Velleman-Kit K8050, Assembly Manual

Page: 17 / 20

17
18. Schematic diagram.
Schematic diagram
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
OUT1
16
OUT2
15
OUT3
14
OUT4
13
OUT5
12
OUT6
11
OUT7
10
COMD
9
GND
8
IC2
ULN2003A
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
OUT1
18
OUT2
17
OUT3
16
OUT4
15
OUT5
14
OUT6
13
OUT7
12
COMD
10
GND
9
IN8
8
OUT8
11
IC3
ULN2803A
SK3
SK4
SK5
SK6
SK7
SK8
SK9
SK10
GND
GND
GND
LD15
D15
GND
LD14
D14
GND
LD13
D13
GND
LD12
D12
GND
LD11
D11
GND
D10
GND
LD9
D9
GND
LD8
D8
GND
LD7
D7
GND
LD6
D6
GND
LD5
D5
GND
LD4
D4
GND
LD3
D3
GND
LD2
D2
GND
LD1
D1
RA0 6
RA1
7
RA2 8
RA3
9
RB0
10
RB1
11
RB2
12
RB3 13
RB4
14
RB5 15
RB6 16
RB7
17
RC0
18
RC1
19
RC2
20
RC3
21
RC4
22
RC5
23
RC6
24
RC7
25
VSS
4
MCLR/VPP
28
OSC1/CLKIN
27
T0CKI
1
OSC2/CLKOUT
26
NC
3
NC
5
VDD
2
IC1
PIC16C55A
+V
GND
D17
D16
D18
D19
GND GND
X1
C1 C2
C5
GND GND
GND
+V
R17
+V
OUT
GND
IRx1
GND
+V
C6
R20
GND
SK1
SK2
T1
BC547
R16
LD16
GND
D20
D21
C8
GND
I O
GND
VR1
C3 C4
C7
+V
GND
15 SWITCHES
15 POS. ROTARY SWITCH
7 SWITCHES & 8 POS ROTARY SWITCH
7 POS. ROTARY SWITCH & 8 POS. ROTARY SWITCH
MODE D17
NOT MOUNTED
MOUNTED
NOT MOUNTED
MOUNTED
D1...D15: MOUNTED = TOGGLE MODE
NOT MOUNTED
NOT MOUNTED
D16
MOUNTED
MOUNTED
1 (D4 K6710)
2 (D6 K6710)
3 (D5 k6710)
ADDRESS SELECTION D19
NOT MOUNTED
MOUNTED
NOT MOUNTED NOT MOUNTED
NOT MOUNTED
D18
MOUNTED
GND
+V
VA
VB
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
+VCOM
1 2 3 4 5
SK11
1 2 3 4 5 6 7 8 9 1011121314151617181920
SK12
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14
CH15
+VCOM
GND
CH
1
CH
2
CH
3
CH
4
CH
5
CH
6
CH
7
CH
8
CH
9
CH
1
0
CH
1
1
CH
1
2
CH
1
3
CH
1
4
CH
1
5
+V
C
O
M
R15 R14 R13 R12 R11 R10 R9 R8 R4 R5 R6 R7 R3 R2 R1 R19 R18
GND