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TK-3180 SCHEMATIC DIAGRAM
34
7
6
5
4
3
2
1
A B C D E
X54-347 1/2
C524
4.7u16
1
1A
2
3Y
3
2A
4
GND
5
2Y
6
3A
7
1Y
8
VCC
1
1A
2
3Y
3
2A
4
GND
5
2Y
6
3A
7
1Y
8
VCC
R571
0
C538
4.7u
R545
R546
C527
1u10
CN507
E40-6410-05
1
2
3
4
5
L553
R542
470
R547
R574
C501
470p
C525
470p
C528
1u10
C556
1000p
R544
R541
470
C537
4.7u
C555
1u
L550
R575
0
1
VIN
2
VSS
3
NC1
4
NC2
5
VoUT
R552
470
C500
470p
C503
470p
R560
470k
L554
R573
470k
C523
4.7u16
C502
470p
R543
470
CN508
E40-6413-05
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C553
1000p
2SJ144(Y)
Q505
S
D
G
R540
470
C554
1000p
(X54-3470-XX)
SIDE KEY
SECTION
LCD ASSY
(B38-0900-05)
K1
LCD CONTROL
LCD CONTROL
SW1
VOLTAGE
REGULATOR/LCD
SW2
SW1
CONTRAST CONTROL
5M
GND
PTT
DISPLAY UNIT
SW2
LCDRS
LCDCS
CLK
DATA
LCDRST
PTT
470k(D) 27k(D)22k
0
180k
IC501
XC6201P352MR
IC503
HD74LV2G34AUS
GND
K1
PTT
SW2
SW1
C2+
V5out
RESET
SCL
P/S
C1+
C1-
OSC1
Vci
OSC2
NC
V5
Vss
CS
SIO
RS
VDD
C2-
R/W
Vss
IC502
HD74LV2G34AUS
3.51V
3.51V
4.98V
Note : The components marked with a dot (
•
) are parts of layer 1.