Reliability Requirements; White Balance - Philips C500 Service Manual

Relative Humidity 10% to 90%
Altitude
2.12.3 Storage of shipment
Temperature -20°C to + 60°C
Relative Humidity 10% to 90%
Altitude
2.12.4
TEST PROCEDURUE:
• Put in temperature chamber under 60°C
• Back to room temperature
• Put in temperature chamber under -20°C
• Back to room temperature
• The process repeat 2 times.

2.13 Reliability Requirements

2.13.1 Mean Time Before Failure ( MTBF )
30,000 hours with 90% confidence level.(CRT less)
2.13.2 Reference Document
MIL-STD-105D
MIL-HDBK-217E
2.13.3 Electro-Static Discharge ( ESD )
Contact discharge:
Apply 6KV,the set must be auto-recovery
Apply 4KV,the display pattern doesn't appear noise
Air discharge:
Apply 8KV,be disallow components damage or EEPROM data loss
Apply 6KV,the display pattern does not appear noise.

2.14 White Balance

Set the external BRIGHTNESS at the point that raster just cut off, adjust CONTRAST over the range
from 5F-L to 20F-L, or reversed, with full-intensity reverse pattern, the color coordinate, measured by
MINOLTA TV-COLOR ANALYZER-II (TV-2130), shall be within the limitation listed below:
Sea level to 8,000ft
Sea level to 40,000ft
x=0.283 0.03
y=0.297 0.03
Time: 24 hours
Time: 4 hours
Time: 24 hours
Time: 4 hours
(At 5 F-L and 20 F-L)
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