Table of Contents
Advertisement
Loop Current
R34
(1)
0R
C25
N.M.
R35
N.M.
Q7
Q6
.
R36
N.M
N.M.
N.M.
C31
N.M.
R31
N.M.
R37
N.M.
(2)
RX_AF (When OFF-HOOK)
Caller waiting
Audio
C26
SMS (RX)
NC
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
R38
100k
C32
(11)
0.022u
(12)
(13)
(14)
(15)
1u
C33
(16)
(17)
(18)
C30
(19)
0.068u
0.9V
(20)
R33
AD0
AD1
N.M.
AD2
AD3
AD4
AD5
AD6
(21)
(22)
(23)
(24)
TP29
NC
D4
C115
Q8
NC
R44
R47
C46
1 /10V
1.8k
100K
C47
0.22u
R71
NC
TP31
R39
56R
+3.0V
0V
R41
10p
C38
0.082u
R100 10K
0.9V
103
3.9V
104
3.5V
105
4.1V
VBAT2
106
0V
VBAT1
107
0V
AVS2
108
AVD2
1.8V
109
110
LSR+/REF
LSR-/REF
111
103:LDO1_sense
LSR_HS/CIDIN-
112
104:LDO1_CTRL
113
VREF_HS/CIDOUT
105:LDO2_CTRL
MIC-
114
VREF-
115
IC2
VBUF
116
117
AGND
MIC+
118
VREF+/CIDIN+
119
120
RSTn
AD0
121
AD1
122
AD2
123
124
AD3
AD4
125
AD5
126
127
AD6
AD7
128
C37
C39
C44
0.1u
0.1u
1u
N.M.
R40
X1
10.368MHz
C42 30p
R52
0R
Q9
R53
2.2K
TX_AF
Audio
SMS (TX)
+3.0V
C53
0.1u
3.0V
IC3
1 A0
8
VCC
2
7
A1
WP
3 A2
6
SCL
4 VSS
5
SDA
C45
0.1u
C120 1000p
BE1n
64
R/B
63
VDDE/HOLDACKn/INT5n/P1[5]
62
HOLDn/INT4n/P1[4]
ALE
61
ACS2/DACK1n/INT3n/P1[3]
ACS0
ACS0
60
ACS1
ACS1/DREQ1n/INT2n/P1[2]
59
CLE
DACK0n/INT1n/P1[1]
58
57
DREQ0n/INT0n/P1[0]
0V
56
VSS
3.0V
VDDIO
55
PCM_DIN/P0[7]
54
65:BE0n
53
PCM_DOUT/P0[6]
PCM_CLK/P0[5]
52
66:SCL2/P3[0]
PCM_FSC0/P0[4]
51
50
PCM_FSC1/P0[3]
3.0V
49
JTIO/P0[2]
48
URX/P0[1]
UTX/P0[0]
47
46
SCLK
MI/READY
45
WE
WRN
44
RE
43
RDN
P3[6]
42
P3[6]/PD6
DAC/ADC2
41
SK
40
39
SO
C43
12p
840mV p-p
10.368MHz
KX-TCD505CXV: SCHEMATIC DIAGRAM (BASE UNIT)
R62
1K
7V (When No Beep)
Beep signal
D7
4.7V
D8
4.7V
D9
4.7V
ANT1
TP48
ANT2
TP40
TX-DATA
R112 0
SW1
TD O
RSSI
R86 10K
TP18
TP47
R87 10K
SK
SO
R88 10K
LE
TP46
TP45
RXDSG
RFCLK
SK
SO
RDI
PAON
HC12G-1P
CN4
DB111G
Q10
+5.5V
CN6
DC_IN
1
CN9
R84 1k
1
JTAG
CN10
1
RX
R64
CN7
1k
TX
1
R55
CN8
1k
1
GND
DA1
1
3
2
R60
22R
C100
10p
R61
22R
C105
C104 6P
10P
GND
GND
28
1
GND
VCC_PA
27
2
GND
26
3
GND
PAON
25
4
TXDA
5 RSSI
PSEL
24
4.2V
R59 10k
6 VCC_OC
GND
23
IC4
7 GND
GND
22
21
8 SYCL
GND
9 SYDA
RXDA
20
10 SYEN
GND
19
TP44
11 GND
GND
18
TP43
4.7u
L1
TP17
TP42
RX-DATA
TP41
10.368MHz burst
: No Components
Advertisement
Table of Contents
