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Circuit Diagrams and PWB Layouts
Clock Module
CLOCK DISPLAY
O
TestLand1
1
J1
C1
C6
100nF
CAP NP
TestLand2
1
J3
TestLand3
1
J5
+5V
D1
R7
10K
BAT54
C2
C3
10uF
100nF
Y1
12MHz
R13
+5V
10K
R14
10K
TO
0247
H1
1
2
OR
J6
3
+5V
4
TO
0237
J
3139 187 1499.1
J6
C2
+
1
4
Y1
BZ1
+
U2
L04HE AA
7.
TestLand4
1
RB6
J2
TestLand5
1
RB7
J4
U1
PIC16C62A
1
21
Port0
MCLR/VPP
RB0
22
Port1
20
RB1
VDD
23
Port2
RB2
24
Port3
RB3
8
25
Port4
VSS
RB4
26
Port5
19
RB5
VSS1
RB6
27
RB6
28
RB7
LED-DRIVER
RB7
11
RC0
9
12
OSC1
RC1
13
Port6
RC2
16
Port7
RC5
Port8
17
RC6
10
18
Port9
OSC2
RC7
2
Port10
RA0
Port11
3
RA1
4
Port12
RA2
15
Port13
5
RC4/SDA
RA3
6
Port14
RA4
7
RA5
14
RC3/SCL
R28
100R
+5V
2
Q6
1
BC857B
3
BZ1 +
BUZZER
-
R26
R25
100R
47R
2
Q7
1
BC847
3
1
5
D3
R9 R8
R2 R1
D2
R5 R4
59
+5V
R2
Port4
1K
+5V
R4
Port5
1K
+5V
R6
Port8
1K
+5V
R9
Port9
1K
+5V
R11
Port14
1K
R16
2K2
R18
Port6
4K7
R17
Port0
100R
Port1
R19
Port2
100R
Port3
R21
Port10
100R
Port11
R23
Port12
100R
R27
Port13
Port7
10K
Q7
R25
C1
R26
Q6
R27
R28
Y1A
R22
U1
Q1
BC857B
R1
2K2
Q2
BC857B
R3
2K2
Q3
BC857B
R5
2K2
Q4
BC857B
R8
2K2
Q5
BC857B
U2
R10
LTC2623
1
14
11
8
12
10
2K2
4-DIGIT, 6-SEGMENT LED
NC
NC
A
B
C
D
E
F
G
DP
9
4
13
15
2
6
5
16
7
3
R18
100R
R20
100R
R22
100R
R24
100R
Alarm
Message
D2
D3
RED LED
YELLOW LED
E_14820_052_2.eps
151204
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