Circuit Diagram - Casio TK-6500 Service Manual

11. CIRCUIT DIAGRAM

CONTENTS
1. LOCATION OF PRINTED CIRCUIT BOARD................................................................... 64
2. MAIN PCB CIRCUIT ........................................................................................................ 66
2-1. MAIN PCB CIRCUIT (1/6) ........................................................................................ 66
2-2. MAIN PCB CIRCUIT (2/6) ........................................................................................ 67
2-3. MAIN PCB CIRCUIT (3/6) ........................................................................................ 68
2-4. MAIN PCB CIRCUIT (4/6) ........................................................................................ 69
2-5. MAIN PCB CIRCUIT (5/6) ........................................................................................ 70
2-6. MAIN PCB CIRCUIT (6/6) ........................................................................................ 71
3. LED DISPLAY (MAIN DISPLAY)...................................................................................... 72
3-1. LED DISPLAY CIRCUIT (1/4) ...................................................................................72
3-2. LED DISPLAY CIRCUIT (2/4) .................................................................................. 73
3-3. LED DISPLAY CIRCUIT (3/4) .................................................................................. 74
4. KEYBOARD...................................................................................................................... 75
5. CLERK SWITCH CIRCUIT (Expect Germany)................................................................. 76
6. ARCNET INLINE (I/O PB-14 OPTION).............................................................................77
7. MEMORY CASSETTE (RAC-9 OPTION).........................................................................78
8. POWER SUPPLY CIRCUIT..............................................................................................79
9. POP-UP DISPLAY (LED)................................................................................................ 80
10. CONNECTOR BOARD (COM2 ).................................................................................... 81
11. MODE SWITCH.............................................................................................................. 82
12. CLERK KEY CIRCUIT (Germany).................................................................................. 83
MODEL : TK-6500
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(EX-577A*)