Samsung SCH-A310 Service Manual page 91

13-3 RF Circuit Diagram 1
1 2
V_RFR
A
V_IF
L306
R302
BLM11A102SPT
0
R304
0
SLEEP_N
IDLE_N
PCS_BAND
FM_N
C338
100PF
B LNA_RANGE0
LNA_RANGE1
C343 C344
100PF 100PF R314
100
LO_IN
CELL_RX
L317
L318 C350
6.8nH
NC 10NF
C356
L323
10NF
1.8NH
PCS_RX
L325
10nH
F303
DFM2R1575MDA L328
1NF
2 1
GPS_RX OUT IN
C363
GND
GND
3.9nH
4 3
R318
3.9K,1%
C
V_IF
S3.6
U322
R1160N301B
1 5
VDD OUT
2
C375
GND
C376
33UF
3 CE ECO 4
100NF
6.3V
R324
0
TCXO_EN
D V_TCXO
L337
ACZ1005M-152-T
U380
C389 C390
VC-TCXO-208C 15PF 100NF
2 4
1 3
TRK_LO_ADJ
C402
10NF
E
C403
10NF
TCXO_IN
1 2
3
F300
R301 C301
L302 L303 B7704
51
10NF
47nH 8.2nH
IN OUT
1
GND1 GND2
C303
0.5PF
V_PD 2
C304 C305
100PF 10NF
C315
V_RFR
1NF
C316
10NF
C317 C318
1NF 100PF
C323 C324
C325
10NF 10NF C326 R305
100PF 5PF
1K
L310 R306
56nH 0
V_RFR
U300
C330
RFR3300
100PF
R307
4 20 220
SLEEPB VCC F302
L311 C331 FAR-F6CE-1G9600-L2XB
5 5.6nH 10NF
VCC
21
IDLEB
IN
32
VCC
2
G G
6
9 VDD_MSM C336
SEL1
NC 1
3
8
SEL2 LO_OUT
TX_LO
C339
23
100PF CLNA_OUT L314
1.8NH
18
CMIX_IN
2
VGC
15
1 FM_IFP
VGC
14
FM_IFM
C345 L315 L316
25 DIV2B 100PF 15nH 15nH
C347 24
PLNA_OUT
47PF
7 LO_IN 16 C348
PMIX_IN
82PF
CDMA_IFP 13
26
CLNA_IN
12
CDMA_IFM
C351 R315
27
CLNA_BIAS
3PF NC C354
L321
22 82PF
100nH GLNA_OUT
17
GMIX_IN L322
R316
39nH
0
28 PLNA_IN 11
L324 GPS_IFP
39nH
C357
29 10
PLNA_BIAS GPS_IFM
F305 1NF
L326
C358 7708 C359
GND 33 3.3nH
C360 1NF 3.3nH
1 3
15PF
IN OUT
30 GLNA_IN 34
GND
C362 GND1 GND2
31 GND 35 3.3PF
RLNA
2 4
19 36
RMIX GND
R319
8.2K,1%
V_RFR
C365 C366
100PF L329 L330 1NF
82nH 100nH
C369
2PF
C370 R320
1.5PF NC L331
68nH
R334 C373
NC
10K
FM_N
V_IF
3 5
Q302
4 UMC5NTL
L336
2
ACZ1005M-152-T C380
TCXO_EN
100NF
C381
1 100PF
R326
12K
RX_IFVCO_VT
U340
R327
10K
C385 C386 LMX2354SLBX
470PF 1.5NF 22
C387 21
VPIF
22NF
20
CPOIN
19
GND
18
RX_IFVCO_OUT FINIF
17 _FININ
16 GND
C396
1NF
15
LE
PLL_EN
14
DATA
PLL_DATA
13
CLOCK
PLL_CLK
12
C399 C400 C401
100PF 100PF 100PF
3
SAMSUNG Proprietary-Contents may change without notice
4 5
C302
2.2PF
3
L305
4
10nH
L307 L308
47nH 47nH
F301
C319
C320 C321
HFF-MCF-129 C322
1NF
1NF 5PF
1NF
1 5
IN OUT
G1 G2 G3 G4 G5 G6
C327 L309
NC NC
2 3 4 6 7 8
C332
D300
1NF
R308
L312 DAN222TL
OUT 2.4K 82nH
5 PCS_BAND
G G 1
C335 3
2.2PF GPS_N
3 4 6 2
L313
R309
82nH
2.4K
C340 C341
1NF 1NF
V_RFR
C346
1NF
F304
C349
DGLE32M01
1NF
10 IN OUT 5
9
OUT 4
IN
L319
C353
G G G G G G
NC C355
NC
1 2 3 6 7 8 1NF
V_RFR
L327
100PF
C361
4.7nH
C367
C368
5PF
1NF
C371
C372 L332
10PF
10PF 68nH
V_IF
L333
ACZ1005M-152-T
R322
22
C378 C379
100NF 10UF
FAST_LOCK1
FAST_LOCK0
23 24
U382
VCCRF 1
UCVA1XD08A
2
VPRF R330
10K
CPORF 3 1 VCTL
4
GND
FINRF 5 C393 C392
C394 C395
RX_RFVCO_OUT
1.5NF NC
10NF
1.5NF
6
_FINRF
7
GND
8 C397
R331
OSCX
1NF NC
R332
OSCIN 9
FAST_LOCK0 FAST_LOCK1
NC
R333
11 10
6.8K
Changed by Date Changed
2002.07.23
EXCDMA
5
13-3
6 7
L301
ACZ1005M-152-T
L304
ACZ1005M-152-T
C306 C307
C309 C310 C311 C312 C313
10NF
33UF 10NF 1NF 10NF 1NF 1NF
R303
1K
RX_AGC_ADJ
U360
IFR3300
4
VDDA
6
C328 7
VDDNTROL VDDA
1NF
9 17
GPS_FM_IF/ VDDA
10 15
GPS_FM_IF VDDA
C329 11 CDMA_IF 14
VDDA
1NF
12 20
CDMA_IF/ VDDA
24
VDDA
C333
4.7NF 35
VDDD
VDDM 44
C337
47PF
36
TCXO TCXOVN 37
TCXO_IN
CHIPX8 38
R311
C342
27PF
100PF
R313 25
RXVCO_OUT
0 1
CX8_FM_CLK FM_RX_CLK
39
RXQD3
2
FM_RX_STB FM_RX_STB
40
22 RXQD2
RXVCO_T2
41
RXQD1
21
RXVCO_T1
42
RXQD0
27
Q_OFFSET
Q_OFFSET
RXID3 45
28 I_OFFSET
I_OFFSET
46
29 RXID2
C352 L320
RX_SLOT/
SLEEP_N
1.8PF 56nH FM_RX_IDATA_RXID1 47
48
FM_RX_QDATA_RXID0
V_PD GND 3
GND 5
GND 16
R317
GND 8
47K
13
GND
C364
GND 18
22NF
33 GND 19
NC
26 GND 23
SBI_EN
32
GNDD 34
SBCK SBCK
30
43
SBST SBST GND
31
49
SBDT SBDT GND
52
GND
53
GND
54
GND
C374 R321
68PF 10K
D360
1SV279-TPH3
L334
22nH
D361
1SV279-TPH3
L335
C377 R323
ACZ1005M-152-T 10K
68PF
V_IF
C382
C383 C384
10UF
10NF 22PF
6.3V
V_THM
3 5
R328
15
4
3 C388
R329
100PF 100
VCC 5
OUT RX_RFVCO_OUT
1
SW
G G G
G 7
C391
2 4 6 8 22PF
LO_IN
Engineer
GPS_N
EXCDMA
C398
4.7NF Drawn by
R&D CHK
TITLE
DOC CTRL CHK
MFG CTRL CHK
Time QA CHK REV Drawing Number
9:41:21 am
6 7
Circuit Diagrams
8
V_IF
C308
C314
100NF
10NF
A
V_PD
C334
10NF
R310
0
CX8_FM_CLK
R312
100
RX_IFVCO_OUT B
RX_QDATA3
RX_QDATA2
RX_QDATA1
RX_QDATA0
RX_IDATA3
RX_IDATA2
FM_RX_IDATA
FM_RX_QDATA
C
RX_IFVCO_VT
R325
4.7K D
FM_N
Q301
UMC5NTL
2
RX_ON
SAMSUNG
Size
E
D
MF_Rev02
Sheet3
8