Table Of Contents - Casio CE-7000 Service Manual

CE-7000
1. SPECIFICATIONS........................................................................................ 1
2. INITIALIZE (MAC) OPERATION .................................................................. 4
3. F-INIT (FMAC) OPERATION ....................................................................... 4
4. BLOCK DIAGRAM ....................................................................................... 5
5. TO OPEN THE UPPER CASE ..................................................................... 7
6. CIRCUIT EXPLANATION ............................................................................ 9
6-1. Power supply circuit .................................................................................................. 9
6-2. Reset and power down circuit ................................................................................. 10
6-3. CPU description ........................................................................................................ 11
6-4. Momory chip selection circuit ................................................................................. 13
6-5. Flash ROM1 address circuit .................................................................................... 14
6-6. Flash ROM2 circuit ................................................................................................... 14
6-7. Flash Pack circuit (Memory Cassette RAC-9) ........................................................ 15
6-8. Memory map ............................................................................................................. 16
6-9. Printer drive circuit ................................................................................................... 17
6-10. RS232C port COM1 circuit ...................................................................................... 17
6-11. RS232C port COM2 and COM3 circuit ................................................................... 18
6-12. Keyboard selection switch ..................................................................................... 19
6-13. To mount optional circuit ....................................................................................... 19
1) Clerk key circuit ........................................................................................................ 19
2) Multi-drawer circuit .................................................................................................. 21
3) Paper near end sensor circuit ................................................................................. 22
6-14. Display controller uPD78015FGC526-AB8 ............................................................ 23
6-15. Segment display driver uPD16312GB-3B4 ............................................................ 24
6-16. DC/DC convertor circuit .......................................................................................... 25
6-17. ARCNET circuit (IO-PB14) ...................................................................................... 25
7. DIAGNOSTIC OPERATION ....................................................................... 31
7-1. To start the diagnostic program ............................................................................. 31
7-2. Check item ................................................................................................................ 31
7-3. Operation of each test .............................................................................................. 31
7-4. Switch status test ..................................................................................................... 32
7-5. Individual function test ............................................................................................ 33
7-6. To exit the diagnostic mode .................................................................................... 49
8. ERROR CODE LIST................................................................................... 50
9. IC DATA ..................................................................................................... 53
10. PCB LAYOUT ............................................................................................ 67
11. CIRCUIT DIAGRAM ................................................................................... 69
12. PARTS LIST ............................................................................................... 92
CONTENTS
Page