BenQ V37X, Product Service Manual, Page: 18 / 192

18
BenQ's LCD TV Product of Reliability Design Guide
Date :
25-04-2006 Rev. 1
No Reliability BenQ (Rev.0) BenQ (Rev.1) C3 C4 C5 ORT
Criteria inspection :
The performance and function shall be
normality.
6 Condensati
on Test
Test condition :
1. To put set without packing and
non-operating into chamber at -20
℃
for 4
hrs min.
2. Then move DUT back to room ambient 25
℃
, stay 0.5 hrs for recovery.
3. To turn on/off 20 times each time interval
at least 5 minutes at moisture condensing
condition.
Criteria inspection :
1. During or after test which kind of Arcing,
Fire, Smoking or Leakage was not allowed.
2. Should be no permanent failure happed.
3. Any abnormal happened, should be
recoverable after 4hrs condensing
disappeared.
Same as Ver.0 2 2 2 2
7 Power
Cycling
Test
Test condition :
1. DUT go power cycling test with diagnostic
pattern under 40±5
℃
.
2. Total 300 cycles, each power cycle consists
of step as On: 5 minutes and Off : 1
minutes.
Criteria inspection :
After test could be power on and normal
operation.
Same as Ver.0 2 2 2 2
8 Cold Start
Test
Test condition :
1. AC 90 ~264V, 47~63 Hz.
2. 0
℃
and 40
℃
95% 4hrs min. at
non-operating
Criteria inspection :
The products should be powered on and
operated normally at specified lowest and
Test condition :
1. AC 90 ~264V, 47~63 Hz.
2. 0
℃
and 40
℃
90% 4hrs min. at
non-operating
Criteria inspection :
The products should be powered
on and operated normally at
2 3 3 2