Electrical diagrams, Ln-25 pro & lf-72, Schematic, timer pcb – Lincoln Electric LN-25 SVM179-B User Manual
Page 103: A.01, G-25
ElECTriCal DiaGrams
G-25
lN-25™ prO
sChEmaTiC - K2330 TimEr KiT pC BOarD - all CODEs (m21341-1)
01
3/27/2007
LN-25 PRO & LF-72
11
12
19
SCHEMATIC, TIMER PCB
M20337
MFN
21341-1B0
01
A.01
5021492-A
PLOTTING DELIMITER - DON’T DELETE
SINCE COMPONENTS OR CIRCUITRY ON A
PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGE-
ABILITY OF A COMPLETE BOARD, THIS
DIAGRAM MAY NOT SHOW THE EXACT
COMPONENTS OR CIRCUITRY OF CONTROLS
HAVING A COMMON CODE NUMBER.
1A,400V
1/4W
.022/50V
LABELS
SUPPLY VOLTAGE NET
FRAME CONNECTION
COMMON CONNECTION
(UNLESS OTHERWISE SPECIFIED)
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
UNLESS OTHERWISE SPECIFIED)
(
GENERAL INFORMATION
MFD
CAPACITORS =
RESISTORS = Ohms (
UNLESS OTHERWISE SPECIFIED)
ELECTRICAL SYMBOLS PER E1537
DIODES =
M
D-
C-
LAST NO. USED
DESIGN INFORMATION
APPROVED:
ENGINEER:
DRAWN BY:
REFERENCE:
DO NOT
SCALE THIS
DRAWING
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED
TO OTHER PARTIES, OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.
PROPRIETARY & CONFIDENTIAL:
EQUIPMENT TYPE:
SUBJECT:
MATERIAL
DISPOSITION:
NA
APPROVAL
DATE:
PROJECT
NUMBER:
NUMBER:
DOCUMENT
DOCUMENT
REVISION:
PAGE OF
R-
4 J60
5
B/B VIPER
J60
6
J60
7
GAS ON/OFF
J60
8
GAS FLOW ENABLE
J60
180
100 MHz
L2
8
4
CY8C27143
X2
Vdd
Vss
6
2
7
1
5
3
CY8C27143
X2
P0[5]
P0[4]
P0[3]
P1[1]
P0[2]
P1[0]
10K
R2
CW
COM
Postflow
10K
R3
CW
Preflow
10K
R1
CW
12.1K
R13
2.21K
R11
COM
100K
R5
1A/FR
400V
D8
1A/FR
400V
D9
+5V
COM
+5V
0.022uF
50V
C10
0.1uF
50V
C4
COM
COM
100
R10
1A/FR
400V
D7
1A/FR
400V
D6
COM
+15V
COM
100K
R6
0.1uF
50V
C3
1A/FR
400V
D1
1A/FR
400V
D2
COM
+5V
1K
R7
100K
R14
COM
100K
R15
0.1uF
50V
C12
1A/FR
400V
D10
1A/FR
400V
D11
COM
+5V
1K
R16
0.1uF
50V
C9
7805
X1
OUT
GND
IN
82uF
35V
C5
22uF
63V
C6
180
100 MHz
L3
0.1uF
50V
C7
180
100 MHz
L1
0.1uF
50V
C2
COM
COM
1A/FR
400V
D4
1A/FR
400V
D5
+15V
+5V
+5V
195mA
60V
Q1
0.1uF
50V
C11
0.1uF
50V
C1
1A/FR
400V
D3
2 J60
1
COM
J60
3
+15V
J60
4.75K
R17
4.75K
R12
33.2K
R8
COM
COM
COM
+5V
+15V
+5V
35V
4.7uF
C8
2K
R9
R18 2K
Power_Detect
Power_Detect
R19
13.7K
+15V
L- 3
X- 2
Q- 1
100 ms
100 ms 100 ms
100 ms
GAS_ON_OFF
b
d
5V
MFN
G-25
NOTE:
This diagram is for reference only. It may not be accurate for all machines covered by this manual.