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A |
| B | C | D |
| E |
Main Board Circuit Diagram:POWER FLOW |
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1
2
3
4
Power Board
+12V
M5V
| 5V | VFD |
| Switch | |
<50mA | +P12V |
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| Switch |
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| VIDEO OUTPUT |
| MPEG Board | OPU |
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| AUDIO AMP CIRCURT |
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| Digital DVCC33 |
| 3.3V | RF +3.3V |
| Internal AD +3.3V | |
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| 1.2V | Video DAC +3.3V |
| Internal DA +3.3V | |
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| Motor Driver | Anolog_VCC3 |
| USB_V33 | |
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| MUTE CIRCUIT | SDRAM +3.3V |
| USB | Serial FLASH +3.3V |
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| IR |
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| STANDBY LED |
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| RESET CIRCUIT |
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| VCC1.2 |
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| USB_V12 |
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2
3
4
A
B
C
D
E