Samsung sch-880 Service Manual
Samsung Electronics
9-3
9-3 Transmitter Circuit Diagram
47nH
L416
100NF
C443
L417
47nH
47nH
C409
51PF
C403
33PF
33PF
1NF
C455
R403
300
300
G
4 5
G G
6
1
IN
2
OUT
C440
100NF
F406
SI-5L1.880G-T
SI-5L1.880G-T
3
G
1PF
C457
C461
47PF
VTT_CELL
BLM21P300SPT
L424
C430
12PF
C437
10NF
10K
R424
R431
NC
NC
33PF
C450
FAR-F6CE-1G8800-L2XA
G
1 3
G G
4 6
G
IN
2
OUT
5
2
1
VTT_CELL
F403
D402
HSMS-285C
HSMS-285C
3
VTT_PCS
6.8nH
L405
C462
1NF
1NF
L404
10NF
C408
C404
BLM11A102SPT
1.5PF
C449
10UF
6.3V
10UF
6.3V
G
2
IN
OUT
5
430K
R455
4
VDD
1
FAR-F5CE-836M50-K205-W
F404
G
1 3
G G
4 6
GN01037B01SA
2
GND1
5
GND2
IN
6
3
OUT
VAGC
C401
51PF
U404
G6
10
IN+
9
8
IN-
3
OUT+
OUT- 4
VTT_PCS
FB-G039
F401
G1
1
2
G2
G3
5
G4
6
7
G5
15nH
2
1
3
5
4
L419
1PF
C420
LMV821M7
U415
4
G
6
2
IN
5
OUT
F402
FAR-F5CE-836M50-K205-W
1
G G
3
G
R427
51K
51K
6
2
IN
5
OUT
R425
0
0
FAR-F6CE-1G8800-L2XA
F405
G
1
G
3 4
G G
51PF
C412
C442
AXK5S40045J
CN401
15PF
82nH
L401
C407
47PF
IFIN
1
3
LO
POWER
4
RFOUT
6
VCC
5
U403
UPC8106T-E3
GND
2
1.5PF
C433
C439
100NF
R432
51
51
100nH
L402
100PF
C431
C418
33PF
33PF
R402
VTT
3.3nH
L420
0
NC
C453
R411
10K
910
R417
VTT_PCS
VTT_CELL
VTT_CELL
1PF
C454
33PF
L422
2.2nH
C444
C432
51PF
C429
10NF
C428
1NF
C417
4PF
C448
10NF
L412
LQH3C2R2M24
6
VCC3
VCC4
19
HSMP-389F-TR
D401
3
2
1
LOIN
5
NC
RF-V
9
18
RFOUT+
17
RFOUT-
TXEN
11
8
VCC1
12
VCC2
10
EXC-OUT
GND1
7
14
GND2
GND3
15
GND4
16
21
GND5
1
IFIN+
20
IFIN-
3
MRFIC1854R2
U410
B-SEL
4
ENABLE
2
EXC-IN
13
6
OUT
CE053R836DCA
F407
GND1
2
GND2
5
GND3
3
4
GND4
1
IN
300
R406
10NF
C447
1NF
8
VDD
VEE
3
4
VSS
C416
5
A
7
CH0
CH1
6
1
COM
2
INH
R410
5.6K
TC4W53FU-TE12L
U405
NC
R415
C438
47PF
L407
3.3nH
3.3nH
C402
10NF
2
3
4
5
L414
BLM11A102SPT
UMC5NTL
U402
1
C460
10NF
10NF
C427
1NF
10NF
C451
L411
82nH
82nH
10NF
C413
33PF
C426
R426
10K
10K
C463
47NF
D1 6
4
D2
1 G1
3 G2
5
S1
2 S2
G1
1
G2
3
S1 5
S2
2
FDC6306P
U416
U408
FDC6306P
6
D1
D2
4
BLM11A102SPT
L418
33PF
C441
C425
NC
NC
C445
10K
1.5nH
R447
SLEEP(CELL)
12
NC
7
13
PCS_VC
VCC_IC
11
T3.6
L423
G3
16
17
17
G4
G5
G5
18
19
19
G6
G7
G7
20
21
21
G8
G9
G9
22
8
NC
23
G10
G11
G11
24
25
25
G12
G13
G13
26
27
27
G14
G15
G15
28
29
29
G16
15
G2
6
CELL_O
CELL_VCC
5
1
PCS_IN
NC
2
PCS_O
3
4
PCS_VCC
CELL_VC
10
G1
14
C405
U409
QCPM-9804
CELL_IN
9
1NF
C421
100PF
15nH
L406
1PF
C419
R428
0
0
0
C422
51PF
C423
R430
10NF
33PF
C434
L413
BLM11A102SPT
R416
3.9K
R434
82nH
L408
C436
1NF
1.8K
R429
510K
C465
100PF
100PF
L409
47nH
C415
33PF
33PF
10NF
C435
C459
33PF
R418
18
1NF
C446
VTT
R443
100K
100K
C414
10NF
10NF
47K
R412
100PF
C410
10NF
C464
L421
BLM11A102SPT
TX_IF-
TX_IF
GND
PA_R0
PA_ON
TX_IF
GND
PA_R0
PA_ON
GND
T3.6
T3.6
VTT
GND
GND
RX_IFVCO_VT
GND
RX_IFVCO_OUT
GND
FM_IF
GND
CDMA_IF-
CDMA_IF
T3.6
T3.6
VTT
GND
GND
RX_IFVCO_VT
GND
RX_IFVCO_OUT
GND
FM_IF
GND
CDMA_IF-
CDMA_IF
GND
PA_R0
PDM1
CELL_BAND
PCS_BAND
VTT
PDM2
PCS_TX_LO
PDM2
MODE_SEL
PCS_BAND
SLEEP-
LNA_GAIN_CTL
PDM2
TRK_LO_ADJ
PDM1
GND
MODE_SEL
PCS_BAND
CELL_BAND
PA_ON
PCS_TX_OUT
CELL_TX_OUT
VRR_PCS
VRR
VRR_CELL
PLL_CLOCK
PLL_DATA
GND
GND
GND
TCXO_VAA
PLL_EN
19.68MHZ
CELL_BAND
TX_IF
TX_IF-
CELL_TX_LO