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Issue: the part number for the trimmer at mouser isn't correct (more information is in the "Issue" list)
the Case and Panel can be ordered with the PCB set
The case and panel are included with the kit.
""The additional parts include:
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SCREWS, NUTS, BRACKETS, STANDOFFS, POTENTIOMETERS and the CENTER DETENT SLIDER
(Motherboards have all DACS, CPU, audio CODEC, and headphone amp already mounted on them).
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- You need experience in soldering SMT Parts (around 350 SMT capacitors and 24 32 ICs in SOIC format).
- required Tools are required: Soldering Station, Flux pen, magnifying Glasses, Oscilloscope, some pliers, tweezers, PC or Mac for installation of the boot loader and firmware
- Its preferred It is recommended to have a bench- power supply with current limiter for the first test.
- the programming is made by a Programming is done via an ST-link programmer which is listed in the BOM (in case of former DDRM builders - you can use the existing programmer)
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Date | Location | Type | Identified issue | Resolution | related for development | affected PCB version | fixed Version |
|---|---|---|---|---|---|---|---|
| 30 Aug. 2022 | BOM - Voices | ERROR | the Trimmer Mouser Mouser part number for the trimmer is invalid | Line 180: 652-3296X-1-103RLF | BOM update needed | -- | |
| 30. Aug 2022 | BOM - Mainboard | INFO | the 220uF caps on the Mainboard are BI-POLAR - | respect the BOM partnumber | |||
| 07 Sep. 2022 | Hardware Board | BUG | there's no Pinout described on the Hardware Board for the OLED - | please read carefully the next following INFO section section carefully | can be improved with an silkscreen info | 1.0 | |
| 13 Sep. 2022 | BOM: Voices | INFO | the Mouser BOM show shows 32x 240pF C0G capacitors for the Voices - used in the OTA Filter. This These are 10% tolerance. | you can change the capacitors to PolypropPolypropylene, Silver MICA, Styrene - with 1-2.5% or match good capacitors in this range with an LCR meter (check the data sheets of the meter) | - | - | - |
| 13.Sep | create a Silkscreen for MTA156 Powerheader pinout | 1.0 |
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Power supply PCB (PSUb) - check the LED orientation and make a note it for the Hardware Board
Breakoutboard (BB)
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Hardware Board (HB) - do not install the headers /pins, no LEDs yet, no sliders , no potentiometer
wash the pcbs PCBs !
assemble the voices until the other pcbs are dry - do not install the trimmer until you have washed the pcbsPCBs!
install the sliders on CBthe Hardware Board, the potentiometer must be installed with the front panel attached for best alignment
install the spacers (12mm spacer between CB HB and MB) put the MB on the CB HB - then solder the headers on the pcbs
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Instructions for Flashing
• Connect STM LINK to the Motherboard
• Turn ISENIN on
• Open STM Cube Programmer
• Select ST-Link, select connect
• Select erasing and programming button
• Browse select ISENIN CM4 Start programming
• Repeat this the procedure described above and select ISENIN CM7 Start CM7 - Start programming
• Disconnect and restart ISENINISE-NIN
Calibration
Instructions for Calibrating
• First, put all CENTER DETENT pot / sliders in at center,
• Go into MENU, CALIBRATION, SLIDER POT CALIBRATION, run
• (after 30 min of warmup), Go go to the MENU, CALIBRATION, VCO CALIBRATION, run.
• MENU, CALIBRATION, RESONANCE. Follow this from the Jupiter 8 manual Turning , turning Trim1 for each voice (or see below):
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