Related Manuals for DYNACO Stereo 400
Summary of Contents for DYNACO Stereo 400
- Page 1 Updatemydynaco Dynaco Stereo 400/410/416 Replacement RCA Jack Installation (ST400RCAJ) © 2021 AkitikA LLC All rights reserved Revision 1p02 March 9, 2021 Page 1 of 12...
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Page 2: Table Of Contents
Table of Contents Table of Contents ........................ 2 Table of Figures ........................2 Section 1: About This Manual .................... 3 Who Should Attempt this Project? ................. 3 Tools you’ll need ......................3 Project Overview ......................3 Important Safety Notes ....................4 About Components ...................... -
Page 3: Section 1: About This Manual
Replacing these jacks with new gold-plated jacks will make for a much lower resistance ground connection. These new jacks also project a bit more from the back panel. This makes the Stereo 400 able to mate with a wider range of RCA jack configurations. -
Page 4: Important Safety Notes
3. Installing the new RCA Jacks. 4. Reassembling the amp. Important Safety Notes By purchasing, using, or assembling this kit, you have agreed to hold Akitika LLC harmless for any injuries you may receive in its assembly and/or use. To prevent injuries: ... -
Page 5: Section 2: Kit Building Hints
Section 2: Kit Building Hints Yes, I know you want to ignore this section and jump right into building the kit. However, please take a minute and read the advice. I’ve condensed it into bullets so that even you guys who are in a hurry can benefit. ... -
Page 6: Section 4: Removing The Old Rca Jack Assembly
Figure 3-Building the new RCA jack assembly, front view Figure 4-Building the new RCA jack assembly, back view Note the position of the ground lugs and the orientation of the contacts of the jacks as shown in Figure 4. The ground lugs should ideally be at 12 o’clock, but anywhere from 11 o’clock to 1 o’clock is fine. -
Page 7: Figure 5-Remove The Two Transformer Shield Screws
Label a cup, “perforated metal cover screws”. Remove the screws that hold the black, perforated metal cover to the chassis, and place them in the labeled cup. There are: 1. Four screws along the top front edge of the perforated metal cover, just behind the faceplate. -
Page 8: Figure 6-Remove Two Screws From The Side, Behind The Fan
Figure 7-Remove two side screws (non-fan side) Turn the Stereo 400 on its side, with the transformer side on the table to get access to and remove 9 screws on the bottom. Once again, labeling these screws and the lock-washers can take some of the guess-work out of reassembly. -
Page 9: Section 5: Installing The New Rca Jack Assembly
Figure 8-Remove 9 bottom screws Assuming that your Stereo 400 is like mine, you should now be able to wiggle the heat- sink assembly loose from the chassis. Be careful and gentle, as there are a number of wires that hold the heat-sink assembly to the chassis. Your Stereo 400 might even have a screw that mine didn’t, as there may have been changes during production that I am not... -
Page 10: Figure 9-Back Is Rotated Away From The Chassis
4. Black wire from the green-black pair to the ground lug of the white RCA jack. If you’d like, you can now fold the wire ends over, converting the L-shape to a U-shape. Either way, it’s time to solder the 4 connections to the jacks. Figure 9-Back is rotated away from the chassis Figure 9-Back is rotated away from the chassis Page 10 of 12... -
Page 11: Figure 10-Solder Wires To The New Rca Jack Assembly
Figure 10-solder wires to the new RCA jack assembly Figure 11-Position the jack assembly prior to installation Use the supplied 6-32x5/8” sems screw and 6-32 keps nuts to fasten the new RCA jack assembly to the heatsink. There will be a little bit of play between the mounting holes, screws, and RCA jack PCB. -
Page 12: Section 6: Reassembling The St400
You’ll note that the tops of the new RCA jacks project further than the old ones by about 1/8”. This may allow the use of a wider range of RCA jack style for making input connections. Figure 12-New RCA jack kit is installed Section 6: Reassembling the ST400 Reverse the procedure used to disassemble the ST400 to reassemble it.