NEC PlasmaSync PX-42VM1G Service Manual page 90

Multimedia monitor
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METHOD OF ADJUSTMENTS
EDID data writing for the PC3 (DV1) input
7-6. Data writing
(1) Short-circuit the section between TP7003 and TP7004. (For writing ready)
(2) Using a writing jig, enter inputs of clock (DDC CLOCK) from Pin 6 of the RGB3 input terminal (M7201)
and data (DDC DATA) from Pin 7 according to the specified writing sequence, and write the data of
Table 5-2 in IC7201.
7-7. DDC2B check
(1) Using a reading jig, take outputs of clock (DDC CLOCK) from Pin 6 of the RGB3 input terminal
(M7201) and data (DDC DATA) from Pin 7 according to the specified reading sequence, and confirm
that the data of Table 7-2 are output from Pin 7 .
(2) Remove the short-circuit condition from the section between TP7003 and TP7004.
0
00
00
10
06
20
17
30
01
40
68
50
0F
60
78
70
00
8. End setting and confirmation
Remove the short-circuit condition from the section between TP9701 and TP9702.
5-12
Table 7-2 EDID Data
1
2
3
4
5
FF FF FF FF
FF FF
0A
01
02
88
5C
42
4E AF CE 00
01
01
01
01
01
00
98
06
32
00
60
62
00
B3
06
18
50
0B
00
0A
50
58
2D
34
32
6
7
8
9
A
00
38
A3
77
34
78
28
00
E5 A0 5A
81
80
4B C0
01
2F 0D
50
F0
30
00
18
D6
09
80
22
00
00
1E
00
20
20
20
20
20
56
4D
31
0A
20
B
C
D
E
F
A4
00
00
00
00
27 BA
25
01
01
01
01
01
E0
25
10
10
70
A0
20
E0 2D
10
00
00 FD
00
32
20
00
00
00 FC
20
20
20
00
14

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