JVC LT-37DM6ZJ, Руководство по обслуживанию

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(No.YA299)1-11
SECTION 3
DISASSEMBLY
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 1 screw [A] , then remove the STAND
COVER.
(2) Remove the 4 screws [B] , then 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 3 screws [D] , and the 2
screws [E] .
(3) Remove the REAR COVER.
3.1.3 REMOVING THE REGULATOR PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 4 screws [F] , then remove the FAN
BRACKET.
(2) Remove the 1 screw [G] , then remove the POWER CORD
HOLDER.
(3) Remove the POWER CORD from the POWER PWB.
(4) Remove the REGULATOR PWB.
3.1.4 REMOVING THE POWER PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the FAN BRACKET.
(1) Remove the 4 screw [H] , then remove the POWER PWB.
3.1.5 REMOVING THE ANALOG SYGNAL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the FAN BRACKET.
(1) Remove the 3 screws [J] , then remove the TERMINAL
BASE.
(2) Remove the 5 screws [K] and 1screw [L] , then remove the
ANALOG SIGNAL PWB.
3.1.6 REMOVING THE FRONT CONTROL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 3 screws [M] , then remove the CONTROL
ASSY with the FRONT CONTROL PWB.
(2) Remove the FRONT CONTROL PWB.
3.1.7 REMOVING THE RECEIVER PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 3 screws [N] and the 1 screw [P] , then remove
the TUNER BASE.
(2) Remove the 2 screws [Q] , then remove the RECEIVER PWB.
3.1.8 REMOVING THE CONNECTOR PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the TOP SHIELD CASE.
(1) Remove the 4 screws [S] , then remove the RECEIVER
PWB BRACKET.
(2) Remove the 1 screw [T] , then remove the CONNECTOR PWB.
3.1.9 REMOVING THE DIGITAL TUNER UNIT (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the TUNER BASE.
(1) Remove the 7 screws [U] and the 3 screws [V] , then
remove the SHIELD COVER.
(2) Remove the 2 screws [W] , then remove the SIDE SHIELD
CASE.
(3) Remove the 5 screws [X] , then remove the DIGITAL
TUNER UNIT.
3.1.10 REMOVING THE DIGITAL SIGNAL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the TUNER BASE.
• Remove the DIGITAL TUNER UNIT.
(1) Remove the 5 screws [Y] , then remove the DIGITAL
BRACKET.
(2) Remove the DIGITAL SIGNALPWB.