
15
7. POWER BOARD
A. Description
There are three kind of circuits in this power board-AC/AC, inverter and audio
B. Electrical characteristics
B-1 FOR HANNSTAR PANEL
MIN.
TYP.
MAX.
COMMENT
INPUT VOLTAGE
11.4V
12V
13.8V
INPUT CURRENT
--------
1A
1.2A
Vin=12V MAX.
BRIGHTNESS
BACKLIGHT VOLTAGE
684Vrms
760V rms.
--------
LAMP CURRENT
3mA rms.
6mA rms.
7mArms
DRIVING FREQUENCY
40KHz
55KHz
80KHz
EFFICIENCY
--------
75%
--------
Vin = 12V
Operating Life Time
40,000
------- -------- Hours
(note)
Note:
Life time(Hr) can be defined as the time in which it continues to operate under the
condition:
Ta=25
±
3
°
C, I
L
=6.0mA
B-2 For AU panel
MIN.
TYP.
MAX.
COMMENT
INPUT VOLTAGE
11.4V
12V
13.8V
INPUT CURRENT
--------
1A
1.2A
Vin=12V MAX.
BRIGHTNESS
BACKLIGHT VOLTAGE
630V rms.
690Vrms
LAMP CURRENT
3mA rms.
6.5mA rms.
8mArms
DRIVING FREQUENCY
40KHz
55KHz
60KHz
EFFICIENCY
--------
75%
--------
Vin = 12V
Operating Life Time
30,000
------- -------- Hours
(note)
Note:
Life time(Hr) can be defined as the time in which it continues to operate under the
condition:
Ta=25
±
3
°
C, I
L
=8.0mA
Содержание AL511
Страница 11: ...11 F 2 ...
Страница 20: ...20 10 TROUBLESHOOTING A Main Procedure ...
Страница 21: ...21 A 1 Power Circuit Troubleshooting ...
Страница 22: ...22 A 2 Backlights Troubleshooting ...
Страница 23: ...23 A 3 Performance Troubleshooting ...
Страница 24: ...24 A 4 Function Troubleshooting ...