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Hardware Specifications and Configurations
1-39
VRAM (not available in this model)
USB Port
HDMI Port
AC Adapter
Item
Specification
Chipset
Memory size
Interface
Item
Specification
USB compliance level
Universal Serial Bus 2.0
EHCI
2
Number of USB port(s)
3
Location
1 left side, 2 right side
Output Current
1.05V
Item
Specification
Compliance level
HDMI1.3a
Data throughput
Up to 16.7 million colors
Number of HDMI port(s)
1
Location
1 left side
Item
Specification
Input rating
100-240V~1.7A(1,7A) 50-60Hz
Maximum input AC current
264 Vrms
Inrush current
264 Vac (Cold/Hot start) No damage; meet fuse and bridge
diode
I
2
t
de-rating.
Efficiency
Meets EPA 2.0 level V requirement. The adapter efficiency
shall be more than 87%, that is the average value of 25%,
50%, 75% and 100% load with both 115Vac/60Hz and
230Vac/50Hz input voltage condition.
Содержание Aspire 4250
Страница 1: ...Aspire 4250 SERVICEGUIDE ...
Страница 10: ...x ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 33: ...Hardware Specifications and Configurations 1 23 System Block Diagram Figure 1 11 System Block Diagram ...
Страница 56: ...1 46 Hardware Specifications and Configurations ...
Страница 57: ...CHAPTER 2 System Utilities ...
Страница 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Страница 87: ...3 3 LVDS Cable Removal 3 43 LVDS Cable Installation 3 44 ...
Страница 88: ...3 4 ...
Страница 129: ...CHAPTER 4 Troubleshooting ...
Страница 135: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Страница 136: ...4 8 Troubleshooting LCD Picture Failure 0 If the LCD fails perform the following Figure 4 3 LCD Failure ...
Страница 153: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 160: ...5 8 Jumper and Connector Locations ...
Страница 161: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Страница 162: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 20 ...
Страница 181: ...CHAPTER 7 Model Definition and Configuration ...
Страница 182: ...1 2 Acer Aspire 4250 7 1 ...
Страница 186: ...7 4 Model Definition and Configuration ...
Страница 187: ...CHAPTER 8 Test Compatible Components ...
Страница 188: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Страница 197: ...CHAPTER 9 Online Support Information ...
Страница 198: ...9 2 Introduction 9 3 ...
Страница 200: ...9 4 Online Support Information ...