Samsung E2222 Block Diagram 7

Level

8.

Block Diagram

8-1.

Repair

3

8-1

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PCB Diagrams

8-2.

8-2-1.

Top

8-2

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8-2-2.

Bottom

8-3

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8-3-1.

Power On

Power On"does not work

"

Check theVBAT Voltage

C369

@

>=3.3V

YES

Is the assembling status of
SW304(ON KEY) O.K?

YES

Current consumption

>= 100mA?

YES

Check the power

VRF_2.85V(C205)

VDD_2.5V(C215)
VGPIO_2.8V(C200)
VANA_2.85V(C206)

VCORE_1.2V(C203)
VPERM_3.0V(C222)

VMEM_1.8V(C208)

NO

NO

NO

NO

Charge the Battery

1.
V, put more lead

2.If0

C369

@

Reassemble DomeSheet

1.

Download binary again

power management problem.

If you
do

.

Put more lead solder

each terminal

#2!!!

try and fail,

#1

YES

Check the OSC

C229,230)=

(

Check the OSC201

OSC1PIN,3PIN>=26MHz

Replace Board(PBA)

32.768

200

YES

YES

KHz

NO

?

?

NO

Back to

previous step

inner clock problem.

Put more lead solder

each terminal

Put more lead soler

each terminal

NO

8-4

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Is It power turned on?

YES

END

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8-5

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Level3Repair

※

8-6

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8-3-2.

SIM part

"

Insert SIM card" is displayed on the LCD

Check the connection of
SIM300,301 to SIM card

YES

Check the SIM Module

YES

Check the voltage

C333,

@

349 = 3.0V ?

YES

Replace Board(PBA)

NO

NO

NO

Back to

previous step

insert SIM card again

after check connection

SIM300,301

Replace the SIM module

Put more lead each terminal

Does Phone accept

NO

the SIM card?

YES

END

8-7

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8-8

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8-3-3.

GSM

RX

850

Phone can't catch GSM850 network

NORMAL CONDITION

catch the channel?

PAM100 CHECK

RFS100

@

Check the connection

GSM850 RX LINE

Check the voltage

PAM100@C111

-65

≥

YES

dBm

YES

YES

≥3.0

?

V?

NO

NO

NO

NO

Put more lead solder

L100,L101,C108,C107,

@

RFS100,C102,L108

Put more lead solder

RFS100,L108,C102

Put more lead solder
C118,L115,F100,C173

C174,L114

Put more lead solder

each terminal

CONTINUOUS RX ON

RF INPUT

mplitude

A

@

: 190

:-50

CH

dBm

YES

Replace Board(PBA)

Back to

previous step

Does Phone catch

the GSM850 network?

YES

END

8-9

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8-3-4.

GSM900 RX

Phone can't catch GSM900 network

NORMAL CONDITION

catch the channel?

YES

PAM100 CHECK

RFS100

@

Check the connection

GSM900 RX LINE

dBm

-65

≥

YES

YES

CONTINUOUS RX ON

RF INPUT
mplitude

A

NO

NO

?

NO

Put more lead solder

L100,L101,C108,C107,

@

RFS100,C102,L108

Put more lead solder

RFS100,L108,C102

Put more lead solder

C118,L115,C171,C172,L111

F100

@

:62

:-50

CH

dBm

Check the voltage

PAM100@C111

Replace Board(PBA)

≥3.0

YES

NO

V

Back to

previous step

Put more lead solder

each terminal

NO

Does Phone catch

the GSM900 network?

YES

END

8-10

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8-3-5.

DCS RX

Phone can't catch DCS network

NORMAL CONDITION

catch the channel?

YES

PAM100 CHECK

RFS100

@

Check the connection

DCS RX LINE

dBm

-65

≥

?

YES

NO

NO

NO

Put more lead solder

L100,L101,C108,C107,

@

RFS100,C102,L108

Put more lead solder

RFS100,L108,C102

Put more lead solder
C125,L120,F103,C126

C127,L119

CONTINUOUS RX ON

RF INPUT

mplitude

A

@

: 698

:-50

CH

dBm

Check the voltage

PAM100@C111

Replace Board(PBA)

YES

≥

YES

3.0V ?

NO

Back to

previous step

Put more lead solder

each terminal

NO

Does Phone catch
the DCS network?

YES

END

8-11

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8-3-6.

PCS RX

Phone can't catch PCS network

NORMAL CONDITION

catch the channel?

YES

PAM100 CHECK

RFS100

@

Check the connection

PCS RX LINE

dBm

-65

≥

?

YES

NO

NO

NO

Put more lead solder

L100,L101,C108,C107,

@

RFS100,C102,L108

Put more lead solder

RFS100,L108,C102

Put more lead solder
C125,L120,F103,C122

C123,L117

CONTINUOUS RX ON

RF INPUT

mplitude

A

@

: 644

:-50

CH

dBm

Check the voltage

PAM100@C111

Replace Board(PBA)

YES

≥

YES

3.0V ?

NO

Back to

previous step

Put more lead solder

each terminal

NO

Does Phone catch
the PCS network?

YES

END

8-12

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8-3-9.

GSM

850/900 TX

Can't makeacall in GSM network

NORMAL CONDITION

catch the channel?

YES

Check the connection

R114,C113,L107

YES

Check the voltage

PAM100@C111

3.0V ?

≥

NO

NO

NO

Put more lead solder

L100,L101,C108,C107,

@

RFS100,C102,L108

Put more lead solder

each terminal

Put more lead solder

each terminal

YES

Check TCXO CLOCK
OSC201Pin1,3=26MHz?

@

YES

Replace Board(PBA)

NO

Back to

previous step

Put more lead solder

each terminal

NO

Can Phone makeacall

GSM network?

YES

END

8-13

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8-3-10.

DCS/ PCS TX

Can't makeacall in DCS/PCS network

NORMAL CONDITION

catch the channel?

Check the connection

R107,C106,L102

Check the voltage

PAM100@C111

YES

YES

≥

3.0V ?

NO

NO

NO

Put more lead solder

L100,L101,C108,C107,

@

RFS100,C102,L108

Put more lead solder

each terminal

Put more lead solder

each terminal

YES

Check TCXO CLOCK
OSC201Pin1,3=26MHz?

@

YES

Replace Board(PBA)

NO

Back to

previous step

Put more lead solder

each terminal

NO

Can Phone makeacall

DCS/PCS network?

YES

END

8-14

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ANT110

12

RFS100

C

A

G

G

1

3

4

2

L108

C112

6

2
T
N

TX_EN

RAMP

TP112

R104

C119

SW_EN

17

TXEN

16

VRAMP

11

VSW_EN

V

V

V

V

S

S

S

S

C170

R

R

R

R

8

0

4

3

1

2

1

1

A

PAM100

G

G

G

G

G

G

G

3

4

4

4

G

G

G

G

G

G

8

9

0

1

2

3

4

5

6

7

3

3

4

4

4

3

3

3

3

3

L100

C108

L101

C107

VBAT

C164

C111

3

4

T

T

T

T

A

A

B

B

V

V

G

G

G

G

G

G

G

G

G

3

4

5

7

8

9

1

0

2

2

2

2

2

2

2

3

3

3

10

TX_HB_IN

9

TX_LB_IN

12

BS

19

RX1

21

RX2

G

G

G

G

G

G

G

6

7

8

5

1

2

5

2

1

2

L102

C106

R107

C165

L107

R114

C113

C167

BS

C118

C169

C125

HB_TX

C166C102

LB_TX

C168

4

3

2

G

G

G

GSM900_OUT
GSM900_OUT
GSM850_OUT

IN

GSM850_OUT

1

F100

L115

0

1

5

4

3

2

G

G

G

G

G

GSM1900_OUT
GSM1900_OUT
GSM1800_OUT
GSM1800_OUT

IN

1

F103

L120

C171

0

1

5

G

G

9

C172
8
7
6

C173

C174

C122

9
8

C123

7
6

C126

C127

EGSM_RX_N

L111

EGSM_RX_P

GSM850_RX_N

L114

GSM850_RX_P

PCS_RX_N

L117

PCS_RX_P

DCS_RX_N

L119

DCS_RX_P

R107 R114
C166

C168

L102 L107

C

C

C106

C113

1

1

6

7

9

0

C165

R104
C119

L

C173

1
1
4

C174

L

C171

1
1
1

C172

L

C126

1
1
9

C127

L

C122

1
1
7

C123

T
P
1
1
2

L

0

1

0

1

1

5

F

C118

3

C

L
1

0

1

2

2

1

0

5

F

C167

0

0

P

M

A

1

C111

C164

C

C

L
1

1

1

0

0

1

8

2

2

RFS100

T1

XTAL26M_IN

AC19

XTAL32K_IN

R1

XTAL26M_OUT

AC20

XTAL32K_OUT

C229 NC

7M26000055

1005

2

1

OSC200
ST3215SB32768E0HPWBB

2

1

NCC230

1005

C
2
0
1

C200

C
2

C

1

C214

2

9

2
7

C216

1

0

2

C

S

O

R104

L

C173

1
1
4

C174

C119

0

0

1

F

3

4

OSC201

8-15

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Level3Repair

8-3-13.

Microphone

Microphone does not work

Is the connection of

MIC300 O.K

Check voltage

C224

@

Check the connection

Replace Board(PBA)

≒

L305

?

YES

2.85V ?

YES

YES

NO

NO

NO

Back to

previous step

Put more lead solder

MIC300

@

Put more lead solder

C224

@

Put more lead solder

each terminal

NO

Does MIC work well?

ex.voice recording)

(

END

YES

8-16

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8-17

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8-3-14.

Earphone MIC

EarphoneMIC does not work

Is the connection of

Earphone MIC O.K

Check voltage

@

Check the connection

C224

2.85V ?

≒

L300, R301

YES

YES

NO

?

NO

NO

contact Earphone in Earjack

1.
connector again

Replace Earjack connector

2.

Put more lead solder

C224

@

Put more lead solder

each terminal

YES

Replace Board(PBA)

Back to

previous step

NO

Does MIC work well?

ex.voice recording)

(

YES

END

8-18

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8-19

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8-3-15.

Receiver

There is no sound from Receiver(call)

Is the soldering of

Receiver(RCV300) O.K

Check the connection

L311, L312

Replace Board(PBA)

YES

YES

NO

?

NO

Back to

previous step

Put more lead solder

1.
RCV300

@

Replace receiver

2.

Put more lead solder

L311, L312

@

NO

Can hear sound

from Receiver?

YES

END

8-20

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8-21

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8-3-16. S

peaker

There is no sound from Receiver(call)

Is the connection of

Speaker(SPK300) O.K

Check the connection

L314, L315

Replace Board(PBA)

YES

YES

NO

Connect speaker again

NO

1.

replace speaker

2.

Put more lead solder

L314, L315

@

NO

Can hear sound

from Receiver?

YES

END

?

Back to

previous step

8-22

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8-23

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Level3Repair

8-3-16.

Motor

There is no sound from Receiver(call)

Is the soldering of

Motor(Motor300) O.K

Check voltage

C335

Replace Board(PBA)

NO

?

YES

NO

3.3V

≒

YES

Back to

previous step

Put more lead solder

1.
Motor300

@

Replace Motor

2.

Put more lead solder

C335

@

NO

Can hear sound

from Receiver?

YES

END

8-24

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Level3Repair

8-3-17.

Camera

Occur'Camera fail'pop-up

Is the connection of

Camera O.K

Check voltage

C337

2.8

≒

Check voltage

C320

Replace Board(PBA)

V, C338

YES

2.8V

≒

YES

YES

≒

?

1.8V

NO

NO

NO

Back to

previous step

contact Camera again

1.
Check an alien substance

2.

in the SOC300

Replace Camera

3.

Put more lead solder

C337, C338

@

Put more lead solder

NO

@

C320

Can enter camera

mode?

END

YES

8-25

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8-26

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8-3-18.

FM radio

FM Radio does not work well

Is the connection of

earphone O.K

Check the connection

@

Check the voltage

C142=2.8V?

@

?

YES

C144

YES

NO

NO

NO

contact earphone again

1.
Replace earphone

2.

Put more lead solder

each terminal

Put more lead solder

each terminal

Check the connection

ZD304,L303

YES

Replace Board(PBA)

NO

Back to

previous step

Put more lead solder

each terminal

NO

Can you turn on

and search channel?

YES

END

8-27

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Level3Repair

VGPIO_2.8V

C142

R346

Z

L

D

3

3

0

0

3

4

C

C

1

1

4

3

4

6

5

9

8

7

1

1

1

1

1

1

C

D

A

C

C

C

N

N

D

C

N

N

G

V

N
G

12

ROUT

FM_R

11

LOUT

U102

10

GNDD

9

VCCIO

O

K

N

I

E

C

A

L

S

T

O

A

U

L

A

T

B

X

C

D

6

5

7

8

VGPIO_2.8V

FM_L

C146

FM_ANT

1

C
N

1

GNDRF

2

C144

C145

3

4

RFIN

NC

BUSMODE

32KHz_DIGIT

L

A

C

D

S

S

_

_

M

M

F

F

C301
NC

1005

C300

100KR300

ZD304
PESD5V0F1BL

3PI_ADC

1005

2.2KR301

EARMIC

1005

FM_ANT

C310

C311

2.2NF

2.2NF

1005

1005

R302

22

EAROUT_L

1005

22

R303

R304
270

1005

VGPIO_2.8V

EAROUT_R

1005

R308
100K

1005

3PI_DETECT

68PF

EAR1

2

CON-A

3

CON-B
CON-E

6

CON-F

7

CON-D

5

CON-C

4

IJAN4-115

5

5

5

7

7

7

0

0

0

-

-

-

1

1

1

A

A

A

A

A

A

A

A

A

5

5

5

1

1

1

1

0

9

1

1

0

S

S

S

3

3

3

E

E

E

R

R

R

X

X

X

V

V

L

L

V

L

L300 MMZ1005A182ET

C
N

2
1
3

C

R

N

V

50V

L301 MMZ1005A182ET
L302 MMZ1005A182ET

L312 MMZ1005A182ET

T

5

E

0

2

0

1

8
1
A
5
0
0
1

C305

C304

Z

3

NC

NC

0

M

3

M

L

1005

1005

R345

SHORT

0ohm

1005

R346
NC

1005

4

5

4

0

2

1

U

C

C

C

C

2

2

1

1

4

4

3

3

6

2

2

3

R

R

2

2

2

2

1

0

8-28

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Level3Repair

8-3-19.

Bluetooth

Can't activate or search any Bluetooth devices

Check the connection

C150,C156,C149,C151,

C161,L125

YES

Check the BT_CLK

OSC2011pin

C100=2.8V?

@

R100=1.5V?

@

=26

YES

MHz?

NO

NO

NO

Put more lead solder

1.

each terminal

Replace BT_ANT

2.

Put more lead solder

each terminal

Put more lead solder

each terminal

YES

Replace Board(PBA)

Back to

previous step

NO

Can it Bluetooth

activating&searching?

YES

END

8-29

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Level3Repair

BT_LDO_1.5V

VBT_2.8V

C100

VBT_2.8V

C104

1

G

S

O

I

D

D

A

A

P

R

_

SPI_CLK

_

D

D

D

SPI_CS#

D

V

V

SPI_MISO
SPI_MOSI

VREGIN_H
VREGIN_L

VREGOUT_H

VREGENABLE

XTAL_IN

XTAL_OUT

LO_REF

TEST_EN

N
E

O

I

E

D

R

A

C

R

S

_

_

S

S

S

S

V

V

3
F

C105

C103

H1

R103

E4
F4

G2

A5
B2
A4
A6

E2

RF_N

F2

RF_P

C117

A3
A2

G3

RST#

B3
G5

C2

N|CS

D2

N|CS

D4

N|CS

F5

N|CS

1

NC

2

NC

BT_CLK

TP101

BT_RST

C121

C120

3

2

4

1

OSC201

7M26000055

BT_LDO_1.5V

C229 NC

1

ST3215SB32768E0HPWBB

2

C115

F102

4

BAL

D

6

N

BAL

G

|
C

C

D

N

3

2

L118

C124

C
2
0
1

C200
C214
C216

0

2

1

L

C173

1
1
4

C174

1005

OSC200

NCC230

1005

R101

R100

R102

B4

AIO0

C4

PIO0

B5

PIO1

C5

PIO2

C6

PIO3

E7

PIO4

B7

PIO5

D5

PIO7

C7

PIO9

G4

PCM_IN

H2

PCM_OUT

H3

PCM_CLK

H4

PCM_SYNC

G7

SDIO_DATA0|CSPI_MISO|UART_TX

F6

SDIO_DATA1|CSPI_INT|UART_RTS

F7

SDIO_DATA2|UART_RX

G6

SDIO_DATA3|CSPI_CS#|UART_CTS

H7

SDIO_CLKCSPI_CLK

D6

SDIO_CMDCSPI_MOSI

E5

SDIO_SD_CS#

E6

CLK_32K

C109

7

6

7

1

A

H

D

A

S

E

A

D

R

N

A

A

O

_

P

C

_

D

_

D

D

D

D

V

D

V

V

U101

A

G

G

N

I

I

O

A

D

D

L

_

_

_

_

S

S

S

S

S

S

S

S

V

V

V

V

3

6

5

1

1
E

C

B

H

C

T1

XTAL26M_IN

AC19

XTAL32K_IN

R1

XTAL26M_OUT

AC20

XTAL32K_OUT

VBT_2.8V

WLAN_ACTIVE

SPI_DATAIN

BT_INT

nBT_CS
SPI_CLK

SPI_DATAOUT

R
1
0
0

C109

F102

BT_PRIORITY
BT_ACTIVE

DD

DU
DCL
FSC

0
0
1
U

R

R

1

1

0

0

1

2

1
0
1
U

TP100

TP102
TP103

TP105
TP106
TP107

32KHz_DIGIT_P

R105

L310
C340

C
1
0
1

C
1
0
0

2

0

1

P

T

6

0

1

P

T

7

P

0

T

1

1
0
1
P
T

C
1
0
5

C161
L125

C

C

1

1

5

5

1

7

SYS_CLK_REQ

TP103TP105

C103

TP100

C

R105

1
1
5

R103

C
1

C117

2
0

C121

C
1
0
4

L118
C124

C
1
5
0

C
1
4
9

C
1
5
6

UNBAL

VBAT

U100

4

VDD

3

CE

BT_EN

1

G57G8G

C
2

1

C
2

9

2
7

C

S

O

R104
C119

0

0

1

F

D
N
G

5

C161

VBT_2.8V

1

VOUT

2

GND

C101

C151

L125

C157

C149C150

C156

8-30

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Level3Repair

8-3-22.

LCD

LCD does not work

Is the connection of LCD

O.K

?

YES

Check the connection

C308, C309

YES

Replace Board(PBA)

NO

NO

Back to

previous step

contact LCD again

1.
Replace LCD

2.

Put more lead solder

each terminal

NO

Does LCD work well?

YES

END

8-31

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This Document can not be used without Samsung's authorization

Level3Repair

8-32

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

Schematic Diagram

8-4.

NC Point

-

8-33

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization