AVX-505
- Replacement of Backlight of the LCD 5.5 Monitor
1. Facilities and tools required for operation(5) Remove the flexible PCB shown as Ob,� and the
(1) Fingerstallsconnector shown as Oc� in Fig. 6.
(2) Grounding bandNote: Do NOT damage the flexible PCB.
(3) Workbench with conductive mat (workbench with
electrostatic protection)(6) Remove the PCB Unit.
(4) Cross-headed-tip and flat-tip screwdriversNote: Do NOT damage the electrical parts on the PCB
(5) Backlight for replacementUnit.
Recommendation: Uneven luminance will be caused if(7) Remove the protection sheet.
dirt and dust deposit on the fluore-Note: Do NOT damage the protection sheet.
scent tube during replacement. To
avoid this, replacement should be(8) Lightly insert a flat-tip screwdriver into the gaps
performed with a cleanbench(three places) indicated as Oa� (D) in Fig. 7, then
(equivalent to Class C) or in a clean-remove the side frame.
room. The product (LCD module)Notes:
may be damaged by static1) Do NOT deform the side frame.
electricity. Use of ionizer (or other2) Do NOT damage the flexible PCB.
electrostatic protection facilities) is
recommended.(9) Remove the cable of the Backlight Assy from the
two tabs indicated as Oa� in Fig. 8.
2. Preparation
(1) Wear fingerstalls and grounding band.(10) Without applying excessive pressure to the
(2) Set the power switch of the ionizer to ON.adjacent areas, hold the cable of the Backlight
Assy and carefully remove the assembly.
3. ReplacementNote: If the lamp is broken inside the Backlight Assy,
(1) Set the power switch of the main body to OFF andremove the assembly with adequate caution
leave as it is until the lamp cools downfor pieces of broken glass. There may be a
adequately, then start operation.possibility of pieces of broken glass remaining
in the lamp holder compartment. Remove such
(2) With the LCD module display facing downward,pieces of broken glass carefully.
place the LCD monitor on the workbench with
electrostatic protection.(11) Carefully insert the new Backlight Assy.
Note: Be careful not to damage the display surface of
the LCD module.(12) Hook the cable of the Backlight Assy on the two
tabs (Oa� in Fig. 8) of the backlight chassis.
(3) Lightly insert a flat-tip screwdriver into the gaps
(three places) indicated as Oa� (D) in Fig. 5, then(13) As shown in Fig. 7, hook the holes on parts Oa�
remove the rear frame.(three places) to install the side frame.
Note: Do NOT deform the rear frame.Notes:
1) Do NOT deform the side frame.
(4) Use a cross-head-tip screwdriver to remove the2) Do NOT damage the flexible PCB.
two screws from parts indicated as Oa� (D) in Fig.
6(14) Install the protection sheet.
Notes:Note: Do NOT damage the protection sheet.
1) Use a screwdriver matching the screw hole
(precision screwdriver, etc.).(15) Install the PCB Unit.
2) Do NOT damage the electrical parts on the PCBNotes:
Unit.1) Do NOT damage the electrical parts on the PCB
Unit.
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ACEC
