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21

TH-42LFP30W / TH-47LFP30W

1. Turn to loosen the waterproof nut which secures the

power cord onto the back plate and remove the nut.

2. Open the slit of the rubber packing which is located inside

the waterproof nut to remove the rubber packing from the
power cord.
Be careful not to pull the power cord while removing the
back plate following this procedure.

3. Remove the screws which hold the back plate.(Model

47V:  26 screws; Model 42V:  24 screws) (SPECIAL
SCREW 4X12)

4. Hold handle and lift the back plate slightly.
5. Insert your hand through the opening gap while lifting the

back plate. Detach the cable which runs from the main
switch board mounted on the back plate, off the hook and

remove the connector K39G for the jack board.

6. The back plate also can be lifted with the power cord run-

ning through it. If you remove the back plate together with
the power cord, carry out the following procedure.

7. Detach the power cord off the hook, and remove the cou-

pler K601 from the power board. Next, remove the screws
which hold the earth pin for the power cord.

• For Model 47V, the hook for the power cord is fixed with

screws. Undo screws to remove the hook.

8. Gently remove the back plate.

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TH-42LFP30W / TH-47LFP30W

This unit is built so the board is exposed when back plate is
removed.

1. Remove 6 screws which hold the protective cover of the

main board. (SCR PAN+SW+W 3X6)

2. Remove 9 screws which hold the main board and metal

pin fitting. (SCR PAN+SW+W 3X10)

3. Detach the coupler which is connected to the main board,

then gently remove the main board.
Coupler located inside the main board:  K16C, KSPR,
KSPL, KLVP, K16B, K16A, K8F, K72E, K72D, KFN1,
KFN2

4. Remove the screws which hold the metal fitting on the pin

section.
1) Hexagonal nut 

X

4:  DVI IN pin, PC IN pin (SPECIAL

SCREW)
2)

 

X2:  HDMI pin (SCR PAN 3X6)

5. Replace the main board with the replacement board.

• Aluminium tape is affixed on the main board protective

cover and metal pin fitting. Make sure that this aluminium
tape remains in place while handling them. (170X50 mm:
1, 100X50 mm:  1)

1. Remove 6 screws which hold the jack board and metal

pin fitting together. (SCR PAN+SW+W 3X10)

2. Detach the coupler which is connected to the jack board,

then gently remove the jack board.
Coupler located inside the jack board:  K39H, K39G,
K19F, K10E, K10D, K001R, K001L

3. Remove the screws which hold the metal fitting on the pin

section.
1) Hexagonal nut X 2:  SERIAL pin (SPECIAL SCREW)
2) X 2:  EXT SP pin, AV IN pin (SCR TPG BRZ 3X8)

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TH-42LFP30W / TH-47LFP30W

4. Replace the jack board with the replacement board.

1. Detach the coupler which is connected to the power

board.
Coupler located inside the power board:  K601, KIV2,
KIV1, K6C, K6B, K6A

2. Remove the screws (Model 47V:  10; Model 42V:  8)

which hold the power board. (SCR PAN+SW+W 3X10)

3. Gently remove the power board and replace it with the

replacement board. (Fuses are fitted on the replacement
board)

1. Detach the coupler KFN1 which is connected to the main

board.

2. Remove the tape shown in the photo.
3. Remove 3 screws which hold the Fan A and gently

detach the fan, then replace with the replacement fan.
(SCR PAN+SW+W 3X10)

1. Detach the coupler KFN2 which is connected to the main

board.

2. Detach the cable off the cable hook.
3. Remove 4 screws which hold the Fan B and gently

detach the fan, then replace with the replacement fan.
(SCR PAN+SW+W 4X20)

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TH-42LFP30W / TH-47LFP30W

1. Detach the coupler K19H of the RC+LED board attached

to the cabinet back.

2. Remove 9 screws which hold the panel mounting brack-

ets and cabinet back together. (SPECIAL SCREW 4X12)

3. Remove the screws (Model 47V:  26; Model 42V:  24)

which fasten the cabinet back to the cabinet front. (SPE-
CIAL SCREW 4X12)

4. Gently lift up the cabinet back to release.

• Marks A and B shown in the drawing are the points to be

lined up when fitting the cabinet back.

• The cabinet back is supplied as a complete unit of a

frame. RC+LED board and dustproof and waterproof
gaskets are NOT included.

1. Remove the cabinet back.
2. Undo the 2 screws to remove the RC+LED board

together with the metal holder fitting. (SPECIAL SCREW
3X8)

3. The replacement parts for the RC+LED board are sup-

plied as a unit including the metal holder fitting. Replace it
with the replacement ASSY RC+LED.

• The gaskets shown in the drawing are important parts which

must be installed between the cabinet front, cabinet back
and back plate to keep the joints airtight to perform dustproof
and waterproof function. They should be replaced every 3-4
years or if anything unusual is noticed during inspection or
repair.

1. Remove the cabinet gasket from between the cabinet

front and cabinet back, and replace it with the replace-
ment gasket.

2. Remove the rear plate gasket from between the cabinet

back and back plate, and replace it with the replacement
gasket.

• Ensure the gasket is fitted tightly into the groove in the

cabinet back.