Dell 1815dn Service Manual - Page 31
Output Control Signal BIAS-PWM : the CPU is HV output when PWM is low .
UPC - 000061100008
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System Outline Charge Voltage (MHV) Input Voltage : 24 V DC 15% Output Voltage : -1.2KV ~ -1.8KV DC 3% Output Voltage Rising Time : 50 ms Max Output Voltage Falling Time : 50 ms Max Output Control Signal(MHV-PWM) : CPU is HV output when PWM is Low Cleaning Voltage (THV-) The (+) Transfer Voltage is not outputted because the THV PWM is controlled with high. The (-) Transfer Voltage is outputted because the THV-Enable Signal is controlled with low The output fluctuation range is big because there is no Feedback control. Developing Voltage (DEV) Input Voltage : 24 V DC 15% Output Voltage: -200V ~ -600V DC 3% Output Voltage Fluctuation Method : PWM Control Line Regulation : under 3% (fluctuation input 21.6V ~ 27.6V) Load Regulation : Under 3% Output Voltage Rising Time : 50 ms Max Output Voltage Falling Time : 50 ms Max Output Control Signal (BIAS-PWM) : the CPU output is HV output when PWM is low . Supply Output Voltage : -300V ~ -800V DC 5% (ZENER using, DEV ) Line Regulation : under 3% (fluctuation input 21.6V ~ 27.6V) Load Regulation : Under 3% Output Voltage Rising Time : 50 ms Max Output Voltage Falling Time : 50 ms Max Output Control Signal (BIAS-PWM) : the CPU is HV output when PWM is low . Service Manual 4-13