There are scratches and damage due to aging. Operation confirmed. Cleaned with anhydrous ethanol. HuCard (game cartridge) is working fine. CD-ROM output is working fine. Music CD playback is working fine. Headphone output is working fine. *RGB output can be added for a fee (with cable). ●Included items ・Original controller ・Self-made AV cable ・Original AC adapter ●Maintenance details ・All electrolytic capacitors replaced with new ones. ・FRAM installed, 2-bank configuration. ・Bank selection switch added. ・Pickup adjustment. ・Greasing of disc drive moving parts. ・New IC bypass capacitors for disc drive components. ・Greasing of hinges, switches, etc. ・New headphone volume control. ・Solder repairs in various locations. ・LED replaced from red to blue. ・Card connector terminals polished. ・SRAM removed. ・Supercapacitor removed. The AV cable is self-made, but of the same quality as the original. The backup RAM has been changed from SRAM to FRAM, which does not require batteries or charging. In practical terms, save data will not be erased for a lifetime under normal use. The data storage bank has been configured to 2 banks, allowing for twice the data storage capacity. *The capacity of each bank is the same as before. Bank switching is done with the switch on the back. *Always switch when the power is OFF. *Always switch when the power is OFF. The card connector terminals have been polished. If the HuCard is working fine, it will start up immediately. Shipped via Mercari delivery service. Software is not included. Questions will be answered in the comment section at any time. If there are any problems, please contact us before receiving the item. That's all. If you are interested, Thank you.