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12
KX-TES824UA / KX-TEM824UA
1.3.3.
MAIN No.3 (CO Block)
Change from the Original Service Manual Section 21.3
1/4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(1
1)
(12)
(13)
(14)
(15)
(16)
(a)
(b)
(c)
(d)
(e)
(g)
(i)
(f)
(h)
(j)
(k)
(m)
KX-TES824UA/KX-TEM824UA
MAIN NO.3 (1/4)
D
C
B
A
45
6
3
2
SHUNT1
PAD1
TP7A
C15A
0.056
CN1A
1
C6A
50V/2.2
C22A
N.C
TP25A
C2A
0.47
R1A 68k
C3A
1
R22A
390
TP13A
+3.3V
IC3A
10
11
12
IC2A
10
11
12
R26A
300k
C8A
0.001
R32A
N.C
C19A
N.C
C9A
N.C
+3.3V
C7A
N.C
R3A
N.C
TP19A
SFG
C17A
150p
TP22A
D2A
C4A
0.47
C16A
150p
IC3A
1
2
13
R39A
1.2k
R18A
22k
C13A
0.056
L1A
12
34
IC3A
3
4
5
DG
C12A
0.056
R24A
100k
R19A
NC
TP28A
R41A
820
R13A
N.C
R34A
100k
TP1A
ZNR2A
39V
2
DG
R50A
47k
IC1A
3
2
1
R21A
0
R49A
47k
DG
C21A
N.C
SA1A
1
2
3
R40A
1.2k
VAG
R46A
1.2k
TP21A
R36A
N.C
R44A
NC
C18A
150p
R4A
680 1/10W
R35A
100k
R38A
0
R25A
100k
R11A
10k
TP24A
PC3A
1
23
4
IC2A
8
9
6
R47A
47k
R27A
300k
C10A
150p
R31A
300k
TP2A
ZNR1A
NC
R20A
1.2k
R23A 1.2k
TP12A
PC2A
1
2
3
4
R6A 68k
D1A
R43A
0
DG
+3.3V
R29A
22k
TP15A
C11A
0.068
TP20A
TP23A
R37A
8.2k
R28A
300k
C1A
220p
R33A N.C
R14A
8.2k
IC3A
8
9
6
R2A
22 1/8W
R45A
0
PC1A
1
2
3
4
R10A
12k
R12A
0
C5A
50V/10
C14A
0.056
IC1A
5
6
7
+15V
DG
D4A
N.C
VAG
DG
R42A
1.2k
R30A
8.2k
R5A
22k/1W
R16A
0
R8A
22
IC2A
2
1
13
TP11A
PC4A
1
2
3
4
C20A
N.C
R9A
10
R17A
1.2k
TP31A
TP32A
TP39A
TP38A
TP52A
TP51A
TP36A
TP37A
TP42A
TP47A
TP46A
TP43A
TP54A
TP55A
TP53A
TP48A
TP60A
TP59A
TP41A
TP63A
TP61A
TP58A
TP64A
TP66A
TP67A
TP44B
C15B
0.056
+3.3V
R2B
22 1/8W
R39B
1.2k
R33B
N.C
PC2B
1
2
3
4
TP40B
R18B
22k
R35B
100k
TP23B
D1B
DG
C16B
150p
R4B
680 1/10W
TP53B
TP16B
C10B
150p
C2B
0.47
TP49B
R21B
0
C7B
N.C
+3.3V
TP28B
D2B
DG
TP48B
IC1B
3
2
1
C4B
0.47
C21B
N.C
C22B
N.C
R20B
1.2k
IC2B
8
9
6
TP59B
TP50B
TP57B
R45B
0
R38B
0
TP41B
R34B
100k
R41B
820
IC3B
1
2
13
PC1B
1
3
2
4
R12B
0
C9B
N.C
R42B
1.2k
R19B
NC
R29B
22k
TP10B
TP60B
C14B
0.056
C19B
N.C
R6B
68k
R26B
300k
TP36B
TP7B
TP56B
DG
R16B
0
TP37B
1
2
3
4
DG
R46B
1.2k
TP12B
R27B
300k
IC3B
3
4
5
R1B 68k
VA1A
NC
TP10A
TP16A
VA1B
NC
TP30A
VAG
Q3A
E
C
B
Q5A
E
C
B
TP40A
TP44A
TP49A
TP50A
TP56A
TP57A
R51A
100k
PC5A
1
2
3
4
R52A
2.7k
R7A
1.8k
TP17A
TP18A
U2A
1
6
2
U2A
4
3
5
Q10A E
C
B
DG
DG
DG
R15A
100
TP27A
TP26A
TP26B
R15B 100
TH1A
0
J5A
0
J2A
0
J3A
N.C
TP9A
C26A 0.01
R53A
10k
CID[1]
5:4A
CID[2]
5:4A
TP35A
TP34A
TP33A
TP65A
TP33B
TP34B
TP72A
TP29B
TP29A
TP73A
TP68A
TP69A
D3A
1
2
3
4
T1A
1
34
5
6
T2A
1
3
4
5
6
Q1A
E
C
B
Q2A
E
C
B
TP4A
TP3A
J4A
N.C
TP14A
TP70A
TP62A
DG
RL1A
NC
4
3
2
1
TP71A
R[1]
1:2B
T[1]
1:2B
A
B
1
NC
NC
N.C
N.C
N.C
N.C
N.C
N.C
SURGE
PROTECTOR
CPC BELL
DETECTION CIRCUIT
CURRENT
DETECT CIRCUIT
PULSE DIALING
CIRCUIT
DIAL SHUNT
CIRCUIT
SEND AMPLIFIER
CONFERENCE SW
MUTE SW
3rd PAD
SW
SHUNT
SW
MUTE
SW
CONF
SW
RECEIVE
AMP
RECEIVE
MUTE SW
2W/4W CONVERT CIRCUIT
B/N
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