TroubleshootingSymptom Charts/Video - 16

 

Video

Pixel is always white

PowerBook 180c: In general, no display should be replaced

or always black

because of subpixel irregularities. If the number of

 

irregularities on a display appears excessive, contact Apple for

 

more information.

 

Note: Each pixel on an active-matrix color display consists of

 

three subpixels (red, green, and blue). In turn, each subpixel

 

has a transistor that controls light transmission. A PowerBook

 

180c display, therefore, contains a total of 921,000 transistors

 

(640 x 480 x 3). Due to technology constraints, subpixel

 

transistor irregularities (red, green, blue, black, and white) are

 

allowed in this display.

 

PowerBook 165c: replace display.

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Apple 180C manual Video