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(1)
C86
C15
C48
R52
C16
0.047u
18K
C14
100n
R34
(2)
100n
180K
C13
R35
100n
27K
(3)
(4)
REV_TEST2
(5)
REV_TEST1
C95
(2125)
R29
2.2K
(6)
C10 100n
(7)
R37
33R
R38
33R
0V (without Headset)
1V (with Headset)
MIDI signal
(8)
RESET
(9)
+2.7V
IC10
2.7V
1
8
A0
VCC
2
7
A1
WP
3
6
A2
SCL
4
5
VSS
SDA
0V
(10)
(11)
(12)
(13)
(14)
SCL
(15)
(16)
SW1
C
P
PUSH
(17)
COM
B
A
D
(18)
(19)
ROW3
ROW2
TALK
SOFT_A
ROW1
5
8
ROW0
0
(20)
(21)
+4V
SP_TEST2
IC2
1
8
CD
VO2
1u
0V
1u
2
FC2
GND
7
C80
3
6
FC1
VCC
3.9V
2.2u
21-25
4
5
VIN
VO1
SP_TEST1
R36
68K
C38
470P
C77
10P
Receiver
C42
R75
C43
10u
0R
N.M.
N.M.
MIC
R50
100R
P2
P3
P0
PANEL
PWM1
CLEAR
1
SP
MAIL
4
9
6
3
2
R
INT
7
#
Speaker
+2.7V
Q8
R65
CN4
HEADSET JACK
N.M.
1
5
4
3
C70
2
100n
R62
37 VIB
38 DrvGND
D2/SCLK
39 PANEL
D3/ARQ
40 PWM0
D4/SRQ
41 PWM1
D5/ERQ
42 PWM2
D5/TESTO
IC4
2.7V
43 PWM3
D7/TESTO
44 DVDD
0V
45 DGND
46 TEST1
47 PTESTIN2
48 RESET
PTESTO2
TP13
TP9
TP8
CLK
TP6
TP5
TP4
IC5
2.7V
1
8
1A
VCC
2
7
3Y
1Y
3
6
2A
3A
4
5
GND
2Y
0V
R51
1M
X2
+2.7V
10k
0V
DGND
24
23
22
21
20
19
18
WR
17
RD
16
CS
15
ILE
14
13
+4V
TP1
1
GND
TP2
TX-DATA
2
GND
3
GND
TXDA
4
TXDA
R55
RSSI
5 RSSI
10K
TP3
6 VCC_OC
7 GND
SYCL
8 SYCL
SYDA
9 SYDA
SYEN
10 SYEN
11 GND
RXDSG
L2
4.7uH
SYRI
RXDA
PSEL
PAON
KX-TCA151EM: SCHEMATIC DIAGRAM (HANDSET)
A201
TP15
28
GND
VCC_PA
27
GND
26
PAON
25
24
PSEL
4.2V
23
GND
IC3
GND
22
GND
21
RXDA
20
19
GND
GND
18
RX-DATA
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