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, attract-mode sound (selectable), power-on self-test, and an on-screen settings menu for easy configuration. Installs in minutes—no special wiring or soldering is typically required.*
*Note: Some 4-boardset style DK games have the Z80 CPU soldered to the CPU board. Inspect your board before installation.
Installation Summary
- Power down the cabinet and access the CPU board.
- Carefully remove the Z80 CPU from the DK CPU board.*
- Insert the Z80 into the included daughter card.
- Plug the daughter card into the vacated Z80 socket on the CPU board.
- Power on and follow the install guide to verify operation.
*If your Z80 is soldered in (seen on some 4-boardset units), desoldering or a different approach may be required.
Key Features
- Installs in minutes: no board modifications or special wiring for most cabinets.
- Top 5 High Score Save: remembers scores and initials permanently (no batteries).
- True Free Play: full attract mode while in Free Play.
- Selectable attract-mode sound: enable or disable via settings.
- Power-on diagnostics: automatic self-test each time the game powers up.
- On-screen settings menu: adjust options and erase high scores without opening the coin door.
Just the FAQ's
Where can I download the install guide?
Do I need to solder anything?
Most installations require no soldering or special wiring. Some 4-boardset DK units have a soldered Z80; check your 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 options are adjustable in the on-screen settings menu.
Which CPU does this kit interface with?
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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