Samsung GT-I9105 TSHOO
Level
8.
Block Diagram
8-1.
BB
Repair
3
IF CON
EAR_SP K_R/ N_CON
JACK
PK CON
S
EAR
EAR_A DC
SPK_OUT_P
SPK_OUT_N
KEY
BAT CON
PER/HOLD/VOLUME
OWN
VF
JIG_ON
JIG_ON
BGND_1
BGND_2
ON_SW
VOL_UP
EAR_COM
VOL_D
USB_CHGDET
ID_BYPASS
EAR_SPK_L
EAR_SPK_R
USB_CHGDET
(MEMORY)
(POP)
XGC2 000
K3PE7E700M-
POP
FM_IN
MC2_DAT_[ 0 :7]
AUXMIC_IN
KLM8G1WE4A- A001
CLK32A
MC2_CLK
MC2_CMD
CLK32B
MC2_RST
ADCSYNC_N
PMU_BAT_RM
PMU_THERMAL_SHDN
BCM59056
HSLPI
SPKPI
HSLNI
SPKNI
HSRPI
CSRFBP
CSRFBM
PMU_T HERMAL _SHDN
HSRNI
PMU_SIM1_LDO_EN
PMU_SIM2_LDO_EN
RESET_N
PMU_INT
PMU_PC3
PMU_SCL
PMU_PC1
PMU_PC2
PMU_SDA
USB_DM
USB_DP
USB_ID
EMI FILTER
VT_CAM _D0_P /N _F
MUIC
VT_CA M_CLK_P /N _F
VT 2 M CA M
FALSH
DRIVER
IF_TXD
IF_RXD
AP_DP
AP_DM
JAC K_INT_N
MUIC_SCL_1. 8V
MUIC_SDA_1 .8V
37.6MHZ
EARSP K_EAR_LO W_DOC_H IGH
SDSR1FBP
SDSR1FBM
CAM_FLASH_EN
CAM_FLASH_MODE
CAM_MCLK
CAM_VT_nRST
VT_CA M_MC LK
CAM_VT_nSTBY
8M_CA M_CLK_P/ N_F
8M_CAM_D2/ 3_P/N_F
8M_CAM_D0/ 1_P/N_F
CAM_SCL_1.8V
CAM_SDA_1.8V
8M CAM
SPI_MISO
SPI_MOSI
ISP_RESET
AF_SD A_2. 8 V
AF_SCL_2.8V
CAM_SCL_1.8V
CAM_SDA_1.8V
VT_CA M_D0_P/ N _F
VT_CA M_CLK_P /N _F
LCD
LCD_ID
TSP_SCL
TSP_SDA
MCLD _RST
TSP_INT_2.8 V
SPI_SSN
SPI_SCLK
BCM28155
(MAIN CHIP)
RCV_P
AUX_MIC_P
AUX_MIC_N
AUX_MIC_N
MIC_OUT_N
SRI_EN
BT_I2S_CLK
BT_I2S_WS
BT_I2S_SD O
BT_PCM_DIN
BT_WAKE
BT_REG _ON
BT_PCM_CLK
BT_PCM_DOUT
BT_PC M_SYNC
WL_REG_ON
BT_HOSTWAKE
BT_UART_UTXD
BT_UART_URXD
WLBT_CLK_REQ
WLBK_CLK _REQ
BT_UART_URTS_N
BT_UART_UCTS_N
SRI_CLK
RF_SYS_CLK
RF_CLK _CX8
RF_SYS_CLKEN
RESET_N
SRI_DATA
2G_3G_RFST
TXDATA3G_0
RF_DATA3G_[0 :3]
RTXEN2G _TXDA TA3 G_2
RTXDATA2G_TXDA TA3G_1
AUXMIC_OUT
EAR MIC
3.5 PHI DETECT
26MHZ
BCM4330
(BT/ WIFI/ FM)
BCM2093IFBG
(TRANSCEIVER)
RCV_N
MIC_OUT_P
PS_ALS_INT
GEN_SCL_1.8V
GEN_SDA_1. 8V
MAIN MIC
RCV CON
GYRO_SC L_1. 8V
ACC_INT
GYRO_SD A_1. 8V
SENSOR_SCL_1.8 V
SENSOR_SDA_1. 8V
SENSOR
8-1
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
RF
8-2
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
PCB Diagrams
8-2.
8-2-1.
Top
Level3Repair
8-3
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-2-2.
Bottom
8-4
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Flow Chart of Troubleshooting
8-3.
Equipments
Level3Repair
Power Supply
Oscilloscope
Digital Multimeter
driver, ESD Safe Tweezer
+
8960 &
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Spectrum Analyzer
8-5
Soldering iron
Level3Repair
8-3-1.
Power On
Check the Battery Voltage
it more than
Is
Power-on the phone and check
the power-on sound
or motor vibration.
Sound or vibration is ok?
SW re-download and re-booting
Try to power on with anyway
jig. If booting is success with
anyway jig,check the PK
soldering crack, open, etc)
(
Yes
No
No
3.6
V?
500
.
No
Yes
If its voltage level is extremely low(under
Change the MEA FRONT-OCTA LCD ASSY
※
Charging the battery by TA.
Change the battery.
Change the PK
And retry to the power-on operation.
Test condition(Power supply
Power-key FPCB)
500(
4.0
V)
3.0
V),
Abnormal
Check the U400 output voltage
Yes
Check the U400 output signal
ON_SW(TP)
(
Check the Clock OSC400(TP401)
Is that frequency
check the initial operation
END
Yes
Yes
Yes
>2.8
32.768
V)
Khz?
No
No
No
If the output voltage is not satisfied with normal
condition, Change the U400.
Each voltage level has
※
If the output voltage is not satisfied with normal.
condition, Change the UCP300.
Each voltage level has
※
Change the OSC400.
If OSC400 does not still work, Change the U400
This problem is internal oscillator of U400.
Test condition(Oscilloscope setting)
※
us.div(time division)
:20.0
±
±
10%
10%
margin.
margin.
8-6
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-7
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-8
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-2.
Initial(Lock up)
Initial Failure(Lock up when booting)
Re-download SW the phone.
Check the AP Reset
AP_N_RST_IN(TP_RST_N)
Check the oscillator clock waveforms.
KHz:OSC400(TP401),
32.768
OSC400 is operating when
phone is not in sleep mode
Download success
V(High)
2.8
Yes
No
=
Abnormal
If Phone do not go download mode, boot code area
of Movinand MCP is damaged.
It need to change the UME300(Movinand MCP)
No
Check the OSC400.
Crack, open etc.)
(
Check the output clock waveforms and frequency.
Test condition(Oscilloscope setting)
※
:20.0
Check the TP_RST_N
us.div(time division)
@ 32.768
Khz
Normal
Change UCP300, U400
Abnormal
Change PBA
END
8-9
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-10
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-3.
Check menu setting
Menu→Apps→Settings→More settings
Mobile networks→Network mode→GSM/WCDMA(Auto mode)
No Service
Menu→Phone→Keypad
*#1234#
Check RFS100 is well soldered
No service
Yes
check Phone version
→
CP:I9105PXX or
CP:unknown
CP:unknown
→
CP:I9105PXX
→
→
No
Check the connection of RF coaxial cable
QCB01@page2
(
Resolder or Change RFS100
)
Yes
Check RFS101, L102 and C106
is well soldered
Abnormal
Change the Main Antenna
Abnormal
Change the board
Yes
END
No
Resolder or Change RFS101, L102 and C106
8-11
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-12
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-4.
Sim Part
Insert SIM card
Yes
Check the Pin Soldering
of SIM300
Yes
Check the SIM Voltage.
R352)
(
>= 1.8or3.0?
Yes
END
No
No
Resoldering and recheck
Change to the new SIM card.
If it doesn`t still work SIM card after changeing
the SIM card, Check the UCP300(Crack etc)
8-13
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-5.
Charging Part
TA/USB Insert
Charging Sequence Start
Check the SUB PCB Module
Battery is Charging?
Vin
Yes
=5V
Yes
Yes
Yes
No
No
No
Check TP_CHGDET=5V,
or may not connected TA/USB
Change the SUB PCB Module
Resolder or Replace U403
END
8-14
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-6.
Microphone Part(Main MIC)
Check main microphone function
in voice call receiver mode
or in Voice Recording mode
Yes
Check Sub-PCB module
where main MIC is placed
for any damage(Tear in FPC,
Check component soldering
etc)
Yes
statuses of U505
No
No
Change the Sub-PCB module
Resolder or replace U505
END
Yes
8-15
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-6-1.
Microphone Part(Sub MIC)
Check Sub microphone function
in voice call loudSPK mode
or in camcording mode
Yes
Check RCV-Earjack module
where Sub MIC is placed
for any damage(Tear in FPC,
Check the voltage at
C508
etc)
Yes
=2.1V
No
No
Replace the RCV-Earjack module
Resolder or replace U505
Yes
Check component soldering
statuses of C510, C511
Yes
END
No
Resolder or replace C510, C511
8-16
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-17
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-7.
Speaker Part
Play MP3 with maximum volume level.
Check speaker function.
Yes
Check the connection of
HDC604
Yes
Check the signals on
ZD600, ZD601
Yes
No
Reconnect HDC604
No
Resolder or replace U400
Replace the speaker
module
Yes
END
8-18
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-19
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-7.
Receiver Part
in voice call receiver mode.
module where RCV's placed
for any damage(Tear in
L500,L504,R503,R505,R509,
Check receiver function
Yes
Check the connection of
HDC500
Yes
Check RCV-Earjack
FPC, etc)
Yes
Check the signals on
R508,C501,C502
No
Reconnect HDC500
No
Replace the RCV-Earjack module
No
Resolder or replace U404
END
Yes
8-20
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-21
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-8.
BT/WIFI
Check the Voltage on C224
Check26MHz Clock at C168
BT/WiFi is not working
Yes
Check BT or WiFi function
ON
Yes
1.8V
Yes
Yes
No
=
No
Check the U400(crack, open, damaged, etc.)
No
Enable BT or WiFi Function
Check the OSC100(crack, open, etc.)
Check the Status of
C255, ANT201
Yes
Resolder or Replace U201
Yes
END
No
Resolder or Replace C255, ANT201
8-22
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-23
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-24
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-25
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Loading...