scrubber
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Mb6582 low and distorted audio problem
scrubber replied to scrubber's topic in Testing/Troubleshooting
Fixed this! Is was a dodgy sn74hc595! Swapped from a working core and tested, pow! Sprung to life! All 4 cores working now I cam seal it up and make some bangers! -
Hey! I've got a problem on the last stereo set of sids The output is very weak and distorted I've checked the voltages on a working core to this core and they are the same I've replaced the caps, transistors, resistors and alsorts on the audio mixer section Changed the caps on the crystal section and I can't work it out The jumpers are on for 9v, ive removed the feedback pot ive tested the mios chip on another core and it works, I've tested the sids on another core and they work It's just the last core 4 not working It seems to respond to the midi inputted the same as on other channels but it's so quiet and distorted Out of ideas????
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Awesome guide!!! very clear and concise! Thanks for that!!!!! It was the removal of the master PIC that I hadn't done or changed my lcd over to core 2!
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Hey Managed to get my 1st PIC flashed with mios and the mb6582 firmware (device 0) and everything seems fine on the LCD ect I've put in another PIC with bootloader on and changed the jumper on j11 to 2 yet mios studio fails to recognise at all? I've even tried removing the successful PIC and placing in the new one with just bootloader putting the jumper back to 1 and device id 0 and it still fails to recognise?
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FIXED! Sorry I had put in c2,4, 11 and 12 as in the original pics and these are not required silly! And as you can guess from.my measurements below generate 12v Apologies Ignore comments below this ;) Having problems with this myself :( Going for the 8580 exclusively so it will require 9v and 5v measurements I have installed v1 as the recommended 7809 and at v4 the 5v recom 1.5a but on measuring I am getting 12v in and out on the 7809, and the same.on the 5v recom? I have everything as in the pictures and jumpers underneath soldered with wire as in the guide? any ideas? I'm using a 12v dc multiadapter with +12v on the pin and the - on the 0v pin? But using a multiadapter had +12v and -12v on each side doesn't it? What have I done wrong? thanks
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Sorry just been reading and listening dwestburys ARM2SID debate and they seem ace especially with the newfirmware and configuration program I mean if anyone I selling real ones I'll have them lol and can replace the clones over time ;)
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Hey Wondered if anyone was selling their SID chips in bulk for the build as it would be awesome to have all 8 for me MB6582 ?? Anyone getting rid? Don't fancy the swinsid as have listened and looked at the pros and cons videos
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Someone must know ;)
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Hello I have nearly finished my lemur patch for the midibox Tia and am trying to work out how to set the cc messages that have the bits i have no trouble setting the 'regular' ones where you set the cc number then scale (0-127) or 0-64 positive/negative how do I set for example the Lfo mode: cc93 hex: 5dh bit 0 enables lfo Bit 1 sync assigned note events bit 2 sync all note events bit 6-4 waveform 0 sine 1triangle 2 saw 3 pulse 4 random example 11h =17 enable and triangle wave How do I set the bits? I don't understand how those example hex numbers were calculated or how to implement into my patch?
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Thanks for the response to this Yeah would love to get trigger and voct ins to the sammich. I see on the ninstrument one they have pb and velocity pot also, not essential but would be good and an inverted switch I think for + and - signals. So I need to grab a ain module and compile the sammich to allow these new adc ins with protection buffer for the incoming signals?
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Sorry if this has been covered before (usually the case) ;) but could anyone point me in the right direction to how to add cv inputs to my sammichSID please? Is it a case if adding one of the modules for adding cv in or out to a regular midibox sid to the sammich? Or would there be more to it? I've seen the ninstrument guy has euroracked his with cv ins and even added extra rows of.leds to correspond with that also but on contact there wasn't enough interest to release a kit or whatever and then I asked for help/plans on how I can diy it with no joy/response :) I know it could be easier grab a cv to midi module to convert the cv to midi (which I did) but isn't the same as patching it up I feel Thanks!
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hey! are these boards still being printed yo! let me know wanna get this ting finished up!
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i swapped the 4685 back over to the 452 chip to test that my MIDI was correct and the core was functional and to test that MIOS would send hex over OK so I knew it wasn't any of my ports, wiring and all that! it worked fine with the 452 but not the 4685, so I was saying that it must be my bootloader burn that is the problem on the 4685 ;) im back onto the JDM programmer as the USB programmer I have doesn't support 4685 (why was I not surpised, every hurdle in construction I have hit) got a PC with serial port so its all good to start the quest to burn onto the 4685, gonna have to be with PICpgm too not Winpic800 as 4685 is not supported..i'm on it ;)
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yeah its my bootloader burn, loaded the 452 back into the core and MIOS flashes onto it in secs!
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no! won't uplaod the mios 1.9 hex either? even with or without the resistor diode??? aaahhhhhhhhhhhhhhhhh! :no: just times out after 16 attempts to load the hex http://instagram.com/p/o862pnrPmO/ screenshot of my mios screen
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yeah man! already done bootloader_v1_2b_pic18f4685.hex via my PIC burner as standard ahhh right I haven't done the mios 1.9 hex using MIOS yet!!!!! thanks! let's see what happens now! blam!!!!!!!!!!
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coool! already had done layer 1 (bootloader) it is layer 2 (Mios) I am having problems with! it's not letting me upload the base hex! even with the resistor and diode???? its loaded with bootloader and says 'Core up and running' when connect to MIOS
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cheers for the info! still doesn't seem to work for me? still getting "no response from the core after 16 retries" added the resistor and diode, does it matter that I am not powering the core with the J2 pins? I am using J1? they are both tied together anyways.. I haven't got the TIA module connected to the core as of yet, does that matter, I assumed I can flash through MIOS without? then connect
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OK! so....replaced the chip in the CORE v2 with 4685 and its up and running with MIOS! where do I add this resistor to allow the upload of the TIA hex? can't seem to find any info? also just to clear up, which hex do I want to upload cartridge or base? both? thanks!!! I can smell the completion of this tasty project vsoon!
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sweeet! best get the chip ordered and check the wiki for adapting the CORE using the resistor! yeah man, I added the display with the hope of future developments, plus it came free off my friend who dumped the CORE, JDM burner and a half built SID module with the display at my house that he had in a drawer since 2003/4 ;) already have a SID synth made so decided to use the parts for this! and the Atari was free (for parts or not working state) TIA was fine and harvested! here's a couple of pics so far (i've since finished wiring the MIDI and audio ect) http://instagram.com/p/mP6uwirPjN/ http://instagram.com/p/mP7E_bLPjs/ thanks for the help!
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yo man! ended up getting the PIC kit and flashed my 18F452 with the new 1.2 bootloader then the 1.9 MIOS via MIDI, and this project is only for the 18F4685!!! crap!!!! I can't win :( spent bare time today debugging my CORE to get that far too ;) It's all swish and layed out inside an Atari 2600 case with the MIDI IN/OUT where the controllers used to be, power socket, and screen under where the carts used to go! perfect fit! its pimped and ready Is there no way of this working with 18F452? would mean changing hex tho i guess! if I have to get another PIC chip, no problem, but will it work with my old skool MBHP CORE v2? as it was designed for 18F452? hmmmmmmmmm!
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yeah was that!!! delete this sorry!
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hahahah sorry just noticed its on 2.4.6 I'll give that a blast lol! been a while ;)
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Hey yo! I am connecting up my sammichSID to MIOS Studio and I'm getting nothing? I have tried using two different MIDI interfaces, checked my MIDI cables work ect, nothing wrong with the Sammich, I have conencted to MIOS a while back to upload patches and save my own ect?? worked fine back then, using same gear? I am on mac 10.7.5 but wouldn't of thought that would make any difference? any help please would be much appreciated!
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no worries! cheers for the reply/offer think i'm just gonna have to get a programmer next chance I can ;)