Samsung GT-S5570 Galaxy Mini - Repair Diagram (1)
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8. Level 3 Repair 8-1.Block Diagram
8-1
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Level 3 Repair
8-2. PCB Diagrams (2010.12.22 Rev0.3) 8-2-1. Top
8-2
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Level 3 Repair
8-3. LOGIC 8-3-1. Power On Power switch on NG Check the current consumption >= 100mA?
NO
Download
Yes Check the battery voltage >= 3.45?
NO
Change the battery
NO
Check the PMIC related to PS_HOLD
Yes Check the TP_PS_ HOLD pin PS_HOL D = 2.6V? Yes Check the clock at OSC400 = 32KHz 32KHz ?
NO
Resolder OSC400
Yes
C440(VREG_MSMC1)=1.2V? C439(VREG_MSMC2)=1.2V? C438(VREG_MSME)=1.8V? C410(VREG_MSMP)=2.6V? C411(VREG_MSMA)=2.6V?
NO
Check the U615
Yes Check the clock C110 = 19.2Mhz ?
NO
Check the clock generation circuit
Yes Check the initial operation
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Level 3 Repair
R40 0
V _ B AT
V US B _ FET _ 5V C400
B A T400
V WL AN _ 1.8V VREG _ RFR X1 _ 2.7V V REG _ MSMP _ 2.6V
VT OU CH _ 3.0V
V RE G _ M SM A _ 2.6V
VL CD _ 3.0V
VC AM _ IO _ 2.8V
VRE G _ T CX O _ 2.85V
VC AM _ COR E _ 1.2V
K4
B1
A B D A B N D T T D S S I D T T V U U O V A A P B B C V B B V V
IN1 IN2
O UT1
IN3
O UT2
IN4
O UT3
IN5
O UT4
IN6
O UT5
IN7
O UT6
IN8
O UT7
IN9
O UT8
V _ B AT
D8
C 407
D7
IN A 1
O UT10
IN A 2
O UT11 NC
C 408
E AR _ L E AR _ R
VRE G _ MSMC1 _ 1.2V _ M
O UT9
C406
C8
C409
INB 1
O UT13
INB 2
O UT14
NC
O UT16
NC
O UT17
C7
E10
VR EG _ M SMC 2 _ 1.2V _ M
F10
E9
R403
TC XO _ EN VD D _ WL AN _ EN
B UCK 2
J8
E11
B11
CHG IN A
O UTP
AMP _ NOU T AMP _ POU T
C427
F9
E NO 4
RXI NP
E NO 7
TCX O IN
E NO 13
C6
C429
C430
A 9 A 10
C411
C425
C412
F2
TCX O O UT
X IN
FB 4
U615 HP L
C1N
HP R
R404
A 7
V REG _ MSM C2 _ 1.2V
E4
VR EG _ MS MC1 _ 1.2V
C4
A MUX _ OUT
R405
E AR SPK _ L U401
C439
NC
I2CCLK
VL
2
I2CD A T A
NC BI A S
MUX IN1
NC
E NB UCK 4
C432
G6
A MUX OU T
P WRO N
C433
B8
J1
S A FE US B
C1
LX1
_ IRQ
LX2
_ ONO
LX3
_ RES E T
LX4
TC XO _ E N
H4
VF
F6
JIG _ O N
R4112
E8
ON _ SW
D4
E6
E7
S ET1
NC
S ET2
NC
TE ST 3
NC
TE ST 4
NC NC
PM _ IN T _ N
F8 H7
A 1 NC
D3
D6
REF _ OU T
A 11 K1
PON _ RESE T _ N C435
C436
V USB _ OVP _ 5V
K11 1 2
ON K EY _ DE T
G9 H9
J IG _ ON PS _ H OL D
R409
F4
G8
HFPW R P WR HO LD
1
C431
D ETB A T
MUX IN3
K3
C44 0
3 E AR SPK _ R
G2
A 2
C418
D400
OSC 400
H6 G4
H3 D5
L400 L401 L402 L403 C 438
NC
MUX IN4
L X3 L X4
C434
C43 7
NC
MUX IN2 C5
VRE G _ MSME _ 1.8V
CLK 32K
E3
E5
V REG _ P A _ 2.1V
C417
K6
A 8
C1P NC
G7
C416
X O UT
FB 13
F7
PWR _ SCL PWR _ SD A
C415
K7 FB 3
J7 G5
C414
CLK 19.2M _ T CXO B U FF _ TC XO
R401
H5
SL EE P _ CL K
C413
D10
F3
C2
C410
B10
E NO 5
C3
R408
D11
CHG INB
F5
C428 R407
H1 B6
G10
O UT19
R XIN N D9
R406
B3
OU TN D1 D2
R402
B4
F11
H2
V WL AN _ 3.3V LX4 LX3 R410
B5
A 5 A 3
H11 O UT18 B UCK 1
VREG _ MSME _ 1.8V
J 11
K8 O UT15
J4
V REG _ P A _ 2.1V
VRE G _ VIB _ 3.3V
J6 K9 K10
H10
A 4
S PK _ L S PK _ R
REF B P
C443
REF OU T 1 2 3 D D D D D N D N N N N S G N G G G G S A G P P P P V
V 0 1
C441
C442
VRE G _ USB _ 3.3V _ A
J5
J9 G 11
V US B _ FE T _ 5V
VR EG _ TFL ASH _ 3.0 V
1 1 4 R
A 6
K2
V REG _ B T _ 2.6V VR EG _ USIM _ 3.0V
K5
J 10
VWL A N _ 3.3V
VC AM A _ 2.8V
1 2 1 1 1 3 7 E E 1 C G F G B
0 3 2 2 9 9 8 1 C H C J J B B
C444
PMIC
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U612
C420
C 421
C422
C 423
C 426
C424
Level 3 Repair
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Level 3 Repair
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Level 3 Repair
8-3-2. LCD Working
Power Switch On
LCD Display On?
LCD FPCB connector is co rrectly connecti ned?
NO
correctly connect NO
Yes F600, F601, F602, F603, F604, F605, Correctly mounted?
Yes
NO
F600, F601, F602, F603, F604, F605, Resolder
Yes
U620 LED_P_26V=26V?
Yes LCD Replace
NO Replace U503 & Check neighboring circuits
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Level 3 Repair
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Level 3 Repair
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Level 3 Repair
8-3-3. TSP
Operate TSP NG
Check TSP Connecting
NO
Reconnecting TSP
YES Change TSP Module
No Problem?
NO
Change main PBA
END
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Level 3 Repair
8-3-3. Audio Working
Speaker Working Operate speaker NG
Check Speaker Con. Soldering
NO
Resolder
YES
Speaker break down?
YES Change Speaker
NO
Signal on in L510, L511?
YES
Resolder L510,L511 SPK ASSY
NO
Signal on in C406, C407?
YES
Resolder C406, C407 Replace U500
NO Change main PBA
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Level 3 Repair
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Level 3 Repair
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Level 3 Repair
Receiver Working Operate Receiver NG
Check Receiver Connector
NO
Reconnect
YES
Receiver break down?
YES Change Receiver
NO
Change main PBA
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Level 3 Repair
Main
MIC Working
Operate MIC NG
Pollute MIC Hole?
YES
Clean up MIC hole
NO
Check C531 = High?
NO
Remove MIC, Check MIC 1st pin (MIC_BIAS_1.8V) = 1.8V ?
YES
NO
YES Change main PBA
Change MIC
Change MIC
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Level 3 Repair
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Level 3 Repair
Sub MIC Working
Operate MIC NG
Pollute MIC Hole?
YES
Clean up MIC hole
NO
Check C512 = High?
Change main PBA NO
YES
Change MIC
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Level 3 Repair
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Level 3 Repair
Stereo
Headset Working
Hands-free stereo headset NG
YES Button NG?
Check U508
NO
YES MIC NG?
NO
Check L501
Check U508 YES
NO
Resolder L501
YES SPK NG?
Signal on in C516, C517?
YES
Check L503, L504, EAR1
NO NO Signal on in C408 C409? The End
YES
Check R404, R405, U615
NO Change Main PBA
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Level 3 Repair
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Level 3 Repair
8-3-5. KEY Working
Volume KEY
Press Volume Key
NG
All key NG?
YES
Change Domesheet Change Key FPCB
NO
Change KeyPad
Any key NG?
Change Main PBA
NO
END
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Level 3 Repair
Sub Key
Press Power Key, Other Sub Key
Yes
Power (END) Key NG?
Pressing power key, V500 = High?
Yes
NO Change Domesheet
NO
Change Main PBA
Yes
Sub Key NG?
Change Domesheet Change Main PBA
NO
The End
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Check 8-3-1 Section
Level 3 Repair
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Level 3 Repair
8-3-6. Vibrator Working
Operate Vibrator
NO Check
NO Resolder Vibrator
Vibrator Soldering
Yes VREG_VIB_3.3V
No
Check PMIC (U615) Change Main PBA
(C500) = 3.3V ?
Yes
Change Main PBA
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Level 3 Repair
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Level 3 Repair
8-3-7. T-Flash Card Working
Insert & Operate microSD card
NG
CD600 break down ?
YES
Change CD600
NO
YES
12thPin of CD60 0 = High ?
Change CD600
NO
NO
4thPin of CD600 = 3.0V ?
Check U615(PMIC)
YES
Change Main PBA
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Level 3 Repair
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Level 3 Repair
8-3-8. SIM Card Working
Insert & Operate SIM card NG
NO
SIM Connector Break down?
Change SIM600
YES
No
U608 = 3.0V
Check U619
Yes
Yes Resolder U619 Check SIM600 & Neighboring Circuits
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Change U615(PMIC)
Level 3 Repair
VREG _ USIM _ 3.0V
2
S U619
G
UIM _ FET _ PWR _ CTL
1
3 D
SIM600 R605 1 2 3
SIM _ RST SIM _ CLK
U607
U605
1 2 3
6 6 5 5 4 4 G G G G 10 9 8 7
U608
SIM _ D A TA
U633
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Level 3 Repair
8-3-9 CAMERA Working Operate CAMERA
NG
Camera FPCB con nector is correctly connecting?
NO
correctly connect
Yes
C602 = 1.2V, C603 = 2.8V C604 = 2.8V
NO
Change U615(PMIC)
Yes
CAMERA Replace
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Level 3 Repair
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Level 3 Repair
8-4-1. GSM850 RX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Continuous Rx ON RF Input : 190 CH Amplitude : -50dBm Yes
No
Normal condition Catch the channel?
Check Antenna contact
Yes
No Check C117 = -55dBm ?
Replace PAM100
Yes
Resolder U101 or Change
Yes
The End
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Level 3 Repair
8-4-2. GSM900 RX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Continuous Rx ON RF Input : 62 CH Amplitude : -50dBm Yes
Normal Condition Catch the channel?
No Check Antenna Contact
Yes
No Check L102 >= -55 dBm?
Replace PAM100
Yes
Resolder U101 or Change
The End
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Level 3 Repair
8-4-3. DCS/PCS RX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Continous Rx ON RF Input : 698 CH Amplitude : -50dBm Yes
Normal Condition Catch the channel?
No
Check Antenna Contact
Yes
Check L106, L108 >= -55 dBm?
No Replace PAM100
Yes
Resolder U101 or Change
The End
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Level 3 Repair
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Level 3 Repair
8-4-4. WCDMA Band1 RX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Continous Rx ON RF Input : 10700CH Amplitude : -50dBm Yes
Normal Condition Catch the channel?
No Check Antenna Contact
Yes No Replace PAM100
Check L109 = -65 dBm?
Yes
No Check L112= -65 dBm?
Replace DUF100
Yes
Resolder U101 or Change
The End
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Level 3 Repair
8-4-5. WCDMA Band8 RX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor. CONTINUOUS RX ON
Continous Rx ON RF Input : 3013CH Amplitude : -50dBm
RF INPUT : 3013CH AMP : -50dBm
Yes
Normal Condition Catch the channel?
No
Check Antenna Contact
Yes
No Check C131 = -65 dBm?
Replace PAM100
Yes
No Replace DUF101
Check C135 = -65 dBm?
Yes
Resolder U101 or Change
The End
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Level 3 Repair
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Level 3 Repair
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Level 3 Repair
8-4-6. GSM850/900 TX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
CONTINOUS TX ON CONDITION TX POWER DAC:14500 CODE APPLIED GSM850 CH : 190 GSM900 CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB
Tx ON (Level :5) Battery voltage:3.8V
Yes
No Check The U101
Check U630 >= 13dBm?
Yes
No Replace PAM100
Check PAM100 PIN26 OUTPUT(RF CONN.) With HP8960 >= 33dBm?
Yes
The End
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Level 3 Repair
8-4-7. DCS/PCS TX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
CONTINOUS TX ON CONDITION TX POWER DAC:14500 CODE APPLIED DCS CH : 698 PCS CH : 661 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB
Tx ON (Level :5) Battery voltage:3.8V
Yes
Check U629 >= 11dBm?
No Check The U101
Yes
No Check PAM100 PIN26 OUTPUT(RF CONN.) With HP8960 >= 30dBm?
Replace PAM100
Yes
The End
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Level 3 Repair
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Level 3 Repair
8-4-8. WCDMA Band1 TX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor. CONTINOUS TX ON CONDITION TX POWER DAC:120 CODE APPLIED CH : 10700 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB
Tx ON Battery Voltage: 3.8V
Yes Check C144 = 8 dBm ?
No Check the U101
Yes No Replace F102
Check C125 = 5 dBm? Yes
Check C126 = 26 dBm?
No Replace PAM101
Yes No Check L109 = 24 dBm ?
Replace DUF100
Yes
Check PAM100 PIN26 OUTPUT(RF CONN.) With HP8960 >= 23dBm?
No Replace PAM100
Yes
The End
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Level 3 Repair
8-4-9. WCDMA Band8 TX **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor. CONTINOUS TX ON CONDITION TX POWER DAC:120 CODE APPLIED CH : 3013 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB
Tx ON Battery Voltage: 3.8V
Yes Check C145 = 8 dBm ?
No Check the U101
Yes No Check C137 = 26 dBm?
Replace PAM102
Yes
Check C131 = 24 dBm ?
No
Replace DUF101
Yes
No Check PAM100 PIN26 OUTPUT(RF CONN.) With HP8960 >= 23dBm?
Replace PAM100
Yes The End
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Level 3 Repair
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Level 3 Repair
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Level 3 Repair
8-4-10. BLUETOOTH
Bluetooth connection disable Yes No
Check BT function ON
Enable BT function
Yes Check the voltage of U201 is around 3. 0V
No
Check U201 and change
Yes No
Check 26KHz Clock on U202 (J1)
Check OSC200
Yes No
Check the assembled status of ANT200
Exchange ANT200
Yes No
Exchange
Check UCP300
Yes END
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Level 3 Repair
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Level 3 Repair
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Level 3 Repair
8-4-11. FM RADIO
Radio does not work Yes C200
No
2.6V
Check C200 and Check U615
Yes C216, 217 is OK? (When U201 operate)
No
Resolder C216,C217 and check U201
Yes Check signal related to U201 Yes END
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Level 3 Repair
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Level 3 Repair
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Level 3 Repair
8-4-12. GPS
Operate GPS
Yes
Check ANT201, C211
Abnormal Resolder ANT201, C211
Normal
GPS Signal Input: -50dBm @C211
Replace UCP300
Check C203 = High ? No Yes
Check R200 >= -53dBm?
No
Replace U200
Yes
The End
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Level 3 Repair
C502
R525
1 0 5 U
R201
R 5 0 1 C 5 0 3
0 0 2 U
C211
C203 R200
L202
C213 C206
L601
C210
HDC600 A N T 2 0 1
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Level 3 Repair
8-5. Service Schematics
- NC Point(Top View) : NC
UME300 1
2
3
4
5
6
7
9 10 11 12 13 14
8
A B C D E F G H J K L M N P
U401 1
2
3
4
5
6
7
8
9 10 11
A B C D E F G H J K
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