Panasonic KX-TCD806UAT / KX-TCA180UAT Service Manual ▷ View online
+8V
+1.8V
+2.5V
+2.5V
+2.5V
+2.5V
+2.5V
+3.3V
+3.3V
C48
K0.1u(1005)
C192
(
)
J150p
C164
(1005)
C143
D10p
C149
D10p
C194
(
)
K1000p
C136
(1005)
C138
( )
NC
C162
D10p
(1005)
C195
NC
(
)
K4700p
C215
C141
C3p
C168
NC
(
)
C142
D10p
C28
K0.22u
K1u
C46
(2125)
D10p
C154
(1005)
C144
D10p
C151
K4.7u
K0.056u
C47
C159
C2p
(1005)
D10p
C156
(1005)
D10p
C158
(1005)
K0.1u
C50
C2p
C155
(1005)
C199
(
)
C161
C2p
(1005)
C122
J100p
(1005)
C163
D10p
(1005)
K2.2u
C40
(2125)
C160
D10p
(1005)
K0.1u
C24
(1608)
C123
J100p
(1005)
C145
D10p
C166
(1005)
(
)
NC
C165
(1005)
(
)
NC
C121
(1005)
(
)
NC
C150
(
)
NC
C137
( )
( )
NC
C146
(
)
NC
C52
(
)
NC
C169
27 1/2W
R46
(4532)
R64
1K
470
R116
(2125)
R55
1K
(1005)
R124
0
(1005)
18
R39
2.2K
R115
R125
0
(1005)
R119
270
8.2K
R43
820
R54
R118
180
100K
R71
2.2K
R44
470
R52
470
K
R72
100K
R47
R85
3.3K
(1005)
47K
R48
R88
10K
(1005)
R86
1K
(1005)
56
R49
R87
10K
(1005)
12 1/2W
R45
(4532)
27K
R42
R84
100
R117
1K
(1005)
R121
( )
( )
NC
R120
( )
NC
NC
R130
R59
(
)
NC
R58
(
)
NC
R126
(1005)
(
)
NC
L4
0
L3
50V10u
C49
C108
(2125)
C109
K1u
(2125)
Q8
16V10u
C5
30V
D4
DA
1
RE1
1
2
3
J22p
C153
D7
p
C157
(
)
D10
ANT_2
ANT_1
ANT
A_2
A_1
C201
D10p
CLK
J101
J104
TP23
J103
J102
TP9
TP10
VDD1
(
)
D18
NC
(
)
D5
D13
SW1
C130
( )
C214
(
R127
100
(1005)
C217
(
)
NC
R135
R132
10K
(1005)
1 GND1
2 ANT2
3 VCCPA
4 GND2
5 GND3
6 VCC_OC
7 GND4
8 RSSI
9 SYRI
2 ANT2
3 VCCPA
4 GND2
5 GND3
6 VCC_OC
7 GND4
8 RSSI
9 SYRI
IC2
RF Module
10 GND5
11
GND6
12
SYEN
13
SYDA
14
SYCL
15
GND7
16
RX_DATA
17
GND8
18
TXDA
19
GND9
20
RESET
21
ANT1
22
GND10
23
GND11
24
GND12
25
GND13
26
GND14
27
GND15
28
GND16
29
GND17
30
GND18
31
A_1
32
GND19
D20
K1u
C135
(2125)
C140
C2p
D10p
C57
C134
D10p
L10
4.7n
L11
15n
D10p
C265
(
)
NC
C266
IC5
1
RDY/BUSY
2
RESET
3
WP
4
NC4
5
NC5
6
NC6
7
VCC
8
GND
9
NC9
10
NC10
11
NC11
12
NC12
13
CS
14
SCK
15
SI
16
SO
17
NC17
18
NC18
19
NC19
20
NC20
21
NC21
22
NC22
23
NC23
24
NC24
25
NC25
26
NC26
27
NC27
28
NC28
29
NC29
30
NC30
31
NC31
32
NC32
L12
8.2n
(
)
L13
NC
R134
1K
K0.01u
C41
(1608)
R51
0
R50 D10p
(
)
C196
NC
NC
C310
D10p
C316
R133
C147
Z0.1u
D10p
C317
Q2
Q3
Q6
15
R161
C197
C76
TDO
RFCLK
LE
RSSI
RESET
RDI
SK
SIO
RESET
RDY
DC_IN
GND
JTAG
RX
TX
2.5Vp-p
0V
10.368MHz
KX-TCD806 SCHEMATIC DIAGRAM (BASE UNIT)
NC : No Components
NC
K0.01u
NC
(1005)
NC
C3p
NC
(
)
(1005)
(1005)
NC
( )
(1005)
(1005)
( )
10K
C183
D10p
(1)
(2)
(3)
(5)
(4)
(6)
(7)
(8)
(9)
(10)
(11)
(11)
(12)
(13)
Loop Current
TX_AF
RX_AF
RX DATA
TX DATA
3.3V
89
KX-TCD806UAT / KX-TCA180UAT
34 SCHEMATIC DIAGRAM (HANDSET)
AG
+3.0V
+1.8V
+4.0V
+4.0V
+3.0V
+1.8V
+1.8V
+3.0V
+3.0V
C16 K0.1u
C56
D10p
C7
D10p
C38
K470p
C6
( )
NC
K0.1u
C20
C4
D10p
K0.1u
C21
K0.1u
C24
D10p
C92
K0.1u
C22
C3
K0.1u
C76
(
)
NC
K0.1u
C19
C78
(
)
NC
J100p
C93
C79
(
)
NC
J100p
C94
C95
(2125)
(
)
NC
C13
K0.1u
D10p
C77
C18
K1000p
D10p
C75
C109
K0.1u
R9
5.6K
R11
F10K
R21
1K
R10
F24K
R20
1K
R72
1K
R25
330
R4
15K
R29
2.2K
R60
1K
10
R80
R71
100K
R61
10K
R63
10K
R64
10K
R5
470
R35
27K
R57
68
R6
10K
R7
220K
L4
L5
D1
C40
6.3V10u
C57
6.3V330u
C5
6.3V10u
Q3
Q10
F1
Q1
S
G
D
Q2
D8
IC2
1
CD
2
+VREF
3
+VIN
4
-VIN
5
VOUT1
6
V+
7
GND
8
VOUT2
MIC
1 HSMIC(+)
2 HSMIC(-)
D5
Q4
D7
D6
Q5
TP10
TP11
TP16
TP12
Q9
D4
C8
K0.22u
+1.8V
BATTERY+
BATTERY-
CHARGE+
CHARGE-
R47
5.6K
R46
5.6K
C39
K1u
Q18
+3.0V
Q19
R153
10K
C1
4V330u
R152
F180K
R43
0.1 1/8W
C80 K2.2u
21-25
R74
1
C86
K1u
C15
K1u
R36
47K
C11
(
)
NC
C27
(
)
NC
C28
(
)
NC
C127
NC
( )
( )
C128
NC
SW1
1
2
3
4
5
6
R1
47m
+4.0V
BAT
+3.0V
+BAT
CN9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
10K
R95
R2
F68.0K
SP_TEST2
SP_TEST1
UTX
URX
GND
JTAG
100
R58
R83 1K
C66
J22p
R82 1K
C65
J22p
R81 1K
C64
J22p
+3.0V1
R2010
(
)
C130
R202 0
( )
C132
C58
K1u
39
R55
39
R56
REV_TEST1
REV_TEST2
100
R179
K0.1u
C34
R50
10K
R12
39K
D10p
C90
(1005)
K1000p
C35
(1005)
J100p
C36
(1005)
R26100
(1005)
D10p
C91
(1005)
J33p
C17
(1005)
D10p
C14
(1005)
R37 33
(1005)
R38
33
(1005)
C68
K0.068u
(1005)
C37
K0.068u
(1005)
J22p
C157
J22p
C158
J22p
C159
J22p
C160
J22p
C161
J22p
C162
J22p
C163
J22p
C164
TP17
TP18
TP19
TP20
( )
C72
NC
C10
K0.1u
C12
K1u
K0.1u
C23
C61 K0.1u
L6
22nH
R17
560
1000
RA2
1
2
3
4
2
3
4
5
6
7
8
1000
RA1
1
2
3
4
2
3
4
5
6
7
8
5.6
R8
(1005)
0
R62
IC1
BBIC
1
VDDIO-
2
VSS-2
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-16
17
VSS-17
18
RFCLK
19
VDDRF
20
VSSRF
21
XTAL1
22
CAP
23
AVS
24
AVD
25
RSSI
26
RDI
27
CMPREF
28
TDO
29
AD15
30
AD16
31
AD17
32
AD18
33
AD19
34
AD20
35
AD21
36
AD22
37
AD23
38
LE
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-55
56 VSS-56
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
59 ACS1/DREQ1n/INT2n/P1[2]
60 ACS0
61 ACS2/DACK1n/INT3n/P1[3]
62 HOLDn/INT4n/P1[4]
63 VDDE/HOLDACKn/INT5n/P1[5]
64 BE1n
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-55
56 VSS-56
57 DREQ0n/INT0n/P1[0]
58 DACK0n/INT1n/P1[1]
59 ACS1/DREQ1n/INT2n/P1[2]
60 ACS0
61 ACS2/DACK1n/INT3n/P1[3]
62 HOLDn/INT4n/P1[4]
63 VDDE/HOLDACKn/INT5n/P1[5]
64 BE1n
65
BE0n
66
SCL2/P3[0]
67
SDA2
68
DAB0
69
DAB8
70
DAB1
71
DAB9
72
DAB2
73
DAB10
74
DAB3
75
DAB11
76
VSS-76
77
VDD-77
78
VDDIO-78
79
P2[0]/PWM0/SPIDI
80
P2[1]/PWM1/SPICLK
81
P2[2]/ADC0/CLK100
82
P2[3]/ADC1
83
P2[4]/SCL1
84
P2[5]/SDA1
85
DAB4
86
DAB12
87
DAB5
88
DAB13
89
DAB6
90
DAB14
91
DAB7
92
DAB15
93
P2[7]/DC_CTRL/SPIDO
94
DC_I
95
P1[6]/PON/INT6n
96
P1[7]/CHARGE/INT7n
97
P2[6]/stop_charge
98
VBAT3/RINGING
99
DC_stab
10
0
DC_Sense
10
1
AVS_sense
102
ADC3
103
LDO1_Sense
104
LDO1_CTRL
105
LDO2_CTRL
106
VBAT2
107
VBAT1
108
AVS2
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
R19
3.3M
D10p
C165
(1005)
D10p
C166
(1005)
D10p
C167
(1005)
D10p
C169
(1005)
LED
8
X1
10.368MHz
R3
F160K
22nH
L7
D5p
C135
C129 D5p
C136 K0.1u
(1005)
L1
22uH
(
)
R59
NC
(3216)
R15
27
C133
K0.01u
(
)
C60
(1005)
NC
(
)
C87
(1005)
NC
(
)
C89
(1005)
NC
D1
4
D1
5
P3[6]
P3[4]
P3[6]
RD
COL4
COL3
COL2
COL1
COL0
COL3
COL2
COL1
COL0
CE_FLASH
CS_LCD
CS_LCD
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A6
A5
A4
A3
A2
A1
COL5
COL6
COL7
COL3
COL4
ROW2
ROW0
ROW1
ROW1
ROW2
ROW1
ROW0
COL3
COL2
COL1
COL6
COL4
COL0
COL7
ROW2
COL5
A12
A13
A14
P3[4]
RFCLK
RSSI
RDI
TDO
A15
A16
A17
A18
A19
LE
SK
WR
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
COL6
COL7
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15
SIO
COL5
PUSH
kEY_BL
Key-BL
NC : No Components
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(14)
(15)
(16)
(17)
(18)
(19)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(27)
(28)
(29)
(29)
(30)
(3)
(4)
(4)
(2)
(1)
TALK (Back light OFF : 3.35V)
SP-Phone
ON: 3.0V
OFF: 0V
ON: 3.0V
OFF: 0V
115kHz (TALK
mode)
mode)
25mV p-p
0V
0.7V
When ON charge
1sec
90
KX-TCD806UAT / KX-TCA180UAT
+4.0V
+3.0V
C115
K4.7u
C122
K0.01u
C119
K4.7u
C85
(
)
NC
C9
K0.068u
C84
(
)
NC
Z10u
C42
C121
(
)
(
)
NC
C116
(
)
NC
R117
1K
R75
R24
470K
CN4
1
2
3
4
5
3
4
5
Q16
CLK
A201
(
)
C114
NC
C120
NC
R121
0
(
)
R122
NC
C44
D10p
R128
390
R127
82
C46
D10p
C54
D10p
C48
D10p
C50
D10p
C51
D10p
C47
C2p
C55
C2p
C49
C2p
(
)
C126
NC
C53
J150p
C117
J22p
C83
K1000p
R118
47
R119
47
R120
47
C30
K1u
C45
K1000p
R73
470K
+2.5VRF
R76
1K
C3p
C125
CN5
1
NC
2
LED_K
3
LED1_A
4
LED2_A
5
LED3_A
6
RD
7 WR
8
D/C
9
RES
10 CS
11 VSS
12 VDD
13 DQ15
14 DQ14
15 DQ13
16 DQ12
17 DQ11
18 DQ10
19 DQ9
20 DQ8
21 DQ7
22 DQ6
23 DQ5
24 DQ4
25 DQ3
26 DQ2
27 DQ1
28 DQ0
29 NC
30 NC
+BAT
L2
(
)
NC
+3.0V
+3.0V
K0.1u
C149
100K
R174
(1005)
10K
R176
(1005)
680K
R177
(1005)
10K
R178
(1005)
100K
R175
(1005)
IC20
RF Module
1
GND1
2
ANT2
3
VCCPA
4
GND2
5
GND3
6
VCC_OC
7
GND4
8
RSSI
9
SYRI
10
GND5
11
GND6
12
SYEN
13
SYDA
14
SYCL
15
GND7
16
RX_DATA
17
GND8
18
TXDA
19
GND9
20
RESET
21
ANT1
22
GND10
23
GND11
24
GND12
25
GND13
26
GND14
27
GND1
5
28
GND1
6
29
GND1
7
30
GND1
8
31
A_1
32
GND1
9
R124
10K
R126
10K
R130
10K
R123
2.2K
R125
2.2K
R129
2.2K
IC18
1
VOUT
2
VIN
3
NC
3
4
VOUT_SENSE
5
GND
6
BYPASS
7
VEN
8
NC8
330
R204
R170
100
R171 100
R172 100
R154 100
R155 100
R156 100
R157 100
R158 100
R159 100
R160 100
R161 100
R162 100
R163 100
R164 100
R165
100
R166 100
R167 100
R168 100
100
R169
10K
R203
C41
J100p
K1000p
C31
K1000p
C150
K1u
C63
C43
D10p
( )
C32 NC
R34
100K
(1005)
+1.8V
68K
R44
(1005)
68K
R45
(1005)
Q11
R28
2.2K
(1005)
Q6
+3.0V
R173 100
C26
K0.1u
Q20
Q21
IC21
FLASH
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
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
CE
27
VSS
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
IC22
EEPROM
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
D13
5.1V
D12
5.1V
D10p
C151
(1005)
(1005)
(
)
R180
NC
J100p
C59
(
)
C102
K1u
2.
2
R205
+4.0V
C118
K1u
(1608)
+3.0V
J33p
C33
K0.1u
C171
K0.1u
C172
27
R32
27
R31
220
R78
(1005)
(
)
C88
NC
( )
R198
NC
( )
R197
NC
( )
R196
NC
( )
R195
NC
( )
R194
NC
( )
R193
NC
( )
R192
NC
( )
R191
NC
( )
R190
NC
( )
R189
NC
( )
R188
NC
( )
R187
NC
( )
R186
NC
( )
R185
NC
( )
R184
NC
( )
R183
NC
( )
R182
NC
( )
R181
NC
( )
R207
NC
1K
R206
(1005)
R66 330K
SIO
LE
RDI
SK
RFCLK
RSSI
DQ 0
DQ 1
DQ 2
DQ 3
DQ 4
DQ 5
DQ 6
DQ 7
A15
A14
A13
A12
A11
A10
A9
A14
A13
A12
A11
A10
A9
A19
A18
A8
A7
A6
A5
A4
A3
A2
A18
A8
A7
A6
A5
A4
A3
A2
DQ15
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
DQ9
DQ1
DQ8
DQ0
CS_LCD
A1
RD
A16
A17
WR
CE_FLASH
RD
DQ 8
DQ 9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
WR
TDO
HEADSET JACK
KX-TCA180 SCHEMATIC DIAGRAM (HANDSET)
NC : No Components
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(14)
(15)
(16)
(17)
(18)
(19)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(27)
(28)
(29)
(29)
(30)
(3)
(4)
(4)
(2)
(1)
TX_DATA
RX_DATE
3.0V
0V
10.368MHz
91
KX-TCD806UAT / KX-TCA180UAT
35 SCHEMATIC DIAGRAM (HANDSET_OPERATION)
+3.0V
LED
4
LED
5
LED
6
LED
7
S1
POWER
R
SOFT_C
SP
INT
CLEAR
SOFT_A
TALK
3
2
1
9
8
7
#
0
*
4
6
5
CN10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
2ROW0
2COL2
2COL1
2COL0
2COL6
2COL4
2COL3
2ROW2
2ROW0
2ROW2
2COL7
2ROW1
2COL7
2COL1
2COL2
2COL4
2COL3
2COL0
2COL5
2ROW1
2COL6
2COL5
2COL5
KX-TCD180 SCHEMATIC DIAGRAM (Handset_Operation)
92
KX-TCD806UAT / KX-TCA180UAT
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