Braze Donkey Kong Jr Free Play and High Score Save Kit
Product information "Braze Donkey Kong Jr Free Play and High Score Save Kit"
Braze Donkey Kong Jr. High Score Save Kit — Features & Install
Overview
A simple-to-install high score save kit for Donkey Kong Jr. that permanently remembers the top 5 scores and initials. Includes deluxe Free Play with full attract mode, selectable attract-mode sound, power-on self-test, and an on-screen settings menu for easy configuration. Installs in minutes with no special wiring or soldering for most cabinets.
*Note: Some 4-boardset style DK boards have the Z80 CPU soldered in. Inspect your CPU board before installation.
Installation Summary
- Power down the cabinet and access the CPU board.
- Carefully remove the Z80 CPU from the DK Jr. CPU board.*
- Insert the Z80 CPU into the included daughter card.
- Plug the daughter card into the vacated Z80 CPU socket.
- Power on and follow the install guide to verify operation.
*If your Z80 is soldered in (common on some 4-boardset units), desoldering or another method may be required.
Key Features
- Installs in minutes — no board modifications or special wiring for most cabinets.
- Top 5 High Score Save — permanently remembers scores + initials (no batteries required).
- True Free Play — full attract mode even while in Free Play.
- Selectable attract-mode sound — enable or disable through settings.
- Power-on diagnostics — automatic POST each time the cabinet boots.
- On-screen settings menu — adjust options and erase high scores without opening the cabinet.
FAQ
Where can I download the install guide?
Do I need to solder anything?
Most installations require no soldering. Some 4-boardset DK boards have the Z80 soldered in—check your CPU board first.
How do I reset the high scores?
Use the on-screen settings menu to erase the high score table and restore defaults.
Can I toggle attract-mode sound and Free Play?
Yes. Both features are adjustable through the settings menu.
Which CPU does this kit use?
The kit interfaces with the Z80 CPU—remove the Z80, place it in the daughter card, then insert the card into the Z80 socket.
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1 review
September 23, 2025 12:15 AM
Super awesome works perfectly!
So this was super easy to install and breeze a little extra Life by allowing me to have some free play without having the coin up and hold my high scores for my DK Jr. For anyone who has questions I have a cocktail cabinet and it works just as well as it does for an upright there's no difference. Super easy to install and I super love it. It's great for parties and stuff when people come over people can see where their high scores are and if I turn off the machine, the scores are still there when I turn them back on. You can change it or clean the cords off afterwards if you wish. Plus just fortunate it's easy to install
Accessories
Z80 8-Bit Microprocessor (40-Pin CPU) The Z80 is an 8-bit microprocessor widely used in classic arcade PCBs. This 40-pin CPU handles core game logic and timing and is essential to reliable board operation. Used In Arcade Games Such As Donkey Kong Galaga Donkey Kong Jr. Frogger Galaxian Dig Dug Xevious …and more! *Brands may vary.
40 pin Socket Specifications Pitch: 2.54 mm (0.100″) Pins: 40 (2×20) Mounting: Through-hole (THT)
8035 8-Bit Microcontroller (Sound CPU, 40-Pin DIP) The 8035 is an 8-bit microcontroller (MCS-48 family) widely used as the sound CPU on classic arcade PCBs. This 40-pin DIP handles audio control, timing, and I/O tasks that support the main game processor. Used In Arcade Games Such As Donkey Kong Donkey Kong Jr. Donkey Kong 3 …and more! *Brand/marking may vary (e.g., NEC 8035).
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