![background image](http://html.mh-extra.com/html/samsung/sch-a205/sch-a205_service-manual_1189791044.webp)
SAMSUNG Proprietary - Contents may change without notice
9-3
9-3 Receiver Circuit Diagram
CONFIDENTIAL
SAWTEK
KSS
C362
10NF
C351
220PF
C382
220PF
R372
0
R378
430
33K
R342
1NF
C304
6.3V
C501
10UF
470PF
C350
R361
100
NC
C347
6.3V
10UF
C312
6PF
C323
1M
R344
1K
R312
1K
R377
C338
C349
10NF
1
2
3
4
5
1NF
Q390
UMC5NTL
2
C377
100PF
2SC4081BRT106
Q301
1
3
BLM11A102SPT
L325
RN731V
D301
47NF
C365
NC
C397
47NF
C308
C329
12PF
UMC5NTL
Q380
1
2
3
4
5
NC
L311
10
R380
C352
10NF
C317
C305
12PF
100PF
100PF
C334
100PF
C359
L322
2.7uH
C339
6PF
C324
10NF
_EN
3
100NF
C315
TPS76930DBVR
2
GND
1
IN
NC/FB
4
5
OUT
120PF
C376
U391
NC
L330
1K
R341
R362
18
5
VT
C375
9PF
G1
2
G2
3
4
G3
G4
6
G5
8
OUT
1
VCC
7
+3.0IF
UCVW4X103A
U350
GND4
10
GND5
14
GND6
17
IF_SALECT
2
4
LO+
5
LO-
MIXER_IN
7
PD
3
11
VCC
CDMA+
15
16
CDMA-
13
FM+
12
FM-
1
GND1
6
GND2
GND3
9
RF2466TR13
U330
8
BYP
1NF
C330
12PF
C328
C344
10UF
6.3V
L312
15nH
100PF
C335
R324
1K
C301
100PF
C379
470PF
18
R360
100PF
C384
C302
68NF
C363
430
1NF
R311
C398
10NF
6.3V
3PF
C321
0
R343
C394
10UF
470nH
C325
8PF
33NF
L336
C316
C371
1 RFIN
4
RFOUT
3
VPD
100NF
U310
RF2361TR13
GND1
2
GND2
5
100PF
C378
VDD6
VDD7
24
VDD8
35
44
VDDM
33NF
C314
TCXO/N
37
7
VCONTROL
4
VDD1
VDD2
6
VDD3
14
VDD4
15
17
VDD5
20
RXVCO_OUT
25
21
RXVCO_T1
RXVCO_T2
22
SBCK_SLEEP/
32
SBDT_FM/
31
26
SBI_EN
30
SBST_IDLE/
TCXO
36
GND9
I_OFFSET
28
27
Q_OFFSET
RXID2
46
45
RXID3
RXQD0
42
RXQD1
41
40
RXQD2
RXQD3
39
5
GND2
8
GND3
GND4
13
16
GND5
GND6
18
19
GND7
GND8
23
34
9
FM_IF/
1
RM_RX_CLK
FM_RX_IDATA_RXID1
47
48
FM_RX_QDATA_RXID0
FM_RX_STB
2
FM_SLOT
29
GND1
3
GND10
43
U340
IFR3000-48BCCF-TR
11
CDMA_IF
12
CDMA_IF/
CHIPX8
38
DNC
33
FM_IF
10
C356
10NF
TCO-5812U1(19.68MHZ)
U380
GND
2
OUT
3
vc
1
4
VCC
100NF
C311
100
R371
C336
10NF
+3.0VCO
100PF
C346
10UF
6.3V
C506
C373
4.7NF
L331
220nH
1NF
C340
10
R381
NC
R331
G8
9
IN
10
5
OUT
5.6nH
L302
MSFB27-85-030K0
1
G1
2
G2
3
G3
G4
4
6
G5
G6
7
8
G7
F340
4.7K
BAR63-02W-E6327
D302
L301
R391
L323
150nH
2.7uH
6.3V
4.7UF
C372
C332
L371
100nH
R330
1K
10NF
L334
BLM11A102SPT
C320
22NF
100NF
C380
+3.0VR
C383
100PF
33NF
C366
10K
R376
8PF
C326
C395
10NF
C348
5PF
+3.0IF
6.3V
C399
10UF
470NF
20V
C364
220nH
L321
C303
7
GG
8
IN
10
9
IN
5
OUT
OUT 4
12PF
OUT
5
855845
F330
G
1 2
GG
3
G
6
FAR-F5CE-881M50-D233-W
F320
1
G
3
G
4
G
6
G
IN
2
L313
27NH
TX
4
5
G
G
6
7
G
G
9
10
G
G
11
13
RX
3
14
15
G
G
16
G
17
G
18
19
G
G
20
2
G
G
F301
EFSD836MB1Z1
8
ANT
G
1
12
G
G
EN
3
2 GND
1 IN
5
OUT
4
REF_BYP
U390
MIC5205-3.0BM5/TR
C369
100PF
8.2nH
L320
0
C322
5PF
R374
L372
+3.0IF
L324
0603CS-56NXJBC
C331
2.7uH
C341
1NF
220nH
L332
10NF
C381
10NF
NC
+3.0VR
910
L333
R373
1SV279-TPH3
D380
100NF
C361
1NF
C327
1SV279-TPH3
D381
C343
BLM11A102SPT
L370
C342
10NF
L303
1NF
C337
100nH
R370
22
100NF
10K
R375
C370
VP
2
22
VP1
_IF_IN
17
6
_RX_IN
10NF
GND7
16
19
GND8
GND9
21
18
IF_IN
5
RX_IN
TCXO_IN
8
23
VCC
24
VCC1
EN
15
11
FOLD
GND1
1
GND2
4
GND3
7
9
GND4
10
GND5
GND6
13
S1M8821X02-G0T0
U370
CLK
12
D
ATA
14
20
DOIF
3 DO_RF
R350
22
BLM11A102SPT
L335
22NF
C306
L310
C313
150PF
C374
12nH
120PF
100PF
C345
33NF
C319
5PF
C318
10UF
6.3V
C355
C360
10UF
6.3V
C307
10NF
510
R301
22NF
C333
0
R310
TX_1ST_LO
V_DC
10NF
C357
PLL_DATA
PLL_CLOCK
V_TCXO
+3.0VCO
_RX_ON
V_DC
MODE_SEL
MODE_SEL
+3.0IF
_RX_ON
RX_EN
SBI_EN
CHIPX8
TX_OUT
+3.0IF
RX_AGC_ADJ
TCXO
Q_OFFSET
I_OFFSET
TCXO_CON
_SLEEP
RF_DUP
ADC_CLK_SBCK
RXVCO_OUT
ADC_ENA_SBST
ADC_DATA_SBDT
C_RX_QDATA(3)
C_RX_QDATA(2)
C_RX_QDATA(1)
C_RX_QDATA(0)
C_RX_IDATA(3)
C_RX_IDATA(2)
FM_RX_STB
C_RX_IDATA(0)
C_RX_IDATA(1)
FM_RX_CLK
RX_VCO2
RX_VCO1
RXVCO_OUT
LNA_GAIN
TCXO
C_RX_IDATA(0:3)
RX_VCO2
RX_VCO1
C_RX_QDATA(0:3)
TRK_LO_ADJ