Schematic Diagram (Base Unit) - Panasonic KX-TG2480BXS Service Manual

KX-TG2480BXS / KX-TGA248BXS

28 SCHEMATIC DIAGRAM (BASE UNIT)

LED722
R722
390
L1_LED
LED723
R723
390
L2_LED
LED724
R724
220
IN USE LED
IC701
FSI FSO
FOR FLASH BOOT
15 14
NC SO
16 13
NC SI
17 12
NC BCLK
18 11
NC CS
19 10
NC NC
FVCC FGND FRST
20 9
NC NC
21 8
NC NC
22 7
NC GND
23 6
NC VCC
24 5
C713
NC NC
25 4
NC
NC NC
26 3
NC WP
27 2
NC RESET
28 1
NC RDY
NC
UTX1
UTX2
URX1
URX2
UVCC1
UVCC2
UGND1
UGND2
W_GND W_VDD
INT1
IO1
Q592
NC
C599 R592
NC NC
Q591
NC
LED720
R720
270
CHARGE_LED
NC : No Components
RF UNIT I/F PAD
FCS
RA501
4.7K
2
1
4
3
6 5
8
7
103
104
105
106 GND
107 VCC
108 SEG12
109 SEG11
110 SEG10
111 SEG9
112 SEG8
113 SEG7
114 SEG6
115 SEG5
116 SEG4
117 SEG3
118 COM2
119 COM1
120 UART_TX
121 UART_RX
122 L1_RLY
123 DGPIO0
124 GND
125 VCC
126
127
128
INT0
R504 NC
R505 NC
R506 NC
C113
NC
C741
C711 K0.1 NC
IC700
IC591
16K
NC
1 8
A0 VCC
1 8
VCC
2 7
A1 WP
2 7
3 6
+ - - +
A2 SCL
3 6
4 5
VSS SDA
4 5
GND
C712 J120
C763 NC
C774 NC
C778 NC
C773 NC
C772 NC
C770 NC
C771 NC
C769 NC
R807
C768 NC
C767 NC
680
C762 NC
BCK
C761 NC
RSSI1
TXD2 TXD C812 R805
K0.1 39K
Q800
R507
NC
R802
NC
VREFFR
NC
GNDR
CGPIO8
CGPIO9
CGPIO10
IC501
LOUT1
CGPIO12
LOUT0
FLASH_SCK
HSSPOUT DCIN0_OFF-HOOK
INT1
AC_DOWN
C382
K0.01
C750 NC
C352
NC
C751
NC
TTS2
TTS1
2
2
KIN4
1
1
84
IC601 2.5V REG
2.5V
1
8
VOUT Vin
2 7
NC NC
3
6
GND NC
C618
4
5
Cn Cont
K470P
RADIO_EN
VCC
VCC 3.3V
R333 47K
RST
R334 1K
PDN
C805
C2P
C804
C2P
C806 K0.1
C803 10
C801 K0.1
C802
64
NC C560
63
62
MIP 61 10u/6.3V
60
MIN
59
VREF
58 C502 K1.0
HSMIN
57
HSMIP
56
GNDA
55
CIDIP1
54
CIDIN1
53
CIDO1
LGS1
52
LGS1
LIN1 51
50
DCIN1
49
VCCA
48
CIDIP0
47
CIDIN0
46
CIDO0
R228 120K
45
LGS0
LIN0 44
43 C228 K1500P
R123 NC R124 33K
42
VREFO
41
40
LOUT1
39
R570 47K
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
C144 K0.1
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)