MiTAC 8050D ****** VGA Controller Checking

8050D N/B Maintenance

8.3 No Display(3)

AGP_ VREF

C146

10U

R140

R104

R752

U710

ATI-M10

VGA Controller Checking

	R120	1.02K	AGP_VDDQ				R16	1M	F1	2A
			AGP_VDDQ
C149	R110
0.01U	1.02K					Document
						Document
									Q9
				Secret					SI4835DY
				Secret					3 2 1
47K		+3V			R19		10K	S
47K								G

10K
10K
					Q11				8 7 6 5
0	ENAVDD	R20	0		2N7002		C14
0	ENAVDD	R20	0				0.22U


		+3V							L15	120Z/100M
		MiTac							L15	120Z/100M
		MiTac
		R11~R14
			10K*4
	PANEL_ID[0..3]
	Confidential						TXCLK-
	TXCLK- ATI	R160	0				TXCLK-
	TXCLK+ ATI	R161	0				TXCLK+
	TXOUT0- ATI	R153	0				TXOUT0-
	TXOUT0+ ATI	R154	0				TXOUT0+
	TXOUT1- ATI	R158	0				TXOUT1-
	TXOUT1+ ATI	R159	0				TXOUT1+
	TXOUT2- ATI	R794	0				TXOUT2-
	TXOUT2+ ATI	R795	0				TXOUT2+
	TXOUT3- ATI	R796	0				TXOUT3-
	TXOUT3+_ATI	R797	0				TXOUT3+

+3V

	1,2,3
	6,7,10,14	P12
		P12
	15
	13	J2
	28	J2
	28
	26	LCD
	22	LCD
	22	CONNECTOR
	21	CONNECTOR
	20

66M_AGP

R819 33

P11

U712

CLK-GEN

109

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)