DIY-high-END

DIY-high-END

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Basic interconnection example

5V module

Bridge close


T1

~

~

9V module

Bridge open


T2

~

~

Orange +5V

Black

Display

Connector

S-version

Pin 1

Mechanism

Power connector

1214

Pin 1

In this configuration T1 should provide minimum 8.5 V and maximum 16V .

T1 should be able to provide 2 A peak with an average of 1 Amp.

For thermal management reasons it is not advised to go over 12V for T1.


T2 should provide minimum 11V and maximum 18V.

The peak current required is 2 A and with an average of 1 Amp. Thermally no limit is reached.


To be well within the power supply window for under and over voltage situations a


2 x 12V   2.5 amp or 30VA  transformer is advised.

Note: for a low power dissipation T1 is best rated at 9V  and T2 at 12V. You may take 2 transformers or you may take 2 windings both on the same transformer.  ( this suits as well mains variations)


It is as well allowed to hook AC inputs to a  DC source of minimum 12 VDC and maximum 16VDC.

For a quick test during the player development phase this allows for fast comparisons.


A 12V battery DC source is HUM Free and has no ground loops, capacitive, inductive with the mains voltage.  Therefore the output can't be influenced by it.


For more interconnection suggestions see

PDF file here.

The ground points should be used for the purpose they are intended for.


The ground point Y3 is only for the mid tap in case of a mid tap transformer configuration.


The Yc- is the minus of  an additional external capacitor and not a ground point.


It can be the minus side of a rail if you hook up more capacitors.