Scott LM 35 Assembly Manual

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Ii. II. Scott

world leader in
amplifiers, tuners,
speakers and kits

H. H. Scott has been a leading manufacturer of superb
high fidelity components since 1946. During this period
Scott has been responsible for the introduction of many
new concepts in both the engineering and design of com-
ponents. H. H. Scott produced the first high fidelity am-
plifier (in the modern sense of the term). Later, Scott
eliminated unsightly wires and tubes by designing the first
flat amplifier . . . bringing high fidelity components from
the workshop to the livingroom. Scott was the first manu-
facturer to introduce a successful Wide-Band FM tuner.
Scott was first to deliver multiplex adaptors that. met the
requirements of the FCC approved transmission system.
Scott was the first to produce modular tuner-amplifier
combinations.

For many years, Scott engineers were investigating the
idea of introducing Scott components in kit form for the
home builder. However, they felt that the kits then on the
market were too uncertain in the hands of amateur kit

builders. The wiring diagrams were extremely complex.

Alignment and balancing required special test equipment.
Kits looked like kits . . . they were unattractive and bulky.

Scott engineers decided to take a brand new approach. J

First of all, new components were developed that were
foolproof for home builders. Circuitry was devised to make
placement of wires and parts less critical. A unique system
of FM tuner alignment (called the Ez-A-Line method)
eliminated the need for special test instruments.

Instruction books were written so that they avoided the
pitfalls common to other kits. They were in full color. Only
a limited number of steps were described per page, and
special Part-Charts were created to hold the parts de-
scribed on each page separately, and in the order used. The
kit builder need know nothing about engineering to suc-
cessfully build Scottkits.

Results have been spectacular. Amateurs who never even
soldered before report that they have built Scottkits that
beat our published specifications in just a few hours. Mag-
azine editors and reviewers tell us our specifications are
much too conservative. Other manufacturers are paying us
the highest compliment of emulating our designs and origi-
nal features.

There is one thing, however, that cannot be copied. The
Scott reputation for quality, integrity and leadership . . .
a reputation hard-won by consistent attention to detail . . .
by continual advance in engineering . . . by imaginative
innovation . . . by a philosophy that states purchase by
the customer marks a beginning . . . not the end." Our best
salesmen are unpaid - our satisfied customers.

Hermon Hosmer Scott . . . Audio Pioneer

Hermon Hosmer Scott is a soft-spoken man, with a down
East accent to which he is entitled . . . We have been grate-
fully aware of him since 1947. He is the man who took the
grit out of Grieg and the scratch out of Scriabin by invent-
ing the Dynaural Noise Suppressor. If you use an H.H.S./-
D.N.S. a 78 sounds as clean as an LP, and an LP sounds as
clean as live FM.

"Scott has received many engineering citations, some for
truly basic work in electronic measurement . . . yet he is
honored and heeded most by his friends on the grounds
of ethics and esthetics. This . . . is reflected in the clear
reliability of his products.

Scott . . . is terribly irritated by imperfections of any kind.
He does not see why an amplifier or a tone arm should be
ugly any more than a 'cello is. To this we owe a revolution
since it was Scott who in 1953 gave us the Model 99 ampli-
fier which did not need to be hidden . . . Everyone now fol-
lows this precedent. but it was Scott who established it,
and the Scott musical gear still looks best of any."

- John M. Conly, Atlantic Monthly

a

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of buss wire inside. The cable itself has a brightly
colored outside insulation.

Conductive Vinyl - This is large hollow tubing,
usually either black or white in color, which has a
hollow tube of conductive material inside. Be-
tween the outer layer of insulation and the inner
layer of conductive material is a single strand of
uninsulated buss wire. When using this cable, it is
important to prevent the inner conductive mate-
rial from becoming exposed and causing a short
circuit. Always keep the outer insulation com-
pletely over it.

Conductive Cable (ESS) This is hollow tubing
with a black or white outer insulation and a spiral
metal shield inside.

Spaghetti - A common name to describe hollow
black insulation material. This tubing is slipped
over bare wires to provide protection.

What to do if you
make a mistake

No matter how careful you may be, it is still
possible to break something accidentally or to cut
a lead too short. We might add that if you work
when tired, try to do too much, too fast, then
the possibility of mishap increases greatly. Never-
theless, it is easy to correct most common errors.
1. Cutting a wire or lead too short- If you cut
the wire from one of the components too short
you can easily correct it by taking a small piece
of uninsulated wire (buss wire) and splicing it on
as shown in Fig. 3. If a wire supplied is damaged,
you can cut off a replacement from the 4 feet of
spare wire supplied.

2. Breaking a terminal strip-The terminal
strips are quite sturdy and will withstand a great
deal of handling. Nevertheless, if you are ex-

CRIMP &

SOLDER \

FIGURE 3

tremely rough, a terminal pin can be broken off.
If this happens, make all connections to the small
hole below the broken pin. Be careful to avoid
having any of the bare wires touch the chassis. If
the phenolic material cracks but does not break
off, you can continue on as the wires themselves
will keep .the broken piece in place.

In the unlikely circumstance that the entire
terminal strip breaks off, it is necessary to replace
it. Write to the Parts Department at the factory
for a replacement. Drill out the rivet holding the
broken strip, using a number 28 drill. Mount the

replacement with a regular 6-32 x 14 machine.

screw, lockwasher, and nut. -

Do not proceed
unless you have

read all the

instructions
given above.

Mechanical
Assembly

Read each step completely before performing
the operation specified. Check off each step as you
complete it.

D Position the front chassis so that it is in

the same position as shown on Fig. 4.
Take the red pilot light and one of the
special clips from the hardware bag. From
the front of the chassis, insert the end
of the pilot light having the two bare
wires through the hole on the extreme left
of the front chassis. From the rear of the
chassis place the clip on the pilot light so
that it bows slightly away from the chas-
sis. (See Figure 4). Push down hard on
the clip until it is down on the light as
far as it will go.

Al-l

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