Panasonic PRL Series Service Manual page 73

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RF BLOCK
ANT1_TP
GND
C801
D10p
C859
D10p
SL
W=0.2mm
L=20.0mm
open-stub
SL
W=0.6mm
L=20.0mm
Sp-phone RX/Beep
(1)
(2)
RX-AF (Handset)
RECEIVER+
(3)
(4)
RECEIVER-
MICp
(5)
(6)
MICn
NC
10
11
2 1
1
RX-balun
MSL
W=0.170mm
50 ohm line
L=3.6mm
L=2mm
S=0.125mm
open-stub
SL
W1=0.2mm
L1=3.0mm
W2=0.7mm
L2=4.3mm
OJ1
50 ohm line
SHORT
Total L=4mm
SL
SL
GND
W=0.3mm W=0.3mm
L=6.95mm L=6.5mm
TX-balun
SL
open-stub
open-stub open-stub
W=0.3mm
SL SL
SL
L=39.0mm
W=2.9mm OJ2
W=2.0mm W=2.2mm
L=2.8mm L=10.8mm L=5.0mm SHORT
LPF
VBAT
OJ3
SHORT
R77
1
C72
D13
C78
NC
K2200p NC
C73 D14
NC NC
R76
1
C79
K2200p
GND GND GND GND
GND GND
RCV+
C70 D21
68p
NC
C71 D22
68p
NC
RCV-
GNDGND GND GND
TX ̲AF
*ZA1
9 8 7
6
Test Pattarn for Pattern Test Pattarn for Carbon
5
HAK_CL1 CARBON_CL1
2 4
3
GND
KX-PRLA20 SCHEMATIC DIAGRAM (Handset_Main)
73
KX-PRL260/KX-PRL262/KX-PRD260/KX-PRD262/KX-PRLA20
MSL
W=0.25mm
L=2mm
RF_RXn
C862
RX̲RF
B1.5p
MSL
W=0.25mm
L=2mm
RF_RXp
MSL
W=0.25mm
L=5mm
RF_TXn
C860
B2.2p
TX̲RF
MSL
W=0.25mm
GND
L=5mm
RF_TXp
C861
B2.2p
GND
+
SP-PHONE_SPEAKER
-
+
RECEIVER
-
MIC+
MIC AP1
MIC-