RGR Famicom HVC-CPU-07 Main Board repro

Description

Description:

This is an improved reproduction of the original Famicom HVC-CPU-07 mainboard, redesigned with all-new components and refined circuit routing for better reliability and serviceability.

Please note that several original parts are not included and must be sourced separately:
CPU, PPU, reset switch, and the 1P/2P controller ports.
Details are provided in the Notes section below.

The mainboard is 100% compatible with:

• The original Famicom plastic shell

• The RGR transparent clear replacement shell

Shipping
In-stock items ship within 3–5 business days via standard airmail.
Out-of-stock items may require up to 14 days for assembly, inspection, and quality testing before dispatch.

Disclaimer
This product is not designed, manufactured, sponsored, endorsed, or licensed by Nintendo® or its affiliates.

Package Contents

• Famicom HVC-CPU-07 replacement mainboard

• Enhanced circuit routing and improved layout design

• Full compatibility with all original HVC-CPU-07 functions

• ENIG (Electroless Nickel Immersion Gold) PCB using all brand-new components:

  • Gold-plated cartridge connector

  • High-precision resistors and capacitors

  • New DB-15 controller port connector

  • Newly manufactured ICs / logic components (CPU and PPU not included)

Notes (Important)

1. This product requires basic soldering skills and appropriate tools.

2. CPU and PPU chips are not included.
   IC sockets are provided but will not be pre-installed.
   

3. The original reset switch must be sourced by the user.
   A Cherry MX switch mount adapter is included as an alternative option.
   STL file (if you wish to print your own): https://www.thingiverse.com/thing:6207935
   Reference installation posts:
   https://twitter.com/RgRDev/status/1621048799279079432 & https://twitter.com/RgRDev/status/1617572119180873728
   

4. The 1P/2P controller port connectors are not included.
   You may reuse original parts or wire the controllers directly to the mainboard.
   

5. The cartridge slot contacts are fully gold-plated and manufactured to professional durability standards, ensuring reliable long-term performance.
   

6. This product includes a 1-year limited warranty.
   Damage caused by incorrect soldering, modifications, or firmware flashing is not covered.
   Warranty service is free; the customer is responsible only for shipping costs.

Disassembly Reference

How to disassemble the original Famicom mainboard:
https://www.ifixit.com/Teardown/Nintendo+Family+Computer+(Famicom)+Teardown/3199

Recommended Optional Parts

RGR Famicom Power Adapter Board

Provides cleaner and more stable power delivery.
Product page: https://retrogamerestore.com/store/famipoweradapter/

RGR Famicom Composite Video Adapter

Outputs cleaner composite video by eliminating mainboard line noise.
Installation requires removing transistor 2SA-937 and soldering 4 pins.
Product page: https://retrogamerestore.com/store/famicompositeadapter/

RGR Transparent Famicom Shell (Top Shell Only)

High-clarity injection-molded shell.
Product page: https://retrogamerestore.com/store/famicom/

USB-C PD Power Input Daughter Board (for RGR Power Adapter)

Allows powering the system using USB-C PD chargers (must support 9V output).
Product page: https://retrogamerestore.com/store/famipoweradapterusbpd/

RGR Advanced Famicom Eject Lever Mechanism

Improved smoothness and durability over worn original parts.
Product page: https://retrogamerestore.com/store/fcadvlever/

Article from RetroRGB: Famicom Board Upgrade Kits | RetroRGB

Quote: “I recently tested upgrade kits from Retro Game Restore for the original Famicom.  I really think most people who own the console would be interested in the rear board, regardless of signal output – It’s a clean install and I LOVE the sound upgrade (more info below).  And if you plan on using composite video instead of doing an RGB mod, I strongly recommend the very easy composite bypass as well.  Lastly, RGR also offers an entire replacement motherboard, if yours is damaged or no longer working”

Testing and Assembling Video from RetroRGB:

Please be reminded the included postage here is only for standardized airmail parcel. Should you choose other logistic services, such as EMS, to have your parcel dispatched, the additional costs will be borne by the customers.

Please also be kindly noted that due to the nature of air freight, parcels are measured by volumetric weight. It means the bigger/heavier the parcel is, the higher is the postage. In this case, should you choose to combine two items to be dispatched together, there will be extra costs for the postage. If you need more information, please send us DM. Thank you for the cooperation.