EH-TW3500/4500/5500
Troubleshooting
CONFIDENTIAL
SEIKO EPSON
17
Revision A
2.1 Required Tools
The following tools and equipment will be required in order to carry out
troubleshooting, and so you should check that they are on hand.
2.2 Troubleshooting Procedure
This chapter describes troubleshooting procedure starting from error messages/status to
diagnose problems. Refer to the descriptions and remedies below to specify the
troubled part, and carry out the necessary repair or replacement.
Figure 2-1. Troubleshooting Workflow
In this chapter, the models are categorized into two group
according to the mechanical differences, and named generally as
shown in
“ 1.1 About Model Names (p10)”
Name
Qt.
Application/Other
Projection screen
1
To project image on
Host computer
1
To output audio and video data to the projector
(To check the component video input)
PC cable
1
Video equipment
1
To output audio and video data to the projector
(To check the HDMI, composite video, S-Video input)
Audio and Video cables
(HDMI/Composite/S-
Video, and each audio)
1
each
Multi meter
1
To measure resistance values and voltages (AC/DC)
Double-sided tape
q.s.
To secure parts
General tools
1set
Tools given in
Problem diagnosis and troubleshooting
Specify the troubled part from LED indications
(Error Codes) or observed error status.
Repair/replace parts/units
Carry out remedies for the troubled parts such as
repair or cleaning.
Reassembly, operation check and Safety check*
*In the case that a safety device
is repaired or
maintained.
Finish
Start
External Check
Check the parts to be repaired visually if
necessary.
Summary of Contents for DREAMIO EH-TW2900
Page 1: ...EH TW2900 3500 4400 4500 5500 Multimedia Projector SERVICE MANUAL CONFIDENTIAL ...
Page 9: ...CONFIDENTIAL C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 16: ...CONFIDENTIAL C H A P T E R 2 TROUBLESHOOTING ...
Page 46: ...CONFIDENTIAL C H A P T E R 3 DISASSEMBLYANDASSEMBLY ...
