ViewSonic E70F Service Manual - Page 18

Fluctuation Range, Nominal Line -30, Nominal Line-100, Nominal Line -15%/ -15, Applied Voltage

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3. ELECTRONIC DISCHARGE (E.S.D). 3.1 AIR DISCHARGE: 15KV: NO UNRECOVERABLE DAMAGE IS ALLOWED. 3.2 CONTROL DISCHARGE: 9KV: NO UNRECOVERABLE DAMAGE IS ALLOWED. 4. ARCING TEST. A DIRECT PATH TO THE EXTERNAL AQUADAG GROUND FOR CRT ARCING CURRENTS SHALL BE PROVIDEED THROUGH SPARK GAPS OR ALTERNATE DEVICE SUCH THAT NO DAMAGE OCCURS TO THE CRT OR THE MONITOR CIRCUITRY. 5. POWER LINE DISTURDANCE (P.L.D). THE UNIT SHALL NOT COMPONENTS FAILURES OR FUNCTION ERROR UNDER THE FOOLOWING CONDITIONS. TEST#1 FLUCTUATION RANGE NOMINAL LINE -30% NOMINAL LINE-100% FLUCTUATION TIEM 3 CYCLES 1 CYCLES INTERVAL 100 CYCLES 100 CYCLES TEST PERIOD 5 CYCLES 5 CYCLES TEST#2 FLUCTUATION RANGE FLUCTUATION TIEM INTERVAL TEST PERIOD NOMINAL LINE -15%/ -15% 1 MINUTE 1 MINUTE 10 MINUTES. NO. SIGN OF FAULTS OR MALFUNCTIONS SHALL BE OBSERVED UNDER THE ABOVE TEST CONDITIONS. 5.1 AC LINE NOISE TEST. THE TEST EVALUATES THE OPERATION OF THE AGAINST AC LINE VOLTAGE. 5.1.1 TEST EQUIPMENT A. AC LINE NOISE SIMULATOR (INS-410). B. ISOLATIOTNRANSFORMER. 5.1.2 TEST METHOD. APPLIED VOLTAGE PULSE WIDTH APPLIED PHASE APPLIED TIME + 1KV 50ns, 100ns, 400ns, 800ns 0 360 VIBRABLE 1 MINUTE NO SIGN OFF FAULTS OR MALFUNCTIONS SHALL BE OBSERVED. 6. RELIABILITY THE MEAN TIME BETWEEN FAILURE (MTBF) WILL BE GREATER THAN 20000 HOURS WHEN OPERATION A TEMPERATURE OF 25OC CALCUTION SHALL BE PER MIL-HDBK-217F WITH GROUND BEGIN. 7. BURN-IN A> AC LINE: 110V/ 60HZ OR 230V / 50HZ. B> TEMPERATURE: 25 + 5OC. C> BRUN-IN TIME: 24 HOURS. ViewSonic Corporation Confidential - Do Not Copy E70f+SB-3 15

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3.
ELECTRONIC DISCHARGE (E.S.D).
3.1
AIR DISCHARGE:
15KV: NO UNRECOVERABLE DAMAGE IS ALLOWED.
3.2
CONTROL DISCHARGE:
9KV: NO UNRECOVERABLE DAMAGE IS ALLOWED.
4.
ARCING TEST.
A DIRECT PATH TO THE EXTERNAL AQUADAG GROUND FOR CRT ARCING CURRENTS SHALL BE PROVIDEED THROUGH
SPARK GAPS OR ALTERNATE DEVICE SUCH THAT NO DAMAGE OCCURS TO THE CRT OR THE MONITOR CIRCUITRY.
5.
POWER LINE DISTURDANCE (P.L.D).
THE UNIT SHALL NOT COMPONENTS FAILURES OR FUNCTION ERROR UNDER THE FOOLOWING CONDITIONS.
TEST#1
FLUCTUATION RANGE
NOMINAL LINE –30%
NOMINAL LINE-100%
FLUCTUATION TIEM
3 CYCLES
1 CYCLES
INTERVAL
100 CYCLES
100 CYCLES
TEST PERIOD
5 CYCLES
5 CYCLES
TEST#2
FLUCTUATION RANGE
NOMINAL LINE –15%/ -15%
FLUCTUATION TIEM
1 MINUTE
INTERVAL
1 MINUTE
TEST PERIOD
10 MINUTES.
NO. SIGN OF FAULTS OR MALFUNCTIONS SHALL BE OBSERVED UNDER THE ABOVE TEST CONDITIONS.
5.1
AC LINE NOISE TEST.
THE TEST EVALUATES THE OPERATION OF THE AGAINST AC LINE VOLTAGE.
5.1.1
TEST EQUIPMENT
A.
AC LINE NOISE SIMULATOR (INS-410).
B.
ISOLATION
TRANSFORMER.
5.1.2 TEST METHOD.
APPLIED VOLTAGE
+ 1KV
PULSE WIDTH
50ns, 100ns, 400ns, 800ns
APPLIED PHASE
0
360 VIBRABLE
APPLIED TIME
1
MINUTE
NO SIGN OFF FAULTS OR MALFUNCTIONS SHALL BE OBSERVED.
6. RELIABILITY
THE MEAN TIME BETWEEN FAILURE (MTBF) WILL BE GREATER THAN 20000 HOURS WHEN OPERATION A
TEMPERATURE OF 25
O
C CALCUTION SHALL BE PER MIL-HDBK-217F WITH GROUND BEGIN.
7.
BURN-IN
A>
AC LINE: 110V/ 60HZ OR 230V / 50HZ.
B> TEMPERATURE: 25 +
5
O
C.
C>
BRUN-IN TIME: 24 HOURS.
15
ViewSonic Corporation
Co
nfidential - Do Not Copy
70f+SB-3
E