Yamaha DX7 II-D power "restart" problem - YamahaMusicians.com
Delirious Xcitement (SOS Mar 88)
Picked up my first synth today! Just needs a battery replacement and she's good to go. Can't wait to get to know this machine. : r/synthesizers
Installing a New Battery in a Yamaha DX7 – Negatron Blog
STUDIO REPAIR - Yamaha DX7 II-D - Battery
Yamaha DX7IIFD OLED Display | Super Synth Projects
synthesizer - DX7 BATTERY CHECK = 4.3V instead of 3V even after replacing it with new compatible battery - Music: Practice & Theory Stack Exchange
Yamaha DX7IIFD FM Synthesizer Repair – Jim Atwood in Japan
How to replace the battery in a Yamaha DX7s
How to replace the battery in a Yamaha DX7s
DX-7 II – Synthfind
MATRIXSYNTH: Yamaha Dx7-ii Fd Synthesizer SN 05645 w/ Original Soft Case Gig Bag
Dale on Twitter: "Well, thanks to @oshpark and this cool free design from Music Technologies Group, we can! This lets us install a nice battery holder. I cut some spare header pins