ELECTRONICS
Samsung Electronics Co.,Ltd. Printed in Korea 03/2001 Rev 1.0 GH68-01895A
DUAL BAND Mobile Cellular Phone
ELECTRONICS
SGH-A288
SERVICE DUAL BAND MOBILE CELLULAR PHONE
Manual
CONTENTS 1. Exploded Views and Parts List 2. PCB Diagrams 3. Electrical Parts List 4. Block Diagrams 5. Flow chart of trouble shooting
F
DE
C C
AB
O
MN L
YZ
JK
WX
I
GH
V
TU S
PQR
1. Exploded Views and Parts List 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10
Main Main Parts List Travel Adapter Travel Adapter Parts List Ciger Light Adapter Ciger Light Adapter Parts List Test Jig Wearable EAR Microphone Data Kit Battery Charger
2. PCB Diagrams 2-1 2-2
Main Top Main Bottom
3. Electrical Parts List 3-1 3-2
Main Parts List Top Main Parts List Bottom
4. Block Diagrams 4-1 4-2
Main Base Band Main RF 4-2-1 RF Tx Part 4-2-2 RF Rx Part
5. Flow chart of trouble shooting 5-1 5-2 5-3 5-4 5-5 5-6 5-7 5-8 5-9 5-10 5-11 5-12 5-13 5-14
Power ON Initial Charging Part Sim Part Microphone Part Speaker Part Key Data Input Alert tone Ring Indicator Back Light GSM Receiver GSM Transmit DCS Receiver DCS Transmit
1. Exploded Views and Parts List 1-1 Main
8
7
3-1 3-3 3-2 3-5
3-4
1-2
3
1 1-1 3-6
36
11 10
1-3 15
21
20 9
19
17
22
16 22
5-2 5-1
6 5
18
2-3 2-9 2-7
24 2-5
2-8
2
27
2-1 2-11
2-10
30
2-2 2-4 2-6
4-3 4-6
4-2 4-7
33
4-4
4
12 13
28
29
4-5
14
26
4-1
37
4-8 4-9 23
25
32
31
34 35
Exploded Views and Parts List
1-1
1-2 Main Parts List NO 1 1-1 1-2 1-3 2 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 3 3-1 3-2 3-3 3-4 3-5 3-6 4 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8 4-9 5 5-1 5-2 6 7 8 9 10 11 12 13 14 15 16 17
1-2
SEC CODE GH75-00925A GH72-02098A GH74-00307A GH74-01114A GH75-00926A GH70-00039A GH72-02099A GH74-00309A GH74-00310A GH74-00311A GH74-00312A GH74-00580A GH74-00721A GH74-01240A GH74-01241A GH75-00928A GH75-00924A GH72-00636A GH72-02097A GH72-02394A GH73-00266B GH74-00445A GH74-01296A GH75-00927A GH61-00008A GH61-00011A GH71-00380A GH72-02102A GH72-02103A GH72-02104A GH72-02330A GH74-01236A GH74-01237A GH75-01022A GH72-02101A GH74-01238A GH07-00051A GH72-00640A GH72-00940A GH73-00504A GH73-00580A GH74-00587A 6001-000464 6001-001402 GH74-00611B GH74-00770A GH74-00979A GH74-01254A
DESCRIPTION MEC-FOLDER UPPER PMO-FOLDER UPPER MPR-TAPE WATCH WINDOW MPR-SPONGE WATCH LCD MEC-FOLDER LOWER ICT-MAGNETIC PMO-FOLDER LOWER MPR-SPONGE MAIN LCD MPR-TAPE MAIN LCD MPR-TAPE VIBRATOR MPR-TAPE SPEAKER COVER MPR-EMI MESH SPEAKER MPR-SPONGE COIL MPR-SPONGE SPEAKER MPR-TAPE BUZZER MEC-HINGE MEC-FRONT COVER PMO-HINGE DUMMY PMO-FRONT COVER PMO-REFLECTOR LED RMO-DAMPER(L) MPR-SPONGE CMIC MPR-SHIELD FOAM MEC-REAR COVER SPRING-LOCKER SPRING-SIM LOCKER NPR-BRACKET ANT PMO-REAR COVER PMO-LOCKER BATT PMO-EAR JACK COVER PMO-SIM KNOB MPR-TAPE EARPHONE MPR-TAPE MOBILE MEC-SHIELD COVER PMO-SHIELD COVER MCT-SHIELD GASKET LCD-SGHA288 PMO-WATCH WINDOW PMO-KNOB VOLUME RMO-HOLDER MIC RMO-KEY PAD MPR-DUMMY SHEET SCREW-MACHINE SCREW-MACHINE MPR-SCREW CAP MPR-ESD SHEET MPR-SHEET SPEAKER MPR-SPONGE EARJACK
COLOR
SVC
Q`TY
WHITE
SA SNA SNA SNA SA SNA SNA SNA SNA SNA SNA SNA SNA SNA SNA SA SA SNA SNA SNA SNA SNA SNA SA SNA SNA SNA SNA SNA SNA SNA SNA SNA SA SNA SNA SA SA SA SA SA SA SA SA SA SA SA SA
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 1
WHITE
WHITE
WHITE
WHITE WHITE LIGHT/GRAY WHITE WHITE WHITE
WHITE
REMARKS
PH,+,M1.4,L4,BLK PH,+,M1.4,L3,WHT
Exploded Views and Parts List
NO 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
SEC CODE GH74-01294A GH74-01295A GH74-01297A GH74-01332A GH74-40518A 6001-000464 GH71-00095A GH72-00602A GH72-00647B GH73-00578A GH73-00579A GH73-00667A GH74-40518A GH68-01684A GH68-01685A GH42-00076B GH43-00283A GH43-00305A GH97-01829A GH97-01830A
Exploded Views and Parts List
DESCRIPTION MPR-CLOTH BUZZER MPR-SPONGE VIB SPEAKER MPR-SHIELD FOAM CONN MPR-GASKET LOWER MCT-BACKUP TAPE SCREW-MACHINE NPR-CONTACT ANT PCT-WINDOW LCD PMO-SPEAKER COVER RMO-CONNECTOR COVER RMO-MOBILE CAP RMO-ANT.CONTACT RUBBER MCT-BACKUP TAPE LABEL(R)-MAIN(CHNA) LABEL(R)-MAIN(A288) ANTENNA-SGHA288 BATTERY-SLIM-SGHA288 BATTERY-STD-SGHA288 MEA FRONT-TOTAL(WHT) MEA REAR-TOTAL(WHT)
COLOR
SVC
Q`TY
SA SA SA SA SA SA SA SA SA SA SA SA SA SNA SNA SA SA SA SNA SNA
1 1 1 1 2 4 1 1 1 4 1 1 1 1 1 1 1 1 1 1
REMARKS
1-3
1-3 Travel Adapter
A
B
C
D
1-4 Travel Adapter Parts List
1-4
TYPE
SEC CODE
REMARK
A
GH44-00171A
CHINA
B
GH44-00184A
EUROPE
C
GH44-00171C
UNITED KINGDOM
D
Gh44-00171E
TAIWAN
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
1-6
TEST JIG
GH80-10508A
TEST JIG CABLE
GH39-00079A
RF JIG CABLE
GH39-00089A
Exploded Views and Parts List
DM CABLE
GH39-00080A
1-7-1 Test Jig
DC POWER SUPPLY
8922 or 8960 WIRELESS COMMVNCATIONS TEST SET
RF JIG CABLE
C
F
DE
TE
ABC
O
MN
ST
JKL
Z
WXY
GHI
JIG
TUV PQRS
232 CABLE
TEST JIG CABLE
Exploded Views and Parts List
1-7
1-8 Wearable EAR Microphone
Wearable EAR Microphone
GH59-00168A
1-9 Data Kit
DATA KIT
1-8
GH39-00078A
Exploded Views and Parts List
1-10 Battery Charger
BATTERY CHAGER
Exploded Views and Parts List
GH44-00177A
1-9
2. PCB Diagrams 2-1 Main Top
2-1
PCB Diagrams
2-1-1 Main RF Top
PCB Diagrams
2-2
2-1-2 Main Base Band Top
2-3
PCB Diagrams
2-2 Main Bottom
PCB Diagrams
2-4
2-2-1 Main RF Bottom
2-5
PCB Diagrams
2-2-2 Main Base Band Bottom
PCB Diagrams
2-6
3. Electrical Parts List 3-1 Main Parts List Top
SEC CODE
Reference
Part Description
Vendor Part No.
1
D301
0404-001054
TR-SMALL SIGNAL;HSMS-2805-L31
HSMS-2805-L31
2
D102,D104
0407-001002
TR-SMALL SIGNAL;DAN222TL
DAN222TL
3
D107
0407-001007
TR-SMALL SIGNAL;UMN1
UMN1
4
Q108
0501-000162
TR-SMALL SIGNAL;2SA1576FRT106
2SA1576FRT106
5
Q103
0501-000218
TR-SMALL SIGNAL;2SC4081BRT106
2SC4081BRT106
6
Q102,Q107
0501-002011
TR-SMALL SIGNAL;2SD2114KT146V
2SD2114KT146V
7
U111
0501-002202
TR-SMALL SIGNAL;MMBT2222AWT1
MMBT2222AWT1
8
U445
0504-000167
TR-SMALL SIGNAL;DTC114EE/TR
DTC114EE/TR
9
Q304,Q305
0504-000168
TR-SMALL SIGNAL;DTC144EE/TR
DTC144EE/TR
10
Q101,Q301
0504-001012
TR-SMALL SIGNAL;DTC114YE
DTC114YE
11
Q306
0504-001016
TR-SMALL SIGNAL;DTA114EE-TL
DTA114EE-TL
12
U443
0504-001021
TR-SMALL SIGNAL;DTB113ZK
DTB113ZK
13
U104,U124
0504-001042
TR-SMALL SIGNAL;BCR10PN
BCR10PN
14
U309,U314
0504-001058
TR-SMALL SIGNAL;BCR08PN
BCR08PN
15
U114
0505-001332
TR-SMALL SIGNAL;FDG6301N
FDG6301N
16
U101,U310
0505-001423
TR-SMALL SIGNAL;FDG6323L
FDG6323L
17
U301
0506-000151
LED;UMZ1N-TR
UMZ1N-TR
18
U644
0801-000794
IC;TC7S08FUTE85L
TC7S08FUTE85L
19
U646
0801-002345
IC;TC7S04FU(TE85L)
TC7S04FU(TE85L)
20
U642,U643
0801-002510
IC;TC7W74FK(TE85L)
TC7W74FK(TE85L)
21
U103
0801-002540
IC;NC7SZ19P6X
NC7SZ19P6X
22
U113,U115
1001-001145
IC;MAX4599EXT-T
NC7SZ19P6X
23
U109
1106-001301
IC;LRS1337
LRS1337
24
U306
1201-001018
IC;LM7131ACM5
LM7131ACM5
25
U118
1202-001022
IC;TC75W56FU-TE12L
TC75W56FU-TE12L
26
U457
1203-002142
IC;MM1448CYFE
MM1448CYFE
27
U645
1203-002187
IC;MAX6326
MAX6326
28
U108
1205-001881
IC;VP40575
VP40575
29
U305
1205-001935
IC;HD155128TF
HD155128TF
30
U302
1209-001337
IC;SI4133-MLP28
SI4133-MLP28
31
TH101
1404-001005
IC;NTH5G40B473J01TE
NTH5G40B473J01TE
32
R331
2007-000138
R-CHIP;100,5%
RK73K1ETP101J
33
R174,R177
2007-000139
R-CHIP;220,5%
ERJ2GEJ221X
34
R141,R303,R305,R308
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
35
R313,R315,R319
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
36
R681,R683
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
37
R686
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
38
R696
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
39
R700
2007-000143
R-CHIP;4.7K,5%
RK73K1ETP472J
3-1
Electrical Parts List
SEC CODE
Reference
Part Description
Vendor Part No.
40
R103,R105,R106,R114
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
41
R121,R125,R154,R155
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
42
R156,R159,R161,R162
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
43
R163,R165,R178,R182
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
44
R332,R344,R347,R673
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
45
R678,R694
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
46
R136
2007-000152
R-CHIP;20K,5%
RK73K1ETP203J
47
R144,R170
2007-000157
R-CHIP;47K,5%
RK73K1ETP473J
48
R187
2007-000159
R-CHIP;56K,5%
ERJ2GEJ563X
49
R108,R109,R116,R146
2007-000162
R-CHIP;100K,5%
RK73K1ETP104J
50
R149,R151,R157,R166
2007-000162
R-CHIP;100K,5%
RK73K1ETP104J
51
R167,R168,R169
2007-000162
R-CHIP;100K,5%
RK73K1ETP104J
52
R181,R565,R567,R695
2007-000162
R-CHIP;100K,5%
RK73K1ETP104J
53
R702,R706,R647,R648
2007-000162
R-CHIP;100K,5%
RK73K1ETP104J
54
R184,R185,R186
2007-000170
R-CHIP;1M,5%
ERJ2GEJ105X
55
R312
2007-000172
R-CHIP;10,5%
ERJ2GEJ100X
56
R369,R370
2007-000173
R-CHIP;22,5%
ERJ2GEJ220X
57
R371
2007-000174
R-CHIP;47,5%
ERJ2GEJ470X
58
R310,R301
2007-000242
R-CHIP;1.5K,5%
ERJ2GEJ152X
59
R115
2007-000982
R-CHIP;5.6K,5%
ERJ2GEJ562X
60
R329
2007-001119
R-CHIP;680,5%
ERJ2GEJ681X
61
R314,R360
2007-001298
R-CHIP;51,5%
ERJ2GEJ510X
62
R110,R175,R176,R323
2007-002796
R-CHIP;510,5%
ERJ2GEJ511X
63
R324
2007-002797
R-CHIP;560,5%
ERJ2GEJ561X
64
R304
2007-007021
R-CHIP;75K,5%
ERJ2GEJ753X
65
R333
2007-007135
R-CHIP;18K,1%
ERJ2RKF1802X
66
R322
2007-007137
R-CHIP;1.2K,1%
ERJ2GEF122X
67
R368
2007-007309
R-CHIP;12K,1%
RK73H1ETP1202F
68
R321
2007-007310
R-CHIP;8.2K,1%
RK73H1ETP8201F
69
R326
2007-007311
R-CHIP;22K,1%
RK73H1ETP2202F
70
R338,R339,R340,R341
2007-007313
R-CHIP;6.8K,1%
RK73H1ETP6801F
71
R361
2007-007315
R-CHIP;3.9K,1%
RK73H1ETP3901F
72
R120,R122,R123,R126
2007-007317
R-CHIP;2.2K,1%
RK73H1ETP3901F
73
R130,R134,R140,R143
2007-007318
R-CHIP;1K,1%
RK73H1ETP1001F
74
R327
2007-007318
R-CHIP;1K,1%
RK73H1ETP1001F
75
R153
2007-007480
R-CHIP;130K,1%
RK73H1ETP1303F
76
R318
2007-007588
R-CHIP;1.8K,1%
RK73H1ETP1801F
77
R362
2007-008117
R-CHIP;2.7Kohm,1%
RK73H1ETP2701F
78
R158,R302
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
79
R311,R351,R357
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
80
R358,R372,R587
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
81
R705
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
82
R152
2007-007981
R-CHIP;180K,1%
ERJ2GEJ0R0E
Electrical Parts List
3-2
SEC CODE
Reference
Part Description
Vendor Part No.
83
R101
2011-001345
R-CHIP;EXB28V103JX
EXB28V103JX
84
C129,C135,C138
2203-000233
C-CERAMIC,CHIP;C101J,100PF,50V
GRM36C0G101J50PT
85
C333,C351,C695
2203-000233
C-CERAMIC,CHIP;C101J,100PF,50V
GRM36C0G101J50PT
86
C706,C725
2203-000233
C-CERAMIC,CHIP;C101J,100PF,50V
GRM36C0G101J50PT
87
C107,C119,C147
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
88
C151,C164,C171,C181
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
89
C183,C197,C306
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
90
C319,C320,C321,C366
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
91
C374,C382,C549
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
92
C550,C551
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
93
C724
2203-000278
C-CERAMIC,CHIP;C100D,10PF,50V
GRM36C0G100D50PT
94
C313,C314
2203-000330
C-CERAMIC,CHIP;C120J,12PF,50V
GRM36C0G120J50PT
95
C300
2203-000359
C-CERAMIC,CHIP;C151J,150PF,50V
GRM36C0G151J50PT
96
C348
2203-000425
C-CERAMIC,CHIP;C180J,18PF,50V
GRM36C0G180J50PT
97
C302,C307,C324,C325
2203-000438
C-CERAMIC,CHIP;C102K,1NF,50V
GRM36X7R102K50PT
98
C326,C327,C330,C338
2203-000438
C-CERAMIC,CHIP;C102K,1NF,50V
GRM36X7R102K50PT
99
C344,C349,C358,C360
2203-000438
C-CERAMIC,CHIP;C102K,1NF,50V
GRM36X7R102K50PT
100
C362,C373,C357
2203-000438
C-CERAMIC,CHIP;C102K,1NF,50V
GRM36X7R102K50PT
101
C406
2203-000585
C-CERAMIC,CHIP;C221K,220PF,50V
GRM36X7R221K50PT
102
C353
2203-000628
C-CERAMIC,CHIP;C220J,22PF,50V
GRM36COG220J50PT
103
C152,C153,C158
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
104
C159,C161,C165,C167
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
105
C337,C339
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
106
C345,C356,C369
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
107
C394,C709
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
108
C118,C121,C134,C141
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
109
C148,C177,C182
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
110
C193
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
111
C711,C712
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
112
C334,C627
2203-000995
C-CERAMIC,CHIP;C470J,47PF,50V
GRM36C0G470J50PT
113
C334,C627
2203-000995
C-CERAMIC,CHIP;C470J,47PF,50V
GRM36C0G470J50PT
114
C361
2203-001072
C-CERAMIC,CHIP;0.056nF,5%
GRM36C0G560J50PT
115
C178,C180
2203-001201
C-CERAMIC,CHIP;0.007nF,0.5pF,50V
GRM36C0G070D50PT
116
C323
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36X7R821K50PT
117
C312
2203-001383
C-CERAMIC,CHIP;C0R5C,0.5PF,50V
GRM36C0G0R5C50PT
118
C301,C315
2203-002525
C-CERAMIC,CHIP;C561K,560PF,50V
GRM36X7R561K50PT
119
C403
2203-002687
C-CERAMIC,CHIP;C122K,1.2NF,50V
GRM36X7R122K50PT
120
C155,C168,C170
2203-003054
C-CERAMIC,CHIP;C090C,9PF,50V
GRM36C0G090C50PT
121
C400
2203-005054
C-CERAMIC,CHIP;C4R7C,4.7PF,50V
GRM36C0G4R7C50PT
122
C404,C340
2203-005056
C-CERAMIC,CHIP;C6R8C,6.8PF,50V
GRM36C0G6R8D50PT
123
C378,C379
2203-005057
C-CERAMIC,CHIP;C8R2C,8.2PF,50V
GRM36C0G8R2D50PT
124
C102,C106,C114,C116
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36Y5V104Z16PT
125
C163,C173,C174,C186
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36Y5V104Z16PT
3-3
Electrical Parts List
SEC CODE
Reference
Part Description
Vendor Part No.
126
C205,C303,C304
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36Y5V104Z16PT
127
C308,C316
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36Y5V104Z16PT
128
C705
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36Y5V104Z16PT
129
C104,C125
2203-005065
C-CERAMIC,CHIP;C105Z,1UF,10V
GRM39Y5V105Z10PT
130
C702,C743
2203-005065
C-CERAMIC,CHIP;C105Z,1UF,10V
GRM39Y5V105Z10PT
131
C352
2203-005138
C-CERAMIC,CHIP;C182K,1.8NF,50V
GRM36X7R182K50PT
132
C309,C310
2203-005382
C-CERAMIC,CHIP;C060B,6PF,50V
GRM36C0G060B50PT
133
C364
2203-005446
C-CERAMIC,CHIP;C2R7B,2.7PF,50V
GRM36C0G2R7B50PT
134
C335
2203-005450
C-CERAMIC,CHIP;C5R6B,5.6PF,50V
GRM36C0G5R6B50PT
135
C187,C188
2203-005480
C-CERAMIC,CHIP;C333K,33NF,10V
GRM36X7R333K10PT
136
C184
2203-005481
C-CERAMIC,CHIP;C473K,47NF,10V
GRM36X7R473K10PT
137
C146,C149
2203-005503
C-CERAMIC,CHIP;C1801J,180PF,25V
GRM36C0H181J25PT
138
C117,C124
2203-005664
C-CERAMIC,CHIP;C475K,4.7UF,6.3V
GRM40034X5R475K6.3PT
139
C710
2404-000318
C-TA,CHIP;6.8UF/16V
TCSCS1C685MBAR
140
C105
2404-001105
C-TA,CHIP;10UF/6.3V
TAJR106M006R
141
C204
2404-001162
C-TA,CHIP;F950G476MAAJZTQ2
F950G476MAAJZTQ2
142
L325
2703-001174
INDUCTOR-SMD;LL1608-FH33NJ
LL1608-FH33NJ
143
L305,L306
2703-001293
INDUCTOR-SMD;HK1608-82NJ-T
HK1608-82NJ-T
144
L308
2703-001514
INDUCTOR-SMD;0603CS-68NXJBC
0603CS-68NXJBC
145
L310
2703-001685
INDUCTOR-SMD;0603CS-82NXJBC
0603CS-82NXJBC
146
L385
2703-001708
INDUCTOR-SMD;HK1005-5N6K-T
HK1005-5N6K-T
147
L316
2703-001726
INDUCTOR-SMD;LL1005-FH27NJ
LL1005-FH27NJ
148
L323,L324
2703-001727
INDUCTOR-SMD;LL1005-FH22NJ
LL1005-FH22NJ
149
L635
2703-001730
INDUCTOR-SMD;LL1005-FH15NJ
LL1005-FH15NJ
150
L318,L634
2703-001734
INDUCTOR-SMD;LL1005-FH6N8J
LL1005-FH6N8J
151
L301
2703-001750
INDUCTOR-SMD;LL1005-FH2N2S
LL1005-FH2N2S
152
L101
2703-001752
INDUCTOR-SMD;LL1005-FH39NJ
LL1005-FH39NJ
153
L304
2703-001786
INDUCTOR-SMD;LL1005-FH10NJ
LL1005-FH10NJ
154
L637,L638
2703-001798
INDUCTOR-SMD;HK1005-2N2S
HK1005-2N2S
155
L303
2703-001944
INDUCTOR-SMD;LL1055-F27NJ
LL1055-F27NJ
156
L639,L613
2703-001954
INDUCTOR-SMD;2.7nH
HK1005-2N7S-T
157
L636
2703-001992
INDUCTOR-SMD;MLK1005S1N0ST
MLK1005S1N0ST
158
OSC101
2801-003856
COMP-SMD;MC-146(32.768KHz,20ppm)
MC-146
159
U303
2809-001237
COMP-SMD;KT16-KEU28L-13.000M
KT16-KEU28L-13.000M
160
F306
2901-001116
COMP-SMD;NFM39R12C471T1
NFM39R12C471T1
161
U601
2903-001266
COMP-SMD;MKFC225.000MBA701X-TC11
MKFC225.000MBA701X- TC11
162
F303
2904-001226
COMP-SMD;B4121
B4121
163
F302
2904-001228
COMP-SMD;B4133
B4133
164
U603
2904-001235
COMP-SMD;FAR-G6CH-1G8425-L218
FAR-G6CH-1G8425-L218
165
U318
4709-001174
COMP-SMD;LDC15D140A0001
DC15D140A0001
166
ZD105
1405-001082
IC;VC040205X150R
VC040205X150R
Electrical Parts List
3-4
3-2 Main Parts List Bottom SEC CODE
Reference
Part Description
Vendor Part No.
1
J301
3705-001239
COMP-SMD;MHC-175
MHC-175
2
L302
2703-001772
INDUCTOR-SMD;18NH,5%,1.0X0.5X0.5MM
MLK1005S18NJT
3
F307
2901-001116
COMP-SMD;NFM39R12C471T1
FM39R12C471T1
4
R330
2007-001305
R-CHIP;120,5%
ERJ2GEJ121X
5
C747
2203-005057
C-CERAMIC,CHIP;C8R2C,8.2PF,50V
GRM36C0G8R2D50PT
6
C402
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
7
C756
2404-001105
C-TA,CHIP;10UF/6.3V
TAJR106M006R
8
C396
2404-001210
C-TA,CHIP;220UF/6.3V
952D227X06R3U2T
9
U304
2909-001126
COMP-SMD;SHS-L090DE
SHS-L090DE
10
U312
1201-001689
IC;PF08107B-TB
PF08107B-TB
11
L311,L314
2703-001723
INDUCTOR-SMD;LL1005-FH33NJ
LL1005-FH33NJ
12
R335,R366
2007-002965
R-CHIP;15,5%
RK73K1ETP150J
13
R364
2007-007009
R-CHIP;75ohm,5%
ERJ2GEJ750X
14
R365,R346
2007-001288
R-CHIP;18,5%
ERJ2GEJ180X
15
R363
2007-003022
R-CHIP;62,5%
ERJ2GEJ620X
16
C697
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
17
C387
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
18
C387
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
19
C377
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
20
R667
2007-000138
R-CHIP;100,5%
RK73K1ETP101J
21
C383
2203-000278
C-CERAMIC,CHIP;C100D,10PF,50V
GRM36C0G100D50PT
22
R666
2007-000174
R-CHIP;47,5%
ERJ2GEJ470X
23
R337
2007-001313
R-CHIP;330,5%
ERJ2GEJ331X
24
C755
2203-000995
C-CERAMIC,CHIP;C470J,47PF,50V
GRM36C0G470J50PT
25
C754
2203-000995
C-CERAMIC,CHIP;C470J,47PF,50V
GRM36C0G470J50PT
26
ZD107
1405-001082
IC;VC040205X150R
VC040205X150R
27
C169
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
28
C122
2203-005444
C-CERAMIC,CHIP;C030B,3PF,50V
GRM36C0G470J112PT
29
J101
3722-001587
COMP-SMD;02-828D0-53BKA
02-828D0-53BKA
30
ZD108
0406-001083
TR-SMALL SIGNAL;ESDA6V1W5
ESDA6V1W5
31
V105
1405-001019
IC;VC060305A150R
VC060305A150R
32
ZD102
1405-001082
IC;VC040205X150R
VC040205X150R
33
C723
2203-005444
C-CERAMIC,CHIP;C030B,3PF,50V
GRM36C0G470J112PT
34
C719
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
35
C752
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
36
C722
2203-005444
C-CERAMIC,CHIP;C030B,3PF,50V
GRM36C0G470J112PT
37
ZD101
1405-001082
IC;VC040205X150R
VC040205X150R
38
C718
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
39
V102
1405-001019
IC;VC060305A150R
IC;VC060305A150R
40
R674
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
41
R675
2007-000148
R-CHIP;10K,5%
RK73K1ETP103J
42
U640
0801-002540
IC;NC7SZ19P6X
NC7SZ19P6X
3-5
Electrical Parts List
SEC CODE
Reference
Part Description
Vendor Part No.
43
R119
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
44
C753
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
45
CN105
3710-001428
COMP-SMD;AXK5F24335J
AXK5F24335J
46
U200
2806-001239
COMP-SMD;V0F1748C28KRD
V0F1748C28KRD
47
C391
2203-005065
C-CERAMIC,CHIP;C105Z,1UF,10V
GRM36C0G470J101PT
48
C392
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
49
R343
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
50
R331
2007-000138
R-CHIP;100,5%
RK73K1ETP101J
51
C365
2301-001232
C-CERAMIC,CHIP;470PF,50V
GRM36C0G470J125PT
52
R325
2007-001290
R-CHIP;24,5%
RK73K1ETP240J
53
C359
2301-001199
C-CERAMIC,CHIP;22NF,16V
GRM36C0G470J124PT
54
C750
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
55
C749
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
56
C748
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
57
R698
2007-000147
R-CHIP;8.2K,5%
ERJ2GEJ822X
58
C751
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
59
CN102
3709-001144
COMP-SMD;1318723-6
1318723-6
60
C744
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
61
R183
2007-000157
R-CHIP;47K,5%
RK73K1ETP473J
62
C192
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
63
R171
2007-000162
R-CHIP;100K,5%
RK73K1ETP104J
64
C157
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
65
C115
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
66
C732
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
67
C727
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
68
C729
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
69
R684
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
70
C730
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
71
R688
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
72
R680
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
73
R682
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
74
R685
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
75
R687
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
76
C734
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
77
C726
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
78
C728
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
79
C731
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
80
C733
2203-001221
C-CERAMIC,CHIP;C821K,820PF,50V
GRM36C0G470J58PT
81
C699
2404-001105
C-TA,CHIP;10UF/6.3V
GRM36C0G470J127PT
82
R164
2007-001308
R-CHIP;200,5%
ERJ2GEJ201X
83
C209
2404-001134
C-TA,CHIP;100UF/6.3V
GRM36C0G470J134PT
84
U117
1203-001702
IC;MAX1676EUB-T
MAX1676EUB-T
Electrical Parts List
3-6
SEC CODE
Reference
Part Description
Vendor Part No.
85
L102
2703-002025
INDUCTOR-SMD;BTC-0309-470
BTC-0309-470
86
F307
2203-005065
C-CERAMIC,CHIP;C105Z,1UF,10V
GRM36C0G470J101PT
87
C328
2404-001105
C-TA,CHIP;10UF/6.3V
GRM36C0G470J127PT
88
U463
1203-002227
IC;R5320G002-TR
R5320G002-TR
89
D108
0402-001331
TR-SMALL SIGNAL;CRS04-TE85L
CRS04-TE85L
90
C746
2203-003054
C-CERAMIC,CHIP;C090C,9PF,50V
GRM36C0G470J73PT
91
C704
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36C0G470J84PT
92
R671
2007-007107
R-CHIP;100K,1%
ERJ2RKF1003X
93
C555
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
94
C700
2404-001105
C-TA,CHIP;10UF/6.3V
GRM36C0G470J127PT
95
C535
2203-005065
C-CERAMIC,CHIP;C105Z,1UF,10V
GRM36C0G470J101PT
96
C708
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
97
C424
2203-001432
C-CERAMIC,CHIP;C473K,47NF,16V
GRM36C0G470J69PT
98
R699
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
99
R320
2007-007590
R-CHIP;82K,1%
RK73H1ETP8202F
100
U649
1203-001903
IC;LTC1986ES6
LTC1986ES6
101
C211
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
102
C208
2404-001105
C-TA,CHIP;10UF/6.3V
GRM36C0G470J127PT
103
C423
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36C0G470J84PT
104
R428
2007-003028
R-CHIP;750K,5%
ERJ2GEJ754X
105
R421
2007-000170
R-CHIP;1M,5%
ERJ2GEJ105X
106
C745
2404-001105
C-TA,CHIP;10UF/6.3V
GRM36C0G470J127PT
107
Q303
0501-002346
TR-SMALL SIGNAL;2SB1427
2SB1427
108
U116
1203-002077
IC;LP2985AIM5-3.3
LP2985AIM5-3.3
109
C190
2203-000233
C-CERAMIC,CHIP;C101J,100PF,50V
GRM36C0G101J50PT
110
C111
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
111
R328
2007-000142
R-CHIP;2.7K,5%
ERJ2GEJ272X
112
F307
3301-001208
COMP-SMD;BLM11P600SPT
BLM11P600SPT
113
U639
1203-002127
IC;LTC1734ES6-4.2#TR
LTC1734ES6-4.2#TR
114
BAT101
4302-001119
COMP-SMD;MS414 FL26N
MS414 FL26N
115
D110
0402-001331
TR-SMALL SIGNAL;CRS04-TE85L
CRS04-TE85L
116
R701
2007-000140
R-CHIP;1K,5%
RK73K1ETP102J
117
C713
2203-000254
C-CERAMIC,CHIP;C103K,10NF,16V
GRM36X7R103K16PT
118
R703
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
119
R703
1405-001082
IC;VC040205X150R
VC040205X150R
120
C721
2203-005057
C-CERAMIC,CHIP;C8R2C,8.2PF,50V
GRM36C0G470J80PT
121
C717
2203-000812
C-CERAMIC,CHIP;C330J,33PF,50V
GRM36C0G330J50PT
122
ZD109
1405-001082
IC;VC040205X150R
VC040205X150R
123
CN503
3711-004234
COMP-SMD;connector
AXK6F24335P
124
ZD205
1405-001082
IC;VC040205X150R
VC040205X150R
125
C738
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G470J84PT
126
ZD203
0406-001083
TR-SMALL SIGNAL;ESDA6V1W5
ESDA6V1W5
3-7
Electrical Parts List
SEC CODE
Reference
Part Description
Vendor Part No.
127
R209
2011-001344
R-CHIP;CRB2A4E101JT
CRB2A4E101JT
128
F201
2901-001116
COMP-SMD;NFM39R12C471T1
NFM39R12C471T1
129
F200
2901-001116
COMP-SMD;NFM39R12C471T1
NFM39R12C471T1
130
ZD201
0406-001104
TR-SMALL SIGNAL;ESDA6V1-5W6
ESDA6V1-5W6
131
R207
2011-001344
R-CHIP;CRB2A4E101JT
CRB2A4E101JT
132
C210
2203-005061
C-CERAMIC,CHIP;C104Z,100NF,16V
GRM36C0G470J84PT
133
C714
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
134
C201
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
135
L200
2703-001752
INDUCTOR-SMD;LL1005-FH39NJ
LL1005-FH39NJ
136
C740,C741
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
137
V205,V206
1405-001082
IC;VC040205X150R
VC040205X150R
138
C739
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
139
ZD202
0406-001104
TR-SMALL SIGNAL;ESDA6V1-5W6
ESDA6V1-5W6
140
R203
2007-007771
R-CHIP;0,5%
ERJ2GEJ0R0E
141
C715
2203-000679
C-CERAMIC,CHIP;C270J,27PF,50V
GRM36C0G270J50PT
142
CN502
3710-001599
COMP-SMD;1004-0018-305
1004-0018-305
Electrical Parts List
3-8
4-1
SPEAKER
MIC
LCD
KEY_BOARD
RTC_CLOCK (32.768KHz)
EEPROM
FLASH2
FLASH1
SRAM
SYSTEM CLOCK (13MHz)
VIBRATOR
Charging Circuit
Li-Ion Battery (Slim, Standard Long)
ONE C
DC/DC CONVERTER
PLL
AGC,AFC
RF INTERFACE
A/D Interface
I/O Interface
Serial Data Interface
BB INTERFACE
AVcc LDO Vcc LDO
RTC_3V3 LDO
3VBRIGHT
XVCC
3VTXRX
Battery Temperature
Battery Voltage
Battery Type
SIM CARD
4. Block Diagrams
4-1 Main Base Band
Block Diagrams
Block Diagrams
Ant. S/W
VC1(GSM) VC2(DCS)
LPF
880~915MHz (CH 62:902.4MHz) 1710~1785MHz (CH 698:1747.2MHz)
TX
Dip.
VC3
RX
LNA
LNA
IF VCO 1080MHz
RF VCO
bias circuit
U606 Rx SAW filter
U604 Rx SAW filter
Dual Power AMP Module
VCTCXO 13MHz
PLL2
PLL1
SI4133-MLP28 (U612)
APC Circuit
Dual Directional Coupler
LPF
Dual SAW Filter (U603)
925~960MHz (CH 62 : 947.4MHz)
1805~1880MHz (CH 698 : 1842.2MHz)
Mixer 1
Tx Dual VCO
GSM : 1150~1185MHz DCS : 1575~1650MHz
÷2
540MHz
GSM : 1150~1185MHz DCS : 1580~1655MHz
CH 62 : 1172.4MHz CH 698 : 1617.2MHz
IF SAW Filter (225MHz)
U601
Loop filter
÷2
270MHz
Mixer 2
÷6
GSM : 540MHz
Phase Detector
GSM : 270MHz DCS : 135MHz
Serial data interface
PGA
HD155128TF
DCS : 270MHz
LC Filter (45MHz)
C617, L608
I&Q Mod.
GSM : 270MHz DCS : 135MHz
90 ° Shift ÷2
90MHz
90 ° Shift ÷2
45MHz
I&Q Demo.
I -I Q -Q
Baseband Block
CLK SDATA LE
Q -Q
I -I
4-2 Main RF
4-2
4-3
e
Rx
L
L
H
VC1 VC2 VC3 GSM(Tx) H L L DCS(Tx) L H L
1710 ~ 1785 MHz
2
3VTX TXEN2
Ant. S/W Control Circuit
VC1 VC2 VC3
U318
3
1
APC Circuit
U318
Coupler
8
5
8
7
890 ~ 915 MHz
13 4 14 11 7
Antenna S/W U602
1
5
5
2
4
2
Dual PAM U312
VCTCXO 13MHz U303
SI4133-MLP28 U302
8
1
15
PLL2
PLL1
10
6
TX VCO U610 3
23
10
d
AFCDAC
IF VCO 1080MHz
RF VCO
Loop Filter
15
4
11
30
47
U305 HD155128TF
540 MHz
GSM : 1150 ~ 1185 MHz PCN : 1575 ~ 1650 MHz (Tx)
20 19 18 17
35
38
U108
2
QTXN
QTXP
ITXN
ITXP
3
BAND Selection - GSM : Low - DCS : High
TXEN RAMPDAC
1
VP40575
c
b
a
4-2-1 RF Transmit Part
Block Diagrams
Block Diagrams
Antenna S/W U304
3
Dual SAW Filter U603 5
7
1805 ~ 1880 MHz
-52dBm
16
1
Frequency = 947.067 MHz Power = - 46 dBm
- 46dBm @ 947.067 MHz - 50dBm @ 1842.467 MHz
2
9
-47dBm
935 ~ 960 MHz
10
6
2
2
RF SAW Filter
-38dBm
8
VCTCXO 13MHz U303
2,3
PLL2
PLL1
-43dBm
4,6
53,54 -33dBm
4,6
15
F302
-30dBm
4
SI4133-MLP28 U302
LNA
LNA
RF SAW Filter
F303
AFCDAC
IF VCO 1080MHz
RF VCO
Mixer 1
Mixer 1
47 -9dBm @ 1172 MHz -9.5dBm @ 1617.4 MHz
40,41
23 -8dBm @ 540 MHz
GSM : 1150 ~ 1185 MHz PCN : 1580 ~ 1655 MHz (Rx)
10
2,4 -31dBm (G) -35dBm (D)
1/2
30
Mixer 2
43
Demod.
I&Q
HD155128TF U605
PGA
-22dBm (G) -25dBm (D) @ 45.067 MHz 44
LC Filter (45MHz)
IF SAW Filter (225MHz) 6,8 -24.4dBm (G) -29dBm (D) @ 224.933 MHz 49,50
C300, L310
U601
32
33
-50dBm (G) -54dBm (D) @ 67 kHz
24
25
26
27
SYNEN1
SCLK
SDATA
RXEN2
RXEN1
QRXN
QRXP
IRXN
IRXP
VP40575 U108
4-2-2 RF Receive Part
4-4
5. Flow chart of trouble shooting and Circuit Diagram 5-1 Power ON
'POWER ON'does not work
Yes Check the Battery Voltage is more than 3.2V
No Charge the Battery
Yes The node between D110 and BAT101 = 3V ?
No
Check U116 and the path from +VBATT to BAT101
Yes No U117 pin 1,4,10 > 3.2V
Check the circuit related to U117
Yes No U463 pin 1, 3 = "H"?
Check the circuit related to U463
Yes No U463 pin5, 7 = 2.9V ?
Check U463 and related circuit
Yes No Check for the clock signal at R301
Check the clock generation circuit (related to U303 and U301)
Yes Check the initial operation
END
5-1
Flow chart of trouble shooting and Circuit Diagram
Flow chart of trouble shooting and Circuit Diagram
5-2
+VBATT
C203
5 REF
_SHDN 6
4 CLSEL BATT 7
GND 8
LX 9
2 LBI
3 _LBO
OUT 10
1 FB
U117
C699
R164
L102
DCIN
C746
D108
R567
C209
C701
C202
2
D107
5
4
3
1
8
7
6
5
3.3V
C190
VIN
NO VO3
VO2
VO1
GND
U463
PS2/3
PS1
R166
1
2
3
4
C186
C535
VCC
U116 1 5 VIN VOUT 2 GND BYPASS 4 3 ON/OFF
R167
R168
One Point Contact
C700
C208
C708
2
3
U111
1
C555
One Point Contact
C328
AVCC
C211
R157
BAT101
1 2
R161
C713
DCVOLT
RTC_3V3
ON_OFF
BB_PWR
RTC_VCC
RTC_3V3
5-2 Initial
Initial Failure
No U103 pin 4 = "H" ?
Check and repair the important signals of U108 as follows
Yes The node between R162 and C183 = "H" (RST)
No Check U112
Yes No R114 = "H" (BOOT)
Resolder R114
Yes Check all the other connection by Test S/W
No R673 = "H" (MSIZE)
Resolder R673
Yes Check the circuit around LCD
No R165 = "L" (EXTPROC)
Resolder R165
Check the circuit around U107(EEPROM) and data stored in it Replace PBA
END
5-3
Flow chart of trouble shooting and Circuit Diagram
Flow chart of trouble shooting and Circuit Diagram
5-4
SIMPWDN_BOOT
R162
VCC
R114
U645 C183
GPIO3
SYSRST
U108
DTR1
GPIO4
R673
VCC
F_WP
MSIZE
4
6
U103 F_BE1
F_BE0 F_VCCW
U109 VCC
R156
F_WP
5-3 Charging Part
Abnormal charging part
Yes
No Check the CN502 pin 17,18
5.2V ?
Replace TA
Yes
No Check the U639 pin 3
5.2 V ?
Resolder C111, L632, C710
Yes
No U639 pin 4 = "L" ?
Resolder R328
Yes
No Check the U639 pin 5
4.2V ?
Resolder components around U639
Yes
END
5-5
Flow chart of trouble shooting and Circuit Diagram
Flow chart of trouble shooting and Circuit Diagram
5-6
DCVOLT
C111
L632
C710
3
2
1
VCC
GND
ISENSE
PROG
VSENSE
DRIVE
U639
4
5
6
1
Q303
R328
2
3
R671
R320
L:ON,H:OFF
C704
CHG_ON
ICHRG
BAT_VOLT
+VBATT
5-4 Sim Part
Phone can't access SIM card
Yes No R699 = 2.9 V ?
Check the circuit related to U463
Yes No Check the circuit related to R421, R428, U649
U463 pin1 = 3 V ?
Yes No U101 pin6 = 3 V ?
Resolder R103
Yes No U101 pin 5 = "H" ?
Replace the PBA
Yes No U101 pin 2, 3 = 3 V ?
Replace U101
Yes No CN102 pin 1, 5 = 3 V ?
Resoldering CN102 and check open connection from U101 to CN102
Yes After Power ON, Check SIMCLK Signal on CN102 pin 3 in a few second
No Replace PBA
Yes
After SIM card insert, CN102 pin 2 = "H(SIMRST) ?
No Replace the PBA
Yes Check the circuit around U107 (Serial EEPROM) and data stored in it
END
5-7
Flow chart of trouble shooting and Circuit Diagram
Flow chart of trouble shooting and Circuit Diagram
5-8
SIMALIM
SIMPWDN_BOOT
SIM_5V3V
R428
R421
C423
R699
VCC
C424
VIN
VOUT
1
2 5 C1+ GND 4 3 C1- MODE
6
U649
C745 C104
R103
SIM_VCC
FDG6323L
3 VIN,R1 V.C1-2 2 5 ON/OFF V.C1-1 1 6 R1,C1 R2 4
U101
C107 SIMRST SIMCLK
SIMDATA
C749
C750
R698
CN102 1 C1 C5 4 2 C2 C6 5 3 C3 C7 6
C748
C751
5-5 Microphone Part
Microphone does not work
Yes
No
Check the connection from CN503, pin 10, 11
Resolder CN503, pin 10, 11 and ZD109, ZD112
Yes
No U113, U115 pin 2 (AVCC)
Check the circuit related to Q102
2.9V?
Yes
Check the circuit from U108 to U113, U115
No Resolder the R174, R175, R176 R177, C187, C188 and C204
Yes
No Check the Key PCB
Replace the Key PCB
Yes
END
5-9
Flow chart of trouble shooting and Circuit Diagram
Flow chart of trouble shooting and Circuit Diagram
5-10
U463
AVCC
CN503
11
10
AVCC
U113
U115
ZD109
ZD112
R175
R176
R174
R177
AVCC
C187
C188
U108
5-6 Speaker Part
Speaker does not work
Yes
No Resoler J101
J101 pin 2, 3 = short
Yes No J101 pin 2, 3, 6 = 1.5V?
Replace the PBA
Yes No CN 105 pin 22, 23 = 1.5V?
Resolder CN105
Yes
Check the depression of the SPK pins
No Modify the SPK pins
Yes
No Is Speaker working?
Replace the Speaker
Yes
END
5-11
Flow chart of trouble shooting and Circuit Diagram
5-7 Key Data Input
Check Initial operation
Yes
Are the pin 19,20,21,22 and 23 of CN503 low?
No Replace the PBA
Yes When one of the keys is pushed, one of pin 19,20,21,22 and 23 of CN503 is high ?
No Resolder pin 19,20,21,22 and 23 of CN503
Yes
No Key PCB is OK ?
Replace the Key PCB
Yes
END
Flow chart of trouble shooting and Circuit Diagram
5-12
5-8 Alert Tone
Abnormal Alert tone
Is there alert wave form on the R110 during alert tone test?
No ALERT by Test S/W
Yes
No Is there alert wave form on the Q102 pin 3 during alert tone test?
Check the circuit related to Q102
Yes
No U116 pin 5
3.3V?
Check the circuit related to U116
Yes
No Buzzer is ok?
Change the Buzzer
Yes
END
5-13
Flow chart of trouble shooting and Circuit Diagram
Flow chart of trouble shooting and Circuit Diagram
RTC 3V3(From U116 pin5)
BUZ+ D104
Q102 R110
1
From IC
3 2
R109
C102
BUZ-
5-14
5-9 Ring Indicator
Ring Indicator LED does not work
No Q101 pin 2 = "H"?
GPO2 by Test S/W
Yes
No Q101 pin 3 = "L"?
Replace Q101
Yes
No Resolder CN503, LED
CN503 pin 3 = "L"?
Yes
No Key PCB is OK?
Replace the Key PCB
Yes
END
5-15
Flow chart of trouble shooting and Circuit Diagram
KPCB A'SSY
RI_LIGHT
R706
Q101
3
CN503 Flow chart of trouble shooting and Circuit Diagram
5-16
5-10 Back Light
Backlight does not work
Backlight "ON" mode in the menu?
No Select backlight "ON" mode
Yes No U108 pin J3 = "H" ?
LCD BACKLIGHT
Yes
GPO1 by test S/W
KEY PCB LED
No
Check the CN105 pin 17
Check the CN105 pin 17 = "H" ?
Yes No LCD backlight on ?
Replace EL sheet
Yes Resolder R141, R149
No
Q107 pin 1 = "H" ?
END
Yes
Resolder Q107
No
Q107 pin 3 = "L" ?
Yes
Resolder CN503 or Replace Key PCB
No Key PCB LED on ?
Yes
END
5-17
Flow chart of trouble shooting and Circuit Diagram
5-11 GSM Receiver Rx On RF input : CH center freq. + 67.7 kHz Amp. : -50 dBm
U304 Pin 2 ≥ -65 dBm
No
Check RF connector -> resolder
Yes U304 Pin 9 ≥ -65 dBm
Resolder & U304 Pin 9 ≥ -65 dBm
No
Yes
U603 Pin 7 ≥ -70 dBm
Check VC1 : L VC2 : L VC3 : H
No
Yes
No
Resolder U603
Yes F303 Pin 2 ≥ -60 dBm
No
Resolder L613, L635, L639, C659
Yes U305 Pin 53, 54 ≥ -60 dBm
Resolder F303, C333 L323, L324
No
Yes U305 Pin 49, 50 (225 MHz) ≥ -50 dBm
No
Check C301(CH+225MHz) ≥-20 dBm C315(1080MHz) ≥-20 dBm
Yes
U305 Pin 43, 44 (45 MHz) ≥ -55 dBm
No
Resolder U302
Yes
No
Resolder U601, C309, C310, C312 C313, C314, C400, R700
No
Resolder OneC(U108), U305
No
Resolder U305(Pin 35, Pin 32, 33)
Yes U305 Pin 24, 25, 26, 27 ≥ 40 mV
Yes Check U305 Pin 32, 33 ≥ 2.5V Pin 35 ≥ 0.5V
Yes Resolder U108
Flow chart of trouble shooting and Circuit Diagram
5-18
5-12 GSM Transmit
Tx On (level : 5)
U304 Pin 2 ≥ 30 dBm
Yes
Resolder J301
No U304
Check VC1 : L VC2 : H VC3 : L
Yes
Pin 7 ≥ 30 dBm
No
No
U312 Pin 1 ≥ 30 dBm
Yes
Yes
Change or Resolder U304
Check Ant. S/W, Control Circuit
Resolder U318, C353
No U312
Check U312 : +VBATT Pin 2 (APC) OK?
Yes
Pin 1 ≥ -10 dBm
No
No U200 Pin 6 ≥ -10 dBm
Yes
Yes
Resolder or Change U312
Check +VBATT or APC Control
Resolder or Change C698, R335, R364, R366
No U200 Pin 7 ≥ 0.5 V Pin 5 ≥ 2.8 V Pin 3 = 0.5~2.5 V
No
Resolder U200, R343
Yes U305 pin 30, 47 U107 ≥ -10 dBm
No
Resolder U305, U302
Yes U305 Pin 17, 18, 19, 20 ≥ 40 mV
No
OneC(U108) Resolder
Yes Check U305 Pin 38 ≥ 2.5 V Pin 35 ≤ 0.5 V
No
Resolder U201 (Pin35, Pin38)
Yes Resolder U108
5-19
Flow chart of trouble shooting and Circuit Diagram
5-13 DCS Receiver Rx On RF input : CH center freq. + 67.7 kHz Amp. : -50 dBm
U304 Pin 2 ≥ -65 dBm
No
Check RF connector -> resolder
Yes U304 Pin 16 ≥ -65 dBm
Resolder & U304 Pin 16 ≥ -65 dBm
No
Yes
U603 Pin 5 ≥ -70 dBm
Check VC1 : L VC2 : L VC3 : H
No
Yes
No
Resolder U603
Yes F302 Pin 2 ≥ -60 dBm
Resolder C627, C724, C725, L636
Yes U305 Pin 2, 3 ≥ -60 dBm
Resolder F302, C335 L638, L637
No
Yes U305 Pin 49, 50 (225 MHz) ≥ -50 dBm
No
Check C301(CH-225MHz) ≥-20 dBm C315(1080MHz) ≥-20 dBm
Yes
U305 Pin 43, 44 (45 MHz) ≥ -55 dBm
No
Resolder U302
Yes
No
Resolder U601, C309, C310, C312 C313, C314, C400, R700
No
Resolder OneC(U108), U305
No
Resolder U305(Pin 35, Pin 32, 33)
Yes U304 Pin 24, 25, 26, 27 ≥ 40 mV
Yes Check U305 Pin 32, 33 ≥ 2.5V Pin 35 ≥ 2.5V
Yes Resolder U108
Flow chart of trouble shooting and Circuit Diagram
5-20
5-14 DCS Transmit Tx On (level : 0)
U304 Pin 2 ≥ 25 dBm
Yes
Resolder J301
No U304
Check VC1 : L VC2 : H VC3 : L
Yes
Pin 13 ≥ 25 dBm
No
No
U318 Pin 3 ≥ 25 dBm
Yes
Yes
Change or Resolder U304
Check Ant. S/W, Control Circuit
Resolder U318, C364
No U312
Check U312 : +VBATT Pin 2 (APC) OK?
Yes
Pin 8 ≥ -10 dBm
No
U200 Pin 10 ≥ -10 dBm
No
Yes
Yes
Resolder or Change U312
Check +VBATT or APC Control
Resolder or Change C697, C346, R365, R363
No U200 Pin 7 ≥ 2.5 V Pin 5 ≥ 2.5 V Pin 3 = 0.5~2.5 V
No
Resolder U200, R343
Yes U305 pin 30, 47 U107 ≥ -10 dBm
No
Resolder U305, U302
Yes U305 Pin 17, 18, 19, 20 ≥ 40 mV
No
Resolder OneC(U108)
Yes Check U305 Pin 38, Pin 35 ≥ 2.5 V
No
Resolder U201 (Pin35, Pin38)
Yes Resolder U108
5-21
Flow chart of trouble shooting and Circuit Diagram
SDATA
SCLK
SYNEN1
C320 10NF
2
1 VT VCC
C304 100NF
GNDOUT
3
4
R310 1.5K
R305 1K
C306 10NF
C307 1NF
C316 100NF
R308 1K
R311 0
21
20
19
18
17
16
15
1
2
3
14 13 12 11 10
IFLB
IFLA
GNDD
VDDD U302
9
SI4133-MLP28
22 23 24 25 26 27
NC
U301
UMZ1N-TR
GNDD
XIN
C308 100NF
R304
6
5
4
PWDNB
3VRF
R313 1K
L303 27nH
AUXOUT VDDI
C305 5.6NF
IFOUT
U303
SCLK
C319 10NF
VDDR SENB
NC GNDI
RFOUT
AFC
R312 10
8
NC
RFLD
RFLC
GNDR
RFLB
RFLA
GNDR
2 1
3
4
5
6
7
C303 100NF
R302 0
R303 1K
28 29
GNDR SDAT
NC GNDR
XVCC
GND
Flow chart of trouble shooting and Circuit Diagram
5-22
R301 1.5K
C302 1NF
L304 10nH
L301 2.2nH
C315 560PF
C301 560PF
IFLO
RFLO
CLK13M
3VBANDSEL
DCSTX
GSMTX
3VTXEN1
DCSRX
GSMRX
3VRF
3
1
OUT1
2
R667 100
4
6
R666 47
R337 330
8
IN2 OUT2 G1 G2 G3 G4
IN1
2.7nH
33PF
C697
L619 NC
47PF
33PF
R343 0
C627
2
2
C698
5
7
L639
IN 6 OUT2 G3 G2 G1 5 3 1
4 OUT1
F302 B4133
IN 6 OUT2 G3 G2 G1 5 3 1
4 OUT1
U603 FAR-G6CH-1G8425-L218
C338 1NF
F303 B4121
C392 C391 27PF 1UF
L630 NC
C335 5.6pF
C333 100PF
OUT2 (DCS)
C322 NC L637 2.2nH
L638 2.2nH
L322 NC L324 22nH
L323 22nH
C348 18PF
R369 22
VT
7 1 2 8 911 12 4
C387 27PF
C367 NC
3
R331 100
C359 22NF
R325 24
L309 NC
L316 27NH
Film Cap 2012
C365 470PF
L318 6.8nH
C344 1NF
L312 NC
C349 1NF
C337 27PF
U200 V0F1748C28KRD
C724 10PF
L613 2.7nH
VCC
5 OUT1 (GSM)
C383 10PF
10
6
C695 100PF
L636 1nH
C725 100PF
C329 NC
L635 15nH
R370 22
1NF 1NF
C358 C360
R314 51
C327
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C403 1.2NF
1NF
C312 0.5PF
C321 10NF
R700 4.7K
L305 82nH
1NF
1NF
RFLO AGC_EN SCLK SDATA
SW G1 G2 G3 G4 G5 G6 NC
1NF C324
C325
C326
L306 82nH
SDATA MIX1DCSINB MIX1DCSIN GSMC GSME GSMB DCSE2 DCSC DCSE1 DCSB VCOIN VCCPLL/LNA GNDPLL/LNA VCCCOMP
6PF
C310
U305 HD155128TF
R333 18K,1%
C373 C374 1NF 10NF
42 41 40 39 38 37 36 35 34 33 32 31 30 29
C300 150PF
6PF
C309
VCCCTRL IFIN IFINB GNDCTRL POONTX TESTOUT NC BAND NC POONRX1 POONRX2 IFDIVSEL IFLOIN VCCIFLO
56 55 54 53 52 51 50 49 48 47 46 45 44 43 CLK LE MIX1GSMINB MIX1GSMIN GNDMIX VCCMIX MIX1OUTB MIX1OUT VCCRELO RFLOIN GNDIF VCCIF MIX2OUT MIX2OUTB
PLLOUT ICURAD QINB QIN IINB IIN RESET VCCIQ GNDIQ QOUTB QOUT IOUTB IOUT GNDIFLO
15 16 17 18 19 20 21 22 23 24 25 26 27 28
5-23
Flow chart of trouble shooting and Circuit Diagram
Coilcraft
L310 82nH
C366 10NF
C330 1NF
G1
C378 8.2PF
C379 8.2PF
C345 27PF
1 3 5 7
6.8K,1%
6.8K,1%
R339
R338
6.8K,1%
6.8K,1%
C356 27PF
R351
R340
R341
C339 27PF
1%
1%
1%
0
1K
1%
R315 1K
R319
U601 MKFC225.000MBA701X-TC11 2 6 OUT1 IN1 4 8 OUT2 IN2 G2 G3 G4
R371 47
C362
C311 NC
1NF
F306 NFM39R12C471T1
C313 12PF
C314 12PF C400 4.7PF Coilcraft
L308 68nH
QTXN
QTXP
ITXN
ITXP
QRXP QRXN
IRXN IRXP
IFLO
RXEN2
RXEN1
TXEN1
3VRF
3VBANDSEL
TXEN2
3VTX
RXEN1
VC1
DCSTX
GSMTX
R695 100K
18
R346
18
R365
R363 62
15
R694 10K
6
5
4
V.C1-2
4
6
5
R2
FDG6323L
FDG6323L
R1,C1
ON/OFF V.C1-1
VIN,R1
3
1
2
3
1
2
L
RX
U310
L
Tx(DCS)
2 1
3
Q301 DTC114YE
C382 10NF
H
L L
L H
H
Tx(GSM)
L
RXEN1
VC2
VC1
Antenna S/W Control Circuit
15
R335
R344 10K
C396 220UF 6.3V
5
4
C369 27PF R332 10K
E1 B1 C2 1 2 3
C1 B2 E2
6
U309 BCR08PN
5 4
C394 27PF
VC1
VC2
L311 33nH
L314 33nH
3VTXEN2
R679 NC
F307 NFM39R12C471T1
11
ANT
C361
R326
7 GSM_TX 13 DCS_TX 9 GSM_RX 16 DCS_RX
C351 100PF
R368 12K,1%
VC3 G GG GGG GG 1 3 5 6 8101215
VC2
4 VC1 14
2
R321 8.2K,1%
U304 SHS-L090DE
C357 1NF
3VTXEN2 R323 510
L302 18nH
2
C353 22PF
4
3
6
U312 PF08107B-TB
2 VAPC
47PF L634 6.8nH
6.8PF
C364 2.7PF
0
C340
L325 33nH 1608
C404 6.8PF
R357
R324 560
R353 NC
R358
L633 NC
3VTXEN2
0
VDD1 VDD2 1 PINGSM 4 POUTGSM 8 PINDCS POUTDCS 5 7 VCTL
C334
C372 NC
D301 HSMS-2805-L31 1 3
R327 1K,1%
56PF
22K,1%
R361 U306 C406 3.9K,1% LM7131ACM5 220PF 5 3 IN V+ OUT 1 4 IN1V2
3VTXEN2
C747 8.2PF
R362 2.7K (1%)
R329 680
C323 820PF
C377 10NF
R318 1.8K,1%
C352 1.8NF
C402 33PF
R322 1.2K,1%
R347 10K
E1 B1 C2 1 2 3
C1 B2 E2
6
U314 BCR08PN
R330 120,5%
TXPOWER
C756 10UF 6.3V
G10
R364 75 R366
G1 G2 G3 G4 G5 G6 G7 G8 G9
9 10 11 12 13 14 15 16 17 18
+VBATT
FL_OUT
GND1 GND2
1 IN
DCSRX
GSMRX
FL
U318 LDC15D140A0001
R360 51
FH FH_OUT
8
3 2 1
TERM 4 COU_OUT
5
6 OUT 2
J301 MHC-175
7
3 4 GND1 5 GND2 6 GND3 GND4
Flow chart of trouble shooting and Circuit Diagram
5-24
L385 5.6nH
R372 0
C390 NC
ANT2
ANT1
5-25
Flow chart of trouble shooting and Circuit Diagram
BANDSEL
SYSCLKENA
3.3V
SYNEN
TXEN1
C125 1UF
10NF
10NF
C549
10NF
C551
C550 R587
VO2
GND
10 LDO2
MM1448CWFE
2.9V,100mA SW1,50mA
9
11
8
12
7 SW2,80mA
13
6
14
5
LDO3 2.9V,100mA
LDO1 2.9V,100mA
4
3
15
9
10
16
MM1448CYFE
NS2
PS2
VO3 16 15 PS5 14 VO5 13 NC 12 VO4 PS4 11
2
8
7
1 VO1 2 NS1 3 PS1 4 VIN 5 PS3 6 NS3
1
0
U457
C124 4.7uF
C106 100NF
2
1
2 U443 DTB113ZK
U445 DTC114EE/TR 1
3
3
C117 4.7uF
C105 10UF/6.3V
R591 NC
C116 100NF
R678 10K
C705 100NF
(SYNTH&BRIGHT)
BAND SELECT
3VRF
3VBANDSEL
XVCC
3VTXEN1
3VTX