Read Panasonic KX-TCD755RUS Service Manual online
18 SCHEMATIC DIAGRAM (BASE UNIT)
(1)
(5)
(6)
(7)
(8)
(9)
(10 )
(11)
(2)
(3)
(4)
R86
N.M.
TP43
R60
390R
TP65
R1
N.M.
SA3
C37
N.M.
R34
N.M.
C93
N.M.
TP14
C25
N.M.
N.M.
C35
N.M.
N.M.
R17
15R 1W
C42
100uF/10V
100uF/10V
TP2
TP44
TP40
TP66
JMP16
N.M.
R55
100K
R72
10R
C14
22nF 630V
R38
180K
180K
C27
4.7nF
TP45
JMP18
N.M.
TP48
R58
N.M.
C23
3n3/500V
JMP13
N.M.
TP12
TP88
J2
DCJACK
1
2
3
2
3
T11
E
C
B
TP186
T3
N.M.
E
C
B
+3.3V
R7
180K
C48
1uF
R73
10K
R19
1M5
R9
220K
R56
56R
56R
T7
E
C
B
R39
10K
C22
N.M.
R49
N.M.
TP73
GND
D1
N.M.
JMP17
N.M.
TP70
TP71
TP84
C5
TP90
R35
100K
R36
2K7
R59
390R
R41
33K
33K
+2.65V
JMP3
N.M.
TP50
C17
680pF/500V
C44
10pF
10pF
C34
C28
220nF
R37
220K
220K
R20
180K
C32
10nF
10nF
R74
2K2
R54
18K
18K
T5
N.M.
N.M.
E
C
B
R27
N.M.
D8
0.5A 600V
1
2
3
4
C21
N.M.
L3
C33
N.M.
C12
22nF 630V
TP26
R30
0R
C45
100uF/10V
100uF/10V
RL1
N.M.
12 +
8 10 7
6
3
5
1
-
+2.65V
C36
2u2/50V
R32
N.M.
R12
5M6
T13
E
C
B
TP89
C1
10nF
R21
1M5
JMP19
0R
C24
N.M.
T9
E
C
B
R40
2K2
TP51
TP49
R31
N.M.
TP15
R23
180K
TP69
T8
E
C
B
R57
22R
22R
T4
N.M.
E
C
B
J1
TelJack
1
2
3
4
5
6
R70
5K6
R85
N.M.
TP52
D10
30V
TP39
C16
680pF/500V
TP95
TP16
C40
100uF/16V
JMP9
N.M.
N.M.
N.M.
R26
N.M.
TP67
JMP4
N.M.
C26
N.M.
TP54
R43
150R
TP5
TP77
T2
N.M.
E
C
B
R33
N.M.
C47
2.2uF
R3
5M6
C29
N.M.
IC2
2
VOUT
ADJ
1
3
VIN
4
VOUT
R122
N.M.
JMP15
N.M.
CLIP_STATE
HOOK
DTXAF
TXAF
LINE_C
LINE_C
VUNREG
CHARGE_PULSE
DTXAF
EARTH
Positive charge terminal
Negative charge terminal
2.65V DC
3.3V DC
TX-AF
0V ON-HOOK
+0.7V OFF-HOOK
+0.7V OFF-HOOK
RX-AF
0V ON-HOOK
+2.8V OFF-HOOK
+2.8V OFF-HOOK
0V ON-HOOK
+4.6V DC OFF-HOOK
+4.6V DC OFF-HOOK
+60V DC ON-HOOK
+4.8V DC OFF-HOOK
+4.8V DC OFF-HOOK
LINE VOLTAGE 60V DC
60V
DC
DC
81
KX-TCD755RUS
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