Velleman 8020 Bedienungsanleitung

Total solder points: 500 Difficulty level: beginner 1o 2o 3o 4o 5þ advanced K8020 HIGH-END VALVE CONTROL AMPLIFIER ILLUSTRATED ASSEMBLY MANUAL

10 q R37: 4K7 (4-7-2) q R38: 10K (1-0-3) q R39: 4K7 (4-7-2) q R40: 10K (1-0-3) q R41: 1K (1-0-2) q R42: 10K (1-0-3) q R43: 10K (1-0-3) q R44: 10K (1-0

11 q RY9: VR5C122C 9. Power relay q T01: BC557 q T02: BC557 q T03: BC557 q T04: BC557 q T05: BC557 q T06: BC557 q T07: BC557 q T08: B

12 q SW1: TS-04PV q SW2: TS-04PV q SW3: TS-04PV q SW4: TS-04PV q SW5: TS-04PV Remark: The metal part of these but-tons are used as jump wir

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/350

14 q RV1: STRK27103 (2x50K ALPS) CAUTION: This is a high quality potentiometer, handle it with care. Follow the mounting instructions exactly a

15 First: Bend the leads exactly like the drawing. Next: Solder one lead, and check the position, if necessary correct by heating the solder

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 suppor

17 q Cut the thread in the holes for the en-closure feet in one of the aluminum profiles, using the supplied special M4 screw as a tap. q Cut

18 q Position the main PCB in the aluminum profile that is pre-pared with the feet. q Mark the center position of the three fixati

19 q Remove the pcb and use a knife or a screwdriver to scratch the paint from the alu-minum fixation, from the hole closest to the back end. This fi

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

20 Final assembly q Mount the PCB into the enclosure like before. q Fix the pcb using a 5mm spacers next to C9. q Mount the k

21 q Now carefully mount the front panel, us-ing two M4 Allen screws. Check the posi-tion of the LED’s. q Check if the potentiometer turns smoothly w

22 Mounting the voltage regulator: q VR1: 7812 (isolated plastic type) First bend his leads like in the drawing Then mount him onto the previously i

23 q 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 i

24 Insert the IC into his socket. Watch the position of the notch! q IC1 VK8020 / PIC16C54RC Insert the valves into their socket (watch the po

25 Diagram POWER SUPPLY SECTION CONTROLLER SECTION © Velleman Kit D101N4007D111N4007D161N4007 D191N4007D181N4007D171N4007C10100nC11100nADCB230VNB+C115

26 Diagram RY1T1BC557SK1R110KC1220pD11N4148+5VRY2T2BC557SK2R210KC2220pD21N4148+5VRY3T3BC557SK3R310KC3220pD31N4148+5VRY4T4BC557SK4R410KC4220pD41N4148+5

27 RIGHT INPUT / OUTPUT SECTION AND AMPLIFIER SECTION © Velleman Kit RY1T01BC557SK01R0110KC01220pD011N4148+5VInput1RY2T02BC557SK02R0210KC02220pD021N41

VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium Europe Info ?: http://www.velleman.be Questions ?: [email protected] Modifications and typogra

3 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 s

4 ⇒ Use the check-boxes to mark your progress. ⇒ Please read the included information on safety and customer service * Typographical inaccuracies exc

5 Color code table I P E SF S DK N D GB F NL C O D E CODICE COLORE CODIGO DE CORES CODIGO DE COLORES VÄRI KOODI FÄRG SCHEMA FARVE-KODE FAR

6 The unit consists out of two PCB’s, one is the main PCB, P8020B and the other is the left channel input section P8021L. First we will start with th

7 q T1: BC557 q T2: BC557 q T3: BC557 q T4: BC557 q T5: BC557 q T6: BC557 5. transistors q C1: 220p (221) q C2: 220p (221) q C3: 220p

8 P8020B Assembly Construction

9 q J1... J26 1. Jump wires q R01: 10K (1-0-3) q R02: 10K (1-0-3) q R03: 10K (1-0-3) q R04: 1K (1-0-2) q R05: 10K (1-0-3) q R06: 10K (1-0-3) q R