奇
菱
光電股份有限公司
Chi Lin Optronics Corp.
Doc. No
CS-72601
Version A3
Title
CHT-726 Level 1 Service Manual
Page
5 / 75
1. Purpose
The purpose of this manual is for the reference of authorized technician while proceeding level 1
service for the product mentioned in this manual.
2. Definition of service level
Considering the service capability and the equipments of each service station may be different and the
raising on service efficiency, service works have been concluded to 3 levels and defined by Customer
Service Dept. (CS hereafter).
The definition of “level 1 service” is defined based on service efficiency and effectiveness
considerations. Level 1 service means modules replacement for projector. The concrete composition of
level 1 modules (parts) will be mentioned in item 4.4 Composition of level 1 modules (parts). Level 1
service can be perform in a smoke and dust free environment and with limited equipments like
computer and DVD Player.
“Level 2 service” is defined as service on the PCBA. The technician who performs “level 2 service”
should be knowledgeable on electricity system, except safety checks. Electronic equipment, such as
AC/DC power source, oscilloscope, and other test equipments, are needed for performing level 2
service.
“Level 3 service” is defined as service on the optical engine, but fans and lamp replacement. The
service work on the optical engine should be performed in clear room.
3. Specification
Please refer to CLO released HD2+ DC3 DLP Front Projector Approval Sheet.
