Read Panasonic KX-TG5521RUB / KX-TGA551RUB Service Manual online
71
KX-TG5521RUB/KX-TGA551RUB
LCD_SDA
LCD_SCL
LCD_CD
LCD_RESET
LCD_CSB
LCD_SCL
LCD_CD
LCD_RESET
LCD_CSB
BATTERY
GND
GND
GND
CP+3.0V
CP+3.0V
C188
K1u
C70
D10p
D10p
GND
D21
D22
C71
D10p
D10p
GND
C113
D10p
D10p
D3
( )
GND
D4
( )
GND
GND
C72
D10p
GND
C73
D10p
D10p
GND
C814
3.3n
R806
220
GND
TXp
R805 47
GND
GND
VDD_PADRV
TXON
GND
GND
C808
100n
GND
PON
GND
BATTERY
GND
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
GND
TXn
PSEL
GND
GND
GND
GND
GND
RF_RXp
RXON
GND
GND
GND
RF_RXn
R807
220
C837
NC
GND
CN5
VSS
10
CN5
GND
1
CN5
RESETB
4
CN5
V0
11
CN5
VDD
8
CN5
SCLK
6
CN5
LCD_CSB
3
CN5
A0
5
CN5
OPT_PWR
2
CN5
VDDA
9
CN5
SID
7
CN5
GND
12
C152
k1000p
DA801
1
2
3
L801
27n
TP_ANT1
C861
3p
C826
2p
C103
100p
R53
3.3k
C106
( )
R54
10k
GND
C105
100p
GND
GND
R51
470
470
GND
GND
GND
GND
C187
2.0p
C186
2.0p
R55
1k
R50
10k
C175
1u
R578
( )
GND
GND
GND
C806
3.3p
C805
3.3p
GND
R808
( )
VREFm
C74
D10p
C75
D10p
VREFm
R73
82
R74
82
D13
D14
D14
RA40
10k
1
2
3
45
6
7
8
C172
K0.1u
RA800
1k
1
2
3
4
Q880
NC
NC
GND
GND
GND
Power_adj
C881
( )
R880
( )
GND
GND
GND
GND
RECEIVER
1
+
2
-
SP-PHONE_SPEAKER
1
+
2
-
C107
J33p
C809
10p
C811
10p
C812
10p
C819
10p
C822
10p
C825
10p
C827
10p
C880 ( )
C104
10p
C580
10p
R52
1k
R802
82
C834
1.3p
GND
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
C810
2p
C813
2p
L803
2.7n
L802
2.7n
C820
NC
C804
1.8p
C802
1.8p
C803
1.5p
R801 680
MIC AP1
1
2
C863
5p
C864
5p
LSRp
LSRn
MICp
MICn
LSRp
LSRn
LSRp
to LCD UNIT (Monochrome 1.8inc FullDot)
IC3
IC801
(1)
(2)
(3)
(2)
(3)
(4)
(6)
(5)
(8)
(9)
(9)
(10)
(11)
(7)
KX-TGA551 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
RX_RF
TX_RF
TX _AF
RX-AF (Handset)
Sp-phone RX/Beep
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