Panasonic TX-PR42S10 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 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.
7.3.
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 ,
×3 ,
×2 ).
5. Remove the Rear terminal cover.
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7.4.
Remove the Tuner unit
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (A1, A7, A8, A11, A12 and
2. Disconnect the connectors (A1, A7, A8, A11, A12 and
A25).
3. Disconnect the flexible cables (A20, A31, A32 and A88).
4. Remove the screws (
4. Remove the screws (
×2 ,
×1
) and remove the
Tuner unit.
7.5.
Remove the A-Board
1. Remove the Tuner unit. (See section 7.4.)
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.
pull 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.
20
7.6.
Remove the Speakers
1. Unlock the cable clampers to free the cable.
2. Disconnect the relay connector.
3. Remove the screws (
2. Disconnect the relay connector.
3. Remove the screws (
×2
) and remove the Speaker R.
4. Disconnect the connector (A12). (See section 7.4.)
5. Remove the screws (
5. Remove the screws (
×2
) and remove the Speaker L.
7.7.
Remove the Control button unit
1. Disconnect the connector (C14).
2. Remove the screws (
2. Remove the screws (
×2 ).
3. Remove the Control button unit.
7.8.
Remove the GK-Board
1. Remove the Control button unit. (See section 7.7.)
2. Remove the screws (
2. Remove the screws (
×2 ).
3. Remove the GK-Board MTG. metal.
4. Remove the claw (
×3 ).
5. Disconnect the connector (GK1).
6. Remove the GK-Board from Control button.
7.9.
Remove the SU-Board
1. Remove the flexible cables (SU1, SU2, SU3 and SU4)
connected to the SU-Board.
2. Remove the flexible cable (SU11-SD11) and the bridge
connector (SC41-SU41).
3. Remove the molding prop (
×1 ).
4. Remove the screws (
×2 ,
×2
) and remove the SU-
Board.
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