Akai LCT2765TD, Service Manual

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MEGMEET
MEGMEET ELECTRICAL TECHNOLOGY CO., LTD.
DESCRIPTION:
SPECIFICATION
THESE SPECIFICATION ARE THE PROPERTY OF MEGMEET ELECTRICAL TECHNOLOGY CO., LTD
AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SELL
OF APPARATUSES OR DEVICES WITHOUT PERMISSION.
Model No.:
MLT186
DATE PREPARED CHECKED APPROVED REV:
09-12-2005
QIU ZHANGZHI TONY YANG
Document No.:
MLT186-1.0 1.0
9.
Power Supply mounting
1. Power Supply Overview:
1.1 Table 1 Input Electrical Characteristics Overview
Input voltage range 90Vac to 264Vac
Normal voltage range 100Vac to 240Vac
Frequency range 50Hz/60Hz±5%
Max input ac current 3.5Amax at full load condition
Inrush current (cold start) 50Atyp peak, 120Vac; 100Atyp peak, 220Vac
Efficiency(full load) 84%min at 90Vac; 87%min at 220Vac
Harmonic current Meet GB17625.1-1998/IEC61000-3-2 class D
Leakage Current Less Than 0.75mA, 230Vac input
Standby Power Loss ≦0.8W, 265Vac input
Input Fuse T5A/250Vac
1.2 Output Electrical Characteristics Overview
1.2.1 Table 2 Output Voltage ,Current & Regulation.
Output Voltage
Regulation
Min. current
Rated current
Peak current
+V1(+24V)
±
3% 0.3A 5A 6A*
+V2(+24V)
±8%
0 1A 1.5A
+V3(+12V)
±
3% 0.2A 1.5A 2A*
+5V
±5%
0.1A 6A 6A
+5.1VSB
±
3% 0.01A 1A 1A
Note:* pulse width within 100ms
1.2.2 Table 3 DC Output Ripple & Noise.
Output Voltage Ripple & Noise (Max.)
+V1/V2(+24V)
240mVp-p@25
℃;
350mVp-p@-10
℃
+V3(+12V)
120mVp-p@25
℃;
200mVp-p@-10
℃
+5V 60mVp-p@25
℃;
200mVp-p@-10
℃
+5.1VSB
60mVp-p@25
℃;
200mVp-p@-10
℃; 150mVpp when STB
Note: 1) Measurements shall be made with an oscilloscope with 20MHz bandwidth.
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