Service Manual |
| AOCe941Series | |
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| Crystal 12MHz | Panel Interface | |
| (X401) | (CN403/405) | |
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EEPROM | Scalar NT68168FG | ||
(Include ADC, OSD, MCU) | |||
PM25LD020C | |||
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(U402) |
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5V 3.3V 1.8V |
| H sync | |
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| V sync | |
Voltage converter | Key Board | ||
Control | Connector | ||
| (CN401/402) | (CN101) | |
5V |
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5.3 Power Board Block Diagram
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| Power/ Converter Board Block Diagram |
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Fuse | EMI | Rectifier | Smoothing | Transformer | 12V | 12V | |
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| Capacitor | T901 | Rectifier | 12V |
AC input |
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| 5V | 5V | |
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| MOS | Rectifier |
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| Vcc |
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| IC901 |
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| Switching |
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| Vcc |
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| Rectifier |
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Audio in | Amplifier |
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| Sense |
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| resistor |
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| photocoupler | regulating |
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| sampling |
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Power adapter Part |
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12V |
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| Converter |
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| Vout30V |
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CN801 | SET | PWM Control | Switching MOS | CN803 | |||
| IC801 | ||||||
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| TA9690 |
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On/off | DIM |
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| Current Sense |
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LED converter Part |
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| 14 |
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