Manual - Velleman
Contents
1. pooH 9 poy 1euZ OSSOH Pj ud ung cu 1 0 Xoelg ziewuos MOS MOS esn O45 N 01944 OI N 0 a 3GOM 3GO OM IAOON ADV 3AdV4d 391409 6 HO1OO 9 Construction vellemen CONSTRUCTION The unit consists out of two PCB s one is the main PCB P8021B and the other is the left channel input section P8021L First we will start with the small P8021L then we assemble the P8021B Z Tip The pictures on the packaging can be used as a guideline However due to possible changes it is not 100 reliable P8021L 1 Diodes check the polarity 2 Resistors check the color code CATHODE 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 D U 330R 3 3 1 valleman Construction 3 Capacitors 6 RCA connectors Mount them straight against the PCB MJ 523AG B BLACK MJ 523AG B BLACK MJ 523AG B BLACK MJ 523AG B BLACK MJ 523AG B BLACK 4 Reed relays check the position MJ 523AG B BLACK of the notch 7 Pin connector Mount it exactly as indicated RY RY1 VR05051AS or eq RY2 VR05051AS or eq RY3 VR05051AS or eq RY4 VR05051AS or eq RY5 VR05051AS or eq RY6 VR05051AS or eq 5 transistors Q SK7 HDR20 26 vellemen Construction P8021B Assemb2. part does not touch the front panel 8 Use the supplied Allen wrench Remove the front panel and fix the nuts of the potentiometer bracket Remove the PCB from the enclosure and solder the potentiometer connec tions Again mount the pcb into the enclosure Fix the pcb using a 2cm 0 8 spacer at the position next to SK7 and use 5mm spacers to fix the other two positions Measure using an ohm meter or continuity beeper if the 2cm spacer is electrically connected to the ground wire yellow green wire If not recheck if the paint of the aluminum is cor rectly removed Mount the left channel PCB onto the spacers check that the con nector is correctly inserted Fix the PCB using five 6mm screws FIG 6 Final assembly 26 Final assembly connection Mount insert the mains connector onto the rear panel Insert a 250mA AES E fuse into the connector there is also room for a RB A spare fuse Mount the rear panel gt onto the enclosure using two M4 Allen Screws Mount the plastic phono ground screw onto the back panel Connect the mains wires to the mains connector Blue Neutral Brown Live and green yellow Earth Use a piece of 1 5cm 0 6 shrink tube to isolate each con nection Mount the front panel onto the front using two 4 len screws 8 Check the position of the LED s and check if all but tons are working correctly It
3. d d d 10 valleman 8 Capacitors d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d 220p 220p 221 220p 221 220p 221 220p 221 220p 221 220p 221 221 220p 221 220p 221 2n2 222 2200 2n2 222 2200 8n2 822 8200 8n2 822 8200 100n 104 0 1 u1 104 0 1 u1 104 0 1 u1 104 0 1 u1 104 0 1 u1 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 100n 104 0 1 u1 9 Reed relays check the position of the notch d d d d d d d d 10 Pin header connector cut the indicated 5 Construction HY VR05051AS or VRO5051AS or eq VRO5051AS or eq VRO5051AS or eq VRO5051AS or eq VRO5051AS or eq VRO5051AS or VRO5051AS or SK8 5P SK9 5P 11 Construction vellemen 11 transistors 13 Push button Mount them straight against the PCB surface SW1 TS 04PV SW2 TS 04PV SW3 TS 04PV SW4 TS 04PV SW5 TS 04PV Remark The metal part of these but tons are used as jump wire Be sure not to test or use the unit without soldering these push buttons d d d d d d d d 14 Phone jack Mount him
4. thread in the holes for the enclosure feet in one of the alumi num profiles us ing the supplied special 4 screw as a tap Mount the Feet on the aluminum profile using two hexagonal len screws Use the supplied Allen wrench It is advisable to stick the protection adhe sive onto the feet Cut the thread in the front and back of the aluminum profiles us ing the supplied special M4 screw 4 holes per piece Tr TE 7 gt Cut the thread in the back panel phono ground screw position using the supplied special M3 screw Enclosure preparation velkemen Position the main PCB in the aluminum profile that is pre pared with the feet The potenti ometer must be at the same side of the feet Velleman Kit P8021B 1 C47 C45 6 24 E 5 5 POWER SUPPLY SECTION C46 C25 UR3 2 rese d C27 C28 5 oo C36 6 O OL gano Pca M a c js di Jo cig Re CH Line sme oD uxo 69 HE BERE Q 2 O O O O O q j gt 2 40 fo of mago SK11 i UA 2300 T m sao 20 A B C D MAINS SELECTION Mark the center position of the three fixation holes on the aluminum vellemen Enclosure preparation Remove the pcb and use a knife or a screwdriver to scratch the paint from the aluminum fixation from the hole close
5. R RY3 17 S 16 15 14 13 12 11 10 9 8 7 6 REC 5 4 SK 3 2 1 MONITOR S LINEOUTL In T LEFT INPUT SECTION Velleman Kit 26 wellensm Notes NOTES 27 VELLEMAN KIT Legen Heirweg 33 9890 Gavere Belgium Europe Info http www velleman be Questions support 2velleman be Modifications and typographical errors reserved Velleman Kit nv H80211P 2000 ED1
6. Total solder points 500 Difficulty level beginner 10 20 30 40 5 advanced HIGH END CONTROL AMPLIFIER K8021 U 021 ONTROL AMPLIFIER 9 oe Nontor O 69 ON Q Tuner OCD O Ph AUX Qo DANGER Observe all safety requirements ILLUSTRATED ASSEMBLY MANUAL H80211P 1 VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium http www velleman be vellemen Assembly hints 1 Assembly Skipping this can lead to troubles Ok so we have your attention These hints will help you to make this project successful Read them carefully 1 1 Make sure you have the right tools good quality soldering iron 25 40W with dm small tip Ve cree 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 hin raisin core solder Do not use any flux or grease A diagonal cutter to trim excess wires To avoid injury when cutting excess leads hold the lead so they cannot fly towards the eyes Needle nose pliers for bending leads or to hold compo nents in place e Small blade and phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be handy 9 1 2 Assembly Hints M
7. ake 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 draw ings Values on the circuit diagram are subject to changes Values in this assembly guide are correct Assembly hints vellemen Use the check boxes to mark your progress Please read the included information on safety and customer service 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 sur face and carefully solder the leads 2 Make sure the solder joints are cone shaped and shiny a 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 Color code table vellemen ECT ENE NCT CETTE TENEN opeinog aj JOAIIZ JU9B1IY J9AIIS AIS INS eodoH eje d Opealeig V ER SIE ACT BIE SI Olu9Zui9 9 9 ng enja neg u uluSs 757 Inzv nig 9 CIC TEE CE geil opion on epi s U 1999 ouner AO JI A qe 119 INE
8. could be that paint rest over in the holes is pre venting the buttons from smooth operation vellemen Test and adjustment 27 Test and adjustment Connect the mains voltage to the mains connector Check if the power LED in the center of the PCB is lit This means that the 15V and 15V are correct CAUTION Some points on the PCB are connected to the dangerous mains voltage Disconnect the mains plug Now insert the IC s into their sockets Q IC1 NE5532 Q IC2 TLE2071 OPA134 OPA604 IC3 TLE2071 OPA134 OPA604 Q IC4 VK8021 PIC16C54RC Offset adjustment It is important that the output of the amplifiers are free of DC voltage therefore the offset voltage needs adjustment Connect the unit to the mains Push the CD input selector button the corresponding LED should lit Push and hold the CD input selector button the 6dB LED should lit Use a multimeter and set it to the lowest voltage range 2Vdc or lower Measure between GND the metal bracket of the potentiometer can be used and J8 Left channel offset adjustment Adjust the offset trimmer next to IC2 until the meter indicates around OV Measure at point J9 Right channel offset adjustment Adjust the offset trimmer next to IC3 until the meter indicates around OV Check the user manual to test all functions and operation of the unit then the cover aluminum can be mounted Please note that the user manual is also used fo
9. ection preparation Connect a 10cm blue wire to the point N of SK12 L Connect a 10cm brown wire to the point L of SK12 Q Connect a 10cm yellow green wire to the earth point of SK12 ater these connection will be soldered to the mains connector vellemen Construction 22 Mounting the LED s Check the polarity Short lead Cathode or CATHODE lt DO First Bend the leads exactly like the drawing Next Solder one lead and check the position if necessary correct by heat ing the soldering Last Solder the second connection LD1 L 424YDT LD2 L 424YDT LD3 L 424YDT LD4 L 424YDT LD5 L 424YDT LD6 L 424YDT LD8 L 424YDT LD7 L 424YDT C 3m i x mm FIG 3 CAUTION After bending the leads the long appearing lead will be the cath ode maj 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 FIG 1 m 12mm FIG 2 valleman Construction jmd gt Q Q gt m O gt o lt me c p c gt 23 aC 10000 100000 2000000 00 a Ska Lait L 2 c iK four 6mm 0 23 M3 cated positions using screws Q Mount four 2cm 0 8 M3 spacers at the indi vellemen Enclosure preparation 24 Enclosure preparation L Cut the
10. ly mon 5 STAGE Bran C34 de e 81818 9 per Il ALD UE 5 OU Offset O OC raslo Power amp Re CH LINE STAGE O 69 5 zi ka p E 5 e Offset m PU SE JA 230 VAC SK11 SK10 MAINS SELECTION Velleman Kit P8021B 1 SK13 UR3 80 od Om LO 27 C28 AKO Bess 0 vellemen Construction 1 Jump wires 3 Zener diode check the polarity CATHODE ZD1 20V 0 6W 4 Resistors check the color code CATHODE 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4007 1N4007 1N4007 1N4007 1N4007 1N4007 1N4007 1N4007 33K 1 3 3 0 1K 1 0 2 47K 4 470R T 4 620R 1 6 390K 1 3 33K 1 3 Construction vellemen R22 1K 1 0 2 5 Choke R23 560R 1 5 6 0 0 R24 1K8 1 1 8 0 1 R25A or R25B 1K5 1 5 0 1 R26 1K5 1 5 2 27 560R 1 5 6 0 0 R28A or R28B 1K5 1 5 2 The position of R25 and R28 de pends on the supplied IC for IC2 and IC3 Mount R25B and R28B if type OPA134 is supplied Mount R25A and R28A If types OPA604 or TLE2071 are supplied 1K8 1 1 8 0 1 000000000 SK7 20 type 96120205 d d d d d d d d d d d d d d d d d d d d d d
11. r the ready assembled version oome remarks may not be related to the kit version Diagram RIGHT INPUT OUTPUT SECTION AMPLIFIER SECTION 24 vellemen Mount R25B for OPA134 else R25A TLE2071 OPA134 OPA604 15VL 15VL A A Mount R28B for OPA134 else R28A RV3B C18 2 2uF 100n 50K TLE2071 OPA134 OPA604 Velleman Kit Diam R35 15V OVES E A UA7815 R3 1 5VR lt IR 9 R53 1N4007 C39 cl cog 1 5 Mains selection 470u 470u 100n 1N4007 SK10 D10 is ZDI lE C38 C40 NC C23 cul cal p 100n n 470n 470u 5 os e Hs s 15VR lt R37 UA7915 VR2 1N4007 IN4007 sv 4 D16 VR3 UA7805 230V 115V B C A B C D POWER SUPPLY SECTION FASTON To Cover 5V AN 5V R50 4K7 Co P R48 gt Te la SW4 ICA REC 16 OSCI CLKIN OSC2 CLKOUT 1 TOCKI RAI i S 6 RAS RB7 15 TUNER 7 RB6 eis g RB RB3 10 RB2 ll RBS 2 RA2 CD PIC16CS4RC SWI O PU LINE SW5 n__n j STBY MUTE CONTROLLER SECTION Velleman Kit 25 Diagram velleman PU LINE RY1 ls P N i TI 2 14148 x 10K CD RY2 5 5V C2 LN A BC557 SK7 1N4148 2 20 L 19 10K 18 TUNE
12. st to the back end This fixation will be used later to connect the ground and earth FIG 6 Q Mount the 3 5mm 0 14 spacers like in the drawing Us FIG 7 ing three hexago nal screws anda 5mm spacer washer Do not tighten the spacers yet hex nut Position the PCB in the enclosure and check if the position of the spacers is correct if so remove the PCB and tighten the spacers Q Using an ohmmeter measure between the edge of the aluminum profile and the back spacer if there is a good electric contact 0 ohm If not repeat the above step to remove the paint under the spacer Final assembly 25 Potentiometer assembly and final mount Mount the PCB into the enclosure like before Tip Check if the pcb does not have to much play at the potentiometer posi Play tion If there is too much play put a piece of tape round the edge of the pcb to remove FIG 1 the slack Q Fix the pcb using a 5mm spacers next to C36 Mount the knob onto the potenti ometer check the notch position FIG 3 S Use the supplied Allen wrench velleman Final assembly Now carefully mount the front panel 7 0 using two M4 Allen screws Check the position of the LED s Check if the potentiometer turns smoothly without touching the front panel otherwise correct his position or the position of the front panel Check if the phones connector metal
13. straight against the PCB surface Q RV1 100K Q RV2 100K SK13 JCF3 5 3 5mm jack 12 vellemen 15 RCA connectors d d d d d d d d d d d d d d d d Mount them straight against the PCB MJ 523AG R RED MJ 523AG R RED MJ 523AG R RED MJ 523AG R RED MJ 523AG R RED MJ 523AG R RED Electrolytic capacitors Check the polarity Construction 17 Voltage regulator The back side corresponds the thick line Q VR1 UA7815 Q VR2 UA7915 UA7805 18 Transformer TRANSFORMER Q TR1 TR8021 9V 2x18V 6VA 13 Construction 19 Volume potentiometer HV Q RV3 STRK27103 2x50K ALPS CAUTION This is a high quality potentiometer handle it with care Follow the mounting instructions exactly and in order 1 Mount the support bracket onto the potentiometer Tighten the nut carefully 2 Mount the potentiometer onto the PCB using two 6mm 0 23 screws and M3 nut Only slightly tighten the nuts Do not solder the potentiometer connections yet vellemen 20 Mains voltage selection Use a piece of isolated brown wire to select the mains outlet voltage as indicated on the PC board For 115Vac 100 to 120Vac A jumper between A B and a jumper between C D B For 230Vac 220 to 240Vac A jumper between B C C Ne Using a black marker erase the not used voltage at the back of the unit 21 Mains voltage conn
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