Samsung SGH-Z140 Manual de usuario

SGH-Z140

UMTS 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

UMTS TELEPHONE

Samsung Electronics Co.,Ltd. September. 2005

Printed in Korea.

Code No.: GH68-08261A

BASIC.

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

ⓒ

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1. Specification

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1-1

EGSM900 DCS1800 PCS1900 W-CDMA

Freq.

Band[MHz]

Uplink/Downlink

890~915

935~960 1710~1785

1805~1880 1850~1910

1930~1990 1920~1980

2110~2170

ARFCN range 0~124 &

975~1023 512~885 512~810 UL:9612~9888

DL:10562~10838

Tx/Rx spacing 45MHz 95MHz 80MHz 190MHz

Mod. Bit rate/

Bit Period 270.833kbps

3.692us 270.833kbps

3.692us 3.84Mcps

Time Slot

Period/Frame

Period

576.9us

4.615ms 576.9us

4.615ms Frame length : 10ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK QPSK

HQPSK

MS Power 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm 24dBm ~ - 50dBm

Power Class 4

(max +33dBm) 1

(max +30dBm) 1

(max +30dBm) 3

(max +24dBm)

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

TDMA Mux 8 8 8

Cell Radius 35Km 2Km 2Km 2Km

1-1. GSM General Specification

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Specification

1-2

TX Power

control level GSM900

533±2dBm

631±2dBm

729±2dBm

827±2dBm

925±2dBm

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

030±3dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TX Power

control level PCS1800

030±3dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

1-2. GSM TX power class

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2. Circuit Description

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2-1

2-1. SGH-Z140 RF Circuit Description

- Antenna Switch Module (U103)

The antenna switch module allows multiple operating bands and modes to share the same antenna. A common

antenna connects to one of seven paths: 1) UMTS-2100 Rx/Tx, 2) EGSM-900 Rx, 3) EGSM-900 Tx, 4) DCS-1800

Rx, and 5) DCS-1800 Tx. 6) PCS-1900 Tx, 7) PCS-1900 Rx, UMTS operation requires simultaneous reception and

transmission.

- Filter

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

· GSM Rx FILTER (F100) →For filtering the frequency band between 925 ~ 960 MHz.

· DCS Rx FILTER (F101) →For filtering the frequency band 1805 and 1880 MHz.

· PCS Rx FILTER (F102) →For filtering the frequency band 1930 and 1990 MHz.

· WCDMA Rx FILTER (F200) →For filtering the frequency band 2110 and 2170 MHz.

· WCDMA Tx FILTER (F201) →For filtering the frequency band 1920 and 1980 MHz.

- VCTCXO (OSC200)

To generate the 19.2MHz reference clock to drive the logic and RF.

-Duplexer(F203)

A duplexer splits a single operating band into receive and transmit paths.

- WCDMA PAM (U201)

This is a key component in the transmitter chain and must complement the RTR6200 IC precisely; jointly they

dominate the UMTS transmitter performance characteristics. Parameters such as gain, output power level, ACLR,

harmonics, Rx-band noise, and power supply current are critical.

- GSM/DCS PAM (U102)

The PAM is a key component in any transmitter chain and must complement the rest of the transmitter precisely.

For GSM, DCS, PCS operation, the closed-loop transmit power control functions add even more requirements relative

to the UMTS PA. In addition to gain control and switching requirements, the usual RF parameters such as gain,

output power level, several output spectrum requirements, and power supply current are critical.

- GSM/DCS Dual Tx VCO (OSC101)

The dual Tx VCO outputs, one for EGSM and one for DCS, drive a resistive network that splits the active signal

into two signals: 1) the input to the active PAM – this is the low loss path, and 2) the OPLL feedback signal.

- Dual VCO (OSC201)

The dual-band UHF VCO is a key component within its phase-locked loop; VCO performance directly impacts PLL

and transceiver performance. GSM/DCS Rx/Tx LO & UMTS Rx LO signal is generated from this dual VCO's output.

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Circuit Description

2-2

- RFL6200 (U200)

The RFL6200 includes an LNA circuit optimized for UMTS-2100 operation. The LNA is separated from all other

receive functions contained within the RFR6200 receiver IC to improve mixer LO to RF isolation – a critical

parameter in the Zero-IF architecture.

- RFR6200 (U203)

The RFR6200 provides the Zero-IF receiver signal path, from RF to analog baseband, for UMTS-2100 applications.

The RFR6200 accepts its UMTS input signal from the handset RF front-end design. The UMTS input is configured

differentially to optimize second-order inter-modulation and common mode rejection performance, and implements

MSM-controlled gain adjustments to extend the receiver dynamic range.

- RTR6250 (U101)

The RTR6250 supports multi-band, multi-mode phones with two receiver signal paths and three transmitter signal

paths:

1) Receiver paths

- EGSM-900

- DCS-1800

- PCS-1900

2) Transmitter paths

- EGSM-900 (using OPLL technique)

- DCS-1800 (using OPLL technique)

- PCS-1900

- UMTS-2100

Numerous secondary functions are integrated on-chip as well:

3) Phase-locked loop circuits

- PLL#1 and an on-chip VCO supports UMTS Tx

- PLL#2 and an external VCO supports EGSM Rx and Tx, DCS Rx and Tx, DCS Rx and Tx and UMTS Rx

4) Transceiver LO generation and distribution circuits

- EGSM-900 Rx and Tx

- DCS-1800 Rx and Tx

- PCS-1900 Rx and Tx

- UMTS-2100 Tx

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Circuit Description

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2-3

2-2. Baseband Circuit description of SGH-Z140

2-2-1. PM6650

- Power Management

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

system performance and long battery life. It provides seven LDO support for 1.375V, 1.8V, 2.6V, 2.85V, 3.0V, 3.3V

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

such as RTC module and RTC charger, Clock Buffer, aid in reducing both board area and system complexity.

SBI BUS serial interface provides access to control and configuration registers. This interface gives full control of

the MSM6250 and enables system designers to maximize both standby and talk times.

Supervisory functions. including a reset generator, an input voltage monitor, and a ADC Conertte 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).

- TCXO Controller and Buffers

The PM6650 IC includes circuits for controlling the TCXO warm-up and buffering its signal for distribution

throughout the handset. Performance specifications are presented below.

2-2-2. Connector

- LCD Connector

LCD is consisted of main LCD(color 260K TFT LCD) and small LCD(color 65K LCD). Main LCD has 1.8", 176x220

resolution and sub LCD has 1.07", 96x96 resolution. Sub LCD uses STR to improve reflection performance. Chip

select signals in MSM6250, MLCD_CS_N can enable main LCD and SLCD_CS_N can enable small LCD.

MLCD_BL_EN enables white LED of main LCD. MLCD_RESET signal initiates the reset

process of the main LCD. SLCD_RESET signal initiates the Reset process of the small LCD.

-Key

This is consisted of key interface pins among U301, KEY_N(0:4). These signals compose the matrix. Result of

matrix informs the key status to key interface in the U301. Power on/off key is seperated from the matrix. The key

LED use the "VREG_KEY_LED" supply voltage. "HALL_SW" informs the status of folder (open or closed) to the.

- EMI ESD Filter

This system uses the EMI ESD filter, GMF05LC to protect noise from IF CONNECTOR part.

- IF connetor

It is 24-pin connector. They are designed to use VBATT, VF, MSM_TDI, MSM_TDO, MSM_TCK, MSM_TMS,

MSM_TRST, MSM_RTCK, RFR, CTS, JIG_ON, USB_VBUS, RXD, TXD, BOOT_SW and GND. They connected to

power supply IC, microprocessor and signal processor IC.

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Circuit Description

2-4

2-2-3. Audio

YMU765 has a built-in amplifier, and thus, is an ideal device for outputting sounds that are used by mobile phones

in addition to game sounds and ringing melodies that are replayed by a synthesizer.

The synthesizer section adopts "stereophonic hybrid synthesizer system" that are given advantages of both FM

synthesizers and Wave Table synthesizers to allow simultaneous generation of up to 32 FM voices and 32 Wave

Table voices. Furthermore, YMU765 has a built-in hardware sequencer that helps to realize complex play without

heavily loading the host CPU. And this device also has a built-in circuit for controlling vibrators and LEDs

synchronizing with play of music. The consumed electric current can be stopped to the minimum by power down

mode when not operating.

The hardware sequence 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.

2-2-4. Memory

The signals in the MSM6250 enable two memories. They use volt supply voltage, VREG_MSMP, VREG_MSME

from the PM6650. This system uses SEC's memory, KBE00F005M-F411. It is consisted of 1G bits flash NAND

memory and 512M bits SDRAM memory. It has 16 bit data line, D1[0~15] which is connected to MSM6250.

2-2-5. Camera

The camera module consists of VGA pixel of system LSI(Samsung Techwin), 1/5.8" VGA CMOS image sensor with

an embedded image signal processor. Pixel size is 4.0 um and effective resolution is 640(H) x 480(V).

2-2-6. Irda

This system uses IRDA module, HSDL_32085, Agilent's. It uses two power signals, "VREG_MSMP" for circuit and

"VBATT" for LED.

2-2-7. Bluetooth

This system uses Bluetooth module, LBDA245AN0, Murata's. Chip solution is of Broadcom, BCM2004. It uses a

power signal, "VREG_BT". This system uses Blue-Q interface in that module has RF circuit and base band bluetooth

part is in MSM6250.

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3. Exploded View and Parts List

3-1

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3-1. Exploded View

QFR01

QCK01

QKP01

QME01

QSH01

QMP01

QIF01

QCR04

QBA01

QRF03

QRE01

QVO01

QAN01

QMW02

QFL01

QSP01

QMO01

QLC01

QFU01

QCR06

QRF01

QSC13

QSC01

QHI01

QCA01

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Exploded view and Part List

3-2

This Document can not be used without Samsung's authorization

3-2. Parts List

Location NO. Description SEC CODE

QBA01 ㅤBATTERY-1000MAH,BLK,ENG,M;BST456ABVC GH43-01797A

QCA01 ㅤUNIT-CAMERA;SGH-Z140,S5K53BEA,-,USA, GH59-02091A

QCK01 ㅤPMO-CAMERA KEY;SGH-Z140,PC+POLY URET GH72-24665A

QCR04 ㅤSCREW-MACHINE;PH,+,M1.4,L4,NYLOK,SWR 6001-001479

QCR06 ㅤSCREW-MACHINE;PH(PI2.5),+,M1.4,L3.5, 6001-001155

QIF01 ㅤPMO-IF COVER;SGH-Z140,PC+POLY URETHA GH72-22380A

QLC01 ㅤLCD-SGHZ140 LCD;LTD180QC-F0A,SGH-Z14 GH07-00712A

QME01 ㅤUNIT-KEY PAD;SGH-Z140,KBSGHZ140KM R2 GH59-02092A

QMO01 ㅤMOTOR DC-SPHA880 MOTOR;DMJBRK20ML,SP GH31-00145A

QMP01 ㅤPBA MAIN-SGHZ140;SGHZ140,SEG,GERM,PB GH92-02145A

QMW02 ㅤPCT-MAIN WINDOW V2;SGH-Z140,ACRYL SH GH72-24809A

QRF01 ㅤMPR-TAPE RF COVER;SGH-Z140,PET,PI7XT GH74-15117A

QSC01 ㅤMPR-SCREW CAP PC SHEET;SGH-Z140,PC S GH74-15486A

QSC13 ㅤRMO-REAR SCREW CAP RUBBE;SGH-Z140,SI GH73-05129A

QSH01 ㅤMEC-SHIELD CAN;SGH-Z140,EU,-,-,-,-,S GH75-07325A

QSP01 ㅤSPEAKER;0.7W,8ohm,89dB+-2dB,800Hz,14 3001-001766

QVO01 ㅤPMO-VOLUME KEY;SGH-Z140,PC+POLY URET GH72-24664A

QFL01 ㅤMEC-FOLDER LOWER;SGH-Z140,EU,-,-,-,- GH75-07178A

ㅤQHI01 MEC-HINGE;SGH-Z140,EU,-,-,-,-,SIL,- GH75-07179A

QCH03 ㅤMEC-CAMERA HINGE;SGH-Z140,EU,-,-,-,- GH75-07180A

QFR01 ㅤMEC-FRONT COVER;SGH-Z140,EU,-,-,-,-, GH75-07181A

ㅤQRF03 PMO-EAR COVER;SGH-Z140,PC+POLY URETH GH72-22392A

QKP01 ㅤMEC-KEYPAD;SGH-Z140,EU,-,-,-,-,BLK,- GH75-07257A

QFU01 ㅤMEC-FOLDER UPPER V2;SGH-Z140,EU,-,-, GH75-07996A

ㅤQLB02 MEC-SUB LCD BRACKET V2;SGH-Z140,EU,- GH75-08025A

QAN01 ㅤANTENNA-SGHZ140;HFP-01502-0000AA,SGH GH42-00562A

QRE01 ㅤMEC-REAR COVER;SGH-Z140,EU,-,-,-,-,B GH75-07182A

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