JVC LT-20DA6SK, Service Manual

Page: 9 / 96

(No.YA354)1-9
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 HINGE COVER
(1) Remove the 2 screws [A] .
(2) Remove the HINGE COVER.
3.1.2 REMOVING THE FOOT TOP COVER
• Remove the HINGE COVER.
(1) Remove the 2 screws [B] .
(2) Pull out the FOOT TOP COVER.
3.1.3 REMOVING THE FOOT ASSEMBLY
(1) Remove the 4 screws [C] .
(2) Remove the FOOT ASSEMBLY.
3.1.4 REMOVING THE THE HANDLE
• Remove the HINGE COVER.
• Remove the FOOT TOP COVER.
(1) Remove the 4 screws [D] .
(2) Remove the THE HANDLE.
3.1.5 REMOVING THE BACK COVER
• Remove the FOOT ASSEMBLY.
(1) Remove the 5 screws [E] .
(2) Remove the BACK COVER toward you.
NOTE:
If necessary, remove the HANDLE, SIDE AV COVER, CARD
SLOT COVER and BACK DOOR.
3.1.6 REMOVING THE SIDE CONTROL PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [F] .
(2) Remove the BUTTON FUNCTION with SIDE CONTROL
PWB.
(3) Remove the 4 craws which is fixing the SIDE CONTROL
PWB.
(4) Remove the SIDE CONTROL PWB
3.1.7 REMOVING THE METAL HANG
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 1 screw [G] .
(2) Remove the METAL HANG.
(3) Remove the opposite METAL HANG same steps.
3.1.8 REMOVING THE TERMINAL BOARD
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [H] .
(2) Remove the TERMINAL BOARD.
3.1.9 REMOVING THE MAIN PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
• Remove the TERMINAL BRACKET.
(1) Remove the 7 screws [J] .
(2) Remove the MAIN PWB.
3.1.10 REMOVING THE AV JACK BRACKET
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [K] .
(2) Remove the AV JACK BRACKET.
3.1.11 REMOVING THE AV JACK PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
• Remove the AV JACK BRACKET.
(1) Remove the 2 screws [L] .
(2) Remove the AV JACK PWB.
3.1.12 REMOVING THE LED PWB
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the 2 screws [M] .
(2) Remove the LED PWB.
3.1.13 REMOVING THE SPEAKER
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
(1) Remove the speaker wire from speaker terminal.
(2) Remove the 2 screws
[N] .
(3) Remove the SPEAKER PWB.
(4) Remove the opposite speaker same steps.
3.1.14 REMOVING THE LCD PANEL UNIT
• Remove the FOOT ASSEMBLY.
• Remove the BACK COVER.
• Remove the MAIN PWB and AV JACK PWB.
(1) Remove the 4 screws [O] .
(2) Remove the 5 screw [P] fixing the DISPLAY SUPPORT
and LCD PANEL UNIT.
(3) Sightly raise the both sides of the LCD PANEL UNIT by
hand from the FRONT COVER.
NOTE:
• Pay special attention not to break or damage on the FRONT
PANEL.
• The LCD PANEL UNIT is fixed to the FRONT COVER (at the
back side)by using double-side adhesive tapes. To remove
the LCD PANEL UNIT, remove the adhesive tape on the
FRONT COVER slowly.