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W2IHY Master CD9 Assembly Instructions Manual page 3

Audio equalizer and noise gate

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No part installed in parts filled in GREY (C5,R23, R24)
C1-C3,C6, C14 -- 4.7 uf Miniature Radial Electrolytic 50V
C5 -- Not Used
C8 -- 22 uf Minature Electrolytic 16 V
C9 - -C12,C15 --100uf Miniature Radial Electrolytic 50V
C7,C13,C16-C17 -- .1 uf monolithic or Disc Ceramic 50V
C18, C19 -- .1 uf Mylar Capacitor
C20, C21 - -.01 uf Mylar Capacitor
C26 - C29 - -.001 uf Mylar Capacitor
C22 -- .033 uf Mylar Capacitor
C4 -- 120 pf Ceramic Disc
C25 -- 560 pf Ceramic Disc
C23-C24 -- 470 uf Miniature Radial Electrolytic 16V
D1-D2 -- 1N914 or 1N4148 Switching Diodes
D3 -- 1N4001
JMPR -- 2 Pin Strip Line Plug (.100") and Shorting Block
J1 -- 16 Pin IDC DIP Flat Ribbon Cable
J2 -- 8 Pin Male Microphone Connector
J3 -- 5 Pin Female DIN Socket
J4-J5 -- RCA Chassis Mounted Phono Jack
J6 -- 5 Female Din Socket (with 2 Pins removed)
LED1 -- Panel Mount 5mm Green LED
LED2 -- Panel Mount 5mm Red LED
LED3 -- Panel Mounted 5mm Orange (or yellow) LED
Q1 -- 2N3417 Switching Transistor
BOLD printed parts mounted in case not on P.C. board
REG1 --7805 +5V Linear Regulator in T220 Case (Use Heat Sink)
RFC1- RFC3 -- 470 uh Miniature (Epoxy Coated) R.F. Choke
R1-R2 -- 10K ohm 10 Pin, 5 Resistor SIP Network
R3 -- 100 ohm 10 Pin, 5 Resistor SIP Network
R4 -- 1K ohm 10 Pin, 5 Resistor SIP Network
R5-R6 -- 10 ohm 1/4 Watt 5 % Resistor
R25 -- 1K ohm 1/4 Watt 5% Resistor
R7, R19 -- 6.8K ohm 1/4 Watt 5% Resistor
R20-- 10K ohm 1/4 Watt 5% Resistor
R8 -- 5.6K ohm 1/4 Watt 5% Resistor
R9-R10 -- 47K ohm 1/4 Watt 5% Resistor
R11,R21, R26 -- 2.2K ohm 1/4 Watt 5% Resistor
R23,R24 -- Not Used
R22 -- 3.8M 1/4 Watt 5% Resistor
R12*, R13 -- 100K ohm Horizontal Mounted P.C. Trimmer
R14 -- 0K ohm 1/4 Watt 5 % Resistor
R15 R16, R18 25K ohm Slide Potentiometer
R17 100K ohm Slide Potentiometer
S1-S3 -- SPST Miniature Toggle Switch
S4 -- 4 Pole 3 Position (non-shorting) Rotary Switch
U1 -- TL074 or JRC2060D
U2 -- 74HC00
U3 -- 74LS123
U4 -- 74HC4053
T1 -- 600 ohms Primary: 600 ohms Secandary audio transformer
* Parts mounted on Pin side of P.C. board
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