Samsung SGH-S410i Service Manual Download Page 35

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SGH-S410i Main Electrical Parts List

This Document can not be used without Samsung's authorization

SEC CODE

Design LOC

Discription

SEC CODE

Design LOC

Discription

2203-000233

C136

C-CER,CHIP

3301-001342 F400

BEAD-SMD

2203-000233

C144

C-CER,CHIP

3301-001342 L109

BEAD-SMD

2203-000233

C421

C-CER,CHIP

3301-001342 U404

BEAD-SMD

2203-000254

C103

C-CER,CHIP

3301-001729 L301

BEAD-SMD

2203-000254

C104

C-CER,CHIP

3404-001152 SW1

SWITCH-TACT

2203-000254

C106

C-CER,CHIP

3404-001152 SW2

SWITCH-TACT

2203-000254

C131

C-CER,CHIP

3404-001152 SW3

SWITCH-TACT

2203-000254

C132

C-CER,CHIP

3705-001347 CN100

CONNECTOR-COAXIAL

2203-000254

C133

C-CER,CHIP

3709-001298 CN401

CONNECTOR-CARD EDGE

2203-000254

C202

C-CER,CHIP

3710-002194 CN504

CONNECTOR-SOCKET

2203-000254

C203

C-CER,CHIP

3711-005817 CN507

CONNECTOR-HEADER

2203-000254

C207

C-CER,CHIP

3722-002082 CN400

JACK-PHONE

2203-000254

C209

C-CER,CHIP

4202-001037 ANT101

ANTENNA-CHIP

2203-000254

C222

C-CER,CHIP

4302-001184 M400

BATTERY-LI(2ND)

2203-000254

C223

C-CER,CHIP

4709-001372 U104

BLUETOOTH MODULE

2203-000254

C358

C-CER,CHIP

GH09-00033A U201

IC MICOM-SGHE720

2203-000254

C401

C-CER,CHIP

GH30-00185A

MICROPHONE
-ASSY

MICROPHONE-ASSY

2203-000254

C402

C-CER,CHIP

GH59-02062A

UNIT-METAL
DOME

UNIT-METAL DOME

2203-000254

C426

C-CER,CHIP

Summary of Contents for SGH-S410i

Page 1: ...GSM TELEPHONE SGH S410i GSM TELEPHONE CONTENTS 1 Specification 2 Flow Chart of Troubleshooting 3 Exploded Views and Parts List 4 Electrical Parts List 5 PCB Diagrams 6 Block Diagrams ...

Page 2: ...30 1990 ARFCN range 1 124 0 124 975 1023 512 885 512 810 Tx Rx spacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 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 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Clas...

Page 3: ... 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 TX Power control level PCS1900 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...

Page 4: ...heck the current consumption Current consumption 100mA Check the Vbat voltage Download again Voltage 3 3V Check the pins of U401 C415 1 8V Check the Initial operation END C418 and C419 2 9V Charge the Battery Check the clock generation circuit OSC101 F100 pin 4 Check the clock signal at pin 3 of OSC101 Freq 13MHz Vrms 300mV Check U401 and C420 Check U401 and C415 NO NO NO NO NO NO YES YES YES YES ...

Page 5: ...4S_A B11 VL4S_B D10 VL5S_A VL5S_B C9 G11 VLDO_1 J12 VLDO_2 A13 VLDO_3 F14 VACC E13 VBAT L8 SCLK_PSC SDI_PSC M7 N7 SDO_PSC F13 RING_DRV G13 LED1_DRV G12 LED2_DRV CSN_PSC K8 C415 VCCA_2 9V C420 VCCB_2 9V C419 VRF_2 9V VCCD_2 9V C418 KEY_BL2 KEY_BL1 UP_CS UP_SDO UP_SDI UP_SCLK VSIM DCS_TX_EN GSM_TX_EN MOT VRTC_2 9V C125 C132 R124 L109 R109 R111 C129 C126 R110 R108 2 A 3 GND NC 1 5 VCC Y 4 F100 VRF_2 ...

Page 6: ... The voltage at the ZD405 Low High There is 32 768KHz wave form at the C216 C217 The voltage on R412 is Low High The voltage is 2 9V at the C416 C418 C419 LCD Display OK Sound operation OK END Check the OSC201 Check the OSC201 Check the U401 Check the LCD part Check the Audio part YES NO NO NO NO YES YES YES YES YES NO NO NO YES Check the U401 If it has some problem it has to be replaced Check the...

Page 7: ...L Q R T N I CREF E9 D15 ADC_AUX2 E10 ADC_AUX1 C426 VBAT ZD405 R407 RST F U B _ 1 W S P INTRQ N O _ G I J N O _ R W P PWR_KEEP VIB_EN C T R 1 X 9 1 H 9 1 F C T R 2 X 4 1 L N E _ D M C _ I C M _ 9 3 O I P N E _ T A D _ I C M _ 0 4 O I P 4 1 M 4 1 N N E _ 0 T A D _ I C M _ 3 4 O I P 5 G 6 4 O I P _ 1 M W P N M R A L A C T R 7 1 H 9 1 U 8 2 O I P 7 1 W 2 3 O I P 3 1 R 5 1 P P E E K R W P _ 9 1 O I P Q...

Page 8: ...ubleshooting 2 5 This Document can not be used without Samsung s authorization 2 1 3 Sim Part The voltage is 2 8V at the pin 1 of CN401 Check the U401 Insert SIM is displayed on the LCD END Check the SIM Card YES NO NO YES Is there any signal pin 2 3 4 of CN401 Check the U401 OSC201 ...

Page 9: ... authorization 2 1 4 Microphone Part Micro phone does not work Is the assembled status of Microphone O K YES Reassemble the microphone NO Check the DC bias voltage on Mic path The voltage of C437 is about 2 2V 10 NO Solder the microphone again or Replace C437 C438 R430 R433 R458 R453 C430 C432 R421 R422 Is microphone OK NO Check U401 END YES YES ...

Page 10: ...oting 2 7 This Document can not be used without Samsung s authorization R458 R453 C436 R424 C465 R428 C433 R430 R457 C435 C440 C474 1UF MIC400 C439 1UF C473 VCCA_2 9V R433 C434 C464 C432 C437 R421 R422 C430 C438 C466 HPOUT R HPOUT L EAR_R EAR_L MIC JACK_INT MIC MICOUTN MICINN MICINP MICOUTP ...

Page 11: ...ny signal at the pin 40 42 of CN507 NO Check the LCD module Replace CN507 There is no sound from speaker YES YES The type of sound from the speaker is Melody YES NO Are there any signal at the pin 1 5 of U403 Are there any signal at the pin 3 15 of U403 Check U402 U401 OSC201 NO NO Pin 2 of U403 is Low Pin 2 of U403 is High Check U403 NO NO YES YES YES YES END Pin 14 of U403 is 3 4 4 2V YES Pin 3 ...

Page 12: ...on does not work Check the connect CN507 NO Connect the CN507 Pin 4 of U306 1 8V NO NO Pin 3 of OSC300 is 24 5MHz NO Pin 9 of U302 2 8V Check OSC201 END YES YES YES YES Is that clock signal at the pin 30 of CN507 NO Pin 2 of U302 High YES Check the U306 R376 Check OSC201 NO NO Pin 56 of CN507 is High Check U300 Replace OSC300 YES Check Q301 Pin 3 of Q301 1 8V NO YES Pin 1 of Q301 Low NO YES ...

Page 13: ..._DA4 J4 K1 LS_CS_N L_ADS G7 H7 L_CS_N L_DA0 K6 J6 L_DA1 L_DA10 H2 H3 L_DA11 L_DA12 H4 J5 G5 J1 GND 0 _ O I P G 5 C 5 B 1 _ O I P G 2 _ O I P G 5 A 4 C 3 _ O I P G 4 _ O I P G 4 B 4 A 5 _ O I P G H8 9 H K C S M _ D 9 J 8 K N I A T A D S _ D T U O A T A D S _ D 0 1 H GND D4 E4 GND GND F4 E6 GND GND 2 A K L C P _ C 2 B 1 B N D W P _ C 3 A T S R _ C K C S _ C 1 C 2 C A D S _ C 1 A S V _ C 0 1 J K C B ...

Page 14: ... 15 15 16 16 17 17 CN507 1 1 C516 C517 C524 OLED_BACK_EN 2 8V_VCAM KEY_COL 0 LCD_RD CAM_RST KEY_COL 2 LCD_AD 03 LCD_AD 05 L_ADS SUB_L_CS FLASH_RESET SCL SDA M_CLK P_CLK VER_REF HOR_REF LCD_AD 01 SPK1P SPK1N MP3_MIC MP3_GND LCD_WEN LCD_AD 14 LCD_AD 12 LCD_AD 10 LCD_AD 08 VCCD_2 9V LCD_AD 06 LCD_AD 04 LCD_AD 02 LCD_AD 00 LCD_AD 07 LCD_AD 09 LCD_AD 11 LCD_AD 13 LCD_AD 15 1 8V_VCAM CAM_DA 7 CAM_DA 6 C...

Page 15: ...re is no MP3 sound from Earphone YES YES Are there any signal at the R350 351 NO The voltage of C334 is 3 3V NO YES YES END Check the U301 Are there any signal at the pin 4 6 of CN400 Are there any signal at the pin 9 13 of U403 NO YES Pin 10 of U403 is Low NO YES Pin 14 of U403 is 3 3 4 2V YES Pin 3 of U303 is High NO YES Check OSC201 Check U403 Check U303 END NO Check U401 Check R350 351 The vol...

Page 16: ...SS2 C9 J4 I2C INT D1 J6 LRCK MCKO 3 A L P E E B 4 A M P E E B R P E E B 3 B BICK H6 H1 CAD0 CCLK SCL H3 J3 CDTI SDA CDTO H4 H2 CSN CAD 8 H D D V D S S V D 8 J 2 B N I A N I X U A 4 B 5 B N I X U A 1 D D V A 2 E 2 F 2 D D V A 1 E S S V A U301 C355 100NF C324 3 3V_SW_AK R378 2 8V_VCAM R377 C338 C344 10UF C334 10V R351 R350 R320 C332 C333 9 1 3 R C323 C341 R322 R352 C343 2 8V_VCAM C342 2 8V_VCAM C365...

Page 17: ...403 R464 R471 R472 F400 R410 C463 10V 1UF VBAT C476 C475 C477 C478 SPK1N AOUTAN AUDIO_OUT_SEL EAR_R EAR_L LOUT AOUTBN ROUT EAR_OUT_SEL AOUTBP MELODY SPK1P AOUTAP MELODY C448 4 0 4 D Z C450 L402 C449 R423 3 0 4 D Z C467 R429 0 0 4 D Z 3 3V_SW_AK C471 C451 VCCD_1_8 C440 VCCD_1_8 2 0 4 D Z C470 C474 1UF C439 1UF C473 G 1213 G G 14 15 G G16 G17 18 G 3 3 4 4 5 5 6 6 7 7 8 8 9 9 G 11 CN400 1 1 10 10 2 2...

Page 18: ...red status of L114 L115 C145 L116 C109 C108 L118 V101 Resolder or Change U106 Resolder or Change U103 Check Pin 9 32 Clean 2 9V U103 Check Pin 28 1 2 3 100mV U401 C418 100 130 Check or resolder Check U401 NO NO YES YES YES YES NO YES U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V U103 Change or resolder NO NO NO R112 C132 resolder OSC101 Change or resol...

Page 19: ...k soldered status of L114 L115 C145 L116 C109 C108 L118 V101 Resolder or Change U106 Resolder or Change U103 Check Pin 9 32 Clean 2 8V U103 Check Pin 28 1 2 3 100mV U401 C418 100 130 Check or resolder Check U401 NO NO YES YES YES YES NO YES U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 9V U103 Change or resolder NO NO NO R112 C132 resolder OSC101 Change o...

Page 20: ...14 L115 C145 L116 C109 C108 L118 V101 Resolder or Change U106 Resolder or Change U103 Check Pin 9 32 Clean 2 8V U103 Check Pin 28 1 2 3 100mV U401 C418 100 130 Check or resolder Check U401 NO NO YES YES YES YES NO YES U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V U103 Change or resolder NO NO NO R112 C132 resolder OSC101 Change or resolder YES YES YES ...

Page 21: ...igh U401 Check Change NO C108 L118 V101 Check Change YES U106 Check Change YES Check the Battery Block Level of U101 Pin 20 is 1 2V Check U401 TXP OK U401 Check Change YES YES NO NO NO NO U101 pin 11 About 5 dBm U101 pin 18 High Check U401 YES NO YES U103 Check Pin 9 32 2 9V U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V NO YES NO NO NO R112 C132 resold...

Page 22: ...S Pin 2 High PCS U401 Check Change NO C108 CN100 L103 Check Change YES U106 Check Change YES Check the Battery Block Level of U101 Pin 20 is 1 2V Check U401 TXP OK U401 Check Change YES YES NO NO NO NO U101 pin 15 About 5 dBm U101 pin 18 High Check U401 YES NO YES U103 Check Pin 9 32 2 9V U103 Check Pin 8 13MHz Vpp 860mV OSC101 Check Pin 3 13MHz Vpp 950mV OSC101 Check Pin 4 2 8V NO YES NO NO NO R1...

Page 23: ...SAMSUNG Proprietary Contents may change without notice SGH S410i Flow Chart of Troubleshooting 2 20 This Document can not be used without Samsung s authorization ...

Page 24: ...3M_YMU C134 VRF_2 9V TXQP 6 D D V 9 D D V 2 3 N E X 6 2 N I X 8 T U O X 7 2 N D P _ 10 N E S _ 12 RXQN 1 P Q X R 8 2 K L C S 13 I D S 14 O D S 11 TXIN 5 TXIP 4 TXQN 7 RFIGN 21 RFIGP 20 RFIPN 17 RFIPP 16 D O F R 2 2 G O F R 3 2 RXIN 3 RXIP 2 0 3 D N G D N G 1 3 3 3 D N G 4 3 35 36 D N G RFIDN 19 18 RFIDP 1 G A I D 4 2 2 G A I D 5 2 GND 15 D N G 9 2 U103 C100 VRF_2 9V C130 C136 C144 C123 C122 SERDAT...

Page 25: ...X 7 C V 2 U106 9 T N A G 6 L108 C114 C146 2 5 G 1 IN OUT 3 4 OUT F103 G L101 R102 L117 R101 2 1 GND 4 GSMIN GSMOUT 1 1 D V S R 9 1 C P A V 0 2 T T A B V 7 1 2 VCC1A 6 VCC1B D N G 1 2 7 D N G D N G 8 9 D N G 0 1 D N G GND 4 1 6 1 GND GND 3 1 BS 1 DCS PCSIN 3 5 1 DCS PCSOUT E L B A N E 8 1 GND 5 C145 U101 F102 G 2 G 5 1 IN OUT 3 4 OUT 8 0 1 C C 3 G 1 G 4 G 5 6 G L112 U102 2 A R106 L104 C105 C155 C10...

Page 26: ... and Parts List 3 1 This Document can not be used without Samsung s authorization 3 1 Cellular phone Exploded View QKP01 QFU01 QKP02 QFL01 QMW01 QFR01 QMP01 QAN02 QRE01 QVO01 QBA01 QME01 QCR05 QCR05 QRF03 QCK01 QIF01 QMI01 QME03 QLC01 QGI02 QSP01 QMO01 QCA01 QCR05 QSC05 QRF01 QSC08 ...

Page 27: ...E720 PC GRY GH72 20060A QIF01 PMO IF COVER SGH S410i PC URETHAN SI GH72 17956E QKP01 MEC KEYPAD MAIN SGH S410i EU SIL GH75 06558A QKP02 MEC KEY FOLD MP3 SGH S410i EU S GH75 06564A QLC01 LCD MODULE SGHS410I UF 17E103 A SGH GH07 00693A QME01 UNIT METAL DOME SGH S410i 9KW9589 01 GH59 02062A QME03 UNIT MP3 KEY SGH S410i 9MK9589 01001 GH59 02068A QMI01 MICROPHONE ASSY 2 0 130 500uA 44dB GH30 00185A QMO...

Page 28: ... TAPE GH74 03317A MPR CUSHION MOTOR SGH E720 PORON PI9 GH74 11916A MPR BOHO VINYL SUB WIN SGH E700 STA GH74 12175A MPR MIC SHEET SGH E720 INSULATION 4 GH74 12505A MPR SHEET PBA SGH E720 INSULATION 10 GH74 13227A MPR TAPE FPCB HOLE SGH S410i PET N17 GH74 13495A MPR BOHO VINYL F U SGH S410i SP 600 GH74 13536A MPR BOHO VINYL IF SGH E720 950 85X1 GH74 13606A MPR BOHO VINYL REAR SGH E720 SP 600 GH74 14...

Page 29: ...oded View and Parts List 3 4 This Document can not be used without Samsung s authorization 3 3 Test Jig GH80 03307A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 Data Cable GH39 00279A 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00304A 3 3 6 TC GH44 00701A ...

Page 30: ...D 2203 000438 C546 C CER CHIP 0601 001819 LED314 LED 2203 000628 L112 C CER CHIP 0601 001819 LED315 LED 2203 000643 C155 C CER CHIP 0601 001819 LED316 LED 2203 000654 C410 C CER CHIP 0601 001819 LED317 LED 2203 000812 C117 C CER CHIP 0801 000306 F100 IC CMOS LOGIC 2203 000812 C123 C CER CHIP 0801 002529 U204 IC CMOS LOGIC 2203 000812 C405 C CER CHIP 0801 002975 U308 IC CMOS LOGIC 2203 000812 C408 ...

Page 31: ... 001405 C456 C CER CHIP 1405 001082 V310 VARISTOR 2203 002668 L101 C CER CHIP 1405 001082 V311 VARISTOR 2203 002759 C550 C CER CHIP 1405 001082 V502 VARISTOR 2203 002759 C551 C CER CHIP 1405 001082 V503 VARISTOR 2203 002987 C108 C CER CHIP 1405 001082 V504 VARISTOR 2203 005061 C100 C CER CHIP 1405 001082 V505 VARISTOR 2203 005061 C220 C CER CHIP 1405 001082 V506 VARISTOR 2203 005061 C221 C CER CHI...

Page 32: ...P 2203 005482 C362 C CER CHIP 2007 000143 R517 R CHIP 2203 005482 C365 C CER CHIP 2007 000144 R127 R CHIP 2203 005482 C368 C CER CHIP 2007 000148 R108 R CHIP 2203 005482 C400 C CER CHIP 2007 000148 R111 R CHIP 2203 005482 C403 C CER CHIP 2007 000148 R243 R CHIP 2203 005482 C516 C CER CHIP 2007 000148 R380 R CHIP 2203 005482 C517 C CER CHIP 2007 000151 R241 R CHIP 2203 005482 C524 C CER CHIP 2007 0...

Page 33: ...P 2203 006053 C463 C CER CHIP 2007 000242 R326 R CHIP 2203 006093 C154 C CER CHIP 2007 000775 R402 R CHIP 2203 006093 C312 C CER CHIP 2007 000775 R403 R CHIP 2203 006093 C315 C CER CHIP 2007 000982 R381 R CHIP 2203 006093 C322 C CER CHIP 2007 001119 R428 R CHIP 2203 006093 C323 C CER CHIP 2007 001217 R471 R CHIP 2203 006093 C332 C CER CHIP 2007 001217 R472 R CHIP 2203 006093 C333 C CER CHIP 2007 0...

Page 34: ...07 003025 R351 R CHIP 2703 002199 C145 INDUCTOR SMD 2007 007142 R352 R CHIP 2703 002308 L106 INDUCTOR SMD 2007 007142 R406 R CHIP 2703 002313 L401 INDUCTOR SMD 2007 007142 R421 R CHIP 2703 002313 L402 INDUCTOR SMD 2007 007142 R422 R CHIP 2703 002547 L105 INDUCTOR SMD 2007 007142 R434 R CHIP 2703 002665 L104 INDUCTOR SMD 2007 007142 R454 R CHIP 2801 004225 OSC300 CRYSTAL SMD 2007 007308 R413 R CHIP...

Page 35: ... C CER CHIP 3404 001152 SW3 SWITCH TACT 2203 000254 C132 C CER CHIP 3705 001347 CN100 CONNECTOR COAXIAL 2203 000254 C133 C CER CHIP 3709 001298 CN401 CONNECTOR CARD EDGE 2203 000254 C202 C CER CHIP 3710 002194 CN504 CONNECTOR SOCKET 2203 000254 C203 C CER CHIP 3711 005817 CN507 CONNECTOR HEADER 2203 000254 C207 C CER CHIP 3722 002082 CN400 JACK PHONE 2203 000254 C209 C CER CHIP 4202 001037 ANT101 ...

Page 36: ... 0 5 F 2 0 5 F 5 0 5 F 4 0 5 F 3 0 5 F G1 G2 G3 G4 3 1 1 L 0 2 1 L 0 0 4 M OSC101 OSC201 0 0 3 C S O Q200 1 0 3 Q Q305 3 4 2 R 7 1 5 R 1 W S 3 W S 2 W S TH101 TP10 1 U101 U103 U104 U106 7 0 1 U 1 0 2 U 2 0 2 U U204 0 0 3 U 1 0 3 U U302 U303 U304 6 0 3 U 7 0 3 U U308 U401 2 0 4 U U403 8 1 5 U 9 1 5 U 1 0 1 V 2 0 1 V V201 2 0 5 V V503 V504 5 0 5 V 6 0 5 V 7 0 5 V 0 1 5 V 1 1 5 V 2 1 5 V 4 1 5 V 8 1 ...

Page 37: ..._RWN DSP_TCK DSP_TDI DSP_TDO DSP_TMS GND1 I LED30 1 LED30 2 LED30 3 LED30 4 8 0 3 D E L 9 0 3 D E L 0 1 3 D E L 1 1 3 D E L 2 1 3 D E L 3 1 3 D E L 4 1 3 D E L 5 1 3 D E L 6 1 3 D E L 7 1 3 D E L T F E L U N E M 0 0 4 C I M R W P R31 3 T H G I R RST D N E S SHARP O T S U20 3 4 0 4 U UP V30 1 V30 2 V30 3 V30 4 V30 5 V30 6 V30 7 V30 8 V30 9 V31 0 V31 1 ZD40 2 3 0 4 D Z 4 0 4 D Z ...

Page 38: ...LK13M_MC CLK13M_TR CLK13M_YMU AMP AUDIO MIC Analog Switch STG3699 RF_EN MIC RD38F4455LLYBQ MIC MP3 KEY PAD KB_COL 0 4 KB_ROW 0 4 2V8_RF RF_Power_EN PWR_KEEP I F CON 24P SIM CON SIM_RST SIM_RST SIM_CLK SIM_Data SIM_Data SIM_CLK V_SIM DEBUG_SDS DLC_DET YMU AFC VAPC SW_EN 3 TXI_I O SER_CTL TXQ_I O TX_EN GSM DCS PCS TX_BAND_SEL 2 GSM DCS PCS V_BAT V_BAT V_BAT V_BAT VREF Backlight LED Backlight Contrac...

Page 39: ...tronics Co Ltd Code No GH68 07513A 2005 06 Rev 1 0 ⓒ 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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