Schematic Diagram (Base Unit) - Panasonic KX-TG5521RUB Service Manual

KX-TG5521RUB/KX-TGA551RUB

13.2. Schematic Diagram (Base Unit)

ANT1_TP
ANT_1
CL1 GND
GND
GND GND
GND
GND
C812
10p
TX _RF
GND
*CN5
PARALLEL WIRE
+3.0V
AP1
CN5-10
CN5-9
CN5-8
CN5-7
GND
CN5-6
CN5-5
CN5-4
CN5-3
CN5-2
CN5-1
GND
NC: No Components
GND
C851 C853
7p
7p
DA802
GND GND
GND
C859
10p
L801 C827
27n
10p
DA801
C803
1
3
1.5p
2
GND GND GND
+3.0V
11
GND GND
GND 10 VCC
9 PO
8 POX
7 PSEL
6 PAON
GND GND
R803
1k
GND
R804
1k
R806
TXON
220
GND
LED1
LED2
ROW0
ROW1
*RA501
4 5 ROW2
3 6
2 7 KEY0
1 8
1k
KEY1
*R516
KEY2
1k
ANT2_TP
ANT_2
CL2
GND
R807
220
GND GND
*C826
RX _RF
1.1p
GND
GND
Q25
+1.8V
GND
Q24
GND GND
GND
GND
1
PSET
2
GND VCCS
3
PI
4
PIX
5
PRAMP
IC801
R805
GND
47
PSEL
GND
PON
3.0V
VDD4
*R424 CP_OUT1=3.0V
10k
*Q421
*R425
270k
GND
GND
*C422
GND 1 8
*CE VDD
2 7 100n
SO *HOLD
3 6 GND
*WP SCK
4 5
VSS SI
GND
*IC421
66
Beep
Bell Signal
RXON
*R86
SPm
*R87
SPp
RF_RXn
GND
RF_RXp
2.5V
GND
VDD5
GND
GND
*C501
TAM_WP
NC
eco_mode CHARGE GND
Low_Rad
TAM_WP
ROW2
TX _RF
ROW1
ROW0
TXn
KEY1 1k
KEY0 *R511
KEY2
SPI_DI
SPI_DO
SPI_CLK
TXp
TAM_CSn
SCL2
SDA2
VDD_PADRV
3
4
C521 URX2
RA80
NC URX
C522 UTX2
GND NC UTX
JTAG
R75
GND2
GND
GND
TAM_WP
GND
SPI_CLK
*SW1
SPI_DO 2 1
NC
SPI_DI
TAM_CSn
GND
1.5
(1)
1.5
(2)
(3)
(4)
GND
+2.5_CP
GND
GND
C60
GND
100n 10
(5)
2
1
220
(6)
100
(7)
(8)
(9)