Kenwood TK-3101K Service Manual - Page 19

TK-3101

ADJUSTMENT

Required

Test

Equipment

1.

Stabilized

Power

supply

1.

The

supply

voltage

can

be

changed

between

5V

and

18V,

and

the

current

is

3A

or

more.

2.

The

standard

voltage

is

7.5V.

2.

DC

Ammeter

1.

Class

1

ammeter

(17

ranges

and

other

features).

2.

The

full

scale

can

be

set

to

either

300mA

or

3A.

3.

A

cable

of

less

internal

loss

must

be

used.

3.

Frequency

Counter

(f.

counter)

1.

Frequencies

of

up

to

1GHz

or

so

can

be

measured.

2.

The

sensitivity

can

be

changed

to

500MHz

or

below,

and

measurements

are

highly

stable

and

accurate

(0.2ppm

or

so).

4.

Power

Meter

1.

Measurable

frequency

:

Up

to

600MHz

2.

Impedance

:

50O,

unbalanced

3.

Measuring

range

:

Full

scale

of

5W

or

so

4.

A

standard

cable

(5D2W

1m)

must

be

used.

5.

RF

Voltmeter(RF

V.M)

1.

Measurable

frequency

:

Up

to

600MHz

or

so.

6.

Linear

Detector

1.

Measurable

frequency

:

Up

to

600MHz

or

so

2.

Characteristics

are

flat,

and

CN

is

60dB

or

more.

7.

Digital

Voltmeter

1.

Voltage

range

:

FS=18V

or

so

2.

Input

resistance

:

1M

f2

or

more

8.

Oscilloscope

1.

Measuring

range

:

DC

to

30MHz

2.

Provides

highly

accurate

measurements

for

5

to

25MHz.

9.

AF

Voltmeter

(AF

V.M)

1.

Measurable

frequency

:

50Hz

to

1MHz

2.

Maximum

sensitivity

:

1

mV

or

more

10.

Spectrum

Analyzer

1.

Measuring

range

:

DC

to

1GHz

or

more

11.

Standard

Signal

Generator

(SSG)

1.

Maximum

frequency

:

600MHz

or

more

2.

Output

:

-133dBm/0.05pV

to

7dBm/501mV

3.

Output

impedance

:

50O

12.

Tracking

Generator

1.

Center

frequency

:

50kHz

to

600MHz

2.

Frequency

deviation

:

±35MHz

3.

Output

voltage

:

100mV

or

more

13.

Dummy

Load

1.

8O,

3W

or

more

14.

AF

Generator(AG)

1.

Frequency

range

:

100Hz

to

100kHz

2.

Output

:

0.5mV

to

1V

15.

Distortion

Meter

1.

Measurable

frequency

:

30Hz

to

100kHz

2.

Input

level

:

50mV

to

10Vrms

Antenna

Microphone

OO

PTT

switch

Monitor

key

Channel

selector

3

Speaker

6

©

LED

indicator

©

Power

switchNolume

control

©

SP/MIC

JACK

•

Use

a non-conductive

rod

such

as

a

Bakelite

rod

for

adjustment

(especially

of

trimmers

and

coils).

•

To

protect

the

SSG,do

not

send

out

signals

while

adjusting

the

receiving

unit.

•

The

indicated

SSG

output

levels

are

for

maximum

output.

Adjustment

points

Foil

Side

View

AM

C

fsi

TC2

1

0

1R

2

"

a

L212:

AF

level

adjustment

TC201:

RF-Band-pass

TC1:

Transmit

lock

TC202:

filter

waveform

voltage

adjustment

TC203:

11

adjustment

TC2:

Receive

lock

voltage

adjustment

TP2:

Band-pass

filter

test

point

Component

Side

View

SP

MIC

1

MIC

O

ANT

-F1

O

CV

vEy

IC403

VR500

R,

ANT:

Antenna

terminal

SP:

Speaker

jack

MIC:

Microphone

jack

CV:

Lock

voltage

adjustment

terminal

VR500:

DOT

waveform

adjustment

VR501:

DEV

adjustment

Note

:

To

fine

tune

the

frequency

when

not

using

a

computer,

adjust

VR1.

19

Kenwood TK-3101K Service Manual - Page 19

Adjustment

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