Acer TravelMate 430 Technical Information download pdf (Page 35)

Chapter 1 27

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

Keyboard controller NS 87591L

RTC ICH3-M

Keyboard

Item Specification

Keyboard controller NS 87591L

Keyboard vendor & model name Acer proprietary keyboard w/o launch button embeded

Total number of keypads 87/88/90 keys with 101/102 key emulation

Windows logo key Yes

Internal & external keyboard work simultaneously Yes

Battery

Item Specification

Vendor & model name Sanyo/Sony

Battery Type Li-ion

Pack capacity 69.93Wh

Cell voltage 3.7V/cell

Number of battery cell 9

Package configuration Pin 1,2: BATT+: Battery positive power pin

Pin 3: Floating pin (3S3P)

Pin 4: B/I: Enable LI-ion battery output, connect to 1k resistor to

GND in system.

Pin 5: TS: connect 10K ohm Thermistor to GND

Pin 6: EC_SMD1: SMbus DATA

Pin 7: EC_SMC1: SMbus CLOCK

Pin 8, 9: GND: battery ground power pin

Package voltage 11.1V

LCD Inverter Specification

This inverter is designed to light up the CCFL of LCD for TravelMate 430 series notebook. It should be

supported the following LCD panels.

No. Supplier Model Type

1 CPT CLAA141XF01 TFT, 14.1” XGA

2 AU B141XN04 TFT, 14.1” XGA

3 CPT CLAA150XH01 TFT, 15.0” XGA

4 AU B150XG01 TFT, 15.0” XGA

5 Hannstar HDS150PX14-A TFT 15.0” XGA

6 AU B150PG01 TFT, 15.0 SXGA+

7 IBM ITSX95C TFT 15.0” SXGA+

8 Hitachi TX38D91VC1FAC TFT, 15.0” SXGA+

System Board Major Chips

Item Controller

Ω

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 139 140

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Acer TravelMate 430 Technical Information Page 35

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