Casio PCR-260B - Service Manual; Default Chapter; Table of Contents

CONTENTS
PCR260B Page
1. SPECIFICATIONS........................................................................................ 1
2. INITIALIZE (MAC) OPERATION.................................................................. 2
3. BLOCK DIAGRAM....................................................................................... 3
3-1. PCB CONNECTION ..................................................................................................... 3
3-2. BLOCK DIAGRAM....................................................................................................... 4
4. DISASSEMBLY............................................................................................ 5
5. CIRCUIT EXPLANATION ............................................................................ 8
5-1. Power supply circuit .................................................................................................. 8
5-2. Reset circuit ................................................................................................................ 9
5-4. Printer drive circuit................................................................................................... 10
5-5. Pin description (CPU uPD78044FGF) ..................................................................... 10
6. DIAGNOSTIC OPERATIONS .................................................................... 12
6-1. To start the diagnostic operation............................................................................ 12
6-2. Check items .............................................................................................................. 12
6-3. Operations................................................................................................................. 13
7. ERROR CODE LIST................................................................................... 16
7-1. Operation error code ................................................................................................ 16
8. IC DATA ..................................................................................................... 17
9. PCB LAYOUT ............................................................................................ 18
10. CIRCUIT DIAGRAM ................................................................................... 19
11. PARTS LIST............................................................................................... 25