Heathkit W-5M User Manual

^ X
Connect
a
100 £2
4
watt
resistor
(large
ceramic
body)
from
terminal strip
Q2
(NS)
to
PI
(NS),
"'•'f*.)
Connect
a 100
KS2
1 watt
resistor (medium
body,
brown-black-yellow)
from
Pi
(NS)
to
P2
(S).
-*'(=*«)
Connect
a
100 Kf2
1 watt
resistor
from
H
•
(NS)
to
H4
(NS).
Connect a
100 Kfi
1 watt
resistor
from
H
a
(NS)
to HI (NS).
"**f-.)
Connect
a
100
K£2
1 watt resistor
from
V5-2 (S)
(use
sleeving)
to
H
•
(NS)
(use
sleeving).
)
Connect
a 100
Kf2
1 watt
resistor
from
V5-7
(NS)
(use
sleeving)
to Hi
(S)
(use
sleeving).
)
Connect a 100
KI2
1
watt
resistor
from
V5-7
(NS)
(use
sleeving)
to
Q2
(NS)
(use
sleeving).
( ^
Connect a
20
ju.fd
350 volt
electrolytic
condenser
from
V5-7
(NS)
(use
sleeving)
to
G1 (S)
.
The
positive end of
the
condenser
connects
to
V5-7.
('*-)
Connect
a
20
jufd
350 volt
electrolytic
condenser
from
V5-7
(S)
(use
sleeving)
to
Q2
(S).
The
positive
end
connects
to
Q2.
(
«)
Connect a
40
/ifd
450 volt
electrolytic
condenser
from
Pi
(S)
to
H
a
(S)
(use
sleeving). The
positive end
connects
to Pi.
( )
Connect a
40
jufd
450
volt
electrolytic
condenser
from
P3 (S)
to
H
*
(S).
The
positive
end
connects
to
P3.
(<
)
Connect
a
15KJ2
1
watt
resistor
(medium
body,
brown-green-orange)
from
V5-3
(NS)
to
G
*
(S).
'"t**.)
Connect
a 6.8 Kft 2
watt
resistor
(large
body,
blue-gray-red)
from
V5-3
(NS)
to
G
(NS).
—
f-~)
Connect
a
22KS2
2
watt
resistor
(large
body,
red-red-orange)
from
V5-3 (S)
to
G
a
(S)
(use
sleeving).
"‘f**,)
Connect
a 15
KS2
1
watt
resistor
(
medium
body,
brown-green-orange)
from
V5-5
(S)
(use
sleeving)
to
G
(S)
(use
sleeving).
"“t''*)
Connect
a
100
fifd
50
volt
electrolytic
condenser
from
N2 (S)
to
K1
(NS).
The
positive
lead
connects
to
Kl.
T~
)
Connect
a
100
p.fd
50
volt electrolytic
condenser from
N1 (S)
to
K2
(NS).
The
positive
lead
_
connects to
K2.
*~'
4
t**'”)
Connect
a
270 SI
1/2
watt
resistor (small
body,
red-violet-brown)
from
V4-4
(S)
to
V4-6 (S).
T'*’)
Connect
a
270 S2
1/2
watt
resistor from
V3-4 (S)
to
V3-6 (S).
Connect
a
22 KS2
1/2
watt
resistor (small
body, red-red-orange) from
V4-5 (S)
to
terminal
strip
F2 (NS).
Dress
this
resistor directly over
the body
of
the 270 f2
resistor.
)
Connect a
22KS2
1/2
watt
resistor
from
V3-5
(S)
to
terminal
strip El (NS).
Dress
this
res-
istor
over
the body
of the
270 Q,
resistor.
'"•f.
)
Connect a
330
12 7 watt
resistor
(large
ceramic body)
from
V3-1
(NS)
to
V4-1
(NS).
Dress
the
body
of the
resistor
against
the chassis
between
Spirashield
and twisted
green pair.
T**)
Connect
a
lead
from
V3-1 (S)
to
terminal
strip
J1
(NS).
?5
f
w
')
Similarly,
connect
a
lead
from
V4-1 (S)
to
terminal strip
J6
(NS).
IMPORTANT:
Make sure
that
the last
two leads
installed do
not
touch any
other terminal
or
the chassis.
***(>->
)
Connect a
100 n 2 watt
resistor
(large body,
brown-black-brown)
from
J6
(S)
to
control
D1
(NS).
Cut
the leads so
that
the resistor
body lies
between
the 7
watt
resistor
and
terminal
strip
J.
Connect
a
100
S2
2 watt
resistor
from
J5 (S)
to
control
D3
(NS).
Position
this resistor
in
the
same way
as
in the
step
above.
Using
bare
wire and sleeving,
connect a wire
from
V4-8 (S)
to
terminal
strip Kl
(NS).
Connect a
bare
wire from
V3-8 (S)
to
,T
Bass-Bal"
jack BBl
(NS).
"^**.)
using
bare
wire
and
sleeving,
connect
a
wire
from BBl
(S)
to
terminal
strip
K2
(NS).
'~4
S
»4
Using
bare
wire
and sleeving,
connect
a
wire
from
BB2 (S)
to
terminal
strip Kl
(NS).
Connect a
30 Q,
precision
resistor
(medium
tubular
body)
from
J2
(S)
to Kl
(S).
i
t'''~)
Connect a
30
12
precision resistor from
Jl
(S)
to
K2 (S).
-f-. )
IMPORTANT:
Make
sure
that the last two
resistors
installed
do
not touch
J2, J4,
the mount-
ing
screw
for
J
and
K
or any
other
metallic
part.
Do
not
rely on the
insulating
enamel
of the
resistors
for
protection against
shorts.
"
)
Connect a
100KJ2
1/2
watt
resistor (small body,
brown-black-yellow)
from
D3
(S)to
terminal
E2 (S).
*(**.)
Connect a
100
Kf2
1/2
watt
resistor from Dl
(S)
to
terminal
strip Fl
(S).
^*».)
Recheck
the
two IMPORTANT
steps on this page. The
power
transformer
can
be
perman-
ently damaged
if
these
precautions
are
NOT
taken.
Page
19

Heathkit W-5M Specifications

General

Brand	Heathkit
Model	W-5M
Category	Amplifier
Language	English