Thank you for viewing. This is a fully maintained PC Engine DUO, with the electrolytic capacitors replaced and the optical pickup adjusted. Both Hu cards and CD-ROMs work smoothly. Furthermore, by converting the save data backup memory to FRAM, save data can be retained almost permanently without a battery. This product is for the main unit only. It is offered at a low price for those who already have a PC Engine DUO set and need to maintain the main unit. If you need accessories, they can be added for an additional fee. Please comment if you would like any. ・Genuine AC adapter (¥2,500) ・Genuine AV cable (¥2,000) ・Genuine controller (¥2,500) If you wish to purchase immediately, please note that we cannot negotiate the price due to the nature of the product. [Included Items] ・PC Engine DUO main unit (maintained, FRAM converted) [Operation Check] ・Hu card, CD-ROM operation ⭕️ ・AV video output ⭕️ ・Audio output (volume OK, left/right balance OK, no noise) ⭕️ ・Headphone output (volume adjustment OK) ⭕️ ・Save function ⭕️ [Condition Notes] Upon close inspection, there are some age-related scratches on the top and bottom of the main unit. Please refer to the photos. [Maintenance Details] We have combined our know-how for maintaining retro PCs and game consoles over many years. ・Disassembly and cleaning of the main unit ・Replacement of all electrolytic capacitors on the main board ・Repair of deteriorated parts on the main board ・Cleaning the board with anhydrous alcohol ・Disassembly, cleaning, and greasing of the CD-ROM drive's moving parts ・CD-ROM drive focus/gain adjustment Considering that the lifespan of internal components is about 10 years at the shortest, maintenance is essential to continue using it after 30 years since its release. You should be able to enjoy it for 5 or 6 years, not just 2 or 3. Thank you for your consideration. #Yokomumu's PC Engine DUO Maintenance #PC Engine DUO