Collins 30L-l Instruction Book

Cedar Rapids Division I Co//ins Radio Company, Cedar Rapids, /owa

Collins

Amateur

Equipment

Guarantee

The

Collins

Amateur

Equ i

pm

nt

esc

r i

bed

he r ein

is

sold

under

the

follo

wing

guarantee

:

Collins

agrees

to

repair

I'

r

eplace

, wit hout

charge,

any

equipment,

parts,

or a

cesso

r ie ' whi c h

are

defective

as

to

workmanshi

p a

i'

mate

rials

and

which

are

returned

to

Collins

at its factor y or

Its

designated

Service

Agency,

tran

por tatio n prepa

id,

provided:

(a)

Buyer

presents

properly

executed

Wana

ty

Verification

Certificate,

(b)

Notice

of

the claimed

defeet

is

gi ven Co

llins

or

an

authorized

Servi

ce Acrency, or

an

authori

zed

Distributor,

in

writing;,

within

180 days from

the

date

of

purchase

and

goo

ds

are r tur

ned in

accordance

with

Collins

instructi

ons

,

(c)

Equipment,

accessories,

tubes,

and

batterl

es

not

manufactured

by

Collins

or from

Coll

ins

designs

are

subject

to only such

adjustments

as

Collins

may

obtain from th

supp

li r he r eof.

(d) Any

failure

due to

use

of e

quipm

ent

for

purposes

other

than

tho

s e

contemplated

in

normal

amateur

operati.

on

or in ViolatIOn

of

Collins

applicable

Instru

cti

on

k

shall

nOl

be

deemed a defect

within

the

mean

'ng of

these

provisions.

Thi

Warranty

is

void

with

respect

to

equipment

which

is

altered,

modified

or

repaired

by

other

than

Co lli

ns

or

Collins

Authorized

Service

Agencies.

How-

eve

r, alterati

on

or

modification

in

accordance

with

C

lli

ns e rvic e Bulletins

shall

not

affect

this

Warranty.

o

llins

reserves

the

right

to

make

any

change

in

design

o r to

make

additions

to,

or

improvements

in,

Collins roducts

without

imposing

any

obligations

upon

Collin to

install

them

in

previously

manufactured

Co

lli

ns

pro

ducts

.

No

other

warranties,

expressed

or

implied,

shall

be

applicable

to

said

equipment,

and

the

foregoing

s ha

ll constitute

the

Buyer's

sole

right

and

remedy

under

the

agreements

contained

in

these

paragraphs.

It

no

event shall

Collins

have

any

liability

for

con-

sequential

damages,

or

for

loss,

damage

or

expense

di

l' ctly or

indirectly

ariSing

from

the

use

of

the

pr odu

cts,

or

any

inability

to

use

them

either

separately

or il combination

with

other

equipment

or

materials

or fro m any

other

cause.

1\

TIC

E:

With

each

equipment

or

set

of

equipments

purchased,

the

distributor

should

furnish

a

Warranty

Verification

Certificate.

It

is

necessary

that

this

certificate

accompany

the

equipment

when

it

is

returned

for

warranty

repairs.

Be

sure

that

you

receive

~

from

your

distributor.

~

T

arrant)"

Repail's

On

the

opposite pao'e

are

li ted

[e

e1' i

ce

AgenCies

authorized

to pe

rform war r

an y repair

on

Collins

Amateur

Equipments.

If

you

Should

wish

to

retur

n material or

equipment

direct

to

Collins

under the

guarantee

, you

hould

no lfy

Collins,

giving'

full

particular

s i

nelu ing

the

deta

il

listed

below,

insofar

as

applicabl

e .

If

the nem

I.

thought

to be

defective,

such

noti

e mu

st

gi e fu

ll

information

as

to

nature

of

defe

ct

and iden

tificat

IOn

(including

part

number

if

possibl

e) of pa

rt

cons

ider d

defecti

ve.

Upon

receipt

of

such

notice, Coll

ins

will

promptly

advise

you

respecting

the

return.

Failure

to

secure

our

advice

prior

to

the

forwardi

ng of the

goods

or

failure

to

provide

full

particulars

may

cause

unnecessary

delay

in

handling

of

your

returned

merchandise.

. DDRESS:
Co

llins

Radio

Company

Am

ate

ur

Product

Office

Ceda r

Rapids,

Iowa

INFORMATION

NEEDED:

(A)

Type

number,

name

and

serial

number

of

equipment

(B)

Date

of

delivery

of

equipment

(C)

Date

placed

in

service

(D)

Number

of

hours

of

service

(E)

Nature

of

trouble

(F)

Cause

of

trouble

if known

(G)

Name

of

distributor

from

whom

the

equip-

ment

was

purchased.

Equipment

returned

to

the

Service

Agency

or

Collins

for

warranty

repair

must

be

accompanied

with

the

Warranty

Verification

Certificate.

Out-of-warranty

Repair,

Modifications,

Addition

of

Accessories,

AJignmen~

etc,

For

information

on

service

of

this

type

write

to

the

address

shown

below.

If

you

wish

to

return

your

equipment

for

repairs,

etc.,

without

prior

correspond-

ence,

be

sure

to

include

the

following

information

attached

to

the

equipment

inSide the

packing

carton:

(1)

Complete

instructions

performed.

(2)

Your

return

address.

(3)

Method

of

shipment

by

should

be

returned.

(4)

Special

instructions.

detailing

work

to be

which

the

equipment

DffiECT

YOUR

CORRESPONDENCE

TO:

Collins

Radio

Company

Product

Support

DiviSion

Cedar

Rapids,

Iowa

HOW

TO

ORDER

REPLACEMENT

PARTS:

When

ordering

replacement

parts,

please

furnish

the

following

information

insofar

as

applica

ble:

INFORMATION

NEEDED:

(A)

Quantity

required

(B)

Collins

part

number

'(9

or

10

digit

number)

and

description

(C)

Item

or

symbol

number

obtained

from

parts

list

or

schematic

(D)

Collins

type

number,

name

and

serial

number

of

principal

equipment

(E) Unit

subassembly

number

(where

applicable)

15

March

1965

523-0122000-007311

7th

Edit

ion,

15

February 1965

~

COLLINS

~

instruction

book

30L-l

R-F Linear Amplifier

©Colli

ns

Radio

Company

196/,

1962,

1964. 1"65

Cedar Rapids

Division

I Collins Radio Company, Cedar Rapids, Iowa

P

lll\lrd

In

U.

S.

A

Table

or C

ontents

TABLE

OF

CONTENTS

Section

Page

INSTALLATION .

..

1-1

1.1

Unpacking

1-1

1.2

Power

Transformer

Connections.

1-1

1.3

Cabling

.....•.

1-1

1.3.1

Traveling

station.

• . . . .

1-1

1.3.2

Home

Station.

. . . • . . .

1-1

1.3.3

KWM-1

Serial

Numbers

Above 861

1-5

1.3.4

KWM-1

Serial

Numbers

Below 861

1-5

1.4

Installation

with

Other

Makes

of

Exciters

1-5

II

OPERATION

............

. 2-1

2.1

Operation

in

Amateur

Bands

.

2-1

2.2

Operation

with

Other

Makes

of

Exciters.

2-1

2.3

Operation

Outside

Amateur

Bands

2-1

III

PRINCIPLES OF OPERATION

3-1

3.1

General

....

3-1

3.2

Input

Circuits

.

3 -1

3.3

Output

Circuits.

3-1

3.4

Power

Supply

Circuits

3-1

3.5

Saiety

Interlock

Circuits.

3-1

3.6

Power

Control

Circuits

3-1

3.7

ALC

Circuits

3-1

3.8

Metering

Circuits.

3-2

IV

MAINTENANCE . .

4 -1

4.1

General

4-1

4.2

Removal

of

Cabinet

and

Covers

4-1

4.3

Blower

Lubrication.

. . . . .

4-1

4.4

Alignment

of

R-F

Input

Circuits

4

-1

4.5

Meter

Lamp

Replacement

4-2

4.6

Tube

Replacement

. . . .

4-2

4.7

Tune

Meter

Adjustment

. .

4-2

4.8

ALC

Threshold

Adjustment

4-3

v

SPECIFICATIONS

5-1

VI

PARTS

LIST

6-1

VII

ILLUSTRATIONS

7-1

List

of

Illustrations

List

of

Tables

LIST

OF

ILLUSTRATIONS

Figure

Page

1-1

Interconnections

with

KWM-2/

2A

Traveling

Station

(C724-06-5).

1-0

1-2

Interconnections

with

KWM-2/

2A

Home

Station

(C724-04-5).

1-2

1-3

Interconnections

with

KWM-l

(C724-05-5).

1-3

1-4

Interconnections

with

S-Line

(C724-07-5).

1-4

2-1

30L-l

Operating

Controls

(C724-0B-P)

..

2-0

3-1

30L-l

Block

Diagram

(C724-02-4)

. . . .

3-0

3

-2

Control

and

Interlock

Circuits

(C724-03-4)

3-2

4-1

Location

of

Adjustments

(C724-10-P)

. . .

...

4-1

6-1

R-F

and

Power

Supply

Compartments,

Parts

Location

(C724-12-P)

6-0

6

-2

Input

Circuitry,

Parts

Location

(C724-11-P)

.

6-3

'7

-1

Connector

Assembly

Instructions

(C724-14-X)

7-1

'7

-2

30L-l

Schematic

Diagram

(C724-01-6)

...

7-3

LIST

OF

TABLES

Ta

ble

Page

1-1

Equipment

Furnished

with

30L-1

1-1

2-1

Multimeter

Scale

Values

. . . .

2-1

4-1

Frequency

Coverage

Allowable

by

Realignment

4-2

ii

SECTION

I

Installation

RG-5BC/U

RF

EXTENSION

CABLE

30L-1

LINEAR

AMPLI

F IER REAR

~

ANT. RELAY

~

RF

INPUT

@

ALC

RF

OUTPUT

::+

RG-8/U

TO

ANTENNA

NOTES

:

1

TOP

G~D

FI

F2

~~

0 0

SEE

NOTE

5

~

I.

HEADPHONES

AND

MICROPHONE

CONNECT

TO

APPROPRIATE

JACKS

ON

FRONT

OF

KWM-2

.

2. POWER

CONNECTORS

ON

KWM

-2

AND

PM-

2

PUSH

TOGETHER

WHEN

THE

TWO

UNITS

ARE

CLAMPED

TOGETHER.

3.

ALL

LEADS

CONNECTED

TO PHONO

JACKS

AT

REAR

OF

KWM-2

ARE

BROUGHT

DOWN

THRU

CHANNEL

BETWEEN

KWM-2

AND

PM-2

AND

OUT

BENEATH

PM-2.

4.

AC

CORD

AND

PLUG

WITH

3RD

WIRE

GROUND .

IF

ADAPTER

IS

USED,

CONNECT

GREEN

WIRE

TO GROUND.

5.

CONNECT

TO

EARTH

GROUND.

I

,-,

'-'

USED

WITH

PM-2

SEE

NOTE

I

KWM-212A

TRANSCEIVER

I

0

.

R

FOt,.

W

~Y

508n

:

_:

ANT.

PHONE

REC

'.

NBANT. RELAY

PATCH

ANT

PO

WER

0 0 0

I

1

TOP

I

I

i

SEE

~

NOTE 5

I ,-

TO ANTENNA

SWITCHING RELAYS, IF

I '-'

I

I

I

L----

-----i-'-i-'

-------+

TO

KEY

'-'

SEE

NOTE

3

N~~~

2 I

I

I

I

I

I

I

I

@

SPEAKER

LEAD

PM-2

POWER

SUPPLY

BOTTOM

FRONT

BOTTOM

REAR

~

r

oo

FUSES

~

SEE

NOTE 5

~

II01220VAC

~

IIO/220V

AC

USED

~

SEE

NOTE

4

~

SEE

NOTE

4

Figure

1-1.

Interconnections

with KWM-2/

2A

Traveling

Station

1-0

SECTION

I

Installation

SECTION I

INSTALLATION

.1

UNPACKING.

elully

lift

the

amplifier

out

of

the

packing

mate

rial.

i

ne

for

visible

damag

e .

If

the

amplifier

has

been

ged in

shipment,

save

box

and

packing

material,

no

tify

the

transportation

company.

Fill

out

and

he

equipment

registration

card.

Lift

the

amplifier

cabinet

lid. Loosen

the ten

screws

in

the

r-f

compartment

cover,

slide

it

forward,

and

lift

off.

Remove

the

packing

material

around

the

tubes.

Replace

the

cover,

and

tighten Screws.

Lower

the

lid.

Check

tuning

controls

and

switches

for

freedom

of

action.

Check

the

equipment

included

with

the

ampli-

fier

against

table

1-1.

TABLE

1-1.

EQUIPMENT

FURNISHED WITH

30L-1

Q

UANTITY

2

DESCRIPTION

Shielded

cab

les , 4

feet

lon

g,

with

phono

plug

on

each

end

FUNCTION

Alc

and

antenna

relay

cables

PART

NUMBER

426-2027-00

1

RG-58C

/ U

cable, 4 feet

long.

with

phono

plug

on

each

end

R-f

input

cable

426-5076-00

6

Fuses,

8-ampere

Spares

264-411

0-00

1

A-c

power

plug

adapter

A-c

power

368-0138-00

1

UG-21D

/ U

coaxial plug

R-f

output

connector

357-9261-00

1

Number 6 Bristo

wrench

Knob

removal

024-9730-00

1

Number 8 Bristo

wrench

Knob

removal

024-0019-00

1

Coaxial

plug

(Amphenol

type

82-835)

Right-angle

cable

plug

357-9113-00

1

Instruction

book

Instruction

book

523-0122-00

1

Log

book

Station

log

523-0755-820

1.2

POWER TRANSFORMER CONNECTIONS.

The

30L-1

is

shipped

with

the

transformer

primary

co

nnected

for

115

volts

a-c.

If

230-volt

a-c

operation

is

planned,

the

primary

connections

must

be

changed

on

e

rminal

board

TB1.

Refer

to

figure 7-2.

This

board

is loca

ted

at

the

bottom

of

the

power

supply

compart-

ment.

The

a-c

power

cord

is

connected

to

this

board.

To

obtain

access,

refer

to

paragraph

4.2.

WARNING

I

DO

NOT

BLOCK

INTERLOCK

SWITCHES.

Dangerous

voltages

are

present

in

this

equip-

ment.

The

high

voltage

is

interlocked

with

the

amplifier

covers.

Make

no

attempt

to

put

the

amplifier

into

service

until

all

compartment

covers

are

in

place.

1.3

CABLING.

Interconnections

with

other

station

equipments

are

described

in

the

following

paragraphs.

Assembly

instructions

for

type N connectors,

such

as

the

UG-

21D/

U,

are

shown

in

figure

7:'1.

1.3.1

TRAVELING

STATION.

The

30

L-1

is

particularly

applicab

le

to

traveling sta-

tion

use

in

conjunction

with

portable

transceivers

such

as

the

KWM-2

/ 2A.

Refer

to

figure

1-1.

IN THIS

SERV

ICE.

MAKE SURE

THE

TRANSFORMRR PRI-

MARY

IS

CONNECTED

FOR

PROPEB

LINE

VOLTAGE

.

1.3.2

HOME

STATION.

Connect

to KWM-2/ 2A,

KWM-1,

or S-Line

as

shown

in

figures

1-2, 1-3,

and

1-4.

1-1

SECTION

I

Installation

, ,

30L-1

ANT.

RELAY

-@

RF INPUT

~ALC

CV

RF

OUTPUT

RG-S/U

CAUT I

ON

BE SURE

KWM-2

IS PLUGGED

INTO

516F-2

BEFORE PLUGGING

5

16F-2

INTO

AC

LINE.

',.I

RG-5SC/U

GND

F I

F2

~

0 0

SEE NOTE 6

~

I.,!

516F-2

'-'

SHIELDED

WIRES

,-,

-

SEE NOTE I

KWM-2

EX~

POWER

I

SEE

NOTE

~

~

RF

r7

n

K~Y50~

[: °

_6..

;~

ALC

SPARE

EXT

RCVR

PA

-

OUT

ANT.

PHONE

REC

PTT

CONV6V{~CMUTE

DISABLE

NBANT

RE~

P

ATCH

ANT

POWER

° °

9

co

· 0 °

ANTSW

I: :

I

,-

,

, ,

""O"RG-5S

/U

I

RG-S

/ U

~

qDIRECTIO

NALP.

_~_

COUPLER

6

.~

V

TO

50

OHM

ANT.

(

PWR)

312B-5

E

X~FC

(OSCSIG)

AC

SEE NOTE I

D--

r

OUT

O .

.?

IN 4

0

n

~jfPHONE

ANTI-VOXAUDIO

IN

LI NE

VOX

BAL PHONE

(5)

pr,.A~CH

Q

OUT

[

ooooo[

NOTES '

"

TWISTED

PAIR

P HONE

FUSE

0

(!)

I CONNECT

HEADPHONES

AND MICROPHONE

TO

AP

JAC

KS · ON

FR ONT

OF

KWM-2

.

4

I

IOV

AC

SEE NOTE B

I

IOll20V

AC

SEE

NOTE

S

2.

USE ONLY WITH 2 AND 6 ME

TE R CONVERTERS

'275VDC

PRESENT

HEREL

3.

EXTERNAL

RECEIVER

MUTING

.

4.

CABLE

TO

ANTENNA-SWITCHING

RELAYS

(IF

US

EDI.

5.

USE ONLY

WITH

2 AND 6

METER

CONVERTERS.

6 .

CO

NNECT

TO

EARTH

GROUND.

7.

EXTERNAL

VFO

POWER

CABLE

PLUGS

INTO

JI7

CH

ASSIS.

B.

AC

CORD

AND PLUG

WITH

3RD

WIRE

GROUND. IF ADAPTER

IS

USED,CONNECT

GREEN

WIRE

TO GROUND.

,

SEE NOTE 5

SEE NOTE 3
SEE NOTE 2

SEE NOTE 4

LINE

PROPR lATE

(CAUTION

I

ON

KWM-2

Figure

1-2.

Interconnections

with

KWM-2/2A

Home

Station

1-2

SECTION

I

Insta

lla

tion

o

RG

8/U

TO

SO

OHM

ANT

.

KWM-I

SEE

NOTE I

30L-1

LINEAR

AMPLIFIER

~

ANT.

RELAY

~

RF

INPUT

J6 J7

~

GND FI

F2

~

RF

OUTPUT

[j]

[41:

o 0

'--A----<-

TO

KEY

EARTH

GROUND

~

RG-58

C1U

.

500

OHM

INPUT

FROM PHONE PATCH

IiF

USEDI

~

~

II

Q

~

500

OHM

OUTPUT

TO PHONE PATCH

(IF

USED)

~

I 4

OHM

SPEAKER

1I0/220V AC
SEE NOTE 4

~

P4

/ Q ) TO

AUXILIARY

RECEIVER

(IF

USED)

RG-S8/U

(SHORT

COAX)

,,~

_____

ADD

THIS

BREAKOUT WIRE TO CABLE IF

KWM-I

SERIAL

NUMBER

IS

BELOW 861. SEE NOTE 3 AND

DETAIL

A.

SEE

~

N0

TE

-3

CAU

TION (SEE NOTE S)

TO ANT.

RELAY

2

JACK

ON

30L-1

10K

j PHONO PLUG

KWM-I

TBI-8

J5-20

sw

POWER

C

ABLE

9

C206

I 10K OHMS

IOMA

=

COIL

RELAY

NOTES

'

COLLINS

PIN

9721 34600

I.

CONNECT

HEADPHONES

TO

PHONES

JACK,

FRONT

OF

KWM-1.

CONNECT

MICROPHONE

TO MIC

JACK,

KWM-I

FRONT

OF

KWM-I.

DETAIL

A

2.

CA8LE

TO

ANTENNA

SWITCHING

RELA

YS

(IF

USED).

3.

SEE

DETAI

L A FOR

EXTERNAL

RE

LAY

CONNECTIONS

FOR

KWM-I

SWITCHING

OF

30L-1

(KWM-I

SERIAL

NUMBERS

BELOW

8611.

516F-1

POWER SUPPLY

4.

AC

PLUG AND CORD

WITH

3RD

WIRE

(ROUND

PINI

GROUND.

IF

ADAPTER

IS USED,

CONNECT

GREEN

WIRE TO

GROUND.

S . HIGH VOLTAGE

PRE

SENT. EXTERNAL CIRCUITRY SHOULD

BE

ENCLOSED

FOR

PERSONNEL

PROTECTION.

FUSES

~

00

4

IIOV

AC

SEE

NOTE

4

Figure

1-3.

Interconnections

with

KWM-1

1-3