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Replacement of the 'JK-02' custom IC used on Jaleco Mega System 1 arcade hardware
Gaming
Retrocomputing

'JK-02' replacement

Sold by Caius Arcade

$36.00

No tax for United States [change]
Stock available: 5

What is it?

This is a pre-assembled board meant to be used as a replacement for faulty 'JK-02' custom IC used on Jaleco Mega System 1 arcade hardware.List of games :

  • P-47: The Phantom Fighter / Japan P-47: The Freedom Fighter
  • Kick Off
  • Samurai-Fighter Shingen / Japan Takeda Shingen (武田信玁E
  • Ninja Kazan / Japan
  • Legend of Makai / Japan Makai Densetsu (魔魁伝説)
  • Tenseiryu: Saint Dragon (天聖龍~セイントドラゴン)
  • Plus Alpha (プラスアルファ)
  • Jitsuryoku!! Pro Yakyuu (実力!! プロ野球)
  • Hachoo!
  • The Astyanax / Japan The Lord of King (ザ・ロードオブキング)
  • Rod Land / Japan
  • 64th. Street: A Detective Story (64番衁EA DETECTIVE STORY)
  • E.D.F.: Earth Defense Force
  • Avenging Spirit / Japan Phantasm (ファンタズム)
  • Soldam (ソルダム)
  • Big Striker (ビッグストライカー)
  • Cybattler (サイバトラー)
  • Peek-a-Boo!
  • Hayaoshi Quiz Ouza Ketteisen (早押しクイズ王座決定戦)
  • Chimera Beast

Why did you make it?

I did it because the original part breaks very easily, making expensive and valuable arcade PCBs useless.

What makes it special?

The replacement has exactly the same functionality of the original part which is known to be prone to failure.It's the only replacement available so far, nobody else made it.

Links to code and documentation

No additional links provided for this product.

Shipping policy

Shipping is tracked, you receive the tracking number.

- No insurance.

- Item ships within 7 business days.

- Delivery is usually done within 7-15 business days.

The seller

Caius Arcade

Caius Arcade  logo

Vietri sul Mare (Salerno), Campania, Italy
1 order since May 10, 2026
LONG LIVE THE ARCADE!