The best approach is to use a magnifying glass and carefully inspect the backside of the circuit board. This occurs at a higher rate for components which generate a lot of heat like Bridge Rectifiers, Power Transistors, large Electrolytic Capacitors, power input jacks and audio sockets which get a lot of use. After 30+ years, the solder begins to break down and hairline fractures appear. If you have a synth with no power or intermittent problems after it warms up, it's probably due to the fact that back in the 1980's Roland and other synth makers used sub‑par solder and/or not enough solder to hold components in place. I think these two topics are important enough to place at the top of all my synth INFO webpagesġ) I buy a lot of broken synths on eBay and I'm able to fix about 90% of everything I find. HARDWARE PROGRAMMERS & EDITORS - A Brief Overview Of What's Out ThereįAVORITE DIY TOOLS AND DIY VENDORS ‑ Tips For DIY Freaks Who Like To Save $$$ĪLPHA JUNO & HS-10 LCD REPLACEMENT - STOP That Horrible Shrill!ĪLPHA JUNO TACT SWITCH REPLACEMENT - Make Your Synth Responsive Again LOADING & SAVING INDIVIDUAL TONES - The Roland APR Programming Kludge MKS-50 TACT SWITCH REPLACEMENT - Make Your Synth Responsive Again LOADING & SAVING TONE BANKS - Methods, Troubleshooting Tips & "How-To's"īENDER BAR/MODULATION ISSUES - Troubleshooting Tips
MKS 70 SYSEX LIBRARIAN MOD
MKS-50 LCD CONTRAST MOD - An Easy Modification To Change The Viewing Angle
ODDBALL POWER CORD - Get Rid Of That Boondoggle!īATTERY REPLACEMENT - Internal Battery Replacement GuideĮNCODER REPLACEMENT - A Low Cost Encoder DIY And Super Easy! SYNTH COMPARISONS - Differences Between The Five SynthsįUSE REPLACEMENTS - AC Power Fuse Replacement Info SYSEX ELEMENTS - Commands Specific To The MKS-50 and Alpha Juno & HS SynthsĮRROR MESSAGES - Common Error Messages And Troubleshooting ROM IC VERSIONS - Revisions And Bug Fixes POWER SWITCH - High Quality Power Switch ReplacementsįACTORY RESET - Procedures To Restore Your Synth To A " Factory Fresh" StateĬHORD MEMORY - Creating, Saving And Playing New Chords SPECS - Dimensions, Power, Audio Output, ROM And RAMĪFTERTOUCH - Suggestions For Fixing This Common ProblemĪCCESSORIES - PG‑300, BCR2000, KIWI‑PE, M‑64C, EV‑5, DP‑2 And FS‑1 This Page Contains MKS‑50, Alpha Juno‑1, Alpha Juno‑2, HS‑10 And HS‑0 Information about įAQ - Manuals, Service, Troubleshooting, And Factory Presets Join the "Roland Alpha Juno" group on Facebook! Roland MKS-50, Alpha Juno And SynthPlus Information - Your One Stop Resource For MKS-50, Alpha Juno and SynthPlus Synthesizers - Patches, Tones, DIY, Utilities And Info
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