Panasonic KX-TES824CA / KX-TEM824CA / KX-TE82461X / KX-TE82474X / KX-TE82480X / KX-TE82483X / KX-TE82491X / KX-TE82492X / KX-TE82493X / KX-A227X Service Manual ▷ View online
121
KX-TES824CA/KX-TEM824CA
15.4. Troubleshooting Guide
15.4.1. Can Not Call From Doorphone
15.4.2. Can Not Talk
15.4.3. Can Not Use Dooropener
122
KX-TES824CA/KX-TEM824CA
15.5. Terminal Guide of the ICs Transistors and Diodes
123
KX-TES824CA/KX-TEM824CA
15.6. Memo
124
KX-TES824CA/KX-TEM824CA
15.7. Schematic Diagram
CN3
3
T
2
R
R20A
0
R8A
1150
IC2A
1
2
3
4
8
TP57
VAG
TP75
+15V
VAG
C10A
1500p
TP89
AG
Q3A
E
C
B
TP44
TP100
VAG
R5A
10k
C14A
50V/1u
TP81
C8A
50V/1u
IC1A
1
2
3
4
8
AG
DG
T1A
4
6
3
2
1
TP48
TP70
D4A
AG
+15V
R2A
2.2k
DG
R15A
3.9k
ZNR1A
TP42
TP32
+15V
AG
AG
D3A
TP20
TP8
R19A
10k
R4A
220k
AG
TP12
TP27
R3A
2.2k
2.2k
TP107
C6A
0.1u
R1A
10k
TP61
R10A
330k
TP19
TP7
R7A
100
DG
TP35
R13A
1k
VAG
Q2A
E
C
B
Q7A
E
C
B
C4A
0.033u
R14A
10k
C7A
330p
TP77
R6A
1.8k
TP65
L2A
0
TP91
VAG
L1A
0
TP51
R9A
10k
Q1A
E
C
B
AG
ZNR1B
C10B
1500p
TP56
R13B
1k
TP17
R10B
330k
+15V
VAG
D3B
AG
TP11
R3B
2.2k
Q2B
E
C
B
TP60
R8B
1150
C8B
50V/1u
L1B
0
CN3
1
T
4
R
TP24
Q1B
E
C
B
TP5
R5B
10k
D4B
TP80
AG
Q7B
E
C
B
AG
AG
IC1B
5
6
7
TP97
R7B
100
TP33
R19B
10k
C7B
330p
+15V
TP68
R9B
10k
TP74
R2B
2.2k
VAG
C4B
0.033u
AG
R6B
1.8k
DG
TP76
L2B
0
Q3B
E
C
B
TP106
TP18
TP86
TP6
IC2B
1
2
3
4
8
TP88
TP64
VAG
TP43
R20B
0
+15V
TP47
TP52
DG
R1B
10k
R15B
3.9k
T1B
4
6
3
2
1
VAG
C14B
50V/1u
VAG
R14B
10k
DG
R4B
220k
TP30
IC1B
1
2
3
4
8
C6B
0.1u
TP40
AG
ZNR1C
C10C
1500p
TP55
R13C
1k
TP15
R10C
330k
+15V
VAG
D3C
AG
TP10
R3C
2.2k
Q2C
E
C
B
TP59
R8C
1150
1150
C8C
50V/1u
L1C
0
CN3
7
T
6
R
TP22
Q1C
E
C
B
TP3
R5C
10k
D4C
TP79
AG
Q7C
E
C
B
AG
AG
IC1C
5
6
7
TP95
R7C
100
TP28
R19C
10k
C7C
330p
+15V
TP67
R9C
10k
TP71
R2C
2.2k
VAG
C4C
0.033u
AG
R6C
1.8k
DG
TP73
L2C
0
Q3C
E
C
B
TP104
TP16
TP84
TP4
IC2C
1
2
3
4
8
TP85
TP63
VAG
TP41
R20C
0
+15V
TP46
TP50
DG
R1C
10k
R15C
3.9k
T1C
4
6
3
2
1
VAG
C14C
50V/1u
VAG
R14C
10k
DG
R4C
220k
TP25
IC1C
1
2
3
4
8
C6C
0.1u
TP38
AG
ZNR1D
C10D
1500p
TP54
R13D
1k
TP13
R10D
330k
+15V
VAG
D3D
AG
TP9
R3D
2.2k
Q2D
E
C
B
TP58
R8D
1150
C11D
0.1u
C8D
50V/1u
L1D
0
CN3
5
T
8
R
TP21
Q1D
E
C
B
TP1
R5D
10k
D4D
TP78
AG
Q7D
E
C
B
AG
AG
IC1D
5
6
7
TP94
R7D
100
TP26
R19D
10k
C7D
330p
+15V
TP66
R9D
10k
TP69
R2D
2.2k
VAG
C4D
0.033u
AG
R6D
1.8k
DG
TP72
L2D
0
Q3D
E
C
B
TP14
TP82
TP2
IC2D
1
2
3
4
8
TP83
R12D
22k
TP62
VAG
TP39
R20D
0
+15V
TP45
DG
R1D
10k
R15D
3.9k
T1D
4
6
3
2
1
VAG
C14D
50V/1u
VAG
R14D
10k
DG
R4D
220k
TP23
IC1D
1
2
3
4
8
C6D
0.1u
TP37
TP49
+15V
TP141
DG
R23A
10k
+15V
DG
R21A
10k
TP143
+15V
R21B
10k
DG
+15V
R23B
10k
DG
TP142
TP114
DG
DG
TP109
+15V
+15V
R21D
10k
R21C
10k
DG
+15V
R23C
10k
R23D
10k
TP136
DG
+15V
U6C
4
3
5
U6C
1
6
2
U6D
1
6
2
U6D
4
3
5
U6B
1
6
2
U6B
4
3
5
U6A
4
3
5
U6A
1
6
2
C5A
16V/47u
C5B
16V/47u
C5C
16V/47u
C5D
16V/47u
R12C
22k
R12B
22k
R12A
22k
C9D
4.7u
C9C
4.7u
C9B
4.7u
C9A
4.7u
C12D
0.1u
C12A
0.1u
C11A
0.1u
C12B
0.1u
C11B
0.1u
C12C
0.1u
C11C
0.1u
D2A
D2B
D2C
D2D
IC5A
2
1
13
IC5A
4
3
5
IC5A
10
11
12
IC5A
8
9
6
IC5C
2
1
13
IC5C
4
3
5
IC5C
10
11
12
TP101
IC5C
8
9
6
IC1A
5
6
7
TP112
TP140
R24C
10k
+3.3V
+3.3V
R25C
10k
+3.3V
+3.3V
R24D
10k
R25D
10k
+3.3V
+3.3V
R24B
10k
R25B
10k
+3.3V
+3.3V
R24A
10k
R25A
10k
ZNR2A
0
ZNR2B
0
ZNR2C
0
ZNR2D
0
DHK1
DCN1
BUSY1
DOOR1
DOOR1
TONE
(1)
(2)
(3)
(4)
(5)
(10)
(11)
(8)
(9)
(12)
(13)
~
(14)
(15)
(16)
(17)
(18)
(19)
(22)
~
(23)
(24)
(25)
(26)
(27)
(28)
<0V>
(0V)
[0V 5V]
5V
(0V)
[0V 5V]
5V
<0V>
(0V)
[5V]
0V
(0V)
[5V]
0V
<0V>
(5V)
[5V]
0V
(5V)
[5V]
0V
<0V>
(0V)
[0V 5V]
5V
(0V)
[0V 5V]
5V
<0V>
(0V)
[0V 5V]
5V
(0V)
[0V 5V]
5V
<0V>
(5V)
[5V]
0V
(5V)
[5V]
0V
<0V>
(0V)
[5V]
0V
(0V)
[5V]
0V
<0V>
(5V)
[5V]
0V
(5V)
[5V]
0V
<0V>
(0V)
[5V]
0V
(0V)
[5V]
0V
<0V>
(0V)
[0V 5V]
5V
(0V)
[0V 5V]
5V
<0V>
(5V)
[5V]
0V
(5V)
[5V]
0V
<0V>
(0V)
[5V]
0V
(0V)
[5V]
0V
Note: < > ..... No Doorphone
( ) ..... Doorphone
[ ] ..... Call Mode
( ) ..... Doorphone
[ ] ..... Call Mode
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