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the
controls covered by the operating instructions. Improper adjustment of this equipment
using controls not covered in the user manual may result in damage to the product that may
require extensive work by qualified technicians to rectify.
• The television or cabinet is damaged.
• The television shows a change in performance that indicates a need for servicing.
18. When replacement parts are used, ensure that the technician uses only parts recommended
by the manufacturer. Unauthorised replacement parts may cause a fire or electric shock.
19. After servicing, ensure that the technician performs routine safety checks to determine
whether the television is in a safe operating condition.
20. When moving this equipment, care should be taken to prevent damage due to dropping,
falling or impact.
Introduction
This service manual covers the LCD TV and is intended for the use of qualified service
engineers only. Service and repair of this product by unqualified persons may result in
permanent damage to the product or personal injury and should not be attempted.
This manual includes:
A block diagram of the LCD TV
An explanation of theory of operation
An explanation of the service mode to enable you to adjust the internal settings
A step by step guide to assembly and disassembly of the product
A complete parts list for the product
An exploded diagram of the product
Pictures of the printed circuit boards
ViewSonic Corporation
3
Confidential - Do Not Copy
N4261w-1M
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