Panasonic KX-TCD346UAS / KX-TCD346UAT / KX-TCA132UAS / KX-TCA132UAT / KX-TCA130UAS / KX-TCA130UAT Service Manual ▷ View online
C7
10P
C6
NC
S1
POWER
C8 K0.22
R24
470K
C9
K0.068
C18
K1000P
MIC
R37
33
R38
33
R26
100
C10
K0.1
R25
330
R29
2.2K
+3.65V
K0.1
C21
C12
K1.0
K0.1
C20
(1005)
K0.1
C22
K0.1
C23
C58
K0.1
(1005)
REV_TEST1
+
REV_TEST2
-
C68 K0.068
C37 K0.068
R12
39K
39K
TP16
D4
4.7M
R73
470K
R74
1
D10P
C90
D10P
C91
D10P
C89
D10P
C87
D10P
C92
10
R80
C59
K1.0
C30
K1.0
+1.8V
+1.8V
+2.5V
C109
K0.1
R95
10K
+3.65V
R117
1K
+2.5V
Q16
C56
D10P
(1005)
D5
4.7M
CN5
For1.4Inch
1
NC
2
PS1
3
D7
4
D6
5
D5
6
D4
7
D3
8
D2
9
D1
10
D0
11
RES
12
CS
13
D/C
14
WR_R/W
15
RD_E
16
VDD
17
VDD
18
VSS
19
V
OUT
20
NC
VLCD
1
VDDIO
2
VSS
3
AD8
4
AD9
5
AD10
6
AD11
7
AD12
8
AD13
9
AD14
10
P3[7]/PD7
11
P3[1]/PD1
12
P3[5]/PD5
13
P3[4]/PD4
14
P3[3]/PD3
15
P3[2]/PD2
16
VDD
17
VSS
18
RFCLK
19
VDDRF
20
VSSRF
21
Xtal1
22
CAP
23
AV
S
24
AV
D
25
RSSI
26
RDI
27
CMPREF
28
TDO
29
AD15
30
AD16
39 SO
40 SK
41 DAC/ADC2
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]
52 PCM_CLK/P0[5]
53 PCM_DOUT/P0[6]
54 PCM_DIN/P0[7]
55 VDDIO
56 VSS
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
40 SK
41 DAC/ADC2
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]
52 PCM_CLK/P0[5]
53 PCM_DOUT/P0[6]
54 PCM_DIN/P0[7]
55 VDDIO
56 VSS
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
73
D
AB10
74
D
AB3
75
D
AB11
76
VSS
77
VDD
78
VDDIO
79
P2[0]/PWM0
80
P2[1]/PWM1
81
P2[2]/ADC0
82
P2[3]/ADC1
83
P2[4]/SCL1
84
P2[5]/SD
A1
85
D
AB4
86
D
AB12
87
D
AB5
88
D
AB13
89
D
AB6
90
D
AB14
91
D
AB7
92
D
AB15
93
P2[7]/DC_CTL
94
DC_I
95
P1[6]/PON/INT6n
96
P1[7]/CHARGE/INT7n
97
P2[6]/stop_charge
98
VBA
T3/RINGING
99
DC_stab
100
DC_sense
101
A
VS_sense
102
ADC3
109
AVD2
110
LSR+/REF
111
LSR-/REF
112
LSR_HS/CIDIN-
113
VREF_HS/CIDOUT
114
MIC-
115
VREF-
116
VBUF
117
AGND
118
MIC+
119
VREF+/CIDIN+
120
RSTn
121
AD0
122
AD1
123
AD2
124
AD3
125
AD4
126
AD5
127
AD6
128
AD7
72
D
AB2
71
D
AB9
70
D
AB1
69
D
AB8
68
D
AB0
67
SD
A2
66
66:SCL2/P3[0]
65
65:BE0n
63 VDDE/HOLDACKn/INT5n/P1[5]
62 HOLDn/INT4n/P1[4]
61 ACS2/DACK1n/INT3n/P1[3]
60 ACS0
59 ACS1/DREQ1n/INT2n/P1[2]
104
104:LDO1_CTRL
106
VBAT2
107
VBAT1
108
AVS2
38
LE
37
AD23
36
AD22
35
AD21
33
AD19
105
105:LDO2_CTRL
31
AD17
32
AD18
34
AD20
64 BE1n
103
103:LDO1_sense
LED+
LED-
X1
10.368MHz
LED+
C24
K0.1
(1005)
R134
47
R135
47
TP22
TP23
D10P
C14
K470P
C38
K1.0
C15
D8
47K
R36
SP_TEST1
SP_TEST2
1
CD
2
FC2
3
FC1
4
VIN
5
VO1
6
VCC
7
GND
8
VO2
K2.2
C80
K0.1
C16
D10P
C77
K1.0
C86
CLK
C119
K4.7
J150P
C53
(1005)
C46
D10P
(1005)
C50
D10P
(1005)
C47
C2P
(1005)
J22P
C117
(1005)
C49
C2P
(1005)
R131
0
(1005)
R121
0
(1005)
RFmodule
1 GND
2 ANT2
3 VCCPA
4 GND
5 GND
6 VCC_OC
7 GND
8 RSSI
2 ANT2
3 VCCPA
4 GND
5 GND
6 VCC_OC
7 GND
8 RSSI
9
SYRI
10
GND
11
GND
12
SYEN
13
SYD
A
14
SYCL
15
GND
16
RX_D
A
T
A
17
GND
18
TXDA
19
GND
20
RESET
21
ANT1
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
30
GND
31
A_1
32
GND
C115
K4.7
D10P
C54
(1005)
C48
D10P
(1005)
R127
0
(1005)
D10P
C44
(1005)
C2P
C55
(1005)
R123
0
(1005)
R125
0
(1005)
R129
0
(1005)
BATTERY
+2.5V
C125
C2P
A201
D10P
C75
K0.1
C13
D10P
C51
(1005)
C120
NC
NC
C76
NC
C84
NC
C85
C95
NC
(2125)
NC
C79
C114
NC
C116
NC
NC
C78
NC
C126
(1005)
C121
NC
27K
R35
R122
NC
(1005)
R124
NC
(1005)
R126
NC
(1005)
R132
NC
(1005)
R130
NC
(1005)
R128
NC
(1005)
R19
NC
K1000P
C45
(1005)
C124
NC
R75
1k
(1005)
K1000P
C83
(1005)
J33P
C17
K0.1
C26
NC
C127
(1005)
NC
C128
(1005)
C129
NC
C130
NC
C131
NC
C132
NC
C133
NC
C134
NC
C135
NC
C136
(1005)
NC
L6
(2125)
100u
L7
NC
L8
(2125)
0
C138
NC
C140
NC
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ15
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
DQ11
DQ3
RDI
COL5
COL6
COL7
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A17
A16
RSSI
P3[7]
RFCLK
CS_LCD
A18
A19
LE
LDO2_CTRL
LDO1_CTRL
LDO1_sense
LDO1_CTRL
LDO1_sense
CD_AMP
P2[0]
P3[1]
DC_sense
ST
OP_CHARGE
CHARGE
DC_I
DC_CTL
RESET
RES_LCD
P2[0]
TDO
CD_AMP
P3[5]
P3[1]
RSSI
RFCLK
LE
SK
RDI
SIO
TDO
RESET
RES_LCD
ADC3
A
VS_sense
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
RD
WR
-
+
SPEAKER
LCD BACKLIGHT
+5.1V
IC1
IC2
CN6
TX DATA
RX DATA
2.5V
0V
10.368MHz
1.5V DC supply to MIC
TX_AF
SP-phone RX Signal
Beep
Beep
SP-phone
ON: 2.5V
OFF: 0V
ON: 2.5V
OFF: 0V
RX_AF
(Handset)
(Handset)
25mV p-p
0V
0.7V
(5)
(3)
(4)
(2)
(1)
(10)
(11)
(11)
(12)
(9)
(8)
(7)
(6)
KX-TCA132/130 SCHEMATIC DIAGRAM (HANDSET)
NC : No Components
BBIC
93
KX-TCD346UAS / KX-TCD346UAT / KX-TCA132UAS / KX-TCA132UAT / KX-TCA130UAS / KX-TCA130UAT
36 SCHEMATIC DIAGRAM (CHARGER UNIT)
J1
1
2
DC_PLUG
TP2
Charge_minus
TP1
Charge_plus
TP3
TP4
D1
NC
R1
NC
NC
R2
D11
22
R12
R11
22
SCHEMATIC DIAGRAM (CHARGER UNIT)
NC : No Components
94
KX-TCD346UAS / KX-TCD346UAT / KX-TCA132UAS / KX-TCA132UAT / KX-TCA130UAS / KX-TCA130UAT
37 CIRCUIT BOARD (BASE UNIT_MAIN)
37.1. Component View
L10
L9
L7
L11
39
38
64
65
103
X1
32
27
1
26
17
17
16
16
1
32
11
10
L8
L3
L12
L14
L13
L5
L6
L4
C206
C170
C203
C102
C50
C193
C52
C75
C19
C35
C199
C199
C92
C119
C194
C55
C307
C306
C40
C108
C109
1
20
10
11
1
10
20
11
C76
C47
C45
C107
C41
C74
C207
C101
C24
C8
C114
C3
ANT_1
ANT_2
C29
C58
C304
C71
1
1
4
5
102
8
128
C25
C10
C11
C301
C69
C70
C27
C54
SDA2
C173
C51
C38
C372
C370
C21
C68
C48
C106
C42
C84
C53
C57
C87
C4
C157
C181
C153
C165
C180
C161
C155
C160
C166
C156
C164
C136
C159
C154C162
C163
C317
C316
C365
C364
C311
8
5
1
4
C140
C141
C143
C137
C138
C26
C30
C18
CN2
CN1
C15
C13
C91
C6
1
1
24
C14
C12
C80
C49
C22
C130
C36
C192
C2
C1
C9
C368
C56
C16
C20
C23
C103
C104
C302
C303
C305
C32
C17
C43
C81
C82
C79
C77
C322
C182
C361
C315
C86
C7
C318
C362
C319
C313
C312
C133
C168
C169
C171
C142
C145
C146
C147
C139
C28
C151
C150
C149
C158
C144
C167
D2
Q1
1
1
1
2
2
5
6
4
5
7
Q4
Q5
Q8
Q2
Q3
Q6
Q7
Q362
Q12
Q361
D311
R52
R54
R54
R26
R68
R17
R70
R107
R105
R155
R84
R154
R25
R23
R78
R51
R306
R45
R46
R71
R49
R39
R47
C46
R72
R99
R28
TP9
TP10
R61
R18
R19
R53
R162
R16
R106
R67
R69
R69
R158
R157
R156
R156
R145
RA4
RA5
R141
R140
R142
R140
R142
R150
R149
R148
R148
R159
R94
R95
A
R143
R153
R152
R151
MIC
R307
R302
R160
R96
R97
R55
R376
R40
R56
R57
R64
R65
R164
R163
R365
R374
R90
P2_4
P3_6
P1_0
P2_7
P3_0
R89
R88
R98
R76
R77
R82
R92
R91
R74
R73
P2_0
P2_6
P2_1
P3_7
P3_5
P3_1
P3_2
P3_4
48
25
P3_3
P1_5
P1_3
ACSO
P1_4
P1_2
P1_1
P0_3
P0_4
P0_5
P0_6
P0_7
R366
R123
R122
R122
R3
R4
R2
R137
R125
R136
R130
R135
R128
R129
C314
C321
C367
C320
C363
R311
R313
R314
R308
R134
R131
R132
R133
R312
R362
R93
R372
R371
R373
R146
R126
R127
R127
R375
R11
R10
R121
RLY8
RLY9
RLY7
RLY10
RLY1
R32
R43
R86
R81
R80
R79
R44
R50
R42
R58
R85
R83
R48
R59
RA2
R27
R6
R5
R87
R147
R144
R301
RA7
RA6
RA1
R305
R303
R304
R62
R41
R24
R60
R38
R22
R63
R35
RA3
R369
R368
R75
R367
R370
R33
R363
R34
R361
R117
R120
R119
R161
R118
D3
D5
D17
D15
D4
E
E
J11
J10
J10
E
J1
J3
J6
J4
SA1
J2
J5
J8
J7
D11
D14
D7
IC3
IC8
IC9
IC10
IC4
IC2
IC1
IC11
D6
D361
DA1
SA2
D1
D10
D16
30
D12
CN6
D8
D9
D301
C90
C89
C88
TP6
D18
IC6
IC7
PbF
PQUP11280Z
KX-TCD346 CIRCUIT BOARD (Base Unit_Main (Component View))
IC11
(8V) IN
IC11
(2.5V) OUT
IC2
(RF Module)
IC1
(4.0V) OUT
IC1
(8V) IN
Bell Sound
(BBIC: 110)
BBIC: 21
(10.368MHz)
IC4
(BBIC)
RESET
(BBIC: 120)
Q3 Collector
(1.8V)
Q2 Collector
(3.0V)
K
X
-T
C
D
3
46U
A
S
/
/
K
X-
T
T
C
D
346
U
A
T
/
/
K
X-
T
T
C
A
132U
A
S
/
/
K
X-
T
T
C
A
1
32U
A
T
/
/
K
X-
T
T
C
A
1
30U
A
S
/
/
K
X-
T
T
C
A
130U
A
T
95
37.2. Flow Solder Side View
LINE_DC
VDD1
L2R
DCP
2
1
DCM
VDD2
VDD3
VDD5
A_1
ANT
A_2
CLK
CN3
YELLOW
SP
CN4
A
BLACK
RED
CHARGE
VDD4
GND
PbF
PQUP11280Z
TP3
TX
TP4
RX
TP5
TP2
TP1
MIC
DCMW
BLUE
L2T
L1T
L1R
KX-TCD346 CIRCUIT BOARD (Base Unit_Main (Flow Solder Side View))
CLK
(10.368MHz)
VDD4
(2.5V)
(2.5V)
VDD2
(4.0V)
(4.0V)
VDD5
(1.8V)
(1.8V)
VDD3
(3.0V)
(3.0V)
K
X
-T
C
D
3
46U
A
S
/
/
K
X-
T
T
C
D
346
U
A
T
/
/
K
X-
T
T
C
A
132U
A
S
/
/
K
X-
T
T
C
A
132U
A
T
/
/
K
X-
T
T
C
A
130U
A
S
/
/
K
X-
T
T
C
A
130U
A
T
96
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