Epson EB-S01 Service Manual page 105

EB-S01/W01/X14G/S11/X11/S02/S02H/X02/W02/S12/S12H/X12/W12/X14 EH-TW480
2. Ground continuity check
Testing apparatus
Multimeter (with sensitivity down to 0.1 Ω)
COM
Standard/Judgment level
Should be no resistance (0.5 Ω or less)
SEIKO EPSON
Disassembly and Assembly
Display
DC/AC, SW
Range selection switch
Terminals
V, Ω, Hz
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.
(1)
Exposed metal part of projector
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.
105
CONFIDENTIAL
Power supply lines
Projector AC inlet
PC connector
Figure 3-41.
Revision C