Panasonic KX-TCD346UAS Manual page 88

KX-TCD346UAS / KX-TCD346UAT / KX-TCA132UAS / KX-TCA132UAT / KX-TCA130UAS / KX-TCA130UAT
33 SCHEMATIC DIAGRAM (BASE UNIT_MAIN)
J1
NC (2125)
L2T L2R
CN1
L1T L1R
a1 1
a 2
b 3
b1 4
TEL_JACK
J2
NC (2125)
J3
NC (2125)
J4
NC (2125)
R2
22 (6332)
R3
NC (6332)
R4
22 (6332)
R361
Q361
Q362
DCM
5 Cont
CN2
VDD1 +8V
DCP 6 Sub
GND 1
D1
R154
+6V 2 7 Vin
0
DC_JACK
+8V
L12
6.8uH
C311
NC
R375
CN3
0
SP- 1
(3216)
CN4
SP+ 1
+3.0
TP2
MIC
R303 R304
33
NC : No Components
L6
33uH
L7
33uH
RLY1
NC
9
8
7
2
3
4
1 10
D2
NC
Q1
NC
D361
L13
TP15
10uH Charge +
L14
TP16
10uH Charge -
3.3K
+3.0V
Q2
+1.8V
D7 D8 Q3
VDD2
IC1
(1005)
K470p
Cn
4
C6
+4.0V
GND
3
NC
2
Vo
1
4.0V
2.5V
+2.5V
IC11 VDD4
1 2
VIN VOUT
3 4
ADJ VOUT
IC7
8 1
Vout2 CD
7 2
GND +Vref
6 3
V+ +Vin
5 4
Vout1 -Vin
C314 Beads
K220p R308
R314 C320
K0.1u
R311 150K 39K
C321
NC
(1005)
R307
470
D3
Q12
R106 C101
180K K1000p
C12
R16
K1500p 1M
C207
NC
(1005)
R107 C102
180K
K1000p
C13 R17
K1500p 1M
C206
NC
R67
(1005)
NC
R68
NC
R85
3.0V
Caller ID,
VDD3
Bell signal
R22
R24
1.8V
VDD5
R32
C22
R27
SP Phone_RX
Tone
C306
K0.1u
Bell signal
SP Phone_TX
88
LINE_DC
Loop Current
Q4
R23
100K
Q5
R28
R79
2.2K
TP9
680
R86
0
RX_AF
0
Bell signal
R38 180K
C32
K0.022u
C17 K220p
100K Caller_ID
100
R62
1K
C363 K470p
C69 K0.1u
100
C56 D10p
C70 K0.068u
K220p
C55 R61
K0.068u 180
+3.0V
C54 K0.22u
100K R51
10K
R306
470
+3.0V
R363
1K
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)