Panasonic KX-TCD566RUS / KX-TCA158RUS Service Manual ▷ View online
37 FOR SCHEMATIC DIAGRAM
37.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. This schematic diagram may be modified at any time with the development of new technology.
37.2. Handset (SCHEMATIC DIAGRAM (HANDSET))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
37.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. This schematic diagram may be modified at any time with the development of new technology.
97
KX-TCD566RUS / KX-TCA158RUS
38 SCHEMATIC DIAGRAM (BASE UNIT)
Q4
K0.022
C12
100K
R23
22k
R17
CN1
TEL_JACK
1
2
3
4
5
6
220R
R9
C3
100R
R8
TP19
2.2K
R28
K0.022
C13
Q5
C2
10K
R26
IC1
3
ADJ
2
VOUT
1
VIN
4
VOUT
TP5
5.6k
R25
TP4
22k
R16
C19
N.M.
TP7
R4
R5
TP24
560p
C17
TP12
+4.0V
N.M.
D2
Q1
N.M.
N.M.
RLY1
N.M.
1
2
3
4
7
8
9
10
10u/16V
10u/16V
330u/6.3V
100u/16V
C11
5K6
R22
560p
C22
5.6K
R27
100R
R29
0.1u
C20
Q3
Q2
R12
5.6K
R15
15K
+3.0V
+1.8V
+7.8V
C7
D1
J1
(21-25)
J2
(21-25)
J3
(21-25)
J4
(21-25)
N.M.
J5
J7
N.M.
J6
N.M.
N.M.
C4
C5
N.M.
C6
N.M.
C10
N.M.
R13
56K
R14
24K
C18
N.M.
C9
N.M.
C8
4p
R24
100R
C21
10p
R32 100R
C27
10p
IC6
NC
NC
1
Vss
2
CLE
3
ALE
4
WE
5
WP
6
7
8
9
10
11
12
13
N.C
14
N.C
15
N.C
16
N.C
17
N.C
18
I/O0
19
I/O1
20
I/O2
21
I/O3
22
Vss
23
Vcc
24
I/O4
25
I/O5
26
I/O6
27
I/O7
28
29
30
31
32
33
34
35
36
37
38
39
40
GND
41
R/B
42
RE
43
CE
44
Vcc
C67
1u
C68
1u
NC
C79
(32-26)
Q12
N.M.
NC
C81
NC
L2
R82
0
(21-25)
TP20
NC
C77
(32-16)
NC
C78
NC
R76
(21-25)
NC
R80
(32-16)
NC
R79
NC
R78
NC
R77
(21-25)
CN2
DC_JACK
2
-
1
+
TP15
D3
IC7
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
R105
10k
IC8
NC
1
1A
2
1B
3
2Y
4
GND
5
2A
6
2B
7
1Y
8
VCC
C66
NC
R106
27k
R107
27k
C101
6800p
C102
6800p
C103
NC
TP11
Q13
NC
NC
R108
10k
R109
NC
L6
33u
L7
33u
SA1
R6
NC
NC
NC
NC
NC
R10
47K
C110
0.01u
R11
N.M.
TP21
TP22
TP14
TP9
C1
10p
C114
1p
C107
R67
5.6M
100K
R69
100K
R70
N.M.
J8
C119
2.2u
TP49
D6
C125
N.M.
R114
5.6k
C126
100p
C127
100p
C74
10n
C80
470n
R81
12K
D14
3.9V
D15
3.9V
C75
10n
R68
5.6M
DAB0
DAB1
DAB2
DAB3
DAB4
DAB5
DAB6
DAB7
P3[6]
CLE
ALE
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD17
AD7
AD6
AD5
AD4
AD3
AD2
AD1
DAB0
DAB8
DAB1
DAB9
DAB2
DAB10
DAB3
DAB11
DAB4
DAB12
DAB5
DAB13
DAB6
DAB7
RE
ACS0
WE
RE
WE
ACS1
R/B
DAB15
DAB14
AD0
AD16
OPTION4
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(14)
(15)
(16)
(17)
(18)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
: No Components
Line Voltage
48V DC (When ON-Hook)
10V DC (When OFF-Hook)
48V DC (When ON-Hook)
10V DC (When OFF-Hook)
10V DC (When OFF-Hook)
0V DC (When ON-Hook)
0V DC (When ON-Hook)
RX_AF (When ON-Hook)
Caller ID, Bell Signal
Caller ID, Bell Signal
0V (When ON-Hook)
+0.7V (When OFF-Hook)
+0.7V (When OFF-Hook)
3.0V DC
1.8V DC
4.0V DC
7.8V
3.9V
2.9V
3.9V
0V
0V
3.1V
Bell Signal
Caller ID at ON-HOOK
98
KX-TCD566RUS / KX-TCA158RUS
4700p
C36
10u/50V
C49
IC3
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
820R
R54
Q8
27K
R42
0R
R52
0.1u
C24
C35
N.M.
8.2K
R43
1.8k
R44
100K
R47
47K
R48
1u/10V
C46
C52
NC
0.22u
C47
56R
R49
12R
R45
C40
27R
R46
CN6
DC_IN
1
CN7
TX
1
CN8
GND
1
56R
R39
0.22u
C41
TP26
TP31
R34
0R
C43
12p
R56
10K
R57
10K
C42
30p
C30
0.068u
0.1u
C37
1u
C39
0.1u
C44
1u
C33
0.1u
C45
CN4
DB111G
+5.5V
R59
10k
10k
Q6
N.M.
N.M.
R31
N.M.
R35
TP29
N.M.
C31
N.M.
R37
N.M.
R36
C25
N.M.
0.1u
C48
1u
C34
C28
0.22u
C51
100p
SW1
R40
N.M.
0.1u
C53
L1
4.7u
C63
33p
Q10
R62
1K
D5
C60
100p
R65
39R
DA1
1
3
2
C64
27n
C59
5p
C62
3p
R60
22R
R61
22R
C57
10p
C58
10p
ANT1
1
ANT2
1
IC2
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
AVS
24
AVD
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]
73
DAB10
74
DAB3
75
DAB11
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]/SDA1
85
DAB4
86
DAB12
87
DAB5
88
DAB13
89
DAB6
90
DAB14
91
DAB7
92
DAB15
93
P2[7]/DC_CTL
94
DC_I
95
P1[6]/PON/INT6n
96
P1[7]/CHARGE/INT7n
97
P2[6]/stop_charge
98
VBAT3/RINGING
99
DC_stab
100
DC_sense
101
AVS_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
DAB2
71
DAB9
70
DAB1
69
DAB8
68
DAB0
67
SDA2
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
C65
0.1u
C71
2p
IC4
5 RSSI
6 VCC_OC
7 GND
8 SYCL
9 SYDA
6 VCC_OC
7 GND
8 SYCL
9 SYDA
10 SYEN
11 GND
12
RXDSG
13
SYRI
14
GND
15
GND
16
GND
17
GND
18
GND
19
GND
20
RXDA
21
GND
22
GND
23
GND
24
PSEL
25
PAON
26
GND
27
VCC_PA
28
GND
29
GND
30
GND
31
GND
32
GND
33
RF1
34
GND
GND
1
GND
2
GND
3
TXDA
4
X1
10.368MHz
CN9
JTAG
1
CN10
RX
1
R87
10K
L3
33N
NC
C85
NC
C86
NC
C83
C84
2p
R86 10K
R88
10K
10K
R85
0
R91
180
R92
180
C72 5600P
C82
2p
TP18
TP16
Q7
N.M
.
R101
10K
C100
10p
0.082u
C38
R100
10K
C73
4.7u
C104
6P
100k
R38
R111
N.M.
TP40
TP41
TP42
TP43
TP44
TP45
TP46
TP47
TP48
C108
2.2u/10V
2.2u/10V
C109
1u/10V
TP17
0.022u
C32
R33
N.M.
NC
C111
NC
C112
R112
0
D7
4.7V
D8
4.7V
D9
4.7V
C105
10P
NC
C115
NC
D10
470k
R72
D11
D12
D13
+3.0V
+3.0V
C113
1000p
R113
22k
C55
22p
2.2K
R53
10k
R51
R84
1k
R64
1k
R55
1k
C121
100p
C122
100p
C123
100p
C54
4.7u
C128
100p
C120
10p
10p
C131
C129
10p
C130
56p
Q9
10R
R50
NC
C50
100K
R71
100n
C76
D4
RFCLK
RSSI
RDI
TDO
LE
SO
SK
DAB7
DAB6
DAB5
DAB4
DAB3
DAB2
DAB1
DAB0
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD1
AD2
AD3
AD4
AD5
AD6
AD7 AD8 AD9 AD10 AD11 AD12 AD13
AD14
RE
WE
ACS0
ALE
CLE
ACS1
RXDSG
PAON
ANT2
ANT1
RFCLK
AD17
DAB8
DAB9
DAB10
DAB11
DAB12
DAB13
DAB14
DAB15
P3[6]
ANT2
PAON
RDI
RXDSG
LE
SO
SK
ANT1
TDO
R/B
RSSI
AD16
AD15
C1p
C230
C0.5p
C240
NC
C231
NC
C232
K1000p
C220
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(14)
(15)
(16)
(17)
(18)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
: No Components
KX-TCD566RUS: SCHEMATIC DIAGRAM (BASE UNIT)
RX_AF (When OFF-HOOK)
Caller waiting
Audio
SMS (RX)
Caller waiting
Audio
SMS (RX)
Loop Current
TX_AF
Audio
SMS (TX)
Audio
SMS (TX)
Beep signal
7V (When No Beep)
3.0V
0V
RX-DATA
10.368MHz burst
TX-DATA
4.2V
3.0V
0V
1.9V 0V
1.9V 0V
0V 1.8V
0V
1.8V
3.0V
3.0V
0.9V
3.9V
3.5V
4.1V
0V
0V
1.8V
0.9V
3.0V
0V
840mV p-p
10.368MHz
99
KX-TCD566RUS / KX-TCA158RUS
39 SCHEMATIC DIAGRAM (HANDSET)
SW42
3
SW33
R
SW31
MSG
SW40
CLEAR
SW32
6
SW43
INT
SW51
4
SW41
Xfer/CLR
SW52
2
SW53
7
CK1
BATT
X100
SW12
8
SW13
0
SW11
SOFT_A
SW02
5
SW03
*
SW01
TALK
D2.7V
R215
100k
100k
D2.7V
R214
100k
R121
100k
6V KB 1u
C217
6V KB 1u
C218
6V KB 1u
C220
16V B0.47u
C221
16V B0.47u
C222
16V B0.47u
C223
16V B0.47u
C224
16V B0.47u
C225
CK3
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
VDD
8
VSS
9
RFCLK
10
VDDRF
11
VSSRF
12
XTAL
13
CAP
14
AVS
15
AVD
16
RSSI
17
RDI
18
CMPREF
19
TDO
20
LE
21
SO
22
SK
23
DAC/ADC2
24
P3-6/PD6
25
UTX/P0-0
26
URX/P0-1
27
JTIO/P0-2
28
PCM_FSC1/P0-3
29
PCM_FSC0/P0-4
30
PCM_CLK/P0-5
31
PCM_DOUT/P0-6
32
PCM_DIN/P0-6
33
VDDIO
34
VSS
35
INT0n/P1-0
36
INT1n/P1-1
37
INT2n/P1-2
38
INT3n/P1-3
39
INT4n/P1-4
40
VDDE/INT5n/P1-5
41
SCL2/P3-0
42
SDA2
43
VSS
44
VDD
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
VDDIO
80
VSS
6V KB 1u
C219
SW22
9
SW21
1
SW23
#
JT101
CHG+
CHG+
+
JT102
CHG-
-
L101
4.7uH
L102
Z0.1
C103
470R
R103
10K
R101
Q102
1K
R117
0.22
R115
C107
1.0u
JTAG
R206
1k
R207
1k
R205
1k
R202
10k
R203 10k
R204
10k
D2.7V
D2.7V
C206
100n
C205
100n
D1.8V
BATT
D102
SW1
100k
R106
NC
R107
NC
R211
NC
R210
NC
R209
NC
R212
D2.7V
C215
100n
6V KB 1u
C216
D201
Z0.1
C102
SW2
PUSH
COM
C209
NC
C204
100n
C210 220n
C212
68n
C213
68n
C211
10p
C214
100n
100n
C207
NC
7p
C112
R120
100
To Battery
D101
0.01u
C111
C229
100n
C228
100n
C227
100n
BATT
RXDA
SYEN
SYDA
SYCL
SYRI
RXDSG
RSSI
TXDA
PAON
PSEL
GND
BATT
BATT
RF_GND
CN202
1
UTX
2
URX
3
GND
SYRI
R216
470k
R217
270k
270k
C230
68n
CN405
1 CS
2 RESET
3 AD
4 SCL
5 SI
6 VDD
7 DSS
8 VOUT
9 CAP3-
10 CAP1+
11 CAP1-
12 CAP2-
13 CAP2+
14 V1
15 V2
16 V3
17 V4
18 V5
19 VR
UTX URX
NC
R105
270k
R118
330K
R218
1M
R219
10p
C203
C106
Z0.1
R108
NC
R109
0
Q103
0
R208
D103
5.6k
R116
CK2
BATTERY-
-
BATTERY+
+
5.6k
R119
C114
1.0u
1.0u
CK4
CK10
CK11
CK13
Q101
E
C
B
C231
33p
L201 4.7u
C232
0
10p
C233
10p
C234
0
R413
C108
NC
NC
C201
C122
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
ROW1
ROW0
KEY MATRIX
COL5 COL4 COL3 COL2 COL1
COL0
ROW2
ROW3
2
3
4
5
6
7
8
9
0
SOFT_A
TALK
1
R
INT
MSG
Xfer/CLR
CLEAR
COM
PUSH
4.7uH
10.368MHz
about. -6.5VDC
(1)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(7)
(8)
(9)
(9)
(10)
(11)
(12)
(14)
(13)
(15)
(16)
(23)
(24)
(25)
(17)
(18)
(20)
(20)
(19)
(22)
(21)
100
KX-TCD566RUS / KX-TCA158RUS
Click on the first or last page to see other KX-TCD566RUS / KX-TCA158RUS service manuals if exist.