ELECTRONICS
SERVICE
DUAL BAND Mobile
Cellular Phone
SGH-A288
C
ABC
GHI
JKL
DEF
MNO
PQRS
TUV
WXYZ
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 trouble shooting
Samsung Electronics Co.,Ltd.
Printed in Korea
03/2001 Rev 1.0
GH68-01895A
ELECTRONICS
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 Wearable 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 Base Band
4-2
Main RF
4-2-1
RF Tx Part
4-2-2
RF Rx Part
5. Flow chart of trouble shooting
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 Transmit
5-13
DCS Receiver
5-14
DCS Transmit
Exploded Views and Parts List
1-1
1. Exploded Views and Parts List
1-1 Main
1-2
1
1-3
2-9
2-7
2-5
2-3
2-8
2-2
2-6
2-10
2-1
2-11
2-4
1-1
19
16
13
2
26
12
14
25
22
18
21
15
20
6
7
3-4
3-6
3-1
3-3
3-2
8
11
3
5
24
23
31
37
4
36
33
32
34
35
28
29
10
17
27
30
9
22
5-2
5-1
4-2
4-1
4-8
4-3
4-5
4-9
4-6
4-7
4-4
3-5
NO
SEC CODE
DESCRIPTION
COLOR
SVC
Q`TY
REMARKS
1
GH75-00925A
MEC-FOLDER UPPER
WHITE
SA
1
1-1
GH72-02098A
PMO-FOLDER UPPER
SNA
1
1-2
GH74-00307A
MPR-TAPE WATCH WINDOW
SNA
1
1-3
GH74-01114A
MPR-SPONGE WATCH LCD
SNA
1
2
GH75-00926A
MEC-FOLDER LOWER
WHITE
SA
1
2-1
GH70-00039A
ICT-MAGNETIC
SNA
1
2-2
GH72-02099A
PMO-FOLDER LOWER
SNA
1
2-3
GH74-00309A
MPR-SPONGE MAIN LCD
SNA
1
2-4
GH74-00310A
MPR-TAPE MAIN LCD
SNA
1
2-5
GH74-00311A
MPR-TAPE VIBRATOR
SNA
1
2-6
GH74-00312A
MPR-TAPE SPEAKER COVER
SNA
1
2-7
GH74-00580A
MPR-EMI MESH SPEAKER
SNA
1
2-8
GH74-00721A
MPR-SPONGE COIL
SNA
1
2-9
GH74-01240A
MPR-SPONGE SPEAKER
SNA
1
2-10
GH74-01241A
MPR-TAPE BUZZER
SNA
1
2-11
GH75-00928A
MEC-HINGE
SA
1
3
GH75-00924A
MEC-FRONT COVER
WHITE
SA
1
3-1
GH72-00636A
PMO-HINGE DUMMY
SNA
1
3-2
GH72-02097A
PMO-FRONT COVER
SNA
1
3-3
GH72-02394A
PMO-REFLECTOR LED
SNA
1
3-4
GH73-00266B
RMO-DAMPER(L)
SNA
2
3-5
GH74-00445A
MPR-SPONGE CMIC
SNA
1
3-6
GH74-01296A
MPR-SHIELD FOAM
SNA
2
4
GH75-00927A
MEC-REAR COVER
WHITE
SA
1
4-1
GH61-00008A
SPRING-LOCKER
SNA
1
4-2
GH61-00011A
SPRING-SIM LOCKER
SNA
2
4-3
GH71-00380A
NPR-BRACKET ANT
SNA
1
4-4
GH72-02102A
PMO-REAR COVER
WHITE
SNA
1
4-5
GH72-02103A
PMO-LOCKER BATT
WHITE
SNA
1
4-6
GH72-02104A
PMO-EAR JACK COVER
LIGHT/GRAY
SNA
1
4-7
GH72-02330A
PMO-SIM KNOB
WHITE
SNA
1
4-8
GH74-01236A
MPR-TAPE EARPHONE
WHITE
SNA
1
4-9
GH74-01237A
MPR-TAPE MOBILE
WHITE
SNA
1
5
GH75-01022A
MEC-SHIELD COVER
SA
1
5-1
GH72-02101A
PMO-SHIELD COVER
SNA
1
5-2
GH74-01238A
MCT-SHIELD GASKET
SNA
1
6
GH07-00051A
LCD-SGHA288
SA
1
7
GH72-00640A
PMO-WATCH WINDOW
SA
1
8
GH72-00940A
PMO-KNOB VOLUME
SA
1
9
GH73-00504A
RMO-HOLDER MIC
SA
1
10
GH73-00580A
RMO-KEY PAD
SA
1
11
GH74-00587A
MPR-DUMMY SHEET
SA
1
12
6001-000464
SCREW-MACHINE
SA
2
PH,+,M1.4,L4,BLK
13
6001-001402
SCREW-MACHINE
SA
2
PH,+,M1.4,L3,WHT
14
GH74-00611B
MPR-SCREW CAP
WHITE
SA
2
15
GH74-00770A
MPR-ESD SHEET
SA
1
16
GH74-00979A
MPR-SHEET SPEAKER
SA
1
17
GH74-01254A
MPR-SPONGE EARJACK
SA
1
1-2 Main Parts List
1-2
Exploded Views and Parts List
1-3
Exploded Views and Parts List
NO
SEC CODE
DESCRIPTION
COLOR
SVC
Q`TY
REMARKS
18
GH74-01294A
MPR-CLOTH BUZZER
SA
1
19
GH74-01295A
MPR-SPONGE VIB SPEAKER
SA
1
20
GH74-01297A
MPR-SHIELD FOAM CONN
SA
1
21
GH74-01332A
MPR-GASKET LOWER
SA
1
22
GH74-40518A
MCT-BACKUP TAPE
SA
2
23
6001-000464
SCREW-MACHINE
SA
4
24
GH71-00095A
NPR-CONTACT ANT
SA
1
25
GH72-00602A
PCT-WINDOW LCD
SA
1
26
GH72-00647B
PMO-SPEAKER COVER
SA
1
27
GH73-00578A
RMO-CONNECTOR COVER
SA
4
28
GH73-00579A
RMO-MOBILE CAP
SA
1
29
GH73-00667A
RMO-ANT.CONTACT RUBBER
SA
1
30
GH74-40518A
MCT-BACKUP TAPE
SA
1
31
GH68-01684A
LABEL(R)-MAIN(CHNA)
SNA
1
32
GH68-01685A
LABEL(R)-MAIN(A288)
SNA
1
33
GH42-00076B
ANTENNA-SGHA288
SA
1
34
GH43-00283A
BATTERY-SLIM-SGHA288
SA
1
35
GH43-00305A
BATTERY-STD-SGHA288
SA
1
36
GH97-01829A
MEA FRONT-TOTAL(WHT)
SNA
1
37
GH97-01830A
MEA REAR-TOTAL(WHT)
SNA
1
1-4
Exploded Views and Parts List
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
1-3 Travel Adapter
A
B
C
D
Exploded Views and Parts List
1-5 Ciger Light Adapter
1-5
1-6 Ciger Light Adapter Parts List
DESCRIPTION
SEC CODE
REMARK
Ciger Light Adapter Code
GH44-00170A
BLACK
Exploded Views and Parts List
1-6
1-7 Test Jig
TEST JIG
GH80-10508A
TEST JIG CABLE
GH39-00079A
RF JIG CABLE
GH39-00089A
Exploded Views and Parts List
1-7
DM CABLE
GH39-00080A
1-7-1 Test Jig
8922 or 8960
WIRELESS COMMVNCATIONS
TEST SET
TEST
JIG
DC
POWER
SUPPLY
RF JIG CABLE
TEST JIG CABLE
232 CABLE
C
ABC
GHI
JKL
DEF
MNO
PQRS
TUV
WXYZ
1-8
Exploded Views and Parts List
1-8 Wearable EAR Microphone
Wearable EAR Microphone
GH59-00168A
1-9 Data Kit
DATA KIT
GH39-00078A
Exploded Views and Parts List
1-9
1-10 Battery Charger
BATTERY CHAGER
GH44-00177A
PCB Diagrams
2-1
2. PCB Diagrams
2-1 Main Top
PCB Diagrams
2-2
2-1-1 Main RF Top
PCB Diagrams
2-3
2-1-2 Main Base Band Top
PCB Diagrams
2-4
2-2 Main Bottom
2-5
PCB Diagrams
2-2-1 Main RF Bottom
PCB Diagrams
2-6
2-2-2 Main Base Band Bottom
3-1
Electrical Parts List
3. Electrical Parts List
3-1 Main Parts List Top
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
SEC CODE
Reference
Part Description
Vendor Part No.
3-2
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
3-3
Electrical Parts List
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
3-4
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
3-5
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
3-2 Main Parts List Bottom
Electrical Parts List
3-6
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
3-7
Electrical Parts List
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
Electrical Parts List
3-8
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
4. Block Diagrams
4-1 Main Base Band
4-1
Block Diagrams
Batter
y
T
ype
Batter
y
V
olta
g
e
Batter
y
T
emperature
3VTXRX
XVCC
3VBRIGHT
R
TC_3V3 LDO
A
Vcc LDO
Vcc
LDO
Serial Data
Interface
I/O
Interface
A/D
Interface
A
GC,AFC
PLL
DC/DC
CONVER
TER
Char
ging
Cir
cuit
Li-Ion Batter
y
(Slim,
Standar
d
Long)
ONE C
VIBRA
T
O
R
SYSTEM CLOCK
(13MHz)
SRAM
FLASH1
FLASH2
EEPR
OM
R
TC_CLOCK
(32.768KHz)
KEY_BO
ARD
SIM CARD
SPEAKER
MIC
BB INTERF
A
C
E
RF INTERF
A
C
E
LCD
Block Diagrams
4-2
4-2 Main RF
IF SA
W
Filter
(225MHz)
LC
Filter
(45MHz)
Dual P
o
w
er AMP Module
SI4133-MLP28
(U612)
VCTCXO
13MHz
HD155128TF
IF VCO
1080MHz
925~960MHz
Ant.
S/W
VC1(GSM)
VC2(DCS)
LPF
LPF
Dip
.
TX
RX
VC3
Dual
SA
W
Filter
(U603)
1805~1880MHz
Rx
SA
W
filter
LNA
LNA
PLL1
PLL2
PGA
90
°
Shift
90MHz
90
°
Shift
DCS :
270MHz
GSM :
540MHz
I&Q
Mod.
GSM :
270MHz
DCS :
135MHz
Phase
Detector
Loop
filter
GSM :
270MHz
DCS :
135MHz
Baseband
Bloc
k
Dual Directional
Coupler
880~915MHz
(CH 62:902.4MHz)
1710~1785MHz
(CH 698:1747.2MHz)
Tx Dual
VCO
Mix
er 2
Ser
ial data
interf
ace
45MHz
270MHz
GSM :
1150~1185MHz
DCS :
1580~1655MHz
I
-I
Q
-Q
I&Q Demo
.
CLK
S
D
ATA
LE
bias circuit
Mix
er 1
RF VCO
Rx
SA
W
filter
540MHz
GSM :
1150~1185MHz
DCS :
1575~1650MHz
(CH 62 :
947.4MHz)
(CH 698 :
1842.2MHz)
CH 62 :
1172.4MHz
CH 698 :
1617.2MHz
I
-I
Q
-Q
U604
U606
U601
C617, L608
APC
Circuit
÷
2
÷
2
÷
6
÷
2
÷
2
4-3
Block Diagrams
4-2-1 RF Transmit Part
a
b
c
d
e
U305
HD155128TF
Antenna
S/W
U602
U108
VP40575
TXEN
RAMPD
A
C
BAND Selection
- GSM :
Lo
w
- DCS :
High
ITXP
ITXN
QTXP
QTXN
Loop
Filter
TX VCO
U610
Dual P
A
M
U312
APC Circuit
890
~
915
MHz
1710
~
1785
MHz
Coupler
15
3
1
3
7
5
U318
U318
8
8
13
7
2
540 MHz
PCN :
1575 ~ 1650 MHz (Tx)
GSM :
1150 ~ 1185 MHz
41
4
1
1
4
5
38
35
20
19
18
17
30
47
10
6
8
1
4
2
5
2
1
Ant.
S/W
Control
Circuit
3VTX
TXEN2
VC1
VC2
VC3
VC3
VC2
VC1
GSM(Tx)
DCS(Tx)
Rx
H
H
H
L
L
L
L
LL
11
SI4133-MLP28
U302
VCTCXO
13MHz
U303
IF VCO
1080MHz
PLL1
PLL2
RF VCO
AFCD
A
C
10
23
15
3
2
1
Block Diagrams
4-4
4-2-2 RF Receive Part
Frequenc
y = 947.067 MHz
P
o
wer = - 46 dBm
Dual
SA
W
Filter
U603
VP40575
U108
IRXP
IRXN
QRXP
QRXN
RXEN1
RXEN2
935 ~ 960 MHz
1805 ~ 1880 MHz
HD155128TF
U605
Antenna
S/W
U304
2
LNA
LNA
C300,
L310
U601
IF SA
W Filter
(225MHz)
Mix
er 2
PGA
I & Q
Demod.
Mix
er 1
Mix
er 1
LC Filter
(45MHz)
1/2
30
47
9
16
1
3
7
5
2
8
4,6
4,6
53,54
2,3
49,50
6,8
2,4
40,41
27
S
D
ATA
SCLK
SYNEN1
- 46dBm
@ 947.067 MHz
- 50dBm
@ 1842.467 MHz
-47dBm
-30dBm
-33dBm
-38dBm
-52dBm
-43dBm
-9dBm
@ 1172 MHz
-9.5dBm
@ 1617.4 MHz
GSM :
1150 ~ 1185 MHz
PCN :
1580 ~ 1655 MHz (Rx)
-8dBm @ 540 MHz
-24.4dBm (G)
-29dBm (D)
@ 224.933 MHz
-31dBm (G)
-35dBm (D)
-22dBm (G)
-25dBm (D)
@ 45.067 MHz
-50dBm (G)
-54dBm (D)
@ 67 kHz
26
25
24
33
32
44
43
RF
SA
W
Filter
F303
RF
SA
W
Filter
F302
4
2
6
10
SI4133-MLP28
U302
VCTCXO
13MHz
U303
IF VCO
1080MHz
PLL1
PLL2
RF VCO
AFCD
A
C
10
23
15
5. Flow chart of trouble shooting and Circuit Diagram
5-1 Power ON
5-1
Flow chart of trouble shooting and Circuit Diagram
'POWER ON'does not work
Charge the Battery
Check the Battery Voltage
is more than 3.2V
No
Yes
Yes
Check U116 and the path from +VBATT
to BAT101
The node
between D110 and BAT101 = 3V ?
No
Yes
U117 pin 1,4,10 > 3.2V
Check the circuit related to U117
No
END
U463 pin 1, 3 = "H"?
Check the circuit related to U463
No
Yes
Check the initial operation
U463 pin5, 7 = 2.9V ?
Check U463 and related circuit
No
Yes
Check for the clock signal at R301
Check the clock generation circuit
(related to U303 and U301)
No
Yes
Yes
5-2
Flow chart of trouble shooting and Circuit Diagram
One Point Contact
One Point Contact
1
2
6
5
3
4
8
7
R166
R168
C186
VIN
VO1
VO2
VO3
C713
GND
NO
PS1
PS2/3
L102
U463
C555
U111
1
3
2
C328
R157
R567
C708
C209
D107
1
2
3
4
5
C701
C208
C202
C211
C535
C700
C190
R161
ON/OFF
1
VIN
VOUT
5
U116
4
BYPASS
2
GND
3
C203
C746
R167
D108
AVCC
CLSEL
FB
1
8
GND
2
LBI
LX
9
OUT
10
REF
5
3
_LBO
_SHDN
6
U117
BATT
7
4
C699
VCC
BAT101
2
1
R164
DCIN
3.3V
RTC_VCC
RTC_3V3
BB_PWR
ON_OFF
RTC_3V3
DCVOLT
+VBATT
5-3
Flow chart of trouble shooting and Circuit Diagram
5-2 Initial
Initial Failure
Check and repair the important
signals of U108 as follows
END
No
U103 pin 4 = "H" ?
The node
between R162 and C183
= "H" (RST)
No
Check U112
R114 = "H" (BOOT)
No
Resolder R114
Yes
R673 = "H" (MSIZE)
No
Resolder R673
Yes
R165 = "L" (EXTPROC)
No
Resolder R165
Yes
Replace PBA
Check all the other connection
by Test S/W
Check the circuit around LCD
Check the circuit
around U107(EEPROM)
and data stored in it
Yes
5-4
Flow chart of trouble shooting and Circuit Diagram
U108
U645
U103
U109
VCC
VCC
R162
C183
R114
R673
R156
VCC
MSIZE
SIMPWDN_BOO
T
F_WP
F_WP
6
4
F_BE0
F_BE1
F_VCCW
SYSRST
GPIO3
GPIO4
DTR1
5-5
Flow chart of trouble shooting and Circuit Diagram
5-3 Charging Part
Abnormal charging part
Replace TA
Check the CN502 pin 17,18 5.2V ?
No
Yes
Yes
Check the U639 pin 3 5.2 V ?
Resolder C111, L632, C710
Yes
No
U639 pin 4 = "L" ?
Resolder R328
Yes
No
Resolder components around
U639
Check the U639 pin 5 4.2V ?
END
Yes
No
5-6
Flow chart of trouble shooting and Circuit Diagram
L:ON,H:OFF
R328
R671
C704
L632
5
VSENSE
U639
6
DRIVE
2
GND
1
ISENSE
4
PROG
3
VCC
C111
R320
C710
Q303
1
2
3
+VBATT
DCVOLT
BAT_VOLT
ICHRG
CHG_ON
5-7
Flow chart of trouble shooting and Circuit Diagram
5-4 Sim Part
U101 pin6 = 3 V ?
Resolder R103
END
Yes
No
Yes
Check the circuit around U107
(Serial EEPROM) and data stored in it
Yes
Phone can't access SIM card
Yes
U101 pin 5 = "H" ?
U101 pin 2, 3 = 3 V ?
Replace the PBA
Replace U101
Yes
No
No
CN102 pin 1, 5 = 3 V ?
Resoldering CN102
and check open connection
from U101 to CN102
No
After Power ON,
Check SIMCLK Signal on CN102 pin 3
in a few second
After SIM card insert,
CN102 pin 2 = "H(SIMRST) ?
Replace PBA
Replace the PBA
Yes
Yes
No
No
R699 = 2.9 V ?
Yes
No
Check the circuit related to U463
U463 pin1 = 3 V ?
Yes
No
Check the circuit related to
R421, R428, U649
5-8
Flow chart of trouble shooting and Circuit Diagram
C745
SIM_VCC
FDG6323L
5
ON/OFF
R1,C1
6
R2
1
2
V.C1-1
3 V.C1-2
VIN,R1
4
U101
C424
C104
C748
C423
R428
C107
R103
R421
C749
C3
3
4
C5
C6
5
6
C7
CN102
C1
1
2
C2
C750
VCC
R699
R698
C751
5
C1+
C1-
4
GND
2
61
3
MODE
VIN
VOUT
U649
SIMDATA
SIM_5V3V
SIMPWDN_BOOT
SIMRST
SIMCLK
SIMALIM
5-9
Flow chart of trouble shooting and Circuit Diagram
5-5 Microphone Part
Microphone does not work
Resolder CN503, pin 10, 11 and
ZD109, ZD112
Check
the connection
from CN503, pin 10, 11
U113, U115 pin 2 (AVCC) 2.9V?
Check the circuit
from U108 to U113, U115
Check the circuit related to Q102
END
Resolder the R174, R175, R176
R177, C187, C188 and C204
Yes
No
Yes
Yes
Yes
No
No
Check the Key PCB
Replace the Key PCB
Yes
No
5-10
Flow chart of trouble shooting and Circuit Diagram
CN503
10
11
ZD112
ZD109
U115
U113
A
VCC
A
VCC
U463
A
VCC
C188
C187
R177
R174
R176
R175
U108
5-11
Flow chart of trouble shooting and Circuit Diagram
5-6 Speaker Part
Speaker does not work
Resoler J101
J101 pin 2, 3 = short
Is Speaker working?
Replace the Speaker
END
No
J101 pin 2, 3, 6 = 1.5V?
No
Yes
Yes
Yes
CN 105 pin 22, 23 = 1.5V?
No
Yes
Check
the depression of
the SPK pins
No
Yes
Yes
No
Replace the PBA
Resolder CN105
Modify the SPK pins
5-12
Flow chart of trouble shooting and Circuit Diagram
5-7 Key Data Input
Check Initial operation
Replace the PBA
Are
the pin 19,20,21,22 and 23
of CN503 low?
When
one of the keys is pushed,
one of pin 19,20,21,22 and 23 of
CN503 is high ?
Key PCB is OK ?
Resolder pin 19,20,21,22 and 23
of CN503
END
Replace the Key PCB
Yes
No
Yes
Yes
Yes
No
No
5-13
Flow chart of trouble shooting and Circuit Diagram
5-8 Alert Tone
Abnormal Alert tone
ALERT by Test S/W
Is there alert wave form on the
R110 during alert tone test?
Is there alert wave form on the
Q102 pin 3 during alert tone test?
U116 pin 5 3.3V?
Check the circuit related to Q102
END
Check the circuit related to U116
Yes
No
Yes
Yes
No
No
Buzzer is ok?
Change the Buzzer
Yes
No
5-14
Flow chart of trouble shooting and Circuit Diagram
R110
R109
Q102
D104
C102
BUZ+
BUZ-
RTC 3V3(From U116 pin5)
3
2
1
From IC
5-15
Flow chart of trouble shooting and Circuit Diagram
5-9 Ring Indicator
Ring Indicator LED does not
work
GPO2 by Test S/W
Q101 pin 2 = "H"?
Q101 pin 3 = "L"?
CN503 pin 3 = "L"?
Replace Q101
END
Resolder CN503, LED
Yes
No
Yes
Yes
No
No
Key PCB is OK?
Replace the Key PCB
Yes
No
Flow chart of trouble shooting and Circuit Diagram
5-16
RI_LIGHT
R706
Q101
3
CN503
KPCB A'SSY
5-17
Flow chart of trouble shooting and Circuit Diagram
5-10 Back Light
Yes
END
Backlight does not work
Select backlight "ON" mode
Backlight "ON" mode
in the menu?
U108 pin J3 = "H" ?
GPO1 by test S/W
No
Yes
Yes
No
Check the
CN105 pin 17
Check the CN105 pin 17 = "H" ?
LCD backlight on ?
Replace EL sheet
No
Yes
No
LCD BACKLIGHT
KEY PCB LED
Resolder R141, R149
Q107 pin 1 = "H" ?
No
Yes
Resolder Q107
Q107 pin 3 = "L" ?
No
Yes
Yes
END
Key PCB LED on ?
Resolder CN503
or Replace Key PCB
No
Flow chart of trouble shooting and Circuit Diagram
5-18
5-11 GSM Receiver
U304
Pin 2
≥
-65 dBm
Check RF connector
-> resolder
No
Yes
U304
Pin 9
≥
-65 dBm
Resolder &
U304 Pin 9
≥
-65 dBm
Check
VC1 : L
VC2 : L
VC3 : H
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
U603
Pin 7
≥
-70 dBm
Yes
F303
Pin 2
≥
-60 dBm
Yes
U305
Pin 53, 54
≥
-60 dBm
Yes
U305
Pin 49, 50
(225 MHz)
≥
-50 dBm
Check
C301(CH+225MHz)
≥
-20 dBm
C315(1080MHz)
≥
-20 dBm
Yes
Yes
U305
Pin 43, 44
(45 MHz)
≥
-55 dBm
Yes
Yes
Check U305
Pin 32, 33
≥
2.5V
Pin 35
≥
0.5V
Yes
Rx On
RF input : CH center freq. + 67.7 kHz
Amp. : -50 dBm
U305
Pin 24, 25, 26, 27
≥
40 mV
Resolder
U603
Resolder
L613, L635, L639, C659
Resolder
F303, C333
L323, L324
Resolder
U601, C309, C310, C312
C313, C314, C400, R700
Resolder
OneC(U108), U305
Resolder
U305(Pin 35, Pin 32, 33)
Resolder
U108
Resolder
U302
5-19
Flow chart of trouble shooting and Circuit Diagram
5-12 GSM Transmit
Tx On (level : 5)
U304
Pin 2
≥
30 dBm
U304
Pin 7
≥
30 dBm
U312
Pin 1
≥
30 dBm
U312
Pin 1
≥
-10 dBm
U200
Pin 7
≥
0.5 V
Pin 5
≥
2.8 V
Pin 3 = 0.5~2.5 V
Resolder
J301
Check
VC1 : L
VC2 : H
VC3 : L
Change or Resolder
U304
Resolder
U318, C353
Resolder or Change
C698, R335, R364, R366
Resolder
U200, R343
U305
pin 30, 47
U107
≥
-10 dBm
Resolder
U305, U302
U305
Pin 17, 18, 19, 20
≥
40 mV
Resolder
OneC(U108)
Check U305
Pin 38
≥
2.5 V
Pin 35
≤
0.5 V
Resolder
U201 (Pin35, Pin38)
Resolder
U108
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Check
Ant. S/W, Control Circuit
Check
U312 : +VBATT
Pin 2 (APC)
OK?
Resolder or
Change U312
Yes
Check +VBATT
or APC Control
No
U200
Pin 6
≥
-10 dBm
Flow chart of trouble shooting and Circuit Diagram
5-20
5-13 DCS Receiver
U304
Pin 2
≥
-65 dBm
Check RF connector
-> resolder
No
Yes
U304
Pin 16
≥
-65 dBm
Resolder &
U304 Pin 16
≥
-65 dBm
Check
VC1 : L
VC2 : L
VC3 : H
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
U603
Pin 5
≥
-70 dBm
Yes
F302
Pin 2
≥
-60 dBm
Yes
U305
Pin 2, 3
≥
-60 dBm
Yes
U305
Pin 49, 50
(225 MHz)
≥
-50 dBm
Check
C301(CH-225MHz)
≥
-20 dBm
C315(1080MHz)
≥
-20 dBm
Yes
Yes
U305
Pin 43, 44
(45 MHz)
≥
-55 dBm
Yes
Yes
Check U305
Pin 32, 33
≥
2.5V
Pin 35
≥
2.5V
Yes
Rx On
RF input : CH center freq. + 67.7 kHz
Amp. : -50 dBm
U304
Pin 24, 25, 26, 27
≥
40 mV
Resolder
U603
Resolder
C627, C724, C725, L636
Resolder
F302, C335
L638, L637
Resolder
U601, C309, C310, C312
C313, C314, C400, R700
Resolder
OneC(U108), U305
Resolder
U305(Pin 35, Pin 32, 33)
Resolder
U108
Resolder
U302
5-21
Flow chart of trouble shooting and Circuit Diagram
5-14 DCS Transmit
Tx On (level : 0)
U304
Pin 2
≥
25 dBm
U304
Pin 13
≥
25 dBm
U318
Pin 3
≥
25 dBm
U312
Pin 8
≥
-10 dBm
U200
Pin 10
≥
-10 dBm
U200
Pin 7
≥
2.5 V
Pin 5
≥
2.5 V
Pin 3 = 0.5~2.5 V
Resolder
J301
Check
VC1 : L
VC2 : H
VC3 : L
Change or Resolder
U304
Resolder
U318, C364
Resolder or Change
C697, C346, R365, R363
Resolder
U200, R343
U305
pin 30, 47
U107
≥
-10 dBm
Resolder
U305, U302
U305
Pin 17, 18, 19, 20
≥
40 mV
Resolder
OneC(U108)
Check U305
Pin 38, Pin 35
≥
2.5 V
Resolder
U201 (Pin35, Pin38)
Resolder
U108
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Check
Ant. S/W, Control Circuit
Check
U312 : +VBATT
Pin 2 (APC)
OK?
Resolder or Change
U312
Yes
Check +VBATT
or APC Control
No
Flow chart of trouble shooting and Circuit Diagram
5-22
C308
100NF
L304
10nH
1.5K
R310
L301
2.2nH
C301
C315
560PF
C307
560PF
U303
GND
2
OUT
3
4
VCC
VT
1
1NF
L303
27nH
10
SCLK
26
SDAT
27
25
SENB
VDDD
17
VDDI
24
VDDR
11
XIN
15
8
NC
14
21
NC
13
PWDNB
RFLA
6
RFLB
5
RFLC
3
RFLD
2
RFOUT
4
GNDR
7
GNDR
9
28
GNDR
IFLA
19
IFLB
20
IFOUT
23
NC
1
NC
SI4133-MLP28
AUXOUT
12
29
GND
GNDD
16
18
GNDD
GNDI
22
GNDR
R311
U302
C304
100NF
0
C316
0
R302
C303
100NF
100NF
5.6NF
2
5
1
3
6
4
C305
1NF
U301
UMZ1N-TR
R301
C302
R304
1.5K
R303
R305
1K
1K
10NF
C306
R308
1K
C320
10NF
R313
1K
10NF
C319
10
R312
SYNEN1
IFLO
3VRF
RFLO
CLK13M
AFC
XVCC
SDATA
SCLK
5-23
Flow chart of trouble shooting and Circuit Diagram
(DCS)
(GSM)
Coilcraft
Film Cap
1%
Coilcraft
1%
2012
1%
1%
6.8K,1%
R341
R337 330
0
R343
C325
1NF
C724
10PF
L308
68nH
C339
27PF
C373
1NF
L323
22nH
R338
6.8K,1%
R370
22
0
R351
C333
100PF
51
470PF
C365
R314
100PF
C695
C312
0.5PF
C374
10NF
6PF
C310
R339
6.8K,1%
L619
NC
NC
L630
24
R325
10PF
1NF
C383
1NF
C358
C360
C338
4.7K
R700
1NF
L637
2.2nH
22
R369
C697
33PF
OUT1
OUT2
10
SW
7
VCC
5
VT
3
V0F1748C28KRDV0F1748C28KRD
U200
G1
12
G2
G3
89
G4
G5
11
12
G6
4
NC
6
1nH
L636
C309
6PF
R331
100
C400
4.7PF
C387
27PF
3
5
G3
IN
2
OUT1
4
6
OUT2
82nH
L310
18K,1%
F303
B4121
1
G1
G2
C300
R333
150PF
C329
NC
27NH
L316
C345
27PF
L635
15nH
NC
L322
NC
C311
100PF
C725
27PF
C322
NC
C356
42
VCCIF
45
VCCIFLO
29
VCCIQ
22
VCCMIX
51
VCCPLL/LNA
12
VCCRELO
48
VCOIN
11
17
QOUT
25
QOUTB
24
RESET
21
RFLOIN
47
SDATA
1
TESTOUT
37
VCCCOMP
14
VCCCTRL
43
NC
36
34
NC
PLLOUT
15
POONRX1
33
POONRX2
32
POONTX
38
QIN
18
QINB
55
3
MIX1DCSIN
MIX1DCSINB
2
MIX1GSMIN
53
MIX1GSMINB
54
MIX1OUT
49
MIX1OUTB
50
MIX2OUT
44
MIX2OUTB
31
IFIN
41
IFINB
40
IFLOIN
30
IIN
20
IINB
19
IOUT
27
IOUTB
26
LE
28
GNDIQ
23
GNDMIX
52
13
GNDPLL/LNA
GSMB
6
GSMC
4
GSME
5
ICURAD
16
IFDIVSEL
35
CLK
56
DCSB
10
DCSC
8
DCSE1
9
DCSE2
7
GNDCTRL
39
GNDIF
46
GNDIFLO
HD155128TF
U305
BAND
C403
100
R667
1.2NF
C330
1NF
R371
47
27PF
C392
22nH
L324
OUT2
47
R666
F302
B4133
1
G1
G2
3
5
G3
IN
2
OUT1
4
6
8.2PF
C379
L318
6.8nH
C321
10NF
1NF
C324
6.8K,1%
R340
C367
NC
C348
18PF
NC
L309
NFM39R12C471T1
F306
C349
1NF
2.2nH
L638
1NF
C362
R315
1K
C335
5.6pF
C627
47PF
12PF
C313
2.7nH
L613
1NF
C327
3
G2
5
G3
G4
7
IN1
6
8
IN2
2
OUT1
OUT2
4
MKFC225.000MBA701X-TC11
U601
1
G1
1NF
C326
G4
IN1
1
3
IN2
7
OUT1
OUT2
5
1K
R319
FAR-G6CH-1G8425-L218
U603
G1
24
G2
G3
68
C366
10NF
1UF
NC
L312
C391
C359
22NF
L306
82nH
82nH
L305
33PF
C698
27PF
C337
L639
2.7nH
C314
12PF
C378
8.2PF
GSMRX
DCSRX
1NF
C344
3VRF
DCSTX
GSMTX
ITXN
TXEN1
RXEN2
3VBANDSEL
3VTXEN1
SDATA
SCLK
AGC_EN
RXEN1
QTXP
QTXN
ITXP
3VRF
RFLO
IRXP
IRXN
QRXP
IFLO
QRXN
Flow chart of trouble shooting and Circuit Diagram
5-24
RXEN1
Tx(DCS)
1
L
H
(1%)
H
FDG6323L
4
H
L
Antenna S/W Control Circuit
6
5
VC1
VC2
L
RX
2
Tx(GSM)
L
3
L
L
0
R358
0
R357
6.3V
10UF
C756
D301
HSMS-2805-L31
1
2
3
4
R346
18
C323
820PF
2.7K
R362
NC
R695
100K
220UF
6.3V
R353
C404
C396
6.8PF
R365
18
R344
10K
R332
R347
10K
10K
51
R360
8.2PF
C747
R694
10K
L325
33nH
1608
C352
1.8NF
C353
22PF
C351
100PF
47PF
C334
1
3VTXEN2
680
R329
3
VDD1
VDD2
6
DTC114YE
Q301
2
3
G8
16
17
G9
8
PINDCS
1
PINGSM
5
POUTDCS
POUTGSM
4
VAPC
2
VCTL
7
9
G1
G10
18
G2
10
11
G3
G4
12
13
G5
G6
14
15
G7
V.C1-2
3
VIN,R1
4
PF08107B-TB
U312
U310
FDG6323L
ON/OFF
5
6
R1,C1
1
R2
V.C1-1
2
C361
56PF
0
R372
R366
15
NC
L633
C372
NC
3VTXEN2
1K,1%
R327
9
GSM_RX
7
GSM_TX
4
VC1
VC2
14
11
VC3
G
13
GG
56
GG
810
GG
12
15
G
SHS-L090DE
U304
ANT
2
DCS_RX
16
DCS_TX
13
F307
NFM39R12C471T1
3VTXEN2
10NF
C377
1.2K,1%
R322
C364
NC
C390
C394
27PF
2.7PF
MHC-175
3
GND1
GND2
4
5
GND3
GND4
6
1
IN
2
OUT
B1
2
B2
5
6
C1
C2
3
1
E1
E2
4
J301
BCR08PN
U309
27PF
C369
6
3
C2
E1
1
4
E2
120,5%
R330
U314
BCR08PN
2
B1
5
B2
C1
22K,1%
R326
R364
75
L311
33nH
33PF
C402
ANT2
560
R324
ANT1
6.8nH
L634
R679
NC
18nH
L302
1.8K,1%
R318
33nH
L314
6.8PF
C340
3.9K,1%
R361
8.2K,1%
R321
C406
220PF
IN
3
4
IN1
OUT
1
V+
5
V-
2
U306
LM7131ACM5
FL_OUT
2
GND1
GND2
6
4
TERM
510
R323
LDC15D140A0001
U318
COU_OUT
8
FH
3
5
FH_OUT
FL
1
7
R335
15
10NF
C382
5.6nH
L385
C357
1NF
R363
12K,1%
R368
62
3VTX
TXEN2
+VBATT
VC2
RXEN1
3VBANDSEL
GSMRX
DCSRX
3VTXEN2
VC1
GSMTX
DCSTX
VC1
TXPOWER
5-25
Flow chart of trouble shooting and Circuit Diagram
(SYNTH&BRIGHT)
2.9V,100mA
SW1,50mA
2.9V,100mA
LDO3
2
7
8
14
13
12
5
BAND SELECT
3
11
10
6
LDO1
LDO2
16
15
9
4
MM1448CWFE
SW2,80mA
1
2.9V,100mA
C549
10NF
10NF
10NF
C551
C550
VIN
VO1
1
9
VO2
16
VO3
VO4
12
14
VO5
C116
100NF
NS1
8
NS2
6
NS3
3
PS1
7
PS2
5
PS3
11
PS4
15
PS5
4
MM1448CYFE
U457
10
GND
13
NC
2
R587
0
R591
NC
C124
4.7uF
C106
100NF
C125
1UF
10UF/6.3V
C105
R678
10K
100NF
C705
2
3
1
2
3
1
DTB113ZK
U443
DTC114EE/TR
U445
C117
4.7uF
SYNEN
SYSCLKENA
BANDSEL
3.3V
3VTX
XVCC
TXEN1
3VRF
3VTXEN1
3VBANDSEL
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