Power Board; Description; Electrical Characteristics - Hitachi CML154XW Service Manual

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
INPUT VOLTAGE
INPUT CURRENT
BACKLIGHT VOLTAGE
LAMP CURRENT
DRIVING FREQUENCY
EFFICIENCY
Operating Life Time
Note:
Life time(Hr) can be defined as the time in which it continues to operate under the
condition:
Ta=25±3°C, I
B-2 For AU panel
INPUT VOLTAGE
INPUT CURRENT
BACKLIGHT VOLTAGE
LAMP CURRENT
DRIVING FREQUENCY
EFFICIENCY
Operating Life Time
Note:
Life time(Hr) can be defined as the time in which it continues to operate under the
condition:
Ta=25±3°C, I
MIN.
11.4V
--------
684Vrms
3mA rms.
40KHz
--------
40,000
=6.0mA
L
MIN.
11.4V
--------
3mA rms.
40KHz
--------
30,000
=8.0mA
L
TYP. MAX.
12V 13.8V
1A 1.2A
760V rms. --------
6mA rms. 7mArms
55KHz 80KHz
75% --------
------- --------
TYP. MAX.
12V 13.8V
1A 1.2A
630V rms. 690Vrms
6.5mA rms. 8mArms
55KHz 60KHz
75% --------
------- --------
19
COMMENT
Vin=12V MAX.
BRIGHTNESS
Vin = 12V
Hours (note)
COMMENT
Vin=12V MAX.
BRIGHTNESS
Vin = 12V
Hours (note)