MFJ Memory Keyer MFJ-493, Instruction Manual

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MFJ-493 Instruction Manual
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MFJ-493 Parts List
Part Designator Description
R1 Resistor, Network, SIP, Common, 9 Elements, 10 kOhm
R2, R12 Resistor, 1/4 Watt, 5 %, Film, 100 kOhm
R3, R17 Resistor, 1/4 Watt, 5 %, Film, 1 kOhm
R4 Resistor, Pot, PCS, Linear Taper, 1 kOhm
R5, R11, R19, R20 Resistor, 1/4 Watt, 5 %, Film, 20 kOhm
R6 Resistor, 1/4 Watt, 5 %, Film, 100 Ohm
R7 Resistor, 1/4 Watt, 5 %, Film, 15 Ohm
R8 Resistor, Pot, PCB, Linear Taper, 250 Ohm
R9, R13, R14, R15, R18 Resistor, 1/4 Watt, 5 %, Film, 10 kOhm
R10 Resistor, 1/4 Watt, 5 %, Film, 1.5 kOhm
R16 Resistor, 1/4 Watt, 5 %, Film, 130 Ohm
C1, C2 Capacitor, Multilayer Cer, NPO, 5 %, 50 V, 33 pF
C3, C5, C6, C12, C13, C16 Capacitor, Disc Ceramic, 1 kV, 20 %, .01 µF
C4, C18 Capacitor, Electrolytic, Radial, 50 V, 1 µF
C7 Capacitor, Electrolytic, Radial, 35 V, 2.2 µF
C8, C9, C10, C19, C26, C27 Capacitor, Multilayer, .2, X7R, 10 %, 50 V, .1 µF
C14 Capacitor, Disc Ceramic, 1 kV, 20 %, .1 µF
C11 Capacitor, Electrolytic, Radial, 50 V, 10 µF
C15 Capacitor, Electrolytic, Radial, 35 V, 47 µF
C17, C20, C21, C22, C24 Capacitor, Multilayer Cer., NPO, 5 %, 50 V, 33 pF
C23 Capacitor, Disc Ceramic, 1 kV, 20 %, .001 µF
C25 Capacitor, Disc Ceramic, 50 V, 20 %, 22 pF
C28, C29, C30, C31 Capacitor, Multilayer Cer., NPO, 5 %, 50 V, 33 pF
C32, C33, C34 Capacitor, Disc Ceramic, 1 kV, 20 %, .001 µF
Q1 Transistor, Darlington, TO-92, NPN, MPS-A13
Q2, Q5 Transistor, General Purpose, NPN, MOT 2N3904
Q3 Transistor, High Voltage, 300 V, PNP, MPS-A92
Q4 Transistor, FET, Switching, VN10KM
Y1 CrystaI, HC18/U, 16 MHz
D1, D4 Diode, Zener, DO-35, 500 mW, 3 V, 1N5225B
D2, D3, D5, D7, D8, D9 Diode, Rectifier, DO-41, 1 A, 1N4006
D6 Diode, Switching, DO-3 5, 10 mW, 1N4148
L1, L2 100 mH