Weller WXP120 TEARDOWN

Here is another teardown. This time it is the Weller WXP120 soldering iron.


C1 2.6uF
C2 1uF
C3 200pF
C4 1nF
C5 156nF

D1 (Blue SMD led)
D2 (Blue SMD led)
D3 (Blue SMD led)
D4 (Blue SMD led)
D5 SCHOTTKY BARRIER DIODE? (JVX)

HeatElement (24V 120W, 4.8 Ohm)

R01 300E (301)
R02 300E (301)
R03 300E (301)
R04 300E (301)
R05 2.2K (222)
R06 1K (010)
R07 33K (3302)
R08 2.6K ()
R09 4.3K (432)
R10 8K2 (8201)
R11 47E (470)
R12 33K (333)
R13 1M (01E)
R14 4.7M (475)
R15 100K (01D)

U1 (K136)
U2 (B3W0)
U3 (EC61)
U4 (C58)
U5 (P53/1)
U6 ()



NET_Indigo (GND)
C1-2
C2-1

C3-1
C5-2
R8-1
R11-1
U1-2
U2-2
U2-5
U3-2
U4-6
U4-7
U5-4
U6-2
Weller-2
HeatElement-2
SenseElement-2
Y1-1
Y2-2

NET_Purple (+5V)
C1-1
C2-2

D1-(+)
D2-(+)
D3-(+)
D4-(+)
D5-(+)
R5-1
R9-2
R10-2
U1-5
U2-4
U3-4
U4-8
U5-8
Weller-6

NET_Red (Heating)
HeatElement-1
Weller-1

NET_Yellow (TipGround)
TipGround-1
Weller-4

NET_Lime (I2C SCL)
U2-1
U3-5
U4-1
U5-6
Weller-3

NET_Orange (I2C SDA)
U2-3
U3-3
U4-2
U5-7
Weller-5

NET_Gray25Light
C3-2
R7-1
R10-1
SenseElement-1

NET_Gray50Dark
C4-1
R6-2
R14-1
R15-1
Y1-2

NET_Lavender
R15-2
U6-1

NET_Rose (ADC1)
R5-2
R8-2
U4-4

NET_DarkRed (ADC2)
R6-1
U4-5

NET_Turquise
C4-2
C5-1
R14-2
D5-(-)
Y2-1

NET_Brown
R9-1
R11-2
R12-1

NET_LightYellow
R12-2
R13-1
U1-4

NET_Green
R7-2
U1-3

NET_BlueGray (ADC0)
R13-2
U1-1
U4-3

NET_LightTurquose1a
R1-1
U5-1

NET_LightTurquose1b
D1-(-)
R1-2

NET_LightTurquose2a
R2-1
U5-2

NET_LightTurquose2b
D2-(-)
R2-2

NET_LightTurquose3a
R3-1
U5-3

NET_LightTurquose3b
D3-(-)
R3-2

NET_LightTurquose4a
R4-1
U5-5

NET_LightTurquose4b
D4-(-)
R4-2

NET_NC
U3-1