BBK LEM1992, Service Manual, Page: 30 / 34

The burn-in test will be performed at least 2 hours at 40 centigrade degrees
When the operation is compling with this specification, the switching power
supply s MTBF will be 50,000 hours at 25 centigrade degrees.
The switching power supply can withstand the following environmental conditions:
ISSUED DATE:
REV: (A1)
PAGE NO. :
14.1 Burn-in
under full load condition.
14.2 MTBF
15.0 SAFETY
13.0 EMI / EMC
Relative Humidity: 10% ~ 95%
Relative Humidity: 10%~95%
12.1 Storage Temperature:-20
к
~ +70
к
12.2 Operation
14.0 RELIABILITY AND QUALITY CONTROL
Temperature:0°C~40°C
12.0 ENVIRONMENTAL CONDITIONS
PART NO. :
MODEL NO. : HK-X242-A12
2012.05.07
HON-KWANG ELECTRIC (SHEN ZHEN)CO.,LTD.
ስ߷ႝᐒ)ుӥ*Ԗज़Ϧљ
http://www.honkwang.com
4 OF 9
HKSC-120224
DESCRIPTION : I.T.E. POWER SUPPLY
The switching power supply has approved by the following safety standards:
The switching power supply has approved by the following standards: