Read Panasonic KX-TEB308CA / KX-TE82460X / KX-TE82493X / KX-A227X (serv.man3) Service Manual Supplement online
15
KX-TEB308CA/KX-TE82460X/KX-TE82493X/KX-A227X
F
E
H
G
78
11
12
10
9
4/4
KX-TEB308CA
MAIN NO.3 (4/4)
(f)
(g)
(h)
(i)
(j)
(k)
Q[4]
Q[3]
STD1
TOE1
DG
X600
TP400
TP388
TP387
C659
0.1u
TP401
TP398
TP399
IC606
IN-
2
GS
3
IN+
1
VREF
4
INH
5
PWDN
6
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
Q4
15
NC16
16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
R670
330k
Q[2]
Q[1]
Q[4]
Q[3]
Q[2]
Q[1]
STD2
STD2
TOE2
TOE2
STD1
TOE1
Q[4]
Q[3]
Q[2]
Q[1]
+140V
+3.3V
C662 0.1
+3.3V
DG
DG
+3.3V
C663
0.22
C661
0.22
C660 0.1
Q[1-4],STD1,STD2,TOE1,TOE2
DG
TP403
TP406
TP408
TP402
TP409
TP405
TP404
TP407
RA600
10k
1
2
3
4
5
6
7
8
6
7
8
RA603
10k
1
2
3
4
5
6
7
8
6
7
8
TP944
TP919
+140V
C921
50V/0.1u
TP950
D902
C918
50V/100
TP907
TP935
IC902
10
9
8
TP909
IC902
5
6
7
C916
0.1u
TP958
TP939
TP917
TP956
D907
600V 1A
12
Q904
E
C
B
+27V
TP934
IC901
SW IC
1
COMP
2
FB
3
ISENS
4
RT/CT
5
GND
6
OUT
7
VCC
8
VREF
C914
470P
C910
250V/10
BELL_POWER
+27V
C919
0.047u
TP955
C911
250V/10
Q903
E
C
B
TP931
TP
95
1
-90V
C908
0.082u
DG
+15V
TP929
DG
TP921
C920
0.1u
C909
0.1u
TP916
+3.3V
PC903
1
23
4
PC901
1
2
3
4
C902
0.1/250V
D905
Vz=30v
TP945
TP904
25Hz
Q910
50V/100mA/150mW/47k
E
C
B
Q911
E
C
B
D906
600V 1A
1
2
TP959
TP905
BLPWR
TP942
TP
95
7
TP949
C906
0.082u
IC902
1
2
3
4
11
IC900
4
Vref
1
A1
3
C
2A
2
5A
5
6A
6
TP937
C917
0.1u
BELL
TP943
TP902
TP954
TP914
TP953
Q908
E
C
B
TP952
T900
1
2
4
5
6
7
8
9
10
TP928
DG
TP947
TP946
TP911
D904
TP948
IC902
12
13
14
C904
0.1u
TP924
TP922
Q907
E
C
B
IC607
IN-
2
GS
3
IN+
1
VREF
4
INH
5
PWDN
6
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
Q4
15
NC16
16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
R926
5.6k
R920
100
R672
330k
R941
750 F
R930
390k F
R919
10k
R932
20k F
R940
33k F
R952
22k!!
R934
180k F
R943
1.2M
R916
47k
R948
22
R927
47k
R939
20k F
R908
680
R945
30k
3216
R942
750 F
R905
47k
R909
680
R922
1M
R950
22k
R912
100
R671
27k
R949
2.7
R951
10k
R938
1k
R910
47k
R924
10k
R947
2.2k
R936
4.7k
R914
47k
R946
10k
R902
150
R944
22k
R953
0
Q912
S
1
2
3
3
G
4
D
5
6
7
8
7
8
DTMF
RECEIVER 1
DTMF RECEIVER 2
3.58Mhz
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