KX-TG8041RUM, KX-TG8041RUT, KX-TGA800RUT, KX-TGA800RUC, KX-TGA800RUS - Panasonic Telephone Service Manual (repair manual). Page 68

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68
KX-TG8041RU/KX-TGA800RU
13.3. Schematic Diagram (Base Unit_RF Part)
RX_RF
RX_RF
TX_RF
TX_RF
VDD_PADR
V
TXp
RF_RXn
RXON
TXn
TXON
PON
RF_RXp
PSEL
GND
D801
D802
GND
7p
C801
2.4p
C802
1.3p
C803
2.4p
C804
1k
R803
3p
C815
3p
C816
1k
R804
50
10p
C817
NC
50
10p
C818
NC
47
R805
100p
C822
220
R807
220
R806
IC801
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
1p
C806
NC
100n
C808
3.3n
C814
+3.0V
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
A_1
Pow_Adj
10p
C819
15p
C825
0.75p
C820
C807
NC
7p
C832
7p
C833
1.6p
C813
GND
GND
10p
C811
1n
L805
50
0.9p
C840
GND
C837
NC
4.7n
L803
10p
C809
R802
NC
50
10p
C113
C111
10p
50
GND
3.3p
C812
2.2p
C810
2.7n
L802
3.3n
L804
50
0.75p
C834
22n
L801
10p
C827
0.8p
C826
680
*R801
 TOP filter
  LPF
BB-PA
Power control
 isolator
 Rx Balun
Tx Balun
KX-TG
80
41  SCHEMATIC DIAGRAM (Base Unit_RF Part)
NC: No Components

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