Radio Shack Telephone Interface II 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 Telephone Interface II Specifications

General

Brand	Radio Shack
Model	Telephone Interface II
Category	Desktop
Language	English