Element ELCHW321 Manual de usuario

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 1

Element (ELCHW321) 32 inch LCD TV Service Manual

Overview:

The purpose of this manual is to guide Nexicore technicians through the proper procedures for

servicing the Hisense 32 inch LCD televisions. Utilizing this manual will assist technicians with

proper replacement of all major components of the unit.

Table of Contents:

1. Stand Removal

2. Wall Mount Removal

3. Back Cover Removal

4. Power Supply Unit Replacement

5. Main Board Replacement

6. Keyboard Replacement

7. LED/IR Board Replacement

8. Parts Lists

Required Tools:

Non-marking Pry Tool

Phillips Head Screwdriver

Anti-Static Wrist Strap

Kapton Tape or Electrical Tape

Ant-Static Mat

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 2

1. Stand Removal

•To ensure no damage to the front LCD Panel, gently place unit face down on padded

anti-static mat with the stand hanging over the edge of the work surface.

(Figure 1)

•Remove the 4 screws that secure the stand to the unit.

(Figure 2)

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 3

•Slide stand from unit by gently pulling it towards you.

(Figure 3)

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 4

2. Wall Mounting Bracket Removal

•To ensure no damage to the front LCD Panel, gently place unit face down on padded

anti-static mat.

•Remove the 4 screws that secure the wall mounting bracket (wall mounting bracket not

pictured here).

(Figure 4)

•Gently remove the bracket from the unit.

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 5

3. Back Cover Removal

•To ensure no damage to the front LCD Panel, gently place unit face down on padded

anti-static mat.

•Remove the 14 screws from the perimeter of the back cover.

(Figure 5)

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 6

•Next, remove the remaining 2 screws from the center section of the back cover.

(Figure 6)

•Carefully lift the back cover from the unit.

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 7

4. Power Supply Unit Replacement

•Remove Back Cover.

•Disconnect the 8 cables attached to the Power Supply Unit (PSU).

(Figure 7)

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 8

•Figure 8 shows all cables removed from the PSU.

(Figure 8)

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 9

•Remove the 6 screws securing the PSU board to the mount.

(Figure 9)

•Gently lift the PSU from the mount.

•To reinstall the PSU place unit on mount ensuring screw holes line up properly.

•Reinstall the 6 screws.

•Reconnect all cables.

Element (ELCHW321) 32 inch LCD Television Service Manual

Proprietary & Confidential Page 10

5.Main Board Replacement

•Remove Back Cover.

•Disconnect all cables from Main Board.

•Some connectors may have secure hot glue on them. Please peel off the glue before remove the

connector, otherwise the connector could be damaged.

(Figure 10)

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