Panasonic KX-TGA106CM Service Manual page 21

+1.8V
GND
CP_VOUT2
(Not used)
(1)
(2)
(3)
C503
NC
GND GND
C504
1u
CP_C2y
(4) 51
CP_VOUT1/LED1
52
CP_VOUT2/LED2
53
(5)
PON/P1_6
L501 54
(6)
VDD2
(7) 55
P2_7/BXTAL
(8) 56
P1_5/INT5/RDI/VDDE
57
(9)
P1_4/INT4/TDOD *IC501
(10) 58
P1_3/INT3/SIO
59
(11)
P1_2/INT2/SK
(12) 60
P1_1/INT1/LE
61
(13)
P2_6/WTF_IN
(14) 62
P0_7/SPI_DI
63
(15)
P0_6/SPI_DO
(16) 64
P0_5/SPI_CLK
(17) 65
P0_4/SPI_EN
(18) 66
P0_3/SCL2
67
(19)
P0_2/SDA2
R532 1k
(20) 68
P0_1/URX/PWM0
R531 1k
(21) 69
P0_0/UTX
(22) 70
P5_0
(23) 71
P5_1
(24) 72
P5_2
(25) 73
P5_3
(26) 74
P5_4
75
R526
1k
(27)
JTAG
R525
100
(28)
3 ON/OFF
VSS
2
(29)
1 VIN
SCL2
+2.5V
IC303
SDA2
EEP_WP
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
IC561
GND
GND
LINE_DC
Q131
*R140
8.2k
C134 R147
4.7k TP9
NC
*R143
C142
R133
NC
R134
4.7k
100n
100k
*Q123
NC
*Q122
NC
TP10
R153 R154
120
100
GND
GND
820p
C184
C187 R186
1k *R184
0.033u
82k
*R187
GND
100k
CIDOUT/MICn
25
MICh
24
VREFm
23
LSRp
22
LSRn
21
AVD
20
LDO_CTRL
KEY6
19
P4_4 SPI2_DI
18
SPI2_DI/P4_3
17 SPI2_DO
SPI2_DO/P4_2
SPI2_CLK
16
SPI2_CLK/P4_1
TAM_EN POWER_FAIL
15
SPI2_EN/P4_0
14
C512
GND C511
VDD1
13 1u
RF_SUPPLY1
12 10p
GND
AVD_XTAL
11
XTAL1
C513 NC
10
XTAL2
9
GND
AVS_XTAL 3
R512
8
GND
REF_RES
56kF
7
RFP0
6
RFP1
5
VSS_LNA2
4
RF_RXn
3
RF_RXp
2
VSS_LNA1
1
GND
GND
GND
GND GND
NC
+2.5V
4
VDD2
VOUT
5
Q380
GND GND
NC
GND GND
Q111
+1.8V
Q115
HOOKSW
HOOK2-4
HOOK_DET
HOOK2-6
Q113
NC
Q112
R118
0
*R125
*Q114
0
C182 R181 C181
K1000p 180k 680p
R197
R182 1M
GND 4.7M
C192 R191 C191
K1000p 180k 680p
R198 C197
R192 1M
GND
4.7M 10n
820p
C194
+3.5V_PD
*R194
82k
+3.2V
Q341
GND
GND
GND
+1.8V
VDD1
Q351
GND GND
GND
GND
GND
+3.2V_PD
1
*X511
2 D353
GND
ANT1
RXON
RF_RXn
RF_RXp
TXON
TXn
TXp
VDD_PADRV
PSEL
PON
ANT2
+3.75V_PD
+4.4V
*R323
RXON
0
RF_RXn CP_VOUT1
RF_RXp
R383
TXON
TXn
NC
TXp
VDD_PADRV
PSEL
PON
+3.75V_PD
KX-TG1061C SCHEMATIC DIAGRAM (Base Unit_Main)
21
KX-TG1061CM/KX-TGA106CM
CDL Tx (to Tel line)
CDL Rx (from Tel line)
SP_Phone Tx (to Tel line)
SP_Phone Rx (from Tel line)
(Corded) Handset Tx (to Tel line)
(Corded) Handset Rx (from Tel line)
Bell
Bell (Power fail)
CLIP
*P101
C101 L101
680p
*R101
D101
L103
1m 1 2
4 3
C102
L102
680p
*R163 6.8k
D161
C164
2
R164 NC
1u
3
+3.2V
*Q168
*D173 NC
C196
NC
10n
PC102
1 4
2 3
GND
GND
+3.5V_PD
R162
+3.5V_PD
NC
R341
D174
6.8k
PC101
Q161
NC
NC
1 4
2 3
GND
+6.5V
GND
+1.8V
RINGERM
RINGERP
Q331
R333 R331
3.9k 8.2k
GND
J101
IC301 +6.5V
VDD3
+3.5V_PD
D301
2
3
Output
Input
4
Fin
ADJ/GND
1
GND
IC304
VDD5
2
3
Output
Input
4
Fin
ADJ/GND
1
*IC302
VDD7
NC
GND
2
3
Output
Input
4
Fin
ADJ/GND
1
GND
NC: No Components
TIP
22
NC
L2T
L1T
L1R
L2R
RING
GND
R170 NC
1
4
IC101
8 1
LINE2 LINE1
7 2
Cr GND
6 3
NC Csw
5 4
OUT Ra
BL1240K
DCINP
DC_IN
F301
3A DCP
DCM
DCINM
GND