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G-20
ELECTRICAL DIAGRAMS
POWER WAVE 455/POWER FEED 10
G-20
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POWER FEED 10 DISPLAY PC BOARD SCHEMATIC
LED- 4
FILENAME: L10276_1AB
LED2
LED1
14
3
Rx
Vdd
d
BANK1
g
DATA OUT
f
CLOCK
MC14489
DATA IN
h
Vss
BANK3
BANK4
BANK2
a
/ENABLE
e
c
BANK5
b
X3
18
9
17
6
5
2
10
19
8
1
13
12
16
20
11
15
4
7
D
A
C
B
DP
DISP4
4 7
1
5
3
2
6
9
8
DISP2
2
1
4
9
5
10
7
6
8
3
AMPS
WFS
D-
DIODES =
2
DISP- 8
R-
SUPPLY
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
C-
LABELS
LAST NO. USED
POWER SUPPLY SOURCE POINT
X- 5
14
1/4W
UNLESS OTHERWISE SPECIFIED)
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
COMMON CONNECTION
.022/50V
FRAME CONNECTION
1A, 400V
(
MFD
CAPACITORS =
RESISTORS = Ohms (
VOLTAGE NET
10
DR.
DATE
SUP'S'D'G.
2/5/96
SHT.
SCALE
10276
THE LINCOLN ELECTRIC CO.
TYPE
NO.
L
EQUIP.
SUBJECT
NONE
CLEVELAND, OHIO U.S.A.
EARTH GROUND CONNECTION
CTT
CHK.
DISP3
2
1
4
9
5
10
7
6
8
3
DISP1
2
1
4
9
5
10
7
6
8
3
500
500
475
R9
J1
5
X5
10
11
10K
R5
10.0
R4
GND
IN
OUT
X2
D1
J1
8
10.0
R13
MC14489
Vss
Vdd
X4
3
14
J1
6
4.7
35V
C5
MC14489
Vss
Vdd
X3
3
14
18
15V
C6
4.7
35V
C1
10.0
R2
18
15V
C2
GND
IN
OUT
X1
10.0
R3
50V
.0047
C9
1
2
J1
7
D2
50V
.0047
C8
1
2
10.0
R14
10.0
R1
475
R8
50V
.0047
C7
1
2
LATCH
X5
89
10K
R6
10K
R7
475
R10
J1
4
X5
2
1
+5VB
500
+5VA
500
500
500
10276
512
L
SCK
7805
7805
MOSI
X5
12
13
VOLTS
HEXINV
X5
14
7
LED3
DISP6
2
1
4
9
5
10
7
6
8
3
DISP5
2
1
4
9
5
10
7
6
8
3
TRIM
DISP7
2
1
4
9
5
10
7
6
8
3
50V
0.1
C3
D
A
C
B
DP
DISP8
4 7
1
5
3
2
6
9
8
500
LED4
50V
0.1
C4
X5
6
5
X5
4
3
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
NUMBER.
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON HOLES SIZES PER E-2056
NOTES :
Ch'ge.Sht.No.
WITH PUBLISHED STANDARDS
ON 2 PLACE DECIMALS IS + .O2
MATERIAL TOLERANCE ("t") TO AGREE
ON ALL ANGLES IS + .5 OF A DEGREE
ON 3 PLACE DECIMALS IS + .OO2
1.50K
R12
50V
0.1
C10
1.50K
R11
500
500
14
3
Rx
Vdd
d
BANK1
g
DATA OUT
f
/ENABLE
MC14489
DATA IN
h
Vss
BANK3
BANK4
BANK2
a
CLOCK
e
c
BANK5
b
X4
18
9
17
6
5
2
11
19
8
1
13
12
16
20
10
15
4
7
SCHEMATIC, STANDARD DISPLAY PCB
XA
POWER DRIVE WIRE FEEDER
BS
10-17-97A
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro-
vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the
machine.