Saturn:Digital Audio (SPDIF) Mod: Difference between revisions

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(Created page with "Original guide adapted from a [https://web.archive.org/web/20170626072614/https://www.assemblergames.com/threads/saturn-dreamcast-toslink.57670/ post by citrus3000psi]. This tutorial assumes you have a TDA1386T DAC chip in your Saturn. Refer to this thread for parts and more info: http://assemblergames.com/l/threads/700x-ps1-toslink-success.57639/ # On the back of the motherboard, solder these four points to your SPDIF board or TOSLINK adapter. #: File:Saturn SPDIF...")
 
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Original guide adapted from a [https://web.archive.org/web/20170626072614/https://www.assemblergames.com/threads/saturn-dreamcast-toslink.57670/ post by citrus3000psi]. This tutorial assumes you have a TDA1386T DAC chip in your Saturn.  
Original guide adapted from a [https://web.archive.org/web/20170626072614/https://www.assemblergames.com/threads/saturn-dreamcast-toslink.57670/ post by citrus3000psi]. A good writeup about this mod can be found on [https://www.firebrandx.com/psxdigitalaudio.html FireBrandX's site].
 
This tutorial assumes you have a TDA1386T DAC chip in your Saturn.  
 
== Required Parts ==
 
Parts are dependent on if you want SPDIF or TOSLINK:
* SPDIF:
** [https://oshpark.com/shared_projects/dmxP90H4 PEP Audio 1.1 - SPDIF PCB by citrus3000psi]
** TX178A (SPDIF port)
** 0.1uF capacitor
 
* TOSLINK:
** [https://oshpark.com/shared_projects/kvtStGOq - TOSLINK PCB by citrus3000psi]
** TC7W04FK chip
** TC9231N chip
** Two 0.1uF capacitor (0603 size)


Refer to this thread for parts and more info: http://assemblergames.com/l/threads/700x-ps1-toslink-success.57639/
Refer to this thread for parts and more info: http://assemblergames.com/l/threads/700x-ps1-toslink-success.57639/


# On the back of the motherboard, solder these four points to your SPDIF board or TOSLINK adapter.  
== Installation ==
 
# Assemble the PEP Audio PCB.
# Bridge the "SAT" pad on the PEP Audio PCB to the pad next to it.
# On the back of the motherboard, solder these four points to your SPDIF board or TOSLINK adapter:
## DATA on motherboard to DAT on PEP Audio PCB.
## BCK on motherboard to BC on PEP Audio PCB.
## LRCK on motherboard to LRC on PEP Audio PCB.
## MCLK on motherboard to MC on PEP Audio PCB.
#: [[File:Saturn SPDIF Mod 1.jpg|400px]]
#: [[File:Saturn SPDIF Mod 1.jpg|400px]]
# Solder +5V to pin 7 of the TC9231N and connect GND to your SPDIF board or TOSLINK adapter.
# Solder +5V to pin 7 of the TC9231N and connect GND to your SPDIF board or TOSLINK adapter.

Revision as of 16:29, 14 July 2023

Original guide adapted from a post by citrus3000psi. A good writeup about this mod can be found on FireBrandX's site.

This tutorial assumes you have a TDA1386T DAC chip in your Saturn.

Required Parts

Parts are dependent on if you want SPDIF or TOSLINK:

Refer to this thread for parts and more info: http://assemblergames.com/l/threads/700x-ps1-toslink-success.57639/

Installation

  1. Assemble the PEP Audio PCB.
  2. Bridge the "SAT" pad on the PEP Audio PCB to the pad next to it.
  3. On the back of the motherboard, solder these four points to your SPDIF board or TOSLINK adapter:
    1. DATA on motherboard to DAT on PEP Audio PCB.
    2. BCK on motherboard to BC on PEP Audio PCB.
    3. LRCK on motherboard to LRC on PEP Audio PCB.
    4. MCLK on motherboard to MC on PEP Audio PCB.
    Saturn SPDIF Mod 1.jpg
  4. Solder +5V to pin 7 of the TC9231N and connect GND to your SPDIF board or TOSLINK adapter.
    Saturn SPDIF Mod 2.jpg
  5. Mount your SPDIF/TOSLINK PCB. This is one suggested location, but it may depend on what devices you may have installed in your unit.
    Saturn SPDIF Mod 3.jpg
  6. Mount your external jack. This is one suggested location, but may require trimming of the case.
    Saturn SPDIF Mod 4.jpg
  • Example completed install:
    Saturn SPDIF Mod 5.jpg
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