Panasonic TX-PR50V10 Service Manual ▷ View online
17
6.5.
Local screen failure
Plasma display may have local area failure on the screen. Fig-1 is the possible defect P.C.B. for each local area.
Fig-1
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7 Disassembly and Assembly Instructions
7.1.
Remove the Rear cover
1. See Service Hint (Section 3)
7.2.
Remove the Fan
1. Unlock the cable clampers to free the cable.
2. Remove the screws (
2. Remove the screws (
×3 ).
3. Remove the relay connectors and remove the Fan unit.
4. Remove the screw (
×1
) on the back side.
5. Remove the Fan.
7.3.
Remove the P-Board
Caution:
To remove P.C.B. wait 1 minute after power was off for dis-
charge from electrolysis capacitors.
charge from electrolysis capacitors.
1. Unlock the cable clampers to free the cable
2. Disconnect the connectors (P2, P6, P7, P9, P11, P25,
2. Disconnect the connectors (P2, P6, P7, P9, P11, P25,
P34 and P35).
3. Remove the screws (
×9
) and remove the P-Board.
7.4.
Remove the Side terminal
cover and Rear terminal cover
cover and Rear terminal cover
1. Remove the claw (
×1 ).
2. Remove the Side terminal cover.
3. Remove the Adjustment cover.
4. Remove the screws (
4. Remove the screws (
×4 ,
×4 ,
×2 ).
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5. Remove the Rear terminal cover.
7.5.
Remove the Tuner unit
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (A1, A3, A5, A6, A7, A8, A11
2. Disconnect the connectors (A1, A3, A5, A6, A7, A8, A11
and A12).
3. Remove the screws (
×2 ,
×1
) and remove the
Tuner unit.
7.6.
Remove the A-Board
1. Remove the Tuner unit. (See section 7.5.)
2. Remove two EDGE SADDLES at top of case.
2. Remove two EDGE SADDLES at top of case.
Twist the EDGE SADDLE to press up at the back and pull
down the front side.
down the front side.
3. Remove the screws (
×4
) and remove the A-Board.
Caution :
Press up the case not to touch the leg of clamper to the A-
board.
Pay attention two metal projection from back side when
removal and assemble.
board.
Pay attention two metal projection from back side when
removal and assemble.
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7.7.
Remove the D-Board
1. Disconnect the connectors. (D3 and D5)
2. Disconnect the flexible cables. (D20, D31 and D32)
3. Remove the screws (
2. Disconnect the flexible cables. (D20, D31 and D32)
3. Remove the screws (
×3 ).
4. Remove the molding prop (
×1 ).
5. Remove the D-Board.
7.8.
Remove the Speakers
1. Unlock the cable clampers to free the cable.
2. Remove the screws (
2. Remove the screws (
×2
) and remove the Speaker
metals (L, R).
3. Disconnect the Speaker terminal.
4. Remove the screws (
4. Remove the screws (
×2 ).
5. Remove the screws (
×2
) and remove the Speakers
(L, R) from the Speaker brackets (L, R).
7.9.
Remove the Control button unit
1. Disconnect the connector (C24).
2. Remove the screws (
×2 ).
3. Remove the Control button unit.
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