Read Panasonic KX-TEB308CA / KX-TE82460X / KX-TE82493X / KX-A227X (serv.man4) 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]
Q[2]
Q[1]
Q[4]
Q[3]
Q[2]
Q[1]
STD2
STD2
TOE2
TOE2
STD1
STD1
TOE1
TOE1
Q[4]
Q[3]
Q[2]
Q[1]
+160V
+3.3V
C662 0.1
DG
+3.3V
DG
DG
+3.3V
X600
C663
0.22
C661
0.22
C660 0.1
Q[1-4],STD1,STD2,TOE1,TOE2
DG
TP403
TP386
TP406
TP400
TP408
TP402
TP409
TP388
TP387
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
C659
0.1u
TP401
TP398
TP399
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
RE1
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
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
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
Q912
S
D
G
R938
1k
R912
100
R951
10k
R936
4.7k
R949
2.7
R671
27k
R950
22k
R940
33k F
R932
20k F
R926
5.6k
R944
22k
R905
47k
R939
20k F
R947
2.2k
R948
22
R909
680
R672
330k
R902
150
R930
390k F
R908
680
R941
750 F
R927
47k
R952
22k
R934
180k F
R919
10k
R942
750 F
R953
22
R922
1M
R910
47k
R943
1.2M
R916
47k
R924
10k
R945
30k
3216
R914
47k
R946
10k
R920
100
R670
330k
DTMF
RECEIVER 1
DTMF RECEIVER 2
3.58Mhz
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