AL1702 Service Guide
Page 5
..., the R terminal of this current multiplied by C805. Power Board Block Diagram Line Filter Rec. & Filter Power Transformer Outpur Rec. & Filter PWM Driver FB Page 3 It can maintain output voltages +22V and +12V at pin 6 of C801, T801, C802, C803, C804. R802 is an NTC...off immediately. 1.7.5 SCP : If output terminal is turned on pin 4 of photo coupler I802 and adjustable regulator I803. I804 is over 1 volt. AL1702 1) Circuit Description 1. So the output voltage +5V will be turn off immediately. I801 starts to oscillate and outputs a pulse train through pin 6...
..., the R terminal of this current multiplied by C805. Power Board Block Diagram Line Filter Rec. & Filter Power Transformer Outpur Rec. & Filter PWM Driver FB Page 3 It can maintain output voltages +22V and +12V at pin 6 of C801, T801, C802, C803, C804. R802 is an NTC...off immediately. 1.7.5 SCP : If output terminal is turned on pin 4 of photo coupler I802 and adjustable regulator I803. I804 is over 1 volt. AL1702 1) Circuit Description 1. So the output voltage +5V will be turn off immediately. I801 starts to oscillate and outputs a pulse train through pin 6...
AL1702 Service Guide
Page 6
...and perform a wide dimming control for I101 power supply. 2.2 Control IC: I101 (OZ960S) 2.2.1 Enable : When pin 3 of lamp current. AL1702 2. Adjusting the overlap conduction between I102 P-MOSFET and I103 N-MOSFET, I101 N-MOSFET and I103 P-MOSFET, the CCFL current regulation is satisfied. The... provides higher operating frequency for negative feedback and regulation. The non-inverting reference (pin 10 of I101) is latch function. 2.4 2.4.1 Output drivers: The configuration prevents any shoot-through both pin1 and pin 2 of I101) output and shuts off . 2.2.2 OSC: When I101 enabled, ...
...and perform a wide dimming control for I101 power supply. 2.2 Control IC: I101 (OZ960S) 2.2.1 Enable : When pin 3 of lamp current. AL1702 2. Adjusting the overlap conduction between I102 P-MOSFET and I103 N-MOSFET, I101 N-MOSFET and I103 P-MOSFET, the CCFL current regulation is satisfied. The... provides higher operating frequency for negative feedback and regulation. The non-inverting reference (pin 10 of I101) is latch function. 2.4 2.4.1 Output drivers: The configuration prevents any shoot-through both pin1 and pin 2 of I101) output and shuts off . 2.2.2 OSC: When I101 enabled, ...