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SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

7-8

VCCA

 

C303

 

C311

 

R14 

VREGP  M13

 

VRTC

 

H11

 

VSIM

 

K12

 

G5 

VSS1 

K4 

VSS2 

VSS3 

R2 

VSS4 

P6 

VXVCM  R13

 

XOENAQ 

D1 

VL5S_A

 

D10

 

C9
 

VL5S_B

 

VLDO_1

 

G11

 

VLDO_2

 

J12

 

A13

 

VLDO_3

 

VLDO_4

 

B12

 

VLDO_5

 

B10

 

VLDO_6

 

A14

 

VLDO_7

 

C12

 

VREF

 

A10

 

VREGN 

VDDB 

A6 

VDDD 

N11 

VDDV 

L11 

VDD_IO1 

N5 

J4 

VDD_IO2 

C4 

VDD_OCTL 

VEXT

 

E14

 

VIB_DRV

 

F15

 

VIB_RNG_EN 

L9 

VL4S_A

 

A12

 

VL4S_B

 

B11

 

P10

 

UP_RST

 

R10

 

VACC

 

F14

 

VBAT

 

E13

 

VDD1 

J3 

VDD12

 

J13

 

VDD2 

M3 

VDD3 

N6 

VDD34

 

C11

 

VDD5 

C10 

VDD67 

B13 

SDO_PSC

 

N7
 

SERCK

 

C2
 

SERDA

 

C1
 

B1
 

SERLE1

 

SERLE2

 

A2
 

SIM_CLK

 

K14

 

SIM_IO

 

J11

 

SIM_RST

 

K11

 

TXP E7

 

UP_CLK

 

N9
 

UP_IO

 

RESET_O 

K9 

RING_DRV

 

F13

 

RTC_ALMN

 

H10

 

RTC_CLK 

N4 

RWN

 

L2
 

RXTXIN 

D6 

RXTXIP 

D7 

RXTXQN 

C6 

RXTXQP 

C7 

SCLK_PSC

 

L8
 

M7
 

SDI_PSC

 

A4
 

G6
 

OCTL5

 

OCTL6

 

B3
 

A3
 

OCTL7

 

PSW1_BUF 

L7 

PWR_KEEP 

M9 

PWR_SW1N 

C15 

PWR_SW2 

C14 

RAREF1 

B6 

RAREF2 

B5 

R3
 

RESETN_CSP

 

N14 

MICOUTN 

P15 

MICOUTP 

N15 

MODE N10

 

NC5 

NC6 

NC7 P5

 

OCTL0

 

E6
 

C5
 

OCTL1

 

OCTL2

 

F5
 

E5
 

OCTL3

 

OCTL4

 

GND_HCUR 

F11 

GND_OCTL 

B4 

GND_PSC1 

B15 

GND_PSC2 

K15 

INTRQ  L10

 

L3
 

I|O
 

LED1_DRV

 

G13

 

LED2_DRV

 

G12

 

R6 

MC 

MICINN  M14

 

MICINP 

J10 

GNDS17 

K10 

GNDS2 

F8 

GNDS3 

F9 

GNDS4 

F10 

GNDS5 

G7 

GNDS6 

G8 

GNDS7 

G9 

G10 

GNDS8 

GNDS9 

H6 

GNDV 

P13 

P3 

F6 

GNDB 

GNDD 

M10 

GNDQ 

E8 

F7 

GNDS1 

GNDS10 

H7 

GNDS11 

H8 

H9 

GNDS12 

J7 

GNDS13 

GNDS14 

J8 

GNDS15 

J9 

GNDS16 

DB14

 

D3
 

DB15

 

D2
 

DB2

 

K3
 

J5
 

DB3

 

DB4

 

J6
 

DB5

 

H5
 

G3
 
DB6

 

DB7

 

G4
 

DB8

 

F4
 

DB9

 

F1
 

DINTR 

K8
 

DAICK  R4

 

L6 

DAIDI  
DAIDO  M6

 

DAIRN  P4

 

DB0

 

K1
 

DB1

 

K2
 

DB10

 

F2
 

DB11

 

F3
 

DB12

 

E2
 

DB13

 

E3
 

AOUTBN 

R12 

AOUTBP 

L14 

AUXINN 

AUXINP  M15

 

L13 

AUXOUTN 

AUXOUTP 

K13 

D13 

AUX_ADC3 

CH_BDRV

 

E11

 

CH_ISEN

 

F12

 

CH_RES

 

D14

 

E9
 

CREF

 

CSN_PSC

 

AB4

 

N2
 

AB5

 

M2
 

M1
 

AB6

 

AB7

 

K7
 

AB8

 

K5
 

ADC_AUX1

 

E10

 

ADC_AUX2

 

D15

 

AFC D9

 

AOUTAN 

N12 

AOUTAP 

P11 

P12 

U300

 

AB0

 

K6
 

P1
 

AB1

 

AB2

 

L5
 

N1
 

AB3

 

VRTC

 

TP305 

TP310

 

VCC_1.8A

 

C316

 

C313

 

1uF

 

C310

 

10V

 

VCCD

 

C307

 

R300

 

TP307

 

C317

 

VRF

 

9

 

GG

 

10
 

11
 

2

 

2

 

33
 

4

 

4

 

5

 

5

 

6

 

6

 

7

 

GG

 

8

 

CN300

 

R302

 

C308

 

C304

 

U303

 

NEG

 

POS

 

C327

 

VCCB

 

C305

 

VRTC

 

VRF

 

C314

 

Q300

 

1

 

3

 

2

 

VCCD

 

C315

 

C312

 

R303

 

R304

 

TP306

 

VCCD

 

VCCA

 

R309

 

R312

 

R310

 

C324

 

C325

 

C326

 

C301

 

R311

 

TP308

 

TP301

 

C309

 

VBAT

 

C300

 

VBAT

 

R308

 

6

 

_ACOK

 

8

 

_CHG

 

5

 

_EN

 

R301

 

9

 

GG

 

10
 11
 

GG

 

12
 

GND

 

3

 

2

 

IN
 

4

 

ISET

 

VL
 

1

 

U301

 

BATT

 

7

 

C318

 

C306

 

VCCD

 

C302

 

C322

 

TP309

 

AUXOUTP 

AUXINN 

AUXOUTN 

EAR_ADC

 

VBAT

 

AOUTBP 

TA_VEXT

 

ICHRG

 

CHG_ON

 

CHG_DET

 

INTRQ

 

KEY_COL(2)

 

KEY_ROW(0)

 

PWR_KEEP

 

XOENA

 

PCS_RX_EN

 

FLASH_RESET

 

DSP_IO

 

DSP_RWN

 

AUXINP 

AOUTAN 

AOUTBN 

AOUTAP 

RF_EN

 

MICINN 

MICOUTN 

RTCALARM

 

RTX_IP

 

RTX_QN

 

RTX_QP

 

RTX_IN

 

RST 

KEY_BL1

 

SIMRST

 

SIMDATA

 

SIMCLK

 

UP_SDO

 

VREF

 

DSP_AB(0)

 

UP_SDI

 

UP_SCLK

 

MICOUTP 

MICINP 

UP_CS

 

AFC

 

TXPOWER

 

CLK13M_MC 

CLK32K 

DSP_INT 

PWR_ON 

JIG_ON 

DSP_DB(15)

 

DSP_DB(14)

 

DSP_DB(13)

 

DSP_DB(12)

 

DSP_DB(11)

 

DSP_DB(10)

 

DSP_DB(1)

 

DSP_DB(0)

 

DSP_AB(8)

 

DSP_AB(7)

 

DSP_AB(6)

 

DSP_AB(5)

 

DSP_AB(4)

 

DSP_AB(3)

 

DSP_AB(2)

 

DSP_AB(1)

 

DSP_DB(0:15)

 

DSP_AB(0:8)

 

DCS_TX_EN

 

GSM_TX_EN

 

SERLE

 

SERDAT

 

SERCLK

 

TX_EN

 

TX_BAND_SEL

 

DSP_DB(9)

 

DSP_DB(8)

 

DSP_DB(7)

 

DSP_DB(6)

 

DSP_DB(5)

 

DSP_DB(4)

 

DSP_DB(3)

 

DSP_DB(2)

 

Summary of Contents for SGH-C230

Page 1: ...SM TELEPHONE SGH C230 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 ...

Page 2: ...Co Ltd MAY 2005 Printed in Korea Code No GH68 07224A 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 ⓒ ...

Page 3: ...ge 0 124 975 1023 512 885 512 810 Tx Rx spacing 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm 100dBm 100dBm TDMA Mux 8 8 8 Ce...

Page 4: ...SAMSUNG Proprietary Contents may change without notice Specification 1 2 This Document can not be used without Samsung s authorization ...

Page 5: ...r and Tx modulator are controlled by serial data to select channel and use fast lock mode for GPRS high class operation Si4210 U100 The receive section integrates four differential input low noise amplifiers LNAs supporting the GSM850 EGSM900 DCS1800 and PCS1900 bands The LNA inputs are matched to the 150 ohm balanced output SAW filters through externa LC matching network A quadrature Image reject...

Page 6: ...able LDO provides support for 1 8V 3 0V SIMs while a self resetting electronically fused switch supplies power to external accessories Ancillary support functions such as two LED drivers and two call alert drivers aid in reducing both board area and system complexity A four wire serial interface unit SIU provides access to control and configuration registers This interface gives a microprocessor f...

Page 7: ...utput and the ground 2 2 2 Connector JTAG Connector Trident has two JTAG ports which are for ARM core and DSP core DSP16000 So this system has two port connector for these ports Pins initials for ARM core are CP_ and pins initials for DSP core are DSP_ CP_TDI and DSP_TDI signal are used for input of data CP_TDO and DSP_TDO signals are used for the output of the data CP_TCK and DSP_TCK signals are ...

Page 8: ...ortable 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 func...

Page 9: ...st signals from each units such as YMU Ear jack Ear mic and CSP1093 need the compatible process Some PPI pins has many special functions CP_KB 0 9 receive the status from key FPCB and are used for the communications using data link cable DEBUG_DTR RTS TXD RXD CTS DSR And UP_CS SCLK SDI control signals for CSP2200 are outputted through PPI pins It has signal port for charging CHG_DET SIM_RESET and ...

Page 10: ...hen notifies the DSP which has sample time to read the information out before the next 32 sample pairs are stored The voice band ADC converter issues an interrupt to the DSP whenever it finishes converting a 16 bit PCM word The DSP then reads the new input sample and simultaneously loads the voice band output DAC converter with a new PCM output word The voice band output can be connected directly ...

Page 11: ... change without notice 3 Exploded View and Parts List 3 1 This Document can not be used without Samsung s authorization QRF03 QVO01 QKP01 QSP01 QMO01 QFR01 QLC01 QMP01 QME01 QAN01 QRE01 QCR11 QBA01 QIF01 QMI01 QRF01 3 1 Exploded View ...

Page 12: ...5 04859A QKP01 MEC KEYPAD GH75 06834B QSP01 SPEAKER 3001 001760 QMO01 MOTOR DC GH31 00163A QLC01 LCD SGHC210 MAIN GH07 00701A QMP01 MAIN PBA GH92 02137A QME01 UNIT METAL DOME GH59 02124A QMI01 MICROPHONE ASSY GH30 00187A QAN01 ANTENNA GH42 00551A QRF03 PMO EAR COVER GH72 21155A QRE01 MEC REAR CASE GH75 06760A QIF01 PMO IF COVER GH72 21397A QCR11 SCREW MACHINE 6001 001654 QRF01 MPR RF SHEET GH74 14...

Page 13: ... ST GH59 01543A LABEL P WATER SOAK SCH X110 NORGE 1 GH68 02026A MANUAL USE SGH C230 XSP ENGLISH SIPL GH68 06943A LABEL R MAIN EU SGH C230 EU POLYES GH68 07006A BOX P UINIT SEA SGH C230 SC300 S12 GH69 02620A CUSHION CASE 1 2 SGH C230 PULP T0 8 GH69 02914A MPR ESD TAPE SGH C200 3M 851 7X5 GH74 05583A MPR MAIN WINDOW BOHO VI SGH C207 STA GH74 09827A MPR MAIN WINDOW BOHO SGH C200 S T 55 GH74 11299A MP...

Page 14: ... view and Part List 3 4 This Document can not be used without Samsung s authorization 3 3 Test Jig GH80 00865A 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00127A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00143B 3 3 6 TA GH44 00184A ...

Page 15: ...CER CHIP 2203 005450 C126 C CER CHIP 2203 002677 C127 C CER CHIP 2203 000278 C128 C CER CHIP 2203 005234 C129 C CER CHIP 2203 005234 C130 C CER CHIP 2203 001017 C131 C CER CHIP 2203 000696 C132 C CER CHIP 2203 000696 C133 C CER CHIP 2203 005482 C134 C CER CHIP 2203 000386 C135 C CER CHIP 2203 001412 C136 C CER CHIP 2203 005482 C137 C CER CHIP 2203 001072 C200 C CER CHIP 2203 000254 C201 C CER CHIP...

Page 16: ...C CER CHIP 2203 005065 C324 C TA CHIP 2404 001268 C325 C CER CHIP 2203 000233 C326 C TA CHIP 2404 001268 C327 C CER CHIP 2203 006257 C401 C CER CHIP 2203 000812 C402 C CER CHIP 2203 000812 C403 C CER CHIP 2203 005496 C404 C CER CHIP 2203 000995 C405 C CER CHIP 2203 000628 C406 C CER CHIP 2203 000425 C407 C CER CHIP 2203 005496 C409 C CER CHIP 2203 000812 C410 C TA CHIP 2404 001305 C411 C CER CHIP ...

Page 17: ...8 C545 C CER CHIP 2203 005061 C546 C CER CHIP 2203 006562 C548 C CER CHIP 2203 006257 C549 C TA CHIP 2404 001088 C550 C CER CHIP 2203 006348 C551 C CER CHIP 2203 005482 C552 C CER CHIP 2203 000233 C600 C CER CHIP 2203 005061 C601 C CER CHIP 2203 005061 C602 C CER CHIP 2203 000233 C603 C CER CHIP 2203 000254 C700 C CER CHIP 2203 000438 C701 C CER CHIP 2203 000233 C703 C CER CHIP 2203 006348 C704 C ...

Page 18: ... 001673 L503 INDUCTOR SMD 2703 002206 L701 INDUCTOR SMD 2703 002339 L702 BEAD SMD 3301 001659 LED601 LED 0601 002020 LED602 LED 0601 002020 LED603 LED 0601 002020 LED604 LED 0601 002020 LED605 LED 0601 002020 LED606 LED 0601 002020 LED607 LED 0601 002020 LED608 LED 0601 002020 LED609 LED 0601 002020 LED610 LED 0601 002020 OSC200 CRYSTAL SMD 2801 003856 PCB PCB SGHC230PCB GH41 00865A Q300 TR DIGITA...

Page 19: ...0 R CHIP 2007 000171 R301 R CHIP 2007 001319 R302 R CHIP 2007 000172 R303 R CHIP 2007 000171 R304 R CHIP 2007 000167 R310 R CHIP 2007 007142 R311 R CHIP 2007 008263 R312 R CHIP 2007 000157 R400 R CHIP 2007 007468 R401 R CHIP 2007 007142 R402 R CHIP 2007 000148 R403 R CHIP 2007 007142 R404 R CHIP 2007 007468 R405 R CHIP 2007 001320 R406 R CHIP 2007 000142 R407 R CHIP 2007 001317 R408 R CHIP 2007 00...

Page 20: ...2 R CHIP 2007 000171 R533 R CHIP 2007 000171 R534 R CHIP 2007 000171 R535 R CHIP 2007 000171 R536 R CHIP 2007 000171 R538 R CHIP 2007 000171 R539 R CHIP 2007 000775 R540 R CHIP 2007 001325 R541 R CHIP 2007 000171 R542 R CHIP 2007 000171 R600 R CHIP 2007 000174 R601 R CHIP 2007 000174 R602 R CHIP 2007 000174 R603 R CHIP 2007 000174 R604 R CHIP 2007 000174 R605 R CHIP 2007 000174 R606 R CHIP 2007 00...

Page 21: ...4426 U200 IC MICOM SGHX480 GH09 00036A U201 IC MICOM SGHV100 GH09 00022A U300 IC POWER SUPERVISOR 1203 003304 U301 IC BATTERY 1203 003109 U303 BATTERY LI 2ND 4302 001130 U401 IC VOLTAGE COMP 1202 001068 U402 IC ANALOG SWITCH 1001 001261 U500 IC DEMODULATOR 1204 002398 U501 IC AUDIO AMP 1201 002238 U504 PHOTO IRDA 0604 001261 U505 IC POSI FIXED REG 1203 002782 U506 IC MELODY 1204 002161 U507 IC ANA...

Page 22: ...082 V702 VARISTOR 1405 001082 V703 VARISTOR 1405 001082 V704 VARISTOR 1405 001082 V705 VARISTOR 1405 001082 V706 VARISTOR 1405 001093 VOL_DN SWITCH TACT 3404 001152 VOL_UP SWITCH TACT 3404 001152 ZD501 DIODE TVS 0406 001201 ZD502 DIODE TVS 0406 001201 ZD600 DIODE TVS 0406 001194 ZD601 VARISTOR 1405 001108 ZD602 VARISTOR 1405 001108 ZD603 VARISTOR 1405 001108 ZD701 DIODE TVS 0406 001083 ZD702 DIODE...

Page 23: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 Block Diagrams 5 1 5 1 RF Solution Block Diagram ...

Page 24: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 5 2 5 2 Base Band Solution Block Diagram ...

Page 25: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 PCB Diagrams 6 1 6 1 PCB Top Diagram ...

Page 26: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams This Document can not be used without Samsung s authorization 6 2 6 2 PCB Bottom Diagram ...

Page 27: ...wer On Voltage 3 3V Download again Charge the Battery pin J12 of U300 2 8V Check U300 and C314 pin A13 of U300 2 8V Check U300 and C315 Check the clock signal at pin 3 of U102 Freq 26MHz Vrms 300mV Check the clock generation circuit related to U102 END No Yes Yes Yes Yes Yes No No No No pin G11 1 8V No Yes Check the VBATT Voltage Check the pin of U300 Check the initial operation Check the current ...

Page 28: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 2 ...

Page 29: ...pin J12 of U300 2 825V Initialization Failure Check the U300 If it has some problem adjust it END No Yes Is the pin K9 of U300 Low High Yes Check the U200 32 768kHz wave forms at the C216 and C217 Check the LCD Part Yes No Yes Yes The Voltage is High at the C313 Check the Audio Part No Check the U300 If it has some problem adjust it Check the U300 LCD display is O K No No Yes Yes Sound is O K No ...

Page 30: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 4 ...

Page 31: ...This Document can not be used without Samsung s authorization 7 5 7 3 SIM Part Are there any Signals at pin N9 R10 P10 of U300 Insert SIM is displayed on the LCD Check the U200 Check the SIM Card END No Yes Yes Yes No Check the U300 Are there any Signals at pin K12 K11 K14 J11 of CN100 ...

Page 32: ...thorization Flow Chart of Troubleshooting 7 6 7 4 Charging Part The pin 17 18 of CN701 is TA_VEXT 5V Abnormal charging operation Replace TA or Check CN701 No END Yes The pin 8 of U301 is 3 2 4 2V Check the U301 No Yes No Solder again or change R310 Yes The ICHRG 1 4V during charging and 180mV full charging ...

Page 33: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 7 ...

Page 34: ...9 GNDS16 DB14 D3 DB15 D2 DB2 K3 J5 DB3 DB4 J6 DB5 H5 G3 DB6 DB7 G4 DB8 F4 DB9 F1 DINTR K8 DAICK R4 L6 DAIDI DAIDO M6 DAIRN P4 DB0 K1 DB1 K2 DB10 F2 DB11 F3 DB12 E2 DB13 E3 AOUTBN R12 AOUTBP L14 AUXINN AUXINP M15 L13 AUXOUTN AUXOUTP K13 D13 AUX_ADC3 CH_BDRV E11 CH_ISEN F12 CH_RES D14 E9 CREF CSN_PSC AB4 N2 AB5 M2 M1 AB6 AB7 K7 AB8 K5 ADC_AUX1 E10 ADC_AUX2 D15 AFC D9 AOUTAN N12 AOUTAP P11 P12 U300 A...

Page 35: ...Samsung s authorization 7 9 7 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C410 2 5V Reassemble the microphone Solder the microphone again or Replace around Mic Circuit C403 C407 R407 R410 END No Yes Yes Yes Yes No Is microphone ok No Check U300 Check the reference voltage on Mic path ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 10 ...

Page 37: ... 7 11 7 6 Speaker Part Is the terminal of Speaker O K There is no sound from Speaker No Replace the Speaker The pin 4 of U402 is Check U402 The pin 4 of U402 is Check U402 Are there any signals at the pin 5 and END Yes Yes No The type of sound from the Speaker is Melody Yes No No No Yes Yes Yes Are there any signals at the pin 2 and No Check U300 ...

Page 38: ... R402 R419 1 V R406 G 14 GND 6 4 IN1 8 IN2 NC1 5 NC2 7 2 NO1 10 NO2 U402 COM1 3 COM2 9 11 G G 12 13 G C411 2 1 3 5 4 VCCD U401 R405 C407 C421 R400 R415 C422 C410 C408 8 8 99 11 GG 12 13 GG 14 11 10 10 2 2 33 4 4 55 6 6 77 CN400 C414 R425 VBAT R404 MIC1 C401 V401 V402 C405 C419 R424 R403 VCCA R409 C412 R401 R412 C416 R417 L403 C402 C417 AOUTBP RADIO_SHUTDOWN SPK_TN SPK_TP EARSPK_R EARSPK_L SPK_TN E...

Page 39: ...X ON RF INPUT 62CH AMP 50dBm NORMAL CONDITION catch the channel U100 CHECK pin 31 26MHz Vp p 860mV F100 CHECK pin 11 65dBm U100 CHECK pin 21 22 65dBm Check soldered status of C108 L111 L102 CN100 resolder or change F100 C127 L108 resolder or change C131 C132 L109 resolder or change U102 CHECK clean 3V CHECK U300 YES NO NO NO NO NO NO YES YES YES YES U102 CHECK 26MHz Vp p 950mV U102 Resolder or Cha...

Page 40: ...ITION TX POWER DAC 500 CODE APPLIED CH 62 RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB F100 pin 7 about 2 3 dBm CN100 C105 check change F100 pin 4 3 V U300 check change C106 4 5dBm U101 check change C109 3 7 V NO NO YES YES YES NO NO BATTERY U100 check change Between R101 U101 1 2V YES NO R101 check change R102 5dBm YES YES U101 change U300 check YES NO U100 change or resolder NO ...

Page 41: ... 50dBm F100 CHECK pin 9 65dBm NORMAL CONDITION catch the channel U100 CHECK pin 31 26MHz Vp p 860mV F100 CHECK pin 1 65dBm U100 CHECK pin 19 20 65dBm Check soldered status of C108 L111 L102 CN100 resolder or change F100 C130 L110 resolder or change C129 C128 L107 resolder or change U102 CHECK clean 3V CHECK U300 YES NO NO NO NO NO NO YES YES YES YES YES U102 CHECK 26MHz Vp p 950mV U102 Resolder or...

Page 42: ... DCS 660CH PCS TX POWER CODE 350 CODE APPLIED RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB U101 change or resolder F100 pin 5 about 2 3 dBm CN100 C105 check change F100 pin 10 3 V U300 check change L101 4 5dBm U101 check change C109 3 7 V NO NO YES YES YES NO NO BATTERY U100 check change Between R101 U101 1 2V YES NO R101 check change NO R100 5dBm YES YES YES U300 check NO U100 change o...

Page 43: ... 50dBm F100 CHECK pin 9 65dBm NORMAL CONDITION catch the channel U100 CHECK pin 31 26MHz Vp p 860mV F100 CHECK pin 3 65dBm U100 CHECK pin 17 18 65dBm Check soldered status of C108 L111 L102 CN100 resolder or change F100 C125 L106 resolder or change C126 C124 L105 resolder or change U102 CHECK clean 3V CHECK U300 YES NO NO NO NO NO NO YES YES YES YES YES U102 CHECK 26MHz Vp p 950mV U102 Resolder or...

Page 44: ... DCS 660CH PCS TX POWER CODE 350 CODE APPLIED RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB U101 change or resolder F100 pin 5 about 2 3 dBm CN100 C105 check change F100 pin 10 3 V U300 check change L101 4 5dBm U101 check change C109 3 7 V NO NO YES YES YES NO NO BATTERY U100 check change Between R101 U101 1 2V YES NO R101 check change NO R100 5dBm YES YES YES U300 check NO U100 change o...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 19 ...

Page 46: ... 3 10 VC1 VC2 4 2 VC3 9 1 DCS_RX DCS PCSTX 5 11 EGSM_RX EGSM_TX 7 G 86 G 12 G F100 ANT L112 8 VCC2 VCC2 18 VCC_OUT 13 VRAMP 6 12 11 G G 9 G 19 G 17 7 GSM_IN GSM_OUT 10 3 TX_EN VBATT 4 U101 2 BS 5 CEXT DCS PCS_IN 1 DCS PCS_OUT 16 G 15 G 14 G C109 C113 C111 C116 C104 C114 C107 C115 5 G G 6 CN100 2 A C 3 G 1 G 4 VBAT R100 0 L102 L103 3 9nH C112 EGSMRX PCS_RX_EN DCS_TX_EN GSM_TX_EN PCSRX DCSRX TXPOWER...

Page 47: ...1 R106 C127 L108 L110 C128 L107 L109 C120 R104 C131 C125 C130 C133 L105 L106 VCCD C136 C134 VRF C123 9 _PDN 10 _RESET _SEN 2 VDD 29 11 VIO XDIV 26 32 XEN XMODE 25 8 XOUT 31 XTAL1 30 XTAL2 RFIPP 17 16 RFOH RFOL 15 SCLK 1 SDIO 3 VDD 12 VDD 13 28 VDD 35 NC RFIAN 24 RFIAP 23 20 RFIDN RFIDP 19 RFIEN 22 RFIEP 21 18 RFIPN 27 AFC BIN 6 7 BIP 4 BQN 5 BQP 14 GND GND 33 34 NC U100 C132 13MHZ_BB CLK13M_YMU XO...

Page 48: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 22 ...

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