Color Quality; Misconvergence - Acer 7277e Service Manual

Note 4
Byte 1 bit
7
6
5
4
3
2
1
0
Byte 2 bit
7
6
5
4
3
2
1
0
Byte 3 bit
7
6
5
4
3
2
1
0

1.4.2 Color Quality

1.4.2.1 Misconvergence

Use "crosshatch" white pattern, then set the brightness control at weight number is 50 & contrast
control max to examine the convergence.
requirements stated as follows:
1-14
Established Timings 1
640*400 @ 70Hz (720x400)
720*400 @ 88Hz
640*480 @ 60Hz
640*480 @ 67Hz
640*480 @ 72Hz
640*480 @ 75Hz
800*600 @ 56Hz
800*600 @ 60Hz
Established Timings II
800*600 @ 72Hz
800*600 @ 75Hz
832*624 @ 75Hz
1024*768 @ 87Hz (interlaced)
1024*768 @ 60Hz
1024*768 @ 70Hz
1024*768 @ 75HZ
1280*1024 @ 75HZ
Manufacturer's Timings
1152*870 @ 75Hz
640*480 @ 85HZ
800*600 @ 85HZ
1024*768 @ 85HZ
1280*1024 @ 85HZ
1600*1200 @ 75HZ
1600*1200 @ 85HZ
Flag
+
A
310mm
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No Copy/Reproduction Allowed
Source
(VGA, IBM)
(XGA2, IBM)
(VGA, IBM)
(Mac II, Apple)
(VESA)
(VESA)
(VESA)
(VESA)
(VESA)
(VESA)
(Mac II, Apple)
(IBM)
(VESA)
(VESA)
(VESA)
(VESA)
Manufacturer's Specified Timing
(Mac II, Apple)
If set = 1,then bits 6 - 1 (inclusive)
should be interpreted as Manufacture
Timings as EDID
Ver 1 Rev 0.
The misconvergence must strictly meet the
Center <= 0.15mm
230mm
A : <= 0.30mm
B : <= 0.40mm
B
7277e Monitor Service Guide