Zenith H-100 - Page 96

PARTS LIST
CIRCUIT DESCRIPTION
Compo No.
HEATH
Part No.
CIRCUIT DESCRIPTION
Compo No.
HEATH
Part No.
CIRCUIT DESCRIPTION
Compo No.
HEATH
Part No.
U1
I
I-'
(Xl
o
CALIBRATION CIRCUIT BOARD
DISK
CONTROLLER CIRCUIT
BOARD
( CONTI NU ED)
INTEGRATED CIRCUITS
OTHER CIRCUIT CCflPONENTS
PSI 7805 5V regul ator
HE 442-54
Dl
lN4148 diode HE 56-84
PS2
78M12 +12V regulator
HE 442-663
D2
lN4148 diode HE 56-84
PS3
1Jl317 +adj regulator
HE 442-708 D3
lN4148 diode HE 56-84
1:61
8-seotion slide sWitoh
HE 60-621
Ul WD1691
HE 443-998
Ql
TIS74
transistor HE 417-246
U2
none
Q2 HPS2369 transistor HE 417-937
U3
2143-01
HE 443-1000
Q3 HPS2369 transistor
HE 417-937
U4 74LS74 HE 443-730
U5
74LS624
HE 443-999
U6 74LS 132 HE 443-792
CONNECTORS - SOCKETS
U7
74LS33 HE 443-1063'
U8 7417 HE 443-72
I-pin oonneotor HE 423-121
U9
74LS241
HE 443-824
8-pin inline IC socket HE 434-230
14-pin IC sooket HE 434-298
Ul0 745240
HE 443-753
16-pin IC sooket
HE 434-299
Ul1
7417 HE 443-72
18-pin IC sooket HE 434-310
U12 74LS74
HE 443-730
20-pin IC' socket
HE 434-311
U13
74LS125
HE 443-811
40-pin IC sooket HE 434-253
U14 74LS74
HE 443-730
P2
34-pin right-angle
HE 432-1053
U15 96LS02 HE 443-1040
oonneotor
U16 96LS02 HE 443-1040
PI
50-pin right-angle
HE 432-1197
U17 74LS 138 HE 443-877 oonneotor
U18 4.000 MHz oao111ator
HE 150-132
U19 74LS175 HE 443-752
I
HARD/ARE
U20 74LS74
HE 443-730
U21
74LS32
HE 443-875
'4 lookwasher HE 254-9
U22 FD1797B02 HE 443-997
4-40 nut HE 252-2
U23
74LS20
HE 443-798
4-40 x 5/16" sorew HE 250-213
U24
74LS 138 HE 443-877
U25
74LS27 HE 443-800
U26 74S74
HE 443-900
Un 74LSOO
HE 443-728 MISCELLANEOUS
U28 74LS02 HE 443-779 .
U29
74LS688
HE 443-971 Heat sink
HE 215-669
U30
74LS273
HE 443-805
H-207 manual HE 595-2909
U31
74LS365A
HE 443-1039
PC board
HE 85-2757-2
U32
7417
HE 443-72
S11ioone grease
HE 352-13
U33
74LS244
HE 443-791
S-100 oirouit board
HE 266-1203
U34
74LS244
HE 443-791
extraotor
U35
74LS374
HE 443-863
Wire, solid HE 340-8
U36
74LS244
HE 443-191
Wire, white solid
HE 344-59
R501
R502
C501
DL501
0501
U501
U502
10 k11ol'l1l 1/4 watt, 51
330 ohm 1/4 watt, 51
.1 uF oeramio
Delay line
Alligator olip insulator
PC board
Alligator olip
Wire, blaok stranded
Wire, red stranded
Wire, white stranded
LST5053 LED
l-pin sooket
14-p1n IC sooket
74LSOO
14LS14
HE 6-103-12
HE 6-331-12
HE 21-162
HE 41-10
HE 73-34
HE 85-2800-1
HE 260-16
HE 344-90
HE 344-92
HE 344-94
HE 412-640
HE 432-120
HE 434-298
HE 443-728
HE 443-730