Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual ▷ View online
23.10. FOR THE SCHEMATIC DIAGRAM
Note:
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.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
101
KX-TEB308UA
23.11. SCHEMATIC DIAGRAM (KX-TE82460X)
CN3
3
T
2
R
R20A
0
R8A
1150
IC2A
1
2
3
4
8
TP57
VAG
TP75
+15V
VAG
C10A
0.0015
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
3.9K
ZNR1A
TP42
TP32
+15V
AG
AG
D3A
TP20
TP8
R19A
10K
R4A
220K
AG
TP12
TP27
R3A
2.2K
TP107
C6A
0.1
R1A
10K
TP61
R10A
330K
TP19
TP7
R7A
100
DG
TP35
R13A
1K
VAG
Q2A
E
C
B
Q7A
E
C
B
C4A
0.033
R14A
10K
C7A
330P
TP77
R6A
1.8K
TP65
L2A
TP91
VAG
L1A
TP51
R9A
10K
Q1A
E
C
B
AG
ZNR1C
C10C
0.0015
TP55
R13C
1K
TP15
R10C
330K
+15V
VAG
D3C
AG
TP10
R3C
2.2K
2.2K
Q2C
E
C
B
TP59
R8C
1150
C8C
50V/1u
L1C
CN3
1
T
4
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
0.033
AG
R6C
1.8K
DG
TP73
L2C
Q3C
E
C
B
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
0.1
TP38
+15V
TP141
DG
R23A
10K
+15V
DG
R21A
10K
TP114
+15V
R21C
10K
DG
+15V
R23C
10K
DG
U6C
4
3
5
U6C 1
6
2
U6A
4
3
5
U6A
1
6
2
C5A
16V/47u
C5C
16V/47u
R12C
22K
22K
R12A
22K
C9C
4.7u
C9A
4.7u
C12A
0.1
C11A
0.1
C12C
0.1
C11C
0.1
D2A
D2C
ZNR2
IC1A
5
6
7
TP112
R24C
10K
+3.3V
+3.3V
R25C
10K
+3.3V
+3.3V
R24A
10K
R25A
10K
IC5
2
1
13
IC5
43
5
TP104
TP109
IC5
89
6
IC5
10
11
12
DHK1
DCN1
DOOR_SW3
DCN3
DHK3
DOOR2
TONE
TONE
(1)
(2)
(3)
(4)
(5)
(10)
(11)
(8)
(9)
(12)
(13)
(14)
(6)
(7)
Note: < > ..... No Doorphone
( ) ..... Doorphone
[ ] ..... Press Call Button
No Mark ..... Call Mode
( ) ..... Doorphone
[ ] ..... Press Call Button
No Mark ..... Call Mode
<0V>
(3.3V)
[3.3V]
0V
(3.3V)
[3.3V]
0V
<0V>
(0V)
[3.3V]
0V
(0V)
[3.3V]
0V
<0V>
(0V)
[0V 3.3V]
3.3V
(0V)
[0V 3.3V]
3.3V
102
KX-TEB308UA
DG
AG
TP155
Q8C
E
C
B
VAG
CN1
@DPH30pin
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
R17C
1/4W 150
1/4W 150
TP145
VAG
Q8A
E
C
B
+15V
+15V
+3.3V
+15V
RL2A
1
3
2
4
VAG
C13A
100V 0.1
C13C
100V 0.1
AG
TP151
+3.3V
DG
TP146
RL2C
1
3
2
4
+15V
D5C
AG
TP153
+15V
DG
FG
TP156
D5A
DG
DG
DG
DG
R17A
1/4W 150
DG1
AG
AG1
FG
+15V
IC5
14
7
C15
0.1u
R22C
180
R22A
180
IC2A
5
6
7
IC2C
5
6
7
TP162
TP166
C51
0.1u
C50
10u
C52
100u
C53
0.1u
R52
220
0.01u
C222
C221
0.01u
DG
AG
0.01u
C223
VAG
0.01u
C225
C224
0.01u
J101
NC
IC10
1
2
3
+3.3V
DG 0.1u
C23
IC6
1 CLR
2
1Q
3 1D
4 2D
5
2Q
6
3Q
7 3D
8 4D
9
4Q
10
GND
11 CLK
12
5Q
13 5D
14 6D
15
6Q
16
7Q
17 7D
18 8D
19
8Q
20
VCC
IC10
10
9
8
DG
IC7
CLR 1
1Q
2
1D 3
2D 4
2Q
5
3Q
6
3D 7
4D 8
4Q
9
GND
10
CLK 11
5Q
12
5D 13
6D 14
6Q
15
7Q
16
7D 17
8D 18
8Q
19
VCC
20
0.1u
C22
+3.3V
IC9
A 1
B 2
C 3
G1 6
G2B 5
4
G2A
Y0
15
Y1
14
Y2
13
12
Y3
11
Y4
10
Y5
9
Y6
Y7
7
VCC 16
GND 8
+3.3V
DG
C31
0.1u
+3.3V
TP200
TP201
TP202
TP203
TP204
TP206
TP208
TP215
TP213
TP214
TP210
TP209
TP211
TP212
TP239
TP240
TP238
TP241
TP243
TP244
TP242
TP245
TP225
TP226
TP224
TP229
TP231
TP227
TP228
TP230
IC10
14
7
TP259
IC10
5
4
6
0.1u
C20
+3.3V
DG
TP118
TP117
TP122
TP121
TP260
TP261
IC11
5
3
TP264
C27
0.022
+3.3V
IC11
2
4
1
TP263
TP232
DOOR 2
TONE
DOOR1
DG
DG
C101
22P
DG
+3.3V
TP265
TP266
TP267
TP268
TP269
TP270
TP271
TP272
TP273
TP274
TP275
TP276
TP277
RA2
22
1
2
3
4
5
6
7
8
RA1
22
1
2
3
4
5
6
7
8
RA3
220
1
2
3
4
5
6
7
8
TP233
TP236
TP235
TP234
TP237
RA4
10K
1 2 3 4
5
6
7
8
DG
CN2
2
1
CN2
4
3
TP262
TP217
TP221
+3.3V
TP220
IC8
CLR 1
1Q
2
1D 3
2D 4
2Q
5
3Q
6
3D 7
4D 8
4Q
9
GND
10
CLK 11
5Q
12
5D 13
6D 14
6Q
15
7Q
16
7D 17
8D 18
8Q
19
VCC
20
DG
TP218
TP223
0.1u
C21
TP219
TP222
TP216
IC10
13
12
11
+15V
C226
0.01u
AG
J102
0
J103
NC
+3.3V
J100
NC
AG
DG
NIOW R
D[6]
D[7]
D[5]
D[4]
D[2]
D[1]
D[0]
D[3]
LD[7]
LD[5]
LD[6]
LD[4]
LD[1]
LD[3]
LD[0]
LD[2]
LD[0-7]
DHK1
DCN1
DOOR_SW1
DOOR_SW1
TONE_SW 1
TONE_SW1
DOOR_SW2
TONE_SW 2
DOOR_SW3
TONE_SW 3
DOOR_SW4
TONE_SW 4
BUSY1
BUSY3
BUSY3
DOPN 1
DOPN 1
DOPN 3
DOPN3
NCS0
NCS0
NCS4
NCS4
NCS2
NCS2
NWR
NWR
NWR
LD[7]
LD[3]
LD[1]
LD[2]
LD[6]
LD[0]
LD[4]
LD[5]
LD[3]
LD[2]
LD[0]
LD[5]
LD[4]
LD[7]
LD[6]
LD[1]
RESET
NRESET
NRESET
DCN3
DHK3
LA[2]
LA[1]
NCS
NRD
A[2]
A[1]
NCS_DOOR
NIOR D
DOOR2
DOOR1
DOOR1
DHK4
DHK2
TONE
TONE
DOPN 2
BUSY4
BUSY2
DOPN 4
LD[0]
LD[1]
LD[6]
LD[3]
LD[5]
LD[4]
LD[7]
LD[2]
KX-TE82460X SCHEMATIC DIAGRAM
(1)
(2)
(3)
(4)
(5)
(10)
(11)
(8)
(9)
(12)
(13)
(14)
(6)
(7)
Relay ON...3.3V
Relay OFF...0V
Relay OFF...0V
3.3V
0V
103
KX-TEB308UA
23.12. PRINTED CIRCUIT BOARD (KX-TE82460X)
IC5
U6A
IC9
IC10
RA3
RA2
RA1
29
30
2
1
CN1
14
11
1
1
1
1
10
10
11
11 16
9
8
1
1
7
8
8
8
1
1
8
8
1
1
3
4
2
4
1
14
20
5
20
C22
10
20
IC6
RA4
308
IC11
IC7
IC8
1
7
8
U6C
T1C
T1A
C15
C27
J103
J102
C23
C21
C101
C51
C50
R23C
Q3C
C4C
R14C
R3C
R8C
R9C R19C
R5C
C
7C
R100
R150
C6C
R2C
R1C
Q7C
Q1C
C1
1C
1C
R25A
C1
1A
1A
C226
D4A
D3C
D2A
D3A
R22A
R22C
C5A
C13A
C13C
R17A
R17C
CN3
CN2
R6A
R7A
ZNR1C
ZNR1A
ZNR2
J100
D5A
D5C
R7C
R6C
D2C
C120
C8C
C5C
C4A
C8A
C12A
R5A
D4C
R24A
C224
IC2C
IC1C
IC1A
IC2A
C100
R4C
R20C
R13C
R12C
R25C
R24C
R21C
Q2C
Q7A
Q1A
Q2A
Q8A
Q8C
RL2C
RL2A
L1A
308
L2A
PSUP1507Z*
A
PbF
PbF
DPH2
KX-TE82460
L1C
L2C
C14A
Q3A
R23A
C9A
R1A
R10A
C7A
R19A
R14A
R3A
R8A
R15A
C6A
R2A
C10A
R4A
R20A
R13A
R12A
R9A
C14C
C9C
R21A
C222
C31
C20
C53
C225
C223
R52
J101
C52
C221
824
KX-TE82460X COMPONENT VIEW
104
KX-TEB308UA
Click on the first or last page to see other KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X service manuals if exist.