Kenwood
TK-940
service manual
Install
Jumper setup charts
Time-Out Timer
Scan indicator
DC Power and wiring
KDD-4assembly
Connection procedure
Panel Tuning Mode
Testing
Power supply circuit
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Contents
FX-R%~?ONIT1x57-4590-XXI BIZ
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General
Testing
Installation Planning Control Stations 5-1. Antenna system
DC Power and wiring
Antenna
Radio
System SET-UP
Operating Features
Scan indicator
Front Panel Displays and Indicators System display
Delete 1 indicator
Busy indicator
Details of Features
TEL ID Codes TEL Mode
Time-Out Timer
SystemIGroup Revert
Last call revert
System Search
Free System Ringback
Transpond
Preferred System Revert
Auto TEL
Delay tone
Audible User Feedback Tones
Proceed tone
Call indicator, alert tone
Transmit disable receive-only channels
Conventional System Operation
Talk-around
Non-continuous
Horn Alert
Continuous
System Scan Type Fix system scan
Transceiver Programming
Data Program Mode
Ir 4-1.lntroduction
KPG-4 Description Optional PC programming interface cable
Dealer mode
Clone Mode Figure
Description of Each Modes
System key
Volume key
Panel Tuning Mode
Group key
Scan key
KDD-4assembly
Installing the Signaling Unit KDD-4 Dtmf Option
Installing the KDD-4 in the transceiver
Installation
Jumper setup charts
Accessory Connection Cable KCT-19 Option
Monireset ON-HOOK OFF-HOOK JU2
JU3 JUJ Mute Urimute
GND
Terminal function
R5 and R6 setup chart
Connecting the KCT-18 to the transceiver
Ignition Sense Cable KCT-18 Option
Modifying the transceiver
External Speaker
Connection procedure
KES-3 Option
KES-4 Option
Fitting the Control Panel Upside Down
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If unit
RF unit
MCF ANT AMP If System -AMPSP
PLL MIC AMP
Audio amplifier unit Squelch circuit
Microphone amplifier
Buff IRF AMP
PLL
Vcxo
DET Invsw
Control unit
PLL data output
Power supply circuit
Horn control
Power switch circuit
LCD Assembly
CPU
Tone generator
Terminal connection diagram
Block diagram
Eeprom AT24C02NlOS12.7 TX-RX Unit IC201
Terminal connection diagram Terminal function
Test
DEC DIN
Microprocessor 78312AGF3563BE TX-RX Unit IC209
Microprocessor 75308BGK740BE9 LCD Assy IC2
Output a
CLK
TEST2 TEST1
Eeprom
NJM78L05UA
DTA114EU--DC
DTA114YU
LCD Assy B38-0731-05
Rating wattage
Cc4riq
Kusa
TK-940/941
Insulating Tube ANT Cable Speaker 16 QHM 1W Micrqphqnb
Tapttte Screw A T Head T a P T T I E Sciiewpannel Screw SET
Y4U
Icpqwer Modulej .. Drive TX-RX
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Pattern
Page
Foil side
IC20E
Dtci 14EU DTCI44EU
Page
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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
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