Electrostatic Discharge Requirements; Emc; Reliability - BenQ G2420HD Product Service Manual

Benq g2420hd 24’ lcd monitor
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(2) Unpackaged Vibration
(3) Drop
(4) Shock
3.1.3.6

Electrostatic Discharge Requirements

Item
Electrostatic Discharge
3.1.3.7

EMC

Item
TCO03
EMI
3.1.3.8

Reliability

Item
MTBF Prediction
CCFL Life time
Note-4: CCFL lifetime is determined as the time at which brightness of lamp is 50%. The typical
lifetime of CCFL is on the condition at 7.0mA lamp current.
Unpackaged, Non-
Operating
Package, Non-Operating
Wooden package, Non-
Operating
Condition
IEC801-2 standard
Condition
Electric
Magnetic
FCC part 15J class B
EN55022 class B
Condition
Refer to MIL-217F
At 25±2℃, under 7.0mA
- 13 -
(3) Procedure:
Confirmed sample with
appearance and function
ready
before testing then
compare with after test
record as brightness,
uniformity and contrast
ratio. Perform random
vibration after sine-wave
vibration test.
Test Spectrum:
20 Hz 0.0185(g2/Hz)
200Hz 0.0185(g2/Hz)
Duration : 5 Minutes
Axis : 3 axis
( Horizontal and Vertical
axis ,Z axis)
91 cm Height (MP stage)
(1 corner, 3 edges, 6
faces)
Waveform: half sine
Faces:
6
sides/
orientation
3 shocks.
Duration: <3ms
Velocity accelerate: 75g
Spec
Contact: 8KV
Air: 15KV
Spec
Band 1 < 10 V/m
Band 2 < 1 V/m
Band 1 < 200nT
Band 2 < 25nT
After Mass production
under 1dBuv for constant
measure. Besides DNSF
and VCCI class-2 are
optional.
Spec
> 60,000 Hours
40,000 Hours (min)
per
OK NA Remark
OK NA Remark
OK NA Remark
Excluding
CCFL
See Note-4

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