Lincoln Electric POWER WAVE C300 Service Manual page 80
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Also See for POWER WAVE C300:
- Operator's manual (72 pages) ,
- Specifications (2 pages) ,
- Operator's manual (72 pages)
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F-61
PLANAR TRANSFORMER RESISTANCE TEST PROCEDURE (continued)
Test Points
B 37 to B 41
B 39 to B 40
B 40 to B 38
B 8 to B 7
B 7 to B 9
B 37 to B 40
B 37 to B 7
B 40 to B 7
A ll Test Points to Chassis
G r ound
TROUBLESHOOTING AND REPAIR
TABLE F.12 – RESISTANCE CHECKS
E xpected Resistance
Reading
Z er o ohms
Z e r o ohms
Z e r o ohms
Z e r o ohms
Z er o ohms
In finity
In finity
In finity
In finity
POWER WAVE® C300
Comments
Continuity of Primary
Winding
of
Continuity of
1/2
Secondary Winding
Continuity of
1/2
of
Secondary Winding
Continuity of
1/2
of 48V
Winding
of 48V
Continuity of
1/2
Winding
Isolation between Pr imar y
and Secondar y Windings
Isolation between Pr imar y
and 48V Windings
Iso lation between
Secondar y and 48V
Windings
Isolation from all
windings to chassis
ground
F-61
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