Panasonic KX-TCD346UAS Manual page 93

Digital cordless answering system
Table of Contents

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(1)
(2)
25mV p-p
0.7V
0V
(3)
+1.8V
(4)
39 SO
40 SK
41 DAC/ADC2
(5)
42 P3[6]/PD6
43 RDN
44 WRN
45 MI/READY
46 SCLK
47 UTX/P0[0]
48 URX/P0[1]
49 JTIO/P0[2]
50 PCM_FSC1/P0[3]
51 PCM_FSC0/P0[4]
66:SCL2/P3[0]
(6)
52 PCM_CLK/P0[5]
53 PCM_DOUT/P0[6]
65:BE0n
54 PCM_DIN/P0[7]
55 VDDIO
56 VSS
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
59 ACS1/DREQ1n/INT2n/P1[2]
60 ACS0
61 ACS2/DACK1n/INT3n/P1[3]
(7)
62 HOLDn/INT4n/P1[4]
63 VDDE/HOLDACKn/INT5n/P1[5]
64 BE1n
(8)
(9)
(10)
(11)
(12)
+2.5V
VLCD
C59
K1.0
10.368MHz
2.5V
0V
C6
NC
C7
X1
10.368MHz
10P
R19
NC
VREF+/CIDIN+
IC1
105:LDO2_CTRL
104:LDO1_CTRL
BBIC
103:LDO1_sense
VREF_HS/CIDOUT
LSR_HS/CIDIN-
LSR-/REF
LSR+/REF
KX-TCD346UAS / KX-TCD346UAT / KX-TCA132UAS / KX-TCA132UAT / KX-TCA130UAS / KX-TCA130UAT
BATTERY
+2.5V
1 GND
2 ANT2
3 VCCPA
4 GND
5 GND
6 VCC_OC
R121
7 GND
RSSI
8 RSSI
0
(1005)
CLK
R127
RFCLK
0
(1005)
R123
LE
0
(1005)
R125
SK
0
(1005)
+2.5V
A7
128
AD7
A6
127
AD6
A5
126
AD5
A4
125
AD4
A3
124
AD3
A2
123
AD2
A1
122
AD1
R95
10K
121
AD0
C8 K0.22
120
RSTn
119
118
MIC+
117
AGND
C68 K0.068
116
VBUF
115
VREF-
TX_AF
C37 K0.068
114
MIC-
C91
D10P
113
112
111
110
109
AVD2
108
AVS2
107
C23
VBAT1
106
K0.1
VBAT2
LDO2_CTRL
105
LDO1_CTRL
104
LDO1_sense
R80
103
10
C18
+1.8V
K1000P
TP16
S1
CD_AMP
R12
POWER
39K
(1005)
C127
NC
C128
NC
(1005)
+5.1V
LCD BACKLIGHT
+3.65V
R134
LED+
47
R135
LED+
CN5
47
For1.4Inch
LED-
L6
100u
R117
(2125)
Q16
1K
KX-TCA132/130 SCHEMATIC DIAGRAM (HANDSET)
93
A201
GND
24
GND
23
GND
22
CN6
ANT1
21
RFmodule
RESET
20
GND
19
TXDA
18
GND
17
RX DATA
1.5V DC supply to MIC
R25
R29
330
2.2K
R26
C10
100
K0.1
SP-phone RX Signal
C77
Beep
D10P
C38
K470P
C13
R35
R36
K0.1
27K
47K
VIN
VO1
4
5
D8
FC1
VCC
3
6
FC2
GND
2
7
CD
VO2
1
8
IC2
SP-phone
ON: 2.5V
OFF: 0V
RX_AF
(Handset)
NC : No Components
R75
RESET
1k
(1005)
TX DATA
R131
TDO
0
(1005)
R129
SIO
0
(1005)
TP22
R37
MIC
33
R38
33
TP23
+3.65V
SP_TEST1
+
-
SP_TEST2
SPEAKER
REV_TEST1
-
REV_TEST2

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