This document describes the warranty terms for all ViewSonic LCD products in Israel.
ViewSonic® Limited Warranty
For Nepal only.
ViewSonic provides customers with the security of a manufacturers warranty against defected products. The type and duration of the applicable warranty service varies by product type and can also vary on an individual basis according to customer requirements agreed at time of purchase.
What the warranty covers:
ViewSonic warrants its products to be free from defects in material and workmanship during the warranty period. If a product proves to be defective in material or workmanship during the warranty period, ViewSonic will, at its sole option, repair or replace the product with a similar product. Replacement Product or parts may include remanufactured or refurbished parts or components. ViewSonic provides no warranty for the third-party software included with the product or installed by the customer and does not warrant that software will meet customer’s requirements or that operation of software will be uninterrupted or error free.
Warranty types:
Return-to-Base Service, repair or replace the defective unit at the service centre. User has to carry-in the unit to service center on his/her cost.
How long the warranty is effective:
ViewSonic LCD display products are warranted for 24 months from date of purchase/ 27 months from month of manufacture whichever is earlier, ”Carry-in" service on parts and labour.
Who the warranty protects:
The warranty stated above will be provided in accordance to the country of warranty request and is valid only for the first consumer purchaser from the date of original purchase (Proof-of-Purchase = Invoice).
What the warranty does not cover:
How to get service:
Limitation of implied warranties:
THERE ARE NO WARRANTIES, EXPRESS OR IMPLIED, WHICH EXTEND BEYOND THE DESCRIPTION CONTAINED HEREIN INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Exclusion of damages:
VIEWSONIC'S LIABILITY IS LIMITED TO THE COST OF REPAIR OR REPLACEMENT OF THE PRODUCT. VIEWSONIC SHALL NOT BE LIABLE FOR:
This article has detail description on how ViewSonic defines LCD pixel criteria for warranty of LCD flat-panel displays.
ViewSonic is committed to customer satisfaction by providing the highest quality products in the industry. The result is that our LCD displays generally have very few non-performing pixels. For example, an 18" SXGA (1280 x 1024) display has nearly 4 million sub-pixels. A product exhibiting 7 non-performing pixels would equate to an extremely small 0.00018 percent of the total sub-pixels.
(1280 Horizontal Pixels) * (1024 Vertical Pixels) * (3 sub-pixels per pixel) = 3,932,160 sub-pixels
[(7 non-performing pixels) / (3,932,160 sub-pixels)] * 100% = 0.00018%
To ensure the highest performing displays, ViewSonic sets limits as to the allowable number of pixel anomalies. ViewSonic has adopted the following pixel criteria to supplement our existing limited warranty. This policy applies to all ViewSonic LCD displays during the warranty period for Nepal.
PIXEL CRITERIA
It is possible that any replacement display may also have some non-performing pixels. This should be considered when requesting a warranty exchange.
Explanation
A pixel or picture element, is composed of three sub-pixels in the primary colors of red, green, and blue. At each pixel position in an AMLCD (active matrix liquid crystal display) flat screen monitor, three cells of liquid crystal material form the red, green and blue sub-pixels that together allow the full range of colors to be displayed. Individual transistors are arranged in an array on the rear glass to control each sub-pixel. An anomaly on any one of these individual transistors will cause a bright or dark pixel to appear. These anomalies generally occur only during manufacturing, and additional bright or dark pixels should not appear over time.
[** image pixelcriteria.gif **]
The allowable number of non-performing pixels has a direct impact on the yield of the process. If the industry attempted to set a zero standard, the current manufacturing yield would be so low that the cost of an LCD display would be many times higher than it is today. Luckily, most customers and applications are tolerant of a low level of non-performing pixels and prefer the lower cost that the existing standards allow.