Lincoln Electric LN-25 SVM179-B Service Manual page 103

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