DOWNLOAD Panasonic TH-42LFP30W / TH-47LFP30W Service Manual ↓ Size: 19.92 MB | Pages: 58 in PDF or view online for FREE

Model
TH-42LFP30W TH-47LFP30W
Pages
58
Size
19.92 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / FULL HD LCD DISPLAY
File
th-42lfp30w-th-47lfp30w.pdf
Date

Panasonic TH-42LFP30W / TH-47LFP30W Service Manual ▷ View online

25
TH-42LFP30W / TH-47LFP30W
8.13. Removing the cabinet front
1. Remove the cabinet back.
2. Holding the panel mounting brackets, gently lift them up
together with the LCD panel, then the cabinet front will be
released.
• The replacement cabinet front is supplied as a complete
unit of a frame.
Precautions for removing and fitting the LCD panel
• The surface of the LCD panel is covered by an optical filter
(glass). Therefore, the glass protrudes around the LCD
panel. Please exercise adequate care in handling the prod-
uct to avoid bumping or scratching the glass.
8.14. Replacing the Panasonic
badge
• The Panasonic badge is attached on the replacement cabi-
net front, but the Panasonic badge itself can be also sup-
plied as a single part. Take the following steps to replace the
badge
1. Detach the Panasonic badge.
2. Attach the replacement Panasonic badge to the specified
position on the cabinet front as shown in the drawing.
8.15. Replacing the LCD panel
Carry out the following steps to remove the parts attached to
the LCD panel.
1. Remove the cabinet back.
2. Remove the cabinet front.
3. Undo the screws (Model 47V: 8; Model 42: 12) and
remove the panel mounting brackets. (SCR BIN 4X6)
4. Undo 6 screws to remove the chassis base. (SCR BIN
4X6: 4 screws; SCR PAN+SW+W 3X6: 2 screws)
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TH-42LFP30W / TH-47LFP30W
5. Undo the screws (Model 47V: 1; Model 42V: 2), then
remove the thermal conductivity plate from the side of the
LCD panel. (SCR FLT 4X6)
• Thermal conductivity sheets are attached to the front and
back sides of the thermal conductivity plate.
6. Remove the LVDS cable and inverter cable from the LCD
panel.
7. Replace it with the replacement LCD panel.
8.16. Replacing the main switch 
board
1. Undo the 6 screws to take off the control button and main
switch board together with the metal holder fitting from
the back plate. (SPECIAL SCREW 4X12)
2. Undo the 2 screws to remove the main switch board from
the metal holder fitting. (SCR PAN+SW+W 3X10)
Precautions for removing and fitting the main switch 
board.
• 6 specialty washers for ensuring dustproof and waterproof
performance are fitted on 6 screws. When fitting the main
switch board, always put the 6 specialty washers on screws
facing the correct direction (rubber side is facing to the back
plate).
8.17. Fitting the core for the main
switch board cable
When replacing the main switch board cable, place the ferrite
core 15 mm from the coupler K39G on the main board and wind
the cable once on to it and secure it with CV band.
8.18. Removing the handles
Take the following steps to change the handles when replacing
the back plate, etc.
1. Undo the 8 screws to remove the 4 handles from the back
plate. (SPECIAL SCREW 5X10)
2. Fix the handles onto the replacement back plate.
27
TH-42LFP30W / TH-47LFP30W
8.19. Replacing humidity-control 
sheet
The humidity-control sheet is placed inside the back plate to
control internal humidity. Ensure that the humidity-control sheet
is replaced if the back plate is removed or renewed. 
1. Detach the humidity-control sheet from inside the back
plate.
2. The replacement humidity-control sheet comes with an
adhesive sheet. Put adhesive sheet on the back (black
side) of the humidity-control sheet.
3. Peel the seal off the adhesive sheet and place the humid-
ity-control sheet on the position shown in the drawing.
4. The humidity-control function begins when the surface
sheet is peeled off the humidity-control sheet.
Precautions for replacement of the humidity-control sheet
• Do not carry out the humidity-control sheet replacement any-
where that the humidity level is extremely high, such as a
bath room, etc.
8.20. Replacing the AV cover
1. Undo the 12 screws to remove the AV cover from the
back plate. (SPECIAL SCREW 4X12)
2. Replace it with the replacement AV cover.
Precautions for removing and fitting the AV cover
• A specialty washer is fitted in one place on the AV cover to
ensure dustproof and waterproof performance. When fitting
the AV cover, always put the specialty washer on the screw
facing the correct direction (rubber side is facing to the AV
cover).
• When removing the AV cover, undo all 12 screws of the
order bottom, middle and top to prevent the AV cover from
slipping off. Beware of opening the AV cover with any screws
left on as this will damage the AV cover.
• The replacement AV cover is a unit part including pressure
control cap, warning label, gel for wire outlet.
8.21. Replacing the pressure con-
trol cap
• The pressure control caps are included in the AV cover as a
spare parts, but the pressure control cap itself can be also
supplied as a single part. Take the following steps to replace
the pressure control cap.
1. Remove the AV cover from the back plate.
2. Use fingers to hold the pressure control cap down from
the outside of the AV cover, and turn the nut located
inside the AV cover using a box wrench or similar to undo
the nut.
3. Fit the replacement pressure control cap from the outside
of the AV cover and hold it with fingers.
28
TH-42LFP30W / TH-47LFP30W
4. Place the nut inside the AV cover and turn it using a
torque screwdriver (a special-purpose tool) to tighten it.
(Size: 17mm, Torque screwdriver setting: 6.12 kgf cm)
8.22. Replacing the AV cover (bot-
tom)
1. Undo the 10 screws to remove the AV cover (bottom)
from the back plate. (SPECIAL SCREW 4X12)
2. Replace it with the replacement AV cover (bottom).
• The replacement AV cover (bottom) is a unit part includ-
ing gasket and gel for wire outlet.
8.23. Replacing the power cord
• When replacing the power cord, the power cord has to be
detached from the back plate.
1. Remove 3 ferrite cores which are fitted on the power
board side of the power cord. Take care not to damage
the power cord when cutting CV band with nippers, etc.
2. Turn to loosen the waterproof nut which secures the
power cord onto the back plate and remove the nut.
3. Open the slit of the rubber packing which is located inside
the waterproof nut to remove the rubber packing from the
power cord.
4. Pull the power cord out of the hole in waterproof nut.
5. Fit the CV band in the following position on the replace-
ment power cord (measured from the connector on the
power board side).
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