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R5
S1
C6
0
3
4
2
50V1
1
R6
68K
120K
Q1
R7
47K
R401
C112
Q109
33K
K0.1
C108
Q401
K0.1
C111
K0.01
(6.3V)
C401
NC
4.2V
(5.7V)
VR901 100K
C923
R921
R923
R922
10K
NC
39K
K1200P
K2200
IC201
C203
8 VCC
1
7
2
-
+
+ -
R204
6
3
390K
5
GND 4
R203 10K
3.7V
(3.7V)
IC303
Q302
C304
R310
VOUT
VCC
22K
K0.033
2.7V
The voltage during ON-Hook is indicated.
R313
100K
(
) shows the voltage during OFF-Hook.
Handset & Headset Incoming Signal
Handset Set & Headset Outgoing Signal
8
1
OUT
VDD
R2
7
2
HFI
CONT
18K
IC1
R4
6
3
HFO
LFI
R3
5
4
VSS
LFO
330K
R11
330K
R10
2.2K
J102
D107
NC
Q108
R121
R123
10K
C117
56
NC
Q193
Q191
R192
NC
C191 NC
Q424
C426
R432
K0.1
22K
Q423
C430
NC
D306
IC304
R315
3
2
OUT
IN
D307
0
VSS
1
4.0V
(5.3V)
J5
J2
D1
NC
3
1
NC
D3
J1 NC
J4
4
2
0
Q2
LED1
RINGER_LED
PC1
0
Q106
J117
0
R193
NC
Q192
NC
Q107
R117
6.8K
R191
NC
R100
R107
100K
390K
C100
K0.1
VR402
C414
R429
16V10
NC
R428
C425
C431
NC
K0.1
C423
5.6K
Q421
K0.01
C429
NC
(6.3V)
Q425
D308
R305
D304
D302
D305
D303
220
Speaker Phone Incoming Signal
Speaker Phone Outgoing Signal
C1
R1
250V1u
J3
0
6.8K
Q101
C101
K680P(500V)
R102
100K
D101
Q102
3
1
4
2
Q105
Q103
J101
NC
C102
K680P(500V)
D102
R104
47K
Q104
500
VR401 50K
R423
C422
R422
0
NC
K0.022
J405
NC
R444
NC
Q426
R440
47K
Battery Low
3.8V
IC302
VSS
NC
3
4
NC
VDD
2
VOUT
NC
1
5
(only T2375)
KX-TS2365RUB : SCHEMATIC DIAGRAM
TP101
JJ101
PO101
2
Tip
0
Ring
1
TEL-JACK
JJ102
2
Tip
TP102
Ring
1
DATA-PORT
TP401
Handset
1 MIC(+)
TP403
2 MIC(-)
TP402
J401
3 SP(+)
NC
4 SP(-)
CN401
2
3
4
5
1
Headset Jack
DCP
4.5V
BATTP
DCM
BATTN
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