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Author Topic: Nintendo Arcade  (Read 27562 times)

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Offline channelmaniac

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  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #80 on: May 18, 2022, 10:42:32 PM »
Model: Donkey Kong
Symptom: Deconvert Special Forces back to DK. Screen rolls.

Replaced bad pots to fix screen rolling issue. Removed daughter board, graphics ROMs, color ROMs, 3 Bipolar PROMs, and removed 2 soldered jumpers. Installed new Z80 and Sound CPU sockets as the square pins on the daughterboard damaged them. Installed 4 newly programmed Program ROMs, 2 Sound ROMs, 2 Color ROMs, 4 Graphics ROMs, and 3 Bipolar PROMs.  Tested. Board had bad jump sounds. Patched 2 cut traces on the 4049 IC in the jump sound section and tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #81 on: May 23, 2022, 08:35:48 PM »
Model: Punch Out
Symptom: Dead

Replaced missing 74LS14 on the CPU board /RESET line. Replaced bad CPU. Board powered up but was missing colors. Replaced a broken PROM socket at 8F and a bad PROM at 8E on the BAK PCB. Replaced broken transistor on the counter output circuit. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
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  • Posts: 2472
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  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #82 on: March 13, 2023, 10:13:03 PM »
Model: Donkey Kong 3
Symptom: No blue on display

Replaced bad 82S129 PROM at 1C on the CPU board. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #83 on: April 03, 2023, 12:17:48 AM »
Model: Vs. Super Mario Bros
Symptom: Red screen, graphic corruption, reboots.

Replaced all 12 28-pin and all 4 40-pin sockets as they were corroded. Patched a gouged trace on the bottom of the PCB going to ROM 8B's control line. Reprogrammed the ROMs as they had been partially erased by exposure. Replaced the ROM at 6C as it failed to reprogram. Installed 2 missing transistors to restore the Green and Blue color outputs. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #84 on: April 03, 2023, 12:19:24 AM »
Model: Vs. Super Mario Bros
Symptom: No sync, reboots

Replaced all 12 28-pin and all 4 40-pin sockets as they were corroded. Patched 6 battery damaged traces between the ROMs at 1A and 1B and 1 damaged trace between the ROMs at 2A and 2B. Reprogrammed the ROMs as they had been fully erased by exposure. Replaced a missing capacitor in the SYNC output circuit to restore video sync. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #85 on: April 03, 2023, 12:20:24 AM »
Model: Vs. Castlevania module
Symptom: ROM Error on boot.

Reprogrammed the EPROM as it had been partially erased by exposure. Straightened a bent pin and tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #86 on: November 26, 2023, 10:58:33 PM »
Model: Playchoice 10
Symptom: Garbage on screen

NES subsection was fine. The Z80 subsection had garbled junk on screen.

Replaced 74LS42 cartridge selector IC and patched one damaged trace. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #87 on: December 12, 2023, 08:00:37 PM »
Model: Donkey Kong
Symptom: Dead. Garbage on screen.

Cleaned edge connector with a fiberglass pencil. Replaced bad Z80 and the corroded CPU socket. Reprogrammed the corrupted ROM at 5E. Tested. Board would attempt to play but had text garbage on screen and the girders were corrupt. Replaced 2x 2114 RAM chips and tested - no sound. Replaced corroded sound CPU socket and reprogrammed the Sound Program and Sound Sample ROMs as they were blank. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #88 on: December 23, 2023, 09:48:31 PM »
Model: Punch Out
Symptom: Missing computer character

Replaced corroded power and video connectors on CPU board and the power and video cables. Symptom would come and go if board was flexed. Found 2 bodge capacitors next to C62 that were touching. Moved capacitors apart and tested.
« Last Edit: December 24, 2023, 08:55:18 AM by channelmaniac »
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
  • Global NLG Site Moderator
  • NLG Member 501 to 10,000 Posts
  • *
  • Posts: 2472
  • Reputation Power: 174
  • channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!channelmaniac Is an-NLG GOD!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Nintendo Arcade
« Reply #89 on: December 23, 2023, 09:49:49 PM »
Model: Super Punch-Out
Symptom: Missing player character

Character ROMs had no output. Pin 22 was stuck high on each. The 74 LS139 at 6J was missing the G (Control) input on pin 15. Replaced 74LS04 at 6E and tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

 

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