Epson EB-E01 Service Manual page 48

EB-E01 series
Error Status
Black part of image is bluish.
Abnormality can be seen on the projected
image.
TROUBLESHOOTING ON AUDIO INPUT/OUTPUT
Error Status
Sound does not come out.
SEIKO EPSON
Faulty part/part name
Optical engine
MA Board
Optical parts
Faulty part/part name
Audio Input cables
Speaker
IF Board
Troubleshooting
Cause
FPC for L/V (B) is not connected
properly.
FPC for L/V (B) is broken.
MA Board is broken.
Dirt or problems (deterioration,
misalignment, or looseness) of the optical
part(s)
Cause
TH Cable is not connected properly.
TH Cable is broken.
TH Cable is not connected properly.
TH Cable is broken.
Speaker is broken.
Input terminal is broken.
Elements for audio control on IF Board
are broken. (Circuit error)
48
INTERNAL USE ONLY
Remedy
Connect FPC for L/V (B) to MA Board correctly.
Replace Optical Engine.
Replace MA Board.
Replace Optical Engine.
Remedy
Connect the audio input cable correctly.
Replace the broken audio input cable.
Connect TH Cable correctly to MA Board.
Replace Speaker.
If the error continues after carrying out the remedies
above, the related circuit on IF Board is broken, so
replace IF Board.
Reference
P.39
P.113
P.100
P.113
Reference
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P.53
P.105
P.121
P.106
Revision A