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Comment: 10k for Hardsync
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titleProject

Projecttitel: ISE-NIN

Status: 
Status
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titlefinished

Startdate: 26th Aug.2022

Duedate: 15th Sep.2022

Last page update:

08

11.

Oct

Nov.2023 - VCO Sync failure

Manufacture link: https://black-corporation.com

Modwiggler: https://www.modwiggler.com/forum/viewtopic.php?t=265268

Facebook Build Group: https://www.facebook.com/groups/517757979447099 

Facebook User Group:  https://www.facebook.com/groups/800008500661600

Gearspace : https://gearspace.com/board/electronic-music-instruments-and-electronic-music-production/1353336-black-corporation-ise-nin-8-voice-analogue-synthesizer-15.html

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titleDisclamer

This guide is a best practice guide and I'm not responsible for any damage, or product quality.

Please respect your local laws/regulation for handling of electronics/electricity 

Do not try to build this device without basic knowledge of synthesizers. You need experience.

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Issue ID

Date

Location

Type

Identified issue

Resolution


related for development

affected PCB version

fixed Version
130 Aug. 2022BOM - VoicesERROR

 Mouser part number for the trimmer is invalid 

Line 180: 652-3296X-1-103RLF
Line 181: 652-3296X-1-104RLF


BOM 1.0.0 and 1.0.1 update needed

--

BOM 1.02
230. Aug 2022BOM - MainboardINFOthe 220uF caps on the Mainboard are BI-POLAR  - respect the BOM partnumber


307 Sep. 2022Hardware BoardBUG

there's no Pinout described on the Hardware Board for the OLED - 


please read the INFO section in the next table on  "OLED  selection" carefullycan be improved with better silkscreen information1.0
413 Sep. 2022BOM: VoicesINFOthe Mouser BOM shows 32x 240pF C0G capacitors for the Voices - used in the OTA Filter. These are 10% tolerance.you can change the capacitors to Polypropylene, 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)  ---
513.Sep.2022



create a Silkscreen for MTA156 Powerheader pinout1.0
629.Oct.2022VoicesBUGVCO Sync use the wrong waveform

remove on every Voicecard IC3 (TL064).

bend Pin 12 of the TL064 outwards, install the IC3 back in the IC socket and solder a resistor leg from Pin12 to Pin10 as shown:

fix the PCB routing

1.0
717.Nov.2022PSU cardINFO

The DC-DC converter goes very hot after 30minutes, but its within the data sheet specs (65degrees Celsius is the max. operation).

The 65 degrees can be reached in Summer or other conditions (few hours operating time)

But for longterm stability of the components, I highly recommend the usage of a big cooler

install a 25x25mm cooler with an high of minimum 20mm.

I found on tme.eu a product with self adhesive foil and 24.5mm height.

the temperature of the DC.DC converter is 51 degrees after an hour on the regulator and 43 degrees on the cooler.


TME Part nr.

ATS-55250W-C1-R0

1.0BOM 1.02 is updated for this !!
8

08.Oct.2023

update on 04.Nov.2023

all voicesBUG

the Sync function must be fixed 

there's a "stepping" in the sync sound.

respect Step 6 from the Issue list too.

update: 04.November 2023

there's a additional 10K resistor to be installed, which isn't described in the notes here.

Connect an additional 10K Resistor to GND via PIN10. This resistor is shown in the ssi2131 data sheet.

Image Added



1.0


Important Information before you start assembling:

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