Read Panasonic KX-TS2352CAB / KX-TS2352CAW / KX-TS2352RUB / KX-TS2352RUC / KX-TS2352RUJ / KX-TS2352RUW / KX-TS2352UAB / KX-TS2352UAC / KX-TS2352UAJ / KX-TS2352UAW Service Manual Supplement online
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NC: No Components
KX-TS520 SCHEMATIC DIAGRAM (Main)
Ringer
Handset Sending
Handset Receiving
Handset Sending
Handset Receiving
SA102
NC
2
1
TP1
TP2
C140
0.1u
22u
50V
C12
D14
*D12
30V
TP4
Q140
C141
NC
TP5
TP21
GND
D11
R106
100k
C107
0.01u
*R117
1k
*C108
NC
C111
0.01u
*R118
8.2k
*C115
220u
6.3V
C103
NC
TP9
TP10
TP94
VDD
VSS
TP80
*Q101
SA101
*C109
22u
16V
D104
NC
Q107
R119
15
*R1
6.8k
0.5W
*IC201
7
VCC/AVCC
12
VOL3
13
VOL2
14
VOL1
15
RINGOUT
16
RXMUTE
21
KEYIN3
22
KEYIN2
23
KEYIN1
24
KEYIN0
28
PULSE
29
STB3
30
STB2
31
STB1
32
STB0
4
P4_7/XOUT(/XCOUT)
5
VSS/AVSS
6
P4_6/XIN(/XCIN)
9
BEEP
10
TX-MUTE
11
VOL4
18
HW
19
R_DET
20
KEYIN4
25
DTMF_H
26
DTMF_L
27
PULSE_MUTE
1
VREF
2
MODE
3
RESET
8
NC
17
TP_SW
TP99
TP96
TP98
TP95
TP87
TP85
TP83
TP84
TP86
R11
100k
C1
1u 250V
C101
680p 500V
C102
680p 500V
R141
470k
*C200
470u 6.3V
*C116
NC
Q11
C11
NC
C223
NC
C224
NC
C222
NC
C221
NC
C220
NC
*R105
4.7k
R17
15k
*D13
5.6V
*C117
NC
*JJ1
2
1
*D106
5.1V
C230
NC
*R112
NC
*C106
NC
*R150
NC
*Q151
R151
NC
*R152
NC
*R120
270
*R121
8.2k
*R122
NC
*R502
30k
*R501
18k
*C114
3900p
*Q150
*D150
R142
NC
RI+
+
RI-
*L102
NC
TP93
PCB
*R182
NC
*R180
0
*R181
NC
*Q181
*R153
NC
*R116
NC
*Q12
*L101
NC
*Q130
*R101
5.6M
D101
4
1
3
2
*R115
0
*POS101
SW3
1
2
3
4
5
*R103
150k
C104 NC
*R19
NC
TP3
*R16
12k
D1
C105
0.01u
JP101
R21
330k
R22
220k
C21
0.056u
D22
Q21
TP89
NC2
NC1
JJ3
2
1
*SW2
NC
1
2
3
7
6
4
5
*SW1
4
C
1
2
3
5
6
*R18
0
J1
NC
J3
*J4
NC
*SW101
1
3
2
4
6
5
J5
J6
J8
R104
330k
Q102
NC
J7
LED-
LED+
LED+
LED+
LED-
R23
470k
R140
470k
Q103
*R111
NC
*D21
24V
J12
R207
470k
J15
J16
D204
25V
*L107
NC
*CN1
*CN102
*CN103
*CN104
*CN105
*CN106
*CN107
*CN103
*CN104
*CN105
*CN106
*CN107
*CN108
*CN109
*CN109
*CN1010
*CN1011
*CN1012
*CN1013
*CN1011
*CN1012
*CN1013
SA102-FOR SA, CN ONLY
PULSE
1
Operational PCB (2AP)
RING DETECT
14
HOOK DETECT
**Only for VEF04
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