Samsung GT-E2100B Manuale utente

GSM TELEPHONE

GSM TELEPHONE CONTENTS

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts List

6. Main Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

9. Flow Chart of Troubleshooting

10. Reference data

11. Disassembly and Assembly

instructions

efrcom efrcom

GT-E2100B

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9. Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-1

9-1. Power On

NotOK

Not OK

Check VPERM_3.0V,

VANA_2.85V, VRF_2.85V,

VSIM_3.0V, VMEM_1.8V,

VGPIO_2.8V of UCP200 Check the UCP200

END

Check the pin 1of

OSC201 produces clock

signal Solder OSC201 again

Check the R113

concerning about Jig

Power on Solder R113 again

Is Power On working?

Repeat sequence

Yes

Change battery

Check battery voltage

is higher than 3.3V

Yes

'POWER ON' does not work

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-2

L201

BLM15AG121SN1 D

OSC201

MC-146(32.768KHz,20ppm )

UART1_RD W5

UART1_RTS W6

ICHGN W8

ICHGP W9

PMU_VRF W13

PMU_VANA W14

PMU_VIO W15

UART1_CTS V7

POK_OUT V8

ACC_DET_IN V9

PMU_VPERM W12

UART1_TD V5

SSI_OUT U2

PMU_VSIM V14

PMU_VMEM V15

PWM_OUT1 T5

PWM_OUT2 T6

PWM_OUT0 T7

POK_IN T8

SSI_DATA U1

SSI_SEL2 T2

SSI_CLK T1

SSI_SEL0 R1

UART0_RD L18

XTAL_32K_ 1 L19

UART0_TD K18

XTAL_32K_2 K19

PCM_CLK J19

SSI_SEL1 J2

PCM_SYNC J18

SIM_DATA H18

SIM_CLK H19

PCM_DI H15

PCM_DO H16

SIM_RST G16

RFIL_N G1

RFIL_P F1

RFID_N E1

RFID_P D1

XTAL_SHLD B6

XTAL_SHLD B7

XTAL_SHLD B8

RFIP_N C1

XTAL_SHLD B5

RFIP_P B1

NCS1 B12

RFOL A2

XTAL_SHLD A5

XTAL_26M_2 A6

XTAL_26M_1 A7

XTAL_SHLD A8

NCS2 A11

NCS0

UCP200

PNX4902ET

RFOH A1

SQ3D02600C2LJA

OSC200

VMEM_1.8V

UART1_CTS

ONKEY_1

AUX_DET

VPERM_3.0V

VRF_2.85V

VANA_2.85V

VGPIO_2.8V

UART1_RD

UART1_RTS

ICHGN

ICHGP

BUS_ENABL E

R_INT

ONKEY_2

LCD_BL_EN

VSIM_3.0V

UART1_TD

DCSRX_N

EGSMRX_P

EGSMRX_N

SIM_RST

SIM_DATA

SIM_CLK

FSC

DCL

UART0_RD

UART0_TD

DCS_TX

NCSRAM

NC_BACKEND

EGSM_TX

NCSFLASH

DCSRX_P

L117

ZD102

VCHG_5V

L109

C144 C146

L112

VBAT

L110

R115

R112

NC 27

NC 21

NC 23

NC 24

20 20

12 12

14 14

16 16

IFC100

HY20-AB0310

C145

R1131

L111

R111

L114

C143

C147

R119

ZD101

R114

EAR_SW

JIG_ON

EAR_N

EAR_P

UART1RD

EAR_MIC_N_IF

UART1TD

UART0_RD

AUX_DET

VCM_OUT

R_ANT

UART1_TD_IF

UART1_RD_IF

JIG_ON_IF

UART0_TD

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Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-3

C131

C133

C134 C137

C138

C139

C144C145

C147

C149

C150

C151

C202

C212

C213

C230 C233

C236

C300

C301

C302

C303

C304

C305

C306

C307

C308 C309

C310 C311

C312

C315

C326

C338

C339

C344

C345

C346

C347

D300

L120

L121

L124

L300

L301

L304

OSC201

R107

R108

R109

R110

R111 R112 R113

R114 R115

R119

R200

R217

R219

R301

R303

R304

R305

R313

R314

R316

SIM200

TA101

TP200

TP201

TP300

TP301

TP304

U300

U301

UME200

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Flow Chart of Troubleshooting

9-4

9-2. SIM Part

"Insert SIM" is displayed on the LCD

VSIM_3.0V at the pin#1

SIM200 = "H"?

No Check the SIM Power

Yes

Is there any signal pin

#2,3,4 of SIM200? Check UCP200

Yes

Check the SIM Card

END

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Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-5

VSIM_3.0V

R219

C233 88 99 G

1314

1516

C230 11 11

1212

5000-6P-1.9S

SIM200

1010

SIM_RST

SIM_CLK

SIM_DATA

C212

C213

C300

C301

C303

C304

C305

L301

L304

R217

R305

SIM200

TP301

TP304

U300

U301

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-6

9-3. Microphone Part -Phone MIC

Phone MIC does not work

Yes

Not OK

Check the connection

of MIC Solder MIC again

Yes

Replace MIC

Is Phone MIC working?

Solder L120, L121, L124, R108, R110,

C133, C139 and TA101 again

Check the components

which are connected to

MIC_BIAS

Solder L122, L123, D100 and D101

again.

Check the circuit

of MIC PART

END

Not OK

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Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-7

MAIN_MIC

L120

MIC_PAD

C132R108

C135

D100

C137

C142

L124

L121

C141

TA101

D101

C133

L122

L123

C139

R110

MIC_BIAS

C130

MIC_P

MIC_N

BAT200

C129

C131

C132

C133

C134 C137

C138

C139

C140

C141

C149

C150

C151

C202

C216

C217

C218

C219

C228

C232

C234

L120

L121

L124

OSC201

R107

R108

R109

R110

R119

R200

R201

R210

TA101

TP_GND

TP201

TP208

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Flow Chart of Troubleshooting

9-8

9-4. Microphone Part -Earphone MIC

Earphone MIC does not work

Yes

Not OK

Check the connection

of IFC100 Solder pin 3of IFC100 again

Solder L109, L110 and R220 again

Check the circuit

of EAR MIC

Solder L120, L121, L124, R108, R110,

C133, C139 and TA101 again

Check MIC_BIAS.

(When UCP200 operates

and call is connected )

END

Not OK

Is Earphone MIC working? Repeat the sequence

Yes

Not OK

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Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-9

L117

ZD102

VCHG_5V

L109

C144 C146

L112

VBAT

L110

R115

R112

NC 27

NC 21

NC 23

NC 24

20 20

12 12

14 14

16 16

IFC100

HY20-AB0310

C145

R1131

L111

R111

L114

C143

C147

R119

ZD101

R114

EAR_SW

JIG_ON

EAR_N

EAR_P

UART1RD

EAR_MIC_N_IF

UART1TD

UART0_RD

AUX_DET

VCM_OUT

R_ANT

UART1_TD_IF

UART1_RD_IF

JIG_ON_IF

UART0_TD

MAIN_MIC

L120

MIC_PAD

C132R108

C135

D100

C137

C142

L124

L121

C141

TA101

D101

C133

L122

L123

C139

R110

MIC_BIAS

C130

MIC_P

MIC_N

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