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8. Level 3 Repair
8-1
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8-1.Block Diagram
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Level 3 Repair
8-2
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8-2. PCB Diagrams (2010.12.22 Rev0.3)8-2-1. Top
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Level 3 Repair
8-3
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8-3. LOGIC
8-3-1. Power On
Power switch on
NG
Check the currentconsumption>= 100mA?
DownloadNO
Check the U615
Check the clockC110 = 19.2Mhz ?
Check the initial operation
Check the clock generation circuit
Resolder OSC400
Check the PMICrelated to PS_HOLD
Change the battery
Yes
Yes
Yes
Yes
NO
NOC440(VREG_MSMC1)=1.2V?C439(VREG_MSMC2)=1.2V?C438(VREG_MSME)=1.8V?C410(VREG_MSMP)=2.6V?C411(VREG_MSMA)=2.6V?
Yes
NOCheck the clock atOSC400 = 32KHz ?
NOCheck the TP_PS_HOLD pin PS_HOL
D = 2.6V?
NOCheck the batteryvoltage
>= 3.45?
Yes
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Level 3 Repair
8-4
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CIMP
604C
504R
804C
TAB_V
704C
904C
114R
524C
V7.2_1XRFR_GERV
2K6NI
3K1XL
4K1NI
5K2NI
6KTUOX
7KNIX
8K41TUO
9K3TUO
5J1TUO
6J2TUO
7JK23KLC
8J51TUO
9J7NI
1KCN
01K4TUO
11KCN
8H
DN
G
9HTUOFER
1J2XL
01J5NI
11J5TUO
2J
2D
NG
P
3J
1D
NG
P
4J1KCUB
01H6TUO
11H71TUO
2H2KCUB
3HDLOHRWP
4HTABTED
5HCN
6HCN
7HTESER_
3G
NIO
CV
4GCN
5GCN
6GCN
7GATADC2I
8G4KCUBNE
9GPBFER
1HCN
6FRWPFH
7FKLCC2I
8FONO_
9F7ONE
1G
AS
UB
V
01G61TUO
11G8NI
2GBSUEFAS
9E5ONE
1F
BS
UB
V
01FCN
11F91TUO
2FNIOXCT
3FTUOOXCT
4FCN
5F31ONE
11E81TUO
2E
BT
TA
B
3ELV
4E2NIXUM
5E1NIXUM
6E4TSET
7EQRI_
8ENORWP
4D2TES
5DTUOXUMA
6D3TSET
7D2ANI
8D1ANI
9D4ONE
1E
AT
TA
B
01ECN
7C2BNI
8C1BNI
9C
DN
GA
1DANIGHC
01DPNIXR
11DPTUO
2DBNIGHC
3D1TES
1C4XL
01
CD
NG
P1
1C
DD
VP
2C4BF
3C3BF
4C4NIXUM
5C3NIXUM
6C31BF
2B
3D
NG
P
3B9TUO
4B8TUO
5B7TUO
6B31TUO
7B
DD
V
8BSAIB
9B
SS
V
5A01TUO
6A4NI
7ARPH
8ALPH
9AN1C
1B3NI
01BNNIXR
11BNTUO
1CN
2CN
1ACN
01AP1C
11ACN
2A3XL
3A11TUO
4A9NI
2114R
516U
216U
104U
V8.1_NALWV
V3.3_BIV_GERV
TAB_V
904R
1
2
V0.3_DCLV
V3.3_NALWV
A_V3.3_BSU_GERV
V3.3_NALWV
004D
3
624C214C
V0.3_HCUOTV
V5_TEF_BSUV
004TAB
314C
334C
004R
234C
004C
434C
444C
824C
344C
V5_PVO_BSUV
V5_TEF_BSUV
014R
634C
034C
534C
134C
834C
V1.2_AP_GERV
V8.1_EMSM_GERV
734C
204L304L
V1.2_AP_GERV
V8.1_EMSM_GERV
724C
604R 704R
304R
804R
204R
924C
TUO_FER
M_V2.1_1CMSM_GERV
M_V2.1_2CMSM_GERV
V01
144C 244C
934C 044C
004L
V2.1_1CMSM_GERV
V2.1_2CMSM_GERV
104L
424C324C224C024C814C714C514C 614C414C 124C114C014C
004CSO
104R
V8.2_AMACV
V0.3_MISU_GERV
V6.2_TB_GERV V0.3_HSALFT_GERV
V6.2_PMSM_GERV
V6.2_AMSM_GERV
V2.1_EROC_MACV
V58.2_OXCT_GERV
V8.2_OI_MACV
404R
3XL4XL
NO_GIJ
DLOH_SPKLC_PEELS
L_KPS
L_RAER_RAE
R_KPS
R_KPSRAE
L_KPSRAE
OXCT_FFUBNE_OXCT
ADS_RWP
FV
N_TESER_NOP
TUOP_PMA
NE_OXCT
TUO_XUMA
N_TNI_MP
WS_NO
OXCT_M2.91KLCNE_NALW_DDV
NO_GIJ
LCS_RWP
TED_YEKNO
3XL
TUON_PMA
4XL
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Level 3 Repair
8-5
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Level 3 Repair
8-6
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Level 3 Repair
8-7
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8-3-2. LCD Working
Power Switch On
LCD FPCBconnector is correctly connecti
ned?
Replace U503 & Checkneighboring circuits
Yes
NOYes
LCDReplace
U620LED_P_26V=26V?
F600, F601, F602,F603, F604, F605,
ResolderF600, F601,F602, F603,F604, F605,
Correctlymounted?
NO
correctly connect
NOLCD Display
On?
Yes
Yes
NO
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Level 3 Repair
8-8
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Level 3 Repair
8-9
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Level 3 Repair
8-10
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8-3-3. TSP
Operate TSP
NG
CheckTSP Connecting Reconnecting TSP
NO
YES
Change TSP Module
No Problem? Change main PBANO
END
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Level 3 Repair
8-11
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8-3-3. Audio Working
Speaker Working
Operate speaker
NG
CheckSpeaker Con.
SolderingResolder
NO
YES
Speaker breakdown?
YESChange Speaker
NO
Signal on inL510, L511?
ResolderL510,L511SPK ASSY
YES
NO
Signal on inC406, C407?
ResolderC406, C407
Replace U500
YES
NO
Change main PBA
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Level 3 Repair
8-12
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Level 3 Repair
8-13
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Level 3 Repair
8-14
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Level 3 Repair
8-15
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Receiver Working
Operate Receiver
NG
CheckReceiver
ConnectorReconnect
NO
YES
Receiver breakdown?
YESChange Receiver
NO
Change main PBA
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Level 3 Repair
8-16
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Main MIC Working
Operate MIC
NG
PolluteMIC Hole?
YESClean upMIC hole
NO
Remove MIC,Check MIC 1st pin(MIC_BIAS_1.8V)
= 1.8V ?
CheckC531 = High?
NO
NO
Change main PBA
YES YES
Change MIC Change MIC
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Level 3 Repair
8-17
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Level 3 Repair
8-18
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Sub MIC Working
Operate MIC
NG
PolluteMIC Hole?
YESClean upMIC hole
NO
CheckC512 = High?
NOChange main PBA
YES
Change MIC
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Level 3 Repair
8-19
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Level 3 Repair
8-20
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Stereo Headset Working
Hands-free stereoheadset
NG
YESCheck U508Button NG?
NO
CheckL501MIC NG?
NOYESCheck U508
YES
Resolder L501NO
Signal onin C516,C517?
SPK NG? Check L503, L504,EAR1
YESYES
NO
NO
Signal onin C408C409?
YESCheck R404, R405,
U615
The EndNO
Change Main PBA
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Level 3 Repair
8-21
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Level 3 Repair
8-22
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Level 3 Repair
8-23
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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
END
NO
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Level 3 Repair
8-24
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Sub Key
Press Power Key,Other Sub Key
Power (END)Key NG?
YesPressing
power key,V500 = High?
YesCheck 8-3-1 Section
NO
Change Domesheet
Change Main PBA
NO
Sub KeyNG?
Change Domesheet
Change Main PBA
Yes
NO
The End
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Level 3 Repair
8-25
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Level 3 Repair
8-26
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8-3-6. Vibrator Working
Operate Vibrator
NO
Check
Vibrator SolderingResolder Vibrator
NO
Yes
VREG_VIB_3.3V
(C500) = 3.3V ?
Check PMIC (U615)
Change Main PBA
No
Yes
Change Main PBA
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Level 3 Repair
8-27
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Level 3 Repair
8-28
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8-3-7. T-Flash Card Working
Insert & OperatemicroSD card
NG
YESCD600break down ? Change CD600
NO
YESChange CD60012thPin of CD60
0= High ?
NO
4thPin of CD600= 3.0V ?
Check U615(PMIC)NO
YES
Change Main PBA
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Level 3 Repair
8-29
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Level 3 Repair
8-30
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8-3-8. SIM Card Working
ResolderU619
ChangeU615(PMIC)
YesCheckU619
SIM ConnectorBreak down?
NOChange SIM600
YES
No
Yes
U608= 3.0V
NG
Check SIM600& Neighboring Circuits
Insert & OperateSIM card
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Level 3 Repair
8-31
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336U
6
7GG
89GG
01
112 2
33 445 5
6
506U
006MIS
706U
506R
806U
D3
G
1
S2
V0.3_MISU_GERV
916U
LTC_RWP_TEF_MIU
TSR_MISKLC_MIS ATAD_MIS
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Level 3 Repair
8-32
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8-3-9 CAMERA Working
Operate CAMERA
NG
Camera FPCB connector is correctly
connecting?correctly connect
NO
Yes
C602 = 1.2V,C603 = 2.8VC604 = 2.8V
ChangeU615(PMIC)
NO
Yes
CAMERAReplace
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Level 3 Repair
8-33
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Level 3 Repair
8-34
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8-4-1. GSM850 RX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Resolder U101 or Change
Check Antenna contact
The End
Yes
Yes
Check C117 = -55dBm ?No
Replace PAM100
Yes
Normal conditionCatch the channel?
No
Yes
Continuous Rx ONRF Input : 190 CHAmplitude : -50dBm
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Level 3 Repair
8-35
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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 ONRF Input : 62 CHAmplitude : -50dBm
The End
Check L102 >= -55 dBm?
Normal ConditionCatch the channel?
Yes
Yes
Yes
No
No
Check Antenna Contact
Resolder U101 or Change
Replace PAM100
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Level 3 Repair
8-36
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8-4-3. DCS/PCS RX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Check L106, L108>= -55 dBm?
Continous Rx ONRF Input : 698 CHAmplitude : -50dBm
The End
Normal ConditionCatch the channel?
Yes
Yes
Yes
No
No
Check Antenna Contact
Resolder U101 or Change
Replace PAM100
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Level 3 Repair
8-37
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Level 3 Repair
8-38
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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 ONRF Input : 10700CHAmplitude : -50dBm
The End
Check L109 = -65 dBm?
Normal ConditionCatch the channel?
Yes
Yes
Yes
No
No
Check Antenna Contact
Resolder U101 or Change
Replace PAM100
Check L112= -65 dBm? Replace DUF100No
Yes
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Level 3 Repair
8-39
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8-4-5. WCDMA Band8 RX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
The End
Check C131 = -65 dBm?
Normal ConditionCatch the channel?
Yes
Yes
Yes
No
No
Check Antenna Contact
Resolder U101 or Change
Replace PAM100
Check C135 = -65 dBm? Replace DUF101No
Yes
Continous Rx ONRF Input : 3013CHAmplitude : -50dBm
CONTINUOUS RX ON
RF INPUT : 3013CH
AMP : -50dBm
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Level 3 Repair
8-40
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Level 3 Repair
8-41
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Level 3 Repair
8-42
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8-4-6. GSM850/900 TX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Check U630 >= 13dBm?
Check PAM100 PIN26OUTPUT(RF CONN.)
With HP8960 >= 33dBm?
The End
Yes
Replace PAM100No
Tx ON (Level :5)Battery voltage:3.8V
Yes
Yes
NoCheck The U101
CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODE
APPLIEDGSM850 CH : 190GSM900 CH : 62
RBW : 100KHzVBW : 100KHzSPAN : 10MHz
REF LEV. : 10dBmATT. : 20dB
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Level 3 Repair
8-43
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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 CONDITIONTX POWER DAC:14500 CODE
APPLIEDDCS CH : 698PCS CH : 661RBW : 100KHzVBW : 100KHzSPAN : 10MHz
REF LEV. : 10dBmATT. : 20dB
Tx ON (Level :5)Battery voltage:3.8V
The End
Check U629 >= 11dBm?
Yes
Yes
Yes
No
Check PAM100 PIN26OUTPUT(RF CONN.)
With HP8960 >= 30dBm?
Check The U101
Replace PAM100No
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Level 3 Repair
8-44
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Level 3 Repair
8-45
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8-4-8. WCDMA Band1 TX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ONBattery Voltage: 3.8V
CONTINOUS TX ON CONDITIONTX POWER DAC:120 CODE APPLIED
CH : 10700RBW : 100KHzVBW : 100KHzSPAN : 10MHz
REF LEV. : 10dBmATT. : 20dB
The End
Check PAM100 PIN26OUTPUT(RF CONN.)
With HP8960 >= 23dBm?
Yes
Check L109 = 24 dBm ?
Check C126 = 26 dBm?
Check C144 = 8 dBm ?
Check C125 = 5 dBm?
Yes
Yes
Yes
No
No
Check the U101
Replace PAM100
Replace PAM101
No
No
No
Replace F102
Replace DUF100
Yes
Yes
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Level 3 Repair
8-46
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8-4-9. WCDMA Band8 TX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Check C131 = 24 dBm ?
Tx ONBattery Voltage: 3.8V
Check PAM100 PIN26OUTPUT(RF CONN.)
With HP8960 >= 23dBm?
The End
Check C145 = 8 dBm ?
Yes
Yes
NoCheck the U101
Replace PAM100
Replace PAM102Check C137 = 26 dBm?
No
No
No
Replace DUF101
Yes
Yes
Yes
CONTINOUS TX ON CONDITIONTX POWER DAC:120 CODE APPLIED
CH : 3013RBW : 100KHzVBW : 100KHzSPAN : 10MHz
REF LEV. : 10dBmATT. : 20dB
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Level 3 Repair
8-47
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Level 3 Repair
8-48
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Level 3 Repair
8-49
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8-4-10. BLUETOOTH
Bluetooth connection disable
Yes
Check BT functionON Enable BT function
No
Yes
Check the voltageof U201 is around 3.
0V
NoCheck U201 and change
Check 26KHz Clockon U202 (J1)
Yes
Check OSC200No
Yes
Check theassembled status of
ANT200
NoExchange ANT200
Yes
ExchangeNo
Check UCP300
Yes
END
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Level 3 Repair
8-50
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Level 3 Repair
8-51
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Level 3 Repair
8-52
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8-4-11. FM RADIO
Radio does not work
Yes
Check C200
and Check U615
NoC200 2.6V
Yes
C216, 217 is OK?(When U201
operate)
No Resolder C216,C217and check U201
Yes
Check signalrelated to U201
Yes
END
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Level 3 Repair
8-53
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Level 3 Repair
8-54
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Level 3 Repair
8-55
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8-4-12. GPS
Operate GPS
Yes
NoReplace UCP300Check C203 = High ?
Yes
NoReplace U200Check R200 >= -53dBm?
Yes
The End
Check ANT201, C211Abnormal
Resolder ANT201, C211
Normal
GPS Signal Input: -50dBm@C211
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Level 3 Repair
8-56
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10
2T
NA
C203
C206 C210
C211
C213
C502
30
5C
HDC600
L202
L601
R200
R201
10
5RR525
U200
10
5U
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Level 3 Repair
8-57
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8-5. Service Schematics
- NC Point(Top View): : NC
UME300 b b b b b b b b b b b b
b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 b
A . . : . . . . . . . . . . . b
B . . . : . . . . . . . . . . b
C . : . . . . . . . . . . . . b
D . . . . . . . b
E . . . . : : . : : . . . b
F . . . . : . . . b
G . . . . : . . . b
H . . . . . . . . b
J . . . . . . . . b
K . . . . . . . . . . . . b
L . . . b b b b . . . b
M . . : . . . . . . . . . . . b
N . . . . . . . . . . . . . . b
P . . . . . . . . . . . . . . b
b b b b b b b b b b b b b b
U401 b b b b b b b b b b b
b 1 2 3 4 5 6 7 8 9 10 11 b
A : . . . . . . . . . : b
B . . . . . . . . . . . b
C . . . . . . . . . . . b
D . . . . . . . . . . . b
E . . . . . . . . . : . b
F . . . : . . . . . : . b
G . . . : : : . . . . . b
H : . . . : : . . . . . b
J . . . . . . . . . . . b
K : . . . . . . . . . : b
b b b b b b b b b b b b b
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Level 3 Repair
8-58
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UCP300
b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A : : : : : : : : : : : : : : : : : : : : : : : : : : : A
B : . . . . . . . . . . . . . . . . . . . . . . . . . : B
C : . . . . . . . . . . . . . . . . . . . . . . . . . : C
D : . . . . : D
E : . . . . . . . . . . . . . . . . . . . . . . . : E
F : . . . . . . . . . . . . . . . . . . . . . . . : F
G : . . . . . . . . : G
H : . . . . . . . . . . . . . . . . . . . . . : H
J : . . . . . . . . . . . . . . . . . . . . . : J
K : . . . . . . . . . . . . : K
L : . . . . . . . . . . . . . . . . . . : L
M : . . . . . . . . . . . . . . . . . . . : M
N : . . . . . . . . . . . . . . . . . . . : N
P : . . . . . . . . . . . . . . . . . . . : P
R : . . . . . . . . . . . . . . . . . . . : R
T : . . . . . . . . . . . . . . . . . . . : T
U : . . . . . . . . . . . . . . . . . . . : U
V : . . . . . . . . . . . . : V
W : . . . . . . . . . . . . . . . . . . . . . : W
Y : . . . . . . . . . . . . . . . . . . . . . : Y
AA : . . . . . . . . : AA
AB : . . . . . . . . . . . . . . . . . . . . . . . : AB
AC : . . . . . . . . . . . . . . . . . . . . . . . : AC
AD : . . . . : AD
AE : . . . . . . . . . . . . . . . . . . . . . . . . . : AE
AF : . . . . . . . . . . . . . . . . . . . . . . . . . : AF
AG : : : : : : : : : : : : : : : : : : : : : : : : : : : AG
b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 b
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