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SEWING MACHINE DIV. 20 MODEL 385,19001890
CHECK ELECTRONIC PARTS
6. STEPPINGMOTORS
ZIGZAG (D) AND FEED (E) STEPPING MOTORS:
• RESISTANCEBE1M/EENPIN 4 AND PIN 5
PiN 4 AND PIN 6
PiN 9 AND PIN 8
PIN 9 AND PIN 7...
SHOULD ALL BEAPPROXIMATELY 12 OHMS.
(E)
PIN 5 (YELLOW)
PIN 4 (WHITE) ._
PIN 6 (BROWN)
PIN 4 (WHITE) ,_
PIN 9 (BLACK)
PIN 8 (BLUE)
PIN 9 (BLACK)
PIN 7 (RED)
X-AXIS (F) AND Y-AXIS (G) STEPPING MOTORS:
• RESISTANCEBETWEENABOVE PINS SHOULD BEAPPROXIMATELY 10.7 OHMS.
(F)
PIN 5 (YELLOW)
PIN 4 (BLACK) ._
PIN 6 (BLUE)
PIN 4 (BLACK) ._l
PIN 8 (BROWN)
PIN 9 (WHITE) _I
PiN 7 (RED)
PIN 9 (WHITE)
(G)
68
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