Disassembly - JVC I'Art LT-37X987 Service Manual

3.1 DISASSEMBLY PROCEDURE
CAUTION AT DISASSEMBLY:
• Be sure to perform the SYSTEM SETTEING, at the end of the procedure.
• 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 STAND (Fig.1)
(1) Remove the 2 screws [A].
(2) Remove the STAND COVER.
(3) Remove the 4 screws [B].
(4) Remove the STAND.
3.1.2 REMOVING THE REAR COVER (Fig.1)
• Remove the STAND.
(1) Remove the JACK COVER (L/R).
(2) Remove the 10 screws [C], the 5 screws [D], and the 2
screws [E].
(3) Remove the REAR COVER.
3.1.3 REMOVING THE POWER PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 1 screw [F].
(2) Remove the POWER CORD HOLDER.
(3) Remove the POWER CORD.
(4) Remove the 4 screws [G].
(5) Remove the POWER PWB.
3.1.4 REMOVING THE D-AMP PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 2 screw [H] and 1 hook [a].
(2) Remove the D-AMP PWB.
3.1.5 REMOVING THE ANALOG PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the D-AMP PWB.
(1) Remove the 3 screws [J] and 2 screws [K].
(2) Remove the TERMINAL BASE.
(3) Remove the 1 screw [L].
(4) Remove the TUNER BASE.
(5) Remove the 2 screws [M].
(6) Remove the D-AMP BRACKET.
(7) Remove the 3 screws [N].
(8) Remove the 2 screws [P].
(9) Remove the ANALOG PWB.
3.1.6 REMOVING THE DC-DC PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 4 screws [Q].
(2) Remove the BACK BRACKET.
(3) Remove the 2 screws [R].
(4) Remove the DC-DC PWB.
SECTION 3

DISASSEMBLY

3.1.7 REMOVING THE COOLING FAN (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the BACK BRACKET.
(1) Remove the 7 hooks [b] of the SHIELD COVER.
(2) Remove the SHIELD COVER by sliding it in the direction of
the arrow.
(3) Remove the 2 screws [S].
(4) Remove the COOLING FAN.
3.1.8 REMOVING THE ATSC TUNER MODULE PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the BACK BRACKET.
• Remove the SHIELD COVER.
(1) Remove the 4 screws [T].
(2) Remove the ATSC TUNER MODULE PWB.
3.1.9 REMOVING THE OPTICAL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the BACK BRACKET.
• Remove the SHIELD COVER.
(1) Remove the 1 screw [U].
(2) Remove the OPTICAL PWB.
3.1.10 REMOVING THE SD CARD PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the BACK BRACKET.
• Remove the SHIELD COVER.
(1) Remove the 1 screw [V].
(2) Remove the SD CARD PWB.
3.1.11 REMOVING THE DIGITAL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the BACK BRACKET.
• Remove the SHIELD COVER.
• Remove the ATSC TUNER MODULE PWB.
• Remove the SD CARD PWB.
(1) Remove the 2 screws [W] and 2 screws [X].
(2) Remove the SHIELD TERMINAL.
(3) Remove the 7 screws [Y].
(4) Remove the DIGITAL PWB BRACKET.
(5) Remove the 2 screws [Z].
(6) Remove the DIGITAL PWB.
CAUTION :
Make sure to perform the "SYSTEM SETTEING", when
DIGITAL PWB is replaced.
(No.YA457)1-9