Kenwood TR-2200G User manual

CONTENTS

EXTERNAL

VIEW

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PARTS

LIST

TOTAL

PARTS

LIST

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POWER

SUPPLY

(X43-1080-00)/TONE

(X52-1030-01)

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(X55-1080-61)

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DIAGRAM.

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SCHEMATIC

DIAGRAM

(SEMICONDUCTOR

LEADS).....................

SPECIFICATIONS

sie

och

atte

Sak

Aaa

Telescopic

antenna

S-meter

‘Knob

(A)

Pushbutton

switch

(T90-0035-05)

(B31-0101-15)

({K21-0264-03)

(S$39-1016-05)

Knob

. |

4-p

connector

(K21-0246-04}

(EQ6-0403-05)

Power

jack

Water-proof

cap

(A)

(E08-0304-05)

(F19-0049-04)

Name

Plate

Earphone

jack

Grommet

(J59-0001-05)

(B40-0822-04)

(£11-0003-15)

yer

( |

Plunaer

(159-Q004-05)

bee

Rubber

spacer

(J30-0061-04)

TOP

VIEW

Ls4

(L34-0012-05)

LsS

(L30-0005-05)

Ls10

(L34-0013-05)

Ls9

(L34-0014-05)

Ls2

(L34-0010-05)

Ls8

(L32-0002-05)

Power

jack

VRs3

(R12-5014-05)

EO8-0304-0

(E08-0304-05)

CFs1

(L.72-0015-05)

Ls6

(L30-0005-05)

Ls1

(L34-0009-05)

XLs1

(L77-0327-05)

—

CFs2(L72-1025-05)

Speaker

(T02-0005-15)

S-meter

(B31-0101-15)

Os17:

uPC-20C

VRs1

(R12-4016-05)

Telescopic

antenna

Ls13

(1.30-0007-05)

reams

ot?

{L30-0006-05)

TCt1(C05-0009-15)

——

—

Lt4(L31-0175-05)

(1.31

O02

S-O5

)

(t5(L31-0176-05)

£t9(L31-0179-05)-

Lt1(L30-0141-05)

Tone

unit.

Leos

(X52-1031-01)

Lt10(L31-0180-05)

Earphone

jack

(E11-0003-15)

tg:

28C741—

O19:

2SC1479

—

Dt3:

M1301:

Ct3(L05-0010-15)

(RO2-2010-05)

—

VRt2(R12-2015-05)

_—.

VR2

(RO2-2011-05)

VRtl.

(R12-2015-05)

——

(S01-2018-05)

RECEIVER

Xtal

oscillators

Battery

case

Battery

case

TRANSMIT

Xtal

Dt4

M-1301

oscillators

Lt22(L34-0354-05)

eee

Trimmer

capacitors

for

Lt21(L34-0354-05)

3 :

Poneman

«TRANSMIT

frequency

adiustmant

TCtra

Tet

Cpa

(CO5-0030-15)

ADJUSTMENTS

CASE

REMOVAL

(See

Fig.

Release

the

rod-snaps

the

bottom

the

case.

Pull

the

case

out

while

pushing

the

external

antenna

connector.

Rod

snap

[m=

(1)

Unhook

the

water-proof

caps

Water-proof

caps

(9)

Put!

the

rod

snaps

out

Fig.

PRINTED

CIRCUIT

BOARD

REMOVAL

(See

Fig.

Remove

the

screws

securing

the

printed

circuit

board

(PCB)

place.

Slide

the

PCB

sidewise

facilitate

its

removal.

Position

the

transceiver

with

the

panel

toward

you

and

lift

the

rear

end

the

PCB.

Screws

Fig.

Note:

gain

access

the

TRANSMIT

and

RECEIVE

circuits

for

repair

work,

the

only

part

removed

the

PCB

RECEIVE

section:

most

the

circuits

become

accessi-

ble

you

so.

exception

the

multiplier

section,

which

located

behind

the

speaker:

repair

the

circuits

this

section,

disconnect

the

wires

shown

Fig.

remove

the

PCB

securing

screws

and,

the

removal

RECEIVE

section

PCB,

take

out

the

multiplier

PCB.

TRANSMIT

sectionPCB

REPAIRING

THE

MICROPHONE

CONNECTOR

Correct

connection

the

microphone

cord

the

connector

shown

Fig.

Microphone

cord

(red)

Covered

with

shielded

wire

Stand

Ground

Black

Microphone

cord

White

(As

viewed

from

the

cord

side)

MIC

Fig.

RECEIVE

SECTION

ADJUSTMENT

Local

Oscillator

Coil

Tune

the

transceiver

about

145

MHz.

Turn

the

slug

coil

Ls8

clockwise

until

oscillation

stops.

Then

turn

the

slug

back

360

degrees

for

stabie

oscil-

lation.

Sensitivity

Connect

signal

generator

the

external

antenna

connector.

Feed

signal

the

transceiver

kHz

modulation,

kHz

frequency

deviation).

Adjust

coils

Ls1,

4...

7, 9,

and

TCt3

{mounted

the

TRANSMIT

section

PCB)

until

the

meter

reads

maximum

with

optimum

S/N

ratio.

Discriminator

Coil

Connect

signal

generator

the

external

antenna

connector

and

oscilloscope

the

output

terminal.

Apply

signal

kHz

modulation,

kHz

frequency

deviation,

=3uV

output)

the

transceiver.

Align

coils

Ls12

and

until

output

waveform

opti-

mum

the

oscilloscope.

S-Meter

Connect

signal

generator

the

external

antenna

connector.

Feed

signal

the

transceiver.

Adjust

VRs1

until

the

meter

deflects

full

scale

(or

reads

10).

Note:

Meter

reading

below

full

scale

calls

for

readjustment

sensitivity.

Squeich

Set

the

channel

selector

knob

the

channel

that

con-

tains

crystal

and

confirm

that

there

signal

re-

ceived.

With

any

signal

not

being

received

adjust

VRs2

until

squelch

opens

between

and

o'clock.

Confirmations

The

transceiver

shall

show

large

difference

sen-

sitivity

for

supply

voltage

range

10.4

15.2

volts.

Sensitivity

difference

shall

within

the

specification

throughout

the

entire

band

including

the

band

edges.

The

transceiver

shall

not

interfere

with

channel

(176

182

MHz)

after

the

local

oscillator

has

been

aligned.

TRANSMIT

SECTION

ADJUSTMENT

Note:

Use

insulated

screwdrivers

for

coil

and

trimmer

adjust-

ments.

Multiplier

and

final

stage

Connect

50-ohm

power

meter

the

external

anten-

connector.

Set

the

channel

selector

Model

TR-2200G

transmit

frequency

144.15

MHz

and

connect

the

instruments

shown

Fig.

Power

meter

power

supply

ammeter

amp}

TR-2200G

Fig.

Operate

the

transceiver

the

transmitting

state

and

adjust

TCt1,

supply

voltage

from

volts

until

the

ammeter

reads

maximum.

Increase

the

supply

voltage

volts

and

adjust

TCt1

and

for

maximum

output.

Note:

TCt2

should

set

point

which

the

output

ap-

proximately

down

with

minimum

current

drain.

This

achieved

reducing

trimmer

capacitance.

Modulation

Set

the

supply

voltage

volts

and

connect

audio

generator

the

microphone

connector.

Modulate

the

carrier

with

kHz

signal

and

set

the

transceiver

the

transmit

state

144.15

MHz.

Observe

the

waveform

oscilloscope

through

linear

detector.

Adjust

Lt2

until

and

optimum

output

obtained.

Adjustment

Without

Linear

Detector

Apply

mV,

kHz

signal

from

the

audio

generator

the

microphone

input

and

connect

audio

frequency

VTVM

terminal

TO1

(X56-1080-00).

Adjust

VRt2

until

the

meter

reads

360

mV.

still

another

method,

anoth-

TR-2200G

transceiver

may

used

monitor.

Maximum

Frequency

Deviation

Connect

audio

generator

the

microphone

connector.

Apply

kHz

signal,

100

greater,

the

trans-

ceiver.

Adjust

VRt2

limit

the

frequency

deviation

kHz

maximum.

TRANSMIT

FREQUENCY

(Fig.

Prepare

pick-up

coil,

put

around

the

telescopic

antenna,

and

connect

its

lead

the

frequency

count-

er.

TR-2200G

Fig.

Adjust

each

channel

the

exact

TRANSMIT

frequen-

means

associated

frequency

adjust

trimmer.

Note:

the

available

frequency

counter

dose

not

measure

144

MHz,

connect

the

counter

the

base

Ot4

through

0.01zF

coupling

capacitor.

This

set-up

permits

the

count-

indicate

fundamental

frequencies.

Adjustment

toler-

ance

+200

Hz.

Each

TRANSMIT

frequency

its

fundamental

frequency

follows:

FUNDAMENTAL

FREQ.

(MHz)

TRANSMIT

CHANNEL

FREQ.

(MHz)

144.150

144.200

144.250

Meter

Use

volt

supply

voltage.

Connect

power

meter

the

external

antenna

connector.

Adjust

VRt3

and/or

modify

the

position

the

pick-up

lead,

located

near

Lt22,

until

the

meter

reads

figure

(The

same

applies

the

telescopic

antenna.)

Transceiver

TR-2200G

Ammeter

ADJUSTMENT

OTHER

CIRCUITRY

Battery

Check

Meter

Set

the

supply

voltage

volts.

Adjust

VRs3

(on

the

RECEIVE

section

PCB),

until

the

pointer

deflects

between

the

red

and

black

marks.

(Be

sure

not

allow

the

screwdriver,

used

this

adjustment,

come

contact

with

the

chassis

and

other

circuits.)

Charging

Circuit

(Fig.

Turn

the

transceiver

power

switch

off.

Disconnect

one

the

snaps

the

battery

holder

and

measure

the

current.

Note:

Checking

charge

current

transceiver

power

switch

should

off

mam

Disconnect

the

lead

one

the

battery

snaps

Fig.

Model

Note:Charging

current

battery

volgage

curve

for

nick-

elcadmium

cells

shown

Fig.

The

charging

current

may

deviate

from

this

curve

depending

the

particular

transceiver

cells

used.

pattern

charge

current

decrease

—*

Charge

current

(mA)

3 6

12 15

—

Battery

voltage

(volts)

Fig.

Insufficient

charge

current

will

also

result

from

defective

cells.

defective

cell

which

has

increased

internal

resistance,

any,

can

found

replacing

one

cell

time

with

new

one

while

measuring

their

charge

current.

Fig.

shows

the

characteristic

the

nickel-

cadmium

cell.

Cell

characteristic

discharge

rating

rae

51.0

0.5

——>

Discharge

time

(hour)

Fig.

Confirmations

Oral

input

through

the

microphone

shall

clearly

transmitted

with

sufficient

modulation.

When

the

TRANSMIT

frequency

varied

across

the

band,

there

shall

sign

abnormal

oscillation

supply

voltage

from

10.4

15.2

volts

moni-

tored

television

set,

frequency

counter

other

devices.

The

rated

output

shall

available

standard

supply

voltage

throughout

the

band.

Note:

Confirmations

and

should

made

with

the

built-in

telescopic

antenna.

PARTS

LIST

PARTS

LIST

TR-2200G

Parts

No.

Description

Remarks

CAPACITOR

CK45E1H102P

Ceramic

0.001pF

+100%

CE04W1C101(RL)

Electrolytic

100uF

16WV

CK45F1H103Z

Ceramic

0.01uF

+80%

SEMICONDUCTOR

181555

CRYSTAL

OSCILLATOR

L77-0253-05

Crystal

oscillator

144.15MHz)

L77-0254-05

Crystal

oscillator

144.20MHz)

L77-0255-05

Crystal

oscillator

145.25MHz)

L77-0256-05

Crystal

oscillator

144.75MHz)

L77-0257-05

Crystal

oscillator

144.80MHz)

L77-0258-05

Crystal

oscillator

145.85MHz)

POTENTIOMETER

RO2-2010-05

trimmer,

5kQ,

with

switch,

(A)

for

RO2-2011-05

trimmer,

5k2,

with

switch,

(B)

for

SWITCH

$01

-2018-05

Rotary

switch

$39-1016-05

Pushbutton

switch

MISCELLANEOUS

A01-0197-03

Case

AG9-0031-05

Viny!

case

A10-0353-02

Chassis

A20-0342-25

Panel

A21-0129-04

Ornament

panel

(B)

A21-0142-04

Ornament

panel

(A)

BO5-0123-04

Saran

net

(A)

B31-0101-15

S-meter

B40-0822-04

Name

plate

B42-0009-04

Passed

sticker

B50-1016-00

Instruction

manual

E04-0115-05

Type

connector

(EXT.

ANT)

E06-0403-05

4-p

connector

(jack)

E£08-0216-05

connector

(jack)

E08-0304-05

Power

jack

E11-0003-15

Earphone

jack

E12-0001-05

Earphone

plug

E23-0015-04

Grounding

lug

E23-0043-04

Antenna

grounding

lug

E30-0709-05

power

cord

E30-01

10-04

Battery

snap

E30-0220-05

Power

plug

with

lead

F09-0009-05

Battery

case

(A)

FO9-0010-05

Battery

case

(B)

F19-0049-04

Water

proof

cap

(A)

F20-0076-13

Insulator

(B)

F20-0081-03

Insulator

(A)

G02-0021-04

Battery

retaining

spring

G02-0022-04

Spring

plate

G11-0008-04

Cushion

(B)

G11-0034-04

Cushion

G13-0014-04

Insulator

(Rubber)

G53-0013-04

Water-proof

ring

(A)

G53-0014-04

Meter

packing

G53-00

15-04

Antenna

bushing

H01-0969-13

Shipping

case

(internal)

H03-0238-14

Shipping

case

(external)

H10-0852-13

Foam

styrol

stuffing

H10-0853-13

Foam

styrol

stuffing

H20-0281-03

Protection

cover

H25-0079-04

Bag

H25-0123-04

Bag

J02-0046-04

Leg

J21-0392-04

Lead

holder

J21-0448-04

Speaker

mounting

hardware

J21-0706-04

Meter

mounting

hardware

J21-1130-04

Power

jack

mounting

hardware

J21-1131-04

Phone

jack

mounting

hardware

J30-006

1-04

Rubber

spacer

J31-0097-04

Collar

J41-0012-04

Antenna

insulator

J59-0001-05

Gromet

J59-0004-05

Plunger

J61-0019-05

Vinyl

tie

K21-0264-03

Knob

(A)

K21-0246-04

Knob

T02-0005-15

Speaker

T91-0026-05

Microphone

T90-0035-05

Telescopic

antenna

X43-1080-00

Power

supply

unit

X52-1030-01

Tone

unit

X55-1030-61

unit

X56-1080-00

unit

PARTS

LIST

X43-1080-00

(POWER

SUPPLY)

RESISTOR

RCOSGF2H330J

Carbon

+5%

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