Kenwood TK-260G - Manual

Kenwood TK-260G

Kenwood TK-260G – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – INTRODUCTION; SCOPE OF THIS MANUAL; ORDERING REPLACEMENT PARTS; PERSONNEL SAFETY; SERVICE; NOTE
  • Page 3 – OPERATING FEATURES; Operation Features; Programmable Auxiliary Functions; • RF Power Lo: Press the RF Power Lo key to toggle the
  • Page 4 – keys; Side 2 key: Monitor A; can be programmed
  • Page 5 – Icon; Not used in this transceiver.; ) Scan Start Condition
  • Page 6 – Details of Features; ) Selective Call Alert LED
  • Page 7 – ) Clear to Transpond; Dead Beat Disable
  • Page 8 – OPERATING FEATURES / REALIGNMENT; REALIGNMENT
  • Page 9 – Firmware Programming Mode
  • Page 10 – Note: You can clone the programmed data between the
  • Page 11 – Self programming mode setting; Flow Chart
  • Page 13 – Function Setting Mode
  • Page 16 – DISASSEMBLY FOR REPAIR; Separating the case assembly from the chassis.
  • Page 17 – Wide/Narrow changeover circuit; CIRCUIT DESCRIPTION; Frequency configuration; ) IF Amplifier circuit
  • Page 18 – AF Amplifier and Squelch; PLL frequency synthesizer
  • Page 19 – Fig. 7 Microphone amplifier; Transmitter System; ) Microphone amplifier; ) Drive and Final amplifier
  • Page 20 – ) Frequency shift circuit; Flash Memory; Fig. 9 Memory circuit; ) Low battery warning; Optional Board Terminal; Pin
  • Page 21 – CIRCUIT DESCRIPTION/SEMICONDUCTOR DATA; SEMICONDUCTOR DATA
  • Page 22 – Pin function
  • Page 23 – DESCRIPTION OF COMPONENTS
  • Page 24 – PARTS LIST
  • Page 32 – PACKING
  • Page 33 – ADJUSTMENT; Test Equipment Required for Alignment; The following parts are required for adjustment
  • Page 34 – Test mode operating features; • Controls; Signalling
  • Page 35 – Panel Tuning Mode; Tuning mode
  • Page 40 – Foil Side View; Fig. 2 Adjustment points
  • Page 41 – PC BOARD VIEW; LED
  • Page 45 – SCHEMATIC DIAGRAM
  • Page 47 – BLOCK DIAGRAM
  • Page 48 – LEVEL DIAGRAM; CIRCUIT DIAGRAM
  • Page 49 – OPTIONS
  • Page 50 – Transmitter; SPECIFICATION; KENWOOD CORPORATION; KENWOOD SERVICE CORPORATION
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VHF FM TRANSCEIVER

TK-260G/270G

©

1999-9 PRINTED IN JAPAN

B51-8493-00(S) 1425

SERVICE MANUAL

GENERAL ...................................................................... 2

SYSTEM SET-UP .......................................................... 2

OPERATING FEATURES .............................................. 3

REALIGNMENT ............................................................. 8

DISASSEMBLY FOR REPAIR ..................................... 16

CIRCUIT DESCRIPTION ............................................. 17

SEMICONDUCTOR DATA .......................................... 21

DESCRIPTION OF COMPONENTS ............................ 23

PARTS LIST ................................................................. 24

EXPLODED VIEW ....................................................... 30

CONTENTS

Key top (DTMF)
(K29-5330-02)

TK-260G

TK-270G

PACKING ..................................................................... 32

ADJUSTMENT ............................................................. 33

PC BOARD VIEWS

DISPLAY UNIT (X54-3250-10) ............................... 41

TX-RX UNIT (X57-587X-XX) .................................. 43

SCHEMATIC DIAGRAM .............................................. 49

BLOCK DIAGRAM ....................................................... 57

LEVEL DIAGRAM ........................................................ 59

KNB-14/KNB-15A (Ni-Cd BATTERY) .......................... 60

OPTIONS ..................................................................... 61

SPECIFICATIONS ................................... BACK COVER

Knob (CHANNEL SELECTOR)
(K29-5341-03)

Knob (VOL)
(K29-5332-03)

Cabinet assy
(A02-2391-23)

Knob (PTT)
(K29-5334-13)

Antenna
(T90-0679-05):M

Knob (ENC)
(K29-5331-03)

Knob (VOL)
(K29-5332-03)

Cabinet assy
(A02-2385-23)

Knob (PTT)
(K29-5334-13)

M market models are shown.

Knob (MONI)
(K29-5333-13)

Knob (MONI)
(K29-5333-13)

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Summary

Page 2 - INTRODUCTION; SCOPE OF THIS MANUAL; ORDERING REPLACEMENT PARTS; PERSONNEL SAFETY; SERVICE; NOTE

TK-260G/270G 2 GENERAL / SYSTEM SET-UP INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by experienced technicians familiar with similar types of commercial grade communicationsequipment. It contains all required service information for theequipment and is current as of the publicat...

Page 3 - OPERATING FEATURES; Operation Features; Programmable Auxiliary Functions; • RF Power Lo: Press the RF Power Lo key to toggle the

TK-260G/270G 3 OPERATING FEATURES 1. Operation Features • TK-260G Antenna A 3 2 1 B 6 5 4 C 9 8 7 D 0 q q q q q e e e e e r r r r r t t t t ty y y y y u u u u u i i i i i o o o o o !0 !0 !0 !0 !0 w w w w w Microphone Speaker The transceiver is shown with the optional KNB-14 battery pack. q q q q q R...

Page 4 - keys; Side 2 key: Monitor A; can be programmed

TK-260G/270G 4 OPERATING FEATURES u u u u u ° , • , 2 2 2 2 2 , 3 3 3 3 3 keys These are PF (Programmable Function) keys. Presseach key to activate its auxiliary function. i i i i i DTMF keypadUsed for storing and transmitting DTMF numbers. o o o o o SP/MIC jacksConnect an optional speaker/ micropho...

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