Radio Shack CCR-81 Technical Manual

LEVEL I
LOGIC BOARD
PARTS
LIST
(Cont'd)
PART
PART
SYMBOL DESCRIPTION
NUMBER
SYMBOL
DESCRIPTION
NUMBER
R13
2.2
K,
1/4W,
5% 4704054
SWITCHES
R14
12
K, 1/4W, 5% 4704070
R15
1.5 K, 1/4W, 5%
4704050
S1 4PDT Push
5102008
R16
1.2
K,
1/4W,
5% 4704049
S2 DPDT
Push
5102009
R17
2K, 1/4W,
5% 4704053
R18
5.6 ohm, 3W, 5%
4717003
SINKS
R19
220 ohm,
1 /2W, 5%
4708032
R20
100 K, Trim Pot, 20%
4750018
Sink Q4
Heatsink
5300003
R21
100 K, Trim Pot,
20% 4750018
Sink Q6
14 Heatsink
5300002
R22 75
ohm, 1/4W,
5% 4704023
R23
120 ohm, 1/4W, 5%
4704027
SOCKETS
R24
680 K,
1 /4W, 5%
4704100
R25
1.6 Megohm,
1/4W, 5% 4704106
X3
16
Pin
I.C. Socket
2100037
R26
1 Megohm, 1/4W,
5% 4704102
X13
16
Pin
I.C.
Socket
2100037
R27 330
ohm, 1/4W, 5%
4704036
X14
16
Pin I.C.
Socket
2100037
R28
270 ohm,
1/4W, 5%
4704034
X15
16
Pin
I.C. Socket
2100037
R29
1.8
K, 1/4W, 5%
4704052
X16
16
Pin I.C.
Socket
2100037
R30
47 ohm, 1/4W,
5%
4704019
X17
16
Pin
I.C. Socket
2100037
R31
10 ohm, 1/4W, 5%
4704011
X18
16
Pin I.C.
Socket
2100037
R32
10
K, 1/4W, 5%
4704068
X19
16
Pin I.C.
Socket
2100037
R33
360
K,
1 /4W,
5%
4704098
X20
16
Pin
I.C.
Socket
2100037
R34
470 K, 1 /4W, 5%
4704097
X32
24
Pin
I.C.
Socket
2100034
R35
470 K, 1 /4W, 5%
4704097
X33
24 Pin I.C.
Socket
2100034
R36
360 K, 1 /4W,
5%
4704098
X39 40 Pin
I.C. Socket
2100035
R37
560
K, 1
/4W,
5%
4704099
X71
16
Pin
I.C.
Socket
2100037
R38 470
K, 1 /4W, 5%
4704097
R39 4.7
K,
1 /4W,
5%
4704061
CRYSTALS
R40
4.7
K, 1/4W,
5%
4704061
R41
470
K,
1/4W,
5%
4704097
Y1
10.6445 MHz,
0.004%, Series
Res.
2300004
R42
1.0 Megohm, 1/4W,
5%
4704102
R43
10
K,
1/4W,
5%
4704068
INTEGRATED
CIRCUITS
R44
10 K, 1/4W, 5%
4704068
R45
470 K, 1 /4W,
5%
4704097
Z1
723,
DIP,
Voltage
Regulator
3100001
R46
910 ohm, 1/4W,
5%
4704046
Z2
723,
DIP,
Voltage
Regulator
3100001
R47
10 K, 1/4W, 5%
4704068
Z4
LM3900,
Dual
Input
Norton
Amp.
3100002
R48
4.7
K, 1/4W, 5%
4704061
Z5
74C00
CMOS,
Quad
2-lnput
R49
4.7
K,
1/4W,
5%
4704061
NANDGate
3102026
R50 4.7
K, 1/4W, 5%
4704061
Z6
74C04CMOS,
Hex
Inverter
3102027
R51 4.7
K, 1/4W, 5%
4704061
Z7
74LS74,
Dual
D
Positive-Edge-Triggered
R52
910 Ohm, 1/4W,
5%
4704046
Flip-Flop
with Preset
and Clear
3102015
R53
1.2 K, 1/4W, 5%
4704049
Z8 Z4LS1
53,
Dual
4-Line
to
1-Line
Data
R54 7.5
K, 1/4W, 5%
4704066
Selector/Multiplexer
3102019
R55 7.5
K,
1/4W,
5%
4704066
Z9
74LS04, Hex
Inverter
3102008
R56
220
K, 1 /4W, 5%
4704092
Z10
74LS166,
8-Bit
Parallel
In/Serial
Out
R57
4.7
K, 1/4W, 5%
4704061
Shift Register
3102021
R58
4.7
K,
1/4W,
5%
4704061
Z11
74LS166,
8-Bit Parallel
In/Serial
Out
R59
4.7
K, 1/4W, 5%
4704061
Shift Register
3102021
R60
4.7
K,
1/4W,
5%
4704061
Z12
74LS93, Divide
by
8 Binary Counter
R61 4.7
K, 1/4W, 5%
4704061
Selector/Multiplexer
3102017
R62
4.7
K,
1/4W,
5% 4704061
Z21
74LS156,
Dual 2-Line
to
4-Line Decoder/
R63
4.7
K,
1/4W, 5%
4704061
Demultiplexer
3102028
R64
330 ohm, 1/4W,
5%
4704036
Z22
74LS367, TRI-STATE
Hex
Buffer
3102024
R65
10 K,
1/4W,
5%
4704068
Z23
74LS32,
Quad 2-lnput
OR Gate
3102014
R66 4.7
K, 1/4W, 5%
4704061
Z24
74LS132,
Quad
2-lnput NAND
Gate
3102018
R67
100 ohm, 1/4W,
5% 4704025
Z25
74LS32,
Quad
2-lnput OR
Gate
3102014
This Part
Number is
shown
in the Level
II (BASIC II)
Kit
(26-1120) and will
be
installed
in the "G"
level Board
at
31
time
of manufacture.

Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English