JVC LT-42R90BU Service Manual

1-10 (No.YA596<Rev.001>)
SECTION 3
DISASSEMBLY
3.1 CAUTION AT DISASSEMBLY
• Make sure that the power cord is disconnected from the outlet.
• Pay special attention not to break or damage the parts.
• Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors.
• Be sure to reattach the wire clamps removed during the procedure to the original positions. (Attaching the wire clamps in wrong
positions may affect the performance.)
REFERENCE:
When removing each board, remove the connector if necessary. The operation is easier if you write down the connection points
(connector numbers) of the connector. For connection of each board, refer to the "WIRING DIAGRAM" of the Standard Circuit
Diagram.
3.2 DISASSEMBLY PROCEDURE
3.2.1 REMOVING THE REAR COVER (Fig.3-1)
(1) Remove the 1 screw [A].
(2) Remove the POWER CORD COVER.
(3) Remove the POWER CORD.
(4) Remove the 8 screws [B] and 12 screws [C].
(5) Remove the REAR COVER.
3.2.2 REMOVING THE POWER PWB (Fig.3-1)
• Remove the REAR COVER.
• Remove the POWER CORD.
(1) Remove the 6 screws [D].
(2) Remove the POWER PWB.
3.2.3 REMOVING THE MAIN PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 1 screw [E].
(2) Remove the TERMINAL BASE.
(3) Remove the 4 screws [F].
(4) Remove the MAIN PWB.
3.2.4 REMOVING THE REMOTE PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 1 screw [I].
(2) Remove the REMOTE PWB.
3.2.5 REMOVING THE SW PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 2 hooks [a].
(2) Remove the CONTROL ASS’Y with SW PWB.
(3) Remove the SW PWB.
3.2.6 REMOVING THE STAND ASS’Y (Fig.3-1)
(1) Remove the 4 screws [J].
(2) Remove the STAND.
3.2.7 REMOVING THE LED PWB (Fig.3-1)
• Remove the REAR COVER.
• Remove the STAND ASS’Y.
(1) Remove the 3 screws [K], 4 screws [L] and 3 screws [M].
(2) Remove the MAIN BASE.
(3) Remove the 2 screws [N] and 2 screws [P].
(4) Remove the BOTTOM FRAME.
(5) Remove the 2 screws [Q].
(6) Remove the LED PWB.
3.2.8 REMOVING THE SPEAKER (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the SPEKAER.
3.2.9 REMOVING THE LCD PANEL UNIT (Fig.3-1)
• Remove the REAR COVER.
• Remove the STAND.
• Remove the CONTROL ASS’Y.
• Remove the REMOTE PWB.
• Remove the MAIN BASE.
• Remove the BOTTOM FRAME.
(1) Remove the 3 screws [R].
(2) Remove the LCD SUPPORT BRACKET.
(3) Remove the LCD PANEL UNIT from the FRONT PANEL.

JVC LT-42R90BU Specifications

General

Brand	JVC
Model	LT-42R90BU
Category	LCD TV
Language	English