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SCHEMATIC DIAGRAM-6 (HANDSET RF C.B-2/2 SECTION)
Q Q
3 7 6 3 1 5 1 5 0
HANDSET RF C. B 2/2
C68
0.01
TX_OUT
1A
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
+
C58
22/16
R51
R22
68
100
C41
C59
0.01
0.01
R35
Q2
L4
22K
KTC3880Y
0.27uH
TX PRE AMP
C62
47p
C56
R45
56p
C57
33K
82p
C50
18p
C60
Q7
100p
MMBT3904
TX AMP
C61
R33
56p
1K
5A
x
a o
y
.
i
http://www.xiaoyu163.com
8
C64
R37
68p
100K
3A
R36
330K
D1
4A
SVC2515PA
6
7
1
4
2
R31
R46
22K
130K
3
5
Q
Q
5A
3
7
6
3
IFT5
KL272N
R52
R38
220K
C73
1K
0.001
R53
22K
Q8
C99
C74
MMBT3904
0.01
0.001
BAND
CONTROL
TO HANDSET RF C. B 1/2
1A-15A
u 1 6 3
.
-14-
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9
2
4
9
VCC
J2
1
2
RX_PWR
3
RX_DATA
6A
4
BAT_ALM
7A
5
BAND
8A
MOD2
6
REC_VOL
9A
7
MOD_DATA
8
PLL_STB
10A
MOD_AF
1
5
1
5
0
8
9
2
9
PLL_DATA
11A
10
PLL_CK
12A
BAND
11
RSSI_SIG
13A
12
TY_DATA
14A
13
OSC_PWR
15A
SIGNAL
: TX RF
: TX AUDIO
: TX DATA
m
c o
8
2
9
9
4
9
8
2
9
9
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