JVC LT-26F80BU, Service Manual

Page: 10 / 55

1-10 (No.YA534)
SECTION 3
DISASSEMBLY
3.1 DISASSEMBLY PROCEDURE
NOTE:
• Make sure that the power cord is disconnected from the outlet.
• Pay special attention not to break or damage the parts.
• When removing each board, remove the connectors as required.
• Taking notes of the connecting points (connector numbers) makes service procedure manageable.
• Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors.
3.1.1 REMOVING THE FOOT ASSEMBLY
(1) Remove the 6 screws [A] .
(2) Remove the FOOT ASSEMBLY.
3.1.2 REMOVING THE BACK COVER
• Remove the FOOT ASSEMBLY.
(1) Remove the 10 screws [B] .
(2) Remove the 2 screws [C] and 2 screws [D] .
(3) Remove the BACK COVER.
3.1.3 REMOVING THE HANGER WALL METAL
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [F] .
(2) Remove the HANGER WALL METAL.
(3) Remove the opposite one by the same method.
3.1.4 REMOVING THE SIDE CONTROL PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [G] .
(2) Remove the FUNCTION BUTTON BRACKET.
(3) Remove the 2 screws
[H] .
(4) Remove the FUNCTION BUTTON with the SIDE CONTROL PWB.
(5) Remove the 4 claws, which is fixing the SIDE CONTROL PWB.
(6) Remove the SIDE CONTROL PWB.
3.1.5 REMOVING THE AV JACK PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [J] .
(2) Remove the AV JACK BRACKET.
(3) Remove the 4 screws
[K] .
(4) Remove the AV JACK PWB.
3.1.6 REMOVING THE AMPLIFIER PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 4 screws [L] .
(2) Remove the AMPLIFIER PWB.
3.1.7 REMOVING THE POWER PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 4 screws [M] .
(2) Remove the POWER PWB.
3.1.8 REMOVING THE MAIN PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [N] .
(2) Remove the SOCKET COVER BRACKET.
(3) Remove the 7 screws
[P] .
(4) Remove the MAIN PWB.
3.1.9 REMOVING THE NOISE FILTER PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 3 screws [S] .
(2) Remove the NOISE FILTER PWB with the POWER INLET
BRACKET.
(3) Remove the 2 screws [T] .
(4) Remove the NOISE FILTER PWB.
3.1.10 REMOVING THE LED PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [U] .
(2) Remove the LED PWB.
3.1.11 REMOVING THE MAIN SPEAKER AND TWEETER
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [V] .
(2) Remove the MAIN SPEAKER.
(3) Remove the opposite MAIN SPEAKER by the same
method.
(4) Remove the 2 screws [W] .
(5) Remove the TWEETER.
(6) Remove the opposite TWEETER by the same method.
3.1.12 REMOVING THE LCD PANEL UNIT
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
• Remove the MAIN SPEAKER.
(1) Remove the 4 screws [X] and 4 screws [Y] .
(2) Remove the FRAME.
(3) Slightly raise the both sides of the LCD PANEL UNIT by hand
and remove the LCD PANEL UNIT from the FRONT PANEL.
NOTE:
• Pay special attention not to break or damage on the front of
the LCD PANEL.
• The LCD PANEL UNIT is fixed to the FRONT PANEL (at the
back side) by using double-side adhesive tapes. To remove
the LCD PANEL UNIT, remove the adhesive tape on the
FRONT PANEL slowly.
3.1.13 REMOVING THE INVERTER PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
• Remove the MAIN SPEAKER.
• Remove the FRAME.
(1) Remove the 6 screws [Z] .
(2) Remove the INVERTER PWB COVER.
(3) Remove the INVERTER PWB.