Midland Radio SP-300 Instruction Manuals and User Guides

We have 1 Instruction Manual and User Guide for SP-300 Midland Radio

Midland Radio SP-300 User Manual, 52 pages

Recognized languages:	English
Pages:	52
Size:	3.44 MB

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Document Outline

TABLE OF CONTENTS
SPECIFICATIONS
- GENERAL
- TEMPERATURE RANGE
- CURRENT CONSUMPTION
- FREQUENCY BANDS
- DIMENSIONS
- WEIGHT
- TRANSMITTER
- AUDIO FREQUENCY DEVIATION
- ADJACENT CHANNEL POWER
- RECEIVER
- RX TONE DEMODULATION CHARACTERISTICS
INTRODUCTION
FEATURES
- Main Features
- Wideband
- Scan Mode
- Scan Channel Delete
- Scan Delay Time
- Busy Channel Lockout
- Marked Idle Enable
- Normal/Inverted DCS
- Standard/Non-Standard CTCSS
- Transmit Time-Out-Timer (TOT)/TX Inhibit
- VCO Lock Time
- Low Battery Indication
- Memory Protect
- External Option Detect
DESCRIPTION OF CONTROLS
THEORY OF OPERATION
- DIGITAL CIRCUITS
- RF CIRCUITS
- RF CIRCUITS PLL SYNTHESIZER
- RECEIVER
MAINTENANCE AND REPAIR
- GENERAL
- REMOVING & REPLACING THE BELT CLIP
  - Removing the belt clip:
  - To replace the belt clip:
- REMOVING & REPLACING THE BATTERY
  - To remove the battery:
  - To replace the battery:
- REMOVING & REPLACING PTT ASSY.
  - To remove the PTT assembly:
  - To replace the PTT assembly:
- REMOVING & REPLACING THE ACCESSORY CONNECTOR
  - To remove the Accessory Connector:
  - To replace the Accessory Connector:
- REMOVING & REPLACING THE ANTENNA & CONTROL KNOBS
- REMOVING & REPLACING THE BACK COVER
  - To remove the Back Cover:
  - To replace the Back Cover:
- REMOVING & REPLACING THE MAIN BOARD
  - To remove the Main Board:
  - To replace the Main Board
- REMOVING & REPLACING THE DAUGHTER BOARDS
  - To Replace a Daughter Board:
- REMOVING & REPLACING THE SPEAKER
  - To remove the speaker:
  - To replace the speaker
COMPONENT REPLACEMENT
- Surface Mount Components
- Surface Mount Removal
- Surface Mount Component Replacement
- Surface Mounted Integrated Circuit Replacement
PROGRAMMING
- Cloning
ALIGNMENT PROCEDURE
- SQUELCH ADJUSTMENT
- RX VCO
- RECEIVER
- TRANSMITTER
- TCXO
- TX VCO
- CTCSS, DCS & DEVIATION ALIGNMENT
- APC
TEST EQUIPMENT SETUP
ALIGNMENT POINTS DIAGRAM
- ALIGNMENT POINTS VHF & UHF WITH TCXO MODULE
- ALIGNMENT POINTS UHF WITH OUT TCXO MODULE
VOLTAGE CHARTS
SP-300 SERIES UHF & VHF DIGITAL SECTION PARTS LIST
SP-300 SERIES VHF RF SECTION PARTS LIST
SP-300 SERIES UHF RF SECTION PARTS LIST
COMPONENT PINOUT
SCHEMATICS & BLOCK DIAGRAM
- VHF FRONT-END
- VHF POWER AMP
- UHF POWER AMP
- UHF FRONT-END
- UHF V.C.O.
- VHF V.C.O.
- TCXO
- ACC-200 BATTERY
- FUSE
- P.T.T.
- Digital Schematic
- VHF RF Schematic
- UHF RF Schematic
- Block Diagram
PCB LAYOUTS
Exploded View

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