Samsung SCX-5315F Service Manual

Also see for SCX-5115: Product guide User guide Service manual

Contents

Circuit DescriptionSamsung Electronics 3-373-8 SMPS (Switching Mode Power Supply) Unit.3-8-1 SMPS SpecificationsThe SMPS (Switching Mode Power Supply) Unit used here is a PWM (Pulse Width Modulation) type powersupply unit that supplies DC+5V to controller and control panel, and DC+5V, DC+24V and DC+12V to theengine. It also supplies AC power to fixer heat lamp.No. Output Channel Ch.1 Ch.2 Ch.31 Channel Name +5.1V +24.0V +12.0V2 Rated Output Voltage +5.1V +24.0V +12.0V3 Rate Output Current 2A 2.5A 0.8A4 Maximum Load Currentand Load Pattern2.5A Continued 3.0A Continued 0.8A Continued5 Load Change Range 0.5~2.0A 0.1~0.3A 0.1~0.8A6 Rate output voltage(For rated I/O)+5.1V±5%(+4.84~+5.35V)+24.0V±10%(+21.60~+26.40V)+12V±5%(+11.40~+12.60V)71) Total Output VoltageDeviation(Input, Load, Temp., Aging)2) Dynamic Input Change3) Dynamic Load ChangeIncluding All+5.1V±5%(+4.84~+5.35V)Including Set ErrorIncluding All+24.0V±10%(+21.60~+26.40V)Including Set ErrorIncluding All+12V±5%(+11.40~+12.60V)Including Set Error8 Refer to ripple & noise 27 150mVp-p or less 500mVp-p or less 200mVp-p or less9Refer to load short andoverload protection 23Refer to load short andoverload protection 23Must not ignite orgenerate smokewhen output shortedfor 5 sec.Output voltage mustshutdown withingthe range of3.5A~6.5AMust not ignite orgenerate smokewhen output shortedfor 5 sec.