Zenith Z-100 PC series Service Manual page 300

Page
5.5
Parts List
CIRCUIT CIRCUIT
REFERENCE ZDS REFERENCE ZDS
DESIGNATOR
PART NO. DESCRIPTION
DESIGNATOR PART NO. DESCRIPTION
Integrated Circuits (continued)
U341
HE-443-799 Quad 2-input multiplexer U348
HE-443-885
Transceiver
HE-434-299 16-pin socket
HE-434-368
20-pin socket
U342 HE-443-799
Quad 2-input multiplexer U349
HE-443-1234 Hex inverting buffer
HE-434-299 16-pin socket
HE-434-299
16-pin socket
U343 HE-443-732 8-input NAND gate
U350
HE-443-795
Receiver RS232
HE-434-298 14-pin socket
HE-434-298
14-pin socket
U344 HE-443-1196
Hex driver
HE-434-298 14-pin socket
U351 HE-443-794
EIAdriver
U345
HE-443-791 Buffer/driver, three-state
HE-434-298
14-pin socket
HE-434-311 2O-pin socket
U352 HE-443-798
Dual4-input NAND gate
HE-434-298 14-pin socket
U346
HE-443-875 Quad 2-input OR gate U353
HE-443-1072
Quad positive OR gate
HE-434-298 14-pin latch
HE-434-298
14-pin socket
U347 HE-443-795 Receiver RS232
HE-434-298 14-pin socket