MiTAC 8050QMA 8.10 Audio Test Error-2 (Audio In)

130

80

8050QMA

50QMA N/B Maintenance

N/B Maintenance

AGND

R406

6.8K

R419

6.8K

8.10 Audio Test Error-2 (Audio In)

U517

Audio Codec

ALC655

U709

South Bridge

ICH6-M

U715

PC14510GHK

C335

1µ

C339

0.1µ

SBSPKR

R336

10K

CARDSPK 12 PC_BEEP

SPK_OFF

To next page

1

24

+VA

DVDD1,2

AVDD1,2

25,38

P21

P18

R337

47K

R338

47K

+VA

L71

120Z/100M

C755

0.1µ

+3VS 1,9

20

C380

1µ CDROM_RIGHT

J710

CDROM

Connector

2

P14

R420

6.8K

18

C377

1µ CDROM_LEFT 1

R407

6.8K

19 C385

0.22µ CDROM_COMM 3

R438

0

AGND

+5VS

C581

10µ

C351

10µ

C725

0.1µ

ACSYNC

ACRST#

ACSDOUT

ACSDIN0

ACBITCLK

8

5

10

11

R391 22

6R390 22

P11

No sound from speaker after audio driver is installed.

C741

0.1µ

C748 1µ

C746 1µ

31

32

AGND

VIN

1OUT

U17

RT9167-47CB

5

P19

3CE ADJ 4

GND

2

C364

0.01µ

C763

1µ

C756

1µ

23

24

LINE_IN/L

LINE_IN/R

R436

0

R417

0

AGND

R418

22K

R437

22K

J721

Line In Jack

2

3,5 P21

L79

BEAD_600Z/100M

L78

BEAD_600Z/100M

C578

0.1µ

L74 220

R205

0

D31

BAV70LT1

2

13

KBC_DEEP

From U13

P23

AVCC

U16

NC7S32

P21 Y

B

5

R335

1K

C334

100P

External MIC

J720

1

2

6

3

5

4

P21

R784

4.7K

R783

0

C764

1µ

21 MIC

22 MIC2

C757

1µ

CAGND

MIC1

28 MIC_VREF

R405

0

R412

5.6K

C751

1µ

R785

0MIC_EXT

CAGND

C381

100P

L554

BEAD_600Z/100M

JO518

MIC1 P21

+

-

1

2

L520

BEAD_600Z/100M JO517

AGND

L62

BEAD_600Z/100M

AGND

To next page

36

35

AOUT_R

AOUT_L

AMP_RIGHT

AMP_LEFT

R758

0

R767

0

R756

0

R771

0

R434

0

CAGND

C378

100P

CAGNDCAGND

J10 J9

SPDIFOUT

To next page

48

L543

BEAD_600Z/100M

AGND

34

12

CAGND

L548

120OHM/100MHZ

MiTac Secret

Confidential Document

Contents

Main Contents 1. Hardware Engineering Specification 2. System View and Disassembly ... 3. Definition & Location of Connectors / Switches .. 4. Definition & Location of Major Components .. Contents 5. Pin Description of Major Component .. 8. Trouble Shooting . Page Page Page Page 80 8050QMA 1.2 System Hardware Parts Page 1.2.3 The Mobile Intel 915PM Express Chipset Page Page 1.2.4 I/O Controller Hub : Intel ICH6-M 1.2.5 CardBus: CB712 Page Page 1.2.6 AC97 Audio System: Advance Logic, Inc, ALC655 Page 1.2.7 MDC: Pctel Modem Daughter Card PCT2303W (Askey V1456VQL-P1) Page Page 1.2.8 IEEE1394 VT6301S 1.2.9 System Flash Memory (BIOS) 1.2.10 Memory System 1.2.10.1 256MB, 512MB, 1GB (x64) 200-Pin DDR2 SDRAM SODIMMs Page 1.2.11 LAN PHY: RTL8100C(L) Page 1.2.12 Keyboard System: Winbond W83L950D 1.2.13 Hard Disk Drive Page Page Page Page Page Page Page Page Page Page Page 1.5 Appendix 1: Intel ICH6-M GPIO Definitions (1) Pin name Current Define Power plane Page 1.6 Appendix 2: W83L950D KBC Pins Definitions (1) Port Pin Function Impleme nt Port Pin Function Impleme nt 1.6 Appendix 2: W83L950D KBC Pins Definitions (2) 1.7 Appendix 3: 8050QMA Product Spec (1) Item Description - DVD Dual - DVD Super Multi drive 1.7 Appendix 3: 8050QMA Product Spec (2) Item Description - Build in microphone Video 1.7 Appendix 3: 8050QMA Product Spec (3) 50QMA N/B Maintenance 2.1.2 Left-side View 2.1 System View 2.1.1 Front View 2. System View and Disassembly Page 2.1.5 Bottom View 2.1.6 Top-open View Page 2.3 System Disassembly Page Page Page Page Page Page Page Page MiTac Secret Confidential Document Page Page Page Page Page Page Page Page Page Page Page 3. Definition & Location of Connectors / Switches 3.1 Mother Board (Side A) 3. Definition & Location of Connectors / Switches 3.2 Mother Board (Side B) 4. Definition & Location of Major Components 4.1 Mother Board (Side A) 4. Definition & Location of Major Components 4.2 Mother Board (Side B) U517 : Audio CODEC(ALC655) 5.1 Intel 915PM North Bridge(1) Host Interface Signals 5. Pin Descriptions of Major Components 80 8050QMA 5.1 Intel 915PM North Bridge(2) Host Interface Signals (Continued) Host Interface Reference and Compensation 5.1 Intel 915PM North Bridge(3) DDR / DDR2 SDRAM Channel A Interface DDR / DDR2 SDRAM Channel A Interface (Continued) PCI Express Based Graphics Interface Signals 5.1 Intel 915PM North Bridge(4) DDR / DDR2 SDRAM Channel B Interface DDR / DDR2 SDRAM Channel B Interface (Continued) DMI 5.1 Intel 915PM North Bridge(5) DDR / DDR2 Common Signals DDR / DDR2 Common Signals (Continued) 5.1 Intel 915PM North Bridge(6) CRT DAC Signals Analog TV-out Signals 5.1 Intel 915PM North Bridge(7) LVDS Signals DDR SDRAM Reference and Compensation Display Data Channel (DDC) and GMBUS Support 5.1 Intel 915PM North Bridge(8) Serial DVO Interface. Serial DVO Interface (Continued) 5.1 Intel 915PM North Bridge(9) PLL Signals Note: Reset and Miscellaneous Signals 5.1 Intel 915PM North Bridge(10) Power and Ground Power and Ground (Continued) 5.2 Intel ICH6-M South Bridge(1) PCI Interface Signals PCI Interface Signals (Continued) 5.2 Intel ICH6-M South Bridge(2) PCI Interface Signals (Continued) Serial ATA Interface Signals 5.2 Intel ICH6-M South Bridge(3) Serial ATA Interface Signals (Continued) LAN Connect Interface Signals Other Clocks Interrupt Signals 5.2 Intel ICH6-M South Bridge(4) IDE Interface Signals IDE Interface Signals (Continued) System Management Interface Signals SM Bus Interface Signals 5.2 Intel ICH6-M South Bridge(5) USB Interface Signals Miscellaneous Sign als EEPROM Interface Signals 5.2 Intel ICH6-M South Bridge(6) Power Management Interface Signals Power Management Interface Signals (Continued) 5.2 Intel ICH6-M South Bridge(7) Processor Interface Signals Processor Interface Signals (Continued) 5.2 Intel ICH6-M South Bridge(8) General Purpose I/O Signals 1,2 General Purpose I/O Signals 1,2 (Continued) 5.2 Intel ICH6-M South Bridge(9) Power and Ground Signals AC 97/Intel High Definition Audio Link Signals Firmware Hub Interface Signals Name Type Description FWH[3:0] / LAD[3:0] 5.2 Intel ICH6-M South Bridge(10) Functional Strap Definitions 1 Functional Strap Definitions 1 (Continued) Real Time Clock Interface 98 6. System Block Diagram FSB U711 Intel CPU Dothan U710 North Bridge 915PM U715 Card Bus CB712 U709 South Bridge ICH6-M Page Page 7.3 Error Codes-1 Following is a list of error codes in sequent display on the MINI PCI debug board. 7.3 Error Codes-2 Following is a list of error codes in sequent display on the MINI PCI debug board. Page *1: No Power Definition *2: No Display Definition Keyword: 8.1 No Power-1 106 Main Voltage Map PJ701 8.1 No Power-2 J703 Main Voltage Map 107 8.1 No Power-3 NOTE : 8.1 No Power-4 +PWR_VDDIN +VDD3 PJ701 POWER IN +PWR_VDDIN 8.1 No Power-5 BATT 110 Discharge Battery Connector 8.1 No Power-6 +VDD3S Power Controller 111 South Bridge 8.1 No Power-7 AO4419 PU12 SC486 PU2 LTC3728L U21 IMP811 8.2 No Display-1 ****** System Clock Check ****** 113 +VDD3S SST49LF004A 8.2 No Display-2 U711 CPU DOTHAN P U7 Clock Generator ICS954226 P 8.2 No Display-3 South Bridge P U711 CPU Dothan U20 MAX809 8.3 VGA Controller Test Error LCD No Display-1 There is no display or picture abnormal on LCD although power-on-self-test is passed. 116 8.3 VGA Controller Test Error LCD No Display-2 MXM_Connector +DVMAIN +VDD3S Inverter 8.4 External Monitor No Display-1 There is no display or picture abnormal on CRT monitor, but it is OK for LCD. 118 8.4 External Monitor No Display-2 External DVIConnector There is no display or picture abnormal on CRT monitor, but it is OK for LCD. J702 U2 SN74LVC2G125 8.5 Memory Test Error-1 Extend DDRAM is failure or system hangs up. 120 8.5 Memory Test Error-2 Extend DDRAM is failure or system hangs up. +0.9VS J713 DDR SODIMM +DDR2_VREF 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-1 Error message of keyboard or touch-pad failure is shown or any key does not work. 122 +VDD3 Touch-Pad 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-2 Error message of keyboard or touch-pad failure is shown or any key does not work. SYSTEM J5 +KBC_CPUCORE 8.7 Hard Disk Drive Test Error-1 124 +1.8VS_HDD 8.7 Hard Disk Drive Test Error-2 J715 PATA HDD Connector U724 88SA8040 +5VS_HDD 8.8 CD-ROM Drive Test Error-1 An error message is shown when reading data from CD-ROM drive. 8.8 CD-ROM Drive Test Error-2 An error message is shown when reading data from CD-ROM drive. +5VS_CDROM CD-ROM Connector 8.9 USB Test Error-1 An error occurs when a USB I/O device is installed. 128 8.9 USB Test Error-2 USB Port An error occurs when a USB I/O device is installed. U501 RT9701-CB J701 8.10 Audio Test Error-1 130 8.10 Audio Test Error-2 (Audio In) External MIC Line In Jack PC14510GHK U517 Audio Codec ALC655 8.10 Audio Test Error-3 (Audio Out) LINE OUT J509 U19 Audio Amplifier TPA0212 J7 8.11 LAN Test Error-1 An error occurs when a LAN device is installed. 133 P15 P15 U507 NS692408 8.11 LAN Test Error-2 An error occurs when a LAN device is installed. LAN Controller RTL8100CL U511 93C46 +AVDDL +AVDDH +DVDD 8.12 PC Card Socket Test Error-1 An error occurs when a PC card device is installed. 135 8.12 PC Card Socket Test Error-2 CARD_VCC P Card Bus Socket An error occurs when a PC card device is installed. Page SERVICE MANUAL FOR 8050QMA