Akai A-211, Руководство по обслуживанию, Страница: 18 / 27

WINDING
Primary Inductance
PIN. NO
2-4
INDUCTANCE
1.5mH 10%
DESCRIPTION
<0.50W
2. ELECTRICAL CHARACTERISTICS
2.1 STATIC CHARACTERISTICS
2.2 WITHSTANDING VOLTAGE
2.3 INSULATION RESISTANCE
2.4 ELECTRICAL CHARACTERISTICS
Main Voltage Operations:
Main Drop-out Voltage:
Mains STart-up Voltage:
Operating Frequency:
90Vac - 265 Vac
Max. 90 Vac
Max. 90 Vac
60 KHz
1. Primary Leakage inductance (Pin 2-4) L1.5mH
The transformer shall sithstanding a voltage of 4 Kvms for 1 minute and 1 mA between
primary and seconday winding and also 2 Kvms for 1 minute and 1 mA between primary
winding with core and secondary winding with core.
The insulation resistance shall be ore than 500M between primary and seconday
windings when the applied voltage 300 Vdc for 1 minute
1. Before taking measurement Pp01 will be to give 5.0Vdc on 5.0Vdc line at Minimum
setting of controls and a mains voltage 220 Vac.
2. Before taking a measurement, DVD set should be working at least 5 minutes on
Normal condition
１８
5.1 SMPS TRANSFORMER
5. DESCRIPTION OF THE INTEGRATED CIRCUITS
1. GENERAL INFORMATION
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