Read Panasonic KX-TCA355RU Service Manual online
46
KX-TCA355RU
13 Schematic Diagram
13.1. Handset
10.368MHz
SW42
3
SW33
R
SW31
MSG
SW40
CLEAR
SW32
6
SW43
INT
SW51
4
SW41
Xfer/CLR
SW52
2
SW53
7
BATT
SW12
8
SW13
0
SW11
SOFT_A
SW02
5
SW03
*
SW01
TALK
D2.7V
R215
100k
D2.7V
R214
100k
R121
100k
10V KB 1u
C217
10V KB 1u
C218
10V KB 1u C220
10V KB 1u
C219
SW22
9
SW21
1
SW23
#
L101
10uH
L102
10uH
Z0.47
C103
470
R103
10k
R101
1k
R117
C107
1.0u
R110
15k
R206
1k
R207
1k
R205 1k
R202
10k
R203
10k
R204
10k
D2.7V
D2.7V
C206
Z0.1
16V
C205
Z0.1
16V
D1.8V
BATT
D102
100k
R106
D2.7V
C215
Z0.1
6V KB 1u
C216
AG
0.047u
C102
C204
Z0.1
C210
KB0.22
C212
0.068u
C213
0.068u
C211
10p
C214
1u
7p
C112
R120
100
DG
battery
D101
4.7V
Z0.1
C111
C229
Z0.1
16V
C228
Z0.47
C227
Z0.47
10V
BATT
RXDA
SYEN
SYDA
SYCL
SYRI
RXDSG
RSSI
TXDA
PAON
PSEL
BATT
BATT
CN202
1
1
2
2
3
3
R216
470k
R217
270k
C230
NC
270k
R118
330k
R218
F1M
R219
10p
C203
C106
Z0.1
C108
220u
Q103
0
R208
D103
AG
C231
33p
L201
4.7u
C232
0
C121
220u
X100
10.368MHz
1
2
3
4
68k
R213
16V K 1u
C222
16V K 1u
C221
16V K 1u
C223
16V K 1u
C224
16V K 1u
16V K 1u
C225
D203
10k
R116
CN405
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
C122
6.3V KB 22u
IC201
1
P3-7/PD7
2
P3-1/PD1
3
P3-5/PD5
4
P3-4/PD4
5
P3-3/PD3
6
P3-2/PD2
7
VDD7
8
VSS8
9
RFCLK
10
VDDRF
11
VSSRF
12
XTAL
13
CAP
14
AVS
15
AVD
16
RSSI
17
RDI
18
CMPREF
19
TDO
20
LE
21SO
22 SK
23 DAC/ADC2
24 P3-6/PD6
25UTX/P0-0
26URX/P0-1
27JTIO/P0-2
28PCM_FSC1/P0-3
29PCM_FSC0/P0-4
30PCM_CLK/P0-5
31PCM_DOUT/P0-6
32PCM_DIN/P0-6
33VDDIO33
34VSS34
35INT0n/P1-0
36INT1n/P1-1
37INT2n/P1-2
38INT3n/P1-3
39INT4n/P1-4
40
VDDE/INT5n/P1-5
41
SCL2/P3-0
42
SDA2
43
VSS43
44
VDD44
45
P2-0/PWM0
46
P2-1/PWM1
47
P2-2/ADC0
48
P2-3/ADC1
49
P2-4/SCL1
50
P2-5/SDA1
51
P2-7/DC_CTL
52
DC_I
53
P1-6/PON/INT6n
54
P1-7/CHG/INT7n
55
P2-6/STP_CHG
56
VBAT3/RING
57
DC_STB
58
DC_SNS
59
AVS_SNS
60
ADC3
61
LDO1_SNS
62
LDO1_CTL
63
LDO2_CTL
64
VBAT2
65
VBAT1
66
AVS2
67
AVD2
68
LSR+/REF
69
LSR-/REF
70
LSR_HS/CIDIN-
71
VREF_HS/CIDOUT
72
MIC-
73
VREF-
74
VBUF
75
AGND
76
MIC+
77
VREF+/CIDIN+
78
RSTn
79
VDDIO79
80
VSS80
Q101
E
C
B
Q104
E
C
B
Q102
E
C
B
SW2
A
C
B
D
PUSH
COM
CK1
CK10
CK11
JTAG
CK13
CK2
UTX
CK3
URX
SYRI
NC
R105
C207
NC
C209
NC
SW1
CHARGE+
JT102
1
1
CHARGE+
JT101
1
1
NC
R107
CN406
1
1
2
2
C201
NC
ROW3
ROW2
ROW1
ROW0
COL2
COL3
COL4
COL5
ROW2
ROW1
ROW0
COL1
SYEN TXDA
RXDA RSSI
PAON
PSEL
RXDSG
SYDA
SYCL
COL1
ROW3
COL2
COL5
COL3
COL0
COL4
COL0
TXDA
PAON
PSEL
RSSI
RXDSG
SYRI
SYCL
SYDA
SYEN
RXDA
SYRI
SYRI
KEY MATRIX
SOFT_A
TALK
Xfer/CLR
CLEAR
ROW 3
ROW 2
ROW 1
ROW 0
COM
COL5 COL4
COL3 COL2
COL1 COL0
1
MSG
4
5
8
9
6
3
2
*
0
#
7
INT
R
PUSH
(1)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(17)
(18)
(19)
about. -6.5VDC
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