TH-80BF1U, TH-80BF1W, TH-80BF1E - Panasonic TV Service Manual (repair manual). Page 41

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DIS-15
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
2.17. Replacement of LCD Panel and Front Glass
 
 In case of replacing the LCD panel module on the floor, gently place it on the flat floor which has a soft and 
cushioned surface.
 
A top-and-bottom inversion is a bad.
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TH-50LFB70U/TH-50LFB70W
7.15. Replacement of LCD Panel and Front Glass
Attention when removing LCD Panel
• Please work putting a glove.
Caution about LCD Panel
• When replacing the LCD module, please work to be aware of the following.
DIS-16
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
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TH-50LFB70U/TH-50LFB70W
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TH-50LFB70U/TH-50LFB70W
Note:
Do not twist the LCD panel module.
DIS-17
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
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TH-50LFB70U/TH-50LFB70W
DIS-18
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
•  The aluminum tape and wiring tape included with LCD Panel for repair. When replacing the LCD Panel, please replace the 
sticking parts at the same time.
  *  The specifications of sticking may change without notice and sometimes the parts may remain.
  *  Please stick on the same place as original places.
About the wiring tape
• Please use cutting according to the length of the tape stuck on the LCD Panel before replacement.
• Although the color of a tape is different, there is no problem.
Caution when replacing LCD Panel
• Please be sure to remove metal fittings and attach them to the LCD Panel for repair.
Caution when replacing/removing lead wire and FFC
• Please insert the lead wire and FFC firmly to the back of connector. The shortage of plugs causes failure.
• A lead wire is removed from a clamper if needed.
 1. Prepare the stable level place covered with the soft cloth and sponge for placing LCD Panel.
 2. Remove the USB Terminal Block. (Refer to steps 1 to 2 in “2.5. Replacement of USB Terminal Module”)
 3. Remove the Control Panel (with Key Board and Power Button). (Refer to “2.12. Replacement of Key Module”)
 4. Disconnect the connectors on the LCD Panel side.
 5.   Disconnect the connectors and remove the screws, and then remove the Slot Block and A PCB Fixing Metal (with A-Board, 
Terminal-Board and Speaker Block (L)) at the same time.
Attention when removing Slot Block
• Remove the conductive tape and aluminum tape on the LCD Panel.
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TH-80LFB70U/TH-80LFB70W
• The aluminum tape and  wiring tape included with LCD
Panel for repair. When replacing the LCD Panel, please
replace the sticking parts at the same time.
* The specifications of sticking may change without 
notice and sometimes the parts may remain.
* Please stick on the same place as original places.
About the wiring tape
• Please use cutting according to the length of the tape stuck
on the LCD Panel before replacement.
• Although the color of a tape is different, there is no problem.
Caution when replacing LCD Panel
• Please be sure to remove metal fittings and attach them to
the LCD Panel for repair.
Caution when replacing/removing lead wire and FFC
• Please insert the lead wire and FFC firmly to the back of
connector.
The shortage of plugs causes failure.
A lead wire is removed from a clamper if needed.
1. Prepare the stable level place covered with the soft cloth
and sponge for placing LCD Panel.
2. Remove the H1-Board.
(Refer to steps 1 to 2 in “7.5. Replacement of H1-Board”)
3. Remove the Control Panel (with V2-Board and Power
Button).
(Refer to “7.12. Replacement of V2-Board”)
4. Disconnect the connectors on the LCD Panel side.
5. Disconnect the connectors and remove the screws, and
then remove the Slot Block and A PCB Fixing Metal (with
A-Board, HX-Board and Speaker Block (L)) at the same
time.
Attention when removing Slot Block
• Remove the conductive tape and aluminum tape on the
LCD Panel.
DIS-19
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
Attention when removing Slot Block
• Remove the conductive tape and aluminum tape on the LCD Panel.
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TH-80LFB70U/TH-80LFB70W
• The aluminum tape and  wiring tape included with LCD
Panel for repair. When replacing the LCD Panel, please
replace the sticking parts at the same time.
* The specifications of sticking may change without 
notice and sometimes the parts may remain.
* Please stick on the same place as original places.
About the wiring tape
• Please use cutting according to the length of the tape stuck
on the LCD Panel before replacement.
• Although the color of a tape is different, there is no problem.
Caution when replacing LCD Panel
• Please be sure to remove metal fittings and attach them to
the LCD Panel for repair.
Caution when replacing/removing lead wire and FFC
• Please insert the lead wire and FFC firmly to the back of
connector.
The shortage of plugs causes failure.
A lead wire is removed from a clamper if needed.
1. Prepare the stable level place covered with the soft cloth
and sponge for placing LCD Panel.
2. Remove the H1-Board.
(Refer to steps 1 to 2 in “7.5. Replacement of H1-Board”)
3. Remove the Control Panel (with V2-Board and Power
Button).
(Refer to “7.12. Replacement of V2-Board”)
4. Disconnect the connectors on the LCD Panel side.
5. Disconnect the connectors and remove the screws, and
then remove the Slot Block and A PCB Fixing Metal (with
A-Board, HX-Board and Speaker Block (L)) at the same
time.
Attention when removing Slot Block
• Remove the conductive tape and aluminum tape on the
LCD Panel.
33
TH-80LFB70U/TH-80LFB70W
• The aluminum tape and  wiring tape included with LCD
Panel for repair. When replacing the LCD Panel, please
replace the sticking parts at the same time.
* The specifications of sticking may change without 
notice and sometimes the parts may remain.
* Please stick on the same place as original places.
About the wiring tape
• Please use cutting according to the length of the tape stuck
on the LCD Panel before replacement.
• Although the color of a tape is different, there is no problem.
Caution when replacing LCD Panel
• Please be sure to remove metal fittings and attach them to
the LCD Panel for repair.
Caution when replacing/removing lead wire and FFC
• Please insert the lead wire and FFC firmly to the back of
connector.
The shortage of plugs causes failure.
A lead wire is removed from a clamper if needed.
1. Prepare the stable level place covered with the soft cloth
and sponge for placing LCD Panel.
2. Remove the H1-Board.
(Refer to steps 1 to 2 in “7.5. Replacement of H1-Board”)
3. Remove the Control Panel (with V2-Board and Power
Button).
(Refer to “7.12. Replacement of V2-Board”)
4. Disconnect the connectors on the LCD Panel side.
5. Disconnect the connectors and remove the screws, and
then remove the Slot Block and A PCB Fixing Metal (with
A-Board, HX-Board and Speaker Block (L)) at the same
time.
Attention when removing Slot Block
• Remove the conductive tape and aluminum tape on the
LCD Panel.
DIS-20
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
Caution when attaching Slot Fixing Metal and A-PCB Fixing Metal
• Attach on the basis of mounting holes.
 6.   Remove the screws and then remove the VESA Metal Up and Hangar Stand Metal (L, R).
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TH-80LFB70U/TH-80LFB70W
Caution when attaching Slot Fixing Metal and A PCB 
Fixing Metal
• Attach on the basis of mounting holes.
6. Remove the screws and then remove the VESA Metal Up
and Hangar Stand Metal (L, R).
7. Remove the screws and remove the Cab Fixing Metal (L,
R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the
Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing
Metal.
• When attaching the Cab Fixing Metal (L), please take out
the FFC inside from the hole where it is stuck on the felt.
34
TH-80LFB70U/TH-80LFB70W
Caution when attaching Slot Fixing Metal and A PCB 
Fixing Metal
• Attach on the basis of mounting holes.
6. Remove the screws and then remove the VESA Metal Up
and Hangar Stand Metal (L, R).
7. Remove the screws and remove the Cab Fixing Metal (L,
R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the
Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing
Metal.
• When attaching the Cab Fixing Metal (L), please take out
the FFC inside from the hole where it is stuck on the felt.
34
TH-80LFB70U/TH-80LFB70W
Caution when attaching Slot Fixing Metal and A PCB 
Fixing Metal
• Attach on the basis of mounting holes.
6. Remove the screws and then remove the VESA Metal Up
and Hangar Stand Metal (L, R).
7. Remove the screws and remove the Cab Fixing Metal (L,
R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the
Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing
Metal.
• When attaching the Cab Fixing Metal (L), please take out
the FFC inside from the hole where it is stuck on the felt.
DIS-21
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
 7. Remove the screws and remove the Cab Fixing Metal (L,   R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing Metal.
• When attaching the Cab Fixing Metal (L), please take out the FFC inside from the hole where it is stuck on the felt.
34
TH-80LFB70U/TH-80LFB70W
Caution when attaching Slot Fixing Metal and A PCB 
Fixing Metal
• Attach on the basis of mounting holes.
6. Remove the screws and then remove the VESA Metal Up
and Hangar Stand Metal (L, R).
7. Remove the screws and remove the Cab Fixing Metal (L,
R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the
Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing
Metal.
• When attaching the Cab Fixing Metal (L), please take out
the FFC inside from the hole where it is stuck on the felt.
34
TH-80LFB70U/TH-80LFB70W
Caution when attaching Slot Fixing Metal and A PCB 
Fixing Metal
• Attach on the basis of mounting holes.
6. Remove the screws and then remove the VESA Metal Up
and Hangar Stand Metal (L, R).
7. Remove the screws and remove the Cab Fixing Metal (L,
R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the
Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing
Metal.
• When attaching the Cab Fixing Metal (L), please take out
the FFC inside from the hole where it is stuck on the felt.
34
TH-80LFB70U/TH-80LFB70W
Caution when attaching Slot Fixing Metal and A PCB 
Fixing Metal
• Attach on the basis of mounting holes.
6. Remove the screws and then remove the VESA Metal Up
and Hangar Stand Metal (L, R).
7. Remove the screws and remove the Cab Fixing Metal (L,
R) first and then remove the Cab Fixing Metal (T, B).
Caution when attaching Cab Fixing Metal
• After attaching the Cab Fixing Metal (T, B), attach the
Cab Fixing Metal (R, L).
• Please return FFC inside before attaching the Cab Fixing
Metal.
• When attaching the Cab Fixing Metal (L), please take out
the FFC inside from the hole where it is stuck on the felt.
DIS-22
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
8.  Take out the FFC (from V1-Board) and the lead wire (from Touch Module) attached to the side of the LCD Panel to the 
outside of the Cabinet.
 9. Remove the LCD Panel.
 
Attention when removing LCD Panel
      (1) Put a glove, and hold the VESA Metal and then raise LCD Panel aslant by two persons.
35
TH-80LFB70U/TH-80LFB70W
8. Take out the FFC (from V1-Board) and the lead wire (from
Touch Module) attached to the side of the LCD Panel to
the outside of the Cabinet.
9. Remove the LCD Panel.
Attention when removing LCD Panel
(1) Put a glove, and hold the VESA Metal and then
     raise LCD Panel aslant by two persons.
(2) With LCD Panel held, two persons need to be
      divided into the left and the right and raise 
      LCD Panel.
(3) Put LCD Panel calmly on the stable level place
     covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing
Metal (with P-Board and Speaker Block (R)).
35
TH-80LFB70U/TH-80LFB70W
8. Take out the FFC (from V1-Board) and the lead wire (from
Touch Module) attached to the side of the LCD Panel to
the outside of the Cabinet.
9. Remove the LCD Panel.
Attention when removing LCD Panel
(1) Put a glove, and hold the VESA Metal and then
     raise LCD Panel aslant by two persons.
(2) With LCD Panel held, two persons need to be
      divided into the left and the right and raise 
      LCD Panel.
(3) Put LCD Panel calmly on the stable level place
     covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing
Metal (with P-Board and Speaker Block (R)).
DIS-23
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
      (2) With LCD Panel held, two persons need to be divided into the left and the right and raise LCD Panel. 
      (3) Put LCD Panel calmly on the stable level place covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing Metal (with P-Board and Speaker Block (R)).
35
TH-80LFB70U/TH-80LFB70W
8. Take out the FFC (from V1-Board) and the lead wire (from
Touch Module) attached to the side of the LCD Panel to
the outside of the Cabinet.
9. Remove the LCD Panel.
Attention when removing LCD Panel
(1) Put a glove, and hold the VESA Metal and then
     raise LCD Panel aslant by two persons.
(2) With LCD Panel held, two persons need to be
      divided into the left and the right and raise 
      LCD Panel.
(3) Put LCD Panel calmly on the stable level place
     covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing
Metal (with P-Board and Speaker Block (R)).
35
TH-80LFB70U/TH-80LFB70W
8. Take out the FFC (from V1-Board) and the lead wire (from
Touch Module) attached to the side of the LCD Panel to
the outside of the Cabinet.
9. Remove the LCD Panel.
Attention when removing LCD Panel
(1) Put a glove, and hold the VESA Metal and then
     raise LCD Panel aslant by two persons.
(2) With LCD Panel held, two persons need to be
      divided into the left and the right and raise 
      LCD Panel.
(3) Put LCD Panel calmly on the stable level place
     covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing
Metal (with P-Board and Speaker Block (R)).
35
TH-80LFB70U/TH-80LFB70W
8. Take out the FFC (from V1-Board) and the lead wire (from
Touch Module) attached to the side of the LCD Panel to
the outside of the Cabinet.
9. Remove the LCD Panel.
Attention when removing LCD Panel
(1) Put a glove, and hold the VESA Metal and then
     raise LCD Panel aslant by two persons.
(2) With LCD Panel held, two persons need to be
      divided into the left and the right and raise 
      LCD Panel.
(3) Put LCD Panel calmly on the stable level place
     covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing
Metal (with P-Board and Speaker Block (R)).
35
TH-80LFB70U/TH-80LFB70W
8. Take out the FFC (from V1-Board) and the lead wire (from
Touch Module) attached to the side of the LCD Panel to
the outside of the Cabinet.
9. Remove the LCD Panel.
Attention when removing LCD Panel
(1) Put a glove, and hold the VESA Metal and then
     raise LCD Panel aslant by two persons.
(2) With LCD Panel held, two persons need to be
      divided into the left and the right and raise 
      LCD Panel.
(3) Put LCD Panel calmly on the stable level place
     covered with soft cloth and sponge.
10. Remove the screws and then remove the P PCB Fixing
Metal (with P-Board and Speaker Block (R)).
DIS-24
SECTION 2 DISASSEMBLY PROCEDURES
<80BF1>
Caution when attaching P PCB Fixing Metal
•  The Metal must not overlap the boss of LCD Panel.
•  Tightened in order of (1-2), the other screws are free.
11. Remove the screws and then remove the VESA Metal Up (with VESA Metal).
36
TH-80LFB70U/TH-80LFB70W
Caution when attaching P PCB Fixing Metal
• The Metal must not overlap the boss of LCD Panel.
• Tightened in order of (1-2), the other screws are free.
11. Remove the screws and then remove the VESA Metal Up
(with VESA Metal).
Attention when replacing LCD Panel
(1) Attach a VESA Metal Up (with VESA Metal) to the 
      LCD Panel for repair.
(2) As shown in the following figure, please attach 
      beforehand the Clamper for paste included with 
      LCD Panel for repair.
(3) Check that the FFC (from V1-Board) and the 
      lead wire (from Touch Module) are taken 
      out to the outside of the Cabinet.
(4) Two person hold the narrow-side of LCD Panel 
     and raise it, and move to the Cabinet. Since the 
     worker who carries becomes a situation where the 
     circumference cannot be seen, in order that he 
     may guide safely, one person needs to do the 
     assistance under movement, and the directions 
     of a place to take down.
36
TH-80LFB70U/TH-80LFB70W
Caution when attaching P PCB Fixing Metal
• The Metal must not overlap the boss of LCD Panel.
• Tightened in order of (1-2), the other screws are free.
11. Remove the screws and then remove the VESA Metal Up
(with VESA Metal).
Attention when replacing LCD Panel
(1) Attach a VESA Metal Up (with VESA Metal) to the 
      LCD Panel for repair.
(2) As shown in the following figure, please attach 
      beforehand the Clamper for paste included with 
      LCD Panel for repair.
(3) Check that the FFC (from V1-Board) and the 
      lead wire (from Touch Module) are taken 
      out to the outside of the Cabinet.
(4) Two person hold the narrow-side of LCD Panel 
     and raise it, and move to the Cabinet. Since the 
     worker who carries becomes a situation where the 
     circumference cannot be seen, in order that he 
     may guide safely, one person needs to do the 
     assistance under movement, and the directions 
     of a place to take down.
36
TH-80LFB70U/TH-80LFB70W
Caution when attaching P PCB Fixing Metal
• The Metal must not overlap the boss of LCD Panel.
• Tightened in order of (1-2), the other screws are free.
11. Remove the screws and then remove the VESA Metal Up
(with VESA Metal).
Attention when replacing LCD Panel
(1) Attach a VESA Metal Up (with VESA Metal) to the 
      LCD Panel for repair.
(2) As shown in the following figure, please attach 
      beforehand the Clamper for paste included with 
      LCD Panel for repair.
(3) Check that the FFC (from V1-Board) and the 
      lead wire (from Touch Module) are taken 
      out to the outside of the Cabinet.
(4) Two person hold the narrow-side of LCD Panel 
     and raise it, and move to the Cabinet. Since the 
     worker who carries becomes a situation where the 
     circumference cannot be seen, in order that he 
     may guide safely, one person needs to do the 
     assistance under movement, and the directions 
     of a place to take down.

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