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KX-TCA256X
12.2. Schematic Diagram (Handset)
JT101
CK10
CHG+
L101
+
10uH
CK11
L102
-
10uH
JT102
CHG-
TALK
SW01
5
SW02
*
SW03
COL5
COL4
ROW3
TALK
SOFT_A
ROW2
ROW1
5
ROW0
*
COM
battery
C102
0.047u
Q101
E
C
R101
B
10k
R103
470
D101
Q102
4.7V
D103
4.7K(B),10K(B-E)
R117
Q103
1k
BATT
BATT
RXDA
RXDA
SYEN
SYEN
SYDA
SYDA
SYCL
SYCL
SYRI
SYRI
RXDSG
RXDSG
RSSI
SYRI
RSSI
TXDA
TXDA
PAON
PAON
PSEL
PSEL
GND
RF_GND
5-SW
SW2
PUSH
CLEAR
SW40
4
SOFT_A
1
MSG
Xfer/CLR
SW21
SW51
SW11
SW31
SW41
8
9
6
3
2
SW52
SW12
SW22
SW32
SW42
0
#
R
INT
7
SW53
SW13
SW23
SW33
SW43
KEY MATRIX
COL3
COL2
COL1
COL0
CLEAR
1
MSG Xfer/CLR
4
8
9
6
3
2
0
#
R
INT
7
PUSH
BATTERY+ +
CK2
CK1 BATT
BATTERY- -
D102
C106
Z0.1
SW1
R119
R106
10k
CK13
C114
100k
1.0u
R116
R107
NC
10k
CK4
R118
270k
R120
100
R121
100k
10.368MHz
D1.8V
D2.7V
R204
10k
SO
21
22
SK
23
DAC/ADC2
24
P3-6/PD6
UTX/P0-0
25
R205
26
URX/P0-1
27
JTIO/P0-2
JTAG
COL1
1k
PCM_FSC1/P0-3
COL2
28
PCM_FSC0/P0-4
29
COL3
UTX URX
30
PCM_CLK/P0-5
COL4
31
PCM_DOUT/P0-6
R206
COL5
PCM_DIN/P0-6
32
C205
1k
33
VDDIO
Z0.1
UTX
1
34
VSS
ROW0
R207
35
INT0n/P1-0
ROW1
URX
2
INT1n/P1-1
ROW2
36
1k
37
INT2n/P1-2
ROW3
GND
3
38
INT3n/P1-3
INT4n/P1-4
COL0
39
CN202
40
D2.7V
D2.7V
R215
R214
100k
C206
100k
Z0.1
D2.7V
R209
COM
NC
R210
COL5
COL4
R211
COL3
COL2
COL1
R212
COL0
ROW3
C216
6V KB 1u
ROW2
ROW1
ROW0
46
CK3
C108
47uF
C107
1.0u
BATT
C112
7p
C201
C203
NC
10p
X100
10.368MHz
3
1
4
2
C228
Z0.47
C231
33p
D2.7V
C204
Z0.1
VSS
80
C210
VDDIO
79
Z0.22
P3-7/PD7
RSTn
78
VREF+/CIDIN+
77
MIC+
76
AGND
75
VBUF
74
C212
VREF-
73
0.068u C213
IC201
MIC-
72
0.068u
AG
VREF_HS/CIDOUT
71
LSR_HS/CIDIN-
70
LSR-/REF
69
LDO2_CTL
LSR+/REF
68
LDO1_CTL
R413
AVD2
67
C214
LDO1_SNS
VDDE/INT5n/P1-5
AVS2
66
100
1u
SCL2/P3-0
VBAT1
65
VBAT2
64
63
62
61
C122
47uF
C209
NC
CN405
C215 Z0.1
NC
NC
NC
C217
10V KB 1u
C218
10V KB 1u
C219
C220
6V KB 1u
R213
6V KB 1u
68k
C222
C221
16V K 1u
C223
16V K 1u
C224
16V K 1u
R218
C225
16V K 1u
330K
16V K 1u
R219
F1M
about. -6.5VDC
(1)
C120
NC
(2)
(3)
(4)
(5)
(6)
(7)
(8)
C211
10p
AG
(9)
(10)
(11)
BATT
(12)
(13)
(14)
R216
470k
C230
0.068u
(15)
(16)
(17)
(18)
(19)
(20)
1
CS
2
RESET
AD
3
4
SCL
SI
5
6
VDD
DSS
7
8
VOUT
CAP3-
9
10
CAP1+
11
CAP1-
12
CAP2-
13
CAP2+
14
V1
15
V2
16
V3
17
V4
18
V5
19
VR
(21)
(22)
(23)
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