KX-TG6521RUB, KX-TG6521RUT, KX-TG6522RUT, KX-TGA651RUB, KX-TGA651RUT, KX-TG6522RU1 - Panasonic Telephone Service Manual (repair manual). Page 66

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KX-TG6521RUB/KX-TG6521RUT/KX-TG6522RUT/KX-TGA651RUB/KX-TGA651RUT
13.2. Schematic Diagram (Base Unit)
IC801
*IC421
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(8)
(9)
NC: No Components
3.0V
2.5V
Beep
Bell Signal
TX _RF
TX _RF
RX _RF
GND
SPm
SPp
GND
GND
GND
GND
+3.0V
100
R75
*R425
270k
UTX
URX
GND
ANT_1
ANT2
NC
C854
ANT1
GND
GND
ANT_2
GND
NC
C850
GND
GND
1k
R76
ANT1_TP
ANT2_TP
GND
GND
GND
1u
C616
GND
+3.0V
GND
AP1
*CN5
PARALLEL WIRE
.
GND
GND
+2.5_CP
1u
C625
CL1
CL2
GND
GND
100n
C808
GND
GND
GND
PON
1k
R804
RF_RXp
RF_RXn
GND
GND
GND
TXp
GND
220
R806
GND
TXn
GND
PSEL
3.3n
C814
VDD_PADRV
TXON
1k
R803
GND
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
GND
GND
GND
RXON
220
R807
GND
47
R805
GND
*C421
10n
GND
*R424
10k
GND
*Q421
VDD5
GND
*C422
100n
*R426
560
*R427
560
*R428
560
*R429
3.3k
GND
R135
10k
GND
10
R430
GND
GND
100p
C856
100p
C858
GND
GND
10
100n
C60
CKM
GND_C
Q24
GND
+1.8V
NC
C837
CN5-10
CN5-9
CN5-8
CN5-7
CN5-6
CN5-5
CN5-4
CN5-3
CN5-2
CN5-1
1.5p
C803
27n
L801
DA802
1
2
3
DA801
1
2
3
1.8p
C804
1.8p
C802
Shield
12
3
4
5
6
3n
L802
3n
L803
3.3p
C805
3.3p
C806
VDD4
C163
NC
GND
GND
JTAG
3p
C860
GND
GND
*R86 1.5
*R87 1.5
220
RA80
1
2
3
4
*C149
2.2n
*C150
2.2n
100p
C823
GND
*C501
NC
*SW1
NC
1
2
R808
NC
URX2
UTX2
GND2
GND
1
*CE
2
SO
3
*WP
4
VSS
5
SI
6
SCK
7
*HOLD
8
VDD
GND
NC
C423
1k
*RA501
1
2
3
4
5
6
7
8
1k
*R516
1k
*R511
C851
7p
C853
7p
GND
Q25
R801
22k
1.5k
R133
10p
C811
10p
C855
10p
C809
10p
C819
10p
C812
10p
C827
10p
C825
10p
C857
*C516
10p
*C515
10p
*C513
10p
*C514
10p
*C511
10p
*C512
10p
C517
NC
C519
NC
C518
NC
NC
C520
10p
C631
*C146
10p
C859
10p
NC
C521
NC
C861
NC
C522
10p
C630
*C145
10p
2.2p
C810
2.2p
C813
*R132
680
120
*R802
1p
*C834
1.1p
*C826
NC
L804
GND
NC
C862
0.5p
C820
3p
C822
SDA2
SCL2
TAM_CSn
SPI_CLK
TAM_WP
KEY0
KEY1
ROW1
ROW2
KEY2
CHARGE
TAM_WP
SPI_DI
SPI_DO
SPI_DO
TAM_CSn
SPI_DI
SPI_CLK
Low_Rad
ROW0
ROW0
ROW0
TAM_WP
ROW2
KEY0
KEY1
ROW1
KEY2
LED1
LED2
eco_mode
for TG6511/2511/2521
    TG7511/8511/5511
CP_OUT1=3.0V
Pow_Adj
Pre-matching
Balun
BPF
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-1mm
3rd layer
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
W 0.15mm
L 4.0mm x2
1st layer
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