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4.3.4
Small Signal Board (SSB)
Instructions for removing the SSB
Refer to
Figure 4-22
for details.
1. Release the clips from the LVDS connector that connect
with the SSB [1].
Caution: be careful, as these are very fragile connectors!
2. Unplug all other connectors [2] and the FFC connector [3].
3. Remove all the fixation screws from the SSB [4].
4. Shift the SSB from the side connector cover, lift it and take
it out of the I/O brackets.
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2
2
4
Figure 4-22 SSB mounting/removing 7100, 7120, 7170, 7180 series
Instructions for mounting the SSB
To mount the (replacement) SSB, perform all the steps of the
SSB removing procedure in reverse order.
4
Figure 4-21 Keyboard & Ambilight removal 7100, 7120, 7170 and 7180 series
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19810_112.eps
Mechanical Instructions
Caution
Avoid the risk of damage to the SSB or failing circuitry!
The TV set might reboot under load conditions (regardless of
the firmware version), when thermal foams are not present or
not fully covering the SOC and other circuits!
Observe the following rules when handling the SSB:
•
Make sure that all parts are at the right location.
•
Carefully check all thermal foams between the SSB and
the display panel.
Refer to Spare Part list (SBOM) and 10-7-1 Thermal
Foams on 7100 series to make sure that:
–
all required foams are present on the display panel,
–
no foam is damaged,
–
each foam has the right dimensions,
–
each foam is placed at the right location (and with the
right angle),
•
Make sure the EMC foams on the SSB shields are not
damaged and correctly mounted.
•
Insert all screws at the original position.
•
Make sure that all cables are placed and connected in their
original position.
4.3.5
Power Supply Unit (PSU)
Caution: it is mandatory to remount all different screws at their
original position during re-assembly. Failure to do so may result
in damaging the PSU.
1. Gently unplug all connectors from the PSU.
2. Remove all fixation screws from the PSU.
3. The PSU can be taken out of the set now.
4.3.6
Speakers
1. Gently release the tapes that secures the speaker cables.
2. Unplug the speaker connectors from the SSB.
3. Take the speakers out.
When defective, replace the both units.
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QV15.1E LA
4.
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EN 25
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19810_111.eps
2015-Dec-18
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