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| 6.2.1. |
| AC220V | POWER SUPPLY |
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| OPERATION PANEL |
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| General | ||||
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| REG |
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| SELE | LCD |
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| Block | |
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| +24V |
| +5V |
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| CTOR | SENSOR |
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| KEY MATRIX |
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| Diagram | |||
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| DIGITAL BOARD |
| ANALOG BOARD |
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| +24V |
| +5V |
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| +24V | ANA |
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| RLY |
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| +5V |
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| LINE | |||||
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| 3.3V |
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| LOG |
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| MOS SW | REG | SRAM | ROM |
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| SW |
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| 256k | 1M |
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| THERMAL | 5V | RESET |
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| CODEC | ANA |
| BELL | PC |
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| TEL |
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| LOG |
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99 |
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| SW |
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| PRINTER |
| OSC | CPU | OP PANEL |
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| I/O | CONTROL | I/F | I/F | VOL |
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| CIS |
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| ASIC |
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| HOOK |
| HOOK SW |
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| ROM |
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| MODEM |
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| PAPER | PAPER |
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| A/D |
| IMAGE |
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| MOTOR I/F |
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| PROCESSING | RTC |
| SP MUTE |
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| SP |
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| AMP |
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| SENSOR | MOTOR |
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| SPEAKER | HANDSET |
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