22
2.7.6
Power Connector
All units shall have an IEC/CEE-22 type male power receptacle.
2.7.7
Inverter & DC/DC Board (VP-903)
1. Fujustu /FLC48SXC8V-10 (Condition:Ta=25 )
℃
No. Item
Sym
Condition
Min
Typ.
Max.
Unit
1
Input Voltage
Vin
11.4
12
12.6
V
2
Lamp Voltage
VLamp
Vin=12V,ILAMP= 7.5mA
-
750
-
Vrms
3
Luminance Bmax
Center of screen, 7mA for
each lamp.
250 -
cd/m^2
4
Brightness
adjustable range
Minimum Luminance
÷
Maximum Luminance
- 60 -
%
5
Working Frequency
Fo
40
50
60
KHz
6
Lamp Current
ILAMP
4
7.4
7.9
mA
ON Normal
Operation
1.5
3.3
V
7
Backlight ON/OFF
Control
OFF
Shutdown (Lamp off)
0
1.0
V
8
Brightness control
range(positive
adjustment)
0 - 3.3
V
9
Lamp Current Balance
IL1-IL2
+/-0.5
mA
10
Open Lamp Volt.
Vopen
Vin=12V, 0degC
1600
-
--
Vrms
11
Efficiency -
Vin=12V,maximum
brightness
75
-
-
%
12
Strike Lamp time
Ts
Vin=12V, ON/OFF=0V
40
60
80
ms
13
Delay Time for Open
Lamp Protection
/each lamp
Topen
Vin=12V, each lamp is
disconnected
-- 1000
ms
14
Audible Noise
30mm upon the part
-
-
34
dBm
Содержание AL1931
Страница 27: ...26 3 3 BLOCK DIAGRAM ...
Страница 34: ...33 5 TROUBLESHOOTING 5 1 Main Procedure ...
Страница 35: ...34 5 1 1 Power Circuit Troubleshooting ...
Страница 36: ...35 5 1 2 Backlights Troubleshooting ...
Страница 37: ...36 5 1 3 Performance Troubleshooting ...
Страница 38: ...37 5 1 4 Function Troubleshooting ...
Страница 44: ...43 WAVESHAPE ...
Страница 50: ...49 APPENDIX A PARTS LISTS ...
Страница 51: ...50 A FRU Board A 1 454AA030001 PCBA Key Board VK 903 ...
Страница 52: ...51 A 2 461AA030001 Firmware CTRL Board VL 903 ...
Страница 53: ...52 A 3 455AA030001 PCBA D D INV Board Vp 903 ...
Страница 54: ...53 Appendix B DISPLAY Assembly ...
Страница 55: ...54 ...
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Страница 60: ...60 Appendix C PCBA Assembly ...
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