MiTAC 8050D U15

8050D N/B Maintenance

6. System Block Diagram

							U713
							INTEL
						BANIAS/DOTHAN
J6							Host
							400MHZ
	U727						400MHZ
	U727
	PCMCIA						Document
Card Reader	CARD READER						U714		U710
Socket	CB710				J711		North B idge	AGP
					DDR 266		855GME		ATI-M10
						MiTac
Mini PCI			U719			MiTac	66MHZ
Mini PCI			U719
Card Socket		RTL8100CL
Card Socket		RTL8100CL

				Confidential
IEEE 1394					PCI BUS
IEEE 1394							U715		AC 97
							U715

HDD							ICH4-M
HDD
CD-ROM								LPC BUS

RGBCRT

LVDS

	DD
CC
LL

Amplifier

TPA0212

		MIC
		Speaker
U726		Speaker
AUDIO	U524	HP/OPT Jack
CODEC		Subwoofer
ALC655		Subwoofer
ALC655		Line In

MDC
		RJ11
		RJ11

USB2.0	U15	U16	Internal KB

		WINBOND	Touch Pad
	FWH

		W83L950D	FAN
	BIOS			92

Contents

Page 1.Hardware Engineering Specification ………………………………………………………………… 1.1Introduce ……………………………………………………………………………………………… 1.2System Overview ……………………………………………………………………………………… 1.3System Hardware Parts ………………………………………………………………………………… 1.4Other Functions …………………………………………………………………………………….… 8. Trouble Shooting ……………………………………………………………………………………..… 8.1 No Power ……………………………………………………………………………………………… Battery Can not Be Charged …………………………………………………………………………… No Display ………………………………… ………………………………………………………… External Monitor No Display …………………………………………………………………………… Page Page Page Page 1.3.1Intel Banias Processors in Micro-FCPGAPackage 1.3.2 Clock Generator 1.3.3 Montara-GMEGMCH IGUI 3D Graphic DDR/SDR Chipset Page Features Processor/Host Bus Support Memory System System InterruptSecretDocument Display 1.3.4 I/O Controller Hub : INTEL 82801DBMSecret Introducing MOBILITY M10 SMARTSHADER™ 2.0 — Advanced Shader Technology MOOTHVISION™ 2.0 — Flexible Anti-Aliasingand Anisotropic Filtering High Performance Memory Support Dual Display Support VIDEO AccelerationConfidential Features Page Page 1.3.7AC’97 AUDIO SYSTEM: Advance Logic, Inc, ALC655 Page 1.3.8 MDC:PCTEL MODEM DAUGHTER CARD PCT2303W (ASKEY V1456VQL-P1) Features Standard Features 1.3.9.1Overview MiTac 1.3.9.2 Features Firmware Hub for Intel® 810, 810E, 815, 815E,815EP, 820, 840, 850 Chipsets Flexible Erase Capability Single 3.0-3.6VRead and Write Operations Superior Reliability Firmware Hub Hardware Interface Mode 1.3.11.1 64MB, 128MB, 256MB,MiTac512MB (x64) 200-PinDDR SDRAM SODIMM Page General Page Page 1.3.13 Keyboard System: Winbond W83L950D 1.4.1Hot Key Function Keys Combination Feature Meaning APM mode ACPI mode Three LED indicators at front side: Seven LED indicators: Battery Warning Battery Low State Battery Dead State 1.4.7 CMOS Battery 1.4.6 Fan power on/off management I/O Port Full on mode Doze Mode Standby mode Suspend to DRAM HDD & Video access 2.1.1Front View 2.1.2 Left-sideView 2.1.3 Right-sideView 2.1.4 Rear View 2.1.5 Bottom View 2.1.6 Top-openView Page 2.2.1 Battery Pack Disassembly Reassembly 2.2.2 Keyboard 2.2.3 CPU Page 2.2.4 HDD Module Page 2.2.5 CD/DVD-ROMDrive 2.2.6 Wireless Card 2.2.7 Modem Card 2.2.8 DDR-SDRAM 2.2.9 LCD ASSY Page Page Page 2.2.10 LCD Panel Page 2.2.11 Inverter Board 2.2.12 System Board 2.2.13 Touch Pad Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page U15 Page 7.2Diagnostic Tool for Mini PCI Slot : Following is a list of error codes in sequent display on the debug board Page Page 8.1 No Power 8.9 CD-ROMDriver Test Error Battery Can not Be Charged Audio Failure No Display NOTE: Page Page Page Page There are problems in charging the battery Page known-good ****** System Clock Check ****** System Reset Check ****** VGA Controller Checking ****** Back Light & Cover Switch Checking CPU Core does not exist Page Page Either on board or extend SDRAM is failure or system hangs up Page Page Page An error occurs when a USB I/O device is installed Page Page Page Page Page There is trouble with the sound from speaker or completely no sound Page Page An error occurs when a LAN device is installed Page An error occurs when run the modem Page Page An error occurs when a PC card device is installed Page Page An error occurs when a IEEE 1394 device is installed Page Page Page Page Page Page Page Page Page Page Page Page Page Page 8050D R01 CPU-BANIAS(1/2) CPU-BANIAS(2/2) NB-MONTARA-GME(1/2) Page Page Page ATI M10-P(2/4) ATI M10-P(3/4) VRAM CLOCK SYNTHERIZER Display (CRT / LCD) Page SOUTHBRIDGE-ICH4-M(2/2)