Iiyama AS3921U, Руководство по обслуживанию

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2. SET-UP ADJUSTMENTS
The following adjustments should be made when a complete realignment is required or a new PWB is installed.
<Required measuring equipment>
Signal generator (Programmable video generator)............. Leader 1610A
Headphones
CD player
Audio-LR confirmation equipment
USB compliant computer
Short-connector for LCD (Iiyama handmade)
B
0.51
4.44
C
0.51
2.22
<Preparation>
Connect the signal cable from the signal generator to the monitor.
Adjustment data is automatically saved in the memory when the on screen display disappears. 1.
2.
Note: This monitor should be checked and adjusted by connecting it to a signal generator, then entering
and running the timing charts below.
R
18.113
17.779
Q
0.000
0.259
O
18.150
18.150
D
34.75
29.63
S
0.000
0.001
P
0.037
0.111
E
1.27
0.75
Vertical (msec)
Horizontal (µsec)
A
37.04
37.04
V
N
P
Sync polarity
H
N
P
Resolution
1032×489
640×480
Comp
–
–
Sync
on
green
–
–
fH
(kHz)
27.000
27.000
ADJUSTMENT MODE
There are two different modes available to adjust the monitor as described below. The adjustments with ‘
G
’ in front
of the title are only available under Factory Mode. You can perform the other adjustments by either User or Factory
Mode. Please change the mode as required.
USER MODE:
Turn ON the Power Switch and you are in the User Mode.
FACTORY MODE:
Turn OFF the Power Switch and short between pins 1 and 4 of Connector F on the PWB-MAIN with a short-
connector. Turn ON the Power Switch and you are in the Factory Mode. Turn OFF the Power Switch and remove
the short-connector from Connector F to exit.