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Bastl Instruments DUDE v1.2 Assembly Manual

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INTRODUCTION
Welcome to the assembly guide for the ​ D UDE by ​ B ASTL INSTRUMENTS​ . It is a portable battery
operated 5 channel audio mixer with mini jack inputs and output. For all the features go ​
is suitable for beginners. It is good to have basic soldering skills and to be able to identify electronic
components before starting this kit. However if you have never soldered before, check out some of
tutorials ​
or ​
h ere
2
h ere
faster​ ​ a nd​ ​ b etter.
The Dude consists of just one printed circuit board PCB. All the parts comes mainly in two bags
separated for the soldering and assembly parts. Please check all of your parts BEFORE you begin
work​ ​ t o​ ​ m ake​ ​ s ure​ ​ y ou​ ​ a re​ ​ n ot​ ​ m issing​ ​ a nything.​ ​ S ee​ ​ t he​ ​ b ill​ ​ o f​ ​ m aterials​ ​ ( BOM)​ ​ f or​ ​ d etailed​ ​ l ist.
​ ​ ​
h ttp://www.bastl-instruments.com/instruments/dude/
1
​ ​ ​
h ttps://cdn-learn.adafruit.com/downloads/pdf/adafruit-guide-excellent-soldering.pdf
2
​ ​ ​
h ttp://www.instructables.com/id/How-to-solder/
3
DUDE​ ​ v 1.2​ ​ - ​ ​ A ssembly​ ​ G uide
bastl-instruments.com
3
. We also included one of the best quality solder to help you solder everything
1
last​ ​ u pdate:​ ​ 2 6.​ ​ 1 0.​ ​ 2 017
h ere
. This kit
1

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Summary of Contents for Bastl Instruments DUDE v1.2

  • Page 1 last​ ​ u pdate:​ ​ 2 6.​ ​ 1 0.​ ​ 2 017 DUDE​ ​ v 1.2​ ​ - ​ ​ A ssembly​ ​ G uide bastl-instruments.com INTRODUCTION Welcome to the assembly guide for the ​ D UDE by ​ B ASTL INSTRUMENTS​ . It is a portable battery operated 5 channel audio mixer with mini jack inputs and output.

  • Page 2: Bill Of Materials

    BILL​ ​ O F​ ​ M ATERIALS DUDE​ ​ v 1.2​ ​ B OM SOLDERING value part 100R R-EU_0204/5 R-EU_0204/5 220k R-EU_0204/5 ceramic​ ​ c apacitor 22pF ceramic​ ​ c apacitor 470nF electrolytic​ ​ c apacitor 47uF 1N4007 DIODE-D-7.5 voltage​ ​ r egulator L78L06 IC​...
  • Page 3 BEFORE​ ​ S TARTING​ ​ T HE​ ​ K IT... Prepare​ ​ t he​ ​ f ollowing​ ​ t ools: Soldering​ ​ i ron ● ● Multi-meter Flush​ ​ c utters ● n2.​ ​ h ex​ ​ s crewdriver​ ​ o r​ ​ a llen​ ​ k ey​ ​ ( enclosed​ ​ w ith​ ​ k it) ●...
  • Page 4 SOLDERING RESISTORS Start soldering with the ​ r esistors​ . There are just ​ t hree ​ v alues of them: ​ 2 2k (14x), ​ 1 00R (2x), and 220k (1x). Before you will start soldering, check the values by ​ u sing a multimeter (or you can check the color codes if you are seasoned enough).
  • Page 5 DIODE Next solder the ​ 1 N4007 ​ d iode - ​ b e careful, diodes are polarized! Make sure that the grey stripe on the​ ​ d iode​ ​ m atches​ ​ t he​ ​ s tripe​ ​ o n​ ​ t he​ ​ P CB.
  • Page 6 JACK​ ​ C ONNECTORS Add the ​ 3 ,5mm jack connectors (6x). They have to be soldered precisely down on the PCB. You can start​ ​ s oldering​ ​ j ust​ ​ o ne​ ​ l eg​ ​ o f​ ​ e ach​ ​ c onnector,​ ​ c heck​ ​ i t​ ​ a nd​ ​ t hen​ ​ d o​ ​ t he​ ​ r est. IC​...

  • Page 7: Ceramic C Apacitors

    CERAMIC​ ​ C APACITORS Move​ ​ t o​ ​ t he​ ​ ​ c eramic​ ​ c apacitors​ ​ ​ n ow.​ ​ F irst​ ​ s older​ ​ t he​ ​ ​ 2 2pF​ ​ ​ c ap​ ​ ( 1x)​ ​ w hich​ ​ i s​ ​ m arked​ ​ " 220". Then​...
  • Page 8 LEDs Solder the ​ L EDs now - ​ t hese are polarized too​ ! Be sure to insert the longer lead into the plus (+) hole. Place the LEDs down to the PCB. It is better to solder just one leg first and then do the adjustments​...

  • Page 9: Voltage Regulator

    VOLTAGE​ ​ R EGULATOR Now you can do the ​ v oltage ​ r egulator (​ L 78L06​ ) . The ​ f lat side has to match with the printing on the PCB. ELECTROLYTIC​ ​ C APACITORS Don't forget to solder also the two ​ e lectrolytic ​ c apacitors (47μF)​ . These ones ​ a re polarized! ​ T here is a plus (+) sign on the PCB that should match the longer lead of the electrolytic capacitor (actually the​...

  • Page 10: Power Connector

    FUSE There is also one ​ f use (​ 1 00mA​ ) to solder. It is not polarized and it looks almost like a ceramic capacitor.​ ​ T hen​ ​ s nip​ ​ t he​ ​ o verhanging​ ​ l ead​ ​ a ​ ​ l ittle​ ​ b it. POWER​...
  • Page 11 BUTTONS Go for the ​ b utton switches now. Be aware that these parts have to be ​ o riented​ ! There is a marked line on the one side of button which has to be oriented upwards. Remember to solder these switches straight.​...

  • Page 12: Double C Heck

    POTENTIOMETERS Move to soldering of ​ p otentiometers (A100k). Install them in ​ s traight (you have to push them down), solder just one side leg, check the position and do the re-heat and repositioning adjustments in need. Then solder the rest if there is no problem. Remember - they have to be soldered straight really seriously! DOUBLE​...
  • Page 13 CLEANING​ ​ ( OPTIONAL) Before you begin to move forward, you might want to ​ c lean your PCB. You can use e.g. isopropyl alcohol. Put some of the liquid all over the PCB using the brush, let it act for a while and sweep it off. Then​...

  • Page 14: Battery H Older

    BATTERY​ ​ H OLDER Before placing the battery holder you have to do a little adjustments. See the photo and first cut the signed​ ​ l egs.
  • Page 15 Take the remaining leads then and solder them into the holes near the power connector. It is good to melt​ ​ s ome​ ​ s older​ ​ i nto​ ​ t he​ ​ h oles​ ​ f irst​ ​ a nd​ ​ t hen​ ​ r eheat​ ​ t hem​ ​ a nd​ ​ p lace​ ​ t he​ ​ w ire​ ​ i nside. Let's secure the battery holder now with the ​...
  • Page 16 Now you will do the soldering. You have to connect the leads with the lugs. ​ D o not let the lug heat too much! (it would break the connection of the coil and the lug) Use just the tip of your soldering iron for​...
  • Page 17 Then​ ​ p lace​ ​ t he​ ​ ​ s ide​ ​ p arts​ ​ ​ ( push​ ​ t hem​ ​ j ust​ ​ i n​ ​ t he​ ​ c orners). Finish​ ​ t he​ ​ e nclosure​ ​ w ith​ ​ t he​ ​ ​ t op​ ​ c over​ ​ ​ a nd​ ​ m ounting​ ​ t he​ ​ ​ s crews​ . Here​...

  • Page 18: Troubleshooting

    TROUBLESHOOTING Check the ​ F .A.Q. on our website first. If you are still in trouble the best thing is to take a nap! Especially late at night! Then you can can send the detailed description of the problem with enclosed high-resolution photos on ​...

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