Samsung SGH-E700 service manual

SGH-E700

SERVICE Manual

GSM TELEPHONE CONTENTS

1. Specification

2. Circuit Description

3. Exploded Views and Parts List

4. Electrical Parts List

5. Block Diagrams

6. PCB Diagrams

7. Flow Chart of Troubleshooting

GSM TELEPHONE

ELECTRONICS

Samsung Electronics Co.,Ltd. June. 2003Printed in Korea.

Code No.: GH68-04050A

BASIC.

ⓒ

This Service Manual is a property of Samsung Electronics Co.,Ltd.Any unauthorized use of Manual can be punished under applicableInternational and/or domestic law.

SAMSUNG Proprietary-Contents may change without notice

1. SGH-E700 Specification

This Document can not be used without Samsung's authorization

1-1

GSM900Phase 1

EGSM 900Phase 2

DCS1800Phase 1

Freq. Band[MHz]Upl ink/Downlink

890~915935~960

880~915925~960

1710~17851805~1880

ARFCN range 1~1240~124 &975~1023

512~885

Tx/Rx spac ing 45MHz 45MHz 95MHz

Mod. Bi t rate/Bi t Per iod

270.833kbps3.692us

270.833kbps3.692us

270.833kbps3.692us

Time SlotPer iod/Frame Period

576.9us4.615ms

576.9us4.615ms

576.9us4.615ms

Modula t ion 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm

Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl

Sensi t iv i ty -102dBm -102dBm -100dBm

TDMA Mux 8 8 8

Cel l Radius 35Km 35Km 2Km

1. GSM General Specification

SAMSUNG Proprietary-Contents may change without noticeThis Document can not be used without Samsung's authorization

SGH-E700 Specification

1-2

TX Power

control levelGSM900

5 33±2 dBm

6 31±2 dBm

7 29±2 dBm

8 27±2 dBm

9 25±2 dBm

10 23±2 dBm

11 21±2 dBm

12 19±2 dBm

13 17±2 dBm

14 15±2 dBm

15 13±2 dBm

16 11±3 dBm

17 9±3dBm

18 7±3 dBm

19 5±3 dBm

TX Power

control levelDCS1800

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

2. GSM TX power class


2. SGH-E700 Circuit Description


2-1

1. SGH-E700 RF Circuit Description

1) RX PART

1. ASM(F101) → Switching Tx, Rx path for GSM900, DCS1800 by logic controlling.

2. ASM Control Logic (U102, U103) → Truth Table

VC_1 VC_2

GSM Tx Mode L H

DCS Tx Mode H L

GSM Rx Mode L L

DCS Rx Mode L L

3. FILTER

To convert Electromagnetic Field Wave to Acoustic Wave and then pass the specific frequency band.

- GSM FILTER (C105,C107,L101) → For filtering the frequency band between 925 ~ 960 MHz

- DCS FILTER (C110,C113,L103) → For filtering the frequency band 1805 and 1880 MHz.

4. TC-VCXO (OSC100)

To generate the 13MHz reference clock to drive the logic and RF.

After additional process, the reference clock applies to the U101 Rx IQ demodulator and Tx IQ modulator.

The oscillator for RX IQ demodulator and Tx modulator are controlled by serial data to select channel and use fast lock

mode for GPRS high class operation.

5. OM5178 (U100)

This chip integrates two differential-input LNAs.

The GSM input supports the E-GSM, DCS input supports the DCS1800. The LNA inputs are matched to the 200 ohm

differential output SAW filters through eternal LC matching network.

Image-reject mixer downconverts the RF signal to a 100 KHz intermediate frequency(IF) with the RFLO from VOL1861

frequency synthesizer. The RFLO frequency is between 1801 ~ 1921 MHz.

The Mixer output is amplified with an analog programmable gain amplifier(PGA), which is controlled by AGAIN.

The quadrature IF signal is digitized with high resolution A/D converts (ADC).

2) TX PART

Baseband IQ signal fed into offset PLL, this function is included inside of U100 chip.

OM5178 chip generates modulator signal which power level is about 1.5dBm and fed into Power Amplifier(PAM100).

The PA output power and power ramping are well controlled by Auto Power Control circuit.

We use offset PLL below table.


SGH-E700 Circuit Description

2-2

Modulation Spectrum

200kHz offset30 kHz bandwidth

GSM -35dBc

DCS -35dBc

PCS -35dBc

400kHz offset30 kHz bandwidth

GSM -66dBc

DCS -65dBc

PCS -66dBc

600kHz ~ 1.8MHz offset30 kHz bandwidth

GSM -75dBc

DCS -68dBc

PCS -75dBc

2. Baseband Circuit description of SGH-E700

1. PCF50601

1.1. Power Management

Ten low-dropout regulators designed specifically for GSM applications power the terminal and help ensure optimal system

performance and long battery life. A programmable boost converter provides support for 1.8V, 3.0V, and 5.0V SIMs,

while a self-resetting, electronically fused switch supplies power to external accessories. Ancillary support functions, such

as RTC module and High Voltage Charge pump, Clock generator, aid in reducing both board area and system complexity.

I2C BUS serial interface provides access to control and configuration registers. This interface gives a microprocessor full

control of the PCF50601 and enables system designers to maximize both standby and talk times.

Supervisory functions. including a reset generator, an input voltage monitor, and a temperature sensor, support reliable

system design. These functions work together to ensure proper system behavior during start-up or in the event of a fault

condition(low microprocessor voltage, insufficient battery energy, or excessive die temperature).

1.2. Backlight Brightness Modulator

The Backlight Brightness Modulator (BBM) contains a programmable Pulse-width modulator (PWM) and FET

to modulate the intensity of a series of LED’s or to control a DC/DC converter that drives LCD backlight.

This phone (SGH-E700) is not use PWM, but use DC CONTROL (BL_VDD)

So "BL_VDD" voltage is high value, backlight brigtness is gloomy and "BL_VDD" voltage is low value, backlight is

bright.

1.3. Clock Generator

The Clock Generator (CG) generates all clocks for internal and external usage. The 32768 Hz crystal

oscillator provides an accurate low clock frequency for the PCF50601 and other circuitry.

2. Connector

2-1. LCD Connector

LCD is consisted of main LCD(color 65K TFT LCD) and small LCD(256 EL LCD). Chip select signals in the U302,

LCD_MAIN_CS and LCD_SUB_CS, can enable Each LCD. LCD_MAIN_CS signal enables white LED of main LCD and

LCD_SUB_CS signal enables EL of small LCD. These two signals are from IO part of the DSP in the U302(alpha chip).




2-3

"RESET_2V8" signal initiates the Reset process of the LCD.

16-bit data lines(LD(0)~LD(15)) transfers data and commands to LCD through by pass capacitor. Data and commands use

"RS" signal. If this signal is high, Inputs to LCD are commands. If it is low, Inputs to LCD are data. The signal which

informs the input or output state to LCD, is required. But this system is not necessary this signal. So "L_WR" signal is

used to write data or commands to LCD. Power signals for LCD are "VBAT" and "VDD2".

"SPK_P" and "SPK_N" from OM6357 are used for audio speaker. And "VDD_VIB" from PCF50601 enables the motor.

2-3. IRDA

This system uses IRDA module, HSDL_3208, Agilent's. This has signals, "IRDA_DOWN"(enable signal), "RXD0"(input

data) and "TXD0"(output data). These signals are connected to OM6357. It uses two power signals. "VDD2" is used for

circuit and "VBAT" is used for LED.

2-4. Key

This is consisted of key interface pins among OM6357, KBIO(0:7). These signals compose the matrix. Result of matrix

informs the key status to key interface in the OM6357. Power on/off key is seperated from the matrix. So power on/off

signal is connected with PCF50601 to enable PCF50601. twelve key LED use the "VBAT" supply voltage. "VDD_KEY"

signal enables LEDs with current control. "FLIP" informs the status of folder (open or closed) to the OM6357. This uses

the hall effect IC, A3210ELH. A magnet under main LCD enables A3210ELH.

2-5. EMI ESD Filter

This system uses the EMI ESD filter, EMIF09 to protect noise from IF CONNECTOR part.

2-6 IF connetorIt is 18-pin connector. They are designed to use VBAT, V_EXT_CHARGE, TXD0, RXD0, RTS0, CTS0, JIG_REC,

CHARGER_OK, RXD1, TXD1, AUX_MIC, AUX_SPK and GND. They connected to power supply IC, microprocessor

and signal processor IC.

3. Battery Charge Managementa complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries.

If ta connected to phone, "V_EXT_CHARGE" enable charger IC and supply current to battery.

when fault condition caused, "CHG_ON" signal level change low to high and charger IC stop charging

process.

4. AudioEARP_P and EARP_N from OM6357 are connected to the main speaker. AUXSP is connected to the Hands free kit.

MIC_P and MIC_N are connected to the main MIC. And AUX_MIC_P and AUX_MIC_N are connected to the Hands

free kit.

YMU762MA3 is a LSI for portable telephone that is capable of playing high quality music by utilizing FM synthesizer

and ADPCM decorder that are included in this device.

As a synthesis, YMU762MA3 is equipped 32 voices with differenttones. Since the device is capable of simultaneously

generating up to synchronous with the play of the FM synthesizer, various sampled voices can be used as sound effects.

Since the play data of YMU762MA3 are interpreted at anytime through FIFO, the length of the data(playing period) is

not limited, so the device can flexiblysupport application such as incoming call melody music distribution service.



2-4

The hardware sequencer built in this device allows playing of the complex music without giving excessive load to the

CPU of the portable telephones. Moreover, the registers of the FM synthesizer can be operated directly for real time

sound generation, allowing, for example, utilization of various sound effects when using the game software installed in the

portable telephone.

YMU762 includes a speaker amplifier with high ripple removal rate whose maximum output is 550mW (SPVDD=3.6V).

The device is also equipped with conventional function including a vibartor and a circuit for controlling LEDs

synchornous with music.

For the headphone, it is provided with a stereophonic output terminal.

For the purpose of enabling YMU762MA3 to demonstarte its full capablities, Yamaha purpose to use "SMAF:Synthetic

music Mobile Application Format" as a data distribution format that is compatible wiht multimedia. Since the SMAF takes

a structure that sets importance on the synchronization between sound and images, various contents can be written into it

including incoming call melody with words that can be used for traning karaoke, and commercial channel that combines

texts, images and sounds, and others. The hardware sequencer of YMU762MA3 directly interprets and plays blocks

relevant to systhesis (playing music and reproducing ADPCM with FM synthesizer) that are included in data distributed in

SMAF.

5. Memorysignals in the OM6357 enable two memories. They use only one volt supply voltage, VDD3 in the PCF50601. This

system uses Samsung's memory, KBB06A300M-T402. It is consisted of 128M bits flash NOR memory and 128M bits

flash NAND memory and 32M bits UtRAM. It has 16 bit data line, HD[0~15] which is connected to OM6357 and

MV317S. It has 23 bit address lines, HA[1~23]. CS_NAND and NCSRAM signals is chip select. Wrting process,

HWR_N is low and it enables writing process to flash memory and SRAM. During reading process, HRD_N is low and

it enables reading process to flash memory and SRAM. Each chip select signals in the OM6357 select memory among 2

flash memory and UtRAM. Reading or writing procedure is processed after HWR_N or HRD_N is enabled. Memories use

reset, which is VDD3 delay from PCF50601. HA[22] signal enables lower byte of SRAM and HA[22] signal enables

higher byte of SRAM.

6. OM6357

OM6357 is consisted of ARM core and DSP core. It has 8x1Kword on-chip program/data RAM, 55 Kwords

on-chip program ROM in the DSP. It has 4K*32bits ROM and 2K*32bits RAM in the ARM core. DSP is consisted

of KBS, JTAG, EMI and UART. ARM core is consisted of EMI, PIC(Programmable Interrupt Controller),

reset/power/clock unit, DMA controller, TIC(Test Interface Controller), eripheral bridge, PPI, SSI(Synchronous Serial

Interface), ACC(Asynchronous communications controllers), timer, ADC, RTC(Real-Time Clock) and keyboard interface.

KBIO(0:7), address lines of DSP core and HD[0~15]. HA[1~23], address lines of ARM core and HD[0~15], data lines of

ARM core are connected to memory, YMU759. MV317S(Camera DSP Chip) controls the communication between ARM

core and DSP core.

CS_NAND, NCSRAM, NCSFLASH in the ARM core are connected to each memory. HWR_N and HRD_N control the

process of memory. External IRQ(Interrupt ReQuest) signals from each units, such as, PMU need the compatible process.

KBIO[0~7] receive the status from key and RXD0/TXD0/irDA_DOWN are used for the communicatios using IRDA and

data link cable(DEBUG_DTR/RTS/TXD/RXD/CTS/DSR).

It has JTAG control pins(TDI/TDO/TCK) for ARM core and DSP core. It recieves 13MHz clock in CKI pin from

external TCXO. ADC(Analog to Digital Convertor) part receives the status of temperature, battery type and battery voltage.




2-5

7. TCO-9141D(13MHz)

This system uses the 13MHz TCXO, TCO-9141D, Toyocom. AFC control signal form OM6357 controls frequency from

13MHz x-tal. It generates the clock frequency. This clock is connected to OM6357, YMU762 and OM5178.

9.Camera DSP(MV317SA)Tiger is an Integrated circuit for mobile phone camera. This structure will allow effectiveness for

large data management and significantly reduces main processor will get burden.

In hence, Tiger will allow the user to be able to display to LCD direct without burdening the main

processor. It also allows to have various kinds of display size on the LCD and snapshot for Jpeg. Digital

effect will also be executed on real time base resulting Tiger as being a video co-processor in the

mobile platform.

Also,an i80 type processor’ s 16bit parallel interface of Tiger makes it available for the CPU to interchange the data

with Tiger. As the additional 8Mbit is usable except 2Mbit buffer embedded in Tiger, the diverse UI data processing

which is not a burden to the CPU is available. JPEG encoder and decoder are baseline ISO/IEC 10918-1

JPEG compliance (DCT-based). JPEG decoder supports YUV444, YUV422, YUV420 and YUV411 format

standard JPEG image.


3. SGH-E700 Exploded View and its Parts list


3-1

1. Cellular phone Exploded View

1

2

3

4

5

10

11

12

8

9

13

14

15 17

1820

22

23

24

2527

19

16

7

6

21

26


SGH- E700 Exploded view and its Part list

3-2

LocationNO.

Description SEC CODE Remark

1 FOLDER UPPER GH75-03647A

2 DUAL LCD GH07-00397A

3 MOTOR 3101-001368

4 SPEAKER 3001-001444

5 MAIN LCD GH07-00190A

6 CAMERA FPCB GH59-00903A

7 CAMERA GH59-00900A

8 FOLDER LOWER GH75-02917A

9 WINDOW LCD GH75-02919A

10 SCREW 6001-001811

11 SCREW CAP(R) GH73-01890A

12 SCREW CAP(L) GH73-01891A

13 FRONT COVER GH75-02912A

14 KEYPAD GH75-03646A

15 MAIN PBA GH92-01568A

16 DOME SHEET GH59-00901A

17 VOLKEY FPCB GH59-00902A

18 CONNECTOR COVER GH73-01394A

19 MIC GH30-00045A

20 INTENNA GH42-00315A

21 SCREW 6001-001812

22 RF COVER GH73-01894A

23 CAMERA KEY GH75-02915A

24 SIDE KEY GH75-02914A

25 SCREW 6001-001635

26 REAR COVER GH75-02918A

27 BATTERY GH43-00987A

2. Cellular phone Parts list


SGH-E700 Exploded view and its Part list


3-3

3. Test Jig (GH80-01909A)

3-1. RF Test Cable

(GH39-00172A)

3-2. Test Cable

(GH39-00217A)

3-3. Serial Cable

3-4. Power Supply Cable 3-5. DATA CABLE

(GH39-00219A)

3-6. TA

(GH44-00482A)


4. SGH-E700 MAIN Electrical Parts List


4-1

SEC CODE Design LOC

0405-001122 D101

0406-001104 ZD600

0406-001104 ZD601

0406-001104 ZD700

0406-001104 ZD701

0501-000225 TR100

0504-001060 U102

0504-001060 U103

0504-001134 TR500

0505-001332 TR501

0505-001423 U601

0506-000107 TR700

0601-001647 LED600

0601-001647 LED601

0601-001647 LED602

0601-001647 LED603

0601-001647 LED611

0601-001647 LED605

0601-001647 LED608

0601-001647 LED607

0601-001819 LED604

0601-001819 LED606

0601-001819 LED609

0601-001819 LED610

0604-001261 IRD600

0801-002237 U300

0801-002529 U411

0801-002882 U305

0801-002882 U202

0801-002882 U201

SEC CODE Design LOC

1001-001253 U602

1009-001010 U600

1109-001280 UME300

1201-001954 PAM100

1202-001036 U604

1203-002076 U304

1203-002824 U101

1203-002980 U501

1204-001960 U301

1205-002264 U100

1205-002276 UCP200

1205-002350 U400

1404-001221 V500

1405-001082 VR600

1405-001082 VR601

1405-001082 VR602

1405-001082 VR603

1405-001082 VR604

1405-001128 VR700

1405-001128 VR701

2007-000137 R504

2007-000140 R315

2007-000141 R205

2007-000141 R206

2007-000141 R307

2007-000142 R101

2007-000142 R102

2007-000142 R105

2007-000142 R106

2007-000142 R112


SGH-E700 Electrical Parts List

4-2

SEC CODE Design LOC

2007-000146 R306

2007-000148 R130

2007-000148 R131

2007-000148 R201

2007-000148 R212

2007-000148 R400

2007-000148 R605

2007-000148 R621

2007-000148 R700

2007-000148 R701

2007-000148 R119

2007-000151 R115

2007-000151 R110

2007-000153 R309

2007-000153 R114

2007-000155 R122

2007-000157 R208

2007-000157 R209

2007-000157 R207

2007-000162 R308

2007-000162 R310

2007-000162 R311

2007-000162 R313

2007-000162 R317

2007-000162 R318

2007-000162 R500

2007-000162 R501

2007-000162 R502

2007-000162 R503

2007-000162 R601

SEC CODE Design LOC

2007-000162 R602

2007-000162 R620

2007-000162 R200

2007-000171 R304

2007-000171 R403

2007-000171 R404

2007-000171 R604

2007-000171 R606

2007-000171 R124

2007-000172 R203

2007-000172 R202

2007-000242 R607

2007-000242 R603

2007-000636 R510

2007-000636 R509

2007-000775 R126

2007-000775 R125

2007-000932 R113

2007-000982 R111

2007-001288 R107

2007-001290 R120

2007-001290 R117

2007-001292 R211

2007-001301 R608

2007-001301 R609

2007-001301 R610

2007-001301 R611

2007-001301 R612

2007-001301 R613

2007-001301 R614




4-3

SEC CODE Design LOC

2007-001301 R615

2007-001301 R616

2007-001301 R617

2007-001301 R618

2007-001301 R619

2007-001301 R600

2007-001313 R301

2007-001313 R127

2007-001319 R305

2007-001325 R402

2007-001325 R303

2007-001339 R512

2007-001339 R511

2007-002796 R312

2007-002797 R118

2007-003001 R100

2007-003019 R104

2007-003019 R103

2007-003030 R121

2007-007001 R204

2007-007008 R109

2007-007008 R108

2007-007009 R123

2007-007014 R302

2007-007014 R300

2007-007100 R401

2007-007100 R314

2007-007156 R506

2007-007334 R624

2007-007334 R508

SEC CODE Design LOC

2007-007480 R625

2007-007573 R505

2007-007588 R116

2007-007588 R128

2007-007588 R507

2007-007981 R623

2007-008312 R622

2203-000233 C123

2203-000233 C124

2203-000233 C125

2203-000233 C130

2203-000233 C131

2203-000233 C133

2203-000233 C135

2203-000233 C146

2203-000233 C300

2203-000254 C102

2203-000254 C103

2203-000254 C140

2203-000254 C201

2203-000254 C202

2203-000254 C314

2203-000254 C315

2203-000254 C409

2203-000278 C122

2203-000278 C151

2203-000278 C152

2203-000278 C406

2203-000278 C600

2203-000278 C608



4-4

SEC CODE Design LOC

2203-000278 C612

2203-000330 C114

2203-000330 C317

2203-000330 C318

2203-000330 C407

2203-000330 C413

2203-000330 C602

2203-000330 C614

2203-000374 C137

2203-000425 C107

2203-000425 C105

2203-000438 C302

2203-000438 C319

2203-000438 C621

2203-000438 C622

2203-000438 C108

2203-000585 C118

2203-000585 C119

2203-000585 C120

2203-000585 C117

2203-000628 C136

2203-000628 C143

2203-000628 C144

2203-000679 C301

2203-000812 C100

2203-000812 C106

2203-000812 C121

2203-000812 C203

2203-000812 C208

2203-000812 C626

SEC CODE Design LOC

2203-000812 C702

2203-000812 C703

2203-000812 C704

2203-000812 C705

2203-000812 C706

2203-000812 C707

2203-000812 C708

2203-000812 C709

2203-000812 C710

2203-000812 C711

2203-000812 C712

2203-000812 C713

2203-000812 C714

2203-000812 C715

2203-000812 C716

2203-000812 C717

2203-000836 C116

2203-000836 C132

2203-000854 C134

2203-000885 C147

2203-000885 C700

2203-000995 C145

2203-000995 C607

2203-000995 C616

2203-000995 C617

2203-001017 C112

2203-001072 C127

2203-001178 C110

2203-001178 C113

2203-001383 C115




4-5

SEC CODE Design LOC

2203-001432 C316

2203-001437 C601

2203-001437 C613

2203-001598 C416

2203-001598 C419

2203-001607 C126

2203-001652 C414

2203-001652 C425

2203-002443 C138

2203-002443 C604

2203-002687 C308

2203-005050 C609

2203-005061 C206

2203-005061 C207

2203-005061 C209

2203-005061 C210

2203-005061 C211

2203-005061 C212

2203-005061 C213

2203-005061 C214

2203-005061 C215

2203-005061 C216

2203-005061 C217

2203-005061 C218

2203-005061 C219

2203-005061 C303

2203-005061 C304

2203-005061 C307

2203-005061 C313

2203-005061 C400

SEC CODE Design LOC

2203-005061 C401

2203-005061 C403

2203-005061 C500

2203-005061 C605

2203-005061 C606

2203-005061 C611

2203-005061 C204

2203-005061 C205

2203-005061 C150

2203-005065 C422

2203-005065 C111

2203-005065 C139

2203-005148 C417

2203-005481 C129

2203-005482 C421

2203-005482 C620

2203-005482 C623

2203-005482 C412

2203-005482 C309

2203-005496 C305

2203-006053 C502

2203-006053 C431

2203-006053 C149

2203-006053 C428

2203-006053 C430

2203-006053 C429

2203-006053 C426

2203-006053 C306

2203-006053 C415

2203-006090 C424



4-6

SEC CODE Design LOC

2203-006090 C423

2203-006093 C310

2203-006093 C312

2203-006201 C603

2203-006208 C311

2203-006208 C402

2203-006208 C410

2203-006208 C418

2203-006274 C148

2301-001512 C128

2404-001105 C408

2404-001105 C427

2404-001151 C141

2404-001151 C142

2703-001709 L108

2703-002198 L107

2703-002199 L100

2703-002201 L105

2703-002205 L106

2703-002370 L102

2703-002519 L101

2703-002586 L104

2703-002597 L702

2703-002597 L701

2703-002597 L700

2703-002608 L103

2801-004025 OSC400

2801-004285 OSC300

2806-001305 VCO100

2806-001310 VCO101

SEC CODE Design LOC

2809-001271 OSC100

2901-001246 U500

2904-001417 F100

2904-001424 F102

2909-001197 F101

3705-001242 RFS100

3709-001250 SIM400

3710-001611 IFC500

3711-005159 HDC700

3711-005445 BTC500

3722-001715 EAR600

4302-001119 C411

GH13-00019A U302


5. SGH-E700 Block Diagrams

5-1

1. RF Solution Block Diagram

DIV

PFD

1:65

1:1/2

QUAD

Balun

Balun

REFINVCTCXO

13 MHz

1:1/2

1:1/2

I+

I-

Q+Q-

~~

pi -PAD

Antennaswich

controlcircuits

EGSM_MODE_SW

VCC_RX_TX

Vc_EGSM

GSM

DCS

DCS_MODE_SW

Vc_DCS

EPCOS EGSM RX SAW FilterB7820(2X1.4)

IL=2.7dB typ 3.2dB maxRipple=0.9dB typ 1.6dB max

SAWTEK DCS RX SAW Filter856079 (2X2.5)

IL=3.0dB typ 3.5dB maxRipple=1.1dB typ 1.6dB max

Vcc_RFVCO

? ? ? ? Dualband RF VCOVOL1861N27KRB(8.0X6.0)Freq = 1801MHz(Vt=0.6V ) to 1921MHz(Vt=2.3V )Pout = -3 dBm to +3dBm , Ic = 8mAkV = 90 MHz/V Typ

Discrete3rd OrderLoop Filter

Murata TX VCOMQW291AGSM = 880 MHz(Vt=0.5V ) to 915 MHz(Vt=2.3V )Pout = 7 dBm typ. , Ic = 35mAkV = 32 MHz/V TypDCS = 1710 MHz(Vt=0.5V ) to 1785 MHz(Vt=2.3V )Pout = 10 dBm typ. , Ic = 50mAkV = 70 MHz/V Typ

Harmonics = 10dBc(up to 3rd )

MICRO DEVICE QUADBAND PAMRF3140(10X10)

GSM: Pout = +36.0 dBm Eff = 45%DCS: Pout= + 34.5 dBm Eff = 40%


IFVCO

PFD

PMU

VDD1 (1.35V min 2.95Vmax , 150mA )

VBAT (3.6V typ 3.0V min)

RF1_VDD

RF2_VDD

RF1_VDDS

RF2_VDDS

HVS

VDD2 (1.35V min 3.45V max , 150mA )VDD3 (1.35V min 3.45V max , 100mA )

VDD4 (1.35V min 3.45V max , 150mA )

AVDD (1.35V min 2.65V max , 100mA )

VCC_RX_TX (2.7V ,100mA )

VCC_SYN(2.7V , 100mA )

VCC_RF_VCO(2.7V , 100mA )

VCC_CP(4.0V , 25mA )

VCC_TX_BURST(2.7V , 100mA )

Tank

GSM Tx: 45.5MHzDCS Tx: 91 MHz

1 2 1

2

Tank Circuit


Vcc_Tx_Burst

NTK Antenna Switch

LMG002S-5047AIpeak = 10 mAFreq (MHz ) Loss880 - 915 1.3 dB925 - 960 1.1 dB1710 -1785 1.5 dB1805 -1880 1.4 dB

Atten 2xfo : 30dB 3xfo : 25dB (GSM,DCS)

DCS

RFLOin=-2dBm max, -8dBm min

OFFSET Mixer in=-17dBm max, -23dBm min

pi -PAD

fpd=200kHz

fpd=13MHz

fpd=91MHz

Philips TransceiverOM5178HN Pins IA,IB,QA and QB

CM : 1.25V typ. , 1.15Vmin, 1.35Vmax0.5Vpp

Antenna

RF_BBI_DATARF_BBI_CLKRF_EN_SYNT

3 WIRE BUSCTL REG

PON_TXPON_RXPON_SYNT

POWERENABLE

VCC_SYNVCC_CPVCC_RX_TX

1 : 7

PFDCP

CP

+I OUT-I OUT

+Q OUT-Q OUT

100kHz+fmod

PON_TXPON_SYNTV_MODE

GSM

GSM

DCS

VAPC

VBAT


SGH-E700 Block Diagrams


5-2

BatteryType

BatteryVoltage

BatteryTemperature

AFC

RAMP

Charging Circuit

Li-Ion Battery(Slim,Standard)

OM6357VIBRATOR

SYSTEM CLOCK(13MHz)

RTC_CLOCK(32.768KHz)

KEY_BOARD

RECEIVER

MIC

LCD

RF INTERFACEVCC_RX_TX

VCC_RF_VCO

VCC_TX_BURST

PMU

VCC_SYN

Serial DataInterface

I/OInterface

A/DInterface

BB INTERFACE

MELODY IC(40 Poly)

SPEAKER

FLASH(256M bit)

VDD1

VDD2

VDD3

VDD_VIB

MIC_BIAS

VCC_CP

VDD_KEY

VDD_AMP

AVDD

AVDD_TEMP

SIM CARD

SRAM(32M bit)

MV317S

2. Base Band Solution Block Diagram

MV317SA


6. SGH-E700 PCB Diagrams

6-1

1. Main PCB Top Diagram


6. SGH-E700 PCB Diagrams

6-2

2. Main PCB Bottom Diagram


7. SGH-E700 Flow Chart of Troubleshooting


7-1

1. Power On

Check the Battery Voltageis more than 3.4V

' Power On ' does not work

Change the Battery

END

No

Yes

C414(V_ISUP) = 2.7V? Check the PMU related to V_ISUPNo

Yes

Check the Clock atR401=32KHZ Resolder OSC400

No

Yes

C431 (VDD1) = "H"? Check the VDD1 circuitNo

Yes

C430(VDD2) & C429(VDD3)= 2.8V? Check the VDD2,VDD3 circuit

No

Yes

Check for the clock at C133= 13MHz

Check the clock generation circuit

(related to OSC101)

No

Yes

Check the initial operation

Yes

Yes


SGH-E700 Flow Chart of Troubleshooting

7-2

&12C

2V85

AV

DD

_TE

MP

OS

CIL

LAT

OR

inte

rnal

CO

NT

RO

L

refg

nd

cloc

ks

3V05

32K

Hz

XTA

L

AVDD

2V7

SU

PP

LY

SIM

_CLK

volta

ge

CO

NT

RO

L

CLO

CK

2V7

TY

P

ON

/OF

F

2V7

2V65

VD

D_K

EY

1V35

PLL

INT

ER

FA

CE

MIC

_BIA

S

VB

AT

CH

AR

GE

GE

NE

RA

TOR

supp

ly

refe

renc

e

ON

-CH

IP

VO

LTA

GE

LIN

RE

G

PU

MP

(CH

AR

GE

VD

D3

2V35

LIN

RE

G)

BA

TT

ER

Y

2V7

bias

cur

rents

RF

pow

er s

uppl

y

Bas

eban

d po

wer

sup

ply

HFA

VD

D2

RF

pow

er s

uppl

y

3V05

MO

DU

LE

VD

D_A

MP

2V1

SIM

_VC

C

cont

rol

2V85

SIM

CH

AR

GE

VC

C_R

X_B

UR

ST

3V

GENERATOR

htmp

INTE

RFA

CE

CLO

CK

BA

CK

LIG

HT

PU

MP+

TE

MP

HIG

H

2V65

ovdd

4V

MIC

BIA

S

DVDD3

VC

C_C

P

AV

DD

DVDD1

RE

FE

RE

NC

E

data

SW

ITC

H

VC

C_R

X_T

X

TY

P

SIM

_RS

T

CO

NT

RO

L

INT

ER

NA

L

2V7

2V95

RE

AL-

TIM

E

calib

ratio

n

VC

C_S

YN

SIM

_IO

Bas

eban

d po

wer

sup

ply

DVDD2

VD

D_V

IBB

L_V

DD

DVDD4

INTERRUPT

SU

PP

LY

5V

HIG

H V

OLT

AG

E

PM

U (

IC)

SIM

SU

PP

LY &

SIG

NA

L

MO

NIT

OR

inte

rnal

VIB

SIG

NA

L

VD

D1

htm

p

stat

us

3V25

32K

V_I

SU

P

SE

NS

OR

SIM

VC

C_R

F_V

CO

SIM

VDD

VD

D1 C41

1R

B41

4II0

6N

3.3K

6.3V

10U

FC

427

R40

2

VD

D_V

IB

NC

C42

0

F6

G6

VSS9

V_I

SU

P

C40

9

10N

F

VSS2

F5

VSS20

D4C

4

VSS21

VSS3

F4VSS4G

4VSS5J3VSS6G

5K

5

VSS7VSS8

F7

E6

VSS13VSS14E

7D

7

VSS15VSS16

C7D

6

VSS17VSS18E

5D

5

VSS19

VB

AT

K4

VC

CC

2

B3

VIBVBATVIBVDD A

3

VPROG

H7

VSS1E4

VSS10G7G

8

VSS11VSS12

A2

B8

SIM

IO

SIMSCN

A1

SIMSCP

B1

SIMVBAT

B2

SLPMODD10

TMH5

J5V

BA

CK

G9

C1

RS

T

D9

RSTO

SC

LE

3S

DAF

2

SEL12RBE9

SEL3RBH4

SIM

CLK

C6

SIMGND

F10

E8

RF

1SWS

RF

1VD

DG

10

RF

1VD

DSF

9

RF

2SN

SH

9

RF

2SWS

E10

RF

2VD

DH

10

RF

2VD

DSJ1

0

RF

VB

AT

ONKEY

K8

OS

C32

I K9

OS

C32

O

REC1

K1

REC2

J2

REC3

K2

RE

FC

H8

RE

FG

ND

K6

RF

1SN

S

D8

C10

INT

IOD

2

ISU

PA

H6

ISU

PD

J4

MIC

BIA

SJ6

NC

1N

C2

H3

HFAVBAT

A6

HFAVDDHFAVDD

B6

HV

SG

ND

B9

HV

SOC

B10

HV

SS

CN A

10H

VS

SC

P C9

HV

SV

BA

T C8

HV

SV

DD

G3

DVDD3H

1J1

DVDD3

DVDD3VBAT H2

DVDD4

A4

DVDD4ONF

8DVDD4VBAT

B4

HFAVBAT

A5

B5

D3

CLK

C3

CLK32

A9

CP

RE

S D1

DVDD1F1DVDD1VBAT F

3

DVDD2

G2G

1

DVDD2

DVDD2VBAT

J8J9AVDDVBAT

BB

MG

NDA

8B

BM

SW

C5

BLV

BA

TB

7B

LVDD

A7

CH

RIV

E1

CH

RR

EG E

2C

HR

VB

AT

PC

F50

601E

T1-

N5

U40

0

K3

AUXON

J7

AVDDAVDD

K7

AVDDS

K10

AVDDVBAT

C41

4

10UF

C42

4

470N

F

T17

VD

D_A

MP

C43

0

1UF

VC

C_C

P

10K

R40

0

FC

-255

OS

C40

0

2 1

10U

F

VD

D3

C42

1

VB

AT

C40

8

R40

110

M

100N

F

0,5%

R40

3

0

T11

C41

710

0NF

100N

F

VC

C_R

F_V

CO

C42

5

C40

3

470N

F

VC

C_T

X_B

UR

ST

VB

AT

T12

R40

40

C43

1

1UF

1UF

C42

6

C41

210

0NF

C40

0

VB

AT

VB

AT

V_I

SUP

100N

F

VD

D1

12P

FC

413

T16

6

7GG 8

9GG 10

AV

DDV

DD

_KE

Y

0-02

9212

3-1

1 2 3

4 5

AV

DD

_TE

MP

SIM

400

VC

C_S

YN

C42

9

1UF

NC

C40

4

VD

D2

10P

F

C40

6

4.7U

F

C41

8

1UF

C42

8

VB

AT

C42

310

UF

VC

C_R

X_T

X

12P

F

T14

VB

AT

C40

7

100N

F

C40

1

NC

C40

5

C42

2

VB

AT

1UF

4.7U

FC

410

C41

5

1UF

C40

2

4.7U

F 2.2U

F

MIC

_BIA

S

C41

6

C41

9

BA

CK

LIG

HT

2.2U

F

32K

CH

AR

GE

R_OK

PO

N_S

YNT

JIG

_RE

C

JAC

K_I

NR

EC

O1

ON

KE

Y_N

IT_P

MU VIB

RE

F_O

N

SIM

IOS

IMC

LK

V_M

ODE

SDASC

L

RS

TON

PO

N_T

X

Power On




7-3

2. Initial

R200 (RSTON) ="H"?

Initial Failure

Check the circuit related to reset

END

No

Yes

Is U305 pin 4,6(memory CE) OK?

Yes

Yes

No

Check the U305

Check the circuit aroundLCD & U305 (Short or not solder)

Yes



7-4

A

pin

H11

XX

001

pin

P8

pin

C1

pin

P9

pin

G2

D

PC

F50

732

pin

C8

D

D

X

SIM

U

KB

S

pin

P4

pin

F5

DE

MI

A A

CS

_N2

0

pin

B12

SIO

X

D

UART0

A

D

ASI

UART1

pin

N12

AD

BSI

DSP

pin

M8

GP

IO

pin

C9

IMA

GE

_CS

CS

_N0

pin

N13

CSI

CG

U

RFC

U

pin

L3

PW

M

pin

D14

SC

X

CS

_N3

1

A

T62

JTA

G

pin

F12

D

X

X

HA

(20)

CS

_NA

ND

PC

F50

874

A

IIC

pin

C12

D

PD

CU

SIO

Y

0

A A

OO

L

ME

LOD

Y_C

S

pin

M6

JT4

AV

DD

VD

D3

C212100NF

VD

D2

T40

C214100NF

R20

31010

R20

2

VD

D2

J_S

EL

43_E

B_W

R

U20

1N

C7S

Z19

L6X

A12

GND

VC

C5 6

Y0

Y1

B_T

DO

B_T

MSB

_TD

I

10K

R20

1

VD

D3

C215100NF

VD

D1

C211100NF

100N

F

25

VC

C

Y0

64Y

1_E

3

C20

5

SIM

_BO

OT

NC

7SZ

19L6

XU

202

1A

GN

DV

DD

1VSS_NK1

P1VSS_O

N5VSS_P

C13VSS_REF

A12VSS_VB

C11VSS_VBOUT

VSS_D

N10VSS_E

N14VSS_F

N11VSS_G

G13VSS_HE8

VSS_IC3

VSS_KG1VSS_M

VDD_REFVDD_VBB12

C12 VDD_VBOUT

C14

VR

EF

K7VSS_AJ1VSS_B

E13VSS_BB

M7VSS_C

D11

VDDE2_CP8C1

VDDE2_E

VDDE3_AP4M6

VDDE3_BVDDE3_F

G2

L3 VDDE3_G

F12 VDD_BBVDD_D

C9

D14

F5 VDDC_AVDDC_BN13

M8 VDDC_CVDDC_DK6

P9 VDDE1_AN12 VDDE1_BC8 VDDE1_C

VDDE1_DH11

TCK

D2TDI

D3TDO

A2TMS

A1TRST_N

C5TXD0

TXDA4

G12

TX

ON

RXD0

D4RXD1

RX

ONH

12

C2

SC

KS

DAB

3

SIM

CLK

M14

SIM

ER

RM

11

M13

SIM

IO

A3

RF

SIG

5C

7B

7R

FS

IG6

RF

SIG

7C

6E

7R

FS

IG8

K10

RF

SIG

9

M10

RS

TO

_NR

ST

_NH

10

A5RXT0_N

C4

RF

E_N

0R

FE

_N2

K12

D5

RF

SIG

0R

FS

IG1

A6

RF

SIG

10D

7

D6

RF

SIG

2R

FS

IG3

B6

A7

RF

SIG

4

MC

LK

MIC

NB

13A

13M

ICP

PW

M0

F4

E6

PW

M1

H14

QN

QP

H13

RE

SE

TN

C10

J12

KB

IO0

J10

KB

IO1

KB

IO2

K13J1

1K

BIO

3K

BIO

4L1

1L1

3K

BIO

5K

BIO

6L1

2L1

4K

BIO

7

D10

HD

7E

4F

3H

D8

HD

9F

2

HR

D_N

H5

HW

R_N

L5

J14

INIPJ1

3

J_SELB4

K11

HD

13E

3E

2H

D14

HD

15B

2

H2

HD

2H

D3

J3 E5

HD

4H

D5

H1

B1

HD

6

HA

7H

A8

N2

M1

HA

9

H4

HD

0H

D1

H3 F1

HD

10H

D11

E1

D1

HD

12

HA

20G

4

HA

21P

5N

6H

A22

L6H

A23

L4H

A3

HA

4N

3K

5H

A5

HA

6M

3 P2

HA

13H

A14

J2 J5H

A15

HA

16K

3 J4H

A17

HA

18K

4K

2H

A19

HA

2P

3

P6

N8

GP

IO9

GP

ON1

L10

GP

ON2

N9

M4

HA

1

HA

10N

1 L2H

A11

HA

12L1 M2

GP

IO1

K9

GP

IO10

K8

GP

IO2

L8

GP

IO3

M9

GP

IO4

P7 L7

GP

IO5

GP

IO6

L9 N7

GP

IO7

GP

IO8

N4

CS

_N0

CS

_N1

G5

M5

CS

_N2

CS

_N3

G3

B5CTS0_N

A11

EA

RN

EA

RP

B10

M12

GP

IO0

BUZ

CC

LKE

10

CDI

D8

E9

CDO

D9

CE

N

CK

IP

11P

13C

KI3

2IC

KI3

2OP

14

AU

XS

PA

10

G10

AU

XS

T

AVDDP12

P10AVSS

E11

BD

IOB

IEN

F10

F11

BIO

CLK

BO

EN

G11

B11

AU

XA

DC

3A

UX

AD

C4 F

13

E12

AU

XD

AC

1A

UX

DA

C2 D

13D

12A

UX

DA

C3

AU

XM

ICN

A14

B14

AU

XM

ICP

K14

AU

XONUC

P20

0O

M63

57

AC

LKB

8

A8

AD

I

ADO

A9

AF

SB

9

F14

AU

XA

DC

1A

UX

AD

C2 G

14E

14

VD

D2

AV

DD

_TE

MP

C20

3

33P

F10

NF10

NF

C20

2

100NF

VD

D1

C20

1

33P

F

C219

AV

DD

VD

D1

C20

8 T59

R20

6

2.2K

C20

910

0NF

GR

OU

ND

JT6

B_T

RS

T

VD

D1

B_T

CK

VD

D3

C218100NF

JT5

VD

D1

AV

DD

C216100NF

VD

D2

VD

D3

JT1

C20

0N

C

AV

DD

T57

JT3

C20

7

100N

F

100NF C210

R21

210

K

T58

VD

D2

VD

D1

R20

43.

9K

VD

D3

R20

5

2.2K

R20

010

0K

VD

D3

TP

202

T60

VD

D3

VD

D1

C217100NF

R20

747

KR

208

47K

47K

R20

9

NC

C22

0

R21

133

VD

D2

99

R21

0N

C

1414

22

334

45

566

778

8

CN

200

CO

N14

11

1010

1111

1212

1313

JT2

VD

D1

AV

DD

C213100NF

100N

F10

0NF

C20

4C

206

TDI

TM

ST

CK

TDO

TR

ST

_NH

WR

_N

J_S

EL

J_SEL

EA

RP

_N

TC

KT

DO

J_S

EL

TR

ST

_NT

DI

TM

S

EG

SM

DC

S_M

OD

E_S

WE

GS

M_M

OD

E_S

WD

CS

HA

(20)

IMA

GE

_CS

ME

LOD

Y_C

S

EN

D_O

F_C

HA

RG

E

D_R

EF

_13M

IMA

GE

_RE

SE

T

VF

M_R

ST B

NC

SF

LAS

H

CS

_NA

ND

HA

(23)

HA

(21)

HA

(22)

HA

(1:2

3)

EL_

LIG

HT

_CON

CH

G_O

NE

L_E

NA

PO

N_R

XP

ON

_TX

PO

N_S

YNT

TRST_N

IT_P

MU

SDA

SC

L

BIO

CLK

DD

AF

C

IMA

GE

_IN

T

FLIP

RXD1TXD1

TMS

DU

CT

S0

TDI

TCKTDO

EA

RP

_HF

RF

_BB

I_C

LK

RS

TON

TE

MP

_PR

OD

UC

T

irDA

_DO

WN

IRX

_TX

_PIR

X_T

X_N

ME

S_B

AT

T

EA

RP

_P

AU

XS

P

MIC

_PM

IC_N

AU

X_M

IC_P

AU

X_M

IC_N

FS

CD

CL

32K

RF

_BB

I_D

AT

A

BO

EN

BIE

NB

DIO

RA

MP

RE

F_O

NV

_MO

DE

QR

X_T

X_P

QR

X_T

X_N

HA

(17)

HA

(16)

HA

(15)

HA

(14)

HA

(13)

HA

(12)

HA

(11)

HA

(10)

HA

(1)

CTS0

NC

SR

AM

HA

(9)

HA

(8)

HA

(7)

HA

(6)

HA

(5)

HA

(4)

HA

(3)

HA

(20)

HA

(2)

HA

(19)

HA

(18)

HD

(4)

HD

(3)

HD

(2)

HD

(15)

HD

(14)

HD

(13)

HD

(12)

HD

(11)

HD

(10)

HD

(1)

HD

(0)

KB

IO(3

)K

BIO

(2)

KB

IO(1

)K

BIO

(0)

HW

R_N

HR

D_N

HD

(9)

HD

(8)

HD

(7)

HD

(6)

HD

(5)

D_R

EF

_13M

HD

(0:1

5)

KB

IO(0

:7)

TXD0

SIM

IOS

IMC

LK

RXD0

RTS0

RF

_EN

_SY

NT

KB

IO(7

)K

BIO

(6)

KB

IO(5

)K

BIO

(4)

Initial




7-5

3. Charging Part

Check the U501 pin 4> 4.9V

Abnormal charging part

END

No

Yes

U501 pin 5 = "H"?No

Yes

TR500 pin 1 (CHG_ON)= "L"?

No

Yes

Check the U501 pin 3≒ 4.2V

No

Yes

Check the the circuit related to

V_EXT_CHARGE

Resolder or replace U501

Check the circuit related to

CHG_ON signal


Yes



7-6

Charging

END_OF_CHARGE

MES_BATT

CHG_ON

CHARGER_OK

U501LTC4054XES5-4.2

3BAT

GND 2

5PROG

VCC4

_CHRG1

V_EXT_CHARGE

3D2

2

TR501FDG6301N

D16

R507

VDD2

R510

C5021UF10V

G15 G2

S1 1

4S2

R5061

2K

1.8K,1%

270K

R511180K

TR500BCR133T

13

2

330K,1%

180K

270KR509

C501

NC

R512

R504VBAT

R508200K,1%

R505




7-7

4. Sim Part

SIM400 pin 1,5 = "H"?

Phone can't access SIM Card

Check the sim charge pump

Check the SIM Card

END

No

Yes

Yes

Yes

No

Check the 32k OSCAfter Power ON,

Check SIMCLK Signal onSIM400 pin3 in a few second

Yes

No

Replace PBAAfter SIM card insert,SIM400 pin 2 = "H(SIM_RST)"?

Yes



7-8

5. Microphone Part

Check the connectionfrom MIC

Check the circuitfrom UCP200 to MIC

Resolder MIC

Resolder the R604, R606, R603, R607, C606

and C611

END

No

Yes

Yes

Yes

Yes

No

Check the MIC

No

Replace the MIC

Microphone does not work




7-9

Close to MCPClose to microphone

MICROPHONE R607

10K

1.5K

MIC_N

MIC_P

5PF

1.8PF

VR600 C601

10PF 12PF

10PF

C612

MICMIC600

1

2

C600

C606

MIC_BIAS

C611100NF

1.5K

47PF

C607R605

C613

5PF

C602

100NF0R604

C609 C608

10PF

C614

12PF

0R606

R603

NCC610

Microphone



7-10

6. Speaker Part(Melody)

U300 pin 5 = 2.85V?

Speaker does not work

Check the Clock signalat Pin 1 of U301

(13MHz)

Check the clock generation circuit(related to OSC100 and U300)

END

No

Yes

No


U301 pin 17,18 ≒ 1.8V?(When U301 operate) Resolder U301

Yes

No

HDC700 pin 40,42≒ 1.8V?

Check the circuit related to"SPK_P/SPK_N" signal

Yes

No

Is Speaker working?

No

Yes

Change the Speaker

Yes

Yes




7-11

0R304

VDD2VDD3

R305

MELODY IC

C308

R30051K

EARP_HF

MEL_13M

M_RST

C302

VDD2

C30127PF

C309100NF

C304100NF

C305

/IRQ

/RD

31

/RST4

28

/WR

6.8K

M_LEDTC7SH04FU-TE85L

100NFC307

HA(1)

MELODY_CS

AMP_N

1.2K

2.2KR307

330R301

1NF

VDD2

51KR302

10V1UF

C306

C300100PF

1.2NF

100NFC303

U300

GND3

IN2

NC1

OUT4

VCC5

3.3KR303

R306

220NF

SPOUT1

SPOUT218

15

SP

VD

D

SP

VS

S

16

7VDD

9VREF

8 VSS

/CS

29

3

HP

OU

T-L

/MO

NO

10 11

HP

OU

T-R

IOV

DD

32

LED2

19MTR

5NC

PLLC6

17

D2

D324

23D4

D522

21D6

D720

EQ1

12 13

EQ2

EQ3

14

YMU762 MA-3U301

30

A0

1CLKI

D0

27 26

D1

25

HD(0)

HD(1)

HD(2)

HD(3)

HD(4)

HD(5)

HD(6)

HD(7)

VDD_AMP

VIB

HRD_N

AMP_P

HWR_N

Speaker



7-12

7. Key Data Input

When one of the keys ispushed,

is it displayed on LCD?

Check the Dome sheet & Key Pad

END

No

Yes

Yes

Check Initial Operation

When one of the keys ispushed,

KBIO signal is OK?

Replace the PBA

No

Yes




7-13

8. Receiver Part

U602 pin 3,4 = 1.5V? Resolder or replace U602

END

No

Yes

Yes

Receiver does not work

HDC700 pin 40,42 = 1.5V? Replace the HDC700

No

Yes

Is Receiver working? Replace the Receiver

No

Yes

No


Yes

No

Resolder EAR600EAR600 pin 2,3 = short?

Yes

EAR600 pin 2,3,6 = 1.5V?

No

Resolder EAR600

Yes

Check the soldering of thespaeaker wire

No

Modufy the speaker wire soldering

Yes

U602 pin 12,15 = 1.5V?



7-14

9. Back Light (for Color Main LCD)

Is LCD Contrast set onhigh level in the Menu?

Set LCD Contrast on high level

END

No

Yes

Yes

Backlight does not work

HDC700 pin 24 = 2.8V? Check the R309, C316

No

Yes

HDC700 pin 19 (L_WR) isOK?

Check the U302

No

Yes

Yes

Replace the LCD Module




7-15

10. Key Back Light

U601 pin 5 = "H"? Check the PMU related to "VDD_KEY"

END

No

Yes

Yes

Key Backlight does not work

U601 pin 2,3 = "H"?

No


Yes



7-16

11. Camera part

"Camera" function does not work

Yes

NoConnect the camera moduleCheck the Camera

connector on LCD module

Yes

HDC700 pin 48, 50 =2.8V?

No

Check LCD and HDC700

Yes

OSC300 Pin 3 = 27MHz?No

Check OSC300 and R314

Yes

HDC700 pin 24 = 2.8V?

Yes

No

Check the R309, C316

Is there another problem?

END

Replace the cameramodule

Yes



7-17

12. GSM Receiver

F101 Pin8>= -65dBm Resolder RFS100, C100

END

No

Yes

RX ONRF input : CH center freq : +67.7kHz

Amp : -50dBm

Check F101pin11 = L, pin2 = L

F101 pin10>= -65dBm

F100 pin1>= -70dBm

U100 pin5, 6, 7, 8>= 1V

U100pin33 >= -70dBmpin34 >= -70dBm

Check ANT Switchcontrol circuit

Resoder F101

Resolder F100, C106, L102

Resolder L101, C105, C107

Check U100 pin26(RF freq.*2)+100kHz

>=-30dBm

Check & ResolderU100, C121, R110

RF13MHz, RF PSU Part

Resolder U100R101, R102, R105,

R106 >= 1V

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No No

No

Check UCP200




7-18

13. GSM Transmitter

F101 Pin8>= 20dBm Resolder RFS100, C100

TX ON (5Level)

Check F101pin11 = H (2.68V),

pin2 = L

F101 pin5>= 20dBm

PAM100 pin9>= 20dBm

VCO101 pin1>= -8dBm

PAM100 pin7>= -11dBm

Change or Resolder F101


Resolder L105, C114

Resolder R107, R108, R109

U100 pin5, 6, 7, 8>= 500mV

Yes

Check PAM100+VBATT, pin4, 7

OK?Resolder or Change PAM100

Check +VBATT or PAMcontrol signal

Check U100pin 26>=-20dB

& pin11>=2VOK?

Check & Resolder RFLOsignal, RF13MHz,

RF PSU Part

No

No

No

No

No

No

No

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

END

Check UCP200Check U100 pin

2,12,4,23>=2.7V

OK?

Resolder U100

Yes



7-19

14. DCS Receiver

F101 Pin8>= -65dBm Resolder RFS100, C100

No

Yes

RX ONRF input : CH center freq : +67.7kHz

Amp : -50dBm

Check F101pin11 = L, pin2 = L

F101 pin1>= -65dBm

F102 pin1>= -70dBm

U100 pin5, 6, 7, 8>= 1V

U100pin35 >= -70dBmpin36 >= -70dBm


Resoder F101

Resolder F102, C112, L104

Resolder L103, C110, C113

Check U100 pin26(RF freq.*2)+100kHz

>=-30dBm

Check & ResolderU100, C121, R110

RF13MHz, RF PSU Part

Resolder U100

R101, R102, R105,R106 >= 1V

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No No

No

END

Check UCP200




7-20

15. DCS Transmitter

F101 Pin8>= 13dBm Resolder RFS100, C100

TX ON (5Level)

Check F101pin11 = L,

pin2 = H (2.68V)

F101 pin3>= 13dBm

PAM100 pin11>= 13dBm

VCO101 pin5>= 12dBm

PAM100 pin1>= 15dBm

Change or Resolder F101


Resolder L106, C115

Resolder R100, R103, R104

U101 pin5, 6, 7, 8>= 500mV

Yes

Check PAM100+VBATT, pin4, 7

OK?Resolder or Change PAM100

Check +VBATT or PAMcontrol signal

Check U100pin 26>=-20dB

& pin11>=2V

heck & Resolder RFLOsignal, RF13MHz,

RF PSU Part

No

No

No

No

No

No

No

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

END

Check UCP200Check U100 pin

2,12,4,23>=2.7V

OK?

Resolder U100

Yes

No



7-21

33uF

2% Coilcraft

HN

/C3

FILM

DIV

CT

L R

EG

(080

5)

Coi

lcra

ft

(MLF

pac

kage

)

15nF

VC

O_IF

1:1/

2

1:1/

2

33uF

(pin

_2)

Coi

lcra

ft

(pin

_4)

(pin

_22)

CP

PS

DE

TE

CT

OR

AN

D C

P

PH

AS

E F

requ

ency

VC

O_T

X_P

OW

ER

PO

WER

EN

AB

LE

1:1/

2

(0805)

Coi

lcra

ft (0603 NPO)

QU

AD

DE

TE

CT

OR

AN

D C

P

PH

AS

E F

requ

ency

(pin

_17)

DE

TE

CT

OR

AN

D C

P

3 W

IRE

BUS

CPPS

(060

3)

DIV

PH

AS

E F

requ

ency

Coi

lcra

ft

VC

O_R

F

1:6/

7

(080

5)

4PF

C11

2

24

24

R12

0

C13

6

R11

7

VC

_DC

S

22P

F

C15

0

VC

_EG

SM

NC

C10

4

100N

F

VC

C_S

YN

AN

T10

0

VC

C_C

P

F10

285

6079

2GG 5

IN1

3O

UT

OU

T4

5.6K

R11

1

R11

015

K10

0PF

C12

3

L104

10nH

L107

5.6n

H

23 1

0R

124

8

OU

T4

3 VC

C

1V

T

2SC

4617

TR

100

VO

L186

1N27

KR

BV

CO

100

G1

25

G2 6G

3 7G4

G5

2.7K

R10

1

75

C12

756

PF

390P

F

R12

3

220P

F

C13

2

220P

F

C11

7C

118

NC

P50

0SN

25T

1U

101

2G

ND

NC

43

ON

/OF

F

1V

INV

OU

T5

C14

2

R12

191

4.7N

FC

147

C14

1

22K

R11

4

VC

C_R

EF C14

010

NF

56C

1

C2

31E

1

E2

4

VC

C_R

F_V

CO

VC

C_T

X_B

UR

ST

INO

UT

3 4O

UT

BC

R08

PN

U10

2

B1

2B

2

B78

20F

100

G 25G

1

C11

36P

F

C13

4

39PF

C13

8

330P

F

C12

5

C12

622

0PF

L101

15nH

100P

F

R12

81.

8K,1

%

R11

256

0,1%

5O

UT

1

1O

UT

2

2S

W1

4S

W2

7

VB1

11 VB2

8

VC

MQ

W29

1A89

7MR

6V

CO

101

G

36

GG 91

2

G

10NC

C12

2

R10

830

0

10P

F

33P

FC

100

VC

C_S

YN

C10

1

R10

718

AN

T10

1

grou

nd

NC

R11

6

grou

nd

22P

F

1.8K

,1%

22P

FC

144

C14

3

D10

1

HVC376B

390P

F

C11

6

10P

F

C15

2

10P

F

C15

1

10K

L103

6.8n

H

2.7K

R13

0

1C

TRL

2

GN

D

3O

UT

4 VC

C

R10

2

C13

3

OS

C10

0T

CO

-914

1

C13

7

100P

FR

118

560

1UF

C13

9

100P

FC

131

R10

930

0

10N

FC

148

100P

F

C14

6C

145

47P

F

VC

C_R

X_T

X

PA

M_V

CC

33P

FC

106

VC

_DC

S

VC

C_R

X_T

X

VC

C_R

EF

33P

FC

121

C12

8

3.3N

F

C10

518

PF

1NF

C10

8

33nH

L105

R10

012

330

1UF

R12

7

C111

VC

C_S

YN

33K

R12

5

21S

YN

ON

23 SYNVCC

3T

ST

O

40TXCPGND

1T

XC

PO

2

TXCPVCC

10T

XO

N

38T

XR

FI

37RFGND3

25RFLOGND

26R

FLO

IA

27R

FLO

IB

28 RFLOVCC

31 RFVCC

9R

XO

N

24SYNGND

29N

C1

30N

C2

7Q

A

8Q

B

20R

FC

PO

22 RFCPVCCR

FF

IN19

32RFGND1

IA5

IB6 18

IFC

PO

17 IFCPVCC

13IFGND2

11IF

TU

NE

IFVC1

412

IFVCC2

16E

N

39E

XT

RES

41GND

GND42

43GND

GND44

33G

SM

IA

34G

SM

IB

U10

0O

M51

78H

N

CLK

1514D

AT

A

35

DC

SP

CS

IA

36

DC

SP

CS

IB

430

grou

nd

R10

4

C10

2

R10

52.

7K

10K

10N

F

R13

1

C12

0

220P

F22

0PF

C11

9

R11

347

0

3.9n

HL1

06C

114

12P

F

C10

3

VC

C_R

X_T

X

12nH

L108

10N

F

C14

91U

F

U10

3B

CR

08P

N

2B

15

B2C1

6

3C

2

E1

1

4E

2

VC

C_R

EF

C10

9N

C

34

56

1IN

2O

UT

MB

O-1

45R

FS

100

GN

D5

VC

C4 Y

TC

7SH

32F

U(T

E85

L)U

411

2A

1B

3

10K

R11

9

VC

_EG

SM

C10

718

PF

VC

C_R

X_T

X

VC

C_R

X_T

X

47N

FC

129

C13

510

0PF

R12

227

K

C11

50.

5PF

15K

430

R11

5

12nH

L100

R10

3

R12

633

K

100P

FC

130

10nH

L102

100P

F

grou

nd

2.7K

C12

4

12G

13GG 14

VC

12

11V

C2

R10

6

1D

CS

_RX

3D

CS

_TX

10E

GS

M_R

X

5E

GS

M_T

X

G 4

G 67

GG 9

LMG

002S

-504

7AF1

01

8 AN

T

C11

0

6PF

6VRAMPVREG5

NC

R12

9

GSM850/900IN

7

GSM850/900OUT

911 PCSOUT

3TXENVBATT

4

VC

C10

VC

C2

812V

CC

2

PA

M10

0R

F31

40

BAND2DCSIN

1

13G

ND

DC

S_M

OD

E_S

W

EG

SM

_MO

DE

_SW

RA

MP

EG

SM

VB

AT

PA

M_V

CC

DC

S_M

OD

E_S

W

EG

SM

_MO

DE

_SW

DC

S_M

OD

E_S

W

DC

SA

FC

ME

L_13

M

RE

F_O

N

PO

N_R

XP

ON

_TX

pin_

12_I

FV

CC

2

pin_

23_S

YN

VC

C

VC

CC

P

VC

CC

P

D_R

EF

_13M

PO

N_S

YN

T

VC

C_IF

VC

C_IF

RF

_BB

I_C

LKR

F_B

BI_

DA

TA

RF

_EN

_SY

NT

IRX

_TX

_P

IRX

_TX

_N

QR

X_T

X_P

QR

X_T

X_N

Transmitter

Samsung SGH-E700 service manual

Technology

dbm5203 dbm

dbm8143 dbm

dbm7163 dbm

dbm6183 dbm

dbm9124 dbm

gsm tx mode

gsm input

s mo d u