Read Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X (serv.man4) Service Manual Supplement online
15
KX-TEB308UA
F
E
H
G
78
11
12
10
9
4/4
KX-TEB308UA
MAIN NO.3 (4/4)
(f)
(g)
(h)
(i)
(j)
(k)
Q[4]
Q[3]
Q[2]
Q[1]
STD1
TOE1
DG
+3.3V
R670
330k
DG
X600
C661
0.22
C660 0.1
TP400
C659
0.1u
TP401
TP398
TP399
IC606
IN-
GS
IN+
VREF
INH
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
Q4
15
NC16
STD
17
EST
18
NC7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP386
1
4
Q[4]
Q[3]
Q[2]
Q[1]
STD2
STD2
TOE2
TOE2
STD1
TOE1
Q[4]
Q[3]
Q[2]
Q[1]
+3.3V
C662 0.1
DG
R671
27k
+3.3V
C663
0.22
R672
330k
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
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
+140V
TP944
TP919
R940
33k F
+140V
C921
50V/0.1u
TP950
R930
390k F
D902
C918
50V/100
TP907
TP935
IC902
10
9
8
R936
4.7k
TP909
IC902
5
6
7
C916
0.1u
TP958
TP939
TP917
R920
100
TP956
D907
600V 1A
12
Q904
E
C
B
R945
30k
3216
+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
R916
47k
R910
47k
+27V
C919
0.047u
TP955
C911
250V/10
Q903
E
C
B
TP931
TP
95
1
-90V
C908
0.082u
R905
47k
DG
+15V
TP929
DG
TP921
C920
0.1u
C909
0.1u
TP916
+3.3V
PC903
1
23
4
PC901
1
2
3
4
R932
20k F
C902
0.1/250V
D905
Vz=30v
TP945
TP904
25Hz
Q910
50V/100mA/150mW/47k
E
C
B
R934
180k F
R939
20k F
Q911
E
C
B
D906
600V 1A
1
2
R952
22k
TP959
R912
100
TP905
BLPWR
TP942
TP
95
7
TP949
R941
750 F
C906
0.082u
IC902
1
2
3
4
11
IC900
4
Vref
1
A1
3
C
2A
2
5A
5
6A
6
R914
47k
R942
750 F
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
R908
680
TP928
DG
TP947
TP946
TP911
D904
TP948
R949
2.7
IC902
12
13
14
C904
0.1u
R902
150
R909
680
R922
1M
R919
10k
R924
10k
R926
5.6k
TP924
TP922
R927
47k
R938
1k
R943
1.2M
R944
22k
R946
10k
R951
10k
R950
22k
R948
22
R947
2.2k
Q907
E
C
B
R953
0
Q912
S
1
2
3
3
G
4
D
5
6
7
8
7
8
TP388
TP387
2
3
5
6
10
16
7
DTMF
RECEIVER 1
DTMF RECEIVER 2
3.58Mhz
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