Beast Tek Dirty Glitch v2.0 Assembly Manual Download | Manualshive

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Dirty Glitch Assembly Manual

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Step 9

Time for some testing! Double check all solder joints. When you are happy with your work, connect the

power cable to a eurorack power supply so that test measurements can be made with a multimeter.

IMPORTANT:

Do NOT do this in a case with other modules installed

. If there is a fault with your work, it

could fry/burn/destroy other modules connected to the same power system.

Using a multimeter set to DC volts with a range capable of measuring 5v – 24v, test the voltages at the

following points:

IC2 – connect the positive probe to pin 4 and the negative probe to pin 11.

You should get a reading of between 23v to 24v .. the power diodes used to protect the module against

reverse power connection do cause a small voltage drop of approx. 0.4v

In the photo below, my reading is 22.8v because I am using a 4ft power cable (which causes significant

voltage drop) so that I can assemble and take photos easily.

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Summary of Contents for Dirty Glitch v2.0

Page 1: ...www beast tek com Dirty Glitch Assembly Manual 1 ...

Page 2: ...04 Power Diode IN4004 3 Q1 20mhz Crystal 1 C1 C19 100uf Electrolytic Capacitor 100uf 2 C4 C5 22pf Ceramic Capacitor 22 2 C11 C12 220nf Green Cap 224 2 C13 C14 4 7uf Electrolytic Capacitor 4 7uf 2 C15 10uf Electrolytic Capacitor 10uf 1 C17 DO NOT POPULATE N A C22 470uf Electrolytic Capacitor 470uf 1 C2 C3 C8 C18 C20 C21 C23 100nf Blue Monolithic Capacitor 104 7 C6 C7 C9 C10 C16 220nf MKT Capacitor ...

Page 3: ...This step can be made a lot easier using a small piece of scrap metal or rigid cardboard slightly larger than the PCB First insert the machine pin strips into place then sitting the metal cardboard on top and applying a small amount of pressure flip the board over so the pins can be soldered in place Tip Solder only 2 pins of each socket at first to hold them into place Now flip the board over to ...

Page 4: ... Step 3 Now is the perfect time to solder the 20mhz crystal into place The crystal should not sit in contact with the PCB Soldering the crystal now means the machine pins can be used as a guide so that the crystal will sit approx 1mm from the board Now solder the remaining IC pins and crystal ...

Page 5: ...e used as a cutting guide Now cut the pin header socket using side cutters if desired then use a file to clean up the edges Step 5 IMPORTANT The female pin header strips must be installed on the REVERSE non silk screened side Install the pin headers into their locations JP1 JP4 on the reverse side of the board Once again use a scrap piece of metal cardboard so that the board can be flipped over fo...

Page 6: ...rip then turn the board over to inspect and make sure the header strips are seated at a right angle and that they are flush with the PCB board If required the header strip can be adjusted by heating one joint at a time and gently moving the header strip into the correct location ...

Page 7: ...www beast tek com Dirty Glitch Assembly Manual 7 Once seated correctly solder the remaining header strip pins ...

Page 8: ...wn between soldering each pin Also install the 3 x IN4004 power diodes D1 D2 D3 Make sure the polarity of the diodes is correct the stripes on the diode should match the stripes on the silk screen Refer to the photos below if uncertain Once soldered trim off the component legs using side cutters Step 6 Install and solder the 2 x 22pf ceramic capacitors C4 C5 and the 7 x 100nf blue monolithic capac...

Page 9: ...tical Use the photos and steps below to ensure it is oriented correctly Install the 10 pin shrouded IDC eurorack power socket JP3 Use the photo below to ensure correct orientation Solder one of the pins to hold in it place Now use the supplied power cable to ensure correct orientation If installed correctly the red strip on the cable should be facing toward the bottom of the board Once the IDC soc...

Page 10: ...troy other modules connected to the same power system Using a multimeter set to DC volts with a range capable of measuring 5v 24v test the voltages at the following points IC2 connect the positive probe to pin 4 and the negative probe to pin 11 You should get a reading of between 23v to 24v the power diodes used to protect the module against reverse power connection do cause a small voltage drop o...

Page 11: ... IC2 You should get a reading of around 11v to 12v once again the diodes will cause a voltage drop of approx 0 2v and my measurements below are out by 0 8v because of the gigantic eurorack power cable IC2 connect the positive probe to pin 11 and connect the negative probe to one of the ground pins on C20 or C21 located directly above IC2 You should get a reading of around 11v to 12v ...

Page 12: ...on the PCB Step 10 IMPORTANT Make sure you disconnect the eurorack power cable before continuing work on the PCB Install the 330ohm resistor R12 and the 330nf MKT capacitor C16 Once soldered trim the leads Step 11 Time for some more tests This time we will be checking the 5v supply voltage for the ATMega1284p microcontroller Connect the eurorack power supply cable again as per step 9 Connect the n...

Page 13: ...probe from a multimeter to pin 11 of IC1 Connect the positive probe to pin 30 The reading should be somewhere around 4 75v 5 0v If these voltages do not check out double check all solder joints and check the orientation of the voltage regulator IC3 and the power diodes If all the voltages check out you are fine to continue on IMPORTANT Make sure you disconnect the eurorack power cable before conti...

Page 14: ...before continuing work on the PCB Install 330nf MKT capacitors C6 C7 C9 C10 Install 330 ohm resistors R4 R5 R6 R7 Solder in place then trim leads Step 13 Install 39 ohm resistor R2 and 75 ohm resistor R3 Next install the two 220nf green cap capacitors C11 and C12 Lastly install 1K ohm resistor R15 Solder and trim leads ...

Page 15: ... make sure they are all lined up correctly Gently apply even force from the side that is not inserted so that the inserted pins bend slightly so that the non inserted side lines up with its socket Once lined up apply a small amount of downward force so that the IC is partially inserted seated Double check that all pins are inside their sockets and no pins have bent outward or inward Once you are h...

Page 16: ...he decimal points on the display as a guide Once the orientation has been confirmed solder one lead from each display and check that they sit flush with the board If they are not flush they can be adjusted easily by heating the single solder joint and maneuvering them into place Once you are happy solder the rest of the leads and trim Step 2 On the component side insert the BAT 85 diodes D4 D5 D6 ...

Page 17: ...Glitch Assembly Manual 17 Step 3 Install the 220 ohm resistors R1 R2 R3 and R4 on to the BACK of the PCB no silk screen side Install the 10K resistor R11 on to the BACK of the PCB no silk screen side Solder in place trim leads ...

Page 18: ...l 18 Install the six 1K ohm resistors R5 R6 R7 R8 R9 and R10 on to the BACK of the PCB no silk screen side Solder in place trim leads Step 4 JP1 JP2 Trim the male header pins into a 24 way piece and a 4 way piece Use the PCB as a guide if required ...

Page 19: ... is on a right angle and is flush with the PCB When you are happy solder the rest of the pins Step 5 Screw two silver 6mm M3 screws into the back non silk screen side of the board Turn the board over and screw the two 10mm stand offs onto the screw threads on the M3 screws on the silk screen side These will act as stabilizers when assembling the rest of the panel ...

Page 20: ...u will hear a click sound as they lock into place Take the rotary encoder and screw one nut on Make sure it is screwed all the way down to the base of the thread Finger tight is okay no need for tools Insert the three SPST switches press firmly so they are seated nice and tight against the PCB Insert the rotary encoder SW1 into place Insert the four 5K pots into place and lastly insert the 3mm led...

Page 21: ... it into the center jack hole The hole on the clear acrylic is slightly larger so that the jack should clip into place Now thread the nut onto the jack and finger tighten As you tighten hold the two panels and make sure the edges are aligned Once you are happy with that the edges are aligned finger tighten the nut as tightly as possible This single jack should keep the two panels aligned whilst yo...

Page 22: ...cks at approximately 45 degrees as per the photos Step 8 Now it s time to join the front panel and PCB together If the jacks are aligned well and the pins are straight this is a pretty easy process Place the panel at approximately a 45 degree angle to the PCB First insert the SPST switches then lower the panel over the pots and gently push the jack pins into place Be careful not to trap R8 underne...

Page 23: ...ten one side of the nut usually has a slightly raised edge from the zinc plating process whilst the other side is smooth Install the nuts onto the SPST switches with the SMOOTH side of the nut facing the panel If the nuts are screwed on with the raised side of the nut facing the panel it may scratch the panel Tighten the nuts on the SPST switches using a tube or ring spanner Inspect the panel and ...

Page 24: ...www beast tek com Dirty Glitch Assembly Manual 24 Lastly push the LED to make sure it is inserted firmly into the hole on the front panel ...

Page 25: ...nto place Pay special attention when soldering the SPST switches as applying too much solder can cause a short circuit between the switch body and the PCB Step 10 Take five of the cut component leads and insert them into ground pads on the PCB Feed them into the ground pin on the jacks solder into place and trim excess ...

Page 26: ...the 10mm stand off on top of the washer Inspect the soldering joints and look for shorts bad joints and unsoldered joints Connect a multimeter to pin 1 and pin4 of JP2 4 way header Set it to either continuity mode or resistance mode In resistance mode there should be approx 1 2K ohms of resistance between pin 1 and pin 4 In continuity mode there should be no connection detected ...

Page 27: ... you cannot locate a short then there may well have been too much solder applied to the SPST which caused a short between a switch body and the PCB Step 12 Turn the PCB panel over and install the knobs Step 13 Join the main board and the control panel together Use the two remaining silver 6mm M3 screws to attach the main board to the stand offs on the control board Step 14 Power on test ...

Page 28: ...ed into antistatic foam under ESD safe conditions Unless you did something crazy like rubbing a balloon on your jumper and discharging it onto the MCU pins then probably not check your solder joints I think the 7 segment display is dead Every 7 segment display was tested during packaging Double check the solder joints on the display pins there could be a bridge short or dry joint somewhere The kno...

Page 29: ...hooting continued General trouble shooting The most likely cause of failures is bad solder joints and incorrect component orientation Inspecting the board in daylight can really help identify bad solder joints Email info beast tek com for help if you get stuck ...

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