Panasonic TX-PR50C10 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 screws (
×4 ,
×3 ).
4. Remove the Rear terminal cover.
7.4.
Remove the Tuner unit
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (A1, A7, A11, A12 and A25).
3. Disconnect the flexible cables (A20, A31 and A32).
4. Remove the screws (
2. Disconnect the connectors (A1, A7, A11, A12 and A25).
3. Disconnect the flexible cables (A20, A31 and A32).
4. Remove the screws (
×2 ,
×1
) and remove the
Tuner unit.
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7.5.
Remove the A-Board
1. Remove the Tuner unit. (See section 7.4.)
2. Remove the screws (
2. Remove the screws (
×4
) and remove the A-Board.
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 (
×1 ,
×1 ).
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.
6. Remove the GK-Board from Control button.
20
7.9.
Remove the SU-Board
1. Remove the flexible cables (SU1B, SU2B, SU3B and
SU4B) 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.
7.10. Remove the SD-Board
1. Remove the Control button unit. (See section 7.7.)
2. Remove the flexible cables (SD1B, SD2B, SD3B and
2. Remove the flexible cables (SD1B, SD2B, SD3B and
SD4B) connected to the SD-Board.
3. Remove the flexible cable (SU11-SD11) and the bridge
connectors (SC42-SD42 and SC46-SD46).
4. Remove the molding prop (
×1 ).
5. Remove the screws (
×2 ,
×2
) and remove the SD-
Board.
7.11. Remove the SC-Board
1. Remove the SU-Board and SD-Board. (See section 7.9.
and 7.10.)
2. Unlock the cable clampers to free the cable.
3. Disconnect the connectors (SC2 and SC3).
4. Disconnect the flexible cable (SC20).
5. Remove the screws (
3. Disconnect the connectors (SC2 and SC3).
4. Disconnect the flexible cable (SC20).
5. Remove the screws (
×6
) and remove the SC-Board.
7.12. Remove the SS2-Board
1. Remove the Tuner unit. (See section 7.4.)
2. Disconnect the bridge connector (SS22-SS24) and dis-
2. Disconnect the bridge connector (SS22-SS24) and dis-
connect the flexible cable (SS58).
3. Remove the screws (
×2
) and remove the SS2-Board.
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