Table of Contents
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TP517
CN501
1
HOOK_SW
SW531
2
COL0
3
COL1
4
COL2
5
COL3
6
COL4
7
ROW0
8
ROW1
9
ROW2
10
ROW3
11
ROW4
12
ROW5
13
CS
14
RES
15
A0
16
D6(SCL)
17
D7(SI)
VDD1
18
VDD1
VDD2
19
VDD2
20
GND
GND
21
LED4
22
LED3
23
LED2
24
LED5
TP513
TP512
TP516
TP515
TP514
TPLED4
TPLED3
TPLED2
TPLED5
TP507
R507
10K
C501
0.47u KB
C502
0.47u KB
C503
0.47u KB
C504
0.47u KB
C505
0.47u KB
C506
1u
C507
1u
C510 1u
C508
1u
C509
1u
1
2
3
SW530
SW529
SW528
4
5
6
SW525
SW520
SW515
7
8
9
SW524
SW519
SW514
*
0
#
SW523
SW518
SW513
EXIT
ANSWER
SP_SW
SW522
SW517
SW512
SW532
GREETING
M1
M2
SW521
SW516
SW511
TP509
TP508
CN502
22 TEMPS
21 C86
20 V0
19
V4
18
V3
17
V2
16 V1
15
CAP2-
14 CAP2+
13 CAP1+
12
CAP1-
11
CAP3+
10 VOUT
9
VSS
8
VDD
7
D7(SI)
6 D6(SCL)
5 E
4
RW
3
A0
KX-TCD540NZM: SCHEMATIC DIAGRAM (BASE UNIT) Operation
2 RES
1
CS
X1
UP
SW527
SW526
X2
LEFT
SW510
SW505
X3
DOWN
SW509
SW504
MUTE
RIGHT
SW508
SW503
STOP
CLEAR
SW507
SW502
M3
TALK
SW506
SW501
TP511
TP510
Q501
Q502
Q503
Q504
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