IBM L170 Service Manual
12
4.4.4 Parameter guide line for CCFL Inverter
INVERTER
MAX
BRINGTHNESS
(Vadj:5.0v),
LOAD=120K
Ω
X4(ROOM
TEMPERATURE
25
℃
±
4
℃
)
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=120K
Ω
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=120K
Ω
X4(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=120K
Ω
Содержание ThinkVision L170
Страница 13: ...IBM L170 Service Manual 13 ...
Страница 14: ...IBM L170 Service Manual 14 5 Block Diagram 5 1 Monitor Exploded View ...
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Страница 20: ...IBM L170 Service Manual 20 Power Block Diagram ...
Страница 27: ...IBM L170 Service Manual 27 7 PCB Layout 7 1 Main Board ...
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Страница 29: ...IBM L170 Service Manual 29 7 2 Inverter Power Board ...