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Казанский государственный архитектурно-строительный университет

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[НЕСОРТИРОВАННОЕ]

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SGH_i900_service_manual-spaces_ru

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<<< < Предыдущая 1 2 3 4 5 6 78 / 118 9 10 11 > Следующая >>>

Flow Chart of Troubleshooting

10-5. KEY Working

Press Key

	Yes
	Yes
Volume Key		Key FPCB
NG ?		Breakdown?

No

		Yes
Camera Key		Camera Key
Camera Key		FPCB
NG	?	FPCB
NG	?	Breakdown?
		Breakdown?

	No
		Yes
	OJ key NG?	OJ Key
	OJ key NG?	Breakdown?
		Breakdown?

Yes

Power Key NG?		Key FPCB Breakdown?

YES

END

Yes

Change Key FPCB

Change OJ Key

Change Key FPCB

Change LED

10-19

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

									VUSB_5V
					U409
					1 IN	_EN 10	R428
					1 IN	_EN 10
					2 GND	NC 9
		C453			3 _FLAG	NC 8
JTAG_RXD					4 IN	OUT 7			USB_DETECT
JTAG_RXD					5 IN	OUT 6			R401
JTAG_IF_CON_SENSE					5 IN	OUT 6			R401
JTAG_IF_CON_SENSE					D				R402
JTAG_VBUS					NG	NI			R402
JTAG_VBUS					NG	NI
					11	12
										VCC_3.0V
NC 27
NC 26
NC 25
NC 24
NC 23					V_DC	VEXT_5V
NC 22									R403	R404
NC 21
20	20
19	19
18	18									D-
17	17									D-
16	16		R405							D+	31C4
14	14									IF_CON_SENSE	31C4
15	15									IF_CON_SENSE
13	13		R406
12	12									RXD
11	11									TXD_TVOUT
10	10		R407							EAR_CHECK
9	9		R408							nJACK_INT
8	8									SEND_END	414
7	7									EAR_COM
6
6	6										C
5	5
4	4
3	3
2	2
1	1
IFC400		6		5	4		4	5	6
		5HC		4HC	3HC		3HC	4HC	5HC
		1HC		NV	TA404		2HC	NV	1HC
RADIO_ANT		1HC		NV	2HC		2HC	NV	1HC
	L402	1		2	3		3	2	1
	L402
	C470
				ZD400				ZD401
								ZD401

C 904

C 514

R425

R426

914C	814C

024	124

324 C

624C

EAROUT_L

EAROUT_R

EAR_MIC_N

EAR_MIC_P

10-20

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-6. T-Flash Card Working

Insert T-Flash

CN301			Yes

Breakdown?

No
Pin 1,2 in			Yes
CN301 short?

No			No

Pin 2 in U508
Low?
Yes

Check U508 & Neighboring circuit

LCD_EN

TF_EN

Change CN301

Change U508

				VBATT VLCD_3.0V VTF_3.0V
1		U508
1	CE1	VOUT1 8
2	CE1	VOUT1 8
2	GND		VDD 7
3	GND		VDD 7
3	CE2	VOUT2 6
4	CE2	VOUT2 6
4		D	NC	5
	NC	D		5
	NC	N
		G

9		C530
	C547	C530
	C547

10-21

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

923C 033C

205RT

105RT

005RT

205R

105R

605C

F505

005L

80U5

745C

BOTHHOLE60

R515

R514

R510

025R

C526

HCD005 7C50

2U50

035C

C531

C520

SIM300

C512

U504 C517

005DZ 005R

213U

404L

905C

F504

805C

305FF105

105CDH

C511

R317

504L U308C510

C518 U515 C548

106NC

CN301

U503

005F205F

C107

U306C328

L501

R101

325C

C549C537C538

C521

U609

201C

701CS

335C U512U509

R508C500

123R 323R 023R 223R

913R L502L503

245C

C524

315C

U516

166C 91RC5816

C116

525C

U506

435C 115U

405L

44C5

C662

C105

C540 C535

U505

U415

C108

305C405C5C05

U5105R

C1112

1C 1R

1C 1C

1C011C9

1CS90

04AT7

L904

014L

21L

831R 721R

145C

OSC100056C 006L

546C

R024R

746C

74C0

C411

U401 2011C

1011C

TA100

C197

R631

L601

UC6D40

06R706R8

C130

R513

U500

C635

C115

C680

C527R507

C532

C133

C1104 C1105

U806

C546

C412

U101

C637

C132

6011C 7011CO201CS8011C

531R

075U

815R

R123

C634 C636

R423

606R

444C

C187

C452 C454

R129

ZD501C649 C644 R604

L402

C519R512R509R430

R124

R400

C442

10-22

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-7. Bluetooth Working

Operate BT

Ant103 and	No	Replace or Resolder Ant103 and L119

L119 O.K?


Yes

Pin 6 in U101=3.3V	No
Pin 6 in U101=3.3V	No
Pin5 in U101=1.8V		Change U101
While trying to		Change U101
While trying to
operate BT
operate BT
Yes
Replace MOD100

VBATT

VCOMBO_3.3V

VCOMBO_1.8V

U101

1VIN VOUT1 6

2GND

VOUT2

COMBO_EN

3EN2 EN1

GND

C199

C1101

C1102

10-23

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

COMBO_ANT

WLAN_SPI_nCS

WLAN_SPI_RXD

WLAN_SPI_nINT

WLAN_SPI_CLK

WLAN_SPI_TXD

						VCOMBO_3.3V VCOMBO_3.3V
																			VCOMBO_1.8V			VCOMBO_1.8V
																												VCC_3.0V



																									L124
					491 C
															001 A			591 C




	R123														T								169 C				791 C		891 C






	R124
	R124


		01 21			2	3		72	34	44	4		5	62		24										VCC_3.0V
		01 21			2	3		72	34	44	4		5	62		24										VCC_3.0V
15		PIO1	T T N P B B NAT W\|NNATL NSLETA LENAST					B3DDV3. WDDV33. WDD33.V WD1V.A8D WDD81DV. BODDVI WODDVI										PCM_OUT		17	BT_PCM_OUT
																		PCM_CLK		20	BT_PCM_CLK
9
9																				19
7		PIO0																PCM_IN			BT_PCM_IN

		PIO2		A													PCM_SYNC			18	BT_PCM_SYNC
8		PIO2															PCM_SYNC				BT_PCM_SYNC
14		PIO3																		22				BT_CTS
		PIO4																UART_CTS		22

																				24							R129			R127
																		UART_RTS		24				BT_RTS			R129			R127
6
																				23
		GPIO0																UART_RX		23				BT_TXD

46								MOD100												21
46		GPIO1																UART_TX		21				BT_RXD
32		GPIO1																UART_TX						BT_RXD
32		GPIO5
33		GPIO5																XTAL_IN_B		29			XTAL_IN_B
		GPIO6
		GPIO6																		30
																	XTAL_IN_W			30			XTAL_IN_W
39
																				28
		SD_D0														XTAL_OUT_B				28			XTAL_OUT_B
38
38																				31
37		SD_D1														XTAL_OUT_W							XTAL_OUT_W
37		SD_D1														XTAL_OUT_W							XTAL_OUT_W
36		SD_D2																		34
36		SD_D3																TDO		34
		SD_D3																TDO		48
41																		PDN		16
40		SD_CLK																RST_N_B		47
40		SD_CMD														RESET_N_W				47
															SLEEP_CLK_W					45
															SLEEP_CLK_W
						DNG DNG DNG DNG DNG						CN CN CN
						DNG DNG DNG DNG DNG						CN CN CN
			1				11	31 52	53		94 05 15

WLAN_PDN R137 BT_nRST R138 WLAN_nRST

R139

10-24

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-8. GSM850 Receiver

RX ON

Sector PWR=-50dBm

PAM100 Pin 8

>= -60dBm

Yes

PAM100 Pin 4

>= -70dBm

Yes

U100	No
Pin 50,51
>= -75dBm
Yes

Change U100 & UCP200

Resolder RFS100, C103, R100, L100,

,L101, C111

Check PAM100	Yes
Check PAM100
Truth Table		Resolder or change PAM100
Pin 1 : HIGH
Pin 1 : HIGH
Pin 27 : LOW
Pin 28 : HIGH
Pin 28 : HIGH

Resolder or change

F100,L102,L103,C122

10-25

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V_DC

				C113	C114
						C109
RFOUT_DCS_PCS	R102			TRX_WCDMA2100
	R102

	R103		R104	GSM_ANT_SEL1_N
				GSM_ANT_SEL0_N
					C137	C138
RFOUT_GCELL_EGSM	R106
RFOUT_GCELL_EGSM
	R108	R109		PAM_RAMP+

																	C112
																	C112
26								8

																4
									TN

	VBATT														RX4
									A						RX3	5
10															RX3	6
10																6
	WCDMA1														RX2
21																7
	DCS\|PCS_IN														RX1
	DCS\|PCS_IN														RX1		C131
23																	C131
	GSM_IN					PAM100									MODE	2
						PAM100									MODE	2
27																3
	BS2														RSVD
28																1
	BS1														_TXEN
	BS1														_TXEN	25
																25
	29 GND														VAPC
	29 GND
		DNG	DNG	DNG	DNG	DNG	DNG		DNG	DNG	DNG		DNG	DNG	DNG DNG
9		11	21	31	41		51	61	71		81	91	02	22	42

R107

C156

C150

							ANT
							1	1	1	1
							2	2	2	2
							3	3	3	3
							4	4	4	4
							ANT100			ANT101
	RFS100
G	C	A	G
4	3	2	1
C103			R100				L101
C103							L101
L100						C110	C111
L100							C111
				F100						L102
					OUT	3				GSM850_RXM
			1	IN	OUT	4		C121		C122
				G	G			C121		C122
C118				G	G					L103
C119				2	5					GSM850_RXP
C120										GSM850_RXP
				F101						L104
					OUT	3				GSM_RXM
			1							GSM_RXM
			1	IN		4		C135		C136
R105				G	GOUT	4		C135		C136
										L105
				2	5					GSM_RXP
										GSM_RXP
				F102		3				L106
			1		OUT	3				DCS_RXM
			1	IN G	GOUT	4		C145		L108
				2	5					L107
				2	5					DCS_RXP
										DCS_RXP
GSM_ANT_SEL2_N
				F103						L109
					OUT	3				L109
					OUT	3				PCS_RXM
			1			4				PCS_RXM
			1	IN	OUT	4		C155		L112
				G	G			C155		L112
				G	G
				2	5					L111
										PCS_RXP

561

351 941 841 31

41 74

111L 44 64

201F

101F

1F00

6011C

C7011

2018011C 531R

901

L 6 0 1 7 0 1 L 1 L 9 0

4 0 1 L 5 0 1 L

0 1 L 2 3 0 1 L

01R5

51C6

31C7

831C 9011C901C

PAM10121C8 381C 481C 451

961C

31C1031F

C121

C181C151

F10 5

C15 5 C14 5 C135

C120

C119

C118

401CS

C17 0

C114

C168

C471511L971C

C113

201CS

611R

0111C081C 621L

01P0UD

PAM100 R106R108

R103

R117

L11 6

R107

C150

R118

C1111

R109

R104

R102

SC11 6

001L

BOTHHOLE60 1

C11 2 C10 3

RFS10 0

011TNA

001TNA

111C

011CR10 0

L10 1

C51 9

R30 6

10-26

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

O	C21 1		2C	2C	R20 7 C21 2			C2	C21 4
R219 C233	R211		2C	2C				C2
C317						UCP200
R124	C328					UCP200
	R213
	C218
UME201	C216C219
	712R
	02R9
	R210
	R212	RT600		C204C221		R206 U203R215			U706
	142C	RT600		C204C221		R206 U203R215		R220	U706
		C20 0			02C3 02C1	612R	C20 8
					U200
	U61 0 C682				222R	202U			C678

SC11 3

MGND

C207 C206

C 502

R218

			32C7
			C202
			2C22 322C 2C02 2C71
C679	C210	C21 3
	3 2C90 42C RC222164	U027	C244
		R304	C244
		R200

U201

CS 101

10-27

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-9. GSM850 Transmitter

TX ON (PCL 5 level)

PAM100 Pin 8				Yes	Resolder RFS100, C103, R100
>= 5dBm						,L100 ,L101, C111
		No


				Check PAM100
PAM100 Pin		23	Yes	Truth Table
PAM100 Pin		23		Pin 1 :	LOW
>= 5dBm				Pin 1 :	LOW
>= 5dBm				Pin 27 :	HIGH
				Pin 28 : LOW
					YES
					YES

	No					Resolder or change PAM100
	No					Resolder or change PAM100

U100 Pin 55	Yes	Resolder or change PAM100, C116, R106
>= 5dBm		,R108, R109

Check U100 & UCP200

END

10-28

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

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