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EMS52~EMS56
Service Manual
ALINCO INCORPORATED
TWIN 21 M.I.D. TOWER BUILDING 23F, 1-61, 2-CHOME,
SHIROMI CHUO-KU , OSAKA, 540-8580 JAPAN
Tel (81)6-6946-8150 fax (81)6-6946-8175
e-mail: export@alinco.co.jp

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Summarization of Contents

Microphone and Mic Rubber Assembly
MIC and Mic Rubber to Board
Details the assembly of the microphone and its rubber part to the main board.
Coiled Cord to Board Wiring
Connecting Coiled Cord to Board
Explains the soldering process for the coiled cord wires based on color coding.
Switch Knob to Board Assembly
Attaching Switch Knobs
Provides instructions on how to correctly attach switch knobs to the switches on the board.
Rear Case Weight Installation
Weight and Screw Installation
Details the installation of the weight component into the rear case using screws.
Front and Rear Case Preparation
Case Assembly and Keypad Installation
Covers the preparation of front/rear cases and installation of keypad and up-down keys.
Front Case, Board, and Cord Assembly
Board and Coiled Cord Attachment
Guides on attaching the main board and coiled cord to the front case with specific torque.
PTT Knob and Cushion Assembly
PTT Cushion and Knob Installation
Explains the correct method for installing the PTT cushion and knob onto the front case.
Casing Joining and Assembly
Front and Rear Case Joining
Details the process of joining the front and rear casing parts using screws and specified torque.
Microphone Packaging Procedure
Packaging Steps
Instructions for packaging the microphone, including applying seals and tape.
Microphone Packaging Procedure (EMS57)
Specific Packaging Steps for EMS57
Specific packaging steps for EMS57 model, including serial seal application.
Microphone Box Packaging and Folding
Box Folding and Insertion
Describes how to fold the packaging box and insert the microphone.
Circuit Diagrams
EMS52-53 Circuit Diagram
Detailed schematic for EMS52-53 models.
EMS56 Circuit Diagram
Detailed schematic for EMS56 model.
EMS54/EMS55 Circuit Diagram
Detailed schematic for EMS54 and EMS55 models.
EHM57 Circuit Diagram
Detailed schematic for EHM57 model.
Test Board Schematic
Schematic for the test board used with EMS54/55/56/57 models.