Miller Syncrowave 250 DX Technical Manual page 59

15
Stabilizer
Z1
20
High
Frequency
Transformer
T3
♦
22
Pulser Control Board PC2
♦
23
Sloper Control Board PC3
Syncrowave 250 DX
17
16
Hall Device
Output
HD1
Selector
Switch
S5
21
Spark Gaps G
Capacitor C3
AC Or DC Control Circuits
1φ
Weld Current Circuit
♦
Optional
19
18
High
Frequency
Coupling
Coil T4
19
Power
15 Stabilizer Z1
Smooths DC welding current.
16 Hall Device HD1
Provides current feedback signal to
PC1.
17 Output Selector Switch S5
Provides either AC or DC and out-
put polarity.
18 High Frequency Coupling Coil
T4
Provides high frequency to welding
circuit.
19 Electrode And Work Weld
Output Terminals
Provide weld output.
20 High Frequency Transformer
T3
Steps up voltage to charge high fre-
quency circuit.
21 Spark Gaps G1
Provides current path for high fre-
quency ringer circuit. Also, coarse
adjustment for high frequency in-
tensity.
22 Pulser Control Board PC2
(Optional)
Provides user interface for pulser
functions.
23 Sloper Control Board PC3
(Optional)
Provides user interface for sloper
functions.
TM-359 Page 55