Swan TV-2C Service guide

s,N.

7s35

OPERATION

S\^/AN

AND

MAINTENANCE

\.-

MODEL

TV.2C

6t.swAn

-/

305 Af4ort

Rord.

ELECTRONTCS

Cubic CotPoratlon

CA

ol

9rl05a

A subsidiarY

(rc.!ntldo,

'

P{tn

(714)

7gl'75i25

GENERAL

DISCUSSION

Model

Swan

The

the

for

er isoc, is

it.uility i.F.

I.F.

may

In iransceiver a io

fius ii..

Jitf.r"nce

received

Transceivei.

in-i"or the ;;;d, .i

crystal

350,

stindard

tlie

r.nge ranles

be.qu'ite

standard

the

.144

mc.

1a.35

it'does

mc.,'the Transce'iver

the

heterodyned

is

by

144 to

l+4

ana

frequency,

TV-ZC 2 meter 350C,-400;

intermedtite

frequency

and

in the'.|5

be ordered'through

may

easily

model

heierodyned

is

output

frequency

'144.35 as

when

from

Transceiver

the

is tunea

.|44.35

to

fir

being operated

iiiri..iu..-niii"fune

go

*ilr;-will

14.45

irn.t up

A

to

'144.45

to

position

3 Convirston Nffi;iiv,

i,i+.+S

io

iA+ "angei

requir...istal

.or"eiponiingly mc.,

mc.

crystal

rangls.

tf,ii"trift

mc.,

respectivelY.

is a crystal

designed

band

5d0c,

500,

tr6quency,

readout.'Howlver,

m6ter,

modified

TV-2C ifre

Transverter

frequency.

with dhe

of from

mc. In

portion

mi.

tire

as

liO mc.,

higher

SO

'10

for

with

|V-ZC.

tg0 mc.

14 mc.

the

14 to

Transceiver

b€ added

than

the 2

rnetei

selector Thus, be tliree

144.45 to

three

adjacint

l4+.g

injection

controlled

operate

to

5oocx.

and

meter,

a

output

The

same

14.35

other

of

on

or

dealers'

Swan

a different

meter

20

.|30

mc. crystal

the

As

moves

receiving

in

crystal difference

way

mL.,

words,

the 2

meier

is concerned,

rneters.

20

to

'14.35

higher.

range

switch

on

segnents

segments-at

mc.,

frequencies

transmitting

with

(I.F.),

the

meter

6

I.F.,

Transceiver

upward

aS-any.other

it

the

mc.,

For

when

the

of

swan

meter

20

The

since

TV-zc

amateur

when

or

range'

I.F.

14

the

controlled

in

mode,

iontrolled

witt'

band to

It

Transceiver

then

the

frequency,

oe

TV-2C

it tunes

is

the

instance,

using

'IU-ZC the

provides

meter

2

the

ind'144.9

to

130,130.45,

of

receiving

and

Transceivers,

has been

band

it will

is also

bands.

mc

is tuned frequency,

incoming

signal,

14 mc.

monitoring

Transverter

cover

only

dial

provide

available

required,

output

signal

from

alfays-.139

producing a.

or I.F.

signal.

14 to

the

operates

and

necessary

reading.

frequelc.y

Model

the

iniection

mc.

130

selection

for

band.may

end,

low

145.35

fof example:

mc.

and

convert-

Models

chosen

excellent

with

The various

TV-ZC

the

from the

produce

to

up

mc.

14

signal

signa'l

slgnals

simply

fllge-on

500C

at

'.is

As the

coming

converts

14.35 iust

that_the.

If^the

2

Transceiver

will

of

be covered. These

130.9

three

mc.'

250'

its

.|44

Tg:

mc.

go

three

I.F.

.45

I.F. meter

2

irom

on

KC

fiO

I.F.:

range

th6

"itt

across

mc.

will

range

UaiO

28

20

the

wiif

plus

MFTER

15

an

If essentiatly itrcqiieniv Transceiver

alent

mc.

123

METER I.F.:

IO

an

If in. iun"i

350 if,rs,-if

iiO-'ic.

ina

6y-rii.di;g;

in the

t.r.

144

be

t"grenl

result

thui

in'the

will

29.7

to

meters.

Transverte"-t.F. regutt

r..).

29lZ

met6r I.F.

l0

15 meter

with 20

as

minus

15 meter

the

of the

in a

l0 be tuned mc.,0F The Swan

in

an

Thirs,0lirger-p_ortion

2l

2

range

nBter

1700 KC

is on

operating

iange.

amateur

meter

mc.,

band,

meter

amateur

with

band

I.F.,

except

instead_gf

from

band.

of

2l

A

144 to

band crystal

each

as compared

Transceivers

tune

l0 meters,

range

of-144

-In ?act,

preferre!,

is

that

.144

minus

21.45

to crystal

144.45

iniection

mc,

is selected,

frequency,

450

to

l0

the cryglal_iniection

a

by

.|45.7

to

the

of

proper

operation

the crystal

14 mc.

will

mc.

etc

wider-segment.of.

a

Th9

KC on

neter

mc.

rneter

2

selection

will

iniection

Tuning

tune

an

frequency

meter

l0

meters

15

in one range.

band

frequency plus

(l16

band

can

the three

of

be

the. equiv-

of

band

and

of

mc'

28 be

covered

rj

rf

'..q'

crystal covered.

as

does not cover the entire 4 mc. band width, but is segments, the 20 meter I.F. range is designated as standard.

METER

6 When the Swan 250 or

I.F.

entire

injection frequency wi'l'l be

ceiver Since the readout and

FREQUENCY

FREQUENCY MNGE: TRANSMITTER

TMNSMITTER 0UTPUT

frequencies,

However,

good

range

with

as

I.F.:

will be in

2 meter band will be from 50 to 54 mc.,

vernier dia'l

stability will

RANGE:

P0WER

overall stability and frequency

a 20 meter I.F.

0utput: 144-148 MC.

Input: 20 meter

RATING: 240

IMPEDANCE:

entire 2 meter band,

the

Since

250C

Transceiver is

the 6 meter band. The

covered with 144 minus 50 mc., or^ 94 mc. In tuning the

the

operating

on the Transceiver

good.

be

TECHNICAL

ona'l

opti

watts P.E.P. input with sing'le sideband voice

modulation, 180

Power

output

50 to 75

most

generally

freguency will tune from

SPECI

band

standard. 15,

.

in

ohm coaxial cable,

used

one crysta'l

covers

FICATIONS

from 144 to

operating in

recorrnended,

with the

advantage

watts CW TUNE mode:

148 mc.

readout concentrated

in

.5

mc.,

input,

80

will not be

the 2 meter

and

TV-2C Transverter,

in this case

the TV-2C.

(500

'10,

or 6 meter

75

100

to

series

be

may

band

in

small

has been

is

The crystal

.|44

to

freguency

KC),

bands

watts AM

+

watts. tuned

quite

!

the

that the

Trans-

l4B

mc.

input.

link

TRANsMITTER

DIsToRTIoN

pR0Ducrs:oullllS;rrur.ry

RECEIVING CONVERTER: 3 RCA MFIERING: PANEL CONTROLS:

REAR PANEL

ruBE coMpLEMENT: 6JK6

TMNSISTORS:

'P0WER

DIMENSIONS: l3 in.

P.A.

Cathode

P.A. Switch,

Current, 0-400 ma. Re1ative

Tune,

144

CONTR0LS AND CONNECT0RS: P.A.

rnjection o'o.f'lllli i;lffili''itl:l,t;:33'[:{,:l:"[[ilv

Power

8737

RCA

40673

2N706

REQUIREMENTS:

wide,

FET's

Crysta'l

(Normal'ly

both

the Swan Transceiver

Filaments, Medium High Voltage,

Voltage,

Bias 0sc. Relay

Supply

5 I

30

40673

P.A.

mc.

Amp'lifier.

Osc.

Voltage,

/2

FET's

with Noise

Load, Driver Tune, Crystal Transverter

0n-0ff.

Bias Adjust,

Relay

in

Rec. R.F.

2N706 Freq. Mul

,

supp'lied by

12.6

volts

275 volts 800 vo'lts ll0

Voltage, l0

Voltage, 12

in. high,

Contro'l Jack, I.F. Output Jack,

CASCADE,

ti

Swan l17XC

and the

AC

volts

'll

in.

DC,

or

DC, ]20 Ma. DC, 240 Ma. negative volts

volts

deep. Weight,

db. berow rated output.

Figure less

0utput,

than 0-.|0. Selector,

Power

RCA 40673

'ier.

p'l

power

TV-2C Transverter).

2.04 amps.

DC,6.4 Ma.

regulated.negative DC, 9

DC, 125 Ma.

Supp'ly Connector,

FET Rec. Mixer,

supp'ly,

'13

3 db.

Meter

operating

lbs.

Coaxial

Ma.

CIRCUIT

DESCRIPTION

RECEIVING

incoming

An

Amplifier

R.F.

tow

and

mixer

selected

is

it

MODE:

signa'l

circuit

noise

with

fi;;;;:-

the

civsiaf

by a i.esonant'circuit,

receiveO

exaiiiy

.rviiaf-injection

trequEniy

which

drives

oi.it'lat1ng

TRANSMITTING Transmitting

r2By7

the .ryttii band, 6g646

and po"e.

through

a

one-third

at

MODE: output

tranrrii-ri*..

inieition

i, u*piifi;d

nrpiitier-stagi.

coaxial

a

iii!-iir.-.wiiai

n.i.iu.-roai, providing.

w.itn-irttn.r necessary

the

144-148

the

in

which ir'.-irpiiii.a-iignit

injection

ike any

f

signa'l

'is t"ipiing

the

from

ilig.

signit,

first

cable

c6nnectori

osiillator

iniection

MC. ra!9!.is 40673

uses

FET's,

signif]

then

ind

ofhet

geneiated

required

receivea by a

stage.

'iniection

Transceiver

ttre

of

TV-zc. the

T69

in

sum

bV ihe-6360

butput_is

frequgncy.lripler

and

coupled cryital

fne

amptitication

voltage'

first

amplified-by

providing

ii-tnen

frequency

fne

coupled

hetdrodvned

into

iigna'l

.in,the

transiitorized

crysta'ls

Thys,

the frequency.

it

into

is stage,

the

is

coup'led

Hbre frequencies

two

tuned

driver

iniection

circuit

a'6JK6

by

pentode

the

excell,ent

sensitivity

in a 40673

difference

Transceiver

the

I'Ft

crystal

are

cathode

the

or

ran99, oscillator

actually

heterodyned.

falls,in

and

meter

2

signal that

the then antenna

is derived

is used

amplifier

2 slaqe

FET

"I'F.''

where

.The

circuit

the

with

meter

2

by the

system

in

stage

of

from

POWER The

Swan

SUPPLY

same

Transceiver

iequirements

iii-

(U) (.) (A) (.)

REQUIREMENTS:

swan

are iZ.6 volts'AC l2 volts ll0 volts

275

800

'

Model

llTxc

is used

power

to

adequately

at-2.0+

DC at

125

negative

volts

DC-at DC at

volts

10 required frequency

supdtied-by on'the the

"Installation,

regulated foi

tripler

intlrconnecting

Transceiver,

supply

power

the-Tv-zc

provided

amps

for

ma.

for

DC

medium

ma.

120

high

ma.

240

negative

traniistor

the

stage.

Swan

the

and

Transceiver

which

provides

Transverter. llTXC'

the

by

rgqgired

is

relay'

T/R

the

Bias.

vo]tage'

voltage'

NOTE

DC at oscillator

This

Transceiver,

changes

is described

voltage.is to

Modifications'

operating

filaments.

for

is

ma'

9

and

is one

and

be made

under

"

additional

The

in

vollage:

the

for power

i:

rt

?

Qr&Q2

2N706

&Q2

Q]

2N706

RECEIVE BLOCK

u2

128Y7

DIAGRAM

TO Sl,lAN

TRANSCEIVER

V4

54988/8737

FROM

TRANSMITTER

Sl,lAN

BLOCK

TMNSCEIVER

DIAGRAM

The

formula

for calculating

CRYSTAL

FREQUENCY

the crystal

SELECTIoN

frequency

to

be

used

in

TV-Zdis:

the

is the

Where

i..qu"nCy

When

For crystal io-ag.333 i.t.itor to

Fx

of

ordlring

example:

frequency

mi.

switch.

144.45

mc.,

To calculate

resuit

bt a:

ii.om This

desired The

for

itr"

.144.45

same

to

method

portion

following

Transceivers.

Swan

St,lAN

TRANSCEIVER

Fx

crystal

TV-ZC,

the

crystals,

For a

signal

will-be

will

fhis

With the

ds

crystal

this cryslal,

Transceiver

number 2,

is 43.483

144.9

chart

I.F.

mc., as

of calculat'ion

of

.|44-148

the

lists

TUNING

=

Signal

Frequency

frequency, and'I.F.-is specify

.|55

normally

paiallel

frequency

minus

be the is tuned

subtract

and

mi.,

Transceiver

the

may be used

mc.

some of

the various

RANGL

-

I.F.

Signal

frequency

tfre operating

resonant

mc.,

144

of

.|4,

or'130,

crystal tuning

the

from

14

crystal

this

with

is tuned

plice

to

band.

arrangements

TV-zC

RANGE

is the

frequency

9

and

an

and

divided

position I of the

in range 14 to

.|44.45,

the

des_ired

of

pico I.F.

b.y 3,_which

extend

will

14.45

-the

from

mc

divide

and

tuning_range

'14

TV-2C

which

operating

Transceiver.

the

14

load. mc.,

farad of

calculates

from

the

14.45

to

operation

may

CRYSTAL

the

crystal

.|44

mc.

difference

wil'l

be

mc.

in any

be selected

FREQ.

Swan

350C,

500C,

500cx

Swan and

350,

500

and

l4-.|4.45

mc.

2t-21.4s

28-29.7

I 4-l 4.35

13.85-14.35

21-21.50

144.00-144.45

.45- I 44

I 44

144 -

gt]-

.90

t4t 35 43 63

145.35-l4l

vLE RO-146.2

146.25-146.70

144.00-144.45

I 44.45-

I 44.9U-

I 45.35-l

| 45.

I 46 .25- |

144.00-l

145.00-

|4h_h0-|48-7U

| 44.9U

| 45-J5

4s.80

UU-

45.70

l46.lt)

144.00-144.35

t5- | 44. /U

144 -10- | 45 - 05

50

1 44.00-l

I 44.50-

I 45 .00-t

t45.5U-t40.

44.

|

45

.UU

.50

144.00-I44.

.00

I 44.50-l I 45 .00-

I 45.50-l

45

I 45

46

.5U

.00

43.333

43 .48

43.78:

43.

44 - 083

mc.

41.000

.1 50

41

41.300

4 .450

4

38.666

39.Llr 39-5

43.333

43.45

43.55

43. 383

.550

4

4 .716

.883

.000

4

166

4

4t .333

4l.5UU

'*

'.f

TMNSCEIVER

Swan and

Swan 250C

350,

500

250,

Remove il;ting

ii

secure;The

connecting

the

from

ptuggea

Replace

following

(a)

Remove pin

be necessary'to-remove box..

TV-2C

all

the

TUNING

I.F.

28-29.7

50-54

Cabinet,

around

way

the

P.A. top

modifications

TV-2C

the

po*er

mc.

and

54988

the

down

Transverter. bottom cover

supply

RANGE

INSTALLATION

then Power Ampf

in

cover,

must

connector.

the socket,

its

and

be made

from the

the

TV-2C

RANGE

'r44.00-145.70

r4s.00-.|46.

|46-5U-I4E-

't44-.l48

P.A.'top

ifier.tube.

and

If

in

you

cabinet

TV-2C

brass cover

cover.

that

cover.

your

Swan

transceiver,

have

plate

CRYSTAL

Remove

Make certain

plate

the

Transceiver

locate

and

500CX,

or

500C

a

the

from

FREQ.

38.666

31.333

protellive

the

the 54988

connectors

before

the

TVI filter

are

12

it-will

(b)

Locate already'connecieA a Dl60l. the accesiory rain

the

(c)

Connect

auxilii"v

located 6n

fhe

(d)

Connect power

bOOCX, case,'the

ground,

(e)

Replace

(f)

The

changed signit. teling

wire"teia

This

Uoiy-ot"tf'.-OioA..

reguiated

three

tnree.Ot

three

supply

thbsi

and the

voltage

s5 tnat'both

The

the

pQwel_supply

ll on

r.i.y

the-back

.0.1

iranim'itt6r.

the

bin

to

trom

Pin'l'l to

type

stud

is a

socket voltage

.0'l

bypass capacitors

.0l connector may

cipacitors

will'thus

brass cover dropping

best way

holi'.

to

mfd. ceramic

term'inais

the

of

mfd.

be connectei

bypass t6'a

be in shunt

resistors

are

to

'11,

i^bm6ve

the

10 watt Connect

This

the crystal

io

Traniceiver

grouhO tug.

wi'll

the

to

500 check

chirping

No

connector.

-1-0

is the

disc

ground-iug.

a

should

capacitors outside-the

connect

TVI

for the

ohms,

is to

i!.

vo'lt

diode to

bypass

with

filter

if

It

terminal

the

-.l0

vo]t

oscil'lator

c[assis have

from

the

Zener

FM

'listen

frequency

or

there

If

not'be

wi1l

of the

mounted

1ug

capacitor

These

a

you

If

brass

the

.00.|

box. Be

experienced

is

to the

on

which

terminal

the

in

are

iust

volt

500 pins

ha.ve-the TVI

feed'thru

mfd.

diode

shift

is a

needed. Zener

chassis

the comes

and

,

fV'zC.

each

from

the three

behind

rating.

4,.5,

sure

(Dl601

:lg.lal,

and Mode'l

filter

capac'itor

feed-thru.

and

)

on

on,qw-!li'l:.

should

wire'lead

Connect

diode'

near

from

the

wil'l

the

box.

should^be

your

supp'ly

the

of

terminals

P.A.

lO-of

re-solder.

the

500C

In

to

SSB-

take

tubes.

or

thjs

place.

Swan TV-2C Service guide

Specifications and Main Features

Frequently Asked Questions

User Manual