Read Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual online
24.11. SCHEMATIC DIAGRAM (KX-TE82493X)
D2A
R19A
10K
D1A
C10A
0.047
R17A 390K
R8A
10K
IC1A
CALL ID IC
1 IN+
2 IN-
3 GS
4 VRef
5 CAP
6 TRIGin
7 TRIGRC
8 TRIGout
2 IN-
3 GS
4 VRef
5 CAP
6 TRIGin
7 TRIGRC
8 TRIGout
9
MODE
10
OSCin
11
OSCout
12
VSS
13
IC
14
PWDN
15
FSken
16
DCLK
17
DATA
18
DR
19
CD
20
INT
21
StD
22
ESt
23
St/GT
24
VDD
R7A
330K
+3.3V
C6A
0.1
R5A
82KF
R11A
470KF
R14A
100K
CID[1]
R10A
470K
+3.3V
C7A
0.22
+3.3V
R19B
10K
R17B 390K
+3.3V
R11B
470KF
D1B
D2B
R7B
330K
C10B
0.047
+3.3V
C6B
0.1
+3.3V
C7B
0.22
R5B
82KF
82KF
R10B
470K
CID[2]
R8B
10K
IC1B
CALL ID IC
1 IN+
2 IN-
3 GS
4 VRef
5 CAP
6 TRIGin
7 TRIGRC
2 IN-
3 GS
4 VRef
5 CAP
6 TRIGin
7 TRIGRC
8 TRIGout
9
9
MODE
10 OSCin
11 OSCout
12 VSS
13
IC
14
PWDN
15
FSken
16
DCLK
17
DATA
18
DR
19
CD
20
INT
21
StD
22
ESt
23
St/GT
24
VDD
R14B
100K
R7C
330K
R14C
100K
D1C
R5C
82KF
C6C
0.1
R17C 390K
R11C
470K F
+3.3V
+3.3V
CID[3]
R8C
10K
R10C
470K
+3.3V
C10C
0.047
IC1C
CALL ID IC
1 IN+
2 IN-
3 GS
4 VRef
5 CAP
6 TRIGin
7
2 IN-
3 GS
4 VRef
5 CAP
6 TRIGin
7
TRIGRC
8
TRIGout
9
MODE
10 OSCin
11 OSCout
11 OSCout
12 VSS
13
IC
14
PWDN
15
FSken
16
DCLK
17
DATA
18
DR
19
CD
20
INT
21
StD
22
ESt
23
St/GT
24
VDD
D2C
R19C
10K
C7C
0.22
R27C
100K F
R27B
100K F
R27A
100K F
0.1
C13A
0.1
C13C
0.1
C13B
X1
XTP_3.58M
TP43
TP30
TP13
TP28
TP31
TP23
TP8
TP16
TP27
TP36
TP19
TP45
TP5
TP37
TP22
TP7
TP21
TP41
TP18
TP35
TP46
TP26
TP12
TP14
TP11
TP39
TP15
TP40
TP44
TP25
TP6
TP48
TP9
TP42
TP10
TP24
TP47
TP38
TP32
TP29
TP34
TP20
C65
NC
R65
0
R66
0
C66
NC
TP186
TP185
C17A
NC
R34A
NC
R20A
NC
R23A
NC
C14A
NC
R26A
NC
R24A
NC
+3.3V
C15A
NC
R21A
NC
+3.3V
IC2A NC
3
2
1
C18A
NC
R35A
NC
R22A
NC
R36A
0
C19A
NC
IC2A NC
5
6
7
R25A
NC
D3A NC
R33A
100K
R35B
NC
C14B
NC
R22B
NC
NC
R26B
NC
R36B
0
R24B
NC
C19B
NC
+3.3V
IC2B NC
5
6
7
C15B
NC
C17B
NC
R21B
NC
R25B
NC
R34B
NC
+3.3V
D3B NC
R20B
NC
IC2B NC
3
2
1
R33B
100K
R23B
NC
C18B
NC
R35C
NC
C14C
NC
R22C
NC
R26C
NC
R36C
0
R24C
NC
C19C
NC
+3.3V
IC2C NC
5
6
7
C15C
NC
C17C
NC
R21C
NC
R25C
NC
R34C
NC
+3.3V
D3C NC
R20C
NC
IC2C NC
3
2
1
R33C
100K
R23C
NC
C18C
NC
TP195
TP196
TP197
TP198
TP199
TP200
TP201
TP202
TP203
TP204
TP205
TP206
TP207
TP208
TP209
TP210
TP211
TP212
TP213
TP214
TP215
TP216
TP218
TP219
TP220
TP221
TP222
TP223
TP224
TP225
TP226
TP227
TP228
TP230
Q1A NC
E
C
B
Q1B NC
E
C
B
Q1C NC
E
C
B
TP229
TP217
C20A
0.1u
C21A
0.1u
C20B
0.1u
C21B
0.1u
C20C
0.1u
C21C
0.1u
FSK_[0]
DCLK_[0]
DATA_[0]
nDR_[0]
nCD_[0]
STD_[0]
nCD_[1]
DCLK_[1]
nDR_[1]
FSK_[1]
STD_[1]
DATA_[1]
DATA_[2]
DCLK_[2]
nDR_[2]
FSK_[2]
nCD_[2]
STD_[2]
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Caller ID (FSK) Signal
Detect (H L)
3.58MHz
Caller ID (DTMF) Signal
116
KX-TEB308UA
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