Panasonic KX-TG8041RUM Service Manual page 71

Digital cordless answering system
Table of Contents

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(1)
CP+2.5V
(2)
(3)
(4)
BATTERY
(5)
(6)
(7)
C188
1u
GND
(8)
(9)
(10)
(11)
ANT1
ANT2
RXON
RX_RF
RF_RXn
C832
7p
RF_RXp
C833
7p
TXON
C172
0.1u
8
1
VCC
A0
7
2
WP
A1
6
3
VDD_PADRV
SCL
A2
64k
R805
5
4
SDA
GND
47
IC3
GND
GND
TXn
C834
1p
TXp
PSEL
R803
PON
R804
GND GND
LSRp
LSRn
MICp
MICn
C-TP1
C-TP2
CARBON_CL1
R807
220
C822
100p
GND
C826
B1.5p
GND
R806
220
BATTERY
C825
10p
GND
R801
C808
470
100n
GND
GND
11
1
10
PSET
VCC
GND
2
9
VCCS
GND
PO
3
8
PI
POX
4
7
PIX
PSEL
5
6
PRAMP
PAON
C814
IC801
3.3n
GND
1k
1k
Beep
Sp-phone RX
RX-AF
(Handset)
TX _AF
R309
R310
NC
NC
VREFm
GND
VREFm
GND
KX-TGA800 SCHEMATIC DIAGRAM (Handset_Main)
71
R107
220
GND
R108
220
GND
C827
L801
22n
10p
D802
C837
B0.5p
GND
GND
GND
C812
7p
C811
10p
GND
GND
C810
1.6p
L804
4.7n
GND
TX_RF
C813
1.6p
D14
GND
GND
GND_1
L14
L15
C71
C70
D22
NC
NC
GNDGND
GND_1
R320
R321
VREFm
VREFm
VREFm VREFm
KX-TG8041RU/KX-TGA800RU
ANT_TP
GND
DA1
2
3
1
C803
1.3p
ANT2
GND
GND
-
SP-PHONE_SPEAKER
D13
+
GND_1
+
RECEIVER
-
D21
GND_1
MIC+
1
MIC
PB1
2
MIC-
NC: No Components

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