Text preview for : SAMSUNG SGH-E720 SERVICE MANUAL.pdf part of SAMSUNG SGH-E720 SERVICE MANUAL FOR SAMSUNG SGH-E720
BY ABDUL BASIT
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GSM TELEPHONE
SGH-E720
GSM TELEPHONE 1. 2. 3. 4. 5. 6.
CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List PCB Diagrams Block Diagrams
1. SGH-E720 Specification
1-1. GSM General Specification
GSM900 Phase 1 Freq. Ban d [M Hz ] Upl in k/Downl in k A RF C N ra n g e Tx/Rx spaci ng Mod. Bit rat e/ Bit Period Tim e Sl ot P eri od /F rame Peri od Modu lat ion M S Power P ow e r Cl a ss S e nsi ti vit y TDM A Mu x Cell Radiu s 89 0~ 91 5 93 5~ 96 0 1 ~ 1 24 45 MHz 270.833kbp s 3.692us 576.9us 4. 61 5m s 0. 3GM SK EGSM 900 Pha se 2 88 0~ 91 5 92 5~ 96 0 0 ~ 1 24 & 9 75 ~ 10 23 45 MHz 2 70 . 8 33 k b ps 3.692us 576.9us 4 .6 15 m s 0. 3GM S K DCS1800 Phase 1 1 71 0~ 1 78 5 1 80 5~ 1 88 0 51 2~8 85 95 MHz 270.833kbp s 3.692us 576.9us 4. 61 5ms 0. 3GM SK 3 0d B m ~ 0 d Bm 0pcl ~ 15pcl -100dBm 8 2Km PCS1900 18 50 ~1 91 0 19 30 ~1 99 0 5 12 ~ 8 10 8 0M H z 27 0. 83 3kb p s 3. 69 2u s 57 6. 9u s 4. 61 5ms 0.3GMSK 30 d Bm ~0d Bm 0pcl ~ 15pcl -100dBm 8 -
3 3d B m ~ 13 dBm 33dBm~5dBm 5pcl ~ 15pcl -102dBm 8 35 Km 5pcl ~ 19pcl - 10 2d B m 8 35 Km
1-1
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SGH-E720 Specification
1-2. GSM TX power class
TX Power control level 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 GSM900 33±2 dBm 31±2 dBm 29±2 dBm 27±2 dBm 25±2 dBm 23±2 dBm 21±2 dBm 19±2 dBm 17±2 dBm 15±2 dBm 13±2 dBm 11±3 dBm 9± 3dBm 7±3 dBm 5±3 dBm TX Power control level 0 1 2 3 4 5 6 7 DCS1800 30±3 dBm 28±3 dBm 26±3 dBm 24±3 dBm 22±3 dBm 20±3 dBm 18±3 dBm 16±3 dBm TX Power control level 0 1 2 3 4 5 6 7 PCS1900 30±3 dBm 28±3 dBm 26±3 dBm 24±3 dBm 22±3 dBm 20±3 dBm 18±3 dBm 16±3 dBm
8 9 10 11 12 13 14 15
1-2
14±3 dBm 12±4 dBm 10±4 dBm 8±4 dBm 6±4 dBm 4±4 dBm 2±5 dBm 0±5 dBm
8 9 10 11 12 13 14 15
14±3 dBm 12±4 dBm 10±4 dBm 8±4 dBm 6±4 dBm 4±4 dBm 2±5 dBm 0±5 dBm
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2. SGH-E720 Flow Chart of Troubleshooting
2-1.Baseband
2-1-1. Power ON
'Power ON' Does not work
Check the current consumption
Current consumption 100mA ? YES Check the V bat. voltage
NO
Down load again
Voltage 3.3V ? YES Check the pins of U401
NO
Charge the Battery
C415 1.8V ? YES C418 and C419 = 2.8V? YES NO
NO
Check U401 and C415
C420=1.5V? YES
NO
Check U401 and C420
Check the clock signal at pin #3 of OSC101 Freq.=13MHz,Vrms 300mV YES
NO
Check the clock generation circuit (OSC101, F100 pin#4)
Check the Initial operation
END
2-1
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VCCD_1_5 VCCD_1_8 VRTC
C201 C202 C203 C204 C205 C207 C208 C209 C206
JTAG
CLK13M_TR RST
R243
CN506
NC2 2 NC1 1
V201
D(0:15) D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15) CP_WEN CP_OEN FLASH_RESET ROM1_C S ONENAND_C S RAM1_C S LCDC_C S YMU_C S LOWER_BYTE UPPER_BYTE
SIMCLK
A(1) A(2) A(3) A(4) A(5) A(6) A(7) A(8) A(9) A(10) A(11) A(12) A(13) A(14) A(15) A(16) A(17) A(18) A(19) A(20) A(21) A(22) A(23) A(24)
U201
SIMIO PIO14_SIMRST PIO07_USB_SUSP PIO09_USB_VPI PIO11_USB_VMI PIO12_USB_VPO PIO13_USB_VMO PIO36_USB_OEN PIO37_USB_DATA SPCLK0 SPRXD0 SPTXD0_I2SD SPFS0 RIO_PIO01 DSR0_PIO02 DTR0_PIO03 RTS0_PIO04 TX0 RX0_IRQ28 CTS0_PIO29 DCD0_PIO44 PIO41_IRDATX PIO42_IRDARX TX1 RX1_IRQ28 KEYBRD0 KEYBRD1 KEYBRD2 KEYBRD3 KEYBRD4 KEYBRD5 KEYBRD6 KEYBRD7 KEYBRD8 KEYBRD9 KEYBRD10 KEYBRD11_PSW1_BUF PIO38_MCI_CLK PIO08_MCI_CMD PIO21_MCI_DAT0 PIO22_MCI_DAT1 PIO23_MCI_DAT2 PIO24_MCI_DAT3 PIO39_MCI_CMD_EN PIO40_MCI_DAT_EN PIO43_MCI_DAT0_EN X1RTC X2RTC RTCALARMN OSC32OUT PIO19_PWRKEEP PIO20_SYSCLKREQ PWM1_PIO46 PIO10 PIO25 PIO26 PIO27 PIO28 PIO32
TDO TDI TCK CKO_IAC K IOBIT1_PIO06 IOBIT0_PIO05 SPFS1_PIO15 SPTXD1_I2SD_PIO16 SPRXD1_PIO17 SPCLK1_PIO18 INT0 IO RWN D_D15 D_D14 D_D13 D_D12 D_D11 D_D10 D_D9 D_D8 D_D7 D_D6 D_D5 D_D4 D_D3 D_D2 D_D1 D_D0 D_A8 D_A7 D_A6 D_A5 D_A4 D_A3 D_A2 D_A1 D_A0 TEST3 TEST2 TEST1 CPTSTSTOP_CKO ATDO_PWM2 ATDI_RTS 1 ATCK_CTS 1 ATMS_PIO45 PIO31_IRQ6 PIO00_IRQ5 IRQ4 IRQ3 IRQ2 IRQ1 PIO47 PIO34 PIO33
T12 V14 U14 N12 N11 V12 N15 N16 M17 M18 T15 W6 V6 P11 N10 N9 N8 P9 P8 R9 T9 T8 U8 V8 R8 T7 R7 T6 U6 R6 N6 V4 T5 U4 V3 W3 W2 V1 V16 T14 U15 T17 T13 L5 M4 K12 P12 P16 P18 P17 M19 M16 J16 R14 U18
DSP_DB(15) DSP_DB(14) DSP_DB(13) DSP_DB(12) DSP_DB(11) DSP_DB(10) DSP_DB(9) DSP_DB(8) DSP_DB(7) DSP_DB(6) DSP_DB(5) DSP_DB(4) DSP_DB(3) DSP_DB(2) DSP_DB(1) DSP_DB(0)
PCM_SYNC PCM_IN PCM_OUT PCM_CLK DSP_IN T DSP_IO DSP_RWN
ANT
DSP_DB(0:15)
VCCD_1_8
DSP_AB(0:8)
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_AB(0)
C220
C221
C222
C223
CP_TD O CP_TD I CP_TC K CP_TM S NAND_IN T HALL_SENSO R LCDC_INT YMU_IR Q JACK_IN T INTRQ M_HOL D USB_CON AMP_SHD N
VCCD
VCCD VCC D
VCCD_1_8
SGH-E720 Flow Chart of Troubleshooting
SIMCLK SIMDAT A SIMRS T USB_SUSP USB_VPI USB_VM I USB_VPO USB_VM O USB_OE N USB_DAT A UP_SCLK UP_SD O UP_SD I UP_C S
DLC_DETEC T EAR_SWITC H OLED_BACK_EN VCAM_EN DIM_EN BRIGHTNES S XOENAQ PWR_KEEP CLK32K RTCALAR M
2
5
U204
R208
4 VC C Y GN D A 2 B 1
1 3 JIG_ON
R207
3
BP_VF
Q200
100K
U203
R241 R209 R242
1 VCC
OUT GND
2
HALL_SENSOR
C210
3
C211
DEBUG_RTS DEBUG_TXD DEBUG_RXD DEBUG_CTS
OSC201 C216 C217
SDS_TXD SDS_RXD KEY_COL(0:4) KEY_COL(0) KEY_COL(1) KEY_COL(2) KEY_COL(3) KEY_COL(4) PSW1_BUF KEY_ROW(0:5) KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) KEY_ROW(5) AUDIO_OUT_SE L USB_DET P_MODE FLASH_EN1 BT_SLEE P EAR_OUT_SEL VBT_EN
BOARD_HOLE
G1
G2
G3
G4
TRIDENT HP
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P4 T2 P5 B19 C19 C18 D17 E16 F16 E17 R3 R4 U2 T3 P3 P2 N4 N2 M3 M1 M6 N5 R16 R17 K7 L6 J7 J6 J5 J4 J8 H6 H4 H1 H3 G6 G4 H2 J15 J13 K13 L12 L13 L15 L14 M14 N14 H19 F19 H17 G16 P15 P19 G5 V17 V19 U16 U19 W17 R13
A(0)
B7 C8 D8 A6 C6 C5 D7 E7 C4 C2 A3 B3 B1 D6 D5 D3 E8 F8 E6 D2 E4 E3 F5 F4 F3 F2 A8 E9 F9 G10 G11 F11 E11 G12 D11 E12 C12 A12 F12 D12 E13 D13 D14 B14 E14 H14 A14 C15 G14 J14 D15 C16 F15 B17 H16 A17 A_A0 A_A1 A_A2 A_A3 A_A4 A_A5 A_A6 A_A7 A_A8 A_A9 A_A10 A_A11 A_A12 A_A13 A_A14 A_A15 A_A16 A_A17 A_A18 A_A19 A_A20 A_A21 A_A22 A_A23 A_A24 PIO35_A_A25_BOOTSEL A_D0 A_D1 A_D2 A_D3 A_D4 A_D5 A_D6 A_D7 A_D8 A_D9 A_D10 A_D11 A_D12 A_D13 A_D14 A_D15 A_WE N A_OEN PIO30_WAITN FLASHRSTN A_CS0N A_CS1N A_CS2N A_CS3N A_CS4N A_CS5N A_CS6N A_CS7N A_BE0N A_BE1N
DSP_TMS DSP_TDO DSP_TDI DSP_TC K
JIG_ON SDS_RXD SDS_TXD
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A(1:24)
VSSA_U VDDA_U VSSA_D VDDA_D VSS18 VSS17 VSS16 VSS15 VSS14 VSS13 VSS12 VSS11 VSS10 VSS9 VSS8 VSS7 VSS6 VSS5 VSS4 VSS3 VSS2 VSS1 VDD_CORE8 VDD_CORE7 VDD_CORE6 VDD_CORE5 VDD_CORE4 VDD_CORE3 VDD_CORE2 VDD_CORE1 VDD_IO_1P8_18 VDD_IO_1P8_17 VDD_IO_1P8_16 VDD_IO_1P8_15 VDD_IO_1P8_14 VDD_IO_1P8_13 VDD_IO_1P8_12 VDD_IO_1P8_11 VDD_IO_1P8_10 VDD_IO_1P8_9 VDD_IO_1P8_8 VDD_IO_1P8_7 VDD_IO_1P8_6 VDD_IO_1P8_5 VDD_IO_1P8_4 VDD_IO_1P8_3 VDD_IO_1P8_2 VDD_IO_1P8_1 VRTC CKI RESTN TMS TRSTN
RST DSP_TDO DSP_TDI DSP_TMS DSP_TCK DSP_RWN VBAT
17 TRST 1 18 2 TDO 19 TDI 3 20 4 TMS 21 TCK 5 22 F-WE 6 23 V_BATT GND 24 GND V_BUS 25 HP/POWER D+ 26 RXD D27 SPK+ TXD 28 SPK28 29 MIC+ 29 30 MOT+ 30 31 31 15 32 ANT 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
F18 F17 R11 T11 M12 M11 M10 M9 M8 L8 L7 K8 J12 H12 H11 H10 H9 H8 G9 G8 A18 A2 V13 V7 N18 M2 H18 G2 B13 B8 W18 W8 U12 U5 U1 T18 P1 L16 L4 F1 D18 D9 C14 C1 B16 B12 B6 B4 G18 W12 G15 W14 R12
USB_5V USB_D+ USB_DSPK1P SPK1N MIC+ MOT MIC-
F200
2-2
SGH-E720 Flow Chart of Troubleshooting
2-1-2. Initial
Initial Failure
The voltage at the C415=1.8V? The voltage at the C419=2.8V? YES
NO
Check the U401 (If it has some problem, it has to be replaced.)
The voltage at the ZD405 " Low --> High" ? YES
NO
Check the U401 (If it has some problem, it has to be replaced.)
There is 32.768KHz wave form at the C216, C217 ?
NO
Check the U201
YES The voltage on R412 is "Low --> High" ? YES NO
Check the U201
The voltage is 2.8V at the C416,C418,C419 ? YES LCD Display OK ? YES Sound operation OK ? YES END
NO
Check the U401
NO
Check the LCD part
NO
Check the Audio part
2-3
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VRF VCCA VCCD
VCCD_1_8
EAR_CHECK C400 C401 C402 C403 VBAT VSIM SIM_RST SIM_CLK
CN401
1 1 22 3 3
6 6 5 5 4 4 G G G G 10 9 8 7
SIM_IO
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NC6 NC5 GNDS17 GNDS16 GNDS15 GNDS14 GNDS13 GNDS12 GNDS11 GNDS10 GNDS9 GNDS8 GNDS7 GNDS6 GNDS5 GNDS4 GNDS3 GNDS2 GNDS1 AUX_ADC3 GND_OCTL VDD_OCTL GNDV VDDV GNDB VDDB GNDD VDDD VSS4 VSS3 VSS2 VSS1 VDD_IO2 VDD_IO1 VDD3 VDD2 VDD1 GND_HCUR GND_PSC2 GND_PSC1 GNDQ VDD67 VDD5 B4 C4 P13 L11 F6 A6 M10 N11 P6 R2 K4 G5 J4 N5 N6 M3 J3 F11 K15 B15 E8 B13 C10 2 1 K10 J10 J9 J8 J7 H9 H8 H7 H6 G10 G9 G8 G7 F10 F9 F8 F7 D13
C404 VDD34 C11 VDD12 J13 UP_CLK UP_RST UP_IO SIM_IO SIM_RST SIM_CLK VSIM VRTC LED2_DRV LED1_DRV RING_DRV VIB_DRV VLDO_7 VLDO_6 VL5S_B VL5S_A VLDO_5 VL4S_B VL4S_A VLDO_4 VLDO_3 VLDO_2 VLDO_1 VACC N9 R10 P10 J11 K11 K14 K12 H11 G12 G13 F13 F15 C12 A14 C9 D10 B10 B11 A12 B12 A13 J12 G11 F14 SIMCLK SIMRST SIMDATA SIM_IO SIM_RST SIM_CLK VSIM KEY_BL2 VCCB KEY_BL1 MOT VCCD_1_8 VCCA C406 C407 C408 DSP_DB(15) D2 DSP_DB(14) D3 DSP_DB(13) E3 DSP_DB(12) E2 DSP_DB(11) F3 DSP_DB(10) F2 DSP_DB(9) F1 DSP_DB(8) F4 DSP_DB(7) G4 DSP_DB(6) G3 DSP_DB(5) H5 DSP_DB(4) J6 DSP_DB(3) J5 DSP_DB(2) K3 DSP_DB(1) K2 DSP_DB(0) K1 DSP_AB(8) K5 DSP_AB(7) K7 DSP_AB(6) M1 DSP_AB(5) M2 DSP_AB(4) N2 DSP_AB(3) N1 DSP_AB(2) L5 DSP_AB(1) P1 DSP_AB(0) K6 L3 L2 R3 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 AB8 AB7 AB6 AB5 AB4 AB3 AB2 AB1 AB0 I|O RWN RESETN_CSP
DSP_DB(0:15)
C409
C405
VRTC
DSP_AB(0:8)
VRF
VCCD VCCD_1_5
U401
POS
M400 CSN_PSC SCLK_PSC SDO_PSC SDI_PSC VEXT VBAT CH_BDRV CH_ISEN CH_RES ADC_AUX2 ADC_AUX1 VREF CREF K8 L8 N7 M7 E14 E13 E11 F12 D14 D15 E10 A10 E9 VBAT VCCB UP_CS UP_SCLK UP_SDO UP_SDI C415 C416
SGH-E720 Flow Chart of Troubleshooting
PCS_RX_EN TX_BAND_SEL RF_EN PAC_EN SERLE SERDAT SERCLK B1 A2 C1 C2
E6 C5 F5 E5 A4 G6 B3 A3 OCTL0 OCTL1 OCTL2 OCTL3 OCTL4 OCTL5 OCTL6 OCTL7 SERLE1 SERLE2 SERDA SERCK
R406
VCCB
TH101
PWR_SW2 PWR_SW1N PSW1_BUF RESET_O MODE PWR_KEEP INTRQ
AOUTAP AOUTAN AOUTBP AOUTBN MICINP MICINN MICOUTP MICOUTN AUXINP AUXINN AUXOUTP AUXOUTN VXVCM VREGP VREGN DAICK DAIRN DAIDI DAIDO
RTC_CLK XOENAQ MC NC7 DINTR
R407
VIB_RNG_EN
BP_VF
RAREF2 RAREF1 RXTXIP RXTXIN RXTXQP RXTXQN
RTC_ALMN H10
RTCALARM
C457
R413
C456
D9 AFC E7 TXP
R414
B5 B6 D7 D6 C7 C6
P11 N12 R12 P12 N14 M14 N15 P15 M15 L14 K13 L13 R13 M13 R14 R4 P4 L6 M6
N4 D1 R6 P5 P3
C14 C15 L7 K9 N10 M9 L10 L9
C426
C427 VBAT
AOUTAP AOUTAN AOUTBP AOUTBN MICINP MICINN MICOUTP MICOUTN AUXINP AUXINN AUXOUTP AUXOUTN
C428
CLK32K XOENAQ
AFC VAPC
RTXIP RTXIN RTXQP RTXQN
C458
JIG_ON PWR_ON PSW1_BUF
DSP_INT
VIB_EN INTRQ PWR_KEEP RST
R412 ZD405
NEG
DSP_IO DSP_RWN FLASH_RESET
C417
C418
C419
C420
C421
2-4
DCS_TX_EN GSM_TX_EN
C414
R405
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SGH-E720 Flow Chart of Troubleshooting
2-1-3. Sim Part
"Insert SIM" is displayed on the LCD
The voltage is 2.8V at the pin #1 of CN401?
NO
Check the U401
YES
Is there any signal pin #2,3,4 of CN401 ?
NO
Check the U401 & U201
YES
Check the SIM Card
END
2-5
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SGH-E720 Flow Chart of Troubleshooting
2-1-4. Microphone Part
Micro-phone does not work
Is the assembled status of Microphone O.K? YES Check the DC bias voltage on Mic path.
NO
Reassemble the microphone
The voltage of C437 is about 2.2V±10%? YES
NO
Solder the microphone again or Replace C437,C438,R428,R430,R433
Is microphone OK? YES END
NO
Check U401
2-6
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SGH-E720 Flow Chart of Troubleshooting
VIB_EN
MSPK+ D(5) D(6) D(7)
F400
AOUTAP 3.3V_SW_AK
R464 C444
C463
SPK1P LOUT
SPOUT2
SPOUT1
MTR
D2
D3
D4
D5
D6
D7
33 D(1) D(0) 26 27 28 29 30 31 32 34
25 24 23 22 21 20 19 18 17
G D1 D0 /WR /CS A0 /RD
PLLC
MSPKG SPVSS SPVDD
D(2)
D(3)
D(4)
36 16 15
GND
17
16
15 14 13
VBAT
1S1 V+
21 22 NC NC MELODY+
4S2
D1
AUDIO_OUT_SEL AOUTAN
2 R410 3 2S1 3S2 9
C462
ROUT
1-2IN 3-4IN
CP_OEN
10
EAR_OUT_SEL
A(0)
EQ1 HPOUT-R
VREF
12 11
/RST CLKI
C412 R403
IOVDD G HPOUT-L/MONO
VDD /IRQ VSS LED NC
C411
HPOUT-R 10
G
GND
2S2
D3
SPK1N
D2 5 7
EAR_R
3S1
4 C445
R471
AOUTBP
HPOUT-L 35 1 2 3 4 5 6 7 8 9
6 8
MELODY-
C461
CLK13M_YMU YMU_IRQ RST
R404
C422 VCCD
C425
C424
C423
MIC+
MIC-
MICINP MICOUTP C465 MICINN MICOUTN C435 VCCA C436 C466 R457 R422 C432 R424
R421
C430
MIC400
C464
C434
C433
R458
R430 VCCD_1_8
VCCD_1_8 R428
HPOUT-R
3.3V_SW_AK
C474
1UF
R423
HPOUT-L C475 1UF
R429
C437 C438
JACK_INT
EAR_L
C439
L401 C467 R453 R433 C441 R434 R436
EAR_R
C440
L402
CN400
AUXINP AUXOUTP C446
C469
EAR_SWITCH C447 R454 AUXINN AUXOUTN C453 R455
V403 V400 V401
EAR_CHECK
ZD402
R473
1 1 22 3 3 44 5 5 66 7 7 G 15 88 G 16 9 9 G 17 G1 8 10 10 G G G G
11 12 13 14
C449
V404
C452
C448
C450
C451
ZD406
C468 C472
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1S2
VCCD_1_8
4S1
AOUTBN
C413
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1 11
YMU_CS
U403
D4
R472 200
12
EAR_L
CP_WEN
U402
EQ3 EQ2
14 13
R401
C410
R402
2-7
SGH-E720 Flow Chart of Troubleshooting
2-1-5. Speaker Part
There is no sound from speaker
Is the terminal of speaker O.K? YES Are there any signal at the pin #40,42 of CN507? YES
NO
Replace the speaker
NO
Check the LCD module & Replace CN507
YES
The type of sound from the speaker is Melody?
NO
Are there any signal at the pin #1,5 of U403? YES
NO
NO
Are there any signal at the pin #3,15 of U403? YES
Pin #2 of U403 is Low? YES
NO
Check U402, U401, U201
NO
Pin #2 of U403 is High? YES
Pin 14 of U403 is 3.3V? NO
YES
Check U403
Pin 3 of U303 is High? NO
YES
Check U303
Check U401
END
2-8
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SGH-E720 Flow Chart of Troubleshooting
2-1-6. Camera Part
Camera function does not work
Check the connect CN507? YES
NO
Connect the CN507
Pin #4 of U306 = 1.8V? YES
NO
Check the U306&R376
YES Pin #10 of U302 = 2.5V? YES NO Pin #2 of U302 = High? NO Check U201
Pin#3 of OSC300 is 24.5MHz? YES
NO
Pin#3 of Q301 = 1.8V? NO
YES
Replace OSC200
Pin#1 of Q301 = Low? NO Is that clock signal at the pin #30 of CN507? YES NO Check U201
YES
Check Q301
Pin#56 of CN507 is High?
NO
Check U300
END
2-9
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2.5V_VCAM
R302
VCCD_1_8 CAM_D(0:7)
R303
D_SDIN D_SDOUT D_MSCK D_BCK D_LRCK
SCL SDA P_CLK CAM_RST HOR_REF VER_REF M_CLK
1 2 GPIO_0 C5 GPIO_1 B5 GPIO_2 A5 GPIO_3 C4 GPIO_4 B4 GPIO_5 A4 T_MODE0 K10 STROBE B3 D_LRCK H9 D_BCK J10 D_MSCK J9 D_SDATAOUT H10 D_SDATAIN K8 NC NC
B1 F3 F2 F1 E1 E2 D1 D2 D3 C1 C2 B2 A3 C3 A1 A2
LCD_AD_[00:15] D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15) D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15) D(0:15) D(0:15)
LCD_AD_(00) LCD_AD_(01) LCD_AD_(02) LCD_AD_(03) LCD_AD_(04) LCD_AD_(05) LCD_AD_(06) LCD_AD_(07) LCD_AD_(08) LCD_AD_(09) LCD_AD_(10) LCD_AD_(11) LCD_AD_(12) LCD_AD_(13) LCD_AD_(14) LCD_AD_(15)
A(1:16) A(1) A(2) A(3) A(4) A(5) A(6) A(7) A(8) A(9) A(10) A(11) A(12) A(13) A(14) A(15) A(16) A(1) A(2) A(3) A(4) A(5) A(6) A(7) A(8) A(9) A(10) A(11) A(12) A(13) A(14) A(15) A(16) A(17) A(18) A(19) A(20) A(21) A(22) A(23) A(24)
B8 G10 G9 G8 F10 F9 F8 F7 E10 E9 E7 E8 D10 D9 D7 D8 C10 A6 A8 A7 C7 B6 B7 C6
A(1:24)
C9 M_SA0 C8 M_SA1 A10 XOUT2 B10 XIN2
M_ADS M_SD0 M_SD1 M_SD2 M_SD3 M_SD4 M_SD5 M_SD6 M_SD7 M_SD8 M_SD9 M_SD10 M_SD11 M_SD12 M_SD13 M_SD14 M_SD15 M_CS_N M_RD_N M_WR_N M_INTR M_HOLE M_RESET_N MS_CS_N
LCD_RD LCD_WEN L_ADS MLCD_CS
H8 K6 J6 K5 K4 J4 K1 K2 K3 J2 J3 H2 H3 H4 J5 H5 G3 J8 J7 G7 H7 K7
LS_CS_N L_DA0 L_DA1 L_DA2 L_DA3 L_DA4 L_DA5 L_DA6 L_DA7 L_DA8 L_DA9 L_DA10 L_DA11 L_DA12 L_DA13 L_DA14 L_DA15 L_RD_N L_WR_N L_ADS L_CS_N L_RESET_N
VDDI VDDI VDDICD VDDAC UVDDI SVDDI
D6 F6 H1 K9 G4 E3
U300
D5 VDDC E5 VDDC F5 VDDC
C326
C327
C328
C346
A9 PGND B9 PVDD
G1 USB_DP G2 USB_DM
GND GND GND GND GND GND
D4 E4 F4 E6 G5 J1
2
Q301
1
M_HOLD
3
C362
A(1) A(2)
2 3
A(18)
R318
R380
FLASH_RESET OSC300
A(8) 1 4
C367
C329
C330
D(10) D(11) D(12) D(13) D(14) D(15) D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) D(8) D(9)
SGH-E720 Flow Chart of Troubleshooting
VCCD_1_8
M_HOLD LCDC_INT CP_WEN CP_OEN LCDC_CS
D[0:15]
CP_OEN ROM1_CS
2.5V_VCAM R202 VBAT 1.8V_VCAM
VBAT
HERA_1_8
ONENAND_CS UPPER_BYT E LOWER_BYT E CP_WEN
7
FLASH_RESET RAM1_CS NAND_INT R205 R203 R204
U306 C310
GND
U302 11 VIN VCAM_EN 2 EN1 3 EN2
C219
3 IN VOUT1 0 VOUT2 9 N/C 8 4 CBYP 5 N/C
C312 C308
OUT 4 RST
2 GND
NC 5
1 EN
BYP
6
N/C 7
GND GND GND GND GND GND
C358
GND 6 1112 1314 16 15
C322 C311
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G6 L_DA17 H6 L_DA16
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SUB_L_CS
C_PWDN C_D7 C_D6 C_D5 C_D4 C_D3 C_D2 C_D1 C_D0 C_SCK C_SDA C_PCLK C_RST C_HS C_VS C_MCLK
HERA_1_8
VCCD
2.5V_VCAM
2-10
SGH-E720 Flow Chart of Troubleshooting
2-1-7. Mp3 Display Part
There is no MP3 sound from Earphone
Are there any signal at the pin #4,6 of CN400? NO
YES
Replace the Earphone
Are there any signal at the pin #8,12 of U403? NO
YES
Check C439,440,474,475,452,448 & L401,402, V400,401
Are there any signal at the pin #9,13 of U403? NO
YES
Pin #10 of U403 is Low? YES
NO
Check U201
Are there any signal at the R350,351? NO
YES
Check R350,351
Pin 14 of U403 is 3.3V? NO
YES
Check U403
The voltage of C334 is 3.3V? YES
NO
Pin 3 of U303 is High? NO
YES
Check U303
The voltage of C344 is 2.5V? YES
NO
Pin 2 of U302 is High? NO Check U201
YES
Check U401
Check U302
END
Check the U301
Check the U300
Check the U201
END
2-11
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SGH-E720 Flow Chart of Troubleshooting
VBAT
CN507 1 3 5 78 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 2 4 6 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60
VCCD LCD_AD(00) LCD_AD(02) LCD_AD(04) LCD_AD(06) LCD_AD(08) LCD_AD(10) LCD_AD(12) LCD_AD(14) LCD_WEN MLCD_CS FLASH_EN1 CAM_DA(0) CAM_DA(1) CAM_DA(2) CAM_DA(3) CAM_DA(4) CAM_DA(5) CAM_DA(6) CAM_DA(7) 1.8V_VCAM VBAT MOT DIM_EN KEY_ROW(5) BRIGHTNESS KEY_COL(1)
LCD_AD(01) LCD_AD(03) LCD_AD(05) LCD_AD(07) LCD_AD(09) LCD_AD(11) LCD_AD(13) LCD_AD(15) L_ADS SUB_L_CS FLASH_RESET SCL SDA M_CLK P_CLK VER_REF HOR_REF SPK1P SPK1N MP3_MIC MP3_GND OLED_BACK_EN 2.5V_VCAM KEY_COL(0) LCD_RD CAM_RST KEY_COL(2)
KEY_BL2 KEY_BL1
R356 R357 304 AOT-0603P-W03-X LED316
AOT-0603P-W03-X
LED317
AOT-0603P-W03-X
LED301
R305
AOT-0603P-W03-X
LED302
306
AOT-0603P-W03-X
LED303
R307
AOT-0603P-W03-X
LED304
358
AOT-0603P-W03-X
LED318
R308
AOT-0603P-W03-X
LED308
R309
AOT-0603P-W03-X
LED309
310
AOT-0603P-W03-X
LED310
311
AOT-0603P-W03-X
LED311
C519
R312
C517 C516 C522
R313
AOT-0603P-W03-X
LED312
AOT-0603P-W03-X
LED313
R314
AOT-0603P-W03-X
LED314
R316
AOT-0603P-W03-X
LED315
F501 LCD_AD_(06) LCD_AD_(04) LCD_AD_(02) LCD_AD_(00) 1 IN1 2 IN2 3 IN3 OUT1 9 OUT2 8 OUT3 7 LCD_AD(06) LCD_AD(04) LCD_AD(02) LCD_AD(00) LCD_AD(01) LCD_AD(03) LCD_AD(05) LCD_AD(07)
F500 9 OUT1 8 OUT2 7 OUT3 IN1 1 IN2 2 IN3 3 LCD_AD_(01) LCD_AD_(03) LCD_AD_(05) LCD_AD_(07)
4 IN4 OUT4 6 GND GND 10 5
6 OUT4 IN4 4 GND GND 5 10
F503 LCD_AD_(14) LCD_AD_(12) LCD_AD_(10) LCD_AD_(08) 1 IN1 2 IN2 3 IN3 F502 OUT1 9 OUT2 8 OUT3 7 LCD_AD(14) LCD_AD(12) LCD_AD(10) LCD_AD(08) LCD_AD(09) LCD_AD(11) LCD_AD(13) LCD_AD(15) 9 OUT1 8 OUT2 7 OUT3 IN1 1 IN2 2 IN3 3 LCD_AD_(09) LCD_AD_(11) LCD_AD_(13) LCD_AD_(15)
4 IN4 OUT4 6 GND GND 10 5
6 OUT4 IN4 4 GND GND 51 0
F505 CAM_D(4) CAM_D(5) CAM_D(6) CAM_D(7) 9 OUT1 8 OUT2 7 OUT3 IN1 1 IN2 2 IN3 3 CAM_DA(4) CAM_DA(5) CAM_DA(6) CAM_DA(7) CAM_D(0) CAM_D(1) CAM_D(2) CAM_D(3) 9 OUT1 8 OUT2 7 OUT3
F504 IN1 1 IN2 2 IN3 3 CAM_DA(0) CAM_DA(1) CAM_DA(2) CAM_DA(3)
6 OUT4 IN4 4 GND GND 5 10
6 OUT4 IN4 4 GNDG ND 5 10
2-12
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SGH-E720 Flow Chart of Troubleshooting
2-2.RF
2-2-1. EGSM RX
Continuous RX ON RF Input : 62 CH AMP : -50dBm
NORMAL CONDITION Catch the channel ? YES U106 Check Pin #9 -65dBm ? YES
NO
Check soldered status of R114,115,C152,109,L145
NO
CN100,C108,L103 Resolder or Change
U106 Check Pin #11 -65dBm ? YES
NO
U106 Resolder or Change
F103 Check Pin #1 -65dBm ? YES
NO
Check soldered status of C151,L149,V102 Resolder or Change
U103 Check Pin#20,21 -65dBm ? YES
NO
Check soldered status of C120,121,L108,F103
U103 Check Pin#9,32=Clean 2.8V? YES U103 Check Pin#28,1,2,3=100mV? YES NO
NO
U401,C418,100,130 Check or resolder
U103 Check Pin #8 : 13MHz ? Vpp : 860mV? YES
NO
OSC101 Check Pin #3 : 13MHz ? Vpp : 950mV? YES
NO
OSC101 Check Pin #4 = 2.8V ? YES
NO
U103 Change or resolder
R112,C132 resolder
OSC101 Change or resolder
Check U401
2-13
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SGH-E720 Flow Chart of Troubleshooting
2-2-2. DCS RX
Continuous RX ON RF Input : 660 CH AMP : -50dBm
NORMAL CONDITION Catch the channel ? YES
NO
Check soldered status of R114,115,C152,109,L145
U106 Check Pin #9 -65dBm ? YES U106 Check Pin #1 -65dBm ? YES
NO
CN100,C108,L103 Resolder or Change
NO
U106 Resolder or Change
F102 Check Pin #1 -65dBm ? YES
NO
Check soldered status of C149,148
U103 Check Pin#18,19 -65dBm ? YES
NO
Check soldered status of C115,119,L105,F102
U103 Check Pin#9,32=Clean 2.8V? YES U103 Check Pin#28,1,2,3=100mV? YES NO
NO
U401,C418,100,130 Check or resolder
NO U103 Check Pin #8 : 13MHz ? Vpp : 860mV? YES NO OSC101 Check Pin #3 : 13MHz ? Vpp : 950mV? YES NO OSC101 Check Pin #4 = 2.8V ? YES
U103 Change or resolder
R112,C132 resolder
OSC101 Change or resolder
Check U401 2-14
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SGH-E720 Flow Chart of Troubleshooting
2-2-3. PCS RX
Continuous RX ON RF Input : 660 CH AMP : -50dBm
NORMAL CONDITION Catch the channel ? YES
NO
Check soldered status of R114,115,C152,109,L145
U106 Check Pin #9 -65dBm ? YES
NO
CN100,C108,L103 Resolder or Change
U106 Check Pin #2 = High ? YES U106 Check Pin #3 -65dBm ? YES
NO
U401 Check & Change
NO
U106 Resolder or Change
F101 Check Pin #1 -65dBm ? YES
NO
Check soldered status of L147,C147
U103 Check Pin#16,17 -65dBm ? YES
NO
Check soldered status of C111,113,L104,F101
U103 Check Pin#9,32=Clean 2.8V? YES
NO
U401,C418,100,130 Check or resolder
U103 Check Pin#28,1,2,3=100mV? YES
NO
U103 Check Pin #8 : 13MHz ? Vpp : 860mV? YES
NO
OSC101 Check Pin #3 : 13MHz ? Vpp : 950mV? YES
NO
OSC101 Check Pin #4 = 2.8V ? YES
NO
Check U401
U103 Change or resolder
R112,C132 resolder
OSC101 Change or resolder
2-15
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SGH-E720 Flow Chart of Troubleshooting
2-2-4. EGSM TX
U106 Pin#9 About 2~3 dBm? YES C108,CN100,L103 Check & Change
NO
U106 Pin#10 = High? YES NO Level of U106 Pin#7 is 4~5dBm ? YES U106 Check & Change
NO
U401 Check & Change
Continuous TX ON condition
TX Power Code : 500 code Applied CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB
C102 = 3.7V? YES Level of U101 Pin #20 is 1.2V? YES YES
NO
Check the Battery Block
NO
Check U401 TXP OK ? YES
NO
U401 Check & Change
U101 pin#11 About -5 dBm? NO NO
U101 pin#18 High ? YES Change U101
Check U401
U103 Check Pin#9,32 2.8V ? YES
NO
U401,C418,100,130 Check or resolder
U103 Check Pin #8 : 13MHz ? Vpp : 860mV? YES NO U103 Pin #4,5,6,7 = 1.7V? YES Check U401 Change U101
NO
OSC101 Check Pin #3 : 13MHz ? Vpp : 950mV? YES R112,C132 resolder
NO
OSC101 Check Pin #4 = 2.8V ? YES OSC101 Change or resolder
NO
2-16
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SGH-E720 Flow Chart of Troubleshooting
2-2-5. DCS & PCS TX
U106 Pin#9 About 2~3 dBm? YES C108,CN100,L103 Check & Change
NO
U106 Pin#4 = High? YES
NO
U401 Check & Change
NO
Level of U106 Pin#5 is 4~5dBm ? YES U106 Check & Change NO
Continuous TX ON condition TX Power Code : 500 code Applied CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB
C102 = 3.7V? YES Level of U101 Pin #20 is 1.2V? YES
Check the Battery Block
NO
Check U401 TXP OK ? YES
NO
U401 Check & Change
YES
U101 pin#15 About -5 dBm? NO NO
U101 pin#18 High ? YES Change U101
Check U401
U103 Check Pin#9,32 2.8V ? YES U103 Check Pin #8 : 13MHz ? Vpp : 860mV? YES
NO
U401,C418,100,130 Check or resolder
NO
OSC101 Check Pin #3 : 13MHz ? Vpp : 950mV? YES R112,C132 resolder
NO
OSC101 Check Pin #4 = 2.8V ? YES OSC101 Change or resolder
NO
NO
U103 Pin #4,5,6,7 = 1.7V? YES Change U101
Check U401
2-17
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CN100
R114
G G G 6 5 4 3 2 1 G C A
C108
ANT1
L103
R115
V101
R104 GSM_PAM_IN R106 R105
ANT
ANT
C152
C109
L145
GND 7 GND 8 GND 9 GND 10
DPCS_PAM_IN R103
16 15 14 13 12 11 1 2 3 4 5 6
VCC1B GSMOUT GND GND GSMIN GND DCS/PCSI N GND VCC1A DCS/PCSOUT BS GND
R101 R102
L117
U101
9 ANT
U106
12 6 8
G DCS/PCS
G
G PCS
C147
3 5
F101 1 OUT IN
3
C111
C149
1
DCS GSM900TX GSM900RX G OUT G 4
PCS_LNA_IN_N
L147 10nH
7
25
L104
C151
VC VC 10 VC 11
C114
PCS_LNA_IN_P
2 4
C117
21 20 19 18 17
GND VAPC RSVD ENABL E VBATT
TX_BAND_SEL
F102 1 PCS_RX_EN DCS_TX_EN GSM_TX_EN OUT IN G
3 OUT 4 G
C115
DCS_LNA_IN_N
C148
L105
2 5
C119
VAPC PAC_EN L106 C145
R127
VBAT
DCS_LNA_IN_P
F103 1 OUT IN GG C102 C103 C104 C105 C106 C146 OUT
3 4
C120
GSM_LNA_IN_N
V102
C150 C112 C110 C101
L149
L108
2 5
C121
GSM_LNA_IN_P
ANT101
VCCD_1_8
VBT_2_ 8
VCCD_1_ 8
VRF C122 C123 C100
GSM_PAM_IN DPCS_PAM_IN
R123
U104
TP101
DIAG1 24
DIAG2
RFOG
GND VDD GND GND GND
GND
35 36 RFIGN 1 RXQN 2 RXIP 3 RXIN RFIGP U103 RFIDP RFIPN RFIPP
_PDN _SEN SCLK
RXQP
RFOD
XOUT
PCM_SYNC PCM_IN PCM_OUT PCM_CLK
21 20 19 18 17 16
GSM_LNA_IN_N GSM_LNA_IN_P DCS_LNA_IN_N DCS_LNA_IN_P PCS_LNA_IN_N PCS_LNA_IN_P
BT_SLEEP DEBUG_CTS DEBUG_RTS DEBUG_TXD DEBUG_RXD
SGH-E720 Flow Chart of Troubleshooting
RTXIP RTXIN TXIN TXQP
XIN VDD
4 TXIP 5 6 TXQN 8
SDO
R113
5 13 18 21 26
GND GND GND GND GND
RFIDN
22 8 12 7 2 1 14 15 11 16 10 9
ANT PCM_SYNC PCM_IN PCM_OU T PCM_CL K RESETB VDD_RE G VDD_UART UART_RTS UART_CTS UART_RX UART_TX
PIO_0 VDD_PIO VDD_PADS PIO_3 PIO_4/UART_TX2 PIO_5/UART_RTS2 PIO_6/UART_CTS2 PIO_7/UART_RX2 PIO_8
24 20 19 25 3 6 4 17 23
C142
C140
6.3V
RTXQP RTXQN VRF 7
GND
SDI
15
9 10 11 12 13 14 C130
VBAT
VBT_2_ 8
CLK13M_RF
SERDAT SERCLK SERLE
VBT_EN C137
U105 1 2 3 IN GND EN BYP OUT
5
RF_EN
4
C135
C141
R126
C134 C144 C136
C138
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34 33 32 31 30 29 28 27 26 25 23 XEN 22
C113
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2-18
3. SGH-E720 Exploded View and Parts List
3-1. Cellular phone Exploded View
QFR01 QFU01
QKP02 QKP01 QME03 QGI02 QLC01 QSP01
QCA01
QMP01 QME01
QMO01
QAN02 QCR05
QMI01
QCK01 QFL01
QRF03
QRE01 QVO01
QIF01 QCR05 QSC05 QSC08
QRF01 QCR05
QMW01
QBA01
3-1
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SGH-E720 Exploded View and Parts List
3-2. Cellular phone Parts list
Location NO.
QFU01 QKP02 QME03 QGI02 QLC01 QSP01 QMO01 QFL01 QMW01 QCR05 QSC05 QSC08 QCA01 QFR01 QKP01 QMP01 QMI01 QME01 QAN02 QCR05 QRE01 QRF03 QVO01 QCK01 QIF01 QRF01 QCR05 QBA01
Description
FOLDER UPPER MEC-KEYPAD MP3 UNIT MP3 KEY MP3 KEY BRACKET LCD SPEAKER MOTOR DC FOLDER LOWER MAIN WINDOW SCREW MACHINE SCREW CAP L SCREW CAP R UNIT CAMERA FRONT COVER KEYPAD MAIN PBA MICROPHONE ASSY UNIT METAL DOME INTENNA SCREW MACHINE REAR COVER EAR COVER KEY VOLUME KEY CAMERA IF COVER RF SHEET SCREW MACHINE BATTERY
SEC CODE
GH75-05914A GH75-05954A GH59-01804A GH72-20060A GH07-00628A 3001-001660 GH31-00136A GH75-05915A GH75-05916A 6001-001478 GH73-03810A GH73-03811A GH59-01769A GH75-05913A GH75-04986A GH92-01823A GH30-00181A GH59-01799A GH42-00499A 6001-001478 GH75-05919A GH72-17957A GH75-05917A GH75-05918A GH72-17956A GH74-11931A 6001-001478 GH43-01572A
Remark
3-2
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SGH-E720 Exploded View and Parts List
3-3. Test Jig (GH80-03307A)
3-3-1. RF Test Cable (GH39-00283A)
3-3-2. Test Cable (GH39-00304A)
3-3-3. Serial Cable
3-3-4. Power Supply Cable
3-3-5. DATA CABLE (GH39-00279A)
3-3-6. TC (GH44-00701A)
3-3
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4. SGH-E720 MAIN Electrical Parts List
SEC Code
GH92-01823A 0403-001233 0406-001150 0406-001150 0406-001150 0504-000168 0504-001140 0504-001140 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0601-001819 0801-000306 0801-002529 1001-001306 1006-001313 1009-001010 1108-000003 1201-002007 1201-002218 1203-002099 1203-002965 1203-003322 1203-003472
Design LOC
PBA MAIN-SGHE720 ZD500 ZD402 ZD405 ZD406 Q305 Q200 Q301 LED301 LED302 LED303 LED304 LED308 LED309 LED310 LED311 LED312 LED313 LED314 LED315 LED316 LED317 LED318 F100 U204 U403 U304 U203 U202 U305 U101 U105 U303 U302 U401
SEC Code
2203-000254 2203-000254 2203-000254 2203-000254 2203-000278 2203-000278 2203-000278 2203-000278 2203-000311 2203-000330 2203-000330 2203-000330 2203-000330 2203-000386 2203-000438 2203-000438 2203-000438 2203-000628 2203-000643 2203-000654 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000836 2203-000836 2203-000836 2203-000836 2203-000836 2203-000836 2203-000854 C358 C401 C402 C426 C125 C135 C329 C330 C150 C216 C217 C461 C462 C114 C126 C127 C425 C149 C147 C410 C117 C123 C405 C408 C409 C433 C434 C522 C448 C452 C465 C466 C469 C472 C435
Design LOC
4-1
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SGH-E720 Main Electrical Parts List
SEC Code
1203-003611 1204-002138 1205-002433 1205-002612 1205-002613 1404-001165 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001132 1405-001132 2007-000138
Design LOC
U306 U402 U103 U300 U301 TH101 V201 V301 V302 V303 V304 V305 V306 V307 V308 V309 V310 V311 V400 V401 V403 V404 V502 V503 V504 V505 V506 V507 V510 V511 V512 V514 V101 V102 R112
SEC Code
2203-000854 2203-000854 2203-000854 2203-000854 2203-000854 2203-000885 2203-000995 2203-000995 2203-000995 2203-001239 2203-001239 2203-001385 2203-001385 2203-001405 2203-001405 2203-001405 2203-002668 2203-002677 2203-002677 2203-002987 2203-005050 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005288 2203-005288 2203-005482 C436 C444 C445 C446 C453 C342 C122 C151 C211 C449 C450 C115 C119 C130 C413 C456 C145 C120 C121 C108 C152 C100 C220 C221 C313 C316 C367 C407 C412 C422 C424 C428 C111 C113 C137
Design LOC
4-2
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SGH-E720 Main Electrical Parts List
SEC Code
2007-000138 2007-000138 2007-000139 2007-000139 2007-000140 2007-000140 2007-000140 2007-000140 2007-000141 2007-000141 2007-000142 2007-000143 2007-000143 2007-000143 2007-000143 2007-000144 2007-000148 2007-000148 2007-000148 2007-000148 2007-000151 2007-000151 2007-000155 2007-000155 2007-000155 2007-000157 2007-000159 2007-000159 2007-000159 2007-000159 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162
Design LOC
R322 R407 R102 R103 R511 R513 R514 R515 R320 R516 R453 R302 R303 R369 R517 R127 R108 R111 R243 R380 R126 R241 R208 R365 R366 R203 R207 R209 R424 R457 R201 R202 R204 R242 R319
SEC Code
2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005482 2203-005496 2203-005496 2203-005496 2203-005503 2203-005509 2203-005736 2203-005736 2203-005736 2203-006053 2203-006053 C138 C141 C142 C146 C201 C204 C205 C208 C210 C308 C310 C311 C314 C324 C327 C338 C344 C346 C361 C362 C365 C400 C403 C516 C517 C351 C352 C468 C451 C519 C101 C110 C112 C326 C328
Design LOC
4-2
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SGH-E720 Main Electrical Parts List
SEC Code
2007-000164 2007-000164 2007-000170 2007-000170 2007-000170 2007-000171 2007-000171 2007-000171 2007-000171 2007-000172 2007-000242 2007-000242 2007-000775 2007-000775 2007-001119 2007-001290 2007-001290 2007-001290 2007-001291 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307 2007-001307
Design LOC
R423 R429 R318 R377 R378 R114 R115 R376 R473 R124 R109 R326 R402 R403 R428 R101 R410 R464 R104 R105 R106 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R314 R316 R356 R357
SEC Code
2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006053 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006093 2203-006137 2203-006190 2203-006190 2203-006190 2203-006190 2203-006190 2203-006194 2203-006201 2203-006257 C357 C406 C414 C415 C416 C417 C418 C419 C420 C430 C432 C441 C447 C463 C139 C312 C315 C322 C323 C332 C333 C343 C355 C458 C474 C475 C206 C356 C359 C360 C363 C364 C457 C404 C438
Design LOC
4-4
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This Document can not be used without Samsung's authorization
SGH-E720 Main Electrical Parts List
SEC Code
2007-001307 2007-001308 2007-001308 2007-001319 2007-001323 2007-001325 2007-002797 2007-003019 2007-003019 2007-003025 2007-003025 2007-007142 2007-007142 2007-007142 2007-007142 2007-007142 2007-007142 2007-007142 2007-007142 2007-007308 2007-007314 2007-007334 2007-007488 2007-007488 2007-008117 2007-008263 2007-008263 2007-008483 2007-008531 2007-008531 2007-008542 2007-009124 2007-009124 2203-000233 2203-000233
Design LOC
R358 R471 R472 R405 R123 R404 R110 R374 R375 R350 R351 R352 R367 R368 R406 R421 R422 R434 R454 R413 R414 R401 R436 R455 R458 R430 R433 R325 R354 R355 R205 R330 R331 C105 C128
SEC Code
2203-006324 2404-001151 2404-001151 2404-001225 2404-001306 2404-001339 2404-001339 2404-001348 2404-001348 2703-001207 2703-001284 2703-001512 2703-001748 2703-001750 2703-001752 2703-001752 2703-001786 2703-002308 2703-002313 2703-002313 2801-004225 2801-004339 2809-001264 2901-001296 2901-001296 2901-001296 2901-001296 2901-001296 2901-001296 2904-001417 2904-001419 2904-001450 2909-001213 3301-001342 3301-001342 C341 C102 C437 C334 C520 C411 C423 C439 C440 L105 L104 L108 L145 L117 L103 L149 L147 L106 L401 L402
Design LOC
OSC300 OSC201 OSC101 F500 F501 F502 F503 F504 F505 F103 F102 F101 U106 F104 F200
4-5
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This Document can not be used without Samsung's authorization
SGH-E720 Main Electrical Parts List
SEC Code
2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254
Design LOC
C129 C134 C136 C144 C421 C103 C104 C106 C131 C132 C133 C140 C202 C203 C207 C209 C222 C223
SEC Code
3301-001342 3301-001729 3404-001152 3404-001152 3404-001152 3705-001347 3709-001298 3710-002194 3711-005817 3722-002082 4202-001037 4302-001184 4709-001350 GH09-00033A GH41-00757A GH30-00181A GH59-01799A F400 F301 SW1 SW2 SW3
Design LOC
CN100 CN401 CN504 CN507 CN400 ANT101 M400 U104 U201 PCB-SGHE720 MAIN MICROPHONE-ASSY UNIT-METAL DOME
4-6
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5. SGH-E720 PCB Diagrams
CN4 0 0
ANT
ANT1
ZD40 6
V4 0 0
F5 0 0
F5 0 1 F5 0 3
U40 3
V4 0 1
F5 0 2
CN50 7
F40 0 F30 1
CN1 0 0
F10 3 F10 2
V1 0 2
F5 0 4
V1 0 1
F5 0 5
G1
U10 6
F1 0 1
G2
SW 2
M4 0 0
U3 0 5
SW 1
V31 1
U10 1
U3 0 1
U10 3
Q3 0 1
U30 2
SW 3
U3 0 0
U4 0 2
F10 4
F1 0 0
V2 0 1 V5 1 0 V5 1 1 V5 1 2 V5 1 4
OSC10 1
U3 0 6
OS C3 0 0
U2 0 2
U2 0 1
OSC20 1
TH10 1
U40 1
U1 0 4
TP10 1
CN40 1
G3
U20 4
Q20 0
U30 4
ANT10 1
U10 5 U30 3
V5 0 7
ZD40 5
Q30 5
V5 0 4 V5 0 5 V5 0 6
V5 0 2 V5 0 3
ZD50 0
CN50 4
G4
5-1
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SGH-E720 PCB Diagrams
ZD40 2
V4 0 3
LED31 8
V4 0 4
V30 7
LED30 3
UP
F2 0 0
U20 3
V30 6 LED30 1
MENU
LED30 4
DOWN
LED30 2
SEND
V31 0
V30 8
CLEAR
LED 3 1 2
V30 1
V30 9
LED 3 1 7
1
4
LED 3 0 8
2
5
DSP_TMS
LED 3 1 6
GND1
RST
DS P_RWN
LED 3 1 3
LED 3 0 9
DSP_TDO
6
9
DSP_TCK
V30 3
V30 2
DSP_TDI
*
LED 3 1 4
7
8
0
LED 3 1 0
LED 3 1 5
V30 5
V30 4
LED 3 1 1
SHARP
5-2
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MI C4 0 0
PW R
3
S TO
I
RI GHT
LEFT
6. SGH-E720 Block Diagrams
SGH-E720 Block Diagram
Antenna Antenna
Antenna V_BAT Contractor
BTBZ0902 Bluetooth
RTS, CTS RX, TX
2.8V_BT
MIC 5245
V_BAT
Backlight LED
V_BAT SIM_RST SIM_CLK SIM_Data VREF VRTC
PCM
Drivers
Backlight Contractor Contractor
I2C I/F
UART
RTC
Crystal 32.768 KHz
MIC 2211
Control
2V8_RF
Power Mgmt
2V8_DIG 1V8_Core PWR_KEEP V_SIM
USB
DATA
USB USS810
3.3V
USB_D+
USB_D-
Power SIM CON Serial Control
Trident HP
DEBUG_SDS
PCS DCS GSM
LNA IN
RF-BB I/F
RF_Power_EN
SIM Driver Power I/F
SIM_RST SIM_CLK SIM_Data
I/F CON 24P
USB_5V
DLC_DET A[0..8] D[0..15
ASM
V_BAT
S I 4 2 0 5
PAM
R F T r a n c e i v e r
SER_CTL
GEMINI CSP2600C
Control
DSP Memory I/F
KB_COL[0:4]
Keypad
KB_ROW[0:4]
KEY PAD
DSP I/F
System Clock Core Memory I/F
TXI_I/O TXQ_I/O AFC
RF I/F
ADC
A[1..25] D[0..15] Control AK_3.3V
GSM
DCS PCS
Power AMP I/F P_CTL
RF-IF Synthesizer RF Block Enable DAI Audio I/F
1G NAND 256M NOR RD38F4455LLYBQ 128M SRAM
System I/F
Camera I/F
Control
LCD with Camera
C_D[0..7]
CL851S64
Control
CLK GPIO
LCD I/F CODEC I/F
LCD_D[0..15]
SW_EN 3
TX_EN VAPC
2
RF_EN TX_BAND_SEL CLK13M_TR V_BAT VCAM_EN CLK13M_RF CLK13M_YMU V_BAT
DATA CLK
AK4640
Audio CODEC
CLK13M_MC MIC YMU
AUDIO(EAR)
HERA1.8V
OSC 13MHz
Sound Gen. YMU765
AUDIO(MIC)
LDO MIC2211 MIC5247
OSC 24.578 MHz
1.8V_VCAM 2.5V_VCAM
SPEAK YMU MP3 MIC
MP3(SPK) VOICE CODEC Analog Switch MAX4684 EAR_JACK MP3(EAR)
6-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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.
Samsung Electronics Co.,Ltd. MAR. 2005 Printed in Korea.
Code No.: GH68-06398A BASIC.