Main Board Section; Section ---------------------------------------------------- 107 6.18. Main Board Section - Panasonic KX MC6020 - Color Laser - All-in-One Service Manual

KX-MC6020HX

6.18. Main Board Section

6.18.1. Main Unit Power Supply Circuit Block Diagram
DC-DC and regulator generate desired voltage from low voltage power supply of 7V. (Refer to the block diagram shown below.)
1. Power supply diagram
2. Power ON sequence
Power ON/OFF sequence is controlled by the sequencer. (Refer to the diagram shown below.)
Type of power supply and its application
Type
1.2V SOC(IC300) Core power supply
1.5V ASIC(IC600) Core power supply
2.5V DDR(IC400,401,960), LAN PHY(IC451) power supply
3.3V IC buffer (SOC,ASIC) power supply, Flash ROM (IC450) power supply, etc (IC302,IC700-703,IC760,IC890)
5VD Analog power supply (Fax,LSU,AFE(IC500) ,etc (IC830,IC831,IC891-893)
5VD2 Panel power supply
1.25VTT DDR (IC400,401) termination power supply
1.25VTT2 DDR (IC960) termination power supply
7VB CIS LED power supply
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