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DYNACO Stereo 400 - User Manual

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Updatemydynaco
Dynaco Stereo 400/410/416
Replacement RCA Jack Installation
(ST400RCAJ)
© 2021 AkitikA LLC
All rights reserved
Revision 1p02 March 9, 2021
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Summary

Section 1: About This Manual

Who Should Attempt this Project?

Identifies the skills and knowledge required for users to successfully complete the project.

Tools youll need

Lists the specific tools required for performing the RCA jack installation project.

Project Overview

Outlines the major steps involved in the RCA jack replacement project for the amplifier.

Important Safety Notes

Provides crucial safety precautions to prevent injury during amplifier servicing and kit assembly.

About Components

States the manufacturer's right to make design or component changes without prior notification.

Recommended Solder

Specifies the type and diameter of solder recommended for assembling the kit.

Warranty

Details the warranty coverage for the kit, including conditions and limitations.

Section 2: Kit Building Hints

General Building Advice

Offers tips on managing confusion, organizing parts, and seeking help for a smooth kit assembly.

Section 3: Building the New RCA Jack Assembly

Preparing RCA Jacks

Instructions for bending ground lugs on RCA jacks using needle-nose pliers before PCB mounting.

Installing Jacks on PCB

Details the process of mounting new RCA jacks onto the ST400 BD1 printed circuit board.

Section 4: Removing the Old RCA Jack Assembly

Disconnecting Heatsink Assembly

Explains how to separate the amplifier's heatsink assembly from the main chassis to access old jacks.

Removing Cover and Shields

Describes removing the perforated metal cover and transformer shield screws for access.

Removing Bottom and Side Screws

Instructions for removing screws from the bottom and sides of the amplifier chassis.

Section 5: Installing the New RCA Jack Assembly

Wiring the New Jacks

Guides on clipping, stripping, and bending wires to connect to the new RCA jacks.

Soldering Connections

Details the process of soldering the prepared wires to the new RCA jack assembly.

Mounting the New Assembly

Instructions on positioning and fastening the new RCA jack assembly to the heatsink.

Section 6: Reassembling the ST400

Securing Heatsink Assembly

Instructions for carefully repositioning and securing the heatsink assembly back into the chassis.

Final Reassembly Steps

Guides on reinstalling the transformer shield, perforated cover, and returning the unit to service.

Summary

Section 1: About This Manual

Who Should Attempt this Project?

Identifies the skills and knowledge required for users to successfully complete the project.

Tools youll need

Lists the specific tools required for performing the RCA jack installation project.

Project Overview

Outlines the major steps involved in the RCA jack replacement project for the amplifier.

Important Safety Notes

Provides crucial safety precautions to prevent injury during amplifier servicing and kit assembly.

About Components

States the manufacturer's right to make design or component changes without prior notification.

Recommended Solder

Specifies the type and diameter of solder recommended for assembling the kit.

Warranty

Details the warranty coverage for the kit, including conditions and limitations.

Section 2: Kit Building Hints

General Building Advice

Offers tips on managing confusion, organizing parts, and seeking help for a smooth kit assembly.

Section 3: Building the New RCA Jack Assembly

Preparing RCA Jacks

Instructions for bending ground lugs on RCA jacks using needle-nose pliers before PCB mounting.

Installing Jacks on PCB

Details the process of mounting new RCA jacks onto the ST400 BD1 printed circuit board.

Section 4: Removing the Old RCA Jack Assembly

Disconnecting Heatsink Assembly

Explains how to separate the amplifier's heatsink assembly from the main chassis to access old jacks.

Removing Cover and Shields

Describes removing the perforated metal cover and transformer shield screws for access.

Removing Bottom and Side Screws

Instructions for removing screws from the bottom and sides of the amplifier chassis.

Section 5: Installing the New RCA Jack Assembly

Wiring the New Jacks

Guides on clipping, stripping, and bending wires to connect to the new RCA jacks.

Soldering Connections

Details the process of soldering the prepared wires to the new RCA jack assembly.

Mounting the New Assembly

Instructions on positioning and fastening the new RCA jack assembly to the heatsink.

Section 6: Reassembling the ST400

Securing Heatsink Assembly

Instructions for carefully repositioning and securing the heatsink assembly back into the chassis.

Final Reassembly Steps

Guides on reinstalling the transformer shield, perforated cover, and returning the unit to service.

DYNACO Stereo 400 Specifications

General IconGeneral
Frequency Response20Hz to 20kHz
Damping Factor50
Signal to Noise Ratio100dB
Speaker load impedance4Ω to 16Ω
Weight45 lbs
Power Output200 watts per channel into 8Ω (stereo)

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