Samsung GT-E2100B User manual

GSM TELEPHONE
GSM TELEPHONE CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts List
6. Main Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Flow Chart of Troubleshooting
10. Reference data
11. Disassembly and Assembly
instructions
efrcom efrcom
GT-E2100B

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9. Flow Chart of Troubleshooting
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9-1
9-1. Power On
No
NotOK
Not OK
Not OK
Not OK
Check VPERM_3.0V,
VANA_2.85V, VRF_2.85V,
VSIM_3.0V, VMEM_1.8V,
VGPIO_2.8V of UCP200 Check the UCP200
END
OK
Check the pin 1of
OSC201 produces clock
signal Solder OSC201 again
OK
Check the R113
concerning about Jig
Power on Solder R113 again
OK
Is Power On working?
OK
Repeat sequence
Yes
Change battery
Check battery voltage
is higher than 3.3V
Yes
'POWER ON' does not work

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Flow Chart of Troubleshooting
9-2
L201
BLM15AG121SN1 D
4
1
OSC201
MC-146(32.768KHz,20ppm )
2
3
UART1_RD W5
UART1_RTS W6
ICHGN W8
ICHGP W9
PMU_VRF W13
PMU_VANA W14
PMU_VIO W15
UART1_CTS V7
POK_OUT V8
ACC_DET_IN V9
PMU_VPERM W12
UART1_TD V5
SSI_OUT U2
PMU_VSIM V14
PMU_VMEM V15
PWM_OUT1 T5
PWM_OUT2 T6
PWM_OUT0 T7
POK_IN T8
SSI_DATA U1
SSI_SEL2 T2
SSI_CLK T1
SSI_SEL0 R1
UART0_RD L18
XTAL_32K_ 1 L19
UART0_TD K18
XTAL_32K_2 K19
PCM_CLK J19
SSI_SEL1 J2
PCM_SYNC J18
SIM_DATA H18
SIM_CLK H19
PCM_DI H15
PCM_DO H16
SIM_RST G16
RFIL_N G1
RFIL_P F1
RFID_N E1
RFID_P D1
XTAL_SHLD B6
XTAL_SHLD B7
XTAL_SHLD B8
RFIP_N C1
XTAL_SHLD B5
RFIP_P B1
NCS1 B12
RFOL A2
XTAL_SHLD A5
XTAL_26M_2 A6
XTAL_26M_1 A7
XTAL_SHLD A8
NCS2 A11
NCS0
UCP200
PNX4902ET
RFOH A1
3
1
SQ3D02600C2LJA
OSC200
2
4
VMEM_1.8V
UART1_CTS
ONKEY_1
AUX_DET
VPERM_3.0V
VRF_2.85V
VANA_2.85V
VGPIO_2.8V
UART1_RD
UART1_RTS
ICHGN
ICHGP
BUS_ENABL E
R_INT
ONKEY_2
LCD_BL_EN
VSIM_3.0V
UART1_TD
DCSRX_N
EGSMRX_P
EGSMRX_N
SIM_RST
DU
DD
SIM_DATA
SIM_CLK
FSC
DCL
UART0_RD
UART0_TD
DCS_TX
NCSRAM
NC_BACKEND
EGSM_TX
NCSFLASH
DCSRX_P
L117
1
2
3
4
5
6
ZD102
VCHG_5V
L109
C144 C146
L112
VBAT
L110
R115
R112
26
NC 27
7
8
8
99
NC 21
22
NC 23
NC
NC 24
25
NC
NC
18
19
19
2
2
20 20
33
4
4
55
6
6
7
11
11
12 12
13
13
14 14
15
15
16 16
17
17
18
IFC100
HY20-AB0310
11
10
10
C145
R1131
L111
R111
L114
C143
C147
F
R119
3
4
5
6
ZD101
1
2
R114
EAR_SW
JIG_ON
EAR_N
EAR_P
UART1RD
EAR_MIC_N_IF
UART1TD
UART0_RD
AUX_DET
VCM_OUT
R_ANT
UART1_TD_IF
UART1_RD_IF
JIG_ON_IF
UART0_TD

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-3
C131
C133
C134 C137
C138
C139
C144C145
C147
C149
C150
C151
C202
C212
C213
C230 C233
C236
C300
C301
C302
C303
C304
C305
C306
C307
C308 C309
C310 C311 C312
C315
C326
C338
C339
C344
C345
C346
C347
D300
L120
L121
L124
L300
L301
L304
OSC201
R107
R108
R109
R110
R111 R112 R113
R114 R115
R119
R200
R217
R219
R301
R303
R304
R305
R313
R314
R316
SIM200
TA101
TP200
TP201
TP300
TP301
TP304
U300
U301
UME200

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Flow Chart of Troubleshooting
9-4
9-2. SIM Part
"Insert SIM" is displayed on the LCD
VSIM_3.0V at the pin#1
SIM200 = "H"?
No Check the SIM Power
Yes
Is there any signal pin
#2,3,4 of SIM200? Check UCP200
No
Yes
Check the SIM Card
END

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Flow Chart of Troubleshooting
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9-5
VSIM_3.0V
R219
C233 88 99 G
1314
GG
1516
G
C230 11 11
1212
2
34
5
6
7
7
5000-6P-1.9S
SIM200
1
1010
SIM_RST
SIM_CLK
SIM_DATA
C212
C213
C300
C301
C303
C304
C305
L301
L304
R217
R305
SIM200
TP301
TP304
U300
U301

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Flow Chart of Troubleshooting
9-6
9-3. Microphone Part -Phone MIC
Phone MIC does not work
Yes
Not OK
Check the connection
of MIC Solder MIC again
Yes
Replace MIC
OK
Is Phone MIC working?
OK
Solder L120, L121, L124, R108, R110,
C133, C139 and TA101 again
Check the components
which are connected to
MIC_BIAS
Solder L122, L123, D100 and D101
again.
Check the circuit
of MIC PART
END
Not OK
Not OK
No
OK

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Flow Chart of Troubleshooting
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9-7
MAIN_MIC
L120
MIC_PAD
11
2
2
C132R108
C135
D100
C137
C142
L124
L121
C141
TA101
D101
C133
L122
L123
C139
R110
MIC_BIAS
C130
MIC_P
MIC_N
BAT200
C129
C131
C132
C133
C134 C137
C138
C139
C140
C141
C149
C150
C151
C202
C216
C217
C218
C219
C228
C232
C234
L120
L121
L124
OSC201
R107
R108
R109
R110
R119
R200
R201
R210
TA101
TP_GND
TP201
TP208

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Flow Chart of Troubleshooting
9-8
9-4. Microphone Part -Earphone MIC
Earphone MIC does not work
Yes
Not OK
Check the connection
of IFC100 Solder pin 3of IFC100 again
Solder L109, L110 and R220 again
Check the circuit
of EAR MIC
OK
Solder L120, L121, L124, R108, R110,
C133, C139 and TA101 again
Check MIC_BIAS.
(When UCP200 operates
and call is connected )
OK
END
Not OK
Is Earphone MIC working? Repeat the sequence
Yes
No
OK
Not OK

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-9
L117
1
2
3
4
5
6
ZD102
VCHG_5V
L109
C144 C146
L112
VBAT
L110
R115
R112
26
NC 27
7
8
8
99
NC 21
22
NC 23
NC
NC 24
25
NC
NC
18
19
19
2
2
20 20
33
4
4
55
6
6
7
11
11
12 12
13
13
14 14
15
15
16 16
17
17
18
IFC100
HY20-AB0310
11
10
10
C145
R1131
L111
R111
L114
C143
C147
R119
3
4
5
6
ZD101
1
2
R114
EAR_SW
JIG_ON
EAR_N
EAR_P
UART1RD
EAR_MIC_N_IF
UART1TD
UART0_RD
AUX_DET
VCM_OUT
R_ANT
UART1_TD_IF
UART1_RD_IF
JIG_ON_IF
UART0_TD
MAIN_MIC
L120
MIC_PAD
11
2
2
C132R108
C135
D100
C137
C142
L124
L121
C141
TA101
D101
C133
L122
L123
C139
R110
MIC_BIAS
C130
MIC_P
MIC_N

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Flow Chart of Troubleshooting
9-10
BAT200
C100
C101
C105
C107
C117
C129
C131
C132
C133
C134 C137
C138
C139
C140
C141
C143
C144C145
C146
C149
C150
C151
C202
C212
C213
C216
C217
C218
C219
C228
C230
C232
C233
C234
C235
C236
C300
C301
C302
C303
C304
C305
C306
C307
C308 C309
C310 C311 C312
C313
C314
C315
C318
C319
C320
C321
C322
C323
C324
C325 C326
C327
C329
C330
C336
C337
C338
C339
C340
C341
C342
C343
C344
C345
C346
C347
C349
C350
C351
C352
C353
C354
C355
C356
D300
L109
L110
L111
L112
L114
L120
L121
L124
L300
L301
L302
L304
OSC201
R101
R102
R103
R107
R108
R109
R110
R111 R112 R113
R114 R115
R119
R200
R201
R217
R219
R301
R303
R304
R305
R313
R314
R316
SIM200
SLC300
TA101
TP_GND
TP200
TP201
TP208
TP211
TP300
TP301
TP303
TP304
U100
U102
U300
U301
U303
U304
U306
UME200
ZD101
ZD102

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Flow Chart of Troubleshooting
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9-11
9-5. Earphone Part
Earphone does not work
Yes
Not OK Solder pin 5,6,7 of IFC100
,L111, L112 and L117 again
Check the circuit
of IFC100
OK
Check the UCP200
Pin R19, T19, P19 Solder UCP200 or replace UCP200
Not OK
END
Yes

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Flow Chart of Troubleshooting
9-12
R209
C228
EAR_OUT_N|R
W16
EAR_OUT_P|L
W17
HSET_OUT_N
W18
HSET_OUT_P
W19
INTMIC_IN_P
V19
EXTMIC_BIAS
U18
INTMIC_IN_N
U19 INTMIC_BIAS
T18
EXTMIC_IN_P
T19
AUXAUD_IN_R
R18
EXTMIC_IN_N
R19
HKSW_DET1
P19
HKSW_DET2
N19
KEYIN0
K1
R210
KEYIN(0)
FM_R
MIC_BIAS
EAR_MIC_N
EAR_MIC_P
MIC_N
MIC_P
SPK_P
EAR_SW_REF
EAR_SW
EAR_N
EAR_P
SPK_N
L117
1
2
3
4
5
6
ZD102
VCHG_5V
L109
C144 C146
L112
VBAT
L110
R115
R112
26
NC 27
7
8
8
99
NC 21
22
NC 23
NC
NC 24
25
NC
NC
18
19
19
2
2
20 20
33
4
4
55
6
6
7
11
11
12 12
13
13
14 14
15
15
16 16
17
17
18
IFC100
HY20-AB0310
11
10
10
C145
R1131
L111
R111
L114
C143
C147
R119
3
4
5
6
ZD101
1
2
R114
EAR_SW
JIG_ON
EAR_N
EAR_P
UART1RD
EAR_MIC_N_IF
UART1TD
UART0_RD
AUX_DET
VCM_OUT
R_ANT
UART1_TD_IF
UART1_RD_IF
JIG_ON_IF
UART0_TD

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Flow Chart of Troubleshooting
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9-13
9-6. Charging Part
Abnormal charging operation
Yes
Not OK
Check the U201
Pin #20 = 5V? Replace U201
OK
OK
END
Check the TA connection.
Check the C220, C221
and R204 Solder C220, C221 and R204.
Not OK

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Flow Chart of Troubleshooting
9-14
C220 F
VBAT
27
OUT 1
8S1 10
S2
NC
12 NC
16 NC
NC
17
NC
21
22 NC
NC
25 26
NC
NC
13
24
D2
18
EN
FLAG 15
G1
31 4
G2
GND 19
20 IN
2
4D1
D1
5
6D1
D1
7
D1
23
D2 9
D2 11
D2
U201
SUS6160MNTBG
R204
C221
VCHG_5V
C222
CHG_REG
CHG_SW
ICHGN
ICHGP
VCHG_P

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Flow Chart of Troubleshooting
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9-15
9-7. Speaker Part
Speaker does not work
Yes
Not OK Solder R210, L115, L116, D104 and
D105 again
OK
Replace HDC300
Check the Pin #3, #5 of
HDC300
OK
END
Not OK
Solder UCP200 again or replace
UCP200
Not OK
Check Pin W18, W19 of
UCP200
Check R210, L115, L116,
D104 and D105
OK
Not OK
Replace the speaker

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Flow Chart of Troubleshooting
9-16
B_D- 3
B_GND
B_HP/PWR
B_V_BATT B_V_BUS 1
A_GND
A_HP|PWR
A_V_BATT A_V_BUS 9
B_ANT 7
2
B_D+
4
4
55
6
6
10
A_D+
A_GND
8
JTAG201
HSET_OUT_N
W18
HSET_OUT_P
W19
HKSW_DET1
P19
HKSW_DET2
N19
KEYOUT3
N2 KEYOUT2
N1 KEYOUT1
M2
KEYIO2
L4
KEYOUT0
M1
KEYIO1
L2
KEYIN1
K2
KEYIN2
K4
KEYIO0
L1
KEYIN0
K1
FE_CTRL0
J15
R210
UART1_CTS_B
UART1_RTS_B
JIG_ON_B
KEYOUT(3)
KEYOUT(2)
KEYOUT(1)
KEYOUT(0)
KEYIN(2)
KEYIN(1)
KEYIN(0)
KEYIO(2)
KEYIO(1)
KEYIO(0)
GND_A
BAND_SEL
EAR_MIC_P
SPK_P
KEYOUT(0:3)
KEYIN(0:2)
KEYIO(0:2)
EAR_SW_REF
EAR_SW
SPK_N
SPEAKER
D105
L115
L116
SPEAKER_PAD
D104
SPK_P
SPK_N

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Flow Chart of Troubleshooting
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9-17
C108
C117
C143
D104
D105
IFC100
L102
L105
L110
L111
L112
L115
L116
L117
R101
SPEAKER_PAD
U102
C129
C132
C140
C141
C200
C204
C205
C206
C207
C208
C209
C210
C211
C228
C231
L107L108
L201
L202
R209
R210
R218
TA101
TP_GND
TP214
UCP200

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Flow Chart of Troubleshooting
9-18
9-8. Key Data Input
When one of the keys is
pushed,
is it displayed on LCD? Check the Dome sheet &Key FPCB
END
No
Yes
Yes
Check Initial Operation
When one of the keys is
pushed,
KEY_IO signal is OK? Replace the PBA
No
Yes

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Flow Chart of Troubleshooting
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9-19
9-9. Back Light (for Color Main LCD)
Is BACKLIGHT set AlwaysON
in the Menu? Set BACKLIGHT on Always ON
END
No
Yes
Yes
Backlight does not work
Check the outflow voltage of
U301(PIN 7) is equal to 3.7V Replace U301
Not OK
OK
Yes
Replace the LCD Module