Service Manual
AC 110V/220V
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| MAIN | SMPS |
| P_EMP. | MHV |
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| HR(Zener) |
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| SENSOR |
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| SUPPLY | |
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| USB 1.1 | S3C46Q0X |
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| INLET & |
| EXIT | |
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| BACKUP |
| POWER S/W |
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| SENSOR | DEV | |||
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| IEEE1284 | ARM9TDMI | (Batt.) |
| 26P |
| MP EMP. |
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| GEU |
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| +5V/ |
| SENSOR | THV |
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| P1284 | RESET |
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| USB 1.1 |
| +24V |
| FEED | OPC GND | |
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| SENSOR | |||
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LCD(16x2) |
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| ITU |
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| COVER S/W |
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| I/O I/F | FLASH | THERM. |
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| +24VS | HVPS | |||
14P | OPE |
| DMAC | MEMORY |
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| PVC | (2MB) |
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| AC PWR |
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| 6P | UART*2 |
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HT48C50 |
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| 2P |
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| MEMORY I/F | SDRAM |
| 2P |
| FAN | ||
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| 2P |
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LCD/LED DEIVER | P_DET. |
| CACHE(4K) |
| FUSER |
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| OPTION. 16MB |
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| 11P |
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KEY SCAN | SENSOR |
| Image Processor | LD CTL. |
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| LSU | ||
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SENSOR DRIVER | P_SCAN. |
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| 4P | MAIN MOT. |
| SENSOR |
| SCAN | MODEM | MAIN |
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| MOTOR | MOTOR |
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| 3P | MAIN SOL. | |
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| DRIVER | (33.6kbps) | DRIVER |
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5P |
| 14P | (STA471) |
| (A3978SLP) |
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| 2P | MP SOL. |
6P |
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| CIS SIG. |
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| 2P | PTL | |
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| AUDIO PART | MODEM AFE |
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SCAN | CIS | 8P |
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AFE |
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MOTOR | 200dpi,Mono |
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| 2P | DEV. FUSE | |
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| LIU |
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| HOOK |
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| HOOK S/W | 2P | 18P | TRANSFORIVER |
| MODEM & | LINE |
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| 6 00 : 60 0 | EXT. PHONE | ||||
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| 6P |
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| SEPERATING |
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| TX : RX |
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| MODULAR |
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| JACK. | 6P |
| LINE | EXT. PHONE | Ext. PHONE | |
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| INTERFACE | |||
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| Handset |
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| INTERFACE |
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6.1 Block Diagram