Velleman-Kit K8020 Скачать руководство пользователя | Manualshive

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13

q

C23: 100µ

q

C24: 470µ

q

C25: 1000µ

q

C26: 1000µ

q

C27: 1000µ

q

C28: 47µ/350V

q

C29: 47µ/350V

q

C30: 47µ/350V

q

C31: 47µ/350V

q

C32: 47µ/350V

q

C33: 47µ/350V

q

C34: 47µ/350V

16. Electrolytic capacitors.
Check the polarity !

q

VR2: UA7805

VR1 will be mounted later

15. Voltage regulator.
The back side corresponds to
the thick line.

C...

VR...

q

TR1: TR8020, 2x18V, 12V, 220V/
16VA

First fix the transformer using four
6mm M3 screws and nuts (nuts at
solder side), then solder his connec-
tions.

Tip: It is advisable to secure the
nuts using a drop of glue.

17. Transformer.

TRAFO...

Construction

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Содержание K8020

Страница 1: ...al solder points 500 Difficulty level beginner 1o 2o 3o 4o 5þ advanced K8020 HIGH END VALVE CONTROL AMPLIFIER ILLUSTRATED ASSEMBLY MANUAL H8020IP 1 Valve Control Amplifier 8020 Monitor 6dB Aux CD Tuner AV ...

Страница 2: ...VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium http www velleman be ...

Страница 3: ...agonal 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 Small blade and phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be handy 1 2 Assembly Hints Make sure the skill level matches your experience to avoi...

Страница 4: ... 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 3 Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME Assembly hints AXIAL COMPONENTS ARE TAPED IN THE CORRECT MOUNTING SEQUENCE ...

Страница 5: ...nge Orange Orange Orange Orange Orange Oranje 3 4 Giallo Amarelo Amarillo Keltainen Gul Gul Gul Gelb Yellow Jaune Geel 4 5 Verde Verde Verde Vihreä Grön Grøn Grønn Grün Green Vert Groen 5 6 Blu Azul Azul Sininen Blå Blå Blå Blau Blue Bleu Blauw 6 7 Viola Violeta Morado Purppura Lila Violet Violet Violet Purple Violet Paars 7 8 Grigio Cinzento Gris Harmaa Grå Grå Grå Grau Grey Gris Grijs 8 9 Bianco...

Страница 6: ...ctures on the packaging can be used as a guideline However due to possible changes it is not 100 reliable CONSTRUCTION q D1 1N4148 q D2 1N4148 q D3 1N4148 q D4 1N4148 q D5 1N4148 q D6 1N4148 1 Diodes check the polarity CATHODE D q R1 10K 1 0 3 q R2 10K 1 0 3 q R3 10K 1 0 3 q R4 10K 1 0 3 q R5 10K 1 0 3 q R6 10K 1 0 3 q R7 1K 1 0 2 q R8 1K 1 0 2 2 Resistors check the color code R Construction P8021...

Страница 7: ...q q RY2 VR05051AS or eq q RY3 VR05051AS or eq q RY4 VR05051AS or eq q RY5 VR05051AS or eq q RY6 VR05051AS or eq 4 Reed relays check the position of the notch q SK1 MJ 523AG B BLACK q SK2 MJ 523AG B BLACK q SK3 MJ 523AG B BLACK q SK4 MJ 523AG B BLACK q SK5 MJ 523AG B BLACK q SK6 MJ 523AG B BLACK 6 RCA connectors Mount them straight and against the PCB q SK7 HDR20 26 7 Pin connector Mount it exactly...

Страница 8: ...8 P8020B Assembly Construction ...

Страница 9: ...1 0 3 q R23 3K6 1 3 6 0 1 q R24 100K 1 0 4 q R25 10K 1 0 3 q R26 3K6 1 3 6 0 1 q R27 33K 1 3 3 0 2 q R28 680R 6 8 1 q R29 5K6 5 6 2 q R30 1K 1 0 2 q R31 1K 1 0 2 q R32 27K 0 6W 2 7 3 9 q R33 27K 0 6W 2 7 3 9 q R34 27K 0 6W 2 7 3 9 q R35 1R 1 0 q R36 10K 1 0 3 3 Resistors check the color code q D1 1N4148 q D2 1N4148 q D3 1N4148 q D4 1N4148 q D5 1N4148 q D6 1N4148 q D7 1N4148 q D8 1N4148 q D9 1N4148...

Страница 10: ... the valve supports V1 and V2 q Mount 3 pins in the holes for VR1 4 PCB pins q IC1 18P 5 IC sockets q C01 220p 221 q C02 220p 221 q C03 220p 221 q C04 220p 221 q C05 220p 221 q C06 220p 221 q C07 220p 221 q C08 100n 104 0 1 u1 q C09 100n 104 0 1 u1 q C10 100n 104 0 1 u1 q C11 100n 104 0 1 u1 q C12 100n 104 0 1 u1 q C13 100n 104 0 1 u1 q C14 100n 104 0 1 u1 q C15 100n 104 0 1 u1 6 Capacitors C Cons...

Страница 11: ...MJ 523AG R RED q SK4 MJ 523AG R RED q SK5 MJ 523AG R RED q SK6 MJ 523AG R RED 11 RCA connectors Mount them straight and against the PCB q SK7 20P type 96120205 7 Female header q RY1 VR05051AS or eq q RY2 VR05051AS or eq q RY3 VR05051AS or eq q RY4 VR05051AS or eq q RY5 VR05051AS or eq q RY6 VR05051AS or eq q RY7 VR05051AS or eq q RY8 VR05051AS or eq 10 Reed relays check the position of the notch R...

Страница 12: ...gainst the PCB surface Construction q C16 2 2uF 2u2 225 q C17 2 2uF 2u2 225 q C18 68nF 630V 0 068 683 q C19 68nF 630V 0 068 683 q C20 22nF 630V 0 022 223 q C21 4 7uF 160 250V 4u7 q C22 4 7uF 160 250V 4u7 14 Capacitors C q V1 B9A q V2 B9A The valve socket is mounted on top of the allready mounted PCB pins First position the socket over the pins and solder one lead Check the hight of opprox 23mm 0 9...

Страница 13: ...ytic capacitors Check the polarity q VR2 UA7805 VR1 will be mounted later 15 Voltage regulator The back side corresponds to the thick line C VR q TR1 TR8020 2x18V 12V 220V 16VA First fix the transformer using four 6mm M3 screws and nuts nuts at solder side then solder his connec tions Tip It is advisable to secure the nuts using a drop of glue 17 Transformer TRAFO Construction ...

Страница 14: ...se a piece of isolated brown wire to select the mains outlet voltage as indicated on the PC board q For 115Vac 100 to 120Vac A jumper between A B and a jumper between C D q For 230Vac 220 to 240Vac A jumper between B C Using a black marker erase the not used voltage at the back of the unit 19 Mains voltage selection q Connect a 10cm blue wire to the point N of SK8 q Connect a 10cm brown wire to th...

Страница 15: ...D4 L 424YDT q LD5 L 424YDT q LD6 L 424YDT q LD8 L 424YDT 21 Mounting the LED s Check the polarity Short lead Cathode or Construction 7mm C 12mm 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 po sitioning reference 3mm 3mm C CATHODE LD FIG 1 FIG 2 FIG 3 CAUTION After bending the leads the lo...

Страница 16: ...16 q Mount four 2cm 0 8 M3 spacers at the indi cated positions using four 6mm 0 23 M3 screws 22 Mounting the sub PCB support Construction ...

Страница 17: ...ing the supplied special M4 screw 4 holes per piece q Mount the feet on the aluminum pro file using four M4 hexagonal Allen screws Use the supplied Allen wrench It is advisable to stick the pro tection adhesive onto the feet q Mount the valve pro tection covers on one of the aluminum pro files Use four M4 hex agonal Allen screws 23 Enclosure preparation Enclosure preparation FIG 2 FIG 3 FIG 4 FIG ...

Страница 18: ...8 q Position the main PCB in the aluminum profile that is pre pared with the feet q Mark the center position of the three fixation holes on the aluminum Align pcb with profile Enclosure preparation FIG 5 ...

Страница 19: ... hexagonal screws and a washer Do not tighten the spacers yet q 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 Enclosur...

Страница 20: ... onto the potentiome ter check the notch position FUse the supplied Allen wrench Tip Check if the pcb does not have to much play at the potentiometer posi tion If there is too much play put a piece of tape round the edge of the pcb to remove the slack Play 24 Potentiometer assembly and final PCB mount FIG 1 FIG 2 MAX MIN FIG 3 ...

Страница 21: ...q Slide an M3 hexagonal screw into the profile side Position the screw about in the center of the profile q Again mount the pcb into the enclosure q Fix the pcb using a 2cm 0 8 spacer at the position next to SK07 and use 5mm spacers to fix the other two positions Measure using an ohm meter or continuity beeper if the 2cm spacer is electrically con nected to the ground wire yellow green wire If not...

Страница 22: ...ew at the appropri ate position according to the PCB Use a 5mm spacer screw Last solder his connections q Mount insert the mains connector onto the rear panel Insert a 250mA fuse into the connector there is also room for a spare fuse q Mount the rear panel onto the enclosure us ing two M4 Allen screws 25 Final assembly and connection Final assembly FIG 1 FIG 2 FIG 3 ...

Страница 23: ...e of 1 5cm 0 6 shrink tube to isolate each connec tion q Mount the front panel onto the front using two M4 Allen screws FCheck the position of the LED s and check if all buttons are working correctly It could be that paint rest over in the holes is preventing the buttons from smooth opera tion Test FIG 4 FIG 5 ...

Страница 24: ... danger ous mains voltage or high DC voltage Push the power button or one of the input selection buttons Check if the power supply LED LD08 is lit This means that the high voltage is correct Normally the valves filaments or heaters must also work Disconnect the mains plug Check the user manual to test all functions and operation of the unit then the aluminum cover can be mounted Please note that t...

Страница 25: ...350V 300V R34 27K 0 6W R30 1K R31 1K C20 22n 630V I O GND VR1 uA7812P R33 27K 0 6W R32 27K 0 6W LD8 L 424YDT 18V 18V 12V 220V 0 21V 230Vac in 265V 230Vac in RA0 17 RA1 18 RA2 1 RA3 2 RB0 6 RB1 7 RB2 8 RB3 9 RB4 10 RB5 11 RB6 12 RB7 13 VSS 5 MCLR VPP 4 OSC1 CLKIN 16 T0CKI 3 OSC2 CLKOUT 15 VDD 14 IC1 PIC16C54RC R39 4K7 C07 220p Input1 Input2 Input3 Input4 Monitor 6dB Mute R47 10K R44 10K R43 10K R42...

Страница 26: ...SK3 R3 10K C3 220p D3 1N4148 5V RY4 T4 BC557 SK4 R4 10K C4 220p D4 1N4148 5V RY5 T5 BC557 SK5 R5 10K C5 220p D5 1N4148 5V RY6 T6 BC557 SK6 R6 10K C6 220p D6 1N4148 5V R8 330R R7 1K 5V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SK7 CD PU LINE TUNER REC MONITOR LINEOUTL LEFT INPUT OUTPUT SECTION Velleman Kit ...

Страница 27: ... 0 6W R10 1M 5V RY8 D08 1N4148 5V 6dB R13 3K6 1 RV1B 50K RV1A 50K C17 2 2uF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SK07 Input1 Input2 Input3 Input4 Mute Monitor Line out L Line out L CD PU LINE TUNER REC MONITOR LINEOUTR 1 2 3 5 9 4 8 6 7 V1 ECC82 C32 47µ 350V C31 47µ 350V R17 3K6 1 R14 100K R18 33K 1 R12 10K T08 BC557 R19 10K C18 68n 630V C21 4u7 160V 300V R15 5K6 12 5V R28 680R R21 2...

Страница 28: ...VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium Europe Info http www velleman be Questions support velleman be Modifications and typographical errors reserved Velleman Kit nv H8020IP 2000 ED1 ...

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