JVC LT-37X688 Service Manual

1-10 (No.YA535)
SECTION 3
DISASSEMBLY
3.1 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.
• Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors.
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 [LT-37X688/V]
3.2.1 REMOVING THE REAR COVER (Fig.3-1)
(1) Remove the 1 screw [A].
(2) Remove the CORD CLAMP.
(3) Remove the 10 screws [B], the 3 screws [C], and the 7
screws [D].
(4) Remove the REAR COVER.
3.2.2 REMOVING THE STAND ASS’Y (Fig.3-1)
• Remove the CORD CLAMP
(1) Remove the 4 screws [E].
(2) Remove the STAND ASS’Y in the direction of the arrow.
3.2.3 REMOVING THE POWER PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 1 screw [F].
(2) Remove the POWER CORD HOLDER.
(3) Remove the POWER CORD.
(4) Remove the 10 screws [G].
(5) Remove the POWER PWB.
3.2.4 REMOVING THE ANALOG PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 6 screws [H].
(2) Remove the ANALOG PWB.
3.2.5 REMOVING THE DIGITAL PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 1 screw [J].
(2) Remove the DIGITAL BASE.
(3) Remove the SHIELD COVER.
(4) Remove the 5 screws [K].
(5) Remove the DIGITAL PWB.
(6) Remove the 4 screws [L].
(7) Remove the SHIELD BASE.
CAUTION:
Make sure to perform the "SYSTEM SETTEING", when
DIGITAL PWB is replaced.
3.2.6 REMOVING THE SW PWB (Fig.3-1)
• Remove the REAR COVER.
(1) Remove the 2 screws [M].
(2) Remove the SW PWB.
(3) Remove the 2 screws [N].
(4) Remove the CONTROL KNOB.
3.2.7 REMOVING THE LED PWB (Fig.3-1)
• Remove the REAR COVER.
• Remove the STAND ASS’Y.
(1) Remove the 2 screw [P].
(2) Remove the STAND BASE COVER.
(3) Remove the 2 screws [Q] and 3 screws [R].
(4) Remove the STAND BASE SUPPORT.
(5) Remove the 2 hooks [a] and 1 screw [S].
(6) Remove the LED PWB.
3.2.8 REMOVING THE SPEAKER (Fig.3-1)
• Remove the REAR COVER.
• Remove the STAND ASS’Y.
• Remove the STAND BASE COVER.
• Remove the STAND BASE SUPPORT.
(1) Remove the 3 screws [T].
(2) Remove the SPEKAER.
(3) Follow the same steps when removing the other hand
SPEAKER.
NOTE
When the SPEAKER is decomposed, the performance cannot
be kept.
3.2.9 REMOVING THE LCD PANEL UNIT (Fig.3-1)
• Remove the REAR COVER.
• Remove the STAND ASS’Y.
• Remove the STAND BASE COVER.
• Remove the STAND BASE.
• Remove the SPEKAER.
(1) Remove the 5 screws [U] and 4 screws [V].
(2) Remove the MAIN BASE.
(3) Remove the 4 screws [W].
(4) Remove the SUPPORT BRACKET.
(5) Remove the LCD PANEL UNIT from the FRONT PANEL.

JVC LT-37X688 Specifications

General

Integrated clock	Yes
Comb filter	Digital
Display diagonal	37 \
Display brightness	500 cd/m²
Native aspect ratio	16:9
Viewing angle, horizontal	176 °
Analog signal format system	NTSC
HDCP	No
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
S-Video outputs quantity	1
Product color	Black
RMS rated power	20 W

Weight and Dimensions

Depth (without stand)	232 mm
Width (without stand)	927.1 mm
Height (without stand)	654.05 mm
Weight (without stand)	18280 g