Author Topic: Data East Hybrid RCDM_I107  (Read 5232 times)

mikemcbike

  • Jr. Member
  • *
  • Posts: 37
  • I'm the universal solder
    • View Profile
    • Mike's Repair Logs
Data East Hybrid RCDM_I107
« on: October 24, 2018, 12:45:53 PM »
Hybrid RCDM-I107 reverse engineered

for example with Caveman Ninja, Data East created a PCB filled up with custom ICs and funny ceramic hybride circuits...
If you connect the JAMMA the wrong way, at least one RCDM_I107 gets fried by the 12V audio supply voltage.
If you are unlucky, your custom 104 gets killed, too. You can rename it to 404 - function not found... ;D

I was curious, what's inside a I107 and how it can be replaced.
« Last Edit: October 24, 2018, 12:51:57 PM by mikemcbike »

mikemcbike

  • Jr. Member
  • *
  • Posts: 37
  • I'm the universal solder
    • View Profile
    • Mike's Repair Logs
Re: Data East Hybrid RCDM_I107
« Reply #1 on: October 24, 2018, 12:53:56 PM »
a combination of 100R/1k (original) or 100R/10k (see photo) is perfectly working. You neither need the capacitors nor the protection diodes...

Here's the full story in German language: http://www.wolfgangrobel.de/arcadereps6/caveman.htm
« Last Edit: October 24, 2018, 12:56:51 PM by mikemcbike »

smarty

  • Jr. Member
  • *
  • Posts: 99
  • Hampshire, UK.
    • View Profile
    • Jumpnfire.com
Re: Data East Hybrid RCDM_I107
« Reply #2 on: October 25, 2018, 07:06:02 PM »
Nice work :)

You have a good website too, lots of good info and repair ;logs on there, I like your IC list PDF. Seems like a good quick reference for lots of devices.
www.jumpnfire.com

MOST WANTED CABS:

mikemcbike

  • Jr. Member
  • *
  • Posts: 37
  • I'm the universal solder
    • View Profile
    • Mike's Repair Logs
Re: Data East Hybrid RCDM_I107
« Reply #3 on: October 26, 2018, 06:04:27 AM »
Thank you very much, smarty!

Laszo

  • ArcadeLifeStyler'
  • ***
  • Posts: 989
  • Building
    • View Profile
Re: Data East Hybrid RCDM_I107
« Reply #4 on: November 11, 2018, 09:49:30 PM »
👍 nice fix