Panasonic KX-TG4763B Service Manual page 83

(1)
(2)
(3)
X501
13.824M
R509
NC
VBAT
45
(4)
TXp
46
(5)
RXp
47
(6)
RXn
48
GND_RF
49
(7)
TRSW_p
50
(8)
ANT_n
51
ATST_n
GND
52
ATST_p
53
TEST
54
(9)
RSTN *IC501
55
NC
56
(10)
VCC_VCO
(11) 57
GPIO[27]
58
(12)
VDDUSB
59
DM_USB/GPI28
60
DP_USB/GPI29
61
(13)
VDDC1
62
(14)
JTAG_TDO
63
(15)
JTAG_TDI
64
(16)
JTAG_TCK
65
(17)
JTAG_TMS
66
(18)
JTAG_RTCK
VDDC
(19)
(20)
(21)
VBAT
VCCA
VREF
GPIO26
22
MIN
21
VCCA
20
VREF
C506
19
DCIN3/LIN1
18
DCIN2
17
DCIN1
16
DCIN0/LIN0
15
DOUBOUT
14
DOUBCAPP1
C504
13
DOUBCAPP
0.01u
12
DOUBCAPN
11 C521
GND DOUBCAPN1
10
VBAT
9
COREOUT
8
VDDC2
7
GPIO[26]
6
C524 NC
GPIO[25]
5
GPIO[24]
4
GPIO[23]
3
GPIO[22]
2
GPIO[21]
1
GPIO[20]
VDDC
VDDC
C520
0.1u
SW1
C661
2 1
NC
*JJ301 0
DCDC_OUT
*JJ302
NC
*D371
VBAT
NC
IC302
2 VOUT1
3
INPUT
4
VOUT2
ADJ
1
*R371
+3.0V
NC
+3.0V
*D372
NC
VBG
VCCA
C505
NC
NC
NC
C502
10u
C501 0.1u
RA504
4 1
UTX
68
3 2
URX
+3.0V
Q651
ANT/ID RED
LED651
1 5
R651 680
B1 C1
K A
2
E
ANT/ID GREEN
LED652
3 4 100
R652
B2 C2
K A
Q652
STATUS RED
LED653
1 5
R653 680
B1 C1
K A
2
E
STATUS GREEN
LED654
3 4 R654 100
B2 C2
K A
KX-TGA405 SCHEMATIC DIAGRAM (Range Extender)
83
KX-TG4763B/KX-TGA470B/KX-TGA405B
+6.5V
+6.5V
!
F301
3.0A
DC/DC CONVERTOR
*Q301
*L301
NC
NC
1 5
ON/*OFF
VIN
2
VSS
3 4
VOUT
EXT
*IC301
NC
SCV
*JJ371
NC
VBAT
NC: No Components
DCP
DCM