Instruction/ maintenance manual of the product K2572 Velleman
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UN IVERSA L STE REO PR E - AMPL IFIE R K2572 I LLUSTR A T ED ASSEMB LY MANU AL H2572I P-1 Total solder p oints: 42 Dif ficu l ty level : begin ner 1 2 3 4 5 adva nced L o w n o i s e p r e a m p l i f i e r t o b o o s t s m a l l s i g n a l s .
2 Specifications: P ower s uppl y: 1 0 - 30V DC maxi mu m, st ab iliz ed. Curr ent abs orp ti on wit h out c h a r ge : typ . 5mA. Ad justa ble gain : 40dB max . Fr equenc y r ang e : 4 0H z - 30K Hz (-3 dB). Outp ut imp ed anc e : 1K Ω .
3 Asse mbly hin ts 1. Assembl y (Skipping this can l ead t o t r o u b l es ! ) Ok, so we have your at t ention. T hes e hin ts will help you to make t hi s project successful. Read them carefully. 1.1 Make sure you have the r i g h t t oo ls: • A good quality soldering iron (25-40 W ) with a small tip.
4 Asse mbly hin ts 1.3 Soldering Hints : 1- Mount the component against the P C B surface and c aref ully solder the leads 2- Make sur e th e so lder joint s are cone-s haped and s hin y 3- Trim ex c .
5 R1 : 22K (2 - 2 - 3 - B ) R2 : 22K (2 - 2 - 3 - B ) R3 : 1M Ω (1 - 0 - 5 - B) R4 : 1M Ω (1 - 0 - 5 - B) R5 : 10K (1 - 0 - 3 - B ) R6 : 10K (1 - 0 - 3 - B ) 1. Resistors R... C o ns tr ucti on IC1 : 8p 2. I C socke t. W atch t h e position of the notch! C4 : 100nF (104, u1) 3.
6 Use T e n c onn e c ti ons ar e provi ded on t he pc b to c on nect th e p rin t with a d evic e. T h e s e c onnec tions are id entic al t o th o s e of t he RIAA pr eam plif ier K 2573 and in c ase you us e th e c on nect ors inc lu ded in this kit, you ma y int erch ang e th e two pr ints .
7 PCB 8. PCB 7 PCB 8. PCB.
Modif ic ati ons and t ypogr ap hic al errors res e r ved © V ellem an C omp on ents nv. H25 72IP - 20 03 - ED 1 (re v 2. 0) VELLE M AN Compone nt s NV Legen He i rweg 33 9890 Gavere Be lgiu m Eu rop e www.
An important point after buying a device Velleman K2572 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Velleman K2572 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Velleman K2572 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Velleman K2572 you will learn all the available features of the product, as well as information on its operation. The information that you get Velleman K2572 will certainly help you make a decision on the purchase.
If you already are a holder of Velleman K2572, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Velleman K2572.
However, one of the most important roles played by the user manual is to help in solving problems with Velleman K2572. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Velleman K2572 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
