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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 [email protected] Revision V1.0 A
3
E
9-Jun-2003 Sheet of C:\Program Files\Design Explorer 99 SE\My designs\WELLER\Weller.Ddb Drawn By: 6
Weller EC-2002 DISPLAY PCB
3.5 5,5 8 58 23 43,5 33,5
71 10 24,5 32
13 15 45
BC327 BC327 BC327
30 29
150n/100
CA3161E
CA3162E
50K
10K
MAN71A MAN71A MAN71A 1u 1u
BC337
17K8 17K8 2K43
10K
200K 200K 270E
10K
U1
U2
470U / 25V
T1
Dp1 C2 C3
1N4004 1N4004
7805
1u
T2
T3
P1 C5
P2 R1 R2 R3
Dp2
Dp3
P3
T4
R6 R5 R4
R7 Sw1
D2 D1
C1
U3
C4
587 03 802
1
2
3
4
5
6
D
A D R5 200K, 1% R6 +5V 200K, 1%
+5V D
T3 BC327
T2 BC327 P2 10K READ SW1 R1 C CONTROL PCB 5 4 3 2 1 17K8, 1% R2 17K8, 1% 6 11 10 SET P3 10K ZERO ADJ. P1 50K T1 BC327 C5 150nF 100V 8 9 12 14 16 14 14 14 3 3 3 1 13 10 8 7 2 11
U2 ADJ ADJ CAP V+ 5 3 4
U1 a b c d e f g 13 12 11 10 9 15 14 1 13 10 8 7 2 11 V+
LSD NSD SPEED MSD Hi IN Lo IN BCD-3 BCD-2 BCD-1 BCD-0 CA3162E 7 13 GND GAIN
DP1 CA CA a b a c d f g b e e c f d g dp dp MAN71A 9
1 13 10 8 7 2 11
DP2 CA CA a b a c d f g b e e c f d g dp dp MAN71A 9
DP3 CA CA a b a c d f g b e e c f d g dp dp MAN71A 9
C
CA3161E 8 R4 270
C3 1uF
R3 2K43, 1%
GND
16 15 1 2
6 2 1 7
BCD-3 BCD-2 BCD-1 BCD-0
B E
GND D2 1N4004 C2 1uF, tant R7 10K 2
1
B T4 BC337 3 GND
+5V D1 B 1N4004 C1 A 470uF / 25V C GND 2 1 U3 Vin GND Vout 3 C4 7805 1uF, tant Title Weller EC-2002 DISPLAY PCB Size B Date: File: 1 2 3 4 5 Number [email protected] Revision V1.0 A
9-Jun-2003 Sheet of C:\Program Files\Design Explorer 99 SE\My designs\WELLER\Weller.Ddb Drawn By: 6