TS-440S

s

ADJUSTMENT

 

 

Measurement

 

 

Adjustmen t

 

 

 

 

Item

Condition

Tes t

 

 

 

 

 

 

 

Specification/Remark s

 

 

equipment

Unit

Terminal

Unit

Part

Method

 

I -40

 

 

8 . Carrie r

FREQ : 14 .1750 MH z

Power mete r

Rear Panel

AN T

IF

VR 7,8

MIN

 

dB or les s

 

suppression

MODES : USB and LS B

Oscilloscop e

 

(Direc -

 

 

 

Directional coupler

 

 

MIC LEVEL control : MIN

or Spectrum

 

tional

 

 

Ts-44o

 

L~

Power

 

 

STBY : SEND

analyzer

 

coupler)

 

 

-

 

 

 

 

 

mete r

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

_

Osciilo I or Spectru m

 

 

 

 

 

 

 

 

 

 

scope

analyze r

 

 

 

 

 

 

 

 

 

 

 

9 . SSB mad e

FREQ : 14 .1750 MH z

Oscilloscop e Rear

panel

AN T

Cont .

 

S5 0

Adjust as shown

 

frequenc y

MODES : USB and LS B

 

 

(Direc-

 

 

(DI P

below .

 

 

 

response

AG output : Two tones 5 m V

 

 

tiona l

 

 

SW)

 

 

 

 

 

300, 2700 H z

 

 

coupler)

 

 

 

 

 

 

 

 

Set output to 50 W using MI C

 

 

I DIP SW

 

 

 

Al 1111I'

.illlIii

 

 

LEVEL control .

Aci

 

 

 

 

OK

 

5m v

 

 

 

 

 

I

 

STBY : SEND

 

 

 

 

 

 

 

 

 

 

 

 

5

4

e e e

 

 

~r

 

 

 

300HZ OKO

5608

eeee e e 0

,'I IIII I'

,1IIIII

 

 

 

 

AG 2

 

 

 

 

ON

 

 

 

 

 

 

2700H=©

 

USa-

 

 

LSa

 

 

 

 

 

 

 

 

 

 

r.1dIIIILdffIIIi „

N G

 

 

 

 

200 50

400

 

100 2 5

 

 

 

 

 

r~1IIIIII~i~''IIIII'1~

*If this adjustment is performed, step 8 must als o be performed .

400 100 25 200 50

DIP SW are adjustable from -400 to +375 Hz .

If two tone generator is not available, adjust for equal output power at 300, 2700 Hz, as measured on wattmeter .

J

10 . Speech

1) FREQ : 14 .2000 MH z

processor

MODE : US B

 

AG output : 1 kHz, 10 mV

 

Set output to 50 W using MIC

 

LEVEL contro l

 

PROC SW : ON and OFF

 

STBY : SEN D

Power mete r Rear panel

ANT

IF

VR6 Level should be th e

A G

 

 

same between O N

AF V . M .

 

 

and OF F

11 . FM . DEV .

12 . CW Sid e tone

21 AG output : 1 kHz, 1 m V

25W or mor e

(20 dB down )

 

STBY : SEND

 

1) FREQ : 28 .7000 MH z

Power mete r Rear panel

AN T

RF

VR6

4 .6 kHz

-0 .1 kH z

MODE : F M

Linea r

(Direc -

 

 

 

 

AG output : 1 kHz, 30 mV

detecto r

tiona l

 

 

 

 

50 mV (K)

A G

coupler)

 

 

 

 

 

AF V . M .

 

 

 

 

 

2) AG output : 1 kHz, 3 m V

 

 

RF

 

 

±0 .1 kH z

5 mV (K )

 

 

VR3

3 kHz

MODE : C W

Power mete r

EXT .

 

 

0.63V/8f2

 

CW BREAK IN SW : SEM I

AF V . M

SP

IF

VR9

 

 

AF GAIN control : 12 o'cloc k

Oscilloscope

 

 

 

 

 

VOX GAIN control : MI N

 

 

 

 

 

 

STBY : RE C

 

 

 

 

 

 

Connect KEY to KEY jack an d

 

 

 

 

 

 

close the key contacts .

 

 

 

 

 

 

13 Auto antenn a

1) BAND : 28.5000 MHz

1509 R F

AT TC 1 Minimum SWR mete r Repeat 2-3 times .

tuner

MODE: CW

dummy load

reading

If AT-440 is

CAR LEVEL control : MAX

 

10 cm

 

TS-4401—15oo1

installed)

AT unit VR1 : 12 o'clock

 

 

 

 

VR2 : Fully CC W

 

 

 

AUTOTHRU SW : AUTO

 

 

 

ATTUNE SW : ON

 

 

95

Page 94 Page 96
Page 95
Image 95
Kenwood VS-1, PS-50 Di P, Ant, AN T VR6, Mode F M, CW Break in SW SEM, VR9, Stby RE C, Autothru SW Auto Attune SW on
Page 94 Page 96

SP-430, VS-1, PS-430, AT-440, YK-88C specifications

The Kenwood MB-430, PS-50, YK-88S, YK-88CN, and YK-88SN are notable components that enhance the capabilities of Kenwood's transceiver products, particularly in the amateur radio segment. Each of these units plays an essential role in expanding functionality, improving performance, and providing users with valuable features that are beneficial in various communication scenarios.

Starting with the Kenwood MB-430, it serves as a versatile mobile bracket designed for specific Kenwood radio models. The MB-430 enhances mobility, allowing operators to mount their radios securely in vehicles or portable setups. Its sturdy construction ensures reliability during operation, and it offers a simple installation process, making it user-friendly for both beginners and seasoned enthusiasts.

The PS-50 power supply is a crucial accessory that complements Kenwood's transceiver line. This power supply is known for its compact design, providing 13.8 V DC output, which is essential for powering radios effectively. With a current rating that adequately supports various transceivers, the PS-50 is equipped with short-circuit protection and thermal overload features. These safety mechanisms protect both the power supply and the connected equipment, making it a dependable choice amongst operators.

The YK-88S, YK-88CN, and YK-88SN are all filters that enhance the performance of Kenwood transceivers. The YK-88S is a high-performance SSB filter, designed to improve the clarity of SSB signals while reducing adjacent channel interference. It offers narrow bandwidth options that facilitate more precise tuning, making it particularly valuable in crowded band conditions.

Meanwhile, the YK-88CN is known for its crystal filter technology, optimizing the transceiver's performance for CW and digital modes. This filter helps in eliminating unwanted noise, allowing operators to enjoy clearer reception and improved decoding of weak signals.

The YK-88SN, similar in function to the YK-88S and YK-88CN, provides additional narrow filtering options, enhancing the agility of transceiver operation in various modes. It effectively enhances selectivity and reduces interference from strong signals, providing a cleaner audio output.

Together, these components contribute to a seamless operating experience for amateur radio enthusiasts. Whether enhancing filter characteristics, providing reliable power, or ensuring secure mobility, the MB-430, PS-50, YK-88S, YK-88CN, and YK-88SN demonstrate Kenwood’s commitment to quality and performance in the radio communications field.
Top Page Image Contents