Rf Band - Panasonic EB-X300 Service Manual

11.2. RF Band

AN1
L1131 1nH
J1
6
GND
5
GND
4
GND
3
GND
C4.1
TP50 MM8430-2600
C5.1
C1139 33p
GSMRX
12 6
GND GND
U1107
14 13
LMSP54CA-142
C1143 18p
GND GND
DCSRX
C1147 18p
PCSRX
Mode VC1 VC2 VC3
G_TX 1 0
D/P_TX 0 1
G/D_RX 0 0
P_RX 0 0
VSYN VRF VTX
1 8
Vout1 Vdd
2 7
Vout2 CE1
3 6
Vout3 CE2
4 5
GND CE3
U1173
NCP4523
B1101 BEAD
12
GSM850/900OUT GSM850/900IN
U1101
L1101 3.3nH
PAM for Quad-Band GSM / GPRS
L1107 3.9nH
17
DCS/PCSOUT
18
GND
19
VSENSE
TRSW3
TRSW2
TRSW1
TO
BASEBAND
RF_TXEN
RXEN1
0
0
0
1
VBAT VVCXO
TP9 TP10
RXEN1
RF_TXEN
U1261
GSMRX
1 4
IN G
2 3
G OUT
SAFEJ942
U1271
DCSRX
1 4
IN G
2 3
G OUT
Fujitsu
U1272
PCSRX
1 4
IN G
2 3
G OUT
E F C H 1960
VBAT
R1101
7 dB
GSMTX
6 2 1
5 1 2 DCSTX
DCS/PCS IN
R1123
3 dB
BS
PACEN
R1126 0R
RAMP
VTX
R1212 0R
C1253
33p
GSMTX
C1254
18p
DCSTX
R1202
BS C1204 39p
510/1%
VRF
L1201
R1203
VVCXO
180nH
220/1%
1
2
3
4
R1231 NM 5
6
7
R1204 390
8
9
10
R1205 510
11
12
13
14
15
C1265 15p C1262 15p
R1299 JP
L1271
3n9
C1267 12p
L1272
2n7
– 11-2 –
TO
BASEBAND
TO
ANALOGUE BASEBAND AND POWER MANAGEMENT
R1226 2K
R1225
5.6K
43
RXENA VDDBB
42
TXENA LE
41
PCO CLK
40
VCXO_EN DATA
39
U1201
PDETVCC XTALTUNE
38
RF Transceiver with Power
VCC1 SXENA
37
Ramping Controller, Integrated
TXCPO VCCFN_CP
36
TXINP UHFCPO R1224 10
Crystal Oscillator for Multi-Band
35
LNA900IN GNDFN
GSM, GPRS and EDGE
34
GNDLNA900 XTAL
Applications
33
LNA1800IN VCCF
32 C1297
PDET VCCD
31 100n
LNA1900IN GNDD
30
NC XTALBUF
29
NC LPFADJ
C1298
NM
C1221
100n
L1211
82n
C1211 22p
IP
TO
IN
ANALOGUE BASEBAND AND
QP
POWER MANAGEMENT
QN
VRF
VSYN
LE
CLK TO
DATA_IN BASEBAND
R1291 NM
SXEN
TO
R1294 JP
R1232 10K
ANALOGUE
AFC
BASEBAND AND
POWER
U1291
MANAGEMENT
VTCXO
C1291 NM
2 1
GND Vc
3 4
o/p Vcc
R1291 0R
VVCXO
5
2 4 TO
13MHz_BB
BASEBAND
3
R1223 10 VTX
R1211 1M
R1222 10
VRF
QN
TO
QP
ANALOGUE
BASEBAND AND
IN
POWER
MANAGEMENT
IP