HIGH-END MONO MOSFET POWER AMPLIFIER
Contents
1. gt 1000 M audio e signal to noise ratio A weighted ref max out gt 105dB e total harmonic distortion 0 003 1kHz ref 1W e frequency response 9Hz to 120kHz 3dB in 50W M power requirements e AC power 115Vac 110V to 120V or 230Vac 220V to 240V e CONSUMPION lt a id ld 100W max M dimensions 290 x 165 x 68mm 11 4 x 6 5 x 2 7 El weight E E 3 4kg 7 5Lbs Assembly hints vellemen 1 Assembly Skipping this can lead to troubles Ok so we have your attention These hints will help you to make this project suc cessful Read them carefully 1 1 Make sure you have the right tools e A good quality soldering iron 25 40W with a small tip e Wipe it often on a wet sponge or cloth to keep it clean then apply solder to the tip to give it a wet look This is called thinning and will protect the tip and enables you to make good connections When solder rolls off the tip it needs cleaning e Thin raisin core solder Do not use any flux or grease A e A diagonal cutter to trim excess wires To avoid injury when cutting excess leads hold the lead so they cannot fly towards the eyes e Needle nose pliers for bending leads or to hold components in place e Small blade and Phillips screwdrivers A basic range is fine X j For some projects a basic multi meter is requi2. N A fei VEO mam EECH DI A0S 4N000 0L AOS 3N000 0L K K N fe N Be Zu 09sy 390198 YZI OVASZ Elo EK D I Deen yo SR ZC H Wyd oui WN9HZOLL Lal po es MOLIYL Y 4 Ore Yws snJ VZ LOY Ul Suen PCB vellemen LOD aono e O O eto Q Dat O al SC DEI suas dw O suas L of angr DE OSCH K 1 0 08d uewe pan 1I03391I3 NOILI3L30 TWNSIS LNANI Z N 3583 LNOHLIM SNIQW OL 193NNO39 XININ HLY O o o dot drop L ENS A3YU9 ana 134 JOJSUB AL WOJ TA aaa ECH Y U3NYOJSN9AL 0200 i 1531 390338 SNIVW HLIM S31835 NI diy ona 133NN03_ NOLIN IS i 3941700 HOIH E ES jo LINDYID NOILI3LOYA IO Tal ofm P opm p i NOILNYI aoaaa 90 aalay OF zed ONY ASN4 AIZHI 32 PCB H ES J9NYUO NMOY8 nozt N0113313S 3 isal NO1193108d 20 023 OR Peo of oj so b 13918 OS b DE oP 3ONYYO ES Jo KA J1IM9Y19 OYINOI NOEZ Ev LION SNIBW veDeus a KE Velleman Home Automation System al 1 All appli
3. be tightened Check the push button Test vellemen 30 Test A Check again all connections of transformer and mains U Connect the mains wires to the mains connector SK3 Blue Neutral green yellow Earth AU Connect a 60W light bulb in series with the Live Brown wire and the Live connection on the PCB U Mount both the fuse and the spare fuse in the fuse holder CHECK FUSE AND LO AFTER DC ERROR sk3 o E dos deg e DETECTION CIRCL 1 rh CAUTION Some points on the PCB are connected to the dangerous mains voltage Connect the mains AC voltage to the mains See also the user manual about the power cord 5 Normally after switching ON the amplifier the light bulb should briefly light up 5 Ifthe bulb glows constantly disconnect the power immediately and recheck all connections e Normally the standby LED on the front panel should light as should both 35V power indication LED s LD2 and LD3 vellemen Test Test continued Now push the DC protection test button SW2 the bulb should light if the button is pressed Be careful not to touch any exposed live parts Disconnect the mains plug Now the brown Live wire can be connected directly to the connector SK3 Check the user manual to test all functions and operation of the unit Finally the cover can be mounted Please note that the user manual is also used for the a
4. A red and a black type are delivered with the kit if you bought 2 amplifiers for stereo then one amplifier can be built with red connectors right amp and one with the black connectors 11 Push button Mount them straight against the PCB surface LI SW1 TS 04PV te T LI SW2 KRS1243 vellemen 12 Terminal blocks p Mains in p Mains transformer Q SK5 SK6 2x 2 pole Transformer output d First slide these two connectors in each other 13 Terminal connectors Check that the position corresponds with the PCB silk printing Q SK7 2 pole Temp sensor Q SK8 2 pole Power meter a SK9 LS a SK10 LS vellemen 14 Coil L EK This coil will have to be made by yourself Use the supplied copper wire 1 5mm with the kit Wind this wire round a 8mm drill or other round object and make 8 turns You can snip off the remaining copper Then remove scratch the isolation from the connections using a knife Mount the coil and make sure to have a perfect soldering A L1 8 Turns dia 8mm Electrolytic capacitors Check the polarity 10p 474F 63V 474F 63V 474F 63V 474F 63V 2204F 63V 2204F 63V DEODODLODODODODO construction 16 Voltage regulator The back side corresponds to the thick line O LI VR1 UA7805 17 Triac The back side corresponds to the thick line E LA A TR1 TIC246 or eq 18 Bridge rec
5. HIGH Veleman kit e I HIGH END MONO MOSFET POWER AMPLIFIER K8040 H8040IP 2 ILLUSTRATED ASSEMBLY MANUAL Features amp specifications vellema Features no compromise high end design M ideal to place next to the speaker short wires to the speaker m auto power on possibility when input signal is sensed m auto standby function when no input signal is sensed exclusive high finish solid aluminium enclosure m high quality D MOS IC output stage m total of 40 000u4F power supply capacitors m relay less speaker DC protection m Real Clipping distortion indication m power output level indication with backlight mM bypass output to drive bi wired speakers using separate amplifiers m double overheating protection with LED indication high grade speaker and input connections m overload protection Specifications Kl input e input sensitivity for maximum output OdBm 0 775Vrms e input impedance a Y 15Kohm e minimum auto switch on voltage 5mVrms Kl output e maximum RMS output power 4ohm 90W e maximum RMS output power 8ohm 70W e dynamic RMS output power in 4ohm 125W e minimum load impedancoe 4 ohm e damping factor ref 8ohm 100Hz
6. ances get intelligent how about your home see our website www velbus be VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium Europe Info http www velleman be Modifications and typographical errors reserved O Velleman Kit nv H8040IP 2009 ED2 A 0329141
7. d between the sensor and the enclosure Q Solder the wires of the supplied two pole connector onto the sensor There is no polarity Final assembly vellemen 26 final PCB mount RE CHECK CAREFULLY THE PCB FOR MOUNTING AND SOLDERING ERRORS U Mount the pcb into the enclosure check the position of the power IC The IC support must fit onto the previously inserted hexagonal bolts Make sure there is silicone compound between the IC support and the enclosure U Glue the included insert C between the transformer and housing U Make sure the PCB is aligned with the back of the enclosure LI IMPORTANT FIRST fix the IC support LI THEN fix the pcb using three 5mm spacers washer DO NOT TIGHTEN THESE FIXATIONS YET Note Not all components are visible on the drawing Velleman Final assembly 27 Speaker and mains connector assembly Prepare the wiring of the mains connector like in the drawing First mount the switch into the mains connector assembly Do not forget to isolate the soldering connections using a piece of shrink tube Use the supplied 0 5mm wire gt Blue for Neutral gt Brown for Live gt Yellow green for earth Use 3 pieces of about 10cm for later connection to the PCB mains connector Yellow green LI Mount the speaker connectors onto the rear panel black negative Take care of the isolation washers there a
8. osition of the plastic isolator A ATTENTION The bolt should be inserted on the side of the IC holder with the countersunk opening B Drop of heat conductive compound DO NOT TIGHTEN THE NUT YET Position the IC onto the PCB Make sure that the support plate is touching the PCB surface Tighten the support nut Check again that the plate is touching the PCB surface Solder the IC connections Construction vellemen 24 Mounting the power transformer and mains voltage selection Mount the transformer as in the drawing see also the picture on the packaging Use the supplied straps 4 pcs to fix the transformer Primary windings MAINS connection Check the table on the PCB for the correct voltage selection and connect the wires For 230V 220V to 240V edge orange then brown and black For 115V 110V to 120V edge brown then orange and black Using a black marker erase the not used voltage on the rear panel of the unit Secondary windings connection Comnect the Red Yellow Blue and Grey wire to the SK5 SK6 connector check the colors on the PCB vellemen Enclosure preparation 25 Enclosure preparation O Cut the thread in the holes for the enclosure feet in one of the alu minum profiles using the supplied special M4 screw as a tap Mount the feet on the aluminum profile using two M4 hexagonal Allen screws Use the supplied Allen wrench It is advis able to stick the protection adhesi
9. re two different types See picture 5 Make sure the connectors are very tight fit and do not make electrical contact with the panel check using ohm meter Isolation washer 28 Final assembly and connection A Solder a 15cm 2 5mm wire to the LS connectors Black negative Red positive use a shrink tube to isolate the connection A Solder a spade terminal to the other end do not forget the terminal isolation Q Mount insert the mains connector onto the rear panel Insert a 2A fuse into the connector there is also room for a spare fuse Velleman Final assembly U Mount the rear panel onto the enclosure using two M4 Allen screws U Connect the speaker wires to the speaker output tabs Check the polatity Black LS Red LS AN DO NOT CONNECT THE MAINS WIRING WITH THE PCB YET 29 Preparing the front panel L Connect the two wired connector to the meter RED BROWN to the meter U Mount the power meter onto the front panel Q Fix the meter using a piece of transparent adhesive tape four sides Make sure the meter is positioned straight U Connect the meter to the PCB SK8 U Mount the front panel onto the front using two M4 Allen screws 5 Check the position of the LED s and check if the button is working correctly It could be that paint covering the holes is preventing the buttons from smooth operation LI Now the three PCB fixations can
10. red or might ER be handy 1 2 Assembly Hints gt gt Make sure the skill level matches your experience to avoid disappointments Follow the instructions carefully Read and understand the entire step before you perform each operation Perform the assembly in the correct order as stated in this manual Position all parts on the PCB Printed Circuit Board as shown on the drawings Values on the circuit diagram are subject to changes Values in this assembly guide are correct Use the check boxes to mark your progress Please read the included information on safety and customer service 4 velleman Assembly hints Typographical inaccuracies excluded Always look for possible last minute manual updates indicated as NOTE on a separate leaflet 1 3 Soldering Hints 1 Mount the component against the PCB surface and carefully solder the leads 2 Make sure the solder joints are cone shaped and shiny 3 Trim excess leads as close as possible to the solder joint AXIAL COMPONENTS ARE TAPED IN THE CORRECT MOUNTING SEQUENCE REMOVE THEM FROM THE TAPE ONE AT A TIME Construction vellemen CONSTRUCTION The unit consists of one main PCB with all the components including transformer and power supply er Tip The pictures on the packaging can be used as a guideline However due to possible modifications they are not 100 reliable Mount the components in the order described 1 Jump
11. ssembled version some remarks may not apply to the kit version 21 vellemean au 0v08y YslsMdWv 133SON ONOW G31V39S31NI Taed31 da do M ES eth M90 DH ES ool YO SCH 9 Aar b V EES ved 1 D I su EN L SC toe EK FLA 8 NO OLNY 104 Jolp lep IeuBis indu Aug NN WL uo ony gt oor led gszW1 PLYNL me R D a1 L 424YDT AS ano AS AE6ZLVOL STBY GND BI I NMOULNHS TVNAYIHL 019 MWYOL AE9 Ly LAG dITO ALSLOOH HA VOT LOO4H a OMS S1 6S ei diagram wig ep WS 19 Aggie 820 IMS NO ALS AS Joue duet Laari A INO 7AGS gt MG mu eze El rn F za sz Ke PA GATITO z NDTTD IOSO Sd5D uo omy gt No qs 8bL ini g ESO ddAATIOW 4DO KRICH V80S9ZLOld Id EI a S 440 SI af X POT ME R oeo Ae9rozz moq asny uono lo jd OG AS peor xl ci Ei a Af dozoey CO Den S MOOI Den Jod oa evzasafus ASE owe M90 Zz AOS 4N000 0L A0S 4n000 0L LECH Sg us F pan SLL Schematic diagram 31 Schematic OWAOSZ 4NOOL d J SL Ze
12. tifier Check the polarity iz LI BR1 RS603 19 LEDs E COLOR 2 5 e Us A LD1 LED3RL 3mm LED A LD2 LED3RL 3mm SECH A LD3 LED3RL 3mm LED Construction 20 Power electrolytic capacitors Check the polarity a C31 10 000uF a C32 10 000uF A C33 10 000uF A C34 10 000uF vellemen 21 IC s Watch the position of the notch Q IC1 VK8040 PIC12C508 IC2 CA258 or eq A 1C3 MOC3041 KP3020 22 Mounting front LED s Check the polarity Short lead Cathode or a LD CATHODE lt First Bend the leads exactly like the drawing Next Solder one lead and check the position if necessary correct by heating the soldering Last Solder the second connection A LD4 L 424YDT A LD5 L 424YDT A LD6 L 424YDT A LD7 L 424YDT C 7 Meter backlight LD8 is a white LED serving as backlight for the power meter U LD8 L5WD 5mm white m CAUTION After bending the leads the long appearing lead will be the cathode IMPORTANT Mount these LED s exactly like in the drawing otherwise some LED s will not fit correctly in the front panel Please also use the front panel as a positioning reference a a m NA vellemen construction 23 Mounting the Power IC LI 1C4 TDA7293 Mount the support plate onto the IC as shown in the drawing Put a drop of silicone compound on both sides of the mica isolator Also check the p
13. ve onto the feet Cut the thread in the front and back of the aluminum profiles using the supplied special M4 screw 4 holes per piece Enclosure preparation velleman a Position the main PCB in the aluminum profile that is prepared with the feet U Mark the center position of the three fixation holes on the aluminum A reference indication is also on the PCB edge Q Remove the pcb and use a knife or a screwdriver to scratch the paint from the aluminum fixation from the hole closest to the back end This fixation will be used later to connect the ground and earth FIG 5 Q Mount the three 5mm 0 14 spacers as shown in the drawing Use three hexagonal screws and 3 washer Do not tighten the spacers yet MB hex nut VWasher TTM 5mm M3 spacer E Position the PCB in the enclosure and check the position of the spacers is correct if so remove the PCB and tighten the spacers vellemen Enclosure preparation LI Using an ohmmeter measure between the edge of the aluminum profile and the back spacer if there is a good electric contact less then 10 ohm If not repeat the above step to remove the paint under the spacer O Slide two M3 nuts and two hexagonal bolts into the profile the nuts will be used for the temperature sensor the bolts will be used for the IC support plate LU Mount the temperature sensor check the exact position Make sure there is silicone compoun
14. wire 4 Resistors check the color code CATHODE 1 1N4148 2 1N4148 3 1N4148 4 1N4148 wa OD OD OD OD CATHODE UA ZD1 20V 1 3W Mount 5mm above the PCB O O ION OP COPBNPO OQ O O O OI OO I O QO O O P P N ONAN AN Q OQ Q Q O OO QO N Q N N UUUUOUUOUUUOUUUOUUOUUUOUUUOU P P PA P A 3 P A P sch oa Po oo G sch A ow 3 on s Ke w w w x wa R39 10R 1W JGND OR UUUUOUUUOUUUOUU If long input signal wires are used a low input impedance can be useful In this case mount for RX a 680R 6 8 1 resistor Check if your pre amplifier can drive low impedance d Our K8021 is OK for low impedance d Our K8020 is not suited for low impedance driving Rx is normally left open 5 Capacitors DLDOLDODO construction 6 IC sockets Watch the position of the notch UCI 8p O IC2 8p O IC3 6p SN a 7 10W resistor SEA O R40 4R7 4 7 4R7 8 Capacitors 2n2 222 220n 224 1uF 1uF 2 2uF 2 2uF 100n 250V 100n 250V DLODODODO a T1 BC547 a T2 BC547 Construction 10 RCA connectors Mount them straight and against the PCB A SK1 MJ 523AG R UA SK2 MJ 523AG B Tip
Download Pdf Manuals
Related Search