NEC MultiSync LCD1525VA, Руководство по обслуживанию

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5-1
INSPECTION
1. Inspection of PLUG & PLAY communication
1.1 A construction of System
This system should be connected as shown below.
P C
R G B H V
P rin te r C a b le
S ig n a l G e n e ra to r
F ix tu re
P o w o r C a b le
S ig n a l C a b le
＊ ＊ ＊ ＊
T E S T P R O G R A M
P A R T N o . 5 9 9 9 1 0 4 0 8
Pro g ram Dis k
M o n ito r
1.2 Starting method
1) Input Signal
Input signal must be separate sync. Two kinds of signals must be prepared.
One is the signal which vertical synchronization frequency is 42Hz, and another is the signal that vertical
synchronization frequency is between 55Hz and 25kHz.
Horizontal synchronization frequency should be set to reasonable value(example 31.5kHz).
2) Power ON procedure
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First, put the floppy disk for PnP Inspection into PC and turn on PC.
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Turn on Fixture.
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Make sure that fixture’s LED blinks on and off.
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Turn on signal generator and monitor.
3) Starting PC Software
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Inspection of PnP communication
To check the PnP communication, EDID file name is LCD1525V.
Type “P LCD1525V” to DOS command line and press return key.
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Writing EDID to EEPROM and inspection of PnP communication
To write EDID to EEPROM and check the PnP communication of LCD1525V, type “WP LCD1525V” on
DOS command line and press return key.