JVC PD-42WV74 Service Manual page 12

3.1.12 REMOVING THE CHASSIS BASE (Fig.3)
• Remove the REAR COVER.
• Remove the SHIELD COVER.
• Remove the TERMINAL BRACKET.
• Remove the LINE FILTER PWB.
• Remove the AUDIO PWB.
• Remove the DISPLAY INTERFACE PWB.
(1) Remove the 2 screws [ R ].
(2) Remove the 1 screw [ S ] attaching the earth wire.
(3) If necessary, remove the cable and wires from wire clamp.
(4) Pull up the CHASSIS BASE.
3.1.13 REMOVING THE BACK FRAME BRACKET (Fig.3)
• Remove the REAR COVER.
• Remove the SHIELD COVER.
• Remove the TERMINAL BRACKET.
• Remove the LINE FILTER PWB.
• Remove the AUDIO PWB.
• Remove the DISPLAY INTERFACE PWB.
• Remove the CHASSIS BASE.
(1) Remove the 4 screws [ T ].
(2) Remove the 4 screws [ U ].
(3) If necessary, remove the cable and wires from wire clamp.
(4) Pull up the BACK FRAME BRACKET.
(5) The other hand BACK FRAME BRACKET is removed
same steps.
BACK FRAME
BRACKET
T
V
V
TEMP. SENSOR
TOP
PWB
1-12 (No.YA029)
R S
CHASSIS BASE
U
EARTH
WIRE
T
T
BACK FRAME
SPACER
BACK FRAME
BRACKET
PDP UNIT
3.1.14 REMOVING THE TEMP. SENSOR PWB (Fig.3)
• Remove the REAR COVER.
(1) Remove the [ V ] connector on the TEMP. SENSOR PWB.
(2) Remove the screw [ V ].
(3) Take out the TEMP. SENSOR PWB.
3.1.15 REMOVING THE PDP UNIT (Fig.3)
• Remove the REAR COVER.
• Remove the SHIELD COVER.
• Remove the TERMINAL BRACKET.
• Remove the LINE FILTER PWB.
• Remove the AUDIO PWB.
• Remove the DISPLAY INTERFACE PWB.
• Remove the CHASSIS BASE.
• Remove the BACK FRAME BRACKET.
• Remove the TEMP. SENSOR PWB.
(1) Rise with the back frame spacer on the PDP UNIT back
side.
(2) Take out the PDP UNIT.
3.1.16 REMOVING THE WOOFER SPEAKER BOX (Fig.3)
(1) Remove the 6 screws [ W ].
(2) Take out the WOOFER SPEAKER BOX.
3.1.17 REMOVING THE SPEAKER (WOOFER) (Fig.3)
• Remove the WOOFER SPEAKER BOX.
(1) Remove the 20 screws [ X ].
(2) Pull up the WOOFER SPEAKER HOLDER.
(3) Remove the 4 screws [ Y ].
(4) Take out the WOOFER.
(5) Remove the other hand WOOFER same steps.
WOOFER
W
SPEAKER
HOLDER
U
T
Y
SPEAKER
(WOOFER )
Fig.3
X
WOOFER
SPEAKER
BOX
WOOFER SPEAKER
BACK COVER