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Panasonic KX-TG2248S Service Manual page 25

2.4ghz digital cordless answering system
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NC
L808
NC
C806
C807
10p
C805
10p
R806
L803
FL801
C811
2.7nH
C815
10p
3
1
10p
2
4
FSO
FSI
FCLK
FCS
IC300
15
14
SO
NC
SO
16
13
SI
NC
SI
17
12
ECLK
NC
BCLK
18
11
CS
NC
CS
19
10
FVCC FGND
NC
NC
20
9
NC
NC
C309
21
8
NC
NC
Z0.1
22
7
NC
GND
23
6
NC
VCC
24
5
NC
NC
FRST
FWP
25
4
NC
NC
26
3
FWP
NC
WP
27
2
RST
NC
RESET
28
1
R300
NC
RDY
0
16M
IC202
NC
1
8
A0
VCC
EWP
2
7
A1
WP
3
6
A2
SCL
4
5
VSS
SDA
DA
R225
ECLK
S501
NC
4
3
2
1
LOCATOR
C833 10uF
NC
C832
C801
1000p
C802
1p
10p
10p
C803
1
TX
L805
C813
2
GND_RF
10p
2.2nH
3
RX
C816
10p
4
VCC_RF
C817
0.1uF
5
VCC_BIAS
R810
6
REXT
(1608)
7
10k(1%)
TESTP
TESTP
8
TESTN
TESTN
1uH(1608)
VCC
CDL
TAM
IO14
81 DGPIO14
KIN6
82 KIN6
KIN5
83 KIN5
KIN4
84 KIN4
KIN3
85 KIN3
KIN2
86 KIN2
KIN1
87 KIN1
88 DGPIO7
89 DGPIO6
90 DGPIO5
91 DGPIO4
WP
DA
92 DGPIO3
93 DGPIO2
DA
94 DA
FWP
95 FLASHWP
C200
R233
CLK
EWP
96 GND
Z0.1
NC
97 VCC
EWP
98 EEPROMWP
ECLK
99 ECLK
R234
0
100
NC
R240
R243
R241
R242
L806
10nH
R811
NC
R812
NC
TP_FREQ
VCC_PLL2A
24
VCC_PLL2B
23
RXEN
22
TXEN
21
IC801
VCC_PLL1A
20
VCC_PLL1B
19
VCC_DIG
18
SHCNTL
17
L807
C819
390p
UTX1
URX1
UTX2
URX2
RA201
4.7K
8
7
6
5
4
3
2
1
79: IN_USE_LED/MESSAGE_LED/V_M_LED
80: DGPIO15
IC201
100:USE_CNT
NC
NC
NC
CN100
ANT1
SYN_DATA
SYN_EN
R813
NC
SYN_CLK
TXMOD
R400
R804
4.7
3.3K
C830
RXGAIN
1uF(1608)
C829
RXEN
1000p
TXEN
C828
1000p
TXEN
1000p
C827
SHCTRL
C826
NC
RX_DATA
RSTN
C825
680p
C835
NC
RSSI
Vpow
OSC
C263
K0.1
Q260
RSTN1
PDN
C261
R264
3P
C252
Z0.1
C251
Z0.1
C230
10
C231
Z0.1
VCCPLL
50
GNDPLL
49
DCIN2
48
MIP
47
MIN
46
16V10u
VREF
45
C234
NC
44
Z0.01
GNDA
43
R235
1K
DCIN1
42
VCCA
41
CIDIP0
40
CIDIN0
39
CIDO0
38
LGS0
37
LGS
LIN0
36
R212
DCIN0
35
LOUT0
34
NC
33
VCCPA
32
SPN
31
L203 0
L204
GND
R433
ANT2
ANTG1
ANTG2
C416
10P
DATA
LE
CLK
VMOD
RXGAIN
RXEN
TXEN
SHCTRL
RXDATA
RSTN
RSSI
R262
100K
1.8K
C227
C5P
C228
C5P
C235
R213
K0.01
1K
RSSI
R214
MIC
C236
1K
K0.01
1K
SP
0
1K
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(12)
(13)
(14)
(15)
(16)
(20)
(21)
(22)

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