Lincoln Electric 11519 Service Manual page 112

G-8
SchEmaTic - DiSPLay Pc bD (L10951)
ELEcTricaL DiaGramS
J10 LATCH
13 12 1 2
4 R10 X5 X5
475
C9
.0047
50V
500
J10
SCK
11 10
5 R9 X5
475
C8
.0047
50V
500
J10
MOSI
9 8
6 R8 X5
475
C7
.0047
50V
500
500
R1
221
R2
221
R13
+5VA
221
D1
R3
221
R4
Vdd
J10 221
X1
R14 X3
515 7
IN OUT
7805
221
MC14489
C1
GND C2
4.7
18
Vss
35V
15V
J10
500 8
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
500
16 a 7
BANK4
X3
3 8
15 BANK3 b 6
1
3 5
Vdd c
2
13 BANK2 d 4 4
5
9 2
BANK1 e
6
17 BANK5 h 19 7
9
DISP3
12 14
DATA IN Vss
10
11 CLOCK g 20
10 1
/ENABLE f
18 DATA OUT Rx 8
MC14489
500
500
16 a 7
BANK4
X4
15 BANK3 b 6
1
3 5
Vdd c
2
13 BANK2 d 4 4
5
9 2
BANK1 e
6
17 BANK5 h 19 7
9
12 14
DATA IN Vss
10
10 /ENABLE g 20
11 1
CLOCK f
18 DATA OUT Rx 8
MC14489
500
3 Vdd 3
14
C3 X5
X4
C10 C4 5 6
X5
0.1
0.1 0.1
50V HEXINV
50V 50V
MC14489
Vss
14 14
7
3 4
X5
500
3 8 3 8
1 1
2 2
4 4
5 5
6 6
7 7
DISP2 DISP1
9 9
10 10
3 8
3 8 3 8
1 1
2 2
VOLTS
4 4
5 5 LED3
6 6
7 7
DISP7 DISP6 DISP5
9 9
10 10
G-8
Power miG® 255XT