Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Plasma PS50C91H chassis F33A Disassembly & Reassembly

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Disassembly & Reassembly

3. Disassembly & Reassembly
3-1 Overall Disassembly & Reassembly
Notice
- Be sure to separate the power cord before disassembling the unit.
- Discharge the capacitors first when separating PCB's with high capacity capacitors such as SMPS, X Main Board, Y Main
Board, etc. (A spark may be generated by the electric charge, and there is danger of electronic shock.)
- Check that the cables are properly connected referring to the circuit diagram when disassembling or assembling the unit
taking care not to damage the cables.
- Take care not to scratch the Glass Filter in the front.
- Assemble the boards in the reverse order of the disassembly.
- The plasma must be layed down on a flat padded surface for disassembly and reassembly.

3-1-1 Separation of ASSY COVER P-REAR
Part Name Description Description Photo
Cover Remove 4 screws. ( )
Rear : M8,L16,ZPC(BLK),SWRCH18A,WP

Remove 15 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)

Remove 4 screws. ( )
: PH,+,WSP,S,M4,L35,ZPC(BLK)

Remove the 2 Hex nuts for the PC
input. ( )
: #4-40,L6,NI PLT,C3601,-

Remove the Cover Rear.

: Please lay the PDP unit face down on a
soft surface when removing the stand.

3-1-2 Separation of ASSY PCB MISC-MAIN
Part Name Description Description Photo
Main Detach all connectors from the Main
Board Board.

Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT

Remove the Main Board.

Samsung Electronics 3-1
Disassembly & Reassembly

3-1-3 Separation of FILTER-EMI AC LINE
Part Name Description Description Photo
FILTER- Detach connector from Main SMPS.
EMI
AC LINE Remove 2 screws. ( )
: PH,+,WWP,M3,L8,NI PLT

Remove a screw. ( )
: BH,+,S,M4,L10,ZPC(BLK)

Remove FILTER-EMI AC LINE.

3-1-4 Separation of BRACKET-PCB
Part Name Description Description Photo
Bracket Remove a screw.
PCB : BH,+,S,M4,L10,ZPC(BLK)

Remove the BRACKET-PCB.

3-2 Samsung Electronics
Disassembly & Reassembly

3-1-5 Separation of ASSY BRACKET
Part Name Description Description Photo
42" Remove 4 screws. ( )
Bracket : BH,+,S,M4,L10,ZPC(BLK)

Remove 2 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)

Remove Bracket.

50" Remove 4 screws. ( )
Bracket : BH,+,S,M4,L10,ZPC(BLK)

Remove 2 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)

Remove Bracket.

3-1-6 Separation of ASSY BOARD P-SIDE AV
Part Name Description Description Photo
Side AV Remove a screw. ( )
: BH,+,B,M4,L3,ZPC(BLK)

Remove a screw. ( )
: BH,+,S,M4,L10,ZPC(BLK)

Remove the Side AV.

Samsung Electronics 3-3
Disassembly & Reassembly

3-1-7 Separation of ASSY BRACKET P-WALL
Part Name Description Description Photo
42" Remove 2 screws. ( )
Wall : BH,+,B,M4,L3,ZPC(BLK)
Bracket
Remove 6 screws. ( )
: BH,+,S,M4,L10,ZPC(BLK)

Remove Wall Bracket.

: Please lay the PDP panel face down
on a soft surface when separating front
cover.

50" Remove 2 screws. ( )
Wall : BH,+,B,M4,L3,ZPC(BLK)
Bracket
Remove 6 screws. ( )
: BH,+,S,M4,L10,ZPC(BLK)

Remove Wall Bracket.

: Please lay the PDP panel face down on
a soft surface when separating front
cover.

3-4 Samsung Electronics
Disassembly & Reassembly

3-1-8 Separation of ASSY SPEAKER P
Part Name Description Description Photo
42" Remove 4 screws.
Speaker : BH,+,WP,B,M4.0,L3,ZPC(BLK),
SWRCH18A

Remove the Speaker.

50" Remove 4 screws.
Speaker : BH,+,WP,B,M4.0,L3,ZPC(BLK),
SWRCH18A

Remove the Speaker.

3-1-9 Separation of ASSY BOARD P-POWER&IR
Part Name Description Description Photo
Power Detach all connectors from the
& Power&IR Board.
IR Board
Remove the Power&IR PCB unlocking
the 2 holders.

Samsung Electronics 3-5
Disassembly & Reassembly

3-1-10 Separation of SMPS-PDP TV
Part Name Description Description Photo
42" Detach all connectors from the SMPS.
SMPS
Remove 8 screws.
: PH,+,WWP,M3,L8,NI PLT

Remove the SMPS.

: Wear gloves when handling the power
board as there may be some remaining
electrical charge in the capacitor.
Specifically, avoid touching any part of
the capacitor.
50" Detach all connectors from the SMPS.
SMPS
Remove 8 screws.
: PH,+,WWP,M3,L8,NI PLT

Remove the SMPS.

: Wear gloves when handling the power
board as there may be some remaining
electrical charge in the capacitor.
Specifically, avoid touching any part of
the capacitor.

3-6 Samsung Electronics
Disassembly & Reassembly

3-1-11 Separation of ASSY PDP MODULE P-LOGIC MAIN BOARD
Part Name Description Description Photo
42" Detach all connectors from the Logic
Logic Main Board.
Board
Remove 4 screws.
: WSP,PH,+,M3,L8,NI PLT

Remove the Logic Main Board.

50" Detach all connectors from the Logic
Logic Main Board.
Board
Remove 4 screws.
: WSP,PH,+,M3,L8,NI PLT

Remove the Logic Main Board.

Samsung Electronics 3-7
Disassembly & Reassembly

3-1-12 Separation of ASSY PDP MODULE P-X MAIN BOARD
Part Name Description Description Photo
Flat Cable Detach all Connectors from the X Main
Board.

To separate the Flat Cable of the
X-Board, press the upper and the lower
sides of the connector.

42" Remove 4 screws.
X-Main : PH,+,WWP,M3,L8,NI PLT
Board
Remove the X-Main Board.

50" Remove 4 screws.
X-Main : PH,+,WWP,M3,L8,NI PLT
Board
Remove the X-Main Board.

3-8 Samsung Electronics
Disassembly & Reassembly

3-1-13 Separation of ASSY PDP MODULE P-Y MAIN BOARD
Part Name Description Description Photo
Flat Cable Detach the 6 scan board connectors
from the panel by pulling the holder from
both the top and bottom ends.

42" Remove 3 screws.
Y-Scan : PH,+,WWP,M3,L8,NI PLT
Board

50" Remove 5 screws.
Y-Scan : PH,+,WWP,M3,L8,NI PLT
Board

Samsung Electronics 3-9
Disassembly & Reassembly

Part Name Description Description Photo
42" Remove 4 screws.
Y-Main : PH,+,WWP,M3,L8,NI PLT
Board
Detach all connectors from the Y-Main
Board.

50" Remove 4 screws.
Y-Main : PH,+,WWP,M3,L8,NI PLT
Board
Detach all connectors from the Y-Main
Board.

3-10 Samsung Electronics
Disassembly & Reassembly

3-1-14 Separation of ASSY PDP MODULE P-ADDRESS BUFFER BOARD
Part Name Description Description Photo
42" Remove 4 screws.
Still Bar : PH,+,WWP,M3,L8,NI PLT

Remove the still bar.

50" Remove 4 screws.
Still Bar : PH,+,WWP,M3,L8,NI PLT

Remove the still bar.

42" Detach the all connectors from the
Buffer buffer board.
Board
Remove 3 screws.
: PH,+,WWP,M3,L8,NI PLT

Remove the E-Board and F-Board.

50" Detach the all connectors from the
Buffer buffer board.
Board
Remove 14 screws.
: PH,+,WWP,M3,L8,NI PLT

Remove the E-Board and F-Board.

Samsung Electronics 3-11
Disassembly & Reassembly

3-1-15 Separation of ASSY PANEL BRACKETS
Part Name Description Description Photo
Panel Remove 3 screws. ( )
Brackets : BH,+,B,M4,L3,ZPC(BLK)

Remove 4 screws. ( )
: BH,+,S,M4,L10,ZPC(BLK)

Remove the Side Panel Brackets.

3-1-16 Separation of ASSY PCB FUNCTION
Part Name Description Description Photo
Function Remove 2 screws.
Board : BH,+,B,M4,L3,ZPC(BLK)

Remove the Function Board.

3-12 Samsung Electronics

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