Testing; Environment; Tests - Westinghouse LTV-27w2 Service Manual

3. Testing

3.1. Environment

Test Condition
30 Minutes
Viewing Distance
Input Characteristics
Input voltage range.
Input frequency range
Power board output voltage
Input current
Inrush current
Operating Temperature
Operating Relative Humidity
Storage Temperature
Storage Relative Humidity
Operating Altitude
Storage Altitude
Test Fixture & Equipment
Video Generator
Pattern Generator

3.2 Tests

Component 1&2, AV 1&2, S-Video, TV Function & Function Key test
YPbPr & Composite AV port & S-Video Port Toggle Test
Connect a YPbPr video signal to the Component port, and a composite video signal
to the AV port, and a S-Video Signal Source to the S-Video port. Using the OSD,
toggle through all the sources, and confirm that an image is displayed.
RF Signal Test
NTSC Cable Test. (Standard cable 125 Channel)
NTSC Air Test. (Antenna 69 Channel)
With a RF cable connected, a picture should be displayed.
27" & 32" COLOR LCD TV DISPLAY
Warm-Up
1m
90Vac to 264Vac.
50 or 60Hz ± 3Hz.
24V, 12V, 5VC, 5VSB +/-5%
50/60 Hz (auto switch), 0.8A/1.8A
< 50A @ 115VAC, < 100A (MAX) @230VAC.
0° C to + 35° C (32° F to + 95° F)
10% to 90% (no condensation)
-20° C to + 60° C (-4° F to + 140° F)
10% to 95% (no condensation)
0 meters to +3,000 meters
0 meters to +12,000 meters
CHROMA & VCD/DVD/VCR/GAME/DVHS PLAYER
CHROMA2225/VG828/VG848/VG858
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