Acer Aspire 1400 Service Manual page 36

Battery
Vendor & model name
Battery Type
Pack capacity
Cell voltage
Number of battery cell
Package configuration
Package voltage
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
1 LG
2 Hanstar
3 Unipac
4 IBM
5 Toshiba
6 Unipac
7 Hanstar
8 CPT
9 Hanstar
10 Sharp
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.
30
Item
LP150x04
HSD150PX11-A
UB150XN01
ITUX97C
LTM14C506
UB141X03
HSD141PX11-B
CLAA150PA01
HSD1509K11-A
LQ150X1LH63
Sony
Li-ion
57Wh
3.7V/cell
12
4 cells in series, 3 series in parallel
14.8v
Model
TFT, 15.0" XGA
TFT, 15.0" XGA
TFT, 15.0" XGA
TFT, 15.0" UXGA
TFT, 14.1" XGA
TFT, 14.1" XGA
TFT, 14.1" XGA
TFT, 15.0" SXGA+
TFT, 15.0" SXGA+
TFT 15.0" XGA
Specification
Type
Chapter 1