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Intel LV19C Series, LV19N Series, LV22C Series, LV22N Series 1.2VS/1.25VS

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Schematic Diagrams

1.2VS/1.25VS B - 37

B.Schematic Diagrams

1.2VS/1.25VS

Sheet 36 of 43

1.2VS/1.25VS

Z3612

Z3613

PC62

10u_25V_12

VIN

3.3V 4,7,14,16,17,18,21,22,24,2 6,30,31,34

PL11 BCIHP1040-1R0M

Z3621

Power Plane

PC38

1u_10V_06

+

PC52

220u_25V_6.3*5.9

PC124

10u_25V_12

VIN

PR15

0_06

+

PC34

820u_25V_10*20

VIN 1 3, 20, 30, 31, 32, 33, 34 ,3 7

PR21

0_06

+

PC55

220u_25V_6.3*5.9

PC54

20P_50V_04

PD23

FM5822

A C

PC44 1000p_X7R_04

Power Plane

PR25 750K_04

Z3611

VDD5

Z3603

SGND3

VIN

18A

PJ3

10mm

1 2

SGND5

VTT_1.2VS

V1.2

1.25VS

Z3617

PR28

10K_1%_04

Z3601

SGND3

PC35

1u_10V_06

SGND5

VTT_1.2VS3,4,5,6,7,10,18,37

SGND3

SC413

PU4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

PGND1

DL1

VDDP1

ILIM1

LX1

DH1

BST1

EN/PSV2

TON2

VOUT2

VCCA2

FBK2

PGOOD2

AGND2

PGND2

DL2

VDDP2

ILIM2

LX2

DH2

BST2

EN/PSV1

TON1

VOUT1

VCCA1

FBK1

PGOOD1

AGND1

PC48 1000p_X7R_04

PC218

0.1u_25V_06

SGND3

PR27 10_04

PC223

1000p_50V_0805

PC222

1000p_50V_0805

1219_Allen

Z3605

PR152

10_08

PC36

*0.1u_16V_04

PC117

0.1u_25V_06

SSEN31,33,34

PR31

15K_1%_04

PQ7

IRF7821TRPBF

4

62

5

73

1

8

PC139

100p_50V_04

PJ5

15mm

1 2

Z3620

+

PC64

220u_25V_6.3*5.9

+

PC29

220u_25V_6.3*5.9

12A

PR20

10K_1%_04

5V7, 13,14,18,21,24,27,28,31,3 2,34,35,37

PC66

10u_25V_12

Z3624

PD8

FM0540-N

AC

+

C825

*100u_10V_D

1.25VS

Rb

PR86

10K_1%_04

1219_Allen

PC50 1u_10V_06

Z3604

SGND5

PR153

10_08

PR151

0_04

PD26

FM5822

A C

PR150

0_04

SGND3

Z3623

PC125

10u_25V_12

PQ19

IRF7821TRPBF

4

62

5

73

1

8

PR23 1M_1%_04

SGND5

SGND3

Z3614

Z3606

PC42 1u_10V_06

Z3607

Z3616

Ra

1219_Allen

PR26 10K_1%_04

Z3619 PC53

0.1u_16V_04

PQ15

IRF7831TRPBF

4

62

5

73

1

8

VCCP_PWRGD37

1.25VS 7,10,18

Z3602

PR30 10_04PR16 0_06

V1.25

PR18

14K_1%_04

SGND3

3A

SGND5

PR17 1K_04

PC132

0.1u_16V_04

PC65

0.1u_25V_06

PL8

BCIHP1040-2R5M-NL

PC196

*2.2u_16V_08

Z3622

2A

PR19 *10K_04

+

PC23

220u_25V_6.3*5.9

PQ10

IRF7831TRPBF

4

62

5

73

1

8

VCCP_PWRGD

PC126

10u_25V_12

+

PC58

820u_25V_10*20

Rb

V1.2_EN35

Z3609

VDD5 15,17,20,24,31,32

PR154 0_04

PQ16

IRF7831TRPBF

4

62

5

73

1

8

3.3V

Z3618

Z3615

PC43

0.1u_25V_06

PD10

FM0540-N

AC

+

PC24

220u_25V_6.3*5.9

PC47

0.1u_25V_06

Ra

PC63

10u_25V_12

Contents

Main Page Notice Trademarks Page Page Contents Introduction ..............................................1-1 Disassembly ...............................................2-1 Part Lists .................................................. A-1 Schematic Diagrams.................................B-1 Page 1: Introduction Overview 1 - 2 System Specifications System Specifications Latest Specification Information Table 1 - 1 System Specifications System Specifications 1 - 3 1 - 4 System Specifications External Locator - Front View & Top View 1 - 5 External Locator - Front View & Top View Figure 1 - 1 1 - 6 External Location - Left & Right Side Views External Location - Left & Right Side Views Figure 1 - 2 External Locator - Rear View 1 - 7 External Locator - Rear View 1 - 8 Mainboard Overview - Top (Key Parts) Mainboard Overview - Top (Key Parts) Figure 1 - 4 Mainboard Overview - Bottom (Key Parts) 1 - 10 Mainboard Overview - Top (Cable Connectors & Switches) Mainboard Overview - Top (Cable Connectors & Switches) Figure 1 - 6 Mainboard Overview - Bottom (Cable Connectors & Switches) Page 2: Disassembly Overview Maintenance Tools Connections Overview 2 - 3 Maintenance Precautions Cleaning Disassembly Steps Removing the Hard Disk Drive Assembly Page Removing the System Memory Page Removing and Installing the Processor 2 - 9 Removing and Installing the Processor Figure 2 - 4 Page Removing the Modem Removing the Wireless LAN Module Removing the TV Tuner Module Removing the Bluetooth Module Removing the LCD Back Cover 2 - 16 Removing the LCD Back Cover Figure 2 - 11 Removing the Optical Device Assembly Page Appendix A: Part Lists Part List Illustration Location LV22C/LV22N - Front Cover A - 3 LV22C/LV22N - Front Cover Figure A - 1 LV22C/LV22N - Front LV22C/LV22N - Back Figure A - 2 LV22C/LV22N - Back LV22C/LV22N - Combo Drive LV22C/LV22N - DVD-Dual Drive LV22C/LV22N - HDD A - 8 LV22C - MB LV22C - MB Figure A - 6 LV22C - MB LV22N - MB A - 9 LV22N - MB Figure A - 7 LV22N - MB A - 10 LV19C/LV19N - Front Cover LV19C/LV19N - Front Cover Figure A - 8 LV19C/LV19N - Front Cover LV19C/LV19N - Back Figure A - 9 LV19C/LV19N - Back LV19C/LV19N - Combo Drive LV19C/LV19N - DVD-Dual Drive LV19C/LV19N - HDD LV19C - MB A - 15 LV19C - MB Figure A - 13 LV19C - MB A - 16 LV19N - MB LV19N - MB Figure A - 14 LV19N - MB B-1 Appendix B: Schematic Diagrams Diagram - Page Diagram - Page Diagram - Page Panel, CPU Fan - Page B - 16 MDC, BT, PWRGD, Inverter Connector - Page B - 31 Table B - 1 Schematic Diagram System Block Diagram 652 BGA ICH8 DH 1226 FCBGA PROCESSOR Clock Generator Sheet 2 of 43 Clock Generator B - 4 CPU - 1 of 3 CPU - 1 of 3 1 OF 8 2 OF 8 Sheet 3 of 43 CPU 1 of 3 LGA775_C CPU - 2 of 3 Layout Note: LGA775_C 3 OF 8 4 OF 8 CPU - 3 of 3 8 OF 8 5 OF 8 7 OF 8 6 OF 8 Intel P965 1/5 CPU Interface CLOSE MCH SPACE 10 MIL NEAR VTT HXSWING S/B 1/4*VTT +/-2% Intel P965 2/5 PCI-E I/F CL_CLK Sheet 7 of 43 Intel P965 2/5 PCI-E I/F CL_RST# PCIE Intel P965 3/5 Memory I/F MEM_1_DQM[0..7]12 MEM_1_DQS#[0..7]12 MEM_1_DQS[0..7] MEM_1_DQS#[0..7] Intel P965 4/5 GND GND Sheet 9 of 43 Intel P965 4/5 GND Intel P965 5/5 Power B - 11 Intel P965 5/5 Power VCCA_MPLL VCCA_GPLL Sheet 10 of 43 Intel P956 5/5 Power VCCA_HPLL DDRII SO-DIMM 1/2 Layout note: CLOSE TO SO-DIMM_0 Sheet 11 of 43 DDRII SO-DIMM 1/2 Layout Note: DDRII SO-DIMM 2/2 Layout note: signal/space/signal: CLOSE TO SO-DIMM_1 Sheet 12 of 43 DDRII So-DIMM 2/2 MXM PCI-E CONN 0.5A Sheet 13 of 43 MXM PCI-E CONN PE0_RX[0..15]7 4A BIOS, USB K/B, TPM TPM_BADD LPCPD# inactive to LRST# inactive 32~96us LPC reset timing: Rd Panel, CPU Fan BOT SIDE CRT CONNECTOR 1014 1212 ICH8 1/3 (PCI, DMI, CPU, IRQ) SPI 0 1 SPI DIRECT MEDIA LAN PCI EXPRESS ICH8 2/3 (LPC, ATA, USB, GPIO) 20mil SPKR AMTAFSC MISCPOWER MGNTSM BUSUSB ICH8 3/3 (Power) ICH 8 PART 3/3 Sheet 18 of 43 ICH8 3/3 (Power) 5VREF & 5VREF_SUS Sequencing Circuit JM361 PCI-E TO PATA, eSATA Sheet 19 of 43 JM361 PCI-E TO PATA, eSATA JMB363 1A Close to JMB368 IC CD-ROM, SATA, PC-Beep, LED Sheet 20 of 43 CD-ROM, SATA, PC-Beep, LED LED SATA HDD Within 200mil VGA Fan, CCD, Power OK POWER OK Sheet 21 of 43 VGA Fan, CCD, Power OK 48 mil (IMP809) LAN 82566 1 of 2 CLOSE TO LAN CHIP CLOSE TO TRANSFORMAL 2 of 2 PCI7402 OUTPUT 22-48R00-1BA Close to PCI7412 Sheet 23 of 43 PCI7402 TV Tuner, CardReader, CIR VIDEO CONNECTOR CIR Close to MS socket Close to SD socket ITE IT8512 1130 200K V4.0 RX Mini Card, New Card KEY Sheet 26 of 43 Mini Card, New Card NEW CARD Ejector: 130851-C USB 2.0 Sheet 27 of 43 USB 2.0 1014 Layout Note: 1014 B TO D SIDE AZALIA Codec ALC883/ALC888 AUDG CD_G 2 CD_L Audio AMP, SRS, Woofer DEL R637,R638 10K TPA3007D1 AP8202Q TPA3005D2 MDC, BT, PWRGD, Inverter Connector FROM H8 def HI USB BLUETOOTH 2A Sheet 30 of 43 MDC, BT, PWRGD, Inverter Connector System Power Max output current is 1A Rb 4A Ra 3.3V/5V Rb 7A Sheet 32 of 43 3.3V/5V Ra 12VS, AC-In PIN 13=GND 0.1u_25V_06 8A 320mil IRF7821TRPBF 1.8V/0.9V 12A 1219_Allen PIN 25=GND Sheet 34 of 43 1.8V/0.9V 1.5VS,1.05VS 1.8VS 1219_Allen 1.5A Sheet 35 of 43 1.5VS/1.05VS 1.2VS/1.25VS Ra 3A 12A SC413 VCORE t Sheet 37 of 43 VCORE Place close to inductor BOTTOM PAD CONNECT TO GND Through 4 VIAs LED Board Y SG Sheet 38 of 43 LED Board WLAN/BT LED Power Board Sheet 39 of 43 Power Board POWER BOARD CIR Board B - 41 CIR Board C.IR Sheet 40 of 43 CIR Board CIR BOARD B - 42 CD-ROM Board CD-ROM Board Sheet 41 of 43 CD-ROM Board CDROM BOARD Video Connector Board B - 43 Video Connector Board VCABLE_TV2 Sheet 42 of 43 Video Connector Board COMPOSITE(YELLOW) CRT Connector Board Rc PLEASE CLOSE TO CONNECTOR Sheet 43 of 43 CRT Connector Board Ra