Manuals / Brands / Computer Equipment / Laptop / Acer / Computer Equipment / Laptop

Acer 365 1.3.22 DC-DC Converter, 1.3.23 DC-AC Inverter, 1.3.24 LCD

1 127

Download 127 pages, 5.7 Mb

1-14 Service Guide

1.3.22 DC-DC Converter

DC-DC converter generates multiple DC voltage level for whole system unit use.

Table 1-25 DC-DC Converter Specifications

Item Specification

Vendor & model name Ambit T62.095.C.00

Input voltage (Vdc) 8~21

Output Rating 5V 3.3V Vcpu

(2.47 /2.15

/1.8V/2.0V)

+12V +6V 5VSB

Current (w/ load, A) 0~3.2 0~3.3 0~6 0~0.15 0~0.1 0.005

Voltage ripple (max., mV) 50 50 50 100 300 75

Voltage noise (max., mV) 100 100 100 200 500 250

OVP (Over Voltage Protection, V) 6.1~8.0 4.2~6.2 3-4 - - -

OCP (Over Current Protection, A) 4-6 4-6 6.5-9 0.3-0.4 - -

1.3.23 DC-AC Inverter

DC-AC inverter is used to generate very high AC voltage, then supply to LCD CCFT backlight use,

and is also responsible for the control of LCD brightness. Avoid touching the DC-AC inverter area

while the system unit is turned on.

Table 1-26 DC-AC Inverter Specifications

Item Specification

Vendor & model name Ambit T62.104.C.00

Input voltage (V) 6.8(in.) - 22(max.)

Input current (mA) - - 750 (max.)

Output voltage (Vrms, no load) 1000 (min.) - 1600 (max.)

Output voltage frequency (kHz) 40 (min.) - 65 (max.)

Output current (mArms) 1.0~5.5 (min.) 1.5~6.1 (typ.) 2.0~6.7 (max.)

1.3.24 LCD

Table 1-27 LCD Specifications

Item Specification

Vendor & model name TORiSAN

LM-JK53-22NFQ TORiSAN

LM-JK53-22NFR-A HITACHI

TX31D21VC

Mechanical Specifications

LCD display area

(diagonal, inch) 12.1 12.1 12.1

Display technology STN STN TFT

Resolution SVGA (800x600) VGA (800x600) SVGA (800x600)

Contents

Main ii Copyright Disclaimer About this Manual Purpose Manual Structure iv Conventions Text entered by user v Table of Contents Chapter 1 System Introduction vi Chapter 2 BIOS Setup Chapter 3 Disassembly and Unit Replacement vii Appendices List of Figures viii ix List of Tables x &KDSWHU&KDSWHU System Introduction System Introduction 1-1 1.1 Overview 1-2 Service Guide 1.2 Jumpers and Connectors PCB No. 97160-1 Figure 1-1 Jumpers and Connectors (Top View) Page 1-4 Service Guide 1.3 Hardware Confi guration and Specification 1.3.1 Memory Address Map Table 1-2 Memory Address Map 1.3.2 Interrupt Channel Map Table 1-3 Interrupt Channel Map 1.3.3 DMA Channel Map Table 1-4 DMA Channel Map 1.3.4 I/O Address Map Table 1-5 I/O Address Map 1-6 Service Guide System Introduction 1-7 Table 1-8 Memory Configurations 1.3.8 Second-Level Cache 1.3.9 Video Memory 1.3.11 Parallel Port Table 1-13 Parallel Port Configurations System Introduction 1-9 1.3.12 Serial Port Table 1-14 Serial Port Configurations 1.3.13 Audio Table 1-15 Audio Specifications 1.3.14 PCMCIA 1.3.15 Touchpad Table 1-17 Touchpad Specifications 1.3.16 Keyboard Table 1-18 Keyboard Specifications System Introduction 1-11 1.3.17 FDD Table 1-20 FDD Specifications 1.3.18 HDD Table 1-21 HDD Specifications 1-12 Service Guide 1.3.19 CD-ROM Table 1-22 CD-ROM Specifications 1.3.20 Battery Table 1-23 Battery Specifications System Introduction 1-13 Table 1-24 Charger Specifications 1-14 Service Guide 1.3.22 DC-DC Converter DC-DC converter generates multiple DC voltage level for whole system unit use. Table 1-25 DC-DC Converter Specifications 1.3.23 DC-AC Inverter Table 1-26 DC-AC Inverter Specifications 1.3.25 AC Adapter Table 1-28 AC Adapter Specifications Page System Introduction 1-17 1.4 Software Configurati on and Speci fi cation 1.4.1 BIOS Table 1-29 Hotkey Descriptions When the available hotkey is toggled, the system will issue a beep to enter the assigned process. 1-18 Service Guide Figure 1-3 Power Management Block Diagram System Introduction 1-19 Normal full-on operation Page System Introduction 1-21 Table 1-32 Hibernation Mode Conditions and Descriptions Table 1-33 Display Standby Mode Conditions and Descriptions 1-22 Service Guide Table 1-34 Hard Disk Standby Mode Conditions and Descriptions System Introduction 1-23 1.4.2 Drivers, Applications and Utilities Table 1-35 Location of Drivers in the System Utility CD Page 1.5 Block Diagrams 1.5.1 System CLK GEN CY2272 NS 97338 System Introduction 1-27 1.6 Environmental Requirements Table 1- 37 Environmental Requirements 1.7 Mechanical Specifications &KDSWHU&KDSWHU BIOS Setup BIOS Setup 2-1 2-2 Service Guide BIOS Setup 2-3 2.1 Basic System Settings Auto User None Table 2-1 Basic System Settings Parameters 2.2 Startup Configuration Drive A Then C Auto Table 2-2 Startup Configuration Parameters BIOS Setup 2-5 Table 2-2 Startup Configuration Parameters 2-6 Service Guide 2.3 Onboard Devices Configuration Table 2-3 Onboard Devices Configuration Parameters Page 2-8 Service Guide 2.4 System Security Table 2-4 System Security Parameters Page 2-10 Service Guide 2.5 Power Management Settings Table 2-5 Power Management Settings BIOS Setup 2-11 Table 2-5 Power Management Settings Page &KDSWHU&KDSWHU Disassembly and Unit Replacement 3.1 General Information 3.1.1 Before You Begin 3.1.2 Connector Types 3-4 Service Guide 3.1.3 Disassembly Sequence Table 3-1 Guide to Disassembly Sequence Disassembly and Unit Replacement 3-5 Figure 3-3 Disassembly Sequence Flowchart 3.2 Installing Memory Page Page 3.4 Removing the Hard Disk Drive Page Page 3.6 Disassembling the Inside Frame Assembly 3.6.1 Removing the Heat Sink Assembly 3.6.2 Removing the Display 3.6.3 Removing the Internal Drive Page Page Page Page 3.6.7 Disassembling the Mainboard 3.6.8 Disassembling the Top Cover Page Page Page $S$SSHQGSHQGL[$L[$ Model Number Definition Model Number Definition A 1 Page $SSHQGL[&$SSHQGL[& BIOS POST Checkpoints BIOS POST Checkpoints C-1 This appendix lists the POST checkpoints of the notebook BIOS. C-2 Service Guide Note: The keyboard LEDs should flash once. BIOS POST Checkpoints C-3 Note: The FDD LED should flash once and its head should be positioned Note: This routine is to identify the user-set CPU frequency, not CPU-required frequency $S$SSHQGSHQGL['L[' Silk Screen Silk Screen D- 1.1 CPU Board Layout CPU Mounting Reference Table PCB No. 96532-SA CPU Board Layout (Top) Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page A p p e n d i x GA p p e n d i x G Schematics \ CPU BD TO BD CONNECTOR 1998/03/01 Sun. 22:00 V \ M1531 BYPASS CAPACITORS M1533 BYPASS CAPACITORS Page Page Page Page 72.48214.209 400mil 2MX8-6 EDO3.3V B09 300mil X X Page Page ZV LCD ZV DRAM Host Logic LCD Connecter Inverter Up Down CRT Connecter Right Left (Top View) HDD conn. Up Down CD-ROM 2nd conn. CD-ROM 1st conn. FDD conn. Up USB conn. Page Page Golden Finger FAX/MODEM 1st conn. FAX/MODEM 2nd conn. (Top View) RJ11 CONN Page (Top View) Serial port Parallel port \ Page Left Right Left Right Middle Page Near Conn. Lower=Slot1=B, Upper=Slot0=A DUMMY Near 2206 Charger