12
200TS
MAINTENANCE
3.7 PCB7 (WK-5460) and Q3A-Q4C "Primary IGBT"
1) Remove the Side Panel. [See section "11.1-1"]
2) Remove the four screws and two IGBT Spring Clips. Remove the cables from edge holder.
3) Disconnect the connector CN1 on the PCB6. Cut the lead of the Q3-Q4C.
Remember to install new Silicone Rubber Sheets where silicone compound (Shinetsu Silicone G-747 or
equivalent) was spread when reinstalling the PCB7. Spread the silicone compound on IGBT.
2
CN1
1
1
3
12 – 14