Radio Shack TRS-80 III User Manual

DISK CONTROLLER BOARD
PARTS
liST (Cont'd)
MANUFACTURER'S
RADIO SHACK
SYMBOL
DESCR IPTION
PART NUMBER
PART NUMBER
INDUCTORS
Ll
390t.th
841-9003
ACA8058
L2
390t.th
841-9003
ACA8058
L3
6
80
t.th
841-9004
ACA8057
INTEGRATED CIRCUITS
3A
MC1733
805-0733 AMX4326
4A NE592A
805-0592 AMX3688'
2B
7406, Buffer and Interface gate
801-0406
AMX3675
3B 74LS20, Positive NAND gate 802-0020 AMX3555
4B 74LS20, Positive NAND gate 802-0020 AMX3555
5B MSM311 EL Precision Comparator 805-3011
AMX4327
2C 75463, Dual Peripheral Positive OR 805-0463
AMX4329
Driver
3C 74123, Retriggerable 800-0123
AMX3955
Monostable Multivibrator
4C
74LS74, Flip-Flop
802-0074
AMX3558
5C 74LS74, Flip-Flop
802-0074
AMX3558
3D 74LS04, Positive NAND gate
802-0004
AMX3552
40
75462, Dual Peripheral Positive
805-0462
AMX4321
NAND Driver
50
74LS86, Quadruple 2-input
802-0086
AMX3701
Exclusive 0 R
gate
lE
*DIP Shunt, 16-pin
848-9001
AL0907
2E
74LS14, Schmitt-Trigger Positive
802-0014
AMX3716
NAND
gate
3E 7407, Buffer and Interface gate
801-0407
AMX3684
4E
75462, Dual Peripheral Positive
805-0462
AMX4321
NAND Driver
5E 74LS221 , Dual Monostable Multi-
802-0221
AMX3810
vibrator
wi Schmitt-Trigger inputs
lF
7438, Buffer and Interface Gate
8000038'
AMX-3683
2F
8-Resistor Network
829-0007
ARX0181
4F
7438, Buffer
and Interface Gate
8000038 AMX-3683
RESISTORS
R1
8.2K,%W,5%
820-7282
AN0271
EEC
R2
8.2K, %W, 5%
820-7282
AN0271
EEC
R3
8.2K, %W, 5%
820-7282
AN0271
EEC
R4
27K, %W, 5%
820-7327
AN0316EEC
R5 27K, %W, 5%
820-7327
AN0316EEC
R6 3.6K, %W,5%
820-7236
AN0235BEC
R7 1K,%W,5%
820-7210
AN0196EEC
t
t
t
~
R12
lK,%W,5%
820-7210
AN0196EEC
R13
1.2K,
%W, 5%
820-7212
AN0199EEC
R14
150 ohms,
%W, 5%
820-7115
AN0142EEC
R15
Not
Used
R16
lK,%W,5%
820-7210
AN0196EEC
R17
1K, %W,5%
820-7210
AN0196EEC
113

Radio Shack TRS-80 III Specifications

General

Brand	Radio Shack
Model	TRS-80 III
Category	Desktop
Language	English