Output transistor output diodes, Troubleshooting and repair, Secondary output board assembly test (continued) – Lincoln Electric INVERTEC SVM161-A User Manual

Page 80

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OUTPUT TRANSISTOR

OUTPUT DIODES

FIGURE F.19 – SECONDARY POWER BOARD LOCATION

SECONDARY OUTPUT BOARD ASSEMBLY TEST (continued)

PROCEDURE

1. Remove input power to the V205-T machine.

2. Using a phillips head screwdriver, remove the

case wraparound cover.

3. Perform the Capacitor Discharge Procedure

detailed earlier in this section.

4. Locate the Secondary Power board and associ-

ated plugs. Do not remove plugs from the
board.
See Figure F.19.

5. Perform the output diode resistance check per

Table F.13.

6. Carefully apply the correct input voltage to the

V205-T and check for the correct secondary
voltages per Table F.13.

TROUBLESHOOTING AND REPAIR

F-40

F-40

INVERTEC® V205-T AC/DC™

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