Samsung Electronics
Service Manual
POWER CORD | FUSER ASS’Y | THERMISTOR | To Controller |
| |||
F.G |
|
| |
| + |
|
|
| + | +24V |
|
|
| + |
|
| + | +5V |
|
| +3.3V |
| |
|
|
| |
|
|
| GND |
|
|
|
|
|
| SMPS Block |
| LSU | |||
|
|
|
|
|
|
| ||
|
|
| Controller Block |
|
|
| PTL | |
|
|
|
|
|
|
|
| |
| MOTOR |
|
|
|
| Crystal | HVPS Block |
|
|
|
|
|
|
|
| ||
MAIN MOTOR |
|
|
|
| 12MHz |
|
| |
DRIVER |
|
|
|
|
|
| ||
|
|
|
|
| MHVPWM |
| ||
|
|
|
|
|
|
|
| |
|
|
|
| SPGPm |
|
| MHV |
|
|
|
|
| Main Clock |
|
|
| |
|
|
| ARM946ES | Freq. |
|
| ||
|
|
|
|
| OPC GND |
| ||
|
|
|
|
| Spread |
| ||
|
| Power On |
|
|
|
| ||
| VOLTAGE | SDRAM |
|
|
| FAN | ||
|
| Reset |
|
| SUPPLY | |||
DETECTOR |
| (8MB) |
| EEPROM |
| |||
|
|
|
|
| BLASPWM |
| ||
|
|
|
| FLASH |
|
| DEV |
|
|
|
| Video |
|
|
|
| |
|
|
| MEMORY |
|
| THVPWM |
| |
| Crystal | Freq. | Clock | (2MB) |
|
|
| |
|
|
| THV |
| ||||
| 14.74 MHz | Spread |
|
|
|
|
| PANEL B’D |
|
|
|
|
|
|
|
| |
|
|
|
| Font ROM |
|
| ||
| USB2.0 |
|
| 16MB | +24V | 2 LED | ||
| Net2270 |
|
|
|
|
| ||
|
|
|
|
|
|
|
| |
| IEEE1284 |
|
|
|
| 1KEY | ||
|
|
|
|
|
|
| ||
| Interface |
|
|
|
| |||
|
|
|
|
|
|
9.9Block Diagram 9.1 PCL Model
B LOCK DIAG R A M