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TROUBLESHOOTING & REPAIR |
WIRE DRIVE MOTOR AND TACHOMETER FEEDBACK TEST (continued)
FIGURE F.9 — PLUG J1 LOCATION ON G3521 PC CONTROL BOARD.
J6
J5
| J3 |
|
B | J8 | #555 |
(4J1) |
| |
| (6J1) | |
| J1 | |
W |
| |
(2J1) |
| #515B |
|
| |
#206B |
| (5J1) |
(1J1) |
|
|
| J4 |
|
| J2 |
|
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TEST PROCEDURE
NOTE: POLARITY MUST BE OBSERVED FOR THESE TESTS.
Test for Correct Wire Drive Motor Armature Voltage
1.Disconnect main input power to the machine.
2.Open the side panels and remove the tool tray using a 5/16 in. nutdriver.
3.Locate plug J1 on the G3521 control PC board. See Figure F.9.
4.Locate the following leads on plug J1:
| PLUG |
LEAD | LOCATION |
|
|
B | 4J1 |
W2J1
5.Connect the main power to the machine.
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