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VHF FM TRANSCEIVER TK-760G/762G SERVICE MANUAL © 2000-1 PRINTED IN JAPAN REVISED ( ) B51-8497-10 N 1269 TK-760G (K) Microphone (T91-0597-15) Cabinet (Upper) (A01-2165-13) Panel assy (A62-0642-03) Key top (K29-5343-02) Microphone (T91-0597-15) TK-762G (K) Cabinet (Upper) (A01-2165-13) Panel assy (A62-0731-03) Key top (K29-5344-02) Please use this manual in place of the service manual (preliminary version), B51-8497-00. We have added the information on the circuit description, specifications, and
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TK-760G/762G CONTENTS / GENERAL CONTENTS GENERAL GENERAL ................................................................. 2 INTRODUCTION SCOPE OF THIS MANUAL SYSTEM SET-UP ..................................................... 4 This manual is intended for use by experienced techni- OPERATING FEATURES ......................................... 5 cians familiar with similar types of commercial grade com- munications equipment. It contains all required service in- REALIGNMENT.......................
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TK-760G/762G GENERAL 3. PRE-INSTALLATION CHECKOUT 5. INSTALLATION PLANNING – CONTROL STATIONS 3-1. Introduction 5-1. Antenna system Each radio is adjusted and tested before shipment. How- Control station. The antenna system selection depends ever, it is recommended that receiver and transmitter opera- on many factors and is beyond the scope of this manual. tion be checked for proper operation before installation. Your KENWOOD dealer can help you select an antenna sys- tem that will best serve yo
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TK-760G/762G SYSTEM SET-UP Frequency range (MHz) RF power Type Merchandise received 128ch models TK-760G 148~174 25W K 136~162 25W K2 License and frequency allocated by FCC 146~174 25W M Frequency range (MHz) RF power Type 8ch models Choose the type of transceiver TK-762G 148~174 25W K 136~162 25W K2 See page 11. Transceiver programming (Option) A personal computer (IBM PC or compatible), programming interface (KPG-22), and programming software (KPG-56D) are required for programming. (The freque
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TK-760G/762G OPERATING FEATURES 1-4. Display 1. Controls and Functions TK-760G 1-1. TK-760G Front Panel 1 2 3 4 5 Indicator Description Appears while using SmarTrunk. 6 7 1-2. TK-762G Front Panel Appears when the selected channel in busy. 1 2 3 4 5 Appears when QT, DQT, DTMF, or 2-Tone decoding is deactivated (by pressing the Monitor key). Appears when you receive a Code Squelch, Selective Call, 2-Tone code. Also appears when you transmit using Code Squelch or Selective Call. 6 7 Appears whi
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TK-760G/762G OPERATING FEATURES 1-5. Rear panel 2. Operation Features The TK-760G/762G is a VHF FM radio designed to oper- ate in conventional format. The programmable features are summarized. Power input connector 3. Transceiver Controls and Indicators 3-1. Front Panel Controls External speaker jack All the keys on the front panel are momentary-type push Antenna buttons. The functions of these keys are explained below. connector • POWER key Transceiver POWER key. When the power is switched 1
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TK-760G/762G OPERATING FEATURES • Display character (TK-760G only) • Public address This key switches the LCD display between the group Public address amplifies the microphone audio, and out- and channel number and the group and channel name. puts it through a PA speaker. PA is activated by pressing this key. A confirmation tone sounds, (and the display 1 • Emergency (M market models only) shows "PA" * ). PA can be activated at anytime (scanning or non-scanning). Pressing this key for longer
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TK-760G/762G OPERATING FEATURES SCAN start condition 3) Selected channel The transceiver reverts to the channel before scanning or One or more non-priority channels must be added to all the channel that you changed during scan. channels that can be scanned. The transceiver must be in 4) Last called channel normal receive mode (PTT off). The transceiver reverts to the last called channel during When you activate the key programmed to the scan func- the scan. tion, the scan starts. The scan ic
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TK-760G/762G OPERATING FEATURES Off hook decode AND/OR If the Off hook decode function has been enabled, re- You can select AND or OR for option signalling match moving and replacing the microphone on the hook has no conditions. effect for decoding QT/DQT and option signalling. Alert/Transpond AND QT/DQT+DTMF (2-tone); Option matches = Action "TOT" pre-alert OR QT/DQT+DTMF (2-tone); Option matches = Action The transceiver has "TOT pre-alert timer. This parameter AF mute open selects the t
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TK-760G/762G OPERATING FEATURES / REALIGNMENT Busy tone REALIGNMENT Sounds in conventional mode, when busy channel lock- out is functioning. You can select yes or no for the optional 1. Modes feature's warning tone. User mode Group call tone Panel test mode Sounds when a group call with the correct DTMF/2-tone Panel tuning mode (TK-760G only) option signalling is received, repeats 7 times. You can se- lect yes or no for the optional feature's warning tone. PC mode Data program- ming mode F
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TK-760G/762G REALIGNMENT 5-4. Programming Software Description 4. Check Sum The KPG-56D programming disk is supplied in 3-1/2" disk Executing this function, "TUNING" apears on the display format. The software on this disk allows a user to program of the TK-760G while calculation the check sum. TK-760G/762G radio via a programming interface cable When the calculation is completed, the display returns to (KPG-46). normal and PC displays the check sum of the radio. 5-5. Programming With IBM PC 5.
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TK-760G/762G REALIGNMENT Notes : Note : • To start the Firmware Programmer from KPG-56D, the You can clone the programmed data between the trans- FPRO path must be set up by the KPG-56D setup. ceiver listed below. Frequency version must be same. • This mode cannot be entered if the Firmware program- ming mode is set to Disable in the Programming soft- Slave TK-260G TK-260G TK-760G TK-760G TK-760G TK-260G TK-270G KM KM K2 K2 M2 ware (KPG-56D). TK-270G TK-270G TK-762G TK-762G TK-762G TK-270G
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TK-760G/762G REALIGNMENT Note : 9. Channel Setting Mode This mode (self programming mode) cannot be set when Each channel can be setup in its action mode by using it has been disabled with the FPU. the panel keys. • Pressing [MON] when "SELF" is diaplyed, sets channel setting mode. • Select an item set using [ ] then change the selection TX-RX unit B/2 Foil side with the [CH / ]. • The data displayed using [D/A] is stored in the memory and then proceeds to the next item. • Pressing [ ] proceeds
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TK-760G/762G REALIGNMENT No. Function Choices Display Remarks No. Function Choices Display Remarks 3 TX Step STP__250 Display when an item 9 RF High power PWR_H___ ←Default frequency 2.5kHz~1MHz STP_1000 is selected or when a power Low power PWR_L___ step is changed 10 Wide/ Wide WIDE____ (about 0.5 seconds) Narrow Narrow NARROW__ [A] : Step change 11 Scan DELETE SCAN_DEL Not used for 8ch 2.5, 5.0, 6.25, 7.5kHz, Delete/Add ADD SCAN_ADD ←Default 1MHz step 12 Priority No P.CH_NO__ Not used when (S
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TK-760G/762G REALIGNMENT 9-1. Flow Chart 10. Function Setting Mode All channels can be set up together in the action mode by Self programming mode using the panel keys. [MON] • Pressing [ ] when "SELF" is displayed, sets the function [MON] Channel setting Channel selection Group selection mode [ ] setting mode. [D/A] [MON] • Select an item set using [ ] then change the selection RX frequency OFF [ ] with the [CH / ]. [ ] [D/A]/[ ] • The data displayed using [D/A] is stored in the memory
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TK-760G/762G REALIGNMENT No. Function Choices Display Remarks No. Function Choices Display Remarks Horn alert KEY1__14 Horn alert KEY3__14 Selectable QT KEY1__15 M destination only Selectable QT KEY3__15 M destination only 2-tone encode KEY1__16 TK-762G cannot be selected select 2-tone encode KEY3__16 Monitor A KEY1__17 ←Default (TK-762G) select Monitor B KEY1__18 Monitor A KEY3__17 Monitor C KEY1__19 Monitor B KEY3__18 Monitor D KEY1__20 Monitor C KEY3__19 Scan KEY1__22 TK-762G cannot be select
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TK-760G/762G REALIGNMENT No. Function Choices Display Remarks No. Function Choices Display Remarks Public address SCN___12 Public address CUP___12 Horn alert SCN___14 Horn alert CUP___14 Selectable QT SCN___15 M destination only Selectable QT CUP___15 M destination only 2-tone encode SCN___16 TK-762G cannot be selected select 2-tone encode CUP___16 Monitor A SCN___17 select Monitor B SCN___18 Monitor A CUP___17 Monitor C SCN___19 Monitor B CUP___18 Monitor D SCN___20 Monitor C CUP___19 Scan SCN_
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TK-760G/762G REALIGNMENT No. Function Choices Display Remarks No. Function Choices Display Remarks Key lock VUP___10 15 Minimum 0~31/1 step MVOL_12_ Public address VUP___12 volume Horn alert VUP___14 16 Off hook Enable H_D__ENA Selectable QT VUP___15 M destination only decode Disable H_D__DIS ←Default TK-762G cannot be selected 17 Off hook Enable H_H__ENA 2-tone encode VUP___16 horn alert Disable H_H__DIS ←Default select 18 Time out OFF, 15~600/ TOT_180_ Default : 180s Monitor A VUP___17 timer 1
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TK-760G/762G REALIGNMENT 10-1. Flow Chart No. Function Choices Display Remarks DTMF Self programming [ ] mode Squelch level 32 Digit time 50~200ms/10ms DIGT__50 Default : 50ms [ ] [D/A]/[ ] [ ] [ ] Function setting 33 Inter digit 50~1000ms/50ms IDT___50 Default : 50ms Priority mode [D/A]/[ ] time [ ] [ ] [MON] key function Look back time A 34 First digit 50~200ms/10ms FDT___50 Default : 50ms [D/A]/[ ] [D/A]/[ ] [ ] [ ] [A]/[MON] key function Look back time B time [D/A]/[
