Samsung B5510 Block Diagram 7
Level
8.
Block Diagram
8-1.
Repair
3
8-1
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Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
C
O
N
5
ZD400
0
0
2
C
S
O
C109
C112
C
1
2
3
0
0
C
L
L
Z
Z
5
5
5
D
D
0
0
2
0
1
5
5
6
L504
0
0
4
5
ANT200
C
C
L
2
2
2
0
0
0
0
1
3
F
0
0
2
C519
R
C
R
C
C
L
L
5
5
5
5
5
5
5
1
0
1
0
0
1
1
4
0
1
2
3
4
3
S
O
C
6
0
0
C623
MOT400
MOT401
BTC400
R
4
1
C222
L205
C
C
C
L
2
2
2
2
0
0
0
1
C
2
5
2
4
2
L
1
2
U
9
0
1
C
2
2
0
6
0
L202
0
C218
C
2
C220
0
0
C
C214
2
2
6
C224
L207
C
C231
2
3
2
R200
L
2
0
C223
4
C236
R612
C437
R611
C444
O
C
4
2
S
3
C
4
C
4
0
1
6
0
R205
C443
C435
C442
R410
C427
C439
C429C430
C424
C440
C431
C428
L401
T
A
4
C
0
4
C405
0
2
1
C420
O
C
C
S
1
1
3
3
L115
2
4
C
C131
1
C
C
C
C
0
1
1
0
1
1
1
1
0
C
1
4
8
C
1
4
4
C
1
3
7
C105
C100
4
C138
C
4
3
1
0
9
3
5
C130
L119
R
L
1
1
1
1
8
3
C125
L116
R
L
1
1
1
0
1
U
1
1
7
2
C116
R107
L
C146 C147
L129
1
L
0
L
L
L
L
L
L
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
6
3
2
1
5
8
3
L120
L124
L127
L112
L
1
F103
1
0
1
1
0
F
C118C119
L107
L
1
0
8
0
0
1
U
C
R
1
1
C124
C113
C
C
2
0
1
1
2
5
2
2
R
0
1
1
0
C111
6
9
C453 C454
C
C
2
2
C
C
L
C
2
2
0
1
9
2
C
C
2
2
L
1
1
2
0
5
7
8
C407
C
4
3
6
C
C
4
4
C
0
0
4
0
6
0
2
L
4
0
0
C
1
3
3
C
1
4
9
C
1
1
7
C
1
2
8
C
1
4
5
L
1
0
6
C
1
4
3
L
1
0
9
L
0
0
2
2
R
0
1
7
9
2
2
0
8
3
9
1
0
C240
2
C211
0
2
C210
U
L203
_
B
T
_
R
S
T
_
N
C216
T
T
P
P
_
_
B
B
T
T
_
_
U
U
A
A
R
R
T
T
_
_
R
T
X
X
D
D
E
K
A
W
_
T
O
H
S
_
L
W
_
P
T
N
_
S
T
R
_
T
R
A
U
_
T
B
_
R
2
0
1
C
4
3
3
C
4
3
2
2
0
4
U
L
4
0
2
C
5
1
8
ZD502
P
N
E
_
G
E
K
E
A
W
T
_
B
P
_
T
R
V
_
T
B
_
P
T
T
T
P
P
_
_
W
S
L
D
I
A
N
O
_
_
R
D
S
[
2
T
0
_
3
N
T
P
_
S
D
I
O
_
I
O
D
S
_
P
T
0
[
2
D
2
_
D
[
2
0
0
T
P
_
S
D
O
I
_
C
M
D
TP_SDIO_D[201
E
K
A
W
_
T
TP_SDIO_CLK
S
O
H
_
C
C
T
B
_
P
T
4
4
3
4
4
1
C
R
4
4
3
0
8
8
R
C410
5
1
3
C411
R406
C418
C
0
4
0
TP_PMIC_PC401
R407
C417
R317
C426
C425
R318
C401
C419
C408
C409
R400
C
C
4
4
R401
2
0
2
4
1
0
3
O
I
P
G
F
R
_
P
T
C
C
R
R
V
R
3
3
3
4
1
3
0
2
4
1
1
0
7
6
2
7
0
9
C343
0
0
3
O
I
C341
P
G
F
R
_
P
T
C340
C342
C
5
2
C525
R516
2
C524
R501
C344
R507
C516
C449
R512
C517
R412
R517
R316
R333
C347
C349
C
C
3
3
1
2
R310
R335
1
0
C
C
C
C
C
3
3
3
3
3
1
0
0
1
1
0
7
6
4
5
C
C
C
C
R
3
3
3
3
3
0
1
0
4
2
8
2
5
8
3
C
C
3
3
0
1
4
7
R
3
TP305
TP320
0
0
TP301
C
3
0
TP304
2
C
L
5
3
0
0
5
0
T
P
3
C520
C521
1
1
9
0
3
P
C
T
4
2
0
5
3
P
2
T
8
1
0
3
P
0
3
TP303
P
T
C
C
C
R
R
R
6
6
6
3
3
4
2
1
0
8
T
P
T
_
P
T
P
_
I
C
M
P
C
R
R
2
3
3
2
3
3
1
8
9
F
5
0
6
1
1
2
1
9
8
0
9
R
R
R
R
3
3
3
3
3
3
2
2
6
7
2
1
C316
UCP300
U
M
E
3
0
0
T
T
P
6
P
0
T
0
3
3
0
P
T
_
D
3
DDR
0
DQM
_
0
0
2
3
3
7
2
P
P
T
T
BOTH104 BOTH105
BOTH102 BOTH103
HDC601
R613
L602
D
4
0
1
T
A
C446
C
5
C
4
0
4
0
5
R
2
1
0
A
N
T
2
0
1
C
4
C
4
4
8
5
0
U
C
C
C
L
2
2
2
2
2
3
8
4
0
0
2
_
F
I
_
S
P
G
_
P
T
C247
R208
C239
C250
R204
C238
T
P
2
_
P
T
_
S
P
G
N
_
T
S
R
0
3
C447
Z
D
5
1
0
R
1
1
C
1
1
2
7
L
1
1
1
C
1
2
6
C129
R
R
1
1
0
0
1
0
C537
C227
2
0
3
0
F202
1
3
6
C235
C
L
2
2
1
C229C230
C225
4
1
2
1
F
2
0
3
0
2
U
T
0
2
P
0
2
2
0
_
S
0
2
C241
P
G
0
P
_
P
T
1
T
C243 C244
0
2
P
T
R504
3
0
4
U
R413
R334
U300
R
1
1
0
1
P
M
0
A
1
C
1
4
1
C150
R114
C
1
P
4
2
C115
A
C
1
M
3
6
1
0
L
1
0
0
C151
0
F
1
0
0
L102
C
C
1
1
0
0
8
7
L
1
0
4
2
0
1
F
R
1
0
8
L114
R109
L103
C104
BOTH106
RFS100
C106
A
A
N
N
C110
L105
T
T
1
1
C102C103
0
0
0
1
IFC400
2
0
6
F
SIM500
MASTER_JTAG_PAD
T
P
_
C
D
_
L
D
[
]
0
C313
TRACEPKT300TRACEPKT30 1TRACEPKT302
TRACECLK
TP321
8
1
3
P
T
TP316TP317
C301
T
T
P
P
3
3
1
1
5
4
C303
R328
R
4
1
5
E
A
R
5
0
0
SPK500
SPK501
R
R
C
C
6
6
6
6
0
0
0
1
9
5
9
5
R
R
3
3
2
3
9
0
R
R
3
6
TP601
0
0
6
8
C
6
C
1
3
3
2
8
T
R
A
C
E
P
K
T
3
0
3
4
0
3
T
K
P
E
C
A
R
T
C
N
Y
S
E
C
A
R
T
C326
N
_
S
T
C
_
T
R
A
U
_
T
B
_
P
T
C338
C
C
3
3
2
1
2
8
C
C
C
3
3
3
2
2
3
5
3
9
C
R
R
3
3
3
0
2
2
9
6
7
C
C
3
3
3
3
1
4
C
C
3
3
3
3
2
7
T
P
_
D
D
R
_
A
3
0
0
R515
2
1
3
P
T
C532
C533
T
P
9
3
1
1
3
3
P
T
R
4
1
C451
4
C456
R
R
C
C
C
R
C
3
3
5
5
5
5
5
2
2
0
0
0
0
0
8
9
6
5
R
R
3
3
3
3
1
2
R
R
R
6
6
6
R
1
1
1
6
7
4
8
0
7
C
6
1
4
U604
TP600
C
6
0
0
ZD501
ZD503
4
5
7
C515
ZD507
ZD506
6
0
6
F
C603
1
0
6
F
H
0
0
6
E
F
A
6
0
4
0
0
6
F
3
0
6
F
C602
D
C608
6
0
R
R
R
6
6
6
0
0
0
0
4
6
3
BOTH100BOTH101
U
6
2
0
C612
C611
C621
C610
L600
L601
C607
R
C
R
6
5
1
1
6
8
3
R610
0
6
R
R
U
6
6
1
1
6
5
C622
0
6
0
U
R
6
0
4
1
0
0
0
0
0
2
4
6
U
D
Z
C
C
Z
D
5
0
9
C
6
0
1
4
4
Q600
1
1
3
2
R601R602
0
0
5
D
C
C
C
C
C
C
5
5
5
5
5
3
3
3
3
3
0
4
5
6
1
C
6
0
4
C605
1
0
6
U
C606
1
0
5
C
A
T
2
0
5
C
A
T
8-2
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Level3Repair
8-2-1.
Bottom
0
0
5
Z
D
5
0
0
U
C
R
R
C502
5
5
5
0
0
0
8
1
5
C
5
0
4
C503
MENU
Q
A
SHIFT
ALT
0
0
6
C
D
H
L
O
L
0
4
R
D
E
3
0
0
4
E_MAIL
ZOOM
P
BACKSPACE
ENTER
HOME
R
4
0
4
L
E
D
4
0
1
W
S
Z
SYM
5
0
4
R
2
0
4D
E
L
E
D
X
0
0
5
C
I
M
ZERO
R
F
C
T
Y
GH
V
B
SPACE500
BACK
R
4
1
6
L
E
4D
0
3
DOT
I
K
M
INTERNET
QUESTION
U
J
N
8-3
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Level3Repair
LOGIC
8-3.
8-3-1.
Power On
Power switch on
NG
Check the current
consumption
>= 100
mA?
Yes
Check the battery
voltage
>= 3.8?
Yes
Check the clock at
OSC400
=32
KHz?
Yes
L400(VCORE_1.2V)=1.2V?
L401(VMEM_1.8V)=1.8V?
NO
NO
NO
NO
Download
Change the battery
Resolder OSC400
Check the U402
Yes
Check the clock
OSC100
=26
Mhz
?
Yes
Check the initial operation
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This Document can not be used without Samsung's authorization
NO
Check the clock generation circuit
8-4
R612
Level3Repair
661144CC
000044CCSSOO
332244CC
R205
R410
C439
C440
C428
T
A
4
0
0
R611
C
4
2
3
C
4
1
6
C435
C442
C424
C
4
2
1
C437
O
S
C
4
0
0
C443
C427
C429C430
C431
L401
C405
C420
C444
C
4
0
0
C407
C
4
0
6
L
4
0
0
C
C
4
4
3
3
6
3
C
C
4
4
0
3
2
2
2
0
4
U
L
4
0
2
C
C
4
4
4
3
1
4
C
R
4
4
3
0
8
8
R
5
1
3
C418
C417
C425
C419
C409
R400
R401
1
0
3
O
I
P
G
F
R
_
P
T
TP_PMIC_PC401
R317
R318
0
C
4
P
0
C
_
_
T
P
M
I
P
C
4
2
2
C410
C411
R406
R407
C426
C401
C408
C
4
0
4
8-5
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Level3Repair
8-3-2.
LCD Working
Power Switch On
LCD Display
On?
Yes
NO
LCD FPCB
connector is co
rrectly connecti
ned?
Yes
F600, F601,
F602, F603,
F604, F605,
Correctly
606
F
mounted?
NO
NO
correctly connect
F600,F601,F602,
F603,F604, F605,
F606
Resolder
Yes
LCD
Replace
Yes
C608
LED_P_26V=26V?
NO
Replace U602&Check
neighboring circuits
8-6
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Level3Repair
000066FF
11
11NNII
22
22NNII
33
33NNII
44
44NNII
11
11NNII
22
22NNII
33
33NNII
44
44NNII
11
11NNII
22
22NNII
33
SSRR__DDCCLL
33NNII
44
44
NNII
55
11TTUUOO
66
22TTUUOO
77
33TTUUOO
88
44TTUUOO
DDNNGG
DDNNGG
990011
330066FF
55
11TTUUOO
66
22TTUUOO
77
33TTUUOO
88
44T
TUUOO
DDNNGG99DDNNGG
0011
660066FF
55
11TTUUOO
66
22TTUUOO
77
33TTUUOO
88
44TT
UUOO
DDNNGG99DDNNGG
0011
))00((FF__DDCCLL))00((DD__DDCCLL
D__DDCCLL))66((FF__DDCCLL))66((DD__DDCCLL
))11((FF__DDCCLL))11((DD__DDCCLL
))77((FF__DDCCLL))77((DD__DDCCLL
FFSSCC__DDCCLLSSCC__DDCCLL
FFRRWW__DDCCLLRRWW__DDCCLL
FFSSRR__DDC
CLL
FFDDRR__DDCCLLDDRR__DDCCLL
110066FF
11
11NNII
22
22NNII
33
NNII
33
44
44NNII
11
11NNII
22
22NNII
33
33NNII
44
44NNII
55
11TTUUOO
66
22TTUUOO
77
33TTUUOO
88
44TTUUOO
DDNNGG99DDNNGG
0011
440066FF
55
11TTUUOO
66
22TTUUOO
77
33TTUUOO
8
8
44TTUUOO
DDNNGGDDNNGG
99
0011
))99((FF__DDCCLL))99((DD__DDCCLL
))1111((FF__DDCCLL))1111((DD__DDCCLL))33((FF__DDCCLL))33((DD__DDCCLL
311((FF__DDCCLL))3311((DD__DDCCLL))55((FF__DDCCLL))55((DD__DDCCLL
))3
))5511((FF__DDCCLL))5511((DD__DDCCLL
F__))66((DD__MMAACC))0011((FF__DDCCLL))0011((DD__DDCCLL))22((FF__DDCCLL))22((DD__DDCCLL
0((DD__MMAACC
FF__))11((DD__MMAACC
220066FF
11
11NNII
22
22NNII
33
33NN
II
44
44NNII
11
11
NNII
22
22NNII
33
33NNII
44
44NNII
55
11TTUUOO
66
22TTUUOO
77
TTUU
33
OO
88
44TTUUOO
DDNNGGDDNNGG
99
0011
550066FF
55
11TTUUOO
66
22TTUUOO
77
33TTUUOO
88
44TTUUOO
DDNNGGDDNNGG
99
0011
))55((DD__MMAACCFF__))55((DD__MMAACC))88((FF__DDCCLL))88((DD__DDCCLL
))66((DD__MMAACCF
))77((DD__MMAACCFF__))77((DD__MMAACC))2211((FF__DDCCLL))2211((DD__DDCCLL))44((FF__DDCCLL))44((DD__DDCCLL
))44((DD__MMAACCFF__))44((DD__MMAACC))4411((FF__DDCCLL))4411((D
))00((DD__MMAACCFF__))0
))11((DD__MMAACC
))22((DD__MMAACCFF__))22((DD__MMAACC
))33((DD__MMAACCFF__))33((DD__MMAACC
C
C
R
6
6
4
1
1
2
8
0
8
C
R
R
6
3
3
1
2
1
9
0
9
2
5
0
6
F
C
R
6
0
6
F
0
5
C
R
6
6
6
0
0
1
9
9
5
R
3
2
9
SIM500
C
C
C
5
0
9
R
R
3
3
3
3
0
1
C
R
5
5
5
0
0
0
5
8
6
R
3
3
2
R
R
5
3
3
2
2
0
7
5
4
6
0
6
F
C603
1
0
6
F
0
0
6
F
4
0
6
F
3
0
6
F
C602
C515
ZD501ZD503
ZD507
ZD506
H
E
A
6
0
0
2
0
5
C
A
T
8-7
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Level3Repair
TTAABBVV
0
0
0
0
6
6
L
L
7
7
0
0
6
6
C
C
110066LL
000066DD
VV6622__PP__DDEELL
220066UU
330066RR
33DD
11AA
XXLL
22AA
NNII
33CC
NNEE__LLBB__DDCCLL
111166CC
D
001166CC
C608
33AA
33BB
5
5
0
0
0
0
1
1
221166CC
PPVVOO
22DD
TTEESSRR
11DD
SSCC
PPMMOOCC
TTEESS||NNEE
MMWWPP
11BB
DDNNGGPP
11CC
DDNNGG
11
CCNN
22
CCNN
NN__DDEELL
660066RR
440066RR
880066CC
6
0
0
R
6
0
3
R
6
0
4
R
6
0
6
BOTH100
C612
C611
C610
L600
C607
0
2
6
U
C621
L601
8-8
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Level3Repair
8-3-3.
Audio Working
Speaker Working
Operate speaker
NG
Check
Speaker
Contact
YES
Speaker break
down?
NO
NO
ReContact
YES
Change Speaker
Change main PBA
SPK500
SPK501
1
0
5
C
A
T
110055DDZZ
PP__KKPPSS
CC
551155
NN__KKPPSS
330055DDZZ
PPSS
000055KK
11
11
22
22
11
11
22
22
SS
110055KKPP
RREEKKAAEEPPSS
8-9
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Level3Repair
Receiver Working
Operate Receiver
NG
Check
Receiver
Soldering
YES
Receiver break
down?
NO
Change main PBA
PP__VVCCRR
NO
Resolder
YES
Change Receiver
000055NNOOCC
11
11
991155CC
22
22
NN__VVCCRR
440055DDZZ
8-10
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550055DDZZ
MainMICWorking
Operate MIC
Level3Repair
NG
Pollute
MIC Hole?
NO
L505,R517,R512,C516,
C517 is soldered
operately?
YES
Check
C518=High?
YES
NO
NO
Clean up
MIC hole
L505,R517,R512,C516,
C517 Resoldering
NO
Check
MIC_BIAS_2.15V
=2.15V?
YES
Change MIC
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8-11
Change MIC
Change main PBA
Level3Repair
ALT
SYM
0
0
5
C
I
M
SSAAIIBB__CCIIMMVV
000055CCIIMM
11
RREEWWOOPP
RREEWWOOPP
DDNNGG2211DDNNGG
33
DDNNGG
22DDNNGG
44
TTUUOO
TTUUOO
881155
CC
220055DDZZ
002255CC
112255CC
550055LL
771155
RR
ZERO
221155RR
661155CC
771155CC
NN__TTUUOO__CCIIMM
PP__TTUUOO__CCIIMM
CCIIMM NNIIAAMM
8-12
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This Document can not be used without Samsung's authorization
Stereo Headset Working
Hands-free stereo
headset
NG
NO
Level3Repair
YES
Check R507Button NG?
MIC NG?
NO
SPK NG?
NO
The End
YES
YES
Check
L503
YES
Resolder L503
Check L500,
L501?
NO
Change Main PBA
YES
Resolder L500,L501
8-13
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This Document can not be used without Samsung's authorization
Level3Repair
AA
AA
111155RR
VV88..11__MMEEMMVV
881155RR
000055RRAAEE
33
BB--NNOOCC
44
CC--NNOOCC
55
DD--NNOOCC
66
EE--NNOOCC
22
AA--NNOOCC
662255CC
66
55
44
33
11
000055DDZZ
EE IIHHPP 55..33
000055LL
110055LL
220055LL
330055LL
331155CC
JJRR
441155CC
TTCC
441155RR
440055LL
331155RR
000055CC
NNII__MMFF
RR__TTUUOO__RRAAEE
LL__TTUUOO__RRAAEE
TTEEDD__55..33__RRAAEE
770055RR
55..33__CCDDAA__RRAAEE
PP__CCIIMM__RRAAEE
8-14
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This Document can not be used without Samsung's authorization
Level3Repair
8-3-4.
KEY Working
Volume KEY
Press Volume Key
Key NG?
NG
NO
YES
Resolder TACT501,TACT502
Volume key
Still Key NG?
END
YES
Change TACT501,TACT502
Volume key
Still Key NG?
NO
YES
Change PBA
8-15
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