Samsung Galaxy Trend Plus, GT-S7580 Schematics TSHOO
Level
8.
Block Diagram
8-1.
Repair
3
3G P A
[RF7252]
3G PA
[RF7849]
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
ANT_SEL10
SEL10
ANTSEL10
SEL10
ANTSEL10
ANTSEL10
BOT
O
T
H
4
0
2
T
H
4
0
BOT
C
1
0
0
0
0
C
1
0
0
0
1
0
0
1
C1002
1
0
0
3
1
0
0
4
C1005
C1006
C
1
0
0
7
C
1
0
0
8
C1009
C1011
1
0
1
2
C101310
1
C101410
1
C1011
0
C1016
11011
C1017
C10181101
C1019
1
0
2
C1020
1
0
2
1
C1022
C1023
1
0
2
4
C10251025
1
0
3
3
1
0
4
0
108
8
1
0
9
1
1
0
1
1
1
C112
C114
114
C1151115
C116
C117
C11811
8
1
1
9
1
2
0
C121
C122
1
2
3
1
2
4
2
C
1
2
5
C126
C1271127
C
1
2
9
C
1
3
3
C
C14614
C148
C
1
5
0
C
1
5
1
C
1
5
2
C153
1
5
7
C
1
5
8
C159
115
9
C160
160
C162
1
6
3
C
1
6
4
1
6
5
1
6
6
C
1
9
0
2
0
0
2
0
1
2
0
2
2
0
3
3
2
0
4
2
0
5
2
0
6
2
0
2
1
1
2
1
8
2
2
0
2
0
2
2
1
2
2
2
2
C224
2
2
5
2
2
6
2
2
7
2
2
8
2
3
1
2
3
7
2
3
9
C240
2
4
1
2
4
3
2
4
4
2
6
0
2
0
2
7
0
2
7
1
2
8
3
2
8
6
3
0
1
3
0
2
303
C304
304
3
0
5
306
C307
3
7
C308
3
1
0
C
3
1
1
3
1
2
3
1
3
3
3
3
1
4
3
1
5
C
3
1
6
3
1
7
3
1
9
C320320C322
3
2
5
3
2
5
3
2
6
3
2
C327
C328
328
C329
329
C3343C335
3
3
3
3
7
3
3
7
3
3
8
339
C340
C34534
C346
3
3
4
7
3
8
3
5
1
3
5
3
5
2
3
5
C353353C354
3
5
5
3
5
6
C357
357
C358
C359
3
6
1
4
0
0
4
0
1
4
0
2
2
4
0
3
0
3
C404
4
0
5
C406
4
6
4
0
7
7
0
C409
4
9
C4104410
4
1
1
C412
4
1
3
3
4
1
4
4
1
5
5
C
4
1
6
C41747
4
1
8
8
C419
449
C
4
2
0
20C
4
2
1
2
C422
442
C
4
2
3
2
3
C
4
2
4
2
4
2
5
2
5
C426
C427
4
7
4
2
8
C430
C431
C4324422
C433
4
3
C
4
3
4
C435
4
3
6
3
4
3
7
3
7
3
C439
C440
C441
C
4
4
2
2
C443
4
C445
C446
C447
4
5
0
3
5
0
4
5
0
7
C511
55111
C514
5
1
6
C
5
1
7
5
1
8
C
5
1
9
C
5
2
2
C525
C526
C
5
2
7
5
3
0
5
3
5
6
0
1
3
6
0
4
6
0
5
6
0
6
6
0
7
C608
6
0
9
6
1
0
6
1
1
6
1
2
6
1
3
6
1
4
6
1
5
5
6
2
4
6
2
9
6
3
1
3
6
3
2
6
3
3
3
3
6
3
4
C635
6
3
7
C702
7
0
3
7
0
4
C706
706
C709
C710
7
1
1
7
1
2
7
7
1
3
7
1
4
7
1
8
C719
7
9
C721
C722
C724
7
2
6
C727
7
2
9
7
3
0
7
3
7
3
1
7
3
7
3
2
7
3
3
7
33C
7
9
0
C79171
C792
D700
DUF100
U
F
1
0
1
1
0
0
1000
F101
2
0
2
FMI201
D
C
6
0
0
O
M
E
7
0
0
O
M
E
7
0
0
O
M
E
7
0
1
C700
JTAG300
L100
L1000
L1001
L1002
10
0
1
0
0
4
1
0
0
5
L10110
1
1
0
2
L103
L10610
L107
L109
L11011
0
1
1
1
L11211
2
1
1
3
L114
L11511
L116
1
L11711
7
1
1
8
1
1
9
1
2
0
1
2
1
L123
1
2
8
2
0
1
2
0
6
L207
2
1
0
L215
L225
L400
L401
L402
L403
L404
L405
L50050L501
50
5
0
5
L510
5
5
1
1
5
5
1
2
5
1
3
6
0
0
6
0
2
L605
6
0
6
L700
L701
7
LED700
LED701
OSC100
OSC200
OSC400
700
1
0
0
R1000100
0
R1001
1
R
1
0
0
2
R
1
0
0
3
1
0
0
4
1
0
0
5
R1006
R1007
R1008
0
R101
R
1
0
2
R12121
2
0
0
2
0
4
3
0
0
3
0
0
R
3
0
1
3
0
2
R30303
R30404
3
0
7
3
0
8
3
0
9
3
1
0
3
1
1
R312
3
1
3
R314
R315
R316
3
1
7
3
7
3
3
1
9
3
2
0
R321
R323
3
2
5
4
0
0
4
0
2
0
4
0
3
3
4
0
5
R
4
0
7
R
4
0
8
R409
449
9
5
0
0
5
0
2
5
5
0
5
5
0
8
5
1
1
5
R51251
2
R516
R517
R518
5
2
0
5
R521
52221
R523
5
2
4
R602
6
0
7
6
1
0
6
1
2
6
1
3
6
2
3
6
2
7
2
7
6
2
8
6
2
9
R708
7
0
9
7
7
1
0
R7111R712
R713
R715
771
5
7
1
6
7
1
9
7
2
0
7
2
0
R721
R72272
R723
R726
728
7
2
9
7
R730
7
0
7
3
1
7
3
R732
7
7
9
0
7
9
1
7
9
2
D
7
0
0
TACT700
TACT701
P
3
0
0
P
3
0
1
P
_
5
M
_
C
A
M
_
R
E
S
TP_5M_CAM_STBY
TPBTUART TXD
TPCAMTX CMX
TPCAMTX C
P
C
A
M
T
X
D
N
0
TPCAMTXD
CAMTXDPTDN
P
C
A
M
T
X
D
P
T
P
C
L
K
3
0
0
P
D
P
T
P
E
M
M
C
D
3
0
TPGPIO30
T
P
M
U
S
I
N
T
PMUBATRM
P
P
M
U
C
L
A
S
S
G
P
W
TTUNT
TP_PMU_PC30
TP_PMU_PC30
ATRM
T
P
_
P
M
U
_
P
C
4
0
TP_PMU_STAT300
TP_PMU_STA
TPP
UTAAAT
T
P
P
V
T
M
O
N
A
D
C
TP_RF_SRI_CL
S
C
TP_RF_SRI_DATA
TTPPRSDTA
TP_RF_SRI_E
TP_RF_SYS_CLK
SSYS
K
TP_UART_RX
TP_UART_TX
A
T
T
P
V
T
R
E
S
E
T
T
P
V
T
T
X
C
N
P
V
T
T
X
D
N
1
0
0
0
0
15111
11
1000
U1001
U
1
0
0
2
1
1
3
1
1
3
3
1451411
44
2
0
2
0
2
0
3
2
0
3
C254C2L209
L2
4
0
1
0
6
0
0
0
0
6
0
1
0
7
3
5
7
3
U
V
1
0
0
VR700
R
7
0
2
ZD510
0
D
7
0
0
ZD701
ZD703
D
7
0
4
D
D
7
0
5
D
D
7
0
6
D
PCB Diagrams
8-2.
8-2-1.
Top
F
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.
Level3Repair
A
N
T
1
0
0
A
N
T
1
0
1
ANT200
C101
101
C
1
0
7
C167
C
1
7
9
C213
2
1
5
C
5
0
0
5
0
2
5
0
5
C
5
0
6
5
0
9
5
1
0
5
3
2
5
3
4
5
3
6
L1006
2
2
0
2
2
0
2
2
4
2
2
4
L502
L503
5
0
6
I
C
5
0
0
MOT500
MOT501
R413
R503
R504
5
2
2
5
2
2
5
2
6
F
S
1
0
0
I
M
7
0
0
U200
2
V
R
5
0
1
8-2-2.
Bottom
8-3
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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
LOGIC
8-3.
8-3-1.
Power On
Power switch on
NG
Connect the jig box.
Check the current consum
ption
>= 100
mA?
Yes
Check the battery
voltage
>= 3.45
V?
Yes
Check the clock at
OSC400
=32
KHz
Yes
C440(CSR_1V2)=1.2V?
C418(SDSR2_1V2)=1.2V?
C416(IOSR1_1V8)=1.8V?
R721(SDSR1_1V2)=1.2V?
C421(MMSR_1V2)=1.2V?
NO
Download
NO
Change the battery
NO
?
NO
Check the voltage and Resolder
Resolder OSC400
U400
Yes
check
the initial operation
Yes
END
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.
NO
8-4
Resolder or Replace UCP300
NO
Change the main PBA
Level3Repair
2
CSR_1V2
7
1
3
C
C416
IOSR1_1V8
SDSR1_1V2
C417
C418
C420
CAM0_DOVDD
MMSR_1V2
SDSR2_1V
C421
SDSR2_1V2
9
8
2
1
1
6
3
3
3
C
C
C
0
6
3
3
C
7
2
3
C
1
3
2
3
3
C
C
3
2
2
2
3
3
C
C
5
4
2
2
3
3
C
C
IOSR1_1V8
6
2
3
C
8
9
7
8
2
2
2
3
3
3
3
3
C
C
C
C
SDSR1_1V2
2
0
9
3
3
C
1
0
4
3
C
3
3
3
1
3
3
3
4
3
C
C
C
C
MMSR_1V2
C333
2
4
3
C
7
8
6
0
0
0
3
C
4
3
3
3
C
C
3
C
C309
5
3
3
C
8-5
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.
LCD Working
Power Switch On
LCD Display
On?
Yes
NO
LCD FPCB
connector is co
rrectly connecti
ned?
Yes
correctly connect
NO
C635
LED_P_26V=26V?
NO
Yes
CHECK
LCD DATALINE
LCD_SDA,SCL)
(
Replace U600&Check
R606,R627,L601,L602
NO
Resolder or replace UCP300
Replace or Resolder
&
R606,R627,L601,L602
Yes
Replace LCD
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.
NO
Replace PBA
8-6
FLM
DIS0_DP1
DIS0_DM1
DIS0_CP
DIS0_CM
DIS0_DP0
DIS0_DM0
LCD_BL_CTRL
LED_P_26V
Level3Repair
VTOUCH_3.0V
DISP_3V0
IOSR1_1V8
5
0
6
L
C638
VMBAT
C607
R628
7
2
6
R
C613
HDC600
22
11
3
44
3
5566
7788
99
10
10
11
12
11 12
13
14
13 14
151616
15
17
18
17 18
19
20
19
20
22
21
21 22
232424
23
252626
25
27
28
27 28
30
29
30
29
C
C
C
C
N
N
N
N
2
1
3
4
3
3
3
C637
L601
L603
3
C624
C609
C614
C615
IOSR1_1V8
6
0
6
L
R600
TP_LCD_RESET_N
C636
L602
C608
U600
1
CTRL
2
VIN
GND
3
VOUT
D
N
G
7
R602
R601
TOUCH_IRQ
BSC4_SDA
BSC4_SCL
LCD_RST_N
LCD_VGH_14V5
LED_P_26V
LED_N
5
3
6
C
6
LX
5
4
FB
R606
LED_N
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
8-3-3.
TSP
Operate TSP
NG
Check
TSP Connecting
YES
Check
LCD Connecting
YES
Check
VTOUCH_3.0V
NO
NO
NO
Reconnecting TSP
Reconnecting LCD
Resolder or Replace
U400
YES
Check
TSP_SCL,SDA
YES
Replace LCD
NO
NO
Resolder or Replace
UCP300
Replace PBA
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
8-3-4.
Audio Working
Speaker Working
Operate speaker
NG
Check Speaker
Connection
YES
Signal on in
IHF_SPKOUTP
IHF_SPKOU
&
TN?
NO
Change SPK
NO
Resolder
L500, L501
UCP300, U400
YES
EAR SOUND
OK?
YES
Speaker break
down?
NO
Change main PBA
NO
YES
Resolder
R507
Change Speaker
NO
CHANGE PBA
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
A
IHF_SPKOUTP
IHF_SPKOUTN
L500
L501
C508
C531
2
3
0
0
5
5
R
R
V
V
L502
L503
R510
UD_HS_RO
AUD_HS_LO
R503
R504
5
0
5
D
C502
3
0
5
D
Z
Z
C505
C509
R509
C510
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.
Receiver Working
Operate Receiver
NG
Level3Repair
Check Receiver
soldering
Check
C500,C532,C506,
C534,VR500,VR501
YES
Receiver break
down?
NO
YES
Resolder HDC500
NO
Change Receiver
Resolder or Replace
C500,C532,C534,VR500,VR501
Check
UCP300
NO
Resolder or Replace
UCP300
YES
Change main PBA
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
MICW
orking
Operate MIC
NG
Pollute
MIC Hole?
NO
Signal on in
ZD510,C525,
C526?
YES
YES
NO
Clean up
MIC hole
Resoldering
ZD510,C525,C526
MIC
break down
NO
Signal on in
C519, C527?
YES
Check Voltage
of
L512
is
Voltage
2.1V ?
YES
YES
Resolder or Replace
MIC
NO
Change UCP300
NO
Change main PBA
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.
MICBIAS
Level3Repair
L512
MIC500
OUT
GND1
GND2
PWR
GND
GND
1
GND
2
GND
3
4
5
6
ZD510
C522
C525
L513
C526
R522
SHORT
R521
C519
C527
MICP1
MICN1
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
Stereo Headset Working
Hands-free stereo
headset
NG
Button NG?
NO
MIC NG?
NO
SPK NG?
YES
YES
YES
Resolder or Replace
UCP300
Check
NO
L506
YES
Resolder L506 or
Replace SPK Earjack module
Signal on
in L502,503
Resolder or Replace
UCP300
NO
Resolder or Replace
L502, L503
YES
NO
Resolder or Replace
U400
The 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.
IHF_SPKOUTP
IHF_SPKOUTN
FM_RX_EXT
Level3Repair
IOSR1_1V8
U501
6
OUT1VDD
2
5
NC
VSS
34
IN+
IN-
R524
IOSR1_1V8
R505
C507
R508
C508
L500
L501
C531
3
0
2
5
0
5
R
R
V
V
L505
C535
L508
9
0
5
L
AUD_HS_CMS
R511
HDC501
11
2
2
3344
5566
7788
99
10
10
NC
L507
NCNC
NC
1112
1314
ZD502
L502
L503
R507
C505
5
0
5
D
C502
Z
3
0
5
D
Z
AUXMICP2
AUXMICN2 AUXMIC_OUT
R523
C516
C518
L511
R518
R503
R504
R509
C510
C509
AUXMICBIAS
0
1
5
L
1
1
5
C
0
6
2
1
2
5
R
C514
7
1
5
R
7
1
5
C
AUD_HS_RO
AUD_HS_LO
L506
R510
IOSR1_1V8
R526
JACK_IN
AUXMIC_IN
C533
7
6
0
0
5
5
D
D
Z
Z
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
8-3-5.
KEY Working
Power KEY
Press Power Key
Check the P/K
Soldering State
It is OK
YES
Check
R722
NG
?
NO
NO
Resoldering the P/K FPCB
Resolder or Replace
R722
YES
Re-check the P/K
FPCB STATE
It is OK
?
YES
Check
PONKEYb
YES
Change main PBA
NO
NO
Change P/K FPCB
Resolder or Replace
UCP300
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.
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