Samsung Sm-r750 Bedienungsanleitung

Wireless Device

SM-R750

1. Safety Precautions

2. Specification

3. Product Function

4. Exploded View and Parts list

5. MAIN Electrical Parts List

6. Level 1Repair

7. Level 2Repair

8. Level 3Repair

9. Reference data

Notice: All functionality, features, specifications, and

other product information provided in this document,

including but not limited to, benefits, design, pricing,

components, performance, availability, and capabiliti

-es of the product are subject to change without

notice. Samsung reserves the right to alter this doc

-ument or the product described herein at anytime,

without obligation to provide notification of such

changes.

Wireless Device CONTENTS

This Service Manual is aproperty of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

Samsung Electronics Co.,Ltd.

2014. 09. Rev.1.0

ⓒ

2. Specification

2-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

2-1. GSM General Specification

EGSM900 DCS1800 WCDMA

2100 WCDMA

900

Freq.

Band[MHz]

Uplink/

Downlink

880~915

925~960 1710~1785

1805~1880 1922~1977

2112~2167 882~912

927~957

ARFCN range 0~124 & 975~1023 512~885 UL:

9612~9888

DL:

10562~10838

UL:

2712~2863

DL:

2937~3088

Tx/Rx spacing 45MHz 95MHz 190MHz 45MHz

Mod. Bit rate/

Bit Period 236.8kbps 236.8kbps 42.2Mbps(DL)

5.76Mbps(UL) 42.2Mbps(DL)

5.76Mbps(UL)

Time Slot Period/

Frame Period 576.9us

4.615ms 576.9us

4.615ms

WCDMA

10ms/0.667ms

HSPA

2ms/0.667ms

WCDMA

10ms/0.667ms

HSPA

2ms/0.667ms

Modulation GMSK

8PSK GMSK

8PSK

QPSK

HPSK

16QAM

64QAM

QPSK

HPSK

16QAM

64QAM

MS Power 33dBm~5dBm 30dBm~0dBm 24dBm~

-50dBm 24dBm~

-50dBm

Power Class 4(GMSK)

E2(8PSK) 1(GMSK)

E2(8PSK) 33

Sensitivity -102dBm -100dBm -106.7dBm -103.7dBm

TDMA Mux 8 8 - -

Cell Radius 35Km 2Km 2Km 2Km

Specification

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

2-2

2-2. GSM Tx Power Class

TX Power

control level EGSM900

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 level DCS1800

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±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

3. Operation Instruction and Installation

3-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Main Function

•Tizen OS

•HSPA+ 21Mbps /HSUPA 5.7Mbps

•2.0"OCTA S-AMOLED (360*480)

•GPS /BT v4.1 /USB v2.0 /WiFi (802.11 b/g/n)

•Sensors: Accelerometer, Gyro, Magnetic, Barometer, Light, UV, HRM Sensor

•4GBytes (eMMC) + 512M Bytes (LPDDR3) Memory

•IP67

•Additional :

-1.2

GHz Quad Core CPU

-SHealth, SVoice, Navigator, Music Player, Find My Deive

-Schedule, Running, New Briefing, Weather, Alarm, Gallery, Notification

1. Safety Precautions

1-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

1-1. Repair Precaution

Before attempting any repair or detailed tuning, shield the device from RF noise or static

electricity discharges.

Use only demagnetized tools that are specifically designed for small electronic repairs,

as most electronic parts are sensitive to electromagnetic forces.

Use only high quality screwdrivers when servicing products. Low quality screwdrivers can

easily damage the heads of screws.

Use only conductor wire of the properly gauge and insulation for low resistance, because of

the low margin of error of most testing equipment.

We recommend 22-gauge twisted copper wire.

Hand-soldering is not recommended, because printed circuit boards (PCBs) can be easily

damaged, even with relatively low heat. Never use asoldering iron with apower rating of

more than 100 watts and use only lead-free solder with a melting point below 250°C (482°F).

Prior to disassembling the battery charger for repair, ensure that the AC power is disconnected.

Always use the replacement parts that are registered in the SEC system. Third-party replac

ement parts may not function properly.

Safety Precautions

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Confidential and proprietary-the contents in this service guide subject to change without prior notice.

1-2

1-2. ESD(Electrostatically Sensitive Devices) Precaution

Many semiconductors and ESDs in electronic devices are particularly sensitive to static discha

rge and can be easily damaged by it. We recommend protecting these components with cond

uctive anti-static bags when you store or transport them.

Always use an anti-static strap or wristband and remove electrostatic buildup or dissipate

static electricity from your body before repairing ESDs.

Ensure that soldering irons have AC adapter with ground wires and that the ground wires are

properly connected.

Use only desoldering tools with plastic tips to prevent static discharge.

Properly shield the work environment from accidental electrostatic discharge before opening

packages containing ESDs.

The potential for static electricity discharge may be increased in low humidity environments,

such as air-conditioned rooms. Increase the airflow to the working area to decrease the

chance of accidental static electricity discharges.

5. MAIN Electrical Parts List

5-1

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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

SEC-CODE Design LOC Description

0403-001972 ZD400 DIODE-ZENER

0404-001887 D402 DIODE-SCHOTTKY

0404-001887 D403 DIODE-SCHOTTKY

0406-001375 ZD501 DIODE-TVS

0406-001506 ZD200 DIODE-TVS

0406-001506 ZD201 DIODE-TVS

0406-001553 C458 DIODE-TVS

0406-001592 ZD202 DIODE-TVS

0406-001592 ZD203 DIODE-TVS

0406-001592 ZD404 DIODE-TVS

0406-001596 ZD402 DIODE-TVS

0406-001596 ZD403 DIODE-TVS

0505-002652 TR400 FET-SILICON

0903-001959 U504 IC-MICROCONTROLLER

1108-000556 UCP300UP IC-MCP

1201-003699 U100 IC-POWER AMP

1201-003701 U103 IC-POWER AMP

1201-003729 U106 IC-GPS AMP

1203-004818 U518 IC-POSI.FIXED REG

1203-007000 U509 IC-POSI.FIXED REG

1203-007294 U511 IC-POSI.FIXED REG

1203-008037 U203 IC-POSI.FIXED REG

1203-008057 U400 IC-POWER SUPERVISOR

1203-008200 U500 IC-DC/DC CONVERTER

1203-008204 U403 IC-POWER SUPERVISOR

1203-008261 U204 IC-POSI.FIXED REG

1203-008261 U401 IC-POSI.FIXED REG

1203-008287 U404 IC-VOL. DETECTOR

1203-008355 U532 IC-SWITCH REG.

1204-003527 U202 IC-AUDIO PROCESSOR

1205-004833 U201 IC-CODEC

1205-004931 UCP300 IC-MODEM

1205-005079 U104 IC-TRANSCEIVER

1209-002227 U506 IC-PRESSURE SENSOR

Main Electrical Parts List

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Confidential and proprietary-the contents in this service guide subject to change without prior notice.

5-2

1209-002245 U510 IC-MAGNETIC SENSOR

1209-002303 U502 IC-ETC SENSOR

1209-002308 U507 IC-ACCEL./GYRO SENSOR

1404-001724 TH100 THERMISTOR-NTC

1404-001724 TH300 THERMISTOR-NTC

1404-001724 TH500 THERMISTOR-NTC

2007-007315 R307 R-CHIP

2007-007943 R439 R-CHIP

2007-008052 R418 R-CHIP

2007-008052 R501 R-CHIP

2007-008052 R503 R-CHIP

2007-008055 R440 R-CHIP

2007-008055 R504 R-CHIP

2007-008419 R448 R-CHIP

2007-008420 R223 R-CHIP

2007-008420 R224 R-CHIP

2007-008420 R225 R-CHIP

2007-008420 R232 R-CHIP

2007-008420 R404 R-CHIP

2007-008483 R510 R-CHIP

2007-008516 R207 R-CHIP

2007-008516 R314 R-CHIP

2007-008516 R406 R-CHIP

2007-008516 R408 R-CHIP

2007-008516 R449 R-CHIP

2007-008516 R509 R-CHIP

2007-008588 R409 R-CHIP

2007-008588 R500 R-CHIP

2007-008774 R414 R-CHIP

2007-008774 R455 R-CHIP

2007-008786 R413 R-CHIP

2007-008798 R421 R-CHIP

2007-008806 R101 R-CHIP

2007-009157 R319 R-CHIP

2007-009157 R400 R-CHIP

Main Electrical Parts List

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

5-3

2007-009157 R402 R-CHIP

2007-009212 R502 R-CHIP

2007-009408 R300 R-CHIP

2007-009408 R301 R-CHIP

2007-009954 R100 R-CHIP

2007-009954 R410 R-CHIP

2007-011378 R324 R-CHIP

2007-011378 R326 R-CHIP

2007-011378 R328 R-CHIP

2007-011378 R363 R-CHIP

2007-011541 R505 R-CHIP

2007-011541 R506 R-CHIP

2007-011541 R514 R-CHIP

2007-011541 R515 R-CHIP

2007-011541 R516 R-CHIP

2007-011541 R517 R-CHIP

2007-011541 R518 R-CHIP

2007-011541 R519 R-CHIP

2007-011544 R329 R-CHIP

2007-011544 R330 R-CHIP

2007-011546 R316 R-CHIP

2007-011546 R317 R-CHIP

2007-011546 R318 R-CHIP

2007-011548 R427 R-CHIP

2007-011548 R436 R-CHIP

2007-011551 R438 R-CHIP

2007-011585 R452 R-CHIP

2007-011586 R200 R-CHIP

2007-011586 R201 R-CHIP

2007-011586 R202 R-CHIP

2007-011586 R203 R-CHIP

2007-011586 R204 R-CHIP

2007-011591 R302 R-CHIP

2007-011591 R303 R-CHIP

2007-011591 R304 R-CHIP

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