Service manual

9 209
Parts Replacement
Replacement Procedure
9. Parts Replacement
A52 LCD Removal
Tools Required
• Torx screwdriver, T15
• Pozidriv Screwdriver, pt size #1 (small), #2 (medium)
Procedure
1. Remove the front panel as described in the “Front Panel Removal” procedure.
2. Remove the LCD’s cover.
3. Pull the flat cable out from the magnetic core stuck on the cover.
4. Remove the LCD Assembly from the cover.
5. Remove the shield from the cover.
6. Disconnect the cable from the inverter.
A40 Preregulator Replacement
Tools Required
• Torx screwdriver, T15
• Pozidriv Screwdriver, pt size #1 (small), #2 (medium)
Procedure
1. Remove the top, bottom and left side covers as described in the “Top Cover Removal”,
“Bottom Cover Removal” and “Side Cover Removal” procedures.
2. Remove the top shield.
3. Remove the A50 board as described in “A2/A8/A50/A51 Replacement”.
4. Remove the shield between the A50 board and the Preregulator.
5. Remove all cables connected to the preregulator.
6. Remove the seven screws (item ¨ and ¦) to remove the side strut (item Æ).
7. Remove the two screws at the side of the chassis. (item Ø)
8. Remove the four screws (item ×) from the preregulator.
9. Gradually lift the preregulator.