Raleigh Audio Standard Extreme RAKK dac Mark III Assembly Manual Download

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Parts

List

Circuit

kits

Refer to the parts list for each of these kits.

The following kits are provided.

•

RAKK dac Mark III

•

Active Differential Output

•

Standard Low Voltage Power System Regulator (10V)

•

Standard Low Voltage Power System Power Supply (12V)

Front

Panel

Options

The front panel will be customized for the options that you have chosen.

Volume Control

Part Description

Qty

volume control

knob

Input Select switch

Part Description

Qty

select switch

knob

Summary of Contents for Standard Extreme RAKK dac Mark III

Page 1: ...RAKK dac raleigh audio Mark III Standard Extreme RAKK dac Assembly Manual Version 1 1 2014 Raleigh Audio ...

Page 2: ...This completed Extreme RAKK dac has a silver face plate and knobs A black faceplate and knobs is available 1 ...

Page 3: ...lectronic components and assembly Kit version Use this manual with the Standard Extreme RAKK dac Mark III Use the applicable on line manuals for component sub assemblies Required Tools and Supplies 150 to 250 Watt soldering gun 35 to 50 Watt soldering iron Phillips cross point screwdriver Volt Ohm Milliamp Meter Potentiometer adjustment tool supplied 1 16 hex Allen wrench supplied 5 64 hex Allen w...

Page 4: ...ation although any good soldering iron of 40 watts or greater will do There are many soldering stations on the market I have had good experience with the moderately priced Hakko Model 936 If you do have or purchase a soldering station or even use your existing soldering iron I have found a chisel style tip of about 2mm 2 5mm width to be the most useful You can use the flat part for large solder jo...

Page 5: ...e Output 15 Pre wire the Active Output 17 Pre wire the RAKK dac and I2S Interface Adapter if used 19 Pre wire the Power Transformer 21 Panel Preparation 23 Bottom Panel Preparation 23 Back Panel Preparation 24 Side Panel Preparation 25 Front Panel Preparation 25 Panel Assembly 26 Bottom Panel Assembly 26 Back Panel Assembly 35 Front Panel Assembly 41 Final Assembly and Wiring 43 Wire the Bottom Pa...

Page 6: ...rd Regulator and a Low Voltage Power System Standard Power Supply You may also have chosen to have an I2S adapter or USB adapter and their associated Regulators The Low Voltage Power System components can be configured to supply any voltage that is required The voltages used are as follows RAKK dac 10V Standard Regulator I2S Adapter 5V Standard Regulator USB Adapter 8V Standard Regulator Active Ou...

Page 7: ...oards The assembly manuals for the boards include installation instructions that you will not use Rather than using those general instructions you will follow the specific installation instructions contained in this manual There are two sizes of stranded wire provided with the kit 22 and 20 The larger diameter 20 is used for power and high voltage The smaller diameter 22 is used for signal and low...

Page 8: ...y into each 1 standoff 3 Install a standoff as a nut on each of the four 1 standoffs 4 Cut three pieces of 22 black wire each 1 long 1 is the length of the two standoffs which may be used as a gauge 5 Cut three pieces of 22 violet wire each 1 long 6 Strip of insulation from each end of the wires and tin the ends by melting a little solder onto the stripped ends 7 Insert the three black wires from ...

Page 9: ...ents which must be oriented properly 11 Remove the standoffs from the 1 standoffs on the adapter 12 Set the I2S Adapter on top of the RAKK dac such that the I2S Output pads on the I2S Adapter align with the Input 4 I2S pads on the RAKK dac 13 Insert the six I2S interface wires into the proper pads on the RAKK dac 14 Install the four standoffs as nuts to hold the two pieces together 15 Solder the s...

Page 10: ...s connector will plug into a small adapter board which in turn will be soldered onto the RAKK dac 1 Connect a 1 male female standoff together with a standoff This may be used as a gauge for cutting the following wires 2 Cut three pieces of 22 black wire each 1 long 3 Cut three pieces of 22 violet wire each 1 long 4 Strip of insulation from each end of the wires and tin the ends by melting a little...

Page 11: ...from the bottom of the small adapter board into the following three locations DATA LRCK BCK 8 Solder and trim the leads 9 Set the small adapter board on top of the RAKK dac such that the I2S Output pads on the small adapter board align with the Input 4 I2S pads on the RAKK dac 10 Insert the six I2S interface wires into the proper pads on the RAKK dac 11 Solder and trim the leads 10 ...

Page 12: ...Set the I2S Adapter on top of the RAKK dac such that the I2S Output connector on the I2S Adapter aligns with the pins on the small adapter board 14 Plug the I2S Adapter into the small adapter board 15 Install the four standoffs as nuts to hold the two pieces together 16 Form the wires neatly and make sure that the small adapter board is parallel to the I2S Adapter and the connector is inserted pro...

Page 13: ... you have a variable speed drill all you have to do is to put the wires together in the drill chuck and turn on the drill It might take a little practice to get the tension and speed right but once you get the knack it is quick and easy to do If you don t have a drill handy the old fashioned way of manually twisting the wires works fine I have described how I do it here To make a multi wire cable ...

Page 14: ...S Adapter 2 Prepare a single 22 22 red wire Connect the wire to the DC Output pad Wrap the wire around the red black twisted pair Skip the following step if you do not have a TOSLIKK adapter 3 If you have a TOSLINK input prepare a 19 22 red black twisted pair Connect the red wire to the DC Output pad Connect the black wire to the DC Output pad Pre wire the 5V Regulator for the I2S Adapter Skip thi...

Page 15: ...dapter 5 Prepare a 16 22 red black twisted pair Connect the red wire to the DC Output pad Connect the black wire to the DC Output pad Skip the following two steps if you do have a three input I2S Adapter 6 Install a 1K resistor in location R5 7 Connect a 7 20 green wire to the chassis pad 14 ...

Page 16: ...inner most AC Input pads 13 Fabricate a T shaped AC power cable as follows Cut a 20 black wire 7 inches long Do not strip the ends Cut a 20 black wire 21 inches long Do not strip the ends Cut a 20 white wire 22 inches long Do not strip the ends Align the white wire with the longer black wire and twist them together for about 16 Align the other black wire with the other end of the white wire and tw...

Page 17: ...bricated Strip and tin the end of the 4 part of the black white twisted pair Observing the same black white orientation as the 5 black white twisted pair that you just connected connect this twisted pair to the outer most AC Input pads 16 ...

Page 18: ...l Mute 4 Using a craft knife cut a gap in the trace that connects the two external mute pads 5 Prepare a 24 22 black black twisted pair Connect the two wires to the two external mute pads Wire the Volume Control on the Active Output skip this section if you do not have a volume control 6 Prepare a 5 22 blue black twisted pair Connect the blue wire to the volume control L pad Connect the black wire...

Page 19: ...Wire the Ground on the Active Output 8 Connect a 13 20 green wire to the chassis pad The Line Input pads are not used 18 ...

Page 20: ...u have the version that has a single input there is no need to pre wire it If you have the version that has three inputs you will need to pre wire the input selection Selection for Input 4 is pre wired as part of the pre wire for the RAKK dac Selection for Inputs 5 and 6 are part of the pre wire of the I2S Adapter While there is a possibility of having six inputs usually there will be fewer Note t...

Page 21: ...e around the other wires If you are using a forth input prepare a 13 14 22 black wire Loosely twist this wire around the other wires If you are using a fifth input prepare a 13 15 22 red wire Loosely twist this wire around the other wires If you are using a sixth input prepare a 13 15 22 white wire Loosely twist this wire around the other wires 3 Connect the cable that you have prepared Connect th...

Page 22: ... the shorter wire to pin 15 on the power transformer 3 Connect the center tap in the following manner Prepare a 10 piece of 20 black wire and strip 1 from one end Connect the tip of this end to pin 24 and then wrap the bare wire around pin 22 Solder both pins Dress this wire towards pin 15 and wrap it around the red twisted pair following the lay of the twist Trim the black wire to be the same len...

Page 23: ...e a twisted pair from two pieces of 20 grey wire one 4 long and one 6 long Align the wires evenly at one end Connect the longer wire at the uneven end to pin B5 on the power transformer Connect the shorter wire to pin B2 on the power transformer Skip this step if you do not have a USB Adapter 7 Wire the AC power for the 8V Regulator Make a twisted pair from two pieces of 20 grey wire one 7 long an...

Page 24: ...6 32 x screw flat washer and Kep nut on each foot Place the washer between the head of the screw and the rubber foot 2 Install one piece of 8 x 1 damping material on the inside of the bottom panel centered between the vents and the lip 3 Install one piece of 4 x 1 damping material on the inside of the bottom panel next to and centered on the left side of the vents 4 Install one piece of 4 x 1 damp...

Page 25: ...side of the top panel centered between the back of the panel and the vents but closer to the vents so as not to interfere with attaching the back panel Back Panel Preparation The back panel consists of two parts an open frame that attaches to the other panels and a customized insert that contains the jacks Place the insert inside the frame and secure them with ten 4 40 x screws and ten Kep nuts Be...

Page 26: ...ary depending upon the switches and controls that you have chosen 1 Install the two remaining 2 x 2 pieces of damping material on the inside of the front panel Position them evenly and you may wish to cut one or both pieces to provide a more even distribution Make sure that there is at least between the damping material and either the top edge or bottom edge of the panel 2 Install an 8 32 x setscr...

Page 27: ...the standoffs Mount the power transformer 15 Mount the LL1683 transformer in its location using the four 4mm metric screws Orient the transformer such that the high voltage shorter pins are towards the front of the panel The front of the panel has the lip Dress the grey twisted pairs that will attach to the Regulators toward the edge of the panel Dress the grey twisted pair that will power the fil...

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Page 29: ...ransformer but close to the rear of the panel Orient the board such that the AC Input is closest to the edge of the panel Do not secure the board yet 17 Dress the grey twisted pair that is connected to transformer pins B3 and B8 along the edge of the panel to the Regulator Connect that grey twisted pair to the AC Input pads 18 Secure the board with four 6 32 x screws 28 ...

Page 30: ...C Input is closest to the edge of the panel Do not secure the board yet 20 Dress the grey twisted pair that is connected to transformer pins B4 and B7 along the edge of the panel to the Regulator Connect that grey twisted pair to the AC Input pads 21 If you have an I2S Adapter secure the board with 1 25 standoffs If you do not have an I2S Adapter secure the board with four 6 32 x screws 29 ...

Page 31: ...pair that is connected to transformer pins B2 and B5 along the edge of the panel to the Regulator Connect that grey twisted pair to the AC Input pads 24 Secure the board with four 6 32 x screws 25 Dress the wires Dress the red black twisted pair from the USB Regulator if present directly across the bottom panel Dress the red black twisted pair from the I2S Regulator if present toward the front of ...

Page 32: ...ted to transformer pins 15 and 17 and has a black wire wrapped around it These three wires will be connected to the 250V 0 250V pads Connect the two red wires to the outer pads Connect the black wire to the center pad 29 Secure the board with thirteen 6 32 x screws 30 Dress the wires Dress the twisted pairs for the volume control towards the front of the panel Dress the twisted pairs for the RAKK ...

Page 33: ...from the 12V DC output under the Active Output directly towards the left side of the chassis Dress the green wire directly towards the back of the panel Dress the violet white twisted pair from the LED pads under the board and out toward the front of the panel This should be to the left of the white black twisted pairs Dress the short white black twisted pair out the front and directly to the righ...

Page 34: ...ot secure the board yet 38 Locate the orange black twisted pair blue black twisted pair and black wire that are connected to the From RAKK dac pads on the Active Output These will be connected to the Output pads on the RAKK dac Connect the orange wire to the R pad and connect the associated black wire to the R pad Connect the blue wire to the L pad and connect the associated black wire to the L pa...

Page 35: ...r DC Output It will be connected to the 5V pads on the I2S Adapter Connect the red wire to the pad Connect the black wire to the pad 41 If you have a three input I2S Adapter locate the red wire from the 10V Regulator DC Output Connect this wire to the 12V pad on the I2S adapter 42 Dress the Input Select wires along the side to the front of the panel 34 ...

Page 36: ...h two 4 40 x screws and kep nuts Orient XLR jacks such that the center pin is on the bottom XLR inputs use female jacks with a tab XLR outputs use male jacks The HDMI jack should be mounted with the widest part of the connector closest to the top of the panel The standard output jack arrangement is for a pair of RCA jacks and a pair of XLR jacks An associated switch selects the proper grounding fo...

Page 37: ...e connector such that the fuse is on the bottom and secure with two 4 40 x screws and nuts 7 Install the solder lug on the inside of the panel in the hole adjacent to the power connector Secure with a 4mm screw and nut Orient the solder tab away from the power connector and form the solder tab at a 90 degree angle away from the panel Wire the power connector 8 Wire the safety ground This wire will...

Page 38: ...he XLR jacks have an extra silver colored metal tab adjacent to pin 1 This tab is connected to the body of the jack and may be used to make a chassis ground connection 11 Connect a jumper wire from pin 1 on the left output XLR connector to the adjacent ground tab Solder both ends 12 Connect a jumper wire from pin 1 on the right output XLR connector to the adjacent ground tab Solder both ends 13 If...

Page 39: ...eed the wire through the tab on the RCA XLR switch that is closest to the right XLR output jack Solder this tab Wrap the wire around the shell of the right RCA output jack and solder it to the shell Prepare a 1 long blue wire and connect it between the center pin of the left RCA output jack and pin 2 of the left XLR output jack Prepare a 1 long orange wire and connect it between the center pin of ...

Page 40: ...t wire to pin 2 and the black wire to pin 3 You previously wired a jumper between pin 1 and the adjacent tab 17 Wire the AES3id input BNC jack as follows Prepare an 8 22 violet black twisted pair Connect the violet wire to the center pin Connect the black wire to the shell 18 Wire the TOSLINK input if used as follows Prepare an 8 22 violet black twisted pair Connect the violet wire to SPDIF and th...

Page 41: ... 40 ...

Page 42: ... in place with a drop of adhesive 3 Install the Power on off switch in its location on the right end from the front of the panel using the supplied nut Tighten the nut snug but be careful to not over tighten the nut because the thread is plastic and it may strip 4 Install the input select switch in its location on the left end from the front of the panel using the supplied nut Tighten the nut snug...

Page 43: ...42 ...

Page 44: ...from the chassis pad on the Active Output close to the chassis and connect it to the ground buss 4 Dress the green wire from the DC Output pad on the 12V power supply close to the chassis and connect it to the ground buss 5 Dress the white black power cable that is connected to the 12V power supply as follows First from the power supply to the front edge of the panel Then along the front edge of t...

Page 45: ...the Right Output pads on the Active Output Connect the orange wire to the R pad and the black wire to the R pad 8 Connect the blue black twisted pair from the Left Output XLR jack to the Left Output pads on the Active Output Connect the blue wire to the L pad and the black wire to the L pad 44 ...

Page 46: ...ct the violet wire to the pad and the black wire to the pad 12 If you have chosen to have a TOSLINK connect the 19 red black twisted pair from the 10V Regulator to the 12V pads on the TOSLINK board Connect the red wire to the pad and the black wire to the pad Connect the I2S Inputs Skip this step if you do not have an I2S Adapter 13 Connect the flat cables to the appropriate inputs on the I2S Adap...

Page 47: ... 1 long 18 Cut three pieces of 22 violet wire each 1 long 19 Strip of insulation from each end of the wires and tin the ends by melting a little solder onto the stripped ends 20 Insert the three black wires from the bottom of the small adapter board into the following three locations DATA LRCK BCK 21 Solder and trim the leads 22 Insert the three violet wires from the bottom of the small adapter bo...

Page 48: ...Secure the RAKK dac 28 Secure the RAKK dac with four 6 32 screws 47 ...

Page 49: ...itch Skip this section if you do not have a select switch 1 Connect the cable from the Input Select pads on the RAKK dac as follows Connect the grey wire to the A tab of the Select switch Connect the blue wire to the 1 tab Connect the orange wire to the 2 tab Connect the violet wire to the 3 tab Connect the black wire to the 4 tab Connect the red wire to the 5 tab Connect the white wire to the 6 t...

Page 50: ...e orange black pair to the set of pins closest to the front panel Connect the orange wire to the pair of pins that are connected together Connect the associated black wire to single pin in that set Connect the blue black pair to the set of pins furthest from the front panel Connect the blue wire to the pair of pins that are connected together Connect the associated black wire to single pin in that...

Page 51: ...switch has four terminals two pairs One pair will be used to control the power on off and the other pair will be used to provide a fast mute for power off 5 Connect the 20 black twisted pair from the white black power cable to the two terminals on the power on switch that are closest to the bottom of the panel 6 Connect the 22 black twisted pair from the external mute on the Active Output to the t...

Page 52: ...tscrews in the holes in the panel The setscrew in the center bottom of the front panel fits into the hole in the lip of the bottom panel Secure the panel with an 8 32 KEP nut on the center setscrew only finger tight 9 Neatly dress the wires along the bottom panel close to the front panel 51 ...

Page 53: ... three screws securing the back panel to the bottom panel 2 Align the surface of the back panel with the edge of the bottom panel 3 Make sure that the left and right edges of the back panel align with the left and right edges of the bottom panel 4 Firmly tighten the three screws securing the back panel to the bottom panel Position the two side panels on the ends of the bottom panel 1 Orient the si...

Page 54: ...ving the top of the side panel left or right as is necessary to make the holes in the top panel align properly with the holes in the side panels Secure the back side and bottom panels 1 Install nine screws in the top panel Firmly tighten these screws 2 Firmly tighten the four screws securing the back panel to the side panels 3 Firmly tighten the three screws securing each side panel to the bottom ...

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Page 58: ...Measure the voltage from the Left B pad on the power board to the ground buss Adjust R34 4 Adjust the Right B to be 200V Measure the voltage from the Right B pad on the power board to the ground buss Adjust R30 5 Measure the voltage across each of the four CCS current sense resistors and adjust the associated potentiometers for 240mV across its resistor Measure Adjust Voltage R39 R38 0 210V R44 R4...

Page 59: ...do not need Loctite 2 Position the top panel on the top of the unit and secure with nine 6 32 x Phillips head screws Tighten these screws 3 Install the knobs Align the knobs and tighten the setscrews using a 1 5mm hex wrench Congratulations You have finished the assembly and installation Enjoy the music and be aware that the character and quality of the sound will improve with time The first 100 h...

Page 60: ...erential Output Standard Low Voltage Power System Regulator 10V Standard Low Voltage Power System Power Supply 12V Front Panel Options The front panel will be customized for the options that you have chosen Volume Control Part Description Qty volume control 1 knob 1 Input Select switch Part Description Qty select switch 1 knob 1 59 ...

Page 61: ...mer 1 2 or 3 TOSLINK Input Part Description Qty TOSLINK adapter circuit board 1 Screw 4 40 x 2 Kep nut 4 40 with star washer 2 LL1572 pulse transformer 1 I2S Input Part Description Qty I2S Interface Adapter circuit board either 1 input or 3 input 1 standoff 6 32 x 1 4 Standard LVPS Regulator 5V circuit board and parts 1 HDMI jack with cable 1 2 or 3 screw 4 40 x 2 4 or 6 USB Input Part Description...

Page 62: ...rame two sides 1 Back Panel custom 1 Power switch Rotary 1 Knob For power switch 1 AC inlet module Black with three prongs 1 Fuse 0 63A 250V 5 x 20mm for 115VAC 0 315A 250V 5 x 20mm for 230VAC 2 RCA jack Cardas 2 XLR jack male Black with three prongs 2 Switch toggle For RCA XLR 1 LED blue 2 Power transformer LL1683 1 Foot Damping black 4 Damping material 2 by 10 with adhesive backing 3 61 ...

Page 63: ...en 4 and 5 twists per inch is good Be sure not to twist all the wire of a given color as some individual pieces are needed as well as twisted ones Remember the twisting will slightly shrink the length so take this into account Part Description Qty Wire 20 gauge white 20 black 52 red 21 green 41 grey 48 Wire 22 gauge black 287 blue 80 red 111 orange 77 violet 45 Wire 18 gauge solid 2 62 ...

Page 64: ...8 Nut 6 32 Kep nut with star washer 9 Nut 4mm machine nut 1 Washer 6 32 flat washer 4 Ground lug 4mm 1 Stand off 6 32 x 0 375 4 Adjustment tool for potentiometers note 1 Wrench Hex 5 64 for 6 32 screws note 1 Wrench Hex 1 16 for 4 40 screws note 1 Wrench Hex 1 5mm for knobs 1 Wrench Hex 2 5mm for 4mm screws 1 Notes 1 1 16 and 5 64 wrenches and the adjustment tool are included with the Active Outpu...

Page 65: ...64 Document version history Version Description 1 0 Original document 1 1 change select wiring colors ...

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Raleigh Audio Standard Extreme RAKK dac Mark III, Assembly Manual

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