Panasonic TH-50PF11EK Service Manual ▷ View online
17
TH-50PF11EK
7.2.
No Power
First check point
There are following 3 states of No Power indication by power LED.
There are following 3 states of No Power indication by power LED.
1. No lit.
2. Green is lit then turns red blinking a few seconds later.
3. Only red is lit.
2. Green is lit then turns red blinking a few seconds later.
3. Only red is lit.
7.3.
No Picture
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TH-50PF11EK
7.4.
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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TH-50PF11EK
8 Disassembly and Assem-
bly Instructions
• To disassemble P.C.B., wait for 1 minute after power was off
for discharge from electrolysis capacitors.
•
, ,
, and marks indicate screw positions.
8.1.
Removal of Rear Cover
1. Remove screws (
×8 ,
×28 ,
×4 ) and then remove
the Rear Cover.
8.2.
Removal of HA-Board
1. Remove 4 screws (A) and then remove the HA Terminal
Block.
2. Remove 4 screws (B).
3. Remove 3 screws (C) and then remove HA-Board.
3. Remove 3 screws (C) and then remove HA-Board.
8.3.
Removal of HDE-Board
1. Remove 4 screws (D) and then remove the HDE Terminal
Block.
2. Remove 4 screws (E).
3. Remove the 2 Hexagonal-Head screws (F) and then
3. Remove the 2 Hexagonal-Head screws (F) and then
remove HDE-Board.
8.4.
Removal of Slot Block
1. Disconnect the connectors (DS2, DS4, DS6, DS7, DS8,
DS15).
2. Remove the flexible cables from the connectors (DS1,
DS3).
3. Remove 2 screws ( ).
4. Remove 4 screws ( ) and then remove the Slot Block.
4. Remove 4 screws ( ) and then remove the Slot Block.
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TH-50PF11EK
8.5.
Removal of HX-Board
1. Remove the HA Terminal Block and the HDE Terminal
Block.
(Refer to Removal of HA-Board and HDE-Board)
(Refer to Removal of HA-Board and HDE-Board)
2. Remove 1 screw ( ).
3. Remove 6 screws ( ) and then remove the Slot Case.
3. Remove 6 screws ( ) and then remove the Slot Case.
4. Disconnect the connector (HX1).
5. Remove 4 Hexagonal-Head screws and 2 screws and
5. Remove 4 Hexagonal-Head screws and 2 screws and
then remove HX-Board.
8.6.
Removal of DS-Board
1. Remove the Slot Case.
(Refer to Removal of HX-Board)
2. Disconnect the connector (DS14).
3. Remove 10 screws and then remove the Fixed Plate.
3. Remove 10 screws and then remove the Fixed Plate.
4. Disconnect the connectors (DS2, DS4, DS6, DS7, DS8,
DS15).
5. Remove the flexible cables from the connectors (DS1,
DS3).
6. Remove 3 screws and then remove DS-Board.
8.7.
Removal of PB-Board
1. Disconnect the connectors (PB30, PB31, PB32, PB33,
PB34, PB35, PB38).
2. Remove 1 screw and then remove PB-Board.
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