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Region / 50–60Hz mod

Region-free and 50/60Hz switching mods, including switchless auto-region.

6 repair logs

Sega Mega-CD 2 mainboard still on its original capacitors (not yet recapped), with the new region-free BIOS chip ready to go into the now-empty footprint where the old BIOS was removed.
+16 photos✓Successful repair

Sega — Mega-CD 2

Sega Mega-CD 2: Fuse Fix, Region-Free BIOS & Recap

Dead Sega Mega-CD 2 that turned out to have a single blown fuse. Fuse replaced, region-free BIOS installed, then fully recapped in a follow-up session. Also tidied up some interesting factory bodge cap placements along the way.

Broken/worn drive beltNo powerBlown fuse
Oct 5, 20223 threads
Blue quick-solder board (QSB) soldered directly onto a Sega 32X PCB for the switchless auto-hertz PAL/Japanese region mod.
+2 photos✓Successful repair

Sega — Super 32X

Sega 32X (Japanese) on PAL MD: Switchless Auto-Hertz

Getting a PAL Mega Drive and a Japanese Sega 32X to play together with a switchless auto-hertz mod that makes the 32X accept whatever region and refresh rate the Mega Drive is running.

Jun 19, 20221 thread
Sega Saturn mainboard with 50/60Hz mod installed; red modchip visible center-board with soldered connections to nearby IC chips.
✓Successful repair

Sega — Saturn

Sega Saturn PAL Switchless Region Mod (Type 2 Kit)

A switchless region mod on my PAL Sega Saturn using Consoles Unleashed's Type 2 kit, adding PAL60, NTSC and PAL50 switching through the console's own reset button.

Jan 23, 20221 thread
SNES 1-chip motherboard with lifted CPU pins, region switch mod wiring, and LED installation in progress during modification work.
+4 photos✓Successful repair

Nintendo — Super Nintendo Entertainment System (SNES)

Nintendo PAL 1-Chip SNES: RGB Bypass + Region Switch

Two mods on a Nintendo 1-chip PAL SNES (SNSP-001A): a self-assembled RGB bypass board by Borti4938 and the SuperCIC + UIGR + D4 patch switchless region mod kit from Consoles Unleashed.

Aug 25, 20213 threads
SNK Neo Geo AES (Rev 3-4): Recap, Unibios 4.0 & FirebrandX Fixes
+11 photos

SNK — Neo Geo AES

SNK Neo Geo AES (Rev 3-4): Recap, Unibios 4.0 & FirebrandX Fixes

This rev 3-4 AES was a service and upgrade rather than a fault chase: a full Console5 recap, a Unibios 4.0, the FirebrandX audio fixes that apply to this revision, and the 68 Ohm to 75 Ohm video resistor change. The VRAM was socketed preventatively while the board was open. Tested with Metal Slug X on a NEO SD Pro.

Mar 29, 20211 thread
SNK Neo Geo AES (Rev 3-3): Sprite Fault, Broken Traces & Recap
+24 photos✓Successful repair

SNK — Neo Geo AES

SNK Neo Geo AES (Rev 3-3): Sprite Fault, Broken Traces & Recap

This AES drew sprites incorrectly. Socketing the VRAM ruled out the usual suspect, then a reflow of suspect joints turned the fault into a green debug screen caused by a lost trace between the work RAM ICs. The cartridge connector with the smashed pin was replaced, and the original fault turned out to be a broken connection between the LSPC2 and the VRAM. Recapped with a Console5 kit and given the FirebrandX audio fixes along the way.

Corrupted graphicsBroken trace
Jan 28, 20211 thread