Table Of Contents - Casio PCRT275 - Cash Register w/ 15 Depts Service Manual

TE-M80
1. SPECIFICATIONS ........................................................................................ 1
2. MACHINE INTIALIZATION .......................................................................... 3
3. BLOCK DIAGRAM ....................................................................................... 4
4. DISASSEMBLY ............................................................................................ 5
5. CIRCUIT EXPLANATION .......................................................................... 10
5-1. CPU (IC12: uPD784215AGC8038EU) ....................................................................... 10
5-2. Power circuit ............................................................................................................. 14
5-3. Reset circuit .............................................................................................................. 14
5-4. Printer drive circuit ................................................................................................... 15
5-5. Display circuit ........................................................................................................... 15
5-6. Winding motor circuit & Drawer circuit .................................................................. 16
6. DIAGNOSTIC OPERATIONS .................................................................... 17
6-1. Content of the Test .................................................................................................... 17
6-2. Displaying the Key Code ......................................................................................... 17
6-3. Displaying the Switch Condition ............................................................................. 18
6-4. Printing and Display test ......................................................................................... 19
7. TROUBLESHOOTING ............................................................................... 21
8. IC DATA ..................................................................................................... 22
9. CIRCUIT DIAGRAM ................................................................................... 23
10. PARTS LIST ............................................................................................... 28
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