Low-voltage power-supply PCA The low-voltage power supply converts AC power into the DC voltage that product components use. Figure 1-6 Low-voltage power-supply PCA The following table shows the specifications for the DC power supply.
Table 1-4 Low voltage power supply DC power specifications DC voltage Behavior +24V +24VB Off during Sleep mode (sleep level1, active off and inactive off) +24VC Off during Sleep mode (sleep level1, active off and inactive off) Interrupted when the left door open +24VD Off during Sleep mode (sleep level1, active off and inactive off) Interrupted when the left door or the cartridge door open 10 Chapter 1 Theory of operation ENWW C input Low-voltage power supply High-voltage power supply DC controller Interlock High-voltage Power fuse circuit switch FU1 SW2 +24VD Fuser circuit Power fuse FU2 Zerocross /ZEROX detection circuit Power fuse Power switch FU3 Rectifying +3.3VA circuit +3.3V +3.3VA +3.3VA generation circuit +3.3VC +3.3VD Protection +5V +24VC circuit +24V +5V /PSTYP100 generation generation +24VC circuit circuit +24VB +24VB RMT 24V _ Interlock RMT PFC switch _ SW1 Connector PCA +3.3VA +3.3VB +3.3VA Formatter +5V +3.3VB +3.3VA +3.3VC +3.3VD Interlock switch SW1 Re c ctify ircui ing t RMT PFC _ Prot ci ection rcuit