).
1
fi
(Brn-Blk-Brn).
100
: 100
n (Brn-Blk-Brn).
Solder the leads to
off the excess lead lengths.
R146A: 1000
149A: 1000
R155A: 1200
the
foil
fi
(Brn-Blk-Red).
n (Brn-Blk-Red).
fi
[Brn-Red-Red).
and
cut
R187: 1000
D111B: 1N4149
R159B: 10
;Y
Solder
the
off
the
excess lead lengths.
fi
(Brn-Blk-Red).
diode
(#56-56).
n (Brn-Blk-Blk).
leads
to
the
foil
and
cut
./
J
R151A: 39
R154A: 10
the
Solder
off
the
excess
fi
(Org-Wht-Blk).
k!l
(Brn-Blk-Org).
leads
to
the
lead
lengths
foil
and
.
cut
PICTORIAL 1-5
Solder
off
the
the
leads to
excess lead
( Wt"S}
the
foil
lengths
and
.
cut
IDENTIFICATION
DRAWING
Page 17
PART
NUMBER
D113: GD510
( ,..YR192: 1000
,)--
R186: 1000 n (Brn-Blk-Red).
(
(
vJ'
R188: 1000 n (Brn-Blk-Red).
R185: 1000
diode
n (Brn-Blk-Red).
n (Brn-Blk-Red).
--------~----~-
~-;-~---
(#56-89).
The
steps performed
in
this area of
in
the
this Pictorial are
circuit
board.
: 2.7 n (Red-Viol-Gold).
n (Red-Viol-Gold).
: 2.7
79
: 2.7 n (Red-Viol-Gold).
O
I
l i
Q ·
1[8
flj
Solder
off
Solder
off
y.y,•;.
I
•;
lll
ij
5
the
166: 10
the
a I
5[B
I I I '
1
(CM)
the
excess
the
excess
leads
to
the
lead
lengths
n (Brn-Blk-Blk).
n (Brn-Blk-Blk
10
leads
to
the
lead
lengths
1
( I
I
I I I I I I
3
NCHES)
I
7ta
2
foil
foil
I
and
.
).
and
.
cut
cut
: VR10A
9:
l
L.__
__
~
(~Solder
off
the
PICTORIAL
2
I
I
I
I
"
3
I
I
I
I
I
I
I
8
1-6
4
I
I
I
I
I
I
I
9
10
I I
I
I
I
,
I I
5
I
I
I
I
I
12
I
I
I
13
14
22
kn
the
excess
I
leads to
I
diode
(#56-67).
(Red-Red-Org) .
the
foil
lengths
I
I
I
1<0
and
.
lead
I
I
15
6
I
cut
7
I
I
I
I
17
Page
18
The
steps performed in this Pictorial are
in this area of the circuit board.
START•
) Reposition the circuit board as
shown. Solder
as you install each part.
NOTE: When you install
insert the pins
holes.
The
board
must
socket is installed.
the
pins
to
an
into
index mark on
still be visible after
IC
the circuit b.oard
the
......--~
the
foil !DENT! FICA TION
socket,
circuit
the
Q
~
ORA
WING
nc=:>
~I
PART
NUMBER
CONTI
NOTE: When you install a control, insert
the
holes
NU
pins
and
solder them to
into
Ev
the
circuit
the
board
foil.
~
1 ....
~
....
.•
,.;ip'i''>
100 n control (#10-357).
...
in
in
14-pin
IC
socket at
IC
socket at Q102A.
IC
IC
QlOlA.
socket at U102.
socket at U101.
PICTORIAL
1-7
Page
19
When
NOTE:
capacitor,
circuit
board
the
end
each trimmer. All
soldered.
lengths.
'
'
insert
leaves
Then
:4-40
you
its
slots.
to
the
cut
·
' ',
. C
pF
The
steps
thi
s area of
performed
in
install a
end
Solder
foil as
the
off
'\
~~~!~
trimmer
leaves
both
you
leaves
the
excess leaf
SO
LDE
IRCUIT
trimmer
into
the
sid
es of
install
must
be
R
BOARD
(#31-54).
in
the
circuit board
this
L torial are
IDENTIFICATION
DRAWING
PART
NUMBER
:4-40
pFtrimmer(#31-54)
. 5-20
pF
:8
-60
pFtrimmer
:8-60
pF
trimmer
trimmer
(#31-52).
(#31-52).
(#31-
.
---
---
-----1
I
f
1-
-
-
-
~Jo
m
PICTORIAL 1-8
Page 20
NOTE:
When
each
of the following
its flat
with
the
leads into
holes. Position
above the board.
to
the
foil
lengths.
and
you install a
the
flat
on
their
correct
the
Then
cut
off
transistor
nine
steps,
board
E,
excess
. Insert
B,
and
the
align
leads
lead
the
transistor 1/4"
solder
the
IDENTIFICATION
DRAWING
in
C
The
in
this
steps
area of
performed
the
circuit
in
this
NUMBER
Pictorial are
board.
PART
CONTINUEO
NOTE:
In
the
following four steps, in-
stall
each
of
the
transistors as follows:
1. Refer to
2.
3.
Turn
4.
der
off the excess
the
below
and
C leads of
Insert
the
the
corresponding
holes
in
the
Position
mately 1/
board
.
the
the
leads
illustration
identify
the
transistor leads
circuit
the
transistor approxi-
4"
above
circuit
to
example
theE
transistor.
board over, sol-
the
lead
, B,
E,
B,
board.
the
circuit
foil,
and
lengths.
WI
and
and
into
C
cut
DE
t;:~
( )
Q103A:
(#417-801) .
[
VJ
Q107A:
(#417-235).
-/)'
Q106A:
(
(#417-235) .
Q109A: 2N4121
[#417-235).
Q108A: 2N4121
(#417-235).
Q111A:
( V
(#417-293).
112A:. 2N5770
#417-293).
( vl Q114: SE6020
237).
.
;&l
MPSA20
2N4121
2N4121
2N5770
SE6020
transistor
transistor
transistor
transistor
transistor
transistor
transistor
transistor
transistor
(#417-
(#417-
-II
CJjE
B E
WI
DE
[
")
Q104A:
[#
(
+
,17-260).
2N4248
transistor
transistor
PICTORIAL 1-9
[
(
IDENTIFICATION
DRAWING
Page
21
Q105B: 2N4258
(#417-
260).
transistor
transistor
The steps
in thi s area of the circ
performe
d in thi s Pi ctorial are
uit
NUMBER
board.
CONTINUE
AR
T
P
NOTE:
When
each
of
its flat
the
leads
holes.
abo
ve
to th
e foil
lengths
Q103B: MPSA
(#417-801).
you
the
following
with
the
into
their
Position
the
board. Then sol
and
.
(~06B:
(#417-235).
(
~
109B:
(#417-235).
Q111
B:
(#417-293).
v
install a transistor
nine
steps, align
flat
on
the
board. Insert
correct
the
cut
2N4121
2N4121
2N5770
E, B,
transistor 1/4"
der
off
the
excess
20
transistor
transistor
transistor
transistor
transistor
the
and
leads
lead
in
C
PICTORIAL 1-10
~
112B
(#417
(
'1"'
Q108
(#417-235).
Q117: MPSA20
801).
V Q118: MPSA20
801).
:
-293) .
B:
2N5770
2N41
transistor
21
transistor
transistor
transistor
(#417-
(#417
-
Page 22
The
steps perform
in
this area of the
ed
in this Pictorial are
circuit
board.
NUMBER
PART
C109B: .
C105B: 330
NOTE: When you install electrolytic
capacitors, always
(
+)
mark
positive (
match
OR
capacitor
the
circuit board.
01
C105A: 330
C107 A: .005
off
the
excess
ClOBA: .002
on
the
+)
mark
the
minus
with
JJ.F
ceramic.
pF
pF
JA.F
lead
JA.F
match
capacitor
on
the
minus
ceramic.
ceramic.
ceramic.
lengths
ceramic.
the
the
circuit
(-)
mark
(-)
.
positive
with
the
board
on
the
mark on
IDENTIFICATION
DRAWING
I I !
@7/2> I
N
1o~Do
\)I
~8
I I
I
( V)"
Solder
off
the
the
leads to
excess
lead
the
foil
lengths
and
.
cut
PICTORIAL 1-11
Page
23
(
_,{
C116A:
56
( v ) CllBB: 56
C117B:
33
pF
pF
pF
ceramic.
ceramic.
ceramic.
IDENTIFICATION
DRAWING
PART
NUMBER
The
steps performed
thi
in
s area of
in
the
circuit board.
this Pictori al are
Solder
the
leads
to
ILF
pF
ceramic.
ILF
ILF
ILF
leads
the
lengths
ceramic.
ceramic.
ceramic
ceramic.
to
the
( )
9
ff
the
excess lead
( ) C128: .0011J.F ceramic.
(
./
C129: .001
(
t.{
C121: 100
C131: .0033
( ) C135: .005
(
~ C136: .005
( ) C124: .02
(~older
off
ILF ceramic.
the
the
excess lead lengths.
foil
.
foil
and
.
and
cut
cut
PICTORIAL 1-12
Page 24
The
steps performed
in
this area of
in
the
circuit board.
this Pictorial are
IDENTIFICATION
DRAWING
PART
NUMBER
NOTE: When you install a
capacitor, place a 1/4" plastic
over
the
screw
and
insert
its
the
circuit board slots.
into
sides of
the
install each
must
be soldered.
C106A: 80-400
77).
C106B: 80-400
77).
18A: 100
C118B: 100
end
trimmer
leaves to
JLF
JLF
end
Solder
the
foil as you
. All
the
pF
trimmer
pF
trimmer
electrolytic.
electrolytic.
trimmer
spacer
leaves
both
leaves
(#31-
(#31
\:)I
1
~~~--
:==:_...:::::!._~~===;-__J
~--
~~
-
----+-----
~
==~
C119A: 100
C126: 250
C133: 10
Solder
off
Solder
off
ILF
JLF
the
leads to
the
excess lead lengths.
JLF
: 10
4:
10
JLF
7: 250
JLF
2: 10
JLF
the leads to
the
excess
JLF
electrolytic.
electrolytic.
electrolytic.
the
electrolytic.
electrolytic.
electrolytic.
electrolytic.
the
lead
lengths.
foil
foil
and
and
cut
cut
•If-
PICTORIAL 1-13
NOTE
foil
: Solder
and
cut
off
the
the
leads or
excess
pins
lengths
each part as you install it.
When you install a control, be
tight against
circuit board. Do
(
~
and
138B
:
1000 0
perpendicular
not
cut
off
(1
k)
(#10-936).
(
.,....l
143A: 500 0 control (#10-918) .
sure
the
control
to
to
pins
the
it
the
of
is
Page
25
IDENTIFICATION
DRAWING
PART
NUMBER
.
The
steps performed in this Pictorial are
in
thi
s area of
the
circuit board.
(!"'")R.143B: 500 0 control (#10-918).
152B: 200
0 control (#10-917) .
200
0 control (#10-917).
15
kn
, 2-watt (Brn-Grn-
220 0 , 1-watt (Red-Red-
you are
instructed
mount a resistor 3/16" above
board as
3/
for
dered , remove
shown, use a 1" x 1"
16"
card
board (from
. a
spacer
. After
the
cardboard
~
or--
shipping
the
leads
the
CARDBOARD
circuit
piece of
carton)
are sol-
spacer
X 1"
1"
SPACER
to
.
•II-
PICTORIAL 1-14
R178:
board) .
R177:
board).
20000
, 5-watt (3/16" above
20000
, 5-watt (3/16" above
0
I
0
I I
1(8
fl
y.
I
j I I I
.5
%
!S(B
3~8
I
I
')
1
(CM)
"4
1;8
I
I
2 3 5
(INCHES)
1
I I
I
I
I I I I
I I
I
4
I
I
I
I
10
I I
I
I
3
I I
I
I
I
I
I
8
"
2
I
I
"
Page
26
Refer
toPictorial1-15
the
following steps.
NOTE:
circuit
pin 1 end
the
(
( ) Q101B: Install a 5566
(
When
(I
circuit board. See
~
Q101A: Install a 5566
location Q101A .
location Q101B.
-1
Q102A: Install a 5566
location Q102A.
C)
of
in
you
the
the
(Illustration Booklet, Page
install a transistor
following steps,
transistor
or
Detail1-15A.
( j Q102B: Install a 5566
/ location Q102B.
( ) U102: Install a
I U102.
7472Ic:;
or
integrated
be
sure
to
match
IC
to
the
index
transistor ( #417
transistor
transistor
transistor ( #417
(#443-4)
(#417-902)
(#417-902) at
at
3)
for
the
mark
on
-902)
at
at
-902)
ar
location
2.
Fit
the
pins
of
into
control
down
turn
the
end
these
against
If
they
the
switch
all
the
foil.
rotary
you
step, cut
length
their
switch
and
time,
and
switch
3. Carefully
only
spect
are
tight
board.
push
solder
to
the
(
'-')
/ SW2A - R3A: In
other
(#63-1316) at its location
the
When
next
end
.
NOTE:
in
indicated
each
each
switch
board
holes
pins
are
in
tight
against
the
circuit
pins
of each wafer
pins
the
printed
are not,
remaining
switch
are
reheat
tight
against
the
same
with
instructed
the
specified color
remove 1/4" of
wafer,
place.
the
board
to
make
switch
manner,
5000 0
on
to
one
until
all
Then
circuit
over
to
sure
side
of
the
connection
the
and
(5
the
circuit
prepare
insulation
wafer at a
the
push
board.
and
the
foil. In-
all
the
the
board.
control
install
k)
control
board.
wires, as
wire
switch
the
solder
pins
circuit
and
Then
pins
the
to
the
from
(
~
U101:
U101.
(
SW2B-
/
rotary
1316)
circuit
1. Carefully
with
Install a 7400
switch
at
board
their
IC
R3B: Refer to
with
5000 0
its
location
as follows:
align
the
pins
holes
in
the
SMALL
(#443-1) at
Detail1
on
the
of
circuit
5B
(5
k)
printed
the
front wafer
board.
location
and
mount
control
side
(#63-
of
the
(A)
DOT
a
·~~~~
ulf)~
PIN1 PIN1
~
PIN
Detail1-15A
Prepare
are
RIDGE
listed
the
in
3"
2"
NOTCH ___
~~
PIN
1
following
the
3"
2-1/4"
0{1
pIN
1
~
order
.
brown
they
--
~
wires.
The
will be used.
<
~~
wires
Page
27
I§~
f§fifi*U*FP
NOTES:
1.
When
board, always
after
in
2.
solder
later.
means
number
wires are
3.
When you
sure
directly above
capacitors, as
justed later.
j
Connect a 3"
( )
(S-1)
tion
the
spacer
you
connect a wire
cut
the
connection
the
following steps, (NS)
because
"S-"
to
other
with a number,
solder
following
at
the
connection.
wire
to
no
wires or
components
the
these
Brn
wire
to
switch
on
wire
the
SW2A
between
switch.
off
the
excess
is soldered.
wires
the
connection.
the
"S"
tells
the
rotary
screws
in
trimmers
from
circuit
wafer A lug
the
shaft
to
the
circuit
lead
length
means
will
such
not
be
added
as (S-3),
how
switches,
are
positioned
the
trimmer
must
be
board
hole
9 (NS). Posi-
and
indicated
to
The
many
be
ad-
A
C
v(
Connect a 2"
A2 (S-1) to
(J Place a 1/2"
0 , 1/2-watt (Org-Org-Blk)
33
/)['
R2A:
tween
switch
length
Connect
wafer A
(S-1).
(
~
R106A: Connect a 33
5%
resistor from
in
the
circuit
B
lug
9 (S-1).
(
~
onnect
CC
Position
indicated
V )
Connect
hole
(S-1).
the
~
33
(~B:
tween
~
S-1).
(
v('
R106B: Connect a 33
5%
on
B
(
~
a
3"
(S-1) to
switch
the
spacer
a 2-1/4" Brn
B2
(S-1) to
Position
indicated
/2"
length
0,
1/2-watt (Org-Org-Blk)
Connect
wafer A lug
resistor from
the
circuit
lug
9 (S-1).
t
the
circuit
Brn
wire
from circuit
SW2A wafer A lug 8 (S-1).
of sleeving
on
5%
this
lug
the
board
Brn
wire
resistor to
9 (NS)
0,
indicated
(S-1) to
switch
and
wafer B
1/2-watt (Org-Org-Blk)
resistor
switch
from circuit
SW2B wafer A
wire
between
on
switch
the
wire
spacer
of sleeving
the
on
the
shaft
switch.
wire
from
SW2B wafer A
between
the
the
switch.
on
each
5%
this
the
board
board
resistor ! o
9~')
0,
indicated
(S-1) to
aside
switch
and
wafer B
1/2-watt (Org-Org-Blk)
resistor
switch
temporarily
board
hole
each
lead
of a
resistor.
SW2A be-
lug
outline
SW2A wafer
board
lug
circuit
hole
9 (NS).
and
board
the
lug
shaft
and
lead
of a
resistor.
SW2B be-
lug
outline
SW2B wafer
.
8
8
8
Q .5 1
(C
M ) 2
'II
7
I
17
(INCHES)
'I
I I
II,
3
2
. I '
I
·,
I
I '
s
"
3
' I .
'I
4
, I ,
I I
8
' I
I I'
I
10
9
I, ' I'
11
5
'• I I
12 13
6
I I
I ' I
I''
,.
I '
I
1tl
1S
Page
28
Refer to Pictorial 1-16 for
~
(
Locate
shown.
the
switch
I SW1A: Install a DP3T
location
x 1/4"
stalled
( .;{ SW1B:
3-position
switch
NOTE:
refers
use
hardware,"
screw,
Refer
number
install
nished
start
The
to
to
mount
one
to
the
with
them
SW1A
flat head screws.
either
In
the
slide
bracket.
term
"hardware"
the
screws,
parts.
for example,
or
more
the
Detail called
of
lockwashers
hardware. Use
the
kit
on
screws.
in
the
way.
same
switch
nuts,
The
#4
lockwashers
to
to
pick
the
following steps.
bracket
3-position
switch
The
manner,
at
location
in
the
and
lockwashers
phrase
means
out
in
use
the
up
to
the
and
plastic
#4
and
position
slide
bracket. Use 6-32
switch
install
SW1B
following
"Use
4-40 x 1/4"
use
a 4-40 x 1/4"
and
a 4-40
step
for
the
correct
nut
and
#6
it
switch
can
be
a DP3T
in
steps
you
will
nut.
the
correct
way
starter fur-
nuts
and
as
at
in-
the
to
switch
switch
Now
against
drawing
J1
: Install a BNC
switch
furnished
J2:
(
~
Refer to
the
( J)
-
~
In
at
location
Refer
bend
shown.
Pictorial1-17
following steps.
Prepare
Remove
from
bracket.
with
4-40 x 1/4" flat
bend
the
switch
the
bend
#1
on
bracket. Use
with
the
same
J2
in
to
inset
drawing
the
indicated
two
2"
an
extra 1/2" (total 3/4") of
one
end
of
Secure
in
Pictorial1-16.
connector
the
manner,
the
(Illustration Booklet, Page
brown
both
the
tab,
that
the
switch
at
the
lockwasher
connector
install
switch
#2
on
lugs
on
wires.
2"
brown
other
tab of
head
hardware.
is
in
the
bracket.
location
and
a BNC
bracket.
Pictorial1-16
switch
See
a 3/8" spacer.
connector
insulation
wires.
the
slot, flat
inset
J1
in
the
and
nut
and
SW3 as
4)
for
SW3:
switch
Push
into
either
the
tab of a DP4T
slot
at
location
4-position
SW3
slide
in
the
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