Summary of Contents for TRS-80
Page 3: ...3 SECTION I SYSTEM DESCRIPTION...
Page 5: ...5 SYSTEM BLOCK DIAGRAM...
Page 7: ...7 SECTION II SPECIFICATIONS...
Page 9: ...9 SECTION III DISASSEMBLY REASSEMBLY...
Page 11: ...11 SECTION IV THEORY OF OPERATION...
Page 21: ...21 SECTION V TROUBLESHOOTING...
Page 25: ...25 SECTION VI PARTS LIST...
Page 30: ...30 SECTION VII PRINTED CIRCUIT BOARDS...
Page 31: ...31 MAIN P C B TOP VIEW...
Page 32: ...32 BOTTOM VIEW...
Page 33: ...33 SECTION VIII IC INTERNAL CONNECTIONS...
Page 34: ...34 IC INTERNAL CONNECTIONS U1 MC6803G Motorola or HD6803P Hitachi...
Page 35: ...35 U11 MC6847P Motorola...
Page 36: ...36 U2 SN74LS373N Motorola or MB74LS373M Fujitsu U7 SN74LS245N Motorola or MB74LS245M Fujitsu...
Page 43: ...43 SECTION IX SCHEMATlC DlAGRAM SECTION X EXPLODED VlEW...