Element ELCHW321 User manual

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)

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 11
•Figure 11 shows all cables disconnected from the Main Board.
(Figure 11)

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 12
•Remove the 6 screws that secure the Main Board and Bracket. Gently lift Main Board from
Mount.
(Figure 12)

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 13
(Figure 13)

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 14
•Remove the 1 screw that secures the side Bezel from the Main Board.
(Figure 14)
•Gently remove the side Bezel from Main Board
(Figure 15)

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 15
•To reinstall the Main Board, secure the side Bezel with 1 screw. Use 6 screws to secure the
Main Board to mount, ensuring screw holes line up correctly. Reconnect all the cables. Note:
do not force the cables as they are designed to only fit in their correct slot.

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 16
6. Keyboard Replacement
•Remove Back Cover.
•Disconnect Keyboard cable.
•Remove 2 outer screws and carefully lift the Keyboard from the unit.
(Figure 16)
•Remove the 2 inner screws and lift the cover from the Keyboard. Use extreme care when
releasing the tabs along the edge of the cover, as the tabs are very delicate.
(Figure 17)
•To reinstall the Keyboard, place the cover over the Keyboard and secure the 2 inner screws.
Place the Keyboard in slot and secure the 2 outer screws then reconnect the cable.

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 17
7. LED/IR Board Replacement
•Remove the Back Cover.
•Remove the 2 screws securing the LED/IR Board to the unit. Gently lift the board up then
disconnect the cable.
(Figure 18)

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 18
•The LED lens may need to be transferred from original board to the new board. Just release the
tabs on back and the lens will pop off.
(Image 19)
•To reinstall connect the cable, and then secure with the 2 screws.

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Proprietary & Confidential Page 19
8. Parts Lists
ELEMENT ELCHW321Parts list
No. Part No. Part Name Description Category
1 122149 Main board RSAG2.908.1553-3\ROH P1
2 119904 Power board RSAG2.908.1400- 1\ROH P1
3 116295 IR board RSAG2.908.1260-2\ROH P1
4 113354 Key pad RSAG2.908.1088\ROH P1
5 1044276 LVDS cable HX-0145\ROH P1
6 1041171 Speakers wire TJC3H-4Y-400-600\ROH P1
7 1055278 Speakers YDT5016-10W8R-H\ROH P1
8 1051636 Power cord YS-05+YS-22A\ROH P1
9 1060618 Remote control EN-31607E\ROH P1
10 1049482 Stand WG6.121.054\H1\ROH P2
11 1051735 Front bezel RSAG8.074.553\Z1\ROH P2
12 1048975 Light window RSAG8.640.065\ROH P2
13 1051723 Back cover RSAG8.074.524\Z1\ROH P2
14 1051670 Side label RSAG8.804.3293\ROH P2
15 1057588 Bottom label RSAG8.804.3429\ROH P2
16 1060488 Rating label RSAG8.807.4341\ROH P2
17 1049943 Stand hole cover RSAG8.634.064\Z0\ROH P3
18 1028377 Accessories bag RSR8.840.049\ROH P3
19 1028375 Stand screw bag RSAG8.840.016\ROH\STD P3
20 1028333 Battery LR03(7#)\ROH P3
21 1056131 Upper foam RSAG8.870.1336\ROH P3
22 1056132 Below foam RSAG8.870.1337\ROH P3
23 1060414 TV box RSAG6.875.4373\ROH P3
24 1036391 Cover RSAG8.634.047\ROH P3
25 1060853 User manual IES090555\ROH P3
26 1052403 Quick start guide IEB080507\ROH P3
27 1052079 Service page IEB080503\ROH P3
28 1052249 CHILD SAFETY English IEB080506\ROH P3
29 1052734 CHILD SAFETY Spanish IEB080510\ROH P3
30 1044923 Remote code guide English IES070520\ROH P3
31 1052733 Remote code guide Spanish IEB080509\ROH P3
32 1060848 Warranty card English IEB090503\ROH P3
33 1060849 Warranty card Spanish IEB090504\ROH P3
Note Description
P1 Main electronic parts for service.
P2 Cosmetic parts, mainly used in refurbishing.
P3 Package or refurbishing parts, most of it is used in refurbishing.

Element (ELCHW321) 32 inch LCD Television Service Manual
Proprietary & Confidential Page 20
Wiring part numbers
No. Part # Function Factory code
1 1044276 LVDS cable HX-0145\ROH
2 1041171 Speaker wires TJC3H-4Y-400-600\ROH
3 1042085 Power board to Main board TJC10T-14Y-450\ROH
4 1034088 Keypad wire TJC10T-3Y-650\ROH
5 1029223 IR board wire TJC10T-5Y-400\ROH
6 1041501 Power inlet to Power board TJC2-3Y-500-2-S\ROH
Image courtesy of Hisense (Image 20)
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