Vertex Standard VX-420 マニュアル

目次

• Introduction

  1
• Contents

  1
• Operating Manual Reprint

  2
  • Controls & Connectors

    2
  • Display Icons & Indicators (VX-420 Only)

    2
  • Before You Begin

    2
  • Operation

    3
  • Accessories & Options

    3
  • Key Function

    4
  • Description of Operating Functions

    4
  • ARTS (Auto Rande Transpond System : VX-420 only)

    6
  • DTMF Paging System (VX-420 only)

    6
• Cloning

  7
• Specifications

  8
  • GENERAL Specifications

    8
  • RECEIVER Specifications

    8
  • TRANSMITTER Specifications

    8
• Exploded View & Miscellaneous Parts

  9
• Block Diagram

  11
• Circuit Description

  13
  • Receive Signal Path

    13
  • Squelch Control

    13
  • Transmit Signal Path

    13
  • Automatic Transmit Power Control

    14
  • Transmit Inhibit

    14
  • Spurious Suppression

    14
  • PLL Frequency Synthesizer

    14
  • Miscellaneous Circuits

    14
• Alignment

  15
  • Introduction

    15
  • Required Test Equipment

    15
  • Alignment Preparation & Precautions

    15
  • The alignment tool outline

    16
  • PLL VCV (Varactor Control Voltage)

    17
  • Reference Frequency

    17
  • Transmitter Output Power

    17
  • MAX Deviation

    17
  • CTCSS Deviation

    18
  • MAX Ref Deviation

    18
  • STD Deviation

    18
  • DTMF Deviation

    18
  • DCS Deviation

    18
  • Sensitivity

    18
• MAIN Unit

  19
  • Circuit Diagram

    19
  • Parts Layout

    21
    • Side A

      21
    • Side B

      22
  • Parts List

    23
    • C 1xxx

      23
    • CD1xxx

      26
    • CF1xxx

      26
    • D 1xxx

      26
    • DS1xxx

      27
    • F 1xxx

      27
    • FB1xxx

      27
    • J 1xxx

      27
    • L 1xxx

      27
    • MC1xxx

      27
    • P 1xxx

      27
    • Q 1xxx

      28
    • R 1xxx

      28
    • S 1xxx

      33
    • TH1xxx

      33
    • VR1xxx

      33
    • X 1xxx

      33
    • XF1xxx

      33
• DUMMY Unit

  34
  • Circuit Diagram

    34
  • Parts Layout

    34
  • Parts List

    34
    • C 4xxx

      34
    • J 4xxx

      34
    • R 4xxx

      34
• FVP-25 Encryption / DTMF Pager Unit

  35
  • Circuit Diagram

    35
  • Parts Layout

    35
    • Side A

      35
    • Side B

      35
  • Parts List

    36
    • C 1xxx

      36
    • D 1xxx

      36
    • J 1xxx

      36
    • Q 1xxx

      36
    • R 1xxx

      36
    • X 1xxx

      36
• VTP-50 VX-Trunk Unit

  37
  • Circuit Diagram

    37
  • Parts Layout

    37
    • Side A

      37
    • Side B

      37
  • Parts List

    38
    • C 1xxx

      38
    • D 1xxx

      38
    • J 1xxx

      38
    • Q 1xxx

      38
    • R 1xxx

      38
    • X 1xxx

      38
• DVS-5 Voice Storage Unit

  39
  • Circuit Diagram

    39
  • Parts Layout

    39
    • Side A

      39
    • Side B

      39
  • Parts List

    40
    • C 1xxx

      40
    • D 1xxx

      40
    • J 1xxx

      40
    • Q 1xxx

      40
    • R 1xxx

      40