Service manual

10
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
Input voltage
Vin
10.8 12 13.2 V
Input current Iin 2250 2500 mA FOR 4 LOAD
Output Current Iout 6.0 6.5 7.0 mA FOR 1 LOAD
Frequency
F 50.0
55.0 60.0 KHZ
FOR 1 LOAD
H.V open
Vopen
1450 1600 1750 Vrms NO LOAD
H.V Load
Vload
710 810 910 Vrms
RL=120KΩ
Start voltage Vst
1650 1750 1850 Vrms RL=CCFL
Protect delay time PDT
0.4 1 4 Sec

INVERTERMINBRINGTHNESS(Vadj:0.0v),LOAD=120KΩX4
(ROOMTEMPERATURE25℃ ±4℃)
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
input voltage
Vin
10.8 12 13.2 V
input current Iin 660 750 mA FOR 4 LOAD
Output Current Iout 3.0 3.5 4.0 mA FOR 1 LOAD
Frequency
F 50.0
55.0 60.0 KHZ
FOR 1 LOAD
H.V open
Vopen
1450 1600 1750 Vrms NO LOAD
Start voltage Vst
1650 1750 1850 Vrms RL=CCFL
H.V Load
Vload
350 450 550 Vrms
RL=120KΩ
5-2 SPECIAL FUNCTION with PRESS-KEY
press Menu button during 2 seconds along with plug-in the AC Power cord:
That operation will set the monitor into “Factory- mode”, in Factory mode we can do the White balance adjustment
with RS232 , and view the Backlight counter (this counter is use to record the panel activate hours ,for convenient
the maintainer to check the panel backlight life time)
In Factory mode, OSD-screen will locate in left top of screen.
Press POWER-button off to on once will quit from factory mode and back to user-mode.
OSD-INDEX EXPLANATION
1. CABLE NOT CONNECTED: Signal-cable not connected.
2. INPUT NOT SUPPORT:
a. INPUT frequency out of range: H > 63kHz, v > 75Hz or H < 28kHz, v < 55Hz