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4
KX-TES824UA / KX-TEM824UA
1.3.
SCHEMATIC DIAGRAM (KX-TES824UA / KX-TEM824UA)
1.3.1.
MAIN No.1 (Extention A-D Block)
Change from the Original Service Manual Section 21.1
1/4
K
X
-TE
S
8
2
4U
A
/K
X
-TEM8
2
4U
A
M
A
IN NO.1 (1/4)
(4)
(5)
(6
)
(1)
(2
)(3)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
D
C
B
A
45
6
3
2
1
+
-
+
-
+
-
BEL
HOOK[1]
T
A
R
A
TB
T
X
PWR
D1B
T
X
PWR
R
X
D
E
X
T[1]
E
X
T[
2
]
ZNR
2
0
2A
22V
ZNR
2
01
A
22V
D2
05A
1
2
C
2
05
A
50
V
/4.
7
u
Q2
00
A
E
C
B
ZNR
2
00
A
22V
C2
01A
0.
01
u
C2
06A
0.
03
9u
D
2
04
A
2
50m
AV
z3.9v
1
2
D
2
09
A
1
2
C2
00A
0.
01
u
Q2
0
2A
E
C
B
FG
R[1]
3:1B
FG
+15
V
ZNR
2
03
A
22V
+15
V
+3.3
V
VA
G
D
2
03
A
D
2
0
2A
C
2
04
A
50
V
/2
.2
E
X
T[1]
4:
2
D
E
X
T[
2
]
4:
2
D
-15
V
-15
V
A
G
A
G
A
G
A
G
T[1]
3:1C
+15
V
A
G
-15
V
00B
01
u
D
2
0
2
B
Q2
00B
E
C
B
C
2
04B
50
V
/2
.2
22V
ZNR
2
00B
22V
A
G
A
G
Q2
0
2
B
E
C
B
FG
+15
V
+15
V
ZNR
2
01B
22V
TP
2
01B
TP
2
04B
TP
2
0
7A
TP
2
05
A
TP
2
00
A
TP
2
01
A
TP
2
14
A
TP
2
15
A
TP
2
1
6A
TP
2
08
A
TP
2
30
A
TP
2
1
2A
TP
2
0
6
B
TP
2
13
A
TP
222A
TP
2
30B
TP
2
10
A
TP
2
18
A
TP
2
1
7A
TP
2
0
6A
TP
2
11
A
TP
22
0
A
TP
2
04
A
D
2
08
A
1
2
3
L
2
04
A
1.5mH
L
2
04B
1.5mH
TH
2A
TH
2
B
TP
227A
DA2
00A
1
2
3
D2
08B
1
2
3
TP
2
31
TP
2
3
2
TP
2
0
2A
TP
2
0
2
B
TP
2
03
A
TP
2
09
A
TP
2
19
A
TP
2
19B
TP
22
1
A
Q2
03
A
E
C
B
Q2
09B
E
C
B
Q2
09
A
E
C
B
Q2
01
A
E
C
B
2
2
2
2
U
2
00
A
1
6
2
4
3
5
TP
2
10B
TP
2
1
2
B
TP
2
0
7
B
Q20
7A
E
C
B
TP
22
5
A
C2
09A
0.
01
u
C2
10A
0.
01
u
C2
07A
0.
01
u
C2
10B
0.
01
u
C2
07
B
0.
01
u
C2
09B
0.
01
u
FG
FG
TP
2
8
2
+15
V
TP
2
50
D22
1
+15
V
TP
2
49
PD_RLY
TP
226A
Q2
1
7
E
C
B
Q2
1
6
E
C
B
G
A
G
A
G
A
RL
2
0
2A
4
3
5
RL
2
0
2A
9
10
8
RL
2
00
A
4
3
5
RL
2
00
A
9
10
8
TP
2
84
TP
2
83
A
G
RL2
02A
1
12
RL2
00A
1
12
R
2
04
A
6
8
1/4W
R
2
11
A
1
2
k
R
2
03
A
22
1/4W
R
2
05
A
6
8
1/4W
R22
5
10k
R
2
0
2
B
22
1/4W
R
2
0
2A
22
1/4W
R2
18A
10k
R22
1A
10k
R
2
01
A
6
.8k
R22
8
6.8k
R
2
0
6A
1k
1W
R2
10A
33k
R22
5A
10k
R
227
6
.8k
R
2
09
A
15k
R22
9
0
R
2
0
7A
33k
R
2
08
A
5
6
k
R
2
00B
6
.8k
R
2
00
A
6
.8k
R226
10k
R22
0B
270
R
2
1
6A
10k
R2
15A
47
k
R
2
04B
6
8
1/4W
R22
0A
270
R
2
19
A
1k
CN
2
00B
1
CN
2
00
A
1
4
4
2
2
3
R22
3A
18k
C
2
1
2A
2
.2
u
C
2
1
2
B
2
.2
u
T
2
00
A
1
3
5
7
9
T
2
00B
3
7
R
226A
6
80
R
226
B
R22
4A
NC
TP
22
3
A
TP
22
3B
RL
2
01
A
3
2
4
RL
2
01
A
6
7
5
1
8
RL
2
01B
3
2
4
C
2
08
A
50
V
/1u
C
2
08B
50
V
/1u
C
2
0
2A
6
.3
V
/10u
C
2
03
A
6
.3
V
/10u
C
2
0
2
B
6
.3
V
/10u
C
2
13
A
50
V
/2
.2
u
A
b
m
m
m
b
b
m
b
m
b
P.F.
REL
A
Y
DC POWER
S
UPPLY
CIRCUIT
HOOK DETECT
CIRCUIT
PROTECTOR
O
V
ER CURRENT
LIMITTER
3.3
V
ON HOOK
or OFF HOOK
BELL REL
A
Y
S
W
H:BELL ON
L:BELL OFF
BELL
CIRCUIT
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