30
Chapter 1
There are two control signals that come form system to control lamp brightness. One signal is
named DAC_BRIG, which limits current to meet LCD lamp current specification. Another one is
named PWM, which adjusts lamp brightness. This inverter brightness is adjusted by PWM burst
mode. The PWM burst mode is that turning on and off the lamp at rate of 150Hz. The effective
brightness is a function of the duty cycle.
Features
1. Wide range 9V to21V input voltage.
2. Birghtness adjustment by PWM duty mode.
Battery
Item
Specification
Vendor & model name
Sony
Battery Type
Li-ion
Pack capacity
57Wh
Cell voltage
3.7V/cell
Number of battery cell
12
Package configuration
4 cells in series, 3 series in parallel
Package voltage
14.8v
LCD Inverter Specification
This inverter is designed to light up the CCFL of LCD for Aspire 1400 notebook. It should be
supported the following LCD panels.
No.
Supplier
Model
Type
1
LG
LP150x04
TFT, 15.0” XGA
2
Hanstar
HSD150PX11-A
TFT, 15.0” XGA
3
Unipac
UB150XN01
TFT, 15.0” XGA
4
IBM
ITUX97C
TFT, 15.0” UXGA
5
Toshiba
LTM14C506
TFT, 14.1” XGA
6
Unipac
UB141X03
TFT, 14.1” XGA
7
Hanstar
HSD141PX11-B
TFT, 14.1” XGA
8
CPT
CLAA150PA01
TFT, 15.0” SXGA+
9
Hanstar
HSD1509K11-A
TFT, 15.0” SXGA+
10
Sharp
LQ150X1LH63
TFT 15.0” XGA
Summary of Contents for Aspire 1400
Page 6: ...VIII ...
Page 11: ...Chapter 1 5 System Block Diagram ...
Page 13: ...Chapter 1 7 Bottom View ...
Page 57: ...Chapter 2 51 7 Direct Button Test Run the BUTTON exe to test Audio DJ controls ...
Page 74: ...68 Chapter 3 ...
Page 89: ...Chapter 5 83 Top View Jumper and Connector Locations Chapter 5 ...
Page 91: ...Chapter 5 85 Bottom View ...
Page 94: ...88 Chapter 6 Exploded Diagram THE SYSTEM ...
Page 95: ...Chapter 6 89 LOGIC UPPER ASSY Aspire 1400 Series ...
Page 96: ...90 Chapter 6 LCD 14 1 Model Name Aspire 1400 Series ...
Page 97: ...Chapter 6 91 LCD 15 Aspire 1400 Series ...
Page 99: ...Chapter 6 93 FDD ASSY HDD W O HDD ASSY 02 02 ...
Page 109: ...Chapter 6 103 ...
Page 112: ...Appendix A 106 ...
Page 116: ...110 Appendix C ...