HP Enterprise CP5525 manual Low-voltage power supply, SW1

Models: Enterprise CP5525

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Low-voltage power supply

 

 

 

 

 

 

 

The low-voltage power supply (LVPS) converts AC input voltage to DC voltage.

 

 

 

Figure 1-8

Low-voltage power supply

 

 

 

 

 

 

 

 

 

 

 

 

Power switch

 

 

 

 

 

 

 

 

 

SW1

 

 

Formatter

Low-voltage power supply

 

 

 

 

 

 

 

FU101

Noise filter

 

+3.3V generation

Remote switch

+3.3V

 

 

 

 

 

 

 

 

Rectifying circuit

 

circuit

control circuit

 

 

 

FU102

 

 

RL101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Protection

 

 

 

 

 

 

 

 

 

 

circuit

 

 

 

 

 

RL102

 

 

 

 

 

 

 

 

 

RL103

 

 

 

 

+24V generation

+5V generation

 

 

 

 

 

 

 

 

circuit

circuit

 

 

 

 

Noise filter

 

 

Zerocross

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fuser heater

 

 

circuit

 

 

 

 

 

 

control circuit

 

 

 

 

 

 

 

 

 

Fuser

RLD2

RLD1

REMOTEON

ZEROX

+24V

 

+5V

PWRON

SWON/OFF

+3.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC controller

 

 

 

 

 

 

 

 

 

 

 

SW2

+24R

 

SW4

+5R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+24V

 

 

 

 

 

 

 

 

 

 

Interlock switch

 

 

SW3

 

 

 

 

 

 

 

 

 

 

+5V

 

 

 

 

 

 

 

 

 

Interlock switch

The product uses three DC voltages: 24V, 5V, and 3.3V. The voltages are subdivided as follows:

+24V

Supplied constantly

 

Stopped during Sleep mode

 

 

+24R

Interrupted when the front or right door is opened

 

 

ENWW

Engine-control system 19

Page 43
Image 43
HP Enterprise CP5525 manual Low-voltage power supply, SW1