Panasonic KX-TCD205RU / KX-TCD207RU / KX-TCA120RU Service Manual ▷ View online
Q4
10P
C36
(1608)
100K
R23
50V10
C49
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)
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
C108
NC
C109
K1.0
(1608)
100K
R71
470K
R72
R84
100
R64
1K
R55
1K
(1005)
C76
K0.01
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
AVS2
51
AVD2
52
CIDINn
53
LSRn/REF
54
LSRp/REF
55
RINGING
56
MICn/CIDOUT
57
VREFm
58
AGND
59
MICp
60
CIDINp
61
P1[4]/INT4n
62
P1[3]/INT3n
63
ADC2
64
ADC0
C30
K
0.1
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
K
0.1
(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
10K
(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
SYDA
14
SYCL
15
GND
16
RX_DATA
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
C169
NC
C18
NC
C121
NC
(1005)
D10
NC
D17
NC
D5
NC
D18
NC
J11
NC
470
R116
(2125)
2.2K
R115
R122
NC
(1005)
R120
NC
R126
NC
(1005)
R129
NC
R133
NC
(1005)
R121
NC
R130
NC
(1005)
NC
R59
NC
R58
Q14
NC
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)
C197
NC
C130
10P
C208
10P
C207
10P
L9
C183
NC
(1608)
C201
10P
(1005)
C198
10P
(1608)
C190
NC
C168
NC
C209
NC
C196
NC
C139
5.6nH
C133
8.2nH
K4700P
C215
C214
10P
(1005)
C193
10P
(1005)
L10
NC
NC
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
Q12
R80
10
(3216)
R78
10K
R79
680
J10
0
K0.1
C50
2.2K
R44
820
R54
(1005)
C146
K0.1
C147
NC
RSSI
TDO RDI SK SIO LE RESET
RDY
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-TCD205/207 SCHEMATIC DIAGRAM (BASE UNIT)
NC : No Components
RX_AF
Loop Current
Bell signal
TX_AF
TX DATA
RX DATA
2.5V
+1.8V
+2.5V
2.5Vp-p
10.368MHz
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(13)
(14)
(15)
(16)
BBIC
97
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
39 SCHEMATIC DIAGRAM (HANDSET)
C99
NC
(1005)
+1.8V
9
C97 D10P
R20
1K
INT
K0.1
C23
(1005)
C82
NC
(2125)
L4
10uH
BATTERY
R93
NC
(1005)
K0.1
C24
(1005)
UTX
VDD3
D1
C4
D10P
R81
4.7
(2125)
8
IC1
1 INT1n/P1_1
2 VDDIO
3 VDD
4 VSS
5 LED1/PWM0/P2_0
6 LED2/PWM1/P2_1
7 LED3
8 LED_BIAS/P3_6/PD6
9 SDA1/P2_5
10 SCL1/P2_4
11 INT5n/VDDE/P1_5
12 INT2n/P1_2
13 AVD
14 AVS
15 CAP
16 Xtal1
17 VSSRF
18 RFCLKp
19 RSSI/RFCLKm
20 VDDRF
21
RFCLKd
22
TD
D
23
RD
I
24
SK
25
PD1/SIO
26
LE
27
P3_1/PD1
28
P3_2/P2D
29
VSSPA
30
PAOUTm
31
VDDPA
32
PAOUTp
33
VSSPA
34
P3_3/PD3
35
P3_4/PD4
36
TDOD/P3_5/PD5
37
VSS
38
VDDIO
39
VD
D
40
40:PCM_FSC/INT0n/P1_0
41
P0_0/UT X
42
P0_1/RTX
43
P0_2/JTIO
44
P0_3/SDA2
45
P0_4/SCL2
46
P0_5/SPICLK/PCM_CLK
47
P0_6/SPIDO/PCM_DOUT
48
P0_7/SPIDI/PCM_DIN
49
VSS
50
VDD
51
P2_3/ADC1
52
P1_7/CHARGE/INT7
53
RSTn
54
DC_stab
55
DC_I
56
DC_CTRL
57
DC_sense
58
VBAT1
59
LDO1_CTRL
60
LDO2_CTRL
61
61:P1_6/PON/INT6
62
62:P2_6/stop_charge
63
63:LDO1_Sense
64
AVS2
65
AVD2
66
LSRn/REF
67
LSRp/REF
68
MICn
69
VREFm
70
VBU
F
71
AGND
72
MICp
73
VREFp
74
P3_0
75
P1_4/INT4n
76
P1_3/INT3n
77
P2_2/CLK100
78
78:AVS_sense
79
ADC3
80
ADC0
C34
K1.0
J4
1
CHARGE-
CLEAR
C30
K1.0
URX
C58 K0.1
R87
180
(1005)
IC3
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
C121
K1000p
Q3
BAT
R63
10K
(1005)
RIGHT
R72
1K
(1005)
C71
D10P
(1005)
X1
10.368MHz
Q1
G
S
D
REDIAL
Q10
1
R88
180
(1005)
C104
K1.0
K0.1
C72
(1005)
C5
6.3V10
J100P
C113
J100P
C107
TP21
R82
100
JTAG
+2.5V
K0.1
C120
(1005)
R64
10K
(1005)
C57
6.3V330
VDD1
C96
NC
(1005)
J100P
C93
(1005)
VDD2
7
J100P
C112
(1005)
C41
NC
C40
6.3V10
L8
0
(2125)
GND
*
D10P
C91
(1005)
R57
68
C35
K1.0
F1
5.6nH
C33
K1.0
+2.5V
5
C1
4V330
6
L1
47uH
2
R73
100K
Q9
R61
1K
(1005)
C115
D10P (1005)
+1.8V
R91
100K
(1005)
R60
100 (1005)
C8 K0.22
R1
0.1R/0.1W
(2125)
C98
K4.7
C18
K1000P
(1005)
K0.1
C21
(1005)
K0.1
C119
(1005)
Q2
R
C52
K0.1
J2
1
BATTERY-
R89 180
(1005)
UP
Q11
C108
D10P
(1005)
R6
10K
(1005)
S1
POWER
D7
0
+2.5V
4
L5
10uH
C32
K1.0
C27
K1.0
+1.8V
3
R83
0
(2125)
J100P
C94
(1005)
R5
470
D6
R43
0.1R/0.1W
(2125)
C3
K0.1
(1608)
R69 F820K
Q4
DOW
N
K0.1
C20
(1005)
K0.1
C68
(1005)
TALK
TP20
J100P
C111
(1005)
R21
1K
C114
D10P (1005)
SOFT_A
C39
K1.0
+2.5V
J5
1
RS
2
CSB
3
SI
4
SCL
5
VDD
6
V4
7
V3
8
V2
9
V1
10
V0
11
VR
12
VOUT
13
CAP2-
14
CAP2+
15
CAP1-
16
CAP1+
17
VSS
18
RESTEB
R94
NC
(1005)
POWER
K0.1
C19
(1005)
LEFT
Q5
NC
C102
(1005)
J3
1
CHARGE+
R39
10K
(1005)
R47
5.6K
#
C31
K1.0
R7
220K
(1005)
C28
K1.0
R65
NC
R95
0
K0.1
C37
(1005)
J1
1
BATTERY+
R46
5.6K
R96 10K
(1005)
MAIL
SOFT_C
R12
39K
K0.1
C22
(1005)
R70
F430K
R90
680K
C6
D8P
C7
J15P
R19
5.6M
K0.01
C118
R40
10K
(1005)
NC
D9
C122
D10P
(1005)
R92
NC
R99
NC
(1005)
R100
NC
(1005)
R101
0
(1005)
DC_CTL
STOP_CHARGE
DC_I
COL2
ROW
0
ADC3
ROW3
ROW1
COL3
AVS_sense
ROW2
STOP_CHARGE
URX
COL4
UTX
LCD_CSB
JTAG
LCD_SCL
CHARGE
LCD_SI
COL5
LCD_SI
LCD_SCL
LCD_CSB
LCD_RS
LCD_RS
RESET
JTAG
CHARGE
SIO
ROW3
URX
DC_I
UTX
DC_CTL
LDO1_CTRL
SK
ROW1
LDO2_CTRL
TDO
ROW
0
ROW
2
LE
LCD_RESET
RDI
AVS_sense
COL1
RSSI
ADC3
COL2
COL0
COL5
LCD_RESET
COL4
COL3
LDO2_CTRL
COL1
LDO1_CTRL
COL0
RFCLK
BBIC
(5)
(3)
(4)
(4)
(2)
(1)
(6)
(7)
(7)
NC : No Components
EEPROM
115kHz (TALK mode)
(When on charge)
1S
+3.3V
+2.5V
25mV p-p
0V
0.7V
TX DATA
RX DATA
Charge Current
98
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
TP22
C103
D10P
D10P
C51
(1005)
R59
0
(1005)
2.2K
R29
A201
R85
33
(1005)
R38
0
K1000P
C84
(1005)
C12
K1.0
C59
NC
(2125)
C61
NC
C66
D10P
J22P
C62
(1005)
D5
4.7M
J150P
C53
(1005)
C2P
C55
(1005)
D10P
C70
C109
D10P
(1005)
BATTERY
C10
K0.1
ANT
R97
1K
C64
NC
(2125)
CN6
RFmodule
1 GND
2 ANT2
3 VCCPA
4 GND
5 GND
6 VCC_OC
7 GND
8 RSSI
9
SYRI
10
GND
11
GND
12
SYEN
13
SYDA
14
SYCL
15
GND
16
RX_DATA
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
D10P
C54
(1005)
D4
4.7M
TP23
R55
NC
(1005)
BUZZER
R84
3.3
(3216)
CLK
C17
D10P
C50
D10P
(1005)
REV_TEST2
-
C60
K4.7
R37
0
C46
D10P
(1005)
D10
C47
C2P
(1005)
+2.5V
C65
NC
R26
330
(1005)
R25
330
(1005)
REV_TEST1
+
MIC
+3.3V
C48
D10P
(1005)
C49
C2P
(1005)
NC
C67
(1005)
C87
D10P
R54
0
(1005)
D10P
C44
(1005)
D10P
C75
C63
K4.7
R62
NC
(1005)
D10P
C69
R75
1K
(1005)
Q12
K1000P
C45
(1005)
C123
NC
R86
33
(1005)
R98
0
C95
D10P
(1005)
C15 NC
(1005)
RSSI
RFCLK
RESET
RDI
TDO
LE
SIO
SK
(5)
(3)
(4)
(4)
(2)
(1)
(6)
(7)
(7)
KX-TCA120 SCHEMATIC DIAGRAM (HANDSET)
NC : No Components
2.5V
0V
10.368MHz
TX DATA
RX DATA
TX-AF
1.0V DC supply to MIC
RX_AF
(Handset)
(Handset)
99
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
40 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
100
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
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