This is a Roland Juno-106 that has undergone extensive internal maintenance, professional circuit repair, and component replacement.

【Overview】

Released in 1984, this 6-voice polyphonic analog synthesizer features intuitive editing with DCO, VCF, and VCA, along with a rich chorus effect. Loved by countless artists worldwide, it remains an essential masterpiece in synth-pop, indie rock, and electronic music today. This specific unit is in stage-ready condition, with the notorious Juno-106 voice chip issues and aging backup circuit troubles completely resolved.

🔧 Service & Condition

This unit has undergone professional maintenance and precise circuit repair to ensure it meets functional standards for immediate use.

Condition Note: While this is a vintage instrument from 1984, it is in excellent functional condition. The exterior shows signs of age-appropriate wear, including scratches on the main panel and scuffs as seen in the photos. The silk-screen printing remains clear. Cosmetic condition is categorized as "Very Good".

Service details:

✅ Voice Chips Replaced: All 6 voice chips have been replaced with replacement clone chips for long-term reliability.

✅ Backup Circuit Repair: The reverse-current protection diode (D10) on the control board, which was causing abnormal battery discharge (voltage drop), has been replaced with a brand-new part.

✅ Battery Replaced: Internal CR2032 battery has been replaced with a brand-new one in a new battery holder.

✅ Calibration: A professional, precise calibration of the VCA/VCF modules has been performed on the actual unit. The sound image is extremely clear and well-defined.

✅ Factory Patches Restored: The original factory preload data has been restored.

✅ Tact Switch Replacement: One tactile switch that showed signs of failure has been replaced with a brand-new part for reliable operation.

✅ Cleaning & Maintenance: All sliders, pots, jacks, and the output level switch have been cleaned.

Functional Test:

✅ Keyboard: Full 61-key functionality. All keys and 6 voices are confirmed for stable output.

✅ Controls: All tactile switches, sliders, and pots respond correctly.

✅ Function: All items have been thoroughly checked.

✅ Audio Output: Main outputs and headphone jack are functional. Output levels and signal quality are consistent with normal operating standards for this model.

✅ MIDI: MIDI In/Out has been tested and confirmed.

✅ Internal: No solder cracks or capacitor leakage are observed on the boards.

Accessories: ・Main unit (Attached power cable).

⚡ Voltage 100V AC (Japanese domestic model). We recommend using a quality step-down transformer in 120V/220V regions to ensure the longevity of the circuitry.

💡 Discount Hint for European & Asian Buyers The listed price is optimized for the US market (DDP included). For buyers in Europe and Asia, we can often provide a better price (10-15% OFF) depending on your shipping zone. Please use the [Make an Offer] button!

🚚 Shipping & Taxes

Free Express Shipping via FedEx, UPS, or Japan Post EMS with tracking and full insurance. 🇺🇸 For US Buyers: NO additional import duties at delivery! We ship via DDP (Delivered Duty Paid). 🌎 For International Buyers (Outside US): Import duties, taxes (VAT), and customs fees are the buyer's responsibility.

📦 Packaging

As this is a precision electronic device, it will be securely and strictly packed to withstand impact and vibration during international transit, and will be shipped on schedule.

📩 Feel free to message us with any questions.

– Good Mark Tokyo