Содержание TRS-80 Model 100
Страница 6: ...SECTION I INTRODUCTION...
Страница 7: ...FRONT VIEW 1 1...
Страница 8: ......
Страница 14: ...SECTION II DISASSEMBLY REASSEMBLY...
Страница 17: ...SECTION III PREVENTIVE MAINTENANCE...
Страница 19: ...SECTION IV THEORY OF OPERATION...
Страница 23: ...LSB Address decoding for RAM chip 16 F800H to FFFFH Fig 4 3 Address Decoding for RAM Chip 4 4 u CO...
Страница 37: ......
Страница 54: ...SECTION V TROUBLESHOOTING...
Страница 56: ...TROUBLESHOOTING GUIDE...
Страница 57: ...A...
Страница 58: ...1 Doesn t work at all...
Страница 61: ...5 Clock doesn t function 6 Reset doesn t function...
Страница 62: ...7 Memory protection doesn t function...
Страница 63: ...9 Cassette interface doesn t function 10 B C R interface doesn t function...
Страница 65: ...12 Modem interface doesn t function 13 All functions check ok 5 11...
Страница 67: ...SECTION VI EXPLODED VIEW AND PARTS LIST...
Страница 68: ...6...
Страница 69: ...P 21 EXPLODED VIEW CASE ASSEMBLY Fig 6 2 Bottom View...
Страница 82: ...4 SECTION VU DIAGRAMS...
Страница 83: ...Main P C B Schematic Diagram...
Страница 84: ...LCD P C B Schematic Diagram...
Страница 86: ...MAIN P C B BOTTOM VIEW Fig 7 4 Main P C B Circuit Side 7 4...
Страница 87: ...LCD P C B VIEWS...
Страница 88: ...APPENDIX A INSTALLATION OF OPTIONAL RAMs AND ROM...
Страница 89: ......
Страница 91: ...APPENDIX B CHARACTER CODE TABLE...
Страница 95: ...4 APPENDIX C LSI DESCRIPTION...
Страница 105: ...t INS M t INH HOLD m tHDS tHDH HLDA tHACK Fig C 8 80C85 Interi C...
Страница 108: ...C 13...
Страница 116: ...d Block Diagram OUT ENBL CLK DATA...
Страница 121: ...TTLD...
Страница 122: ...To Telephone Network Fig C 23 MCI4412 Input Output Signals...
Страница 124: ...Addresses CE2 CEi D0UT Fig C 25 TC5518BF 25 Block Diagram Fig C 26 TC5518BF 25 Read Timing Diagram...
Страница 125: ...Write Cycle 1 Write Cycle 2 UNKNOWN Fig C 27 TC5518BF 25 Write Timing Diagram C 30...
Страница 127: ...Fig C 29 LH 535618 Block Diagram Fig C 30 LH 535618 Timing Diagram...