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Author Topic: Sega Games (Other Arcade)  (Read 13308 times)

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Offline channelmaniac

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Re: Sega Games (Other Arcade)
« Reply #40 on: December 30, 2014, 04:30:37 PM »
Model: Clutch Hitter (System 18)
Symptom: Will not play.

Replaced missing PAL and tested.

Converted game to Hammer Away. :)
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Few things are better than fixing an old game...
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Re: Sega Games (Other Arcade)
« Reply #41 on: January 11, 2015, 10:19:41 PM »
Model: My Hero
Symptom: Lines on screen when cold

The top of the screen and a few other graphic elements had lines through them for the first couple of minutes of game play until the board warmed up. Replaced a bad 315-5025 18-pin custom IC at IC46 and tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Few things are better than fixing an old game...
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Re: Sega Games (Other Arcade)
« Reply #42 on: January 28, 2015, 07:32:37 PM »
Model: Wonderboy
Symptom: Dead. Nothing on screen.

Replaced bad program ROM at IC132 and bad sprite ROM at IC 2 on the small daughterboard. Board would now play blind. Cleaned board, replaced bad 74S175 at IC153 and IC152 to restore video output. Graphics were corrupt and sprites were missing. Cleaned ROM legs on IC80, 81, 82, and IC63, 64, and 65 to fix graphics issue. Replaced bad 74S175 at IC67 to restore sprites. Replaced broken red LED and tested game.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Few things are better than fixing an old game...
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Re: Sega Games (Other Arcade)
« Reply #43 on: September 27, 2015, 12:31:07 PM »
Model: Clutch Hitter
Symptom: Dead. Sync is improper causing monitor to go crazy.

Removed suicide CPU replaced it with a standard 68000 CPU. Converted game to Hammer Away ROMs and set the jumpers on the daughterboard. Reflowed several sides of surface mount chips that were barely soldered at the factory and noticed that the main CPU clock was missing. The three oscillators were dead and would jump to life when the power pins were touched with the logic probe. Replaced OSC1, OSC2, and OSC3 and tested.

Reset Backup RAM to fix the garbled high score table and retested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Few things are better than fixing an old game...
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Re: Sega Games (Other Arcade)
« Reply #44 on: March 10, 2016, 10:22:39 PM »
Model: Regulus
Symptom: Dead

Cleaned corroded pins on all socketed chips. Board would boot but had no sync and no blue. Cleaned edge connector and retested. Board would boot and play but had corrupt background graphics. Self test showed ROM 133 was bad. Checked the socket and found pin 11 (Data 0) was not making contact with the IC. Replaced the bad socket and tested the board successfully.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #45 on: August 21, 2016, 05:28:36 PM »
Model: ST-V
Symptom: Dead

Reflowed the 2 SH-2 CPUs then replaced 3 burned 75 ohm resistors and 3 blown transistors in the video output section. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Posts: 1542
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  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #46 on: December 18, 2016, 07:00:26 PM »
Model: Bloxeed
Symtpom: Missing graphics elements. Garbage on screen.

Reflowed a surface mount video controller IC that had cracked solder joints and tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Posts: 1542
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  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #47 on: December 18, 2016, 07:03:58 PM »
Model: Columns
Symptom: Dead

Replaced 2 bad 64K SRAM ICs and a damaged ROM socket then straightened a bent pin on one of the program ROMs. Board would then run through attract mode but had missing graphics. Replaced the 27C010 EPROMs (JEDEC pinout) with the correct 27C100 (non-JEDEC pinout) EPROMs and tested. Board would lock up when starting game. Replaced incorrect security IC and retested successfully.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • Posts: 1542
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  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #48 on: December 21, 2016, 10:03:10 PM »
Model: Naomi
Symptom: Leaking supercap. Will not read switches.

Removed IC31, its socket, and the leaking supercap. Cleaned under and around the cap and where IC31 was. Patched a damaged trace to IC29. Installed a new 8 pin socket for IC31 and patched a damaged trace to pin 4 of it. Game would boot but not read any switch. Replaced 2 bad pushbutton switches and 1 set of 4 DIP switches with new ones 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 10000 Posts
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  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #49 on: December 24, 2016, 12:39:00 AM »
Model: Naomi
Symptom: Noisy. Replace supercap

Replaced case fan and leaking supercap. Tested. Failed RAM tests for IC29. Jumpered 2 dead traces and replaced the 8 pin EEPROM socket. Tested successfully.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

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  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #50 on: December 24, 2016, 12:40:08 AM »
Model: Naomi
Symptom: Dead

Board actually played blind. Replaced 3 bad 470uf caps in the video circuit and a dead 315-6145 DAC IC to restore video. Replaced the 8 pin EEPROM socket and the leaking supercap. Tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
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  • Posts: 1542
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  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #51 on: December 27, 2016, 12:07:03 PM »
Model: Naomi GD-ROM
Symptom: GD-ROM not found. Noisy.

Replaced optical mechanism and tested. Replaced bad fan and tested again.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
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  • NLG Member 501 TO 10000 Posts
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  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #52 on: January 30, 2017, 08:59:39 PM »
Model: Moonwalker
Symptom: Dead

Board had a Sega Resurrection kit installed but was not brought back to life.

Checked the data bus pins on the program ROMs from Sega Resurrection and found that the chip in A7 had garbled data lines, but the EPROM checked good in a programmer. Back tracked the circuit and found the Work RAM on the same bus and replaced it. Tested the game successfully.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

Offline channelmaniac

  • Surface mount soldering geek
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  • NLG Member 501 TO 10000 Posts
  • *
  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #53 on: February 19, 2017, 07:24:41 PM »
Model: Thunder Blade
Symptom: Dead

Replaced the suicide CPU with a proper 68000 CPU and erased/reprogrammed 2 EPROMs with suicide free code. 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 10000 Posts
  • *
  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #54 on: May 22, 2017, 10:15:30 PM »
Model: Moonwalker
Symptom: Dead

Board was missing 1 program ROM, 3 SCR ROMs, 2 Sound ROMs, and 4 OBJ ROMs.

Replaced dead CPU with a 68000 CPU, replaced the program ROM and the missing program ROM with ones programmed with suicide free code. Replaced remaining missing ROMs and tested. Board worked but had graphic corruption with some elements and colors missing. Patched a gouged trace going to pin 8 (Address line A0) of the 2 Color RAMs 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 10000 Posts
  • *
  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #55 on: October 11, 2017, 09:42:41 PM »
Model ST-V
Symptom: Locks up while playing

Reflowed the 2 SH-2 CPUs 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 10000 Posts
  • *
  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #56 on: October 11, 2017, 09:43:20 PM »
Model: ST-V
Symptom: Cart Error

Put board in factory test mode and it failed the Slave CPU test. Reflowed both SH-2 CPUs to fix the error 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 10000 Posts
  • *
  • Posts: 1542
  • Reputation Power: 117
  • channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!channelmaniac Is leading the good life!
  • Few things are better than fixing an old game...
    • Arcadecomponents.com - Looking for hard to find chips?
Re: Sega Games (Other Arcade)
« Reply #57 on: October 11, 2017, 09:44:44 PM »
Model: ST-V
Symptom: Dead. Missing plug-in power coupling module.

Fabricated a replacement module and installed it. Board was still dead. Tested the GAL chip next to the 68K CPU and the BIOS chip by substitution from a working board. Still dead. Reflowed both SH-2 CPUs to revive the board and tested.
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com

 

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