JVC PD-50X795 Service Manual page 19

3.2.8 REMOVING THE TEMP. SENSOR PWB (Fig.6)
• Remove the REAR COVER.
(1) Disconnect the connector [CN800V] from the TEMP.
SENSOR PWB PWB .
(2) Remove the 1 screw [O], then remove the TEMP.
SENSOR PWB.
3.2.9 REMOVING THE MAIN POWER UNIT (Fig.6)
• Remove the REAR COVER.
(1) Disconnect the connector [CN805] / [CN806] / [CN8001] /
[CN8009] / [CN8011] / [CN9001] from the MAIN POWER
UNIT .
(2) Remove the 8 screws [P], then remove the MAIN POWER
UNIT.
3.2.10 REMOVING THE SUB POWER PWB (Fig.6)
• Remove the REAR COVER.
(1) Disconnect the connector [CN9001] / [CN9002] / [CN9005]
from the SUB POWER PWB .
(2) Remove the 4 screws [Q], then remove the SUB POWER
PWB.
3.2.11 REMOVING THE COOLING FAN (Fig.6)
• Remove the REAR COVER.
(1) Disconnect the connector [CN0FL] / [CN0FR] from the
DISPLAY INTERFACE PWB .
(2) Remove the 4 screws [R], then remove the COOLING FAN
BRACKET by lifting upward.
(3) Remove the 4 screws [S], then remove the COOLING FAN
by pulling in hte arrowed direction.
3.2.12 REMOVING THE POWER CHASSIS BASE (Fig.6)
• Remove the REAR COVER.
• Remove the MAIN POWER UNIT.
• Remove the SUB POWER PWB.
• Remove the COOLING FAN.
(1) Remove the 5 screws [T], then remove the POWER
CHASSIS BASE.
3.2.13 REMOVING THE DISPLAY SWITCH PWB (Fig.6)
• Remove the BACK COVER.
• Remove the SPEAKER HOLDER.
(1) Remove the 2 screws [U] and the 3 screws [V], then
remove the DISPLAY SWITCH PWB and CONTROL
KNOB.
(2) Disconnect the connector [CN000T] from the DISPLAY
SWITCH PWB .
3.2.14 REMOVING THE DISPLAY LED PWB (Fig.6)
• Remove the BACK COVER.
• Remove the SPEAKER HOLDER.
• Remove the DISPLAY SWITCH PWB.
(1) Remove the 2 screws [W], then remove the DISPLAY LED
PWB.
(2) Disconnect the connector [CN000X] from the DISPLAY
LED PWB .
3.2.15 REMOVING THE DD SPEAKER (Fig.6)
• Remove the REAR COVER.
• Remove the BACK COVER.
• Remove the SPEAKER HOLDER.
(1) Disconnect the connector [CN60SR] / [CN60SL] from the
AUDIO PWB .
(2) Remove the 4 screws [X], then remove the DD SPEAKER.
3.2.16 REMOVING THE WOOFER SPEAKER (Fig.6)
• Remove the REAR COVER.
(1) Disconnect the connector [CN60CB] from the AUDIO
PWB.
(2) Remove the 6 screws [Y], then remove the WOOFER
SPEAKER UNIT.
(3) Remove the 8 screws [Z], then remove the DUCT COVER.
(4) Remove the 10 screws [a] and the 4 screws [b], then
remove the WOOFER BACK COVER.
(5) Remove the 8 screws [c], then remove the WOOFER
SPEAKER.
3.2.17 REMOVING THE PDP (PANEL) UNIT (Fig.6)
• Remove the REAR COVER.
• Remove the CHASSIS SHIELD BRACKET.
• Remove the TERMINAL COVER.
• Remove the CHASSIS BASE (with each PWB affixed on the
CHASSIS BASE).
• Remove the POWER CHASSIS BASE (with each PWB affixed
on the CHASSIS BASE).
• Remove the TEMP. SENSOR.
(1) Remove the 16 screws [d], then remove the BACK
BRACKET.
(2) Remove the 4 screws [e] then Lift the PDP straight upward
and remove it with extra attention no to impose any shock
to the PDP.
CAUTION:
• More than two people are required to remove the PDP unit.
• The gas pouring port is covered with the protection material.
Durring the operation, be careful not to damage the gas
pouring port.
• Do not touch the front side (glass) of the PDP with your
fingers.
(No.YA100)1-19