Panasonic KX-TG6561BXT Service Manual page 71

VCCA
(1)
(2)
MIP MIN
L474
(3)
L476
(4)
H;VCCPA*0.6
L;VCCPA*0.4
+6.5V
R331
47k
(5)
X501
(6)
(7)
13.824M
R509 NC
(8)
45
TXp
46
RXp
47
RXn
48
GND_RF
49
TRSW_p
50
ANT_n
51
ATST_n
52
ATST_p
53
TEST
54
RSTN
*IC501
55
NC
(9)
56
VCC_VCO
GND
57
GPIO[27]
58
VDDUSB
59
DM_USB/GPI28
60
DP_USB/GPI29
61
VDDC1
62
JTAG_TDO
63
JTAG_TDI
64
JTAG_TCK
65
JTAG_TMS
66
JTAG_RTCK
(10)
(11)
(12)
+3.0V
*R602
NC
*R601
NC
8M FLASH
1 8
*CE VDD
2 7
SO *HOLD
3 6
*WP SCK
4 5
VSS SI
*IC601
*C601
0.1u
GC
Rx
*R160
910
+3.0V
*Q161
C165
NC
C173 *R164
R172
100k 0.22u 2.7k
C175
1000p
*Q171
C174
NC
*C178
R181
C458 0.1u
0
C457 0.033u
0.033u
R121 390k C121
R122 390k C122
C459
3.0V
1000p
C120
C460 NC
C461 NC
1000p
VCCA +3.0V
+3.0V
R501
10
C505
10u
22
MIN
C506
21
VCCA
20
VREF 1u
19
DCIN3/LIN1
18
DCIN2
17
DCIN1
16
DCIN0/LIN0
15
DOUBOUT
14
DOUBCAPP1
13
DOUBCAPP
12
C504 1u
DOUBCAPN
11 C521 1u
DOUBCAPN1
10
VBAT
9 C501
C502
COREOUT
8 10u 0.1u
VDDC2
7
GPIO[26]
6
GPIO[25]
5
GPIO[24]
4
GPIO[23]
3
GPIO[22]
2
GPIO[21]
1
4 1
GPIO[20]
3 2
RA504 68
+3.0V
+3.0V
C611 0.1u
IC611
64K EEPROM
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
Tx
Q143
NC
C163
NC
R161
100k
Q142
R151
*R145
100k
2.2k
VDDC
C184
1u
VDDC
Caller ID
680p
680p
+3.0V
HOOK
PULSE_MUTE
BELL
*Q111
VBG
CHARGE_DET
3.0V
VBAT
+3.0V_VBAT
VBAT
L501
100n
PULSE_MUTE
HOOK
INUSE_LED
KEYS_E
KEYS_D
KEYS_C
UTX
URX
KX-TG6561BX SCHEMATIC DIAGRAM (Base Unit)
71
KX-TG6561BXT/KX-TGA651BXT
Q141
R141 C101 680p
100k
D101
1 2
*R149 *Q140
680
4 3
C102 680p
GAP
R115
5.6M
R116
5.6M
+6.5V
+6.5V
Bell
+3.0V
*Q701
R703 R701
1k
3.3k
22k
*Q702
22k
DCDC_OUT DC/DC CONVERTOR
3.0V
L301
22uH
Q302
4.7k
*ZA1
10 9 8 7
11
6
12
1 2 3 4 5
NC: No Components
L1R
P101
L1T
GAP
F301
DCP
3.0A
DCM
CHARGE+
CHARGE-
Q301
R303 4.7k
3.0V