Schematic Diagram (Base Unit_Rf) - Panasonic KX-TG3711BXB Service Manual

KX-TG3711BX/KX-TG3712BX/KX-TG3719BX/KX-TGA371BX

14.3. Schematic Diagram (Base Unit_RF)

ANT_1
ANT1_TP
GND
GND
GND
*D803
C851 C859
10p 10p
W 0.15mm
L 22+/-4mm
1st or 4th layer
GND GND
GND GND
W 0.15mm
L 6.0mm
1st layer
ANT2_TP
GND
L=17mm
C853
10p
GND
GND
W 0.15mm
L 22+/-4mm
1st or 4th layer
GND GND
W 0.15mm
L 20+/-2mm
3rd layer
*D802 C826
L804
4.7n
10p
GND
L=17mm
L807
15n
GND
L=13.3mm
GND
W 0.15mm
L 20+/-1mm
3rd layer
C812
10p
W 0.15mm
L 20+/-2mm
3rd layer
GND
KX-TG3711/3712/3719 SCHEMATIC DIAGRAM (Base Unit_RF)
72
ANT_2
GND
R807
TXON
220
GND GND
L805 1.5n
RF_RXn
from Handset
RF_RXp
GND
L806 1.5n
W 0.125mm
L 7.6mm
GND
Gap 0.125mm
+3.0V
1st layer
Pre-matching
GND
GND GND
Balun
GND
R806
TXON
220
GND
NC: No Components
to Handset
RF_TXp
RF_TXn
*ZA1
Shield
10 9 8 7
11
6
12
1 2 3 4 5