EB-S01/W01/X14G/S11/X11/S02/S02H/X02/W02/S12/S12H/X12/W12/X14 EH-TW480
Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 105 Revision C
2. Ground continuity check
Testing apparatus
Multimeter (with sensitivity down to 0.1 Ω)
Standard/Judgment level
Should be no resistance (0.5 Ω or less)
Testing procedure
1. Turn on the power switch.
2. Set the range selection switch to Ω.
3. Connect the black lead wire to the COM terminal.
4. Connect the red lead wire to the V/Ω/Hz terminal.
5. Check that the resistance at (1) in the diagram below is 0.5 Ω or less.
Figure 3-41.
3. Illumination check
• Test conditions: Input a PC or video signal to the LCP and check the
illumination for about 5 minutes.
• Judgment : The projector should operate normally without smoke
or fire.
Display
DC/AC, SW
Range selection switch
Terminals
V, Ω, Hz
COM
Power supply lines
Exposed metal part of projector
PC connector
Projector AC inlet
(1)
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