Dell 1815dn Manuel d'utilisateur télécharger pdf (Page 31)

System Outline

Service Manual

4-13

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 .

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Dell 1815dn Manuel d'utilisateur Page 31