Daewoo HL711D, Service Manual

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HL711S/HL711D Service Manual
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INVERTER & POWER
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Inverter & POWER(HL711S/HL711D)
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L.I.P.S : LCD INVERTER POWER SYSTEM(FLF1742-04A)
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Specification
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Operate 4 CCFL Lamps.
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Current Feedback Control
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Input Voltage : DC 12V.
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When any lamp doesn’t operate, the panel is under protection status.
Protection status means that circuit protect the other lamp.
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PWM Control.
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Remote Power On/Off control
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High Efficiency
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Electrical Characteristics
Description Min Typ Max Sign Remark
Input Voltage 11.0 12.0 13.0 Vin
Input Current 1.5 1.7 1.9 A 12Vdc
Output Current 5.0 6.0 7.0 mArms 1ccfl current
Lamp Frequency 40 47 55 kHz
Normal Operation ON
Vin=12V
ON/OFF=5V
ON/OFF Control
Shunt-down(Lamp off) OFF
Vin=12V
ON/OFF=0V
Kick-Off
Voltage
MORE THAN 1100 Vrms Kick-Off