V

180

VOL UP

DOWN

4

LEFT

RIGHT

MENU

0

KEYPAD

8

7

SEND

*

UP

SOFT LEFT

#

9

3

2

CENTER

SOFT RIGHT

VOL DN

1

5

6

KBR3

KBR6

KBR7

KBC0

KBC1

KBR0

KBR1

KBR2

KBR4

KBR5

SOL

BACKLIGHT CIRCUIT; DISPLAY AND KEYPAD

MIC

LCD DRIVER CONNECTOR

32.768kHz

Charger Jack

to the pins they are bypassing

PORT

PIN 2 =

DETECTION

NEPTUNE LTE

EAGLE MODULE

MIDI SPEAKER CONTACT

Speaker

RTC Battery Connector

To replace when new PN is available

MIC

Flash I/O voltage

RX Loop Filter

Speaker

32Mbit PSRAM

CHARGER CKT

SIM BLOCK

bypass caps should be close

TX Loop Filter

2.775V

CHARGER

Light Sensor

Switcher

Headset

39pF

C413

2

C434

10pF

NC

NC

DNP_C428

1500pF

NC

NC

10uF

C423

NC

0.1uF

C403

NC

NC

NC

NC

DNP_C414

10pF

DNP_C404

10pF

NC

68

R405

NC

C416

1500pF

NC

BATT_B+

TP_BATT_B+_BOT

0.1uF
C400

10pF

C435

NC

39.0nH

L406

NC

L404

39.0nH

NC

R401

4.7K

0.1uF

C415

NC

AUD_2.65V

10pF

DNP_C402

NC

NC

39pF

C422

NC

4.7uF

NC

C429

NC

J400

BRK

GND

MIC

SP

SWI

NC

NC

NC

10pF

C406

NC

NC

39pF

DNP_C424

BATT_B+

10pF

C421

C407

10pF

39pF

C420

39.0nH

L401

NC

NC

0.1u

F

C401

2

1

0.1uF

C427

DNP_C411

39pF

L400

NC

39.0nH

NC

L403

47.0nH

NC

DNP_C405

10pF

39.0nH

L405

L402

39.0nH

NC

NC

NC

L407

39nH

NC

DNP_C412

10pF

L408

39nH

C419

10pF

C408

10pF

NC

NC

6.8V

NC

NC

VR400

NC

NC

NC

NC

NC

NC

10pF

DNP_C418

NC

C409

21

0.1uF

NC

NC

NC

NC

NC

NC

NC

39pF

DNP_C410

4.7K

R400

NC

CONTACT

P900

PIN1

1

PIN2

2

PIN3

3

NC

NC

NC

10K

R404

10pF

DNP_C425

NC

NC

SPKN

HED_SPK

HED_COMP

SPKP

HED_MIC

EUROB_US

LOWB_HIGH

Service Engineering & Optimization

V 180

Level 3 Schematics

Alexander Buehler, Michael Hansen

2004.04.07

Rev. 1.0

P2

Page 1 of 1

REVISIONS