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TROUBLESHOOTING & REPAIR |
POWER BOARD REMOVAL
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H1
LEAD
H2
LEAD
C
LEADS
NEG
LEAD
#40
LEADS
MOUNTING1J21 SCREWS
|
|
| J21 |
H1 |
| 40 G1 | |
|
| B | G2 |
|
|
| |
H2 | 4J20 |
|
|
|
|
| |
| 2J20 | J20 | 1J20 |
|
| ||
C
NEG
#40
3J22 J22 1J22
4J22
2J22
POWER BOARD
L7941
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FIGURE F.14-Power Board Removal/Replacement
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REMOVAL/REPLACEMENT
PROCEDURE
1.Disconnect input power to the machine.
2.Remove the Left Case Side Assembly.
3.Perform the CAPACITOR
DISCHARGE PROCEDURE.
4.Remove the Molex Plugs J20, J21, and J22 from the Power Board.
PRO-CUT 60
5.Remove G1, G2, 40, & B lead spade lugs from the terminals on the SCR modules. See Figure F.14.
6.Remove the two C leads, the NEG lead, and the two # 40 leads by unscrewing the
terminal screws with a Phillips
head screw driver. See Figure F.14.
7.Remove leads H1 and H2 by unscrewing the terminal screws with a Phillips head screw driver. See Figure F.14.
