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| | |-+  Capcom CPS1 / CPS2 Games
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Author Topic: Capcom CPS1 / CPS2 Games  (Read 52820 times)
channelmaniac
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« Reply #50 on: February 10, 2012, 11:13:36 PM »

Model: X-Men vs. Street Fighter
Symptom: RAM Error

The RAM error would follow the cart and not the A board. Replaced bad Object RAM (64K surface mount) at location 3A and 4A on the cartridge board. Tested.
Logged

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channelmaniac
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« Reply #51 on: February 24, 2012, 01:11:41 AM »

Model: King of Dragons
Symptom: Corrupt video

Board had sparkles and lines on the screen. If pin 24 on the Video RAM from P1 through P7 was touched the screen would go crazy with sparkles and dots. Removed corrosion on pins 41 and 42 of 2H on the A board and jumpered the two traces to the chip's solder pads. Tested.
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channelmaniac
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« Reply #52 on: March 07, 2012, 09:16:01 PM »

Model: Captain Commando
Symptom: Dead. Has physical damage

Replaced 1 broken 20 pin socket, 1 broken ferrite filter, and 1 missing PAL on the C board. Replaced 2 broken 4.7k resistor packs on the C board, straightened the kick harness connectors, then modified the C board to run with phoenix ROMs. Replaced 1 broken ferrite filter on the B board. Installed phoenix ROMs and tested.
Logged

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channelmaniac
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« Reply #53 on: March 07, 2012, 09:17:36 PM »

Model: 3 Wonders
Symptom: Garbage on screen. Locks up.

Replaced bad A board to fix graphic corruption. Modified the C board and installed phoenix ROMs to fix lockup/crashes. Tested by playing all three games to the end.
Logged

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http://www.arcadecomponents.com
channelmaniac
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« Reply #54 on: March 07, 2012, 09:18:22 PM »

Model: Punisher
Symptom: Dead

Modified C board and QSound board to work with phoenix ROMs. Installed phoenix ROMs and tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
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« Reply #55 on: March 07, 2012, 09:19:18 PM »

Model: Knights of the Round
Symptom: Dead

Modified C board to work with phoenix ROMs. Installed phoenix ROMs and tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
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« Reply #56 on: April 14, 2012, 05:39:51 PM »

Model: D&D 2 Shadow over Mystara
Symptom: Dead

Removed battery from board. Reprogrammed EPROMs with the Phoenix code. Game crashes. ROM10 was too slow and was replaced with a 120ns EPROM. Tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
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Few things are better than fixing an old game...


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« Reply #57 on: April 21, 2012, 08:01:25 PM »

Model: 3 Wonders
Symptom: No sound

Jumpered burnt trace under the Z80 sound chip. Replaced bad sound program ROM. Tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
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« Reply #58 on: August 21, 2012, 12:50:16 PM »

Model: Final Fight
Symptom: Graphic corruption

Game had flashing sprites for some characters and objects.

C board was missing a signal on pin 41. Traced it back to a bad trace on the A board. Repaired trace and tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
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Few things are better than fixing an old game...


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« Reply #59 on: August 28, 2012, 11:48:54 PM »

Model: Cadillacs and Dinosaurs
Symptom: Dead

Board had suicided. Modified the C board and QSound board. Replaced 2 ROMs on the ROM board and one on the QSound board with phoenix code. Tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
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Few things are better than fixing an old game...


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« Reply #60 on: December 27, 2012, 11:52:17 PM »

Model: Super Street Fighter II Turbo
Symptom: Dead

A/B board set came from a local auction buy. Battery was rolling around inside cart.

Removed ROMs 3-8, erased them, and reprogrammed them with suicide free code. Board booted but had distorted sound and incorrect graphics. Programmed and installed missing BGSG1 PAL on daughter board. Reset improper jumpers JP10 through JP29 and board booted with proper sound and graphics. Tested game.

NOTES: BGSG1 PAL controls sound ROM decoding. BGSG2 PAL controls graphic ROM decoding. Board appears to have been a swap where someone was attempting to fix another cartridge. That's the only explanation I could think of for all the incorrect jumper settings and the missing PAL.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
Global NLG Site Moderator
Sr.Tech NLG Member 1000+ Post
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Posts: 2127


Few things are better than fixing an old game...


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« Reply #61 on: December 28, 2012, 12:48:02 AM »

Model: 1944
Symptom: Dead. Blue Screen.

Erased ROM 3 and reprogrammed it with suicide free code. Tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
Global NLG Site Moderator
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Total Karma Storms: 568
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Posts: 2127


Few things are better than fixing an old game...


WWW
« Reply #62 on: September 16, 2013, 10:41:34 PM »

Model: Dungeons and Dragons: Tower of Doom
Symptom: Dead

Reprogrammed ROMs 3, 4, 5, and 7 with suicide free code, and ROM 6 with European region code. Tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
Global NLG Site Moderator
Sr.Tech NLG Member 1000+ Post
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Total Karma Storms: 568
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Gender: Male
Posts: 2127


Few things are better than fixing an old game...


WWW
« Reply #63 on: September 18, 2013, 07:12:51 AM »

Model: The Punisher
Symptom: Dead

Removed batteries from the C board and Q sound board. Modified both boards to use phoenix code and replaced the necessary EPROMs with faster ones using the phoenix code. Tested.

NOTE: Do not use any non-AMD EPROM slower than 150ns and AMD EPROM slower than 120ns when phoenixing CPS1 or CPS1.5 games as they will experience random crashes.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
Global NLG Site Moderator
Sr.Tech NLG Member 1000+ Post
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Total Karma Storms: 568
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Gender: Male
Posts: 2127


Few things are better than fixing an old game...


WWW
« Reply #64 on: September 18, 2013, 07:13:35 AM »

Model: Captain Commando
Symptom: Dead

Removed battery and modified C board to use the phoenix code. Reprogrammed 2 EPROMs with phoenix code and tested.
Logged

I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
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