Samsung T400 Service Manual

ELECTRONICS

Samsung Electronics Co.,Ltd.

Printed in Korea

12/2002 Rev 1.0

GH68-03158A

ELECTRONICS

DUAL BAND Mobile

Cellular Phone

SGH-T400

SERVICE Manual

DUAL BAND MOBILE CELLULAR PHONE

CONTENTS

1. Exploded Views and Parts List

2. PCB Diagrams

3. Electrical Parts List

4. Block Diagrams

5. Flow Chart of Troubleshooting and

Circuit Diagrams

1. Exploded Views and Parts List

1-1	Main
1-2	Main Parts List
1-3	Travel Adapter
1-4	Travel Adapter Parts List
1-5	Ciger Light Adapter
1-6	Ciger Light Adapter Parts List
1-7	Test Jig
1-8	EAR Microphone
1-9	Data Kit
1-10	Battery Charger

2. PCB Diagrams

2-1 Main Top

2-2 Main Bottom

3. Electrical Parts List

3-1 Main Parts List Top

3-2 Main Parts List Bottom

4. Block Diagrams

4-1 Main Baseband

4-2 Main RF

4-2-1 RF Transmit Part

4-2-2 RF Receive Part

5. Flow Chart of Troubleshooting and Circuit Diagrams

5-1 Power ON

5-2 Initial

5-3 Charging Part

5-4 Sim Part

5-5 Microphone Part

5-6 Speaker Part

5-7 Key Data Input

5-8 Alert Tone

5-9 Ring Indicator

5-10 Back Light

5-11 GSM Receiver

5-12 GSM Transmitter

5-13 DCS Receiver

5-14 DCS Transmitter

Exploded Views and Parts List

1-1

1. SGH-T400 Exploded Views and Parts List

1-1	Main
			1
			2
	10		3
			4
	11		5
	12	8
		13	6
		9
	14
		16	7
		15
	18	17
	19
	20	21	22

1-2	Exploded Views and Parts List

1-2 Main Parts List

Location		Description	SEC CODE		Remark
No.
1		DUAL WINDOW LCD	GH72-05005A
2		FOLDER UPPER	GH75-02368A
3		LCD	GH96-01231A
4		SPEAKER	3001-001360
5		MOTOR	3101-001294
6		FOLDER LOWER	GH75-02369A
7		WINDOW LCD	GH72-05004A
8		SCREW	6001-001429
9		SCREW CAP	GH74-03025A
10		FRONT COVER	GH75-02367A
11		KEYPAD	GH75-02371A
12		MAIN PBA	GH92-01367A
13		VOLKEY F-PCB	GH59-00593A
14		DOME SHEET	GH59-00598A
15		MIC	GH59-00611A
16		CONNECTOR COVER	GH73-01331A
17		SIDE KEY	GH75-02372A
18		ANTENNA	GH42-00236A
19		REAR COVER	GH75-02370A
20		RF/COVER	GH73-01332A
21		SCREW	6001-001479
22		BATTERY	GH43-00662A

Exploded Views and Parts List

1-3

1-3 Travel Adapter

A B

C D

1-4 Travel Adapter Parts List

TYPE	SEC CODE	REMARK
A	GH44-00171A	CHINA
B	GH44-00184A	EUROPE
C	GH44-00171C	UNITED KINGDOM
D	Gh44-00171E	TAIWAN

1-4	Exploded Views and Parts List

1-5 Ciger Light Adapter

1-6 Ciger Light Adapter Parts List

DESCRIPTION	SEC CODE	REMARK
Ciger Light Adapter Code	GH44-00170A	BLACK

Exploded Views and Parts List

1-5

1-7 Test Jig

TEST JIG	GH80-10508A

TEST JIG CABLE	GH39-00079A

RF CABLE							GH39-00182A

1-6	Exploded Views and Parts List

1-7-1 Test Jig

DC

POWER

SUPPLY

8922 or 8960 WIRELESS COMMUNICATIONS

TEST SET

RF CABLE

TEST JIG CABLE

232CABLE

Note PC

Exploded Views and Parts List

1-7

1-8 Wearable EAR Microphone

Wearable EAR Microphone	GH59-00394B

1-9 Data Kit

DATA KIT	GH39-00143B

1-10 Battery Charger

BATTERY CHARGER	GH44-00279A

1-8	Exploded Views and Parts List

2. PCB Diagrams

2-1 Main Top
PCB Diagrams	2-1

2-2 Main Bottom
PCB Diagrams	2-2

3. Electrical Parts List

3-1	Main Parts List Top
NO	Refer	SEC	Part Description	Vendor Part No.
	ence	CODE
1	D300	0401-001033	DIODE-SWITCHING;MCL4154	MCL4154
2	D400	0406-001083	DIODE-TVS;ESDA6V1W5	ESDA6V1W5
3	D314	0407-001007	DIODE-ARRAY;UMN1	UMN1
4	Q100	0501-000225	TR-SMALL SIGNAL;2SC4617	2SC4617
5	Q302	0501-002011	TR-SMALL SIGNAL;2SD2114KT146V	2SD2114KT146V
6	Q305	0502-001201	TR-POWER;ZXT13P20DE6	ZXT13P20DE6
7	Q103	0504-001049	TR-DIGITAL;DTA114YET1	DTA114YET1
8	Q101	0504-001058	TR-DIGITAL;RN4985-TE85L	RN4985-TE85L
9	Q102	0504-001058	TR-DIGITAL;RN4985-TE85L	RN4985-TE85L
10	Q306	0505-001332	FET-SILICON;FDG6301N	FDG6301N
11	Q303	0506-001004	TR-ARRAY;UMC5NTL	UMC5NTL
12	U409	0801-002540	IC-CMOS LOGIC;NC7SZ19P6X	NC7SZ19P6X
13	U407	1001-001145	IC-ANALOG SWITCH;MAX4599EXT-T	MAX4599EXT-T
14	U304	1001-001183	IC-ANALOG SWITCH;MAX4684EUB	MAX4684EUB
15	U106	1201-001889	COMP-SMD;RF3110	RF3110
16	U305	1203-002127	IC-BATTERY;LTC1734ES6-4.2#TR	LTC1734ES6-4.2#TR
17	U405	1203-002187	IC-BATTERY;MAX6326XR26-T	MAX6326XR26-T
18	U100	1203-002598	COMP-SMD;LP2981AIMX-2.8	LP2981AIMX-2.8
19	U406	1205-002035	COMP-SMD;VP40578	VP40578
20	U105	1205-002185	IC-INTERFACE;SI4201-BM	SI4201-BM
21	U103	1209-001434	IC-PLL/SYNTHESISER;SI4133T-BM	SI4133T-BM
22	TH1	1404-001256	COMP-SMD;B57231-V2473-J60	B57231-V2473-J60
23	V302	1405-001018	VARISTOR;VC060314A300R	VC060314A300R
24	V405	1405-001019	VARISTOR;VC060305A150R	VC060305A150R
25	V406	1405-001019	VARISTOR;VC060305A150R	VC060305A150R
26	V301	1405-001082	VARISTOR;VC040205X150R	VC040205X150R
27	V303	1405-001082	VARISTOR;VC040205X150R	VC040205X150R
28	V400	1405-001082	VARISTOR;VC040205X150R	VC040205X150R
29	V403	1405-001082	VARISTOR;VC040205X150R	VC040205X150R
30	V407	1405-001093	COMP-SMD;AVL 14K 02 200	AVL 14K 02 200
31	V408	1405-001093	COMP-SMD;AVL 14K 02 200	AVL 14K 02 200
32	R105	2007-000138	“R-CHIP;100,5%”	ERJ2GEJ101X
33	R317	2007-000138	“R-CHIP;100,5%”	ERJ2GEJ101X
34	R468	2007-000138	“R-CHIP;100,5%”	ERJ2GEJ101X
35	R474	2007-000139	“R-CHIP;220,5%”	ERJ2GEJ221X
36	R106	2007-000140	“R-CHIP;1K,5%”	ERJ2GEJ102X
37	R300	2007-000140	“R-CHIP;1K,5%”	ERJ2GEJ102X
38	R313	2007-000140	“R-CHIP;1K,5%”	ERJ2GEJ102X
39	R102	2007-000141	“R-CHIP;2.2K,5%”	ERJ2GEJ222X

Electrical Parts List

3-1

NO	Refer	SEC	Part Description	Vendor Part No.
	ence	CODE
40	R479	2007-000141	“R-CHIP;2.2K,5%”	ERJ2GEJ222X
41	R480	2007-000141	“R-CHIP;2.2K,5%”	ERJ2GEJ222X
42	R335	2007-000143	“R-CHIP;4.7K,5%”	ERJ2GEJ472X
43	R101	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
44	R115	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
45	R117	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
46	R325	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
47	R337	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
48	R456	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
49	R461	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
50	R462	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
51	R463	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
52	R478	2007-000148	“R-CHIP;10K,5%”	ERJ2GEJ103X
53	R113	2007-000153	“R-CHIP;22K,5%”	ERJ2GEJ223X
54	R114	2007-000153	“R-CHIP;22K,5%”	ERJ2GEJ223X
55	R104	2007-000155	“R-CHIP;27K,5%”	ERJ2GEJ273X
56	R473	2007-000157	“R-CHIP;47K,5%”	ERJ2GEJ473X
57	R331	2007-000159	“R-CHIP;56K,5%”	ERJ2GEJ563X
58	R116	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
59	R314	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
60	R332	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
61	R334	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
62	R336	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
63	R402	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
64	R403	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
65	R405	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
66	“R466,”	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
67	R467	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
68	R483	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
69	R485	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
70	R488	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
71	R492	2007-000162	“R-CHIP;100K,5%”	RC1005J104CS
72	R100	2007-001244	“R-CHIP;91K,5%”	RC1005J913CS
73	R111	2007-001288	“R-CHIP;18,5%”	MCR01MZSJ180
74	R112	2007-001288	“R-CHIP;18,5%”	MCR01MZSJ180
75	R107	2007-001298	“R-CHIP;51,5%”	MCR01MZSJ510
76	R108	2007-001298	“R-CHIP;51,5%”	MCR01MZSJ510
77	R109	2007-001298	“R-CHIP;51,5%”	MCR01MZSJ510
78	R110	2007-001298	“R-CHIP;51,5%”	MCR01MZSJ510
79	R476	2007-001298	“R-CHIP;51,5%”	MCR01MZSJ510
80	R469	2007-002796	“R-CHIP;510,5%”	MCR01MZSJ511
81	R472	2007-002796	“R-CHIP;510,5%”	MCR01MZSJ511
82	R103	2007-002797	“R-CHIP;560,5%”	MCR01MZSJ511

3-2	Electrical Parts List

NO	Refer	SEC	Part Description	Vendor Part No.
	ence	CODE
83	R326	2007-003001	“R-CHIP;12,5%”	RMC16S-120J-TP
84	R327	2007-003001	“R-CHIP;12,5%”	RMC16S-120J-TP
85	R120	2007-007008	“R-CHIP;300,5%”	MCR01MZSJ301
86	R121	2007-007008	“R-CHIP;300,5%”	MCR01MZSJ301
87	R122	2007-007008	“R-CHIP;300,5%”	MCR01MZSJ301
88	R123	2007-007008	“R-CHIP;300,5%”	MCR01MZSJ301
89	R307	2007-007009	“R-CHIP;75ohm,5%”	RC1005J750CS
90	R450	2007-007317	“R-CHIP;2.2K,1%”	MCR01MZSF2201
91	R451	2007-007317	“R-CHIP;2.2K,1%”	MCR01MZSF2201
92	R452	2007-007317	“R-CHIP;2.2K,1%”	MCR01MZSF2201
93	R453	2007-007317	“R-CHIP;2.2K,1%”	MCR01MZSF2201
94	R454	2007-007318	“R-CHIP;1K,1%”	RK73H1ETP1001F
95	R455	2007-007318	“R-CHIP;1K,1%”	RK73H1ETP1001F
96	R457	2007-007318	“R-CHIP;1K,1%”	RK73H1ETP1001F
97	R459	2007-007318	“R-CHIP;1K,1%”	RK73H1ETP1001F
98	R118	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
99	R119	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
100	R319	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
101	R410	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
102	R475	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
103	R477	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
104	R481	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
105	R484	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
106	R490	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
107	R491	2007-007771	“R-CHIP;0,5%”	RC1005J000CS
108	R342	2007-008117	“R-CHIP;2.7K,1%”	ERJ2RKF2701X
109	R489	2011-001345	R-NETWORK;EXB28V103JX	EXB28V103JX
110	C404	2203-000138	“C-CERAMIC,CHIP;C152K,1.5NF,50V”	CL05B152KBNC
111	C113	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
112	C114	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
113	C115	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
114	C116	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
115	C117	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
116	C122	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
117	C132	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
118	C134	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
119	C301	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
120	C456	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
121	C458	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
122	C459	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
123	C460	2203-000233	“C-CERAMIC,CHIP;C101J,100PF,50V”	GRP1555C1H101JD01E
124	C101	2203-000254	“C-CERAMIC,CHIP;C103K,10NF,16V”	CM05X7R103K16AT
125	C104	2203-000254	“C-CERAMIC,CHIP;C103K,10NF,16V”	CM05X7R103K16AT

Electrical Parts List

3-3