Panasonic TH-R42PY8SR Service Manual / Other ▷ View online
15
6.4.
No Picture
16
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 unit
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 couplers (P2, P6, P7, P9, P11, P12 and
2. Disconnect the couplers (P2, P6, P7, P9, P11, P12 and
P25).
3. Remove the screws (
×6
) and remove the P-Board
unit.
4. Remove the screws (
×20
) on the back side.
5. Remove the screws (
×7 ).
6. Remove the molding props (
×13 ).
7. Remove the P-Board.
Note:
When assembling the P-Board, the position of each hole of
the insulation sheets (A and B) is set to the position of each
the insulation sheets (A and B) is set to the position of each
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hole of the P-Board, then assemble them. (
marks indi-
cate setting positions.)
7.4.
Remove the Rear Terminal
cover
cover
1. Remove the screws (
×3 ,
×2 ,
×2 ).
2. 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, A2, A3, A5, A6, A7, A8,
2. Disconnect the connectors (A1, A2, A3, A5, A6, A7, A8,
A12, A51, A52 and A83).
3. Remove the screws (
×4
) and remove the tuner unit.
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