Kenwood service manual TK-940/941, Kusa

Page 42

Y New Parts

PARTS LIST

Par-ts without Parts No are not suDD1if.d.

LLPS ? I I ' I I ~ ; I ~rionS ~~ier~t,iorit~r?;C l i ~e Parts NO.~ I son1B pas fo~~ti-nis

T~eileotlne Parts No. wet-den ~ii?:titgeliefei't.

Ref . NO.

!

'1

2

3

4

5

6

7

8

9

10 I I

13

'13

'14

15 'I6 W 3 W '1

W301

W2

W20 1

7 0 0

7U 1

2 2

-

24

25

26

27

28

2Y

7 0 2

30

3'I

33

34

35

36

38

39

39

4U

41

42

4 3

A

B

C

A d d r e s s New

P a r t s No.

 

 

 

 

D e s c r i p t i o n

D e s t i -

R e -

6 z

Parts

Pfib 2~ %& 4

 

 

 

glr

 

 

% / R

%

Tg

 

 

 

 

EPa

-

 

- -

 

 

 

 

 

 

 

 

 

 

 

 

TK-940/941

 

 

 

 

 

 

 

1 6

 

AU'I- I 0 6 5 - 0 3

-7

 

 

 

 

 

 

 

 

 

M h T A L L l l L A b I N E T ( U P P E H )

 

2 6

*

A01 - 1 0 6 6 - 0 3

METALLIC

CABINETiLUWEH)

 

1 C

A'IU - 1344 - 0'1

CHASSIS

 

 

 

 

 

 

 

4 A

*

A 6 2 - 0 3 4 9 - 0 3

PANEL

ASSY

 

 

 

 

 

 

2 k.

*

6 0 9 - 0 2 3 5 - 0 5

CAP

 

 

 

 

 

 

 

:ACSY

 

2 A

*

8 3 8 - 0 7 3 1 - 0 5

LCD

ASSY

 

 

 

 

 

 

 

1 6 , 1 C

 

8 4 2 - 2 4 5 5 - 0 4

LABEL

( M 4 x 8

MAX)

 

 

 

1C

 

6 4 2 - 3 3 4 3 - 0 4

LABEL

( S / N Q )

 

 

 

 

 

'IC

 

8 4 2 - 3 3 9 4 - 1 4

LABEL

 

 

 

 

 

 

 

 

3 E

 

6 4 2 - 5 5 2 6 - 0 4

LABEL

t HY A'TT)

 

 

 

 

1 E

*

6 4 6 - 0 4 0 9 - 4 0

WARRANTY

CARD

 

 

 

 

1 E

6 6 2 - 0 4 5 9 - U 0

TNSTHUCTTQN

MANUAL

 

 

1 C

*

8 7 2 - 0 7 0 5 - 0 4

MQDEL

NAME

PLATE

 

Y40

 

1i:

*

8 7 2 - 0 7 5 2 - 0 4

MQDEL

NAME

PLATE

 

9 4 '1

 

1 0

 

E 3 0 - 2 0 3 6 - 0 5

GRNUND LEAD

WIRE

 

:ACSY

 

2 E

 

E 3 U - 2 0 7 6 - 1 5

DC CBRD

 

 

 

 

 

: ACSY

 

IE

 

E 3 0 - 2 0 8 9 - 0 8

CURL

CQRD(FQR

M I C )

:ACSY

 

1 C

 

~ 3 0 - 2 ' 1 7 2 - 1 5

DC CQRD

ASSY

 

 

 

 

 

1C

 

E 3 0 - 3 0 3 1 - 1 5

ANT

CABLE

ASSY

 

 

 

 

2 8

*

E 3 7 - 0 4 6 0 - 0 5

FLAT

C A B L E ( 0 i S P L Y - C Q N T U N I T )

 

'IC

*

E 3 7 - 0 4 6 1 -US

LEAD

 

WIRE

WITH

CQNNECTQR(SP:2P)

 

2 8

*

E 3 7 - 0 4 7 0 - 0 5

F L A T

CABLE(CBNT-TXHX

U N I T )

 

I 6

*

F l u - 2 1 2 5 - 0 4

S H I E L D I N G P L A T E ( P L L )

 

 

2 6

r

F l u - 2 1 2 6 - 0 3

S H I E L D I N G CQVER(PLL)

 

 

2 E

 

F 5 1 - U 0 1 6 - 0 5

FUSE

( ' I U A )

 

 

 

:ACSY

 

2 E

 

F 5 1 - 00'16 - 05

FUSE

( I U A ) , . . 2 p c s i D C

CQRD)

 

1 6

 

G U 2 - 0 5 7 6 - 1 4

F L A T

SPRING

i A F

TC)

 

 

'I6

*

G02 - 07'11 - 04

F L A T SPRING (APC/AVR)

 

 

'lB,2C

G 1 0 - 0 7 6 4 - 0 4

FIBRUUS

SHEET(CHASS1S)

 

2 6

*

G 1 0 - 0 7 6 5 - 0 4

FIBRNUY S H E E T i C H A S S I S )

 

2 6

*

G I 'I- 0 7 2 8 - 0 4

SHEET

(MQDULAR JACK)

 

 

1C

*

G 1 3 - ' 1 4 6 8 - 0 4

CUSHIQN

tDC

CQHD)

 

 

2 8

*

G I 3 - 092'1- 0 4

CUSHIQN

(LCD

ASSY)

 

 

2 6

G 5 3 - 0 7 7 6 - 0 4

PACKING

tPHQNE

JACK)

 

 

2 D

*

H 1 0 - 2 7 8 4 - 0 2

PQLYSTYRENE FQAMED F I X T U R E

 

3 E

*

H I D - 2 7 8 5 - 0 2

PQLYSTYHENE

FQAMED FIXTURE

 

2 D

*

H12 - '1469 - 02

PACKING

FIXTURE

 

 

 

'10

*

H.1 3 - 0 9 4 2 - 0 4

CAHTNN BNAHD

 

 

 

 

2 E

 

H 2 5 - 0 0 2 9 - 0 4

BAG

t

6 U x l l 0 )

 

 

 

 

 

3E

 

H 2 5 - 0 0 4 9 - 0 3

BAG

 

 

 

 

 

 

 

 

 

2 E

*

H 2 5 - 0 1 0 3 - 0 4

BAG

( 1 2 5 x 2 5 0 )

 

 

 

 

2 D

H 2 5 - 0 7 9 6 - 0 4

B AG

 

 

 

 

 

 

 

 

 

3 D

*

H 5 2 - 0 6 0 3 - 0 4

ITEM

CARTQN

CASE

 

9 4 0

 

3 U

*

H 5 2 - 0 6 1 0 - 0 4

I T E M

CARTNN

CASE

 

9 4 1

 

2 E

 

J 1 9 - 1 3 7 6 - 1 5

M I C

HANGER

 

 

 

 

:ACSY

 

1C

 

J 1 9 - 1 4 3 4 - 0 4

YQLDERiSP)

 

 

 

 

:ACSY

 

1 D

 

5 2 9 - 0 4 4 1 - 0 3

BRACKET

 

 

 

 

 

 

2 A

 

~ 2 9 - 4 9 2 8 - 0 2

KEY

TQP

 

 

 

 

 

 

 

2 8

 

N 0 9 - 2 0 7 7 - 0 5

SEMS

SCREW(F1NAL

MQDULE)

 

'LC,2C

 

N 3 3 - 2 6 0 6 - 4 5

QVAL

HEAD

MACHTN

SCREWiCp,';E)

 

1 8 , l C

 

N 8 3 - 2 6 0 6 - 4 6

PAN HEAD T A P T I T E SCREW

 

 

 

 

 

 

 

 

 

 

 

 

I

 

L:Scandinavia

K:USA

P:Canada

 

Y:PX(Far East, Hawaii)

T:England

E:Europe

 

Y:AAFES(Europe)

RAustralia

M:Other Areas

indicates safety critical components.

Image 42
Contents $@$, ~\, !? .- $LU~CO .i@&4170-XX FX-R%~?ONIT1x57-4590-XXI BIZTesting GeneralAntenna DC Power and wiringInstallation Planning Control Stations 5-1. Antenna system RadioSystem SET-UP Operating Features Delete 1 indicator Front Panel Displays and Indicators System displayScan indicator Busy indicatorDetails of Features SystemIGroup Revert Time-Out TimerTEL ID Codes TEL Mode Last call revertTranspond Free System RingbackSystem Search Preferred System RevertAudible User Feedback Tones Delay toneAuto TEL Proceed toneConventional System Operation Transmit disable receive-only channelsCall indicator, alert tone Talk-aroundContinuous Horn AlertNon-continuous System Scan Type Fix system scanIr 4-1.lntroduction Data Program ModeTransceiver Programming KPG-4 Description Optional PC programming interface cableDescription of Each Modes Clone Mode FigureDealer mode System keyGroup key Panel Tuning ModeVolume key Scan keyInstalling the Signaling Unit KDD-4 Dtmf Option KDD-4assemblyInstallation Installing the KDD-4 in the transceiverMonireset ON-HOOK OFF-HOOK JU2 Accessory Connection Cable KCT-19 OptionJumper setup charts JU3 JUJ Mute UrimuteTerminal function GNDIgnition Sense Cable KCT-18 Option Connecting the KCT-18 to the transceiverR5 and R6 setup chart Modifying the transceiverKES-3 Option Connection procedureExternal Speaker KES-4 OptionFitting the Control Panel Upside Down Page Page Page Page MCF ANT AMP If System -AMPSP RF unitIf unit PLL MIC AMPAudio amplifier unit Squelch circuit Microphone amplifier Vcxo PLLBuff IRF AMP DET InvswControl unit Power supply circuit PLL data outputHorn control CPU LCD AssemblyPower switch circuit Tone generatorBlock diagram Terminal connection diagramTest Terminal connection diagram Terminal functionEeprom AT24C02NlOS12.7 TX-RX Unit IC201 DEC DINMicroprocessor 78312AGF3563BE TX-RX Unit IC209 Microprocessor 75308BGK740BE9 LCD Assy IC2 CLK Output aTEST2 TEST1 DTA114EU--DC NJM78L05UAEeprom DTA114YULCD Assy B38-0731-05 Cc4riq Rating wattageTK-940/941 KusaY4U Tapttte Screw A T Head T a P T T I E Sciiewpannel Screw SETInsulating Tube ANT Cable Speaker 16 QHM 1W Micrqphqnb Icpqwer Modulej .. Drive TX-RXW w w W W 1 W l U U P F I P C X E D CUuupi U P FR c Hesbnatuh ES $j Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Pattern Page Foil side IC20E Dtci 14EU DTCI44EU Page Page Component side PC Board View ~ o h ~ o n esident Page TX-RX Unit TX-RX Section X57 4590 XX A/2 11 TK A1 PLL O w m o d +4- aLIE- - aIz23z= Page Ccrl--------ASSYDISPLAY S~ECTION838 Eqqzj

TK-940 specifications

The Kenwood TK-940 is a highly regarded mobile two-way radio that has earned a reputation for its ruggedness, reliability, and excellent communication capabilities. Designed for professionals in various sectors such as public safety, transportation, and construction, the TK-940 incorporates advanced technologies to meet the demanding needs of users in the field.

One of the standout features of the TK-940 is its robust design, which complies with military specifications for durability. Its construction allows it to withstand harsh environmental conditions, making it suitable for outdoor and challenging work environments. The radio is also equipped with a water-resistant casing, ensuring that it can function reliably even in wet conditions.

The TK-940 operates in the VHF frequency range, providing wide coverage and strong signal penetration. With a power output of up to 110 watts, users can achieve long-range communication, essential for coordinating activities over large areas. The radio supports both analog and digital modes, allowing seamless integration into various communication systems while maintaining high audio clarity.

Another significant feature of the TK-940 is its enhanced audio quality. The radio is equipped with Kenwood's advanced noise cancellation technology, which minimizes background noise and ensures clear voice communication even in noisy environments. The audio output is powerful and adjustable, catering to individual user preferences.

Moreover, the TK-940 supports a variety of signaling options, includingDTMF, MDC-1200, and 2-Tone/5-Tone signaling, facilitating efficient communication. These signaling features enhance interoperability with other communication devices and systems, allowing users to communicate seamlessly with teams or dispatch centers.

Kenwood has also incorporated user-friendly functionalities into the TK-940. It boasts an intuitive user interface with programmable buttons, enabling quick access to essential features. The large, backlit display provides clear visibility and is easy to read in various lighting conditions.

The TK-940 is designed with safety in mind, featuring emergency alerts and lone worker protection, ensuring users can communicate their status in critical situations. Overall, the Kenwood TK-940 is a powerful and versatile mobile radio that combines durability, advanced technology, and user-friendly features, making it an ideal choice for professionals who require reliable communication in the field.