Nokia 2270, 2272, 2275, 2285 Service Manual
CCS Technical Documentation
Schematics / Layouts
RH-3
Issue 1 06/2003
Nokia Corporation Confidential
Page A-10
PA
INCLUDE IN ALL VARIANTS
PCS & CELL
CELL
Mode
Mode
Low Tx Power
PA
AMPS
Pin 16 ISOLATED GND
SHAMU
RX
ANT
CDMA
ORCA
High Tx Power
GND
GND
GNDPINS=
Z803
FILTER
DUPLEX
TX
Z800
DIPLEXER
P2
2
P1
4
P3
6
X801
2
3
1n0
C800
GND
10u
C808
1k0
R803
GND
4
RFin
5
Vcc1
6
Vcc2
8
RFout
CX77110
N802
3,7,9,10,11= GND
1
Vref
Vbias
2
GND
R814
1k0
C813
220p
VCC
GND
VCC
GND
10
Vcc2
2
RFin
Vbias
4
5
Vref
8
RFout
GND
VBAT VBATTRF
ANT
RX
GND
CX77145
N803
3,6,7,9,11=
1
Vcc1
FILTER
DUPLEX
Z804
TX
VCC
C801
330p
330p
100p
GND
GND
GND
GND
VR1B
GND
C817
33n
GND
C807
L810
GND
C809
10n
C803
100n
42R/100MHz
C802
GND
150p
47k
R821
GND
VBAT
GND
C818
10U
C816
10n
C815
1n0
10n
C810
1n0
C814
VBAT
UMD3NTR
N804
1
2
3
4
5
6
2u7H
L800
GND
UMD3NTR
N801
1
2
3
4
5
6
L802
68nH
1
2
0
VR2
VR1A
GND1
C3
RFIn
GND
GND
GND
N805
STPAC01-F1
Temp
A2
A3
DCOut
B1
GND2
B2
GND1
B3
GND1
Bias
C1
C2
C805
10U
18p
C804
SI-5BBR0836M01-T
Z802
IN
1
OUT
6
Vab, Vae
L803
10nH
GND
VCC
VCC
GND
GND
GND
10u
C806
FB
5
6
6
FB
7
BYPVOUT
8
VDD
VSS
VSS
9
GND
VCC
VDD
VSS
13
VSW
14
15
15
VSW
GSW
GSW
16
2
M0
M1
M1
3
NC
4
GND
N800
CX20504
17= GND
EP
1
NC
10
11
VBGAP
12
Z801
CE0411G88DCA502RB2
1
IN
G
2
G
3
G
4
G
5
6
OUT
TX_GATE
DET_IN
CEL_LNA_IN
PCS_LNA_IN
TEMP_SENS
D(2:0)
DET_REF
PA_CELL
ANTENNA
PA_PCS