TK-7102TK-7102© 2001-5 PRINTED IN JAPANB51-8584-00 (S) 283VHF FM TRANSCEIVERTK-7102SERVICE MANUALPanel assy(A62-0942-03)Front glass(B10-2668-03)Cabine
10TK-7102Frequency ConfigurationThe receiver utilizes double conversion. The first IF is49.95MHz and the second IF is 450kHz. The first local oscil-
11TK-7102 Wide/Narrow Changeover CircuitThe Wide port (pin 92) and Narrow port (pin 91) of theCPU is used to switch between ceramic filters. When the
12TK-7102D10,12Q11TX VCOQ15BUFFAMPD9,11Q10RX VCOQ7,12T/R SWChargepumpLPFPhasecomparator1/M1/N5kHz/6.25kHz5kHz/6.25kHzREFOSC16.8MHzPLLDATAIC1 : PLL ICQ
13TK-7102 APC CircuitThe automatic transmission power control (APC) circuitdetects part of a power module output with a diode (D34,D36) and applies a
14TK-7102 EncodeThe QT and DQT signals are output from QT/DQT of theCPU (IC6) and summed with the external pin DI line by thesumming amplifier (IC4)
15TK-7102SEMICONDUCTOR DATA Terminal functionPin No. Name I/O Function1NC I2 DTMOSC O DTMF IC Clock Control3 PLLE O PLL IC Chip Select4 EVLLD O E-Vol
16TK-7102DESCRIPTION OF COMPONENTSDisplay Unit (X54-3340-20)SYMBOL PARTS NAME DISCRIPTIOND1~4 LED KEY BACKLITD5 LED MONITOR KEY LIGHTD6 LED PROGRAMMAB
17TK-7102DESCRIPTION OF COMPONENTSRef. No. Use/Function Operation/ConditionQ34 TRANSISTOR DC SWITCH(SB)/Active when power onQ35 TRANSISTOR AF MUTE/Act
18TK-7102PARTS LIST11B∗ A01-2178-02 CABINET23B∗ A10-4047-01 CHASSIS33A∗ A62-0942-03 PANEL ASSY43A∗ B10-2668-03 FRONT GLASS52C∗ B62-1389-00 INSTRUCTION
19TK-7102Ref. No. Parts No. DescriptionAddressNewpartsRef. No. Parts No. DescriptionAddressNewpartsDestination DestinationTX-RX UNIT (X57-6290-20)M:TK
TK-7102TK-710222 47CONTENTS / GENERALGENERALINTRODUCTIONSCOPE␣ OF␣ THIS␣ MANUALThis manual is intended for use by experienced techni-cians familiar wi
20TK-7102Ref. No. Parts No. DescriptionAddressNewpartsRef. No. Parts No. DescriptionAddressNewpartsDestination DestinationTX-RX UNIT (X57-6290-20)400~
21TK-7102Ref. No. Parts No. DescriptionAddressNewpartsRef. No. Parts No. DescriptionAddressNewpartsDestination DestinationTX-RX UNIT (X57-6290-20)M:TK
22TK-7102Ref. No. Parts No. DescriptionAddressNewpartsRef. No. Parts No. DescriptionAddressNewpartsDestination DestinationTX-RX UNIT (X57-6290-20)400~
23TK-7102Ref. No. Parts No. DescriptionAddressNewpartsRef. No. Parts No. DescriptionAddressNewpartsDestination DestinationTX-RX UNIT (X57-6290-20)M:TK
24TK-7102EXPLODED VIEWParts with the exploded numbers larger than 700 are not supplied.AB123116CCCCCAAAABBBBBBB12918TX-RX UNIT71426173415112610DISPLAY
25TK-7102PACKINGParts with the exploded numbers larger than 700 are not supplied.D SCREW SET(N99-0395-05)Protection bag(H25-0103-04)8 DC cord(E30-3339
26TK-7102Test Equipment Required for AlignmentTest Equipment Major Specifications1. Standard Signal Generator Frequency Range 140 to 175MHz(SSG) Modul
27TK-7102ADJUSTMENTAdjustment Location Switch Adjustment Point• Component Side View Note• EEPROMThe tuning data (Deviation, Squelch, etc.) for theE
28TK-7102TK-260 :K, K2Test frequency(MHz)Channel TX RX1: Center 160.100 160.0502: Low 146.100 146.0503: High 173.900 173.9504 160.000 160.0005 160.200
29TK-7102TK-260 :K, K2MethodAdjust to center frequency25W5WAdjust the waveform as below±4.0kHz: Wide±2.0kHz: NarrowAccording to the large +,-Check±0.7
3TK-71025. INSTALLATION␣ PLANNING – CONTROL␣ STATIONS5-1. Antenna systemControl station. The antenna system selection dependson many factors and is be
30TK-7102TK-260 :K, K2BPF-WaveFig. 1ADJUSTMENT
ABCDE FGH I J KLMNOPQRS1345678910111213142TK-7102PC BOARD VIEW3231DISPLAY UNIT (X54-3340-20) Component side view + Foil side view.oN.feRsserddA1QJ42Q
ABCDE FGH I J KLMNOPQRS1345678910111213142TK-7102PC BOARD VIEW3433TX-RX UNIT (X57-6290-20) Component side viewJ1CN5R331C230C307C290BECQ42C350C345C346
ABCDE FGH I J KLMNOPQRS1345678910111213142TK-7102PC BOARD VIEWTX-RX UNIT (X57-6290-20) Foil side view3536J72-0788-12ANTL45L44L43L42L40L39D26D31C244C
ABCDE FGH I J KLMNOPQRS1345678910111213142TK-7102PC BOARD VIEWTX-RX UNIT (X57-6290-20) Component side view + Foil side view3738ANTL45L44L43L42L40L39D
Note : Component marked with a dot ( ● ) are parts of pattern1.A B C D E F G IHJ K L M ON P Q SR1234567SCHEMATIC DIAGRAMTK-7102
46LEVEL DIAGRAMRX sectionTX sectionBLOCK DIAGRAMTK-7102TK-7102TK-7102 TK-710243 4544
46LEVEL DIAGRAMRX sectionTX sectionBLOCK DIAGRAMTK-7102TK-7102TK-7102 TK-710243 4544
TK-7102TK-710222 47CONTENTS / GENERALGENERALINTRODUCTIONSCOPE␣ OF␣ THIS␣ MANUALThis manual is intended for use by experienced techni-cians familiar wi
TK-7102TK-7102© 2001-5 PRINTED IN JAPANB51-8584-00 (S) 283VHF FM TRANSCEIVERTK-7102SERVICE MANUALPanel assy(A62-0942-03)Front glass(B10-2668-03)Cabine
4TK-71021. Controls and Functions1-1. Front Panelq (Power) switchPress to switch the transceiver ON. Press and hold forapproximately 1 seconds to swi
5TK-71022. Operation FeaturesThe TK-7102 is a VHF FM radio designed to operate inconventional format. The programmable features are sum-marized.3. Tr
6TK-7102 Temporary deleteIt is possible to delete channel temporary during scan.When scan stops on unnecessary channel for example byinterference of
7TK-7102 StunIf the stun code matches, a predetermined action will oc-cur. Whether option signalling is activated or not, whenstun matches on any ch
8TK-7102REALIGNMENT3-4. Programming Software DescriptionThe KPG-70D programming disk is supplied in 3-1/2" diskformat. The software on this disk
9TK-71021. When you remove the panel, turn the transceiver upside down. Detach the panel by lifting the tabs asshown below.Fig. 1Fig. 2DISASSEMBLY FOR
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