Tandy 2000 Service Manual page 304

Tandy@
Model
2000
Service
ltanual
Parts List -
26-5
I40
B
&
PCB
Assembly
889880I
W
Graphics
Option
Item
Sym
Description Part
Number
u57
u58
u59
u60
u51
u52
u53
u54
u55
u56
u67
u68
u59
u70
IC,
83048, Bus Transceiver
IC,
8 3
048,
Bus Transceiver
IC,
7
4LS 244
, Octa1 Buffer
IC,
7
4LS-244
, Octal Buffer
IC,
7
4L5244
t Octal Buffer
IC,
74LS367
|
Hex
Driver
IC,
74LS154, Shif
t,
Register
IC,
74F74,
Flip
FIop
IC,
7
4F32
,
Quad
z-Input
OR
IC,
7
4I'32
,
Quad
z-Input
OR
IC,
7
4538,
Quad
z-Tnput
NAND
IC,
74Fl39
,
Decoder
IC,
82S15
3
, IFt
Decode
IC,
7
4LSL75,
FIip
F.lop
8060304
8050304
8020244
802
0244
80
2
0244
8020367
8020164
801s074
8015032
80ls032
8010038
8015139
8020175
295