Sony KDL-19L4000 / KDL-26L4000 Service Manual ▷ View online
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SECTION 2 DISASSEMBLY
Screws
2-1. Stand & Rear Cover Removal (19 inches)
Screws
Remove the 3 fixing screws indicated and lift the TV off
the stand.
the stand.
Remove the rear cover fixing screws indicated and pull the
rear cover gently backwards away from the back of the
TV set.
rear cover gently backwards away from the back of the
TV set.
Screw Part number(s) and Description(s)
1) 2-580-639-01 SCREW, +BVTP2 4 X 12 9 Screws
2) 7-685-646-79 SCREW, +BVTP 3 X 8
2) 7-685-646-79 SCREW, +BVTP 3 X 8
3 Screws
2-2. Rear Cover Removal (26 inches)
Remove the 3 stand fixing screws indicated.
Screw Part number(s) and Description(s)
2-580-608-01 SCREW, +PSW M5X16
3 Screws
2-4. Loudspeaker Removal
To remove the ‘Loudspeaker’ disconnect the speaker
cables and remove the 3 screws circled. The loudspeaker
can then be pulled gently backwards away from the back
of the TV set.
The same process is used for the left and right speakers.
cables and remove the 3 screws circled. The loudspeaker
can then be pulled gently backwards away from the back
of the TV set.
The same process is used for the left and right speakers.
Screw Part number(s) and Description(s)
2-580-639-01 SCREW, +BVTP2 4X12 3 Screws (for each speaker) (19 inches)
2-580-640-01 SCREW, +BVTP2 4X16 3 Screws (for each speaker) (26 inches)
2-580-640-01 SCREW, +BVTP2 4X16 3 Screws (for each speaker) (26 inches)
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4) 2-580-608-01 SCREW, +PSW M5 X 16 3 Screws
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The stand must be removed before the rear cover can be
removed.
removed.
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1
2-3. Stand Removal (26 inches)
Remove the rear cover fixing screws indicated and pull the
rear cover gently backwards away from the back of the
TV set.
rear cover gently backwards away from the back of the
TV set.
Screw Part number(s) and Description(s)
1) 2-580-640-01 SCREW, +BVTP2 4 X 16 14 Screws
2) 2-580-606-01 SCREW, +PSW M5X8
2) 2-580-606-01 SCREW, +PSW M5X8
1 Screw
3) 7-685-646-79 SCREW, +BVTP 3 X 8
3 Screws
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Remove the felt from the wire harness. Disconnect the
harness from the main board. The Key Board sub assy
can now be lifted from its guide boss.
harness from the main board. The Key Board sub assy
can now be lifted from its guide boss.
Guide
Boss
Boss
Felt
2-5. Switch Unit Sub Assy Removal
Open the clamps holding the wire harness. Disconnect the
harness from the main board. The Key Board sub assy
can now be lifted from its guide boss.
harness from the main board. The Key Board sub assy
can now be lifted from its guide boss.
Guide
Boss
Boss
19 inch
26 inch
Clamps
19 inch
26 inch
Ver 3.0
Ver 3.0
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2-7. B Board Removal
2-8. Power Board Removal (19 inches)
Disconnect the 4 harnesses from the board. Remove the 6
screws circled and ease the board gently away from the back
of the TV set.
screws circled and ease the board gently away from the back
of the TV set.
Screw Part number(s) and Description(s)
1) 4-382-854-01 SCREW, +PSW M3 X 8
6 Screws
Disconnect the 6 harnesses from the board. Remove the side
cover by releasing the clips at the top and bottom of the
bracket. Remove the 9 screws circled. The board can then be
carefully lifted from the TV.
cover by releasing the clips at the top and bottom of the
bracket. Remove the 9 screws circled. The board can then be
carefully lifted from the TV.
Screws
Clips
Screw Part number(s) and Description(s)
4-382-854-01 SCREW, +PSW M3 X 8
9 Screws
1
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1
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2-6. H5 Board Removal
To remove the H5 Board disconnect the wire harness
and remove the screws circled.
and remove the screws circled.
Screw Part number(s) and Description(s)
7-685-646-79 SCREW, +BVTP 3 X 8
2 Screws
Remove the STAND-BKT by removing the 4 screws
circled. The H5 board will now be exposed.
circled. The H5 board will now be exposed.
Screw Part number(s) and Description(s)
2-580-639-01 SCREW, +BVTP 4 X 12
4 Screws
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2-9. Power Board Removal (26 inches)
Disconnect the 3 harnesses from the board. Remove the 7
screws circled and ease the board gently away from the back
of the TV set.
screws circled and ease the board gently away from the back
of the TV set.
Screw Part number(s) and Description(s)
1) 4-382-854-01 SCREW, +PSW M3 X 8
5 Screws
2) 7-685-646-79 SCREW, +BVTP 3 X 8
2 Screws
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3-1. How to enter the Service Mode
Service adjustments to this model can be performed using the
supplied Remote Commander RM-ED014.
supplied Remote Commander RM-ED014.
SECTION 3 ADJUSTMENTS
3.
The following menu appears on the screen (See Pic.1).
4.
Move to the corresponding adjustment item using the
‘ ’ or ‘ ’ arrow buttons on the Remote Commander.
‘ ’ or ‘ ’ arrow buttons on the Remote Commander.
5.
Press the ‘ ’ arrow button to enter into the required menu
item.
item.
6.
Adjust the data value using the ‘ ’ or ‘ ’ arrow buttons on
on the Remote Commander.
on the Remote Commander.
7.
To go back at any time press the ‘ ’ button on the Remote
Commander.
Commander.
8.
Press the Red button or ‘Menu’ button on the Remote
Commander to quit the Service Mode when all adjustments
have been completed.
Commander to quit the Service Mode when all adjustments
have been completed.
+
1.
Turn on the power to the TV set.
2.
Press the following sequence of buttons on the Remote
Commander.
Commander.
Pic.1
3-2. Service Menu Structure
The following description shows the items that can be
viewed and/or adjusted using the Service Menu.
viewed and/or adjusted using the Service Menu.
Pic.2
Pic.3
•
After carrying out the service adjustments, to prevent the
customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON again.
customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON again.
3-2-1. Service General Menu
The following menu appears on the screen when you enter
the ‘Service General Menu’ (See Pic.2). This menu allows
you to view the product information, set the TV into Aging
Mode and perform Software Upgrade to the TV set.
the ‘Service General Menu’ (See Pic.2). This menu allows
you to view the product information, set the TV into Aging
Mode and perform Software Upgrade to the TV set.
3-2-2. Service Alignments Menu
The following menu appears on the screen when you enter
the ‘Service Alignments Menu’ (See Pic.3). This menu
allows adjustment of the TV picture levels. These adjustments
are set during manufacture and should not normally require
further adjustment.
the ‘Service Alignments Menu’ (See Pic.3). This menu
allows adjustment of the TV picture levels. These adjustments
are set during manufacture and should not normally require
further adjustment.
i+
5
+
(ON SCREEN (DIGIT 5) (VOLUME +) (TV)
DISPLAY)
DISPLAY)
I/
TV
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The following menu appears on the screen when you enter
the ‘OSD Service Menu’ (See Pic.5). This menu
allows viewing and adjustment of the AGC and viewing of the
Sound Status.
the ‘OSD Service Menu’ (See Pic.5). This menu
allows viewing and adjustment of the AGC and viewing of the
Sound Status.
Selection of ‘Virgin Mode’ (See Pic.4), allows the writing of
default data to the NVM. Select the ‘ ’ or ‘ ’ and the
Green button to store the data. Restart the TV.
default data to the NVM. Select the ‘ ’ or ‘ ’ and the
Green button to store the data. Restart the TV.
3-2-3. Virgin Mode
3-2-4. OSD Service Menu
Pic.5
The following menu appears on the screen when you enter
the ‘Country Selection Menu’ (See Pic.6). Using this menu
the destination country of the TV can be set.
the ‘Country Selection Menu’ (See Pic.6). Using this menu
the destination country of the TV can be set.
3-2-5. Country Selection Menu
Pic.6
3-2-6. Reset
Pic.7
Selection of ‘Reset’ (See Pic.7) allows the TV to be reset to
factory shipping condition. This will restore all settings to those
which were contained in the TV on first shipment.
factory shipping condition. This will restore all settings to those
which were contained in the TV on first shipment.
Pic.4
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