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Table Of Contents - Kenwood TM-V71A Service Manual

144/430 (440) mhz fm dual bander

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Instruction manual (60 pages)

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Instruction manual (107 pages)

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Service manual (4 pages)

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Table Of Contents1

Disassembly For Repair2

Precautions For Disassembly2

Circuit Description3

Frequency Conﬁguration3

Receiver System4

Band A/B Vhf Receiver Circuit4

Band A/B Uhf Receiver Circuit4

Transmitter System5

Modulation Circuit5

Transmitter Circuit6

Power Supply Circuit7

Overheating Protection Circuit7

Reference Oscillator Circuit7

Af Signal System8

Serial Control8

Narrow/ Wide Switching Circuit8

Beep Circuit And Mute Circuit8

Data Terminal And Peripheral Circuits9

Microphone Key Input9

Transmission Signals9

Data Terminal Input/ Output Level9

Panel Section10

Reception Signals10

Squelch Signal Output Circuit10

Key, Encoder, Volume Input Circuit10

Semiconductor Data11

Shift Register12

Electorical Volume Ic13

Cross Point Switch13

Components Descriptiont14

Terminal Function19

Exploded View38

Measuring Equipment For Alignment40

Echolink Operation Check Method41

How To Use The Data Terminal Short Plug41

Adjustment Mode42

Adjustment Items42

How To Enter The Adjustment Mode42

Lcd Display In The Adjustment Mode42

Panel Key Operation In The Adjustment Mode43

Example Of The Adjustment Mode Operation Procedure43

Adjustment Item, Adjustment Band Item, Display And The Frequency That Is Set To The Transceiver44

Common Section47

Transmitter Section47

Reciever Section52

Display Unit, Component Side View60

Display Unit (X54-3590-00)60

Display Unit, Foil Side View62

Tx-Rx Unit, Tx-Rx Section, Component Side View64

Tx-Rx Unit (X57-731X-Xx)64

Tx-Rx Unit, Tx-Rx Section, Foil Side View66

Tx-Rx Unit, Control Section, Component Side View68

Tx-Rx Unit, Control Section, Foil Side View70

Interconnection Diagram Tx-Rx Unit72

Interconnection Diagram Display Unit73

Schematic Diagram74

Block Diagram86

Level Diagram88

Receiver Section88

Optional Accessories90

Cord Assembly90

Specifications91

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