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Xbox-Hq.Com :: View topic - Sega Master System II (SMS2) A/V Mod
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forahobby
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Joined: May 22, 2003
Posts: 23240
Location: NSW, Australia

Post Posted: Fri Jan 04, 2019 6:41 am   
Post subject: Sega Master System II (SMS2) A/V Mod
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Hi guys,

I had an hour to kill today, so I decided to sit down and mod a couple of SEGA Master System 2's I had lying around the place. (one for me - the other for DOA666). It's an extremely simple mod. I would give it a 1 out of 10 for difficulty. You can check out more info & pics below.

What's an A/V Mod?
This mod enables the Sega Master System II to output composite video and dual channel mono sound via RCA sockets.

Why Perform the Mod?
The Sega Master System II is a cost reduced version of the original SMS console. The cost reduced version only has RF output. In France, SMS2 consoles have a DIN output which supports RGB via an external adapter.

Tools Needed:
- Soldering Iron
- Solder
- Phillips Header Screwdriver
- Skill (lol)

Parts Needed:
- 1 x 16V 220 uf capacitor
- 1 x 75 ohm resistor
- 3 x RCA Jacks
- Wire (I used ribbon cable)

SONY CXA1145 PINOUTS:
- PIN 1: GROUND
- PIN 9: AUDIO (Mono)
- PIN 20: VIDEO



Sega_Master_System_3_Compositve_Mod_5.jpg
 Description:
Sega Master System II (SMS2) - Composite Output - video and audio mods
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DOA666
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Joined: Apr 15, 2005
Posts: 585
Location: Newcastle, Australia

Post Posted: Mon Jan 14, 2019 5:40 pm   
Post subject:
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how long does the mod take to complete?
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forahobby
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Joined: May 22, 2003
Posts: 23240
Location: NSW, Australia

Post Posted: Mon Jan 14, 2019 9:03 pm   
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DOA666 wrote:
how long does the mod take to complete?


Didn't take me long at all, probably 20 minutes. If you're a newb at modding set aside an hour or more.

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