Velleman Mk103 Sound-to-light Unit User Manual

velleman MK103 Sound-To-Light Unit

MK103

1. Resistor 
   • RR1: 10K
     • (Brown, Black, Orange)
   • R2: 330K
     • (Orange, Orange, Yellow)
   • R3 … R5 : 100K
     • Brown, Black, Yellow)
   • R6 … R9 : 47E
     • (Yellow, Purple, Black)
   • R10 … R12 : 1M5
     • (Brown, Green, Green)
   • R13, R14 : 47K
     • (Yellow, Purple, Orange)
2. LED
3. Transistor
4. Ceramic capacitors
5. Electrolytic capacitors
6. Horizontal Trimmer
7. Microphone
8. 

MK102

1. Resistor
   • R1, R2 : 1K
     • (Brown, Black, Red)
   • R3, R4 : 10K
     • (Brown, Black, Orange
2. Trimmer
3. Transistor
4. LED
5. Electrolytic capacitors
6. Battery snap

HOW TO SOLDER?

1. Wipe tip
2. Insert part against PCB
3. Insert part against PCB
4. Bend leads
5. Heat part lead & PCB pad
6. Apply solder
7. Correct joint
8. Cut close to PCB
9. Inspect

Bad solderings

• Too little solder
• Too much heat
• Bad contact
• Too much solder

not included