7.2 Power Board
AC input |
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| EMI filter |
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| Rectifier |
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| and Filter |
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| Start Circuit: R904, R905,R906 | |||||
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| PWM Control |
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| IC LD7576 |
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Transformer
Rectifier diodes
Feedback Circuit
CN902
5V
16V
ON/OFF
Lamp
Output
Circuit
Feedback Circuit
Transformer
Over Voltage
MOSFET
PWM Control
ON/OFF Control
DIM
34