Lenovo A898t schematic diagram and service manual

123456

REVISION RECORD

ECO NO:LTR APPROVED:DATE:

1

MICBIAS0

U1402

4

1

AU_VIN0_P

D

D

[1]

AU_VIN0_N

[1]

R1102

0R

GND

OUT

GND6GND

12

33PF

C1429

5

n.m

T3

12

C1430

1UF

VCC

33PF

C1428

GND3GND

2

[1]

AU_HPL

AUDIO_GND

[1]

[1]

R3101

12

R3102

GPIO73_SPK_EN

0R

10NF

C3108

0R

10NF

C3109

R3112
100K

VBAT

VPA

R3108

0R

C3107

4.7UF

U3103

YDA145

A2

PA_IN+

VDD

A1

IN+

PA_IN-

C1

IN-

C2

CTRL

B2

VREF

VREF

C3111

1UF

PA_OUT-

C3

OUT-

PA_OUT+

A3

OUT+

AGND

PGND

C3112

B1

B3

33PF

C3110

C3113

100PF

33PF

B3101

BLM18PG221SN1D

B3102

BLM18PG221SN1D

SPK-

SPK+

C1120

1NF

+

C1121

1NF

T3102+T3103

J1401

J1402

VIBR_PMU

C1117

1UF

R1109

6.8R

15mil

VIB+

34

D

J1103

12

+

-

D

VIBRATOR

MIC 1

C

C

[1]

USB_DP

[1]

USB_DM

VBAT

[1]

VBUS

B

B

Close to MIC

J1403

1

28

GND

2

27

GND

3

26

GND

4

25

GND

5

24

6

23

7

22

8

21

9

20

10

19

VBAT

VBAT

18

17

16

AXE524124-CCW

11

12

13

1415

SPEAKER

C

C

J1102

20369C3

432

1

ANT-1

0R

L1103
n.m

B

B

VBUS

VIBR_PMU

MICBIAS0

[1]

AU_VIN0_N

[1]

AU_VIN0_P

AU_HPL

[1]

AUDIO_GND

[1]

GPIO73_SPK_EN

[1]

VBUS

VBUS

VBUS

[1]

C1114

100NF

C1115

C1116

2.2NF

330PF

12

T1107

PESD12VS1ULD

0402T_PESD12VS1ULD_38PF

12

USB_DM

USB_DP

[1]

[1]

VBUS

USB_DM

USB_DP

+

+

12

12

T1417

T1418

ESD7951ST5G

ESD7951ST5G

USB IO

1

VUSB

2

D-/UTXD

3

D+/URXD

4

ID

5

GND

J1101

3.2.01.0130

GND7GND

GND9GND

6

ANT1102 ANT1103

L1101
56nH

ANT-2ANT-3

L1102

R1104

n.m

R1107

0R

R118

n.m

8

ANT CONNECTOR

1

H1103

HOLE-1.1

1

H1104

HOLE-1.1

A

A

1

H1101

HOLE-2.7

1

H1102

HOLE-1.6-2.7

DRAWN: DATED:

bianwl

2012-11-23

DATED:CHECKED:

QUALITY CONTROL: DATED:

DATED:RELEASED:

COMPANY:

TITLE:

LENOVOMOBILE

Swarovski_SUB_H101

DRAWING NO:

D

MIC_SPK_IO_VIB_RF

12345

SHEET: OFSCALE:

11

REV:SIZE:CODE:

V2.1

A

A