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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: 

 

• 

A good quality soldering iron (25-40W) with a small tip. 

 

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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. 

 

• 

Thin raisin-core solder.  Do not use any flux or grease. 

 

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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 components 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 avoid disappointments. 

⇒ 

Follow the instructions carefully.  Read and understand the entire step before you perform each operation.  

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Perform the assembly in the correct order as stated in this manual 

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Position all parts on the PCB (Printed Circuit Board) as shown on the drawings.  

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Values on the circuit diagram are subject to changes. 

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Values in this assembly guide are correct* 

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Use the check-boxes to mark your progress. 

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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.  

 

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Summary of Contents for K8060

Page 1: ...AMPLIFIER K8060 ILLUSTRATED ASSEMBLY MANUAL H8060IP 1 Total solder points 74 Difficulty level beginner 1 2 3 4 5 advanced Ideal for active speaker system or subwoofer guitar amp home theatre systems...

Page 2: ...or isolators spacers and bolts Overload and short circuit protection Features 200W music power 4 ohm load 100Wrms power 4 ohm load 70Wrms power 8 ohm load Distortion 0 02 1KHz 10W Damping factor 800 F...

Page 3: ...he eyes Needle nose pliers for bending leads or to hold components in place Small blade and Phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be ha...

Page 4: ...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 REMOVE THEM FROM THE TAPE ONE AT A...

Page 5: ...1 B R5 220 2 2 1 B R6 47 4 7 0 B R7 680 6 8 1 B R8 3K3 3 3 2 B R9 3K3 3 3 2 B R10 10 1 0 0 B R11 3K3 3 3 2 B R12 1K5 1 5 2 B R13 3K3 3 3 2 B R14 1K8 1 8 2 B R15 1K 1 0 2 B R16 47 4 7 0 B R17 220 2 2...

Page 6: ...LED Watch the polarity LD CATHODE T1 BC640 T2 BC640 T3 BC639 T4 BC547B T5 BC557B 8 Transistors RV1 1K 7 Trim potentiometer RV1 IN GND 10 PCB tabs LS LS AC 2x AC 0 2x 12 PCB terminals C9 10 F C10 100...

Page 7: ...or tweakers Replace the original caps with 4700 F 50V types for even better performance 14 Electrolytic Capacitors Watch the polarity C IMPORTANT Check the complete assembly carefully before mounting...

Page 8: ...stom pre drilled heat sink is available from your distributor order code HSVM100 Any other heat sink must be able to dissipate at least 30W 1 25 C W see fig 1 0 Use the template as a drill guide 15 Fi...

Page 9: ...9 Mount 4 bolts 8 nuts PCB support fig 2 0 Final assembly 2 x M3 nut M3 15mm bolt Slide the PCB over the 4 bolts and fix using 4 nuts Fig 3 0 Fig 2 0 Fig 3 0...

Page 10: ...10 Transistor T6 16 Mounting the transistor T6 on the heat sink Apply a drop of heat conductive compound in the heat sink hole fig 4 0 Fig 4 0...

Page 11: ...transistor BC547 in the hole Fig 5 0 Pay attention to the position of the transistor fig 6 0 Carefully bend the leads and solder them to the connector T6 see figure 7 0 Fig 5 0 Fig 6 0 Fig 7 0 Transi...

Page 12: ...mica Carefully bend the leads see fig 9 0 Mount the transistor on the heat sink using a bolt washer lock washer and nut IMPORTANT If metal body transistors are used a plastic isolation washer must be...

Page 13: ...13 Solder the connections of the power transistors with the pin headers see fig 10 Fig 10 Power transistors...

Page 14: ...CB The Velleman transformer colour scheme is specified on the pcb Careful Other brands may feature a different scheme Y yellow R red B blue G grey Make sure to put a 1A T slow blow fuse in series with...

Page 15: ...15 Test adjustments 2 x 25 to 30Vac transformer 1A T slow blow fuse mains 4 8 Ohm Inputsignal optional AC 0 0 AC VOLUME CONTROL 47K Log...

Page 16: ...8040 transformer is used there is a selection of primary AC voltage 120Vac black brown 230Vac black orange IMPORTANT Insulate the wire that is not being used NOTE Two amplifiers and two transformers a...

Page 17: ...rce pre amp or mixing panel or a vol ume control potentiometer can be used see diagram Connect the speaker 4 ohm or higher to the connections LS and GND CAUTION VOLTAGES OF ABOUT 80V ARE PRESENT MAKE...

Page 18: ...18 19 PCB layout PCB...

Page 19: ...C3 680p C5 10 F C9 33K R18 47K R1 3K3 R11 3K3 R9 3K3 R3 10 R10 LED3RL LD1 TIP142 T8 TIP147 T7 GND SK1 In SK2 0 47 5W R19 0 47 5W R20 BC547 T6 BC547 T4 BC557 T5 BC639 T3 330R R4 100R R2 1K8 R14 680R R...

Page 20: ...ions and typographical errors reserved Velleman Components nv H8060IP 2005 ED1 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com 5 4 1 0 3 2 9 3 3...

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