Disassembly - JVC LT-23D50BK Service Manual

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 STAND UNIT
• Remove the TFT DOOR SOCKET, AV DOOR SOCKET & CI
COVER.
(1) Remove the 2 screws [A], then remove the FOOT TOP
COVER.
(2) Remove the 4 screws [B], then remove the STAND UNIT.
3.1.2 REMOVING THE HANDLE
• Remove the STAND UNIT.
(1) Remove the 4 screws [C], then remove the HANDLE.
3.1.3 REMOVING THE BACK COVER
• Remove the STAND UNIT.
• Remove the HANDLE.
(1) Remove the 5 screws [D], then remove the BACK COVER
toward you.
3.1.4 REMOVING THE BRACKET CI
• Remove the STAND UNIT.
• Remove the HANDLE.
• Remove the BACK COVER.
(1) Remove the 4 screws [E], then remove the MMC CARD.
(2) Remove the 2 screws [F], then remove the BRACKET CI.
3.1.5 REMOVING THE FAV PWB
• Remove the STAND UNIT.
• Remove the HANDLE.
• Remove the BACK COVER.
(1) Remove the 2 screws [G], then remove the FAV PWB.
3.1.6 REMOVING THE BRACKET SCART
• Remove the STAND UNIT.
• Remove the HANDLE.
• Remove the BACK COVER.
(1) Remove the 2 screws [H], then remove the BRACKET
SCART.
3.1.7 REMOVING THE MAIN PWB
• Remove the STAND UNIT.
• Remove the HANDLE.
• Remove the BACK COVER.
• Remove the BRACKET SCART.
(1) Remove the 9 screws [J], then remove the MAIN PWB.
SECTION 3

DISASSEMBLY

3.1.8 REMOVING THE LCD PANEL UNIT
• Remove the STAND UNIT, HANDLE & BACK COVER.
• Remove the BRACKET SCART & MAIN PWB.
(1) Remove the 1 screw [K], then remove the DISPLAY
SUPPORT from the FRONT COVER.
(2) Follow the same step when removing the other three
DISPLAY SUPPORTS.
(3) Remove the 2 screws [L], then remove the MAIN FRAME
with the LCD PANEL UNIT from the FRONT COVER.
(4) Remove the 7 screws [M], then remove the LCD PANEL
UNIT from the MAIN FRAME.
NOTE:
• Pay special attention not to break or damage on the LCD
PANEL face or frame.
• 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 PANELslowly.
3.1.9 REMOVING THE SIDE CONTROL PWB
• Remove the STAND UNIT, HANDLE & BACK COVER.
(1) Remove the 2 screws [N], then remove the SIDE
CONTROL PWB with the control knob.
(2) Remove the SIDE CONTROL PWB from the control knob.
3.1.10 REMOVING THE LED PWB
• Remove the STAND UNIT, HANDLE & BACK COVER.
(1) Remove the 1 screw [P], then remove the LED PWB from
the FRONT COVER.
3.1.11 REMOVING THE HEADPHONE PWB
• Remove the STAND UNIT, HANDLE & BACK COVER.
(1) Remove the 1 screw [Q], then remove the HEADPHONE
PWB from the FRONT COVER.
3.1.12 REMOVING THE SPEAKERS
• Remove the STAND UNIT, HANDLE & BACK COVER.
(1) Remove the 2 screws [R] from each speaker.
(2) Remove the SPEAKER from the FRONT COVER.
(3) Follow the same when removing the other hand speaker.
(No.YA221)1-9