Sony Ericsson W350I Schematics 1

V18_VDD_IO_LOW

Page 2

V18_VDD_IO_LOW

V28_VCC_SYN

V28_VCC_RX_TX

V28_VCC_SYN

V28_VCC_RX_TX

Edge1_PA

PON_PA

DCS

MODE_SELECT

RAMP

IRX_TX_P

IRX_TX_N
QRX_TX_P
QRX_TX_N

RF_DATA

RF_CLK

RF_EN

TRX_EN

PON_SW

AFC

V28_VCC_SYN

V28_VCC_RX_TX

Edge1_PA
PON_PA
DCS
MODE_SELECT
RAMP
IRX_TX_P
IRX_TX_N
QRX_TX_P
QRX_TX_N
RF_DATA
RF_CLK
RF_EN
TRX_EN
PON_SW
AFC

V18_VDD_IO_LOW

VBAT

R_02_Power_Supply

Page 4-7

V18_VDD_IO_LOW
VBAT
V28_VCC_RX_TX
V28_VCC_SYN
GSM09_RX
DCS_RX
PCS_RX

Edge1_PA
PON_PA
DCS
MODE_SELECT

RAMP

IRX_TX_P
IRX_TX_N

QRX_TX_P
QRX_TX_N
RF_DATA
RF_CLK

RF_EN
TRX_EN
PON_SW

AFC

DCSPCS_Tx

GSMTEST_850/900

PCS_RX
DCS_RX
GSM09_RX

FESW1
FESW2
FESW3

GSM_Tx

MCLK0

BT_MCLK

V28_VCC_RX_TX

FESW1
FESW2
FESW3
DCSPCS_Tx
GSM_Tx

Page 3

V28_VCC_RX_TX

FESW1
FESW2
FESW3

DCSPCS_Tx
GSM_Tx

R_03_Antenna_Switch

GSM09_RX

DCS_RX
PCS_RX

GSM_TEMP

GSM_TEMP

MCLK0

BT_MCLK

GSMTEST_850/900

GSM_TEMP

MCLK0
BT_MCLK

VBAT

VBAT

V18_VDD_IO_LOW

V18_VDD_IO_LOW

R_04_Edge_Top

Confidential

Approved according to 00021-LXE 107 42/1

Sony Ericsson

RADIO TOP

Johanna W350 AAB-1022121-BV, AAB-1032061-BV

1203-5975

SCHEMA DIAGRAM

3

1 (7)

N7520

OM3750
POWER

LINEAR REGULATORS-RF

RF1VDD
RF2VDD

OM3750HN/N3
1201-9133

06AUG22 - key_cindy

V28A_VCC_SY

41

V28A_VCC_RX_TX

42

C5201
10uF

V28_VCC_RX_TXV28_VCC_SYN

0ohmsR5201

0ohmsR5202

C5210

22pF
<NM>

C5202
10uF

V18_VDD_IO_LOW

V18_VDD_IO_LOW

V18_VDD_IO_LOW

R5203

0ohms
<NM>

R5204

0ohms

GND

GSMTEST_850/900

Confidential

Approved according to 00021-LXE 107 42/1

Sony Ericsson

RADIO
Power Supply

V28_VCC_SYN

V28_VCC_RX_TX

V28_VCC_RX_TX

SCHEMA DIAGRAM

Johanna W350 AAB-1022121-BV, AAB-1032061-BV

1203-5975

V28_VCC_SYN

3

2 (7)

V28_VCC_RX_TX

(RF page 6)

(RF page 6)

FESW3

FESW2

L5306

0.1uH

L5305

0.1uH

L5304

0.1uH

C5308
22pF

V28_VCC_RX_TX_N5301

VC3

C5306
22pF

VC2

C5307

22pF

R5303
0ohms

X5300X5301

R5313

0ohms

GND GND

N5301

11

VDD

ANT

R5301
0ohms

C5310

1 5pF

<NM>

10

V28_VCC_RX_TX_B5301

C5309

1.5pF
<NM>

C5304

0.01uF

B5301

V+NCVO

GND

LM20_LEADFREE
1000-8510

Leadfree

Z2 Z1
AC

34
2

GND

15

1204-6720

MS-156A

GND GND

C_TERMA_TERM

ANT_N5301

W5301

GSM_TEMP

C5302
10pF

(BB page 7)

0.0015uH

L5303

06AUG17- key_cindy

L5301

0.015uH

(RF page 6)

(RF page 7)

(RF page 7)

V28_VCC_RX_TX

FESW1

DCSPCS_Tx

GSM_Tx

L5302

0.1uH

V28_VCC_RX_TX

C5305

22pF

VC1

8

VC3

7

VC2

6

VC1

14

1800_1900_TX

16

850_900_TX

1001-1886
A030A_EPCOS

5

RX4

4

RX3

3

RX2

2

RX1

1
9

12

GND

13
15

2

R5306

47ohms

PCS_RX
DCS_RX

GSM09_RX

PCS_RX
DCS_RX

GSM09_RX

(RF page 5)
(RF page 5)
(RF page 5)

Confidential

Approved according to 00021-LXE 107 42/1

Sony Ericsson

RADIO

Johanna W350 AAB-1022121-BV, AAB-1032061-BV

SCHEMA DIAGRAM

3

Antenna Switch

1203-5975

3 (7)