User manual

5
 IC1 : 8p
 IC2 : 28p
4. IC socket. Watch the
position of the notch!
 R1 : 470
(4 - 7 - 1 - B)
 R2, R3 : 1K
(1 - 0 - 2 - B)
 R4 : 220K
(2 - 2 - 4 - B)
 R5, R6 : 33K
(3 - 3 - 3 - B)
 R7 : 22K
(2 - 2 - 3 - B)
2. Horizontal resistors
R...
The audio analyzer consist of three parts: the basic module, the display module and the front panel.
If required you can mount this kit into a housing, panel, ...
In this case use the display gap as a marker reference.
First we assemble the basic module.
1. Jumper wire
 J1 ... J6
 R8 : 750 (7 - 5 - 1 - B)
 R9 : 180K
(1 - 8 - 4 - B)
 R10 : 2K2
(2 - 2 - 2 - B)
 R11, R12 : 6K8
(6 - 8 - 2 - B)
 R13 : 680
(6 - 8 - 1 - B)
 R14 : 3K3
(3 - 3 - 2 - B)
 R15 : 750
(7 - 5 - 1 - B)
 R16 : 5K6
(5 - 6 - 2 - B)
 R17 : 220
(2 - 2 - 1 - B)
 R18 : 22K
(2 - 2 - 3 - B)
Construction
 D1 : 1N4007
3. Diode. Watch the polarity!
D...
CATHODE
 L1 : 4700µH (4 - 7 - 2 )
5. HF-Choke
L2
L...