Vizio E422VA Mainboard Replacement

ID: 174509

Description:

Steps:

1. Philips #2 screws, 15.0 mm
2. Philips #2 screws, 29.5 mm
3. Philips #2 screws, 8.0 mm
4. VESA mount points (M6, 10mm, 400mm * 200mm)

5. After all screws removed, the rear plastic cover can be lifted off.

6. Mainboard
7. Power Supply / Backlight Inverter
8. Timing Control (T-Con) Board

9. 4-pin connector to T-Con board. Depress plastic clip at left side and wiggle connector side to side slightly to remove.
10. 13-pin connector to Power Supply board. depress plastic clip at left edge and wiggle connector side to side. May need to pry up top/bottom edge with flat head screwdriver; alternate gradually.
11. 42-pin connector. Pry up with flat head screwdriver on left/right edges, alternating gradually.
12. Grounding clip. Using a poking tool, press at center to release catch and pull clip in indicated direction.

13. 8-pin connector. Depress clip and pull connector upwards from board.
14. 10-pin connector. Depress clip and pull connector upwards from board.
15. 4-pin connector to speakers. Depress Clip and pull connector in indicated direction.
16. mounting screw. Philips #2 @ 6mm

17. If your replacement board is missing the bottom I/O shield, you can remove the I/O shield from the old board by removing the marked screw (Philips #2).