Radio Shack CCR-81 Technical Manual

SYMBOL
KEYBOARD
PARTS LIST
DESCRIPTION
PART
NUMBER
SYMBOL
LEVEL
II KIT
PARTS
LIST
DESCRIPTION
PART
NUMBER
PRINTED CIRCUIT
BOARD,
KEYBOARD
CAPACITORS
1
700070
J1
C1
C2
0.1
juF,
10%,
12V, Disc
0.1
ixF, 10%,
12V, Disc
1500052
1500052
R1
Z1
Z2
DIODES
Z3
Z4
CR1 LED, HP5082-4850,
Red
KEYBOARD
2400025
PRINTED
CIRCUIT
BOARD,
LEVEL II
ROM ADAPTER
1700081
Socket, I.C., 24 Pin
2100034
Resistor,
4.7K, 1 /4 W, 5%
4704061
I.C.,
4Kx 8
ROM,
450ns,
ROM
A 3108013
I.C.,
4Kx 8 ROM,
450ns, ROM B
3108014
I.C.,
4Kx
8
ROM,
450ns, ROM C
3108015
I.C., 74LS42,
BCD to Decimal
Decoder
3102036
KB1 DS5300, 53 Key,
2-Shot Key caps
5100013
RESISTORS
R1 4.7
K, 1/4W, 5%
R2 4.7 K, 1/4W, 5%
R3 4.7 K, 1/4W, 5%
R4 4.7 K, 1/4W, 5%
R5
4.7 K, 1/4W,
5%
R6 4.7 K, 1/4W, 5%
R7 4.7K,1/4W, 5%
R8 4.7
K,
1/4W,
5%
R9 330 ohm, 1/4W,
5%
4704061
4704061
4704061
4704061
4704061
4704061
4704061
4704061
4704036
INTEGRATED
CIRCUITS
Z1
Z2
Z3
Z4
74LS05, Hex Buffer
with
open
collector
High Voltage outputs
3102009
74LS05, Hex Buffer
with open collector
High Voltage
outputs
3102009
74LS368,
TRI-STATE
Hex Buffer 3102025
74LS368,TRI-STATE Hex
Buffer 3102025
WIRE
W1 Stranded, Prebonded,
LED,
Red,
10"
6002526
W2
Stranded, Prebonded, LED,
Black,
10"
6000526
33

Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English