Board Revision: DMG-CPU-06
Copper Shield Marking: 008 22
Estimated Year of Manufacture: 1990
Source: Blast From the Past YQL (Lethbridge, AB, Canada)
Appears to be previously opened
Board Revision: DMG-CPU-06
Copper Shield Marking: 008 22
Serial Number: G10397424
Estimated Year of Manufacture: Likely Q3 (July–September) or Q4 (October–December) 1990
All OEM parts, aside from reproduction tempered glass screen cover
Treatment completed on March 15, 2025, October 13, 2025
1 hour of tested gameplay: passed (tested by Lauren)
sometimes will not turn on
not reading cartridge properly
buttons do not work
previous work had left glue visible on face of the screen and led hole, non-original adhesive (silicone based)
significant yellowing on front and sides due to light exposure, none at the back, probable display unit
marred finish due to mystery splotches & indents, appears to be the shell's plastic has been molten by a solvent such as acetone
Nintendo logo has been damaged
texture of d-pad has been significantly worn down, with some mild scratches on the A and B buttons
mostly OEM parts
modern parts found: membranes & screws
deep cleaning of internals and shell
mechanical removal of mild corrosion and debris using 99% isopropyl alcohol and 100% cotton swabs
buttons now work and cartridge reads properly
overall the board is in very good condition, best condition in this batch
mild smudging of stamped board number has occurred due to the 99% isopropyl
brightening of original shell
submerged in 3% hydrogen peroxide solution with a tablespoon of 40% sodium percarbonate
exposed to UV light (405nm) at a distance of 15cm for 4 hours
moderate brightening achieved
appearance of splotches have not improved much
shell stored away to be used in future display unit
shell swap
due to the damage done to the Nintendo logo, this motherboard is a candidate for a shell swap
motherboards have been transplanted into the shell of device R0-3
original buttons from device R0-4 used to have the best condition
replaced modern membranes with OEM membranes
all modern screws replaced with OEM screws
use of Novus 2 Light Scratch Remover
use of Novus 1 as an anti-fog, antistatic, and dust repellant
applied reproduction glass screen cover for superior clarity
October 13, 2025
glass lens has been replaced due to manufacturing misalignment
silicone spacers add to side of screen for optimal alignment
October 13, 2025 - Screen and Screen Glass Alignment Fix