Service_Weller_EC2002.pdf

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Service
information
EC-2002 Soldering station
WELLER
©
WARNING
THIS IS NOT ORIGINAL INFORMATION
FROM WELLER. THEREFORE THE
AUTHOR CAN NOT BE HELD
RESPONSIBLE FOR ANY MISTAKE.
FOR INFORMATION ONLY
Weller EC-2002
CONTROL PCB
80
21
10,5
52
10
10
4,5
120K
10n/630
150n/100
1N4004
1N4004
178K
100E
R1
C1
C2
D1
D2
R4
R3
P1
R2
P2
2K5
4K02
2K5
SL443A
100E
150n/100
330K
330K
3K48
8K2
1N4004
1K
TIC225M
240E / 1W
.47
78L005
100E
10K
LM358N
U1
120K
0E
1N4004
5K6
220u
16V
22n/400
1K
5K6
R7
C3
R8
R9
R10
R11
D3
R12
U4
C4
U3
R13
R14
R15
R18
C6
D4
C5
R5
R6
U2
R17
R16
587 03 700
1
2
3
4
5
6
D
D
2
P1
2K5
R3
3
100, 1%
P2
2K5
5
4
3
2
1
LEAD
R2
4K02, 1%
R4
178K, 1%
V+
1K
8
2
U2A
1
3
LF353N(8)
4
LD1
R6
10K
2
D3
GREEN
C
D
R12
BLACK
VIOLET
WHITE
4
5
PL1
3
2
1
GRAY
GRAY
R16
4
5K6
D4
1N4004
2
1
1
R10
3K48, 1%
R17
VCC
1K, 1%
C
R13
240
1W
V+
V+
U4
3
Vin
GND
+5V
1
Red
4
330K
1
C6
C4
1
P3
2
2K5
Pink
8K2
8
330K
C3
150nF / 100V
100V 150nF
R1
C2
120K
B
R11
0.47uF / 50V
W
2
5
6
LF353N(8)
CD
CT
R8
SL443A
6
7
5
Brown
R5
B
100
D2
1
2
1N4004
1
D1
2
1N4004
VCC
C
B
A
GRAY
WHITE
R14
R15
5
C5
120K
0
22nF / 400V
1
2
3
VCC
GRAY
24V TR
12V
0
230V~
SW1
F1
1A
C1
10nF / 630V
1
R9
8
R18
U1
POT.
CS
5K6
U2B
7
2
AC INP.
U3
4
R7
100
COM.
TIC225M
1
2
3
4
5
DISPLAY PCB
3
1
1N4004
MC78L05CP
220uF / 16V
VCC
2
TRIAC
R (+7V)
POWER
A
Title
Weller EC-2002 Temperature control
Size
B
Date:
File:
1
2
3
4
5
Number
IHabets@Yahoo.com
Revision
V1.0
A
3
E
9-Jun-2003
Sheet of
C:\Program Files\Design Explorer 99 SE\My designs\WELLER\Weller.Ddb
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