RB Robotics
Email: rb5x@rbrobotics.com

 

CPU Board Parts list
 
Designator Description  Value, Type
Rl, R2, R3, R26,  
R27, R28,  R31,
R32, R34,  R35,
R36, R37,  R38,
R40, R41,  R42,
R48, R49,  R53,
R55, R56,  R57, R58
Resistor 10K OHM, 5%, 0.25 watt
R8, R9, R10, R11,
R12,  R13,  R14,
R15,  R16,  R18,
R19, R20, R21, R46
Resistor 330 OHM, 5%, 0.25 watt
R22, R23,  R24, R25 Resistor  22K OHM, 5%, 0.25 watt
R29, R30 Potentiometer 1OOK OHM, 5%
R33, R45,   R59,              
R60, R61
Resistor   1OOK OHM, 5%, 0.25 watt
R39 Resistor   100 OHM, 5%, 0.25 watt
R43   Resistor   2.7K OHM, 5%, 0.25 watt
R44 Resistor 1OK OHM, 5%, 0.25 watt
R47 Resistor 5.6K OHM, 5%, 0.25 watt

C2, C3, C4, C5, C6,C7,

C14, C15, C16,C17,

C18, C19, C20

Capacitor 0.01 UF, 20%, 100 volt
C8 Capacitor

300 PF, 20%, 100 volt

C9, C10, C11, C21 Capacitor

10 UF, 20%, 16 volt

C12, C22 Capacitor

1 UF, 20%, 16 volt

U1

Decoder SN74LS139

U4, U20, U23

Programmable I/O Driver

INS8255

U5

Driver MC1413

U6

Inverter SN74LS14

U7

Dual AND SN74LS21

U8

Microprocessor INS8073

U9

Voltage inverter ICL7660

U11

Comparator LM392

U12

Voltage sensor ICL8211

U13

Hex buffer CD4503

U14

PROM 2732 socket
U15 Decoder 74LS154
U16, U17, U18, U19 Memory 2KX8  HM6116
U24 Quad NAND 74LS00
Q1, Q2, Q5, Q6, Q7, Q8 Transistor   PN2222
Q3, Q4 Transistor PN2907
Dl, D2, D3, D4, D5, D6 Diode IN4148
X1 Crystal  4.0 MHZ
H1 Horn Constant tone
SW1 DIP switch  4 position
R1  Resistor 1K OHM, 5%, 0.25 watt
R2, R3 Resistor 430K OHM, 5%, 0.25 watt
Dl, D3 Diode IN5402
C1 Capacitor 1000 UF, 20%, 16 volt
F1 Fuse 1 amp, 3AG

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