Update: The issue has been solved. Pin 4 and 5 on the PIF chip had been bridged. Removing that fixed all my issues.
Orignal post is included below.
Hello.
Me and my friend recently attempted to mod my N64 PAL unit with Tim Worthingtons RGB mod v3.
The unit has a NUS - CPU (P) - 01 motherboard and a DENC-NUS video encoder/DAC chip.
For cable I have a Nintendo SNES PAL RGB scart cable with luma sync from coolnovelites
After soldering in the RGB mod, the N64 does not seem to produce any audio or video output either with the RGB cable or the original composite cable.
Tested to connect the console directly to a tv with scart input, and through a retrotink 5X neither will work anymore.
The D1 light turn on on the bottom of the mod board and the LED on the N64 but nothing else.
Notes regarding the mod.
I have attached pictures of all the soldering. I know the soldering isn't the prettiest but they should be solid enough to work.
Do anyone have any idea what the problem might be? Do anything look wrong on the pictures? Is there any other check you would recommend ?
I am thinking that either something might have been shorted out/broken during the install that prevent the N64 to turn on, or some pin have lost connection for the DAC ship which prevent the sync and composite signal to reach the AV port. In that case I might just have to add a sync signal from the RGB board to the luma pin on the AV multiport.
Thank you for any input
Orignal post is included below.
Hello.
Me and my friend recently attempted to mod my N64 PAL unit with Tim Worthingtons RGB mod v3.
The unit has a NUS - CPU (P) - 01 motherboard and a DENC-NUS video encoder/DAC chip.
For cable I have a Nintendo SNES PAL RGB scart cable with luma sync from coolnovelites
After soldering in the RGB mod, the N64 does not seem to produce any audio or video output either with the RGB cable or the original composite cable.
Tested to connect the console directly to a tv with scart input, and through a retrotink 5X neither will work anymore.
The D1 light turn on on the bottom of the mod board and the LED on the N64 but nothing else.
Notes regarding the mod.
- Jumper J1, J2 and J3 have been bridged as I have an PAL cable
- Only Red Blue and Green have been soldered to the AV multiout port, as the console already should have luma sync natively? Therefor no sync signal from the RGB board have been added
- Cleaned expansion pack port, expansion pack and cartridge port with IPA
- Tried multiple cartridges
- Checked conductivity for all solder joints and connection
- Checked conductivity for luma from DAC chip to end of RGB cable
- Checked conductivity between R G B pads on RGB mod board and end of RGB cable
- Checked conductivity between flex cables solder joints on DAC chip and various pins on RCP chip.
I have attached pictures of all the soldering. I know the soldering isn't the prettiest but they should be solid enough to work.
Do anyone have any idea what the problem might be? Do anything look wrong on the pictures? Is there any other check you would recommend ?
I am thinking that either something might have been shorted out/broken during the install that prevent the N64 to turn on, or some pin have lost connection for the DAC ship which prevent the sync and composite signal to reach the AV port. In that case I might just have to add a sync signal from the RGB board to the luma pin on the AV multiport.
Thank you for any input
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Last edited by qnorsten,
