Panasonic KX-TCD325UA / KX-TCA132UA / KX-TCA130UA Service Manual ▷ View online
38.4. Memo
105
KX-TCD325UA / KX-TCA132UA / KX-TCA130UA
39 SCHEMATIC DIAGRAM (BASE UNIT)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(13)
(14)
(15)
(16)
25mV p-p
0V
0.7V
C_ID, Bell Signal
7.8V
2.1V
0.3V
3.3V
0.35V
0.97V
3.3V
(When no Beep)
Beep Signal
Charge Terminal
K1500P
C12
1M
R17
32K
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
CN1
DC/TEL_JACK
1
2
3
4
5
6
F200
R9
(1005)
6.3V330
C3
F120
R8
(1005)
K1500P
C13
C2
16V100
3
ADJ
2
VOUT
1
VIN
4
VOUT
1M
R16
22 (6332)
R3
22 (6332)
R5
RLY1
NC
1
2
3
4
7
8
9
10
R56
2.2K
(1005)
R57
2.2K (1608)
+8V
D1
K0.1
C53
(1005)
D3
R105
10K
(1005)
R106
180K
R107
180K
C101
K1000P
C102
K1000P
SA1
C1
D10P
C114
C2P
(1005)
C107
K1000P
C119
K2.2 (2125)
D6
22V
1
IN/OUT1
2
OUT/IN1
3
CONT2
4
GND
5
IN/OUT2
6
OUT/IN2
7
CONT1
8
Vcc
C43
J27P
(1005)
C42
D6P
X1
10.368MHz
C167
18
(2125)
C171
K1000P
R138
27
(3216)
C172
J100P
(1005)
CN14
Q15
R139
470
(1005)
+2.5V
+2.5V
VDD3
TP15
TP16
D16
+2.5V
+3.3V
L2R
L2T
L1R
L1T
DCM
DCP
Q16
1.2K
R142
(1005)
15K
R141
(1005)
R140
1K
(1005)
C174
K0.1
(1005)
180
R143
C29
D10P
C25
D10P
(1005)
C26
J22P
(1005)
C8
D10P
R37
18
(2125)
BUZ
C170
NC
(1005)
NC
D2
J2
NC (2125)
NC (2125)
J7
NC (2125)
J3
NC (2125)
J1
NC (2125)
J5
Q1
NC
680P
C15
680P
C14
L7
33 H
L6
33 H
C180
10P
C181
10P
NC
R144
(1005)
C206
10P
(1608)
R40
(1608)
3.3M
C187
NC
C189
NC
C182
10P
R67
NC
R68
NC
C74
NC
D11
NC
D12
NC
100K
R69
100K
R70
SA2
C212
NC
C200
NC
C213
D10P
(1608)
C75
10P
C205
(1005)
NC
NC (6332)
R4
R81
12K
(3216)
C80
250V0.47
(5750)
D14
0
D15
0
Charge +
Charge -
IC1
IC7
IC3
106
KX-TCD325UA / KX-TCA132UA / KX-TCA130UA
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(13)
(14)
(15)
(16)
RX_AF
Loop Current
Bell signal
TX_AF
TX DATA
RX DATA
3.3V
+1.8V
+2.5V
2.5Vp-p
10.368MHz
Q4
10P
C36
(1608)
100K
R23
50V10
C49
K0.1
C50
820
R54
(1005)
Q8
27K
R42
2.2K
R28
Q5
470
R52
(1005)
10K
R26
2.7K
R25
(2125)
30V
D4
K0.1
C24
(1608)
8.2K
R43
(1005)
2.2K
R44
100K
R47
47K
R48
K1.0
C46
(2125)
K0.056
C47
(1608)
56
R49
12
R45
(4532)
K2.2
C40
(2125)
27
R46
(4532)
18
R39
K0.056
C41
(1608)
+8V
C109
K1.0
(1608)
100K
R71
470K
R72
R84
100
R64
1K
R55
1K
(1005)
C76
K0.047
R22
100K
(1005)
C17
K220P
(1005)
1 INT1n/P1[1]
2 VDDIO
3 VDD
4 VSS
5 SDA1/P2[5]
6 SCL1/P2[4]
7 INT5n/VDDE/P1[5]
8 INT2n/P1[2]
9 AVD
2 VDDIO
3 VDD
4 VSS
5 SDA1/P2[5]
6 SCL1/P2[4]
7 INT5n/VDDE/P1[5]
8 INT2n/P1[2]
9 AVD
10 AVS
11 CAP
12 Xtal1
13 VSSRF
14 RFCLKp
15 RSSI/RFCLKm
16
11 CAP
12 Xtal1
13 VSSRF
14 RFCLKp
15 RSSI/RFCLKm
16
VDDRF
17
RFCLKd
18
TDO
19
RDI
20
SK
21
PD1/SIO
22
LE
23
P3[1]/PD1
24
P3[2]/PD2
25
P3[3]/PD3
26
P3[4]/PD4
27
TDOD/P3[5]/PD5
28
P3[6]/PD6
29
VSS
30
VDDIO
31
VDD
32
32:PCM_FSC/INT0n/P1[0]
33
P0[0]/UTX
34
P0[1]/URX
35
P0[2]/JTIO
36
P0[3]/SDA2
37
P0[4]/SCL2
38
P0[5]/SPICLK/PCM_CLK
39
P0[6]/SPIDO/PCM_DOUT
40
P0[7]/SPIDI/PCM_DIN
41
VSS
42
VDD
43
P2[3]/ADC1
44
P1[7]/CHARGE/INT7
45
RSTn
46
VBAT1
47
LDO1_CTRL
48
LDO2_CTRL
49
49:LDO1_Sense
50
A
VS2
51
A
VD2
52
CIDINn
53
LSRn/REF
54
LSRp/REF
55
RINGING
56
MICn/CIDOUT
57
VREFm
58
AG
N
D
59
MICp
60
CIDINp
61
P1[4]/INT4n
62
P1[3]/INT3n
63
ADC2
64
ADC0
C30
K0.1
R27
100K
(1005)
C22
K220P
(1005)
R38
150K
(1005)
C32
K0.022
(1005)
C38
K0.1
(1005)
Q2
Q3
R85
3.3K
(1005)
C28
K0.22
C11
K1.0
C7
K1.0
SW1 LOCATOR
C34
K0.1
(1005)
C37
K0.1
(1005)
C44
K0.1
(1005)
C39
K1.0
C65
K0.1
(1005)
C45 K0.1
(1005)
C48
K0.1 (1005)
K0.1 (1005)
R32
100
C27
D10P
(1005)
R24
100
C21
D10P
(1005)
R88
10K (1005)
R86
1K (1005)
R87
10K (1005)
C122
J100P (1608)
C123
J100P (1005)
D13
R132
10K
(1608)
R134
1K
(1608)
R135
10K
(1005)
R137
10K
(1005)
R136
10K
(1005)
C140
10P
J22P
C153
(1005)
C144
D10P
D10P
C156
(1005)
C2P
C155
(1005)
C163
D10P
(1005)
DA1
1
3
2
C143
D10P
ANT_1
1
RF_UNIT
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
D7P
C157
(1005)
C162
D10P
(1005)
C141
C3P
ANT_2
1
D10P
C154
(1005)
C159
C2P
(1005)
D10P
C158
(1005)
C161
C2P
(1005)
C160
D10P
(1005)
16V10
C5
R124
0
(1005)
R125
0
(1005)
R123
0
(1005)
R127
100
(1005)
C142
D10P
C151
K4.7
C173
D10P
(1005)
+2.5V
+2.5V
+2.5V
+2.5V
TP21
TP22
TP19
TP20
TP9
TP10
VDD1
VDD2
J101
J104
TP23
J103
J102
CLK
+3.3V
+3.3V
R119
270
R118
270
ANT
LINE_DC
L3
33nH
R117
1K
(1005)
J150P
C164
(1005)
K1000P
C136
(1005)
C138
NC
L4
0
Q6
K1.0
C135
(2125)
C6
D10P
J9
NC (2125)
NC
C166
(1005)
NC
C165
(1005)
C150
NC
C19
NC
C137
NC
C35
NC
C52
NC
C18
NC
C121
NC
(1005)
D10
NC
D5
NC
D18
NC
J11
NC
470
R116
(2125)
2.2K
R115
R122
NC
(1005)
R120
NC
R126
NC
(1005)
R121
NC
NC
R59
NC
R58
A_1
A_2
16V10
C4
+3.3V
C184
10P
C191
10P
C192
10P
C194
10P
C195
10P
NC
R50
L8
100nH
C199
10P
C145
10P
C134
NC
C149
10P
C203
10P
(1005)
C204
NC
(1005)
C130
10P
C208
10P
C207
10P
L9
C201
10P
(1005)
C198
10P
(1608)
C190
NC
C168
NC
C209
NC
C139
5.6nH
C133
8.2nH
K4700P
C215
C214
10P
(1005)
C193
10P
(1005)
1
RDY/BUSY
2
RESET
3
WP
4
NC
5
NC
6
NC
7
VCC
8
GND
9
NC
10
NC
11
NC
12
NC
13
CS
14
SCK
15
SI
16
SO
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
NC
29
NC
30
NC
31
NC
32
NC
R130
10K
(1608)
R133
330
(1608)
C197
10P
C196
10P
Q14
L10
100nH
R129
680
D17
C183
C7P
(1608)
C169
K0.1
Q12
R80
10
(3216)
R78
10K
R79
680
J10
0
C147
NC
C146
K0.1
C108
NC
(2125)
RSSI
TDO
RDI
SK
SIO
LE RESET
RD
Y
RDI
SIO
TDO
RFCLK
LE
SK
RSSI
RFCLK
RESET
RDY
RESET
RF Module
For TCD220/320
DC_IN
GND
JTAG
RX
TX
IC8
IC2
IC5
KX-TCD325 SCHEMATIC DIAGRAM (Base Unit)
107
KX-TCD325UA / KX-TCA132UA / KX-TCA130UA
40 SCHEMATIC DIAGRAM (HANDSET)
R20
1K
(1005)
J2
1
BATTERY-
J1
1
BATTERY+
F1
5.6nH
L1
47uH
R1
0.047
(2125)
D1
R3
F150K
R2
F82K
C1
4.0V330
Q2
Q3
R4
15K
C3
K0.1
J4
1
CHARGE-
J3
1
CHARGE+
R5
470
R6
10K
R7
220K
R9
5.6K
R11
F10K
R10
F18K
C4
D10P
LED4
GREEN
LED5
GREEN
LED6
GREEN
LED7
GREEN
R15
10
+3.65V
R21
1K
(1005)
GND
URX
UTX
*
T
ALK
8
0
MAIL
#
4
5
2
6
3
9
SOFT_A
1
SP
7
R43
0.1
(2125)
C40
6.3V10
C5
6.3V10
K0.1
C19
+2.5V
C57
6.3V330
R57
68
LED9
RED
R59
220
JT
A
G
R60
1K
R61
10K
R63
10K
R64
10K
Q1
G
S
D
L4
10uH
C73
K0.1
L5
10uH
TP10
TP11
TP12
Q4
D6
Q9
Q5
R72
1K
D7
J100P
C93
J100P
C94
R
C102
K1.0
+2.5V
+2.5V
BATTERY
Q17
Q18
VDDE
64K EEPROM
FLASH
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
R39
100K
R40
10K
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
9
NC
10
NC
11
WE
12
NC
13
NC
14
NC
15
NC
16
NC
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
28
OE
29
DQ0
30
DQ8
31
DQ1
32
DQ9
33
DQ2
34
DQ10
35
DQ3
36
DQ11
37
VDD
38
DQ4
39
DQ12
40
DQ5
41
DQ13
42
DQ6
43
DQ14
44
DQ7
45
DQ15
46
VSS
47
NC
48
A16
23
A2
24
A1
26
CE
27
VSS
25
A0
LEFT
UP
RIGHT
PUSH
DO
WN
INT
CLEAR
BAT
+2.5V
Q19
R136
110K
R137
10K
(1005)
TP20
TP21
R46
5.6K
R47
5.6K
C39
K1.0
C71
NC
(2125)
C74
K0.1
C137
NC
R81
39
R82
10
(1005)
D9
C139
NC
CS_LCD
WR
ROW0
ROW1
ROW2
COL1
COL2
COL3
COL4
SK
SIO
COL0
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ9
DQ1
DQ8
WR
CE_FLASH
RD
RD
DQ0
A17
A5
A8
A4
A18
A6
A3
A7
A2
A15
A13
A9
A16
A10
A11
A14
A12
A1
COL7
COL6
COL5
COL4
COL3
COL1
COL0
COL2
RO
W
1
RO
W
2
RO
W
0
A19
ST
OP_CHARGE
CHARGE
AVS_sense
ADC3
DC_I
DC_CTL
DC_sense
P3[5]
LDO1_CTRL
LDO1_sense
LDO2_CTRL
UTX
URX
JTAG
P3[6]
P3[7]
JTAG
URX
UTX
P3[6]
CE_FLASH
KEY BACKLIGHT
IC10
IC11
3.0V (Talk)
3.3V (Stand-by)
3.3V (Stand-by)
Charge Current
(When on charge)
115kHz (TALK mode)
1S
+2.5V
+1.8V
(5)
(3)
(4)
(2)
(1)
(10)
(11)
(11)
(12)
(9)
(8)
(7)
(6)
NC : No Components
108
KX-TCD325UA / KX-TCA132UA / KX-TCA130UA
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