JVC LT-Z37DX5, Service Manual

Page: 10 / 170

1-10 (No.YA362)
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 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 1 screw [G] , then remove the POWER CORD
HOLDER.
(2) Remove the POWER CORD from the POWER PWB.
(3) Remove the 4 screw
[H] , then remove the POWER PWB.
3.1.5 REMOVING THE PANEL I/F PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the FAN BRACKET.
(1) Remove the 4 screws [J] , then remove the PANEL I/F
PWB.
3.1.6 REMOVING THE ANALOG SYGNAL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the FAN BRACKET.
(1) Remove the 7 screws [K] , then remove the TERMINAL
BASE.
(2) Remove the 4 screws [L] , then remove the PANEL I/F
PWB BRACKET.
(3) Remove the 5 screws [M] and 2screws [N] , then remove
the ANALOG SIGNAL PWB.
3.1.7 REMOVING THE FRONT CONTROL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
(1) Remove the 3 screws [P] , then remove the CONTROL
ASSY with the FRONT CONTROL PWB.
(2) Remove the FRONT CONTROL PWB.
3.1.8 REMOVING THE RECEIVER PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the FAN BRACKET.
(1) Remove the 3 screws [Q] and the 1 screw [R] , then remove
the TUNER BASE.
(2) Remove the 4 screws [S] , then remove the RECEIVER
PWB.
3.1.9 REMOVING THE DIGITAL SIGNAL PWB (Fig.1)
• Remove the STAND.
• Remove the REAR COVER.
• Remove the TUNER BASE.
(1) Remove the 3 screws [T] and the 7 screws [U] , then
remove the SHIELD COVER.
(2) Remove the 5 screws [V] , then remove the DIGITAL
SIGNALPWB.
CAUTION:
Make sure to perform the "SYSTEM SETTING", when
DIGITAL SIGNAL PWB is replaced.