Samsung PS42B451B2WXXU User manual

PLASMA DISPLAY TV CONTENTS
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
SERVICE Manual
PS42B451B2W
PS50B451B2W
PLASMA DISPLAY TV
Chassis : F65A(P_HD)_B450
Model : PS42B451B2WXXU
PS50B451B2WXXU
Refer to the service manual in the GSPN (see the rear cover) for the more information.

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
©Samsung Electronics Co., Ltd. Mar. 2009
Printed in Korea
AA82-05739A
Area Web Site
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CIS cis.samsungportal.com
Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast & Africa mea.samsungportal.com
GSPN (Global Service Partner Network)

Table of Contents
Chapter 1 Precaution
■1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
■1-2 Servicing Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
■1-3 Static Electricity Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
■1-4 Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Chapter 2 Product Specification
■2-1 Product Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
■2-2 Specifications Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
■2-3 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Chapter 3 Disassembly & Reassembly
■3-1 Overall Disassembly & Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Chapter 4 Troubleshooting
■4-1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
■4-2 Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
■4-3 Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
Chapter 5 Exploded View & Part List
■5-1 PS42B451B2WXXU Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
■5-2 PS50B451B2WXXU Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
■5-3 PS42B451B2WXXU Service Item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
■5-4 PS50B451B2WXXU Service Item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Chapter 6 Wiring Diagram
■6-1 Overall Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Part Name Description Description Photo
Cover
Rear
Remove 17 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)
Remove 6 screws. ( )
: PH,+,WSP,S,M4,L35,ZPC(BLK)
Remove the rear cover.
: Please lay the PDP unit face down on a
soft surface when removing the stand.
Disassembly & Reassembly
Samsung Electronics 3-1
3. Disassembly & Reassembly
3-1 Overall Disassembly & Reassembly
3-1-1 Separation of ASSY COVER P-REAR
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.
!
!
<42"> <50">

Disassembly & Reassembly
3-2 Samsung Electronics
3-1-3 Separation of FILTER-EMI AC LINE
Part Name Description Description Photo
FILTER-
EMI
AC LINE
Detach connector from SMPS.
Remove 2 screw. ( )
: PH,+,WWP,M3,L8,NI PLT
Remove 1 screws.( )
: BH,+,S,M4,L10,ZPC(BLK)
Separate FILTER-EMI AC LINE from
bracket.
3-1-2 Separation of ASSY PCB MISC-MAIN
Part Name Description Description Photo
Main
Board
Detach all connectors from the Main
Board.
Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the Main Board.
The photo is for 42".
50" is very similiar with 42".
<42">
<50">

Disassembly & Reassembly
Samsung Electronics 3-3
3-1-4 Separation of BRACKET-PCB
Part Name Description Description Photo
Bracket
PCB
Remove screw.( )
: BH,+,B,M4,L3,ZPC(BLK)
Remove the BRACKET-PCB.
3-1-5 Separation of ASSY BRACKET 42"/50"
Part Name Description Description Photo
Bracket Remove 2 screws. ( )
: BH,+,PT,S Tite,M4,L10,ZPC(BLK)
Remove 2 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)
Remove Bracket.

3-1-7 Separation of ASSY SPEAKER P
Part Name Description Description Photo
Speaker Remove 4 screws.( )
: BH,+,WP,B,M4.0,L3,ZPC(BLK),
SWRCH18A
Remove the Speaker.
The photo is for 42".
50" is very similiar with 42".
Disassembly & Reassembly
3-4 Samsung Electronics
3-1-6 Separation of ASSY BRACKET P-WALL
Part Name Description Description Photo
42"
Wall
Bracket
Remove 2 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)
Remove 4 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"
Wall
Bracket
Remove 2 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)
Remove 4 screws. ( )
: BH,+,S,M4,L10,ZPC(BLK)
Remove Wall Bracket.
!

Disassembly & Reassembly
Samsung Electronics 3-5
3-1-8 Separation of SMPS-PDP TV
Part Name Description Description Photo
42"
SMPS
Detach all connectors from the SMPS.
Remove 6 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"
SMPS
Detach all connectors from the SMPS.
Remove 6 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the SMPS.
!
3-1-9 Separation of ASSY PDP MODULE P-LOGIC MAIN BOARD
Part Name Description Description Photo
Logic
Board
Detach all connectors from the Logic
Main Board.
Remove 2 screws.
: WSP,PH,+,M3,L8,NI PLT
Remove the Logic Main Board.

Disassembly & Reassembly
3-6 Samsung Electronics
3-1-10 Separation of ASSY PDP MODULE P-X MAIN BOARD
Part Name Description Description Photo
42"
Flat able
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.
: Pinch the sides, but then push down in the ribbon, it
should slide out after that.
42"
X-Main
Board
Remove 7 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the X-Main Board.
50"
X-Main
Board
Remove the X-Main Board.
!

Disassembly & Reassembly
Samsung Electronics 3-7
3-1-11 Separation of ASSY PDP MODULE P-Y MAIN BOARD
Part Name Description Description Photo
42"
Flat Cable
Detach the scan board connectors from the panel .
50"
Flat Cable
Detach the scan board connectors from the panel .
42"
Y-Scan
Board
Remove 2 screws.
: PH,+,WWP,M3,L8,NI PLT

3-1-12 Separation of ASSY PDP MODULE P-ADDRESS BUFFER BOARD
Part Name Description Description Photo
42"
Buffer
board
shield
Remove 3 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the still bar.
Before removing the still bar, you should
lift up the panel a little.
50"
Buffer
board
shield
Remove 3 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the still bar.
Before removing the still bar, you should
lift up the panel a little.
Disassembly & Reassembly
3-8 Samsung Electronics
Part Name Description Description Photo
50"
Y-Scan
Board
Remove 7 screws.
: PH,+,WWP,M3,L8,NI PLT

Disassembly & Reassembly
Samsung Electronics 3-9
3-1-13 Separation of ASSY PANEL BRACKETS
Part Name Description Description Photo
Panel
Brackets
Remove 7 screws. ( )
: BH,+,B,M4,L3,ZPC(BLK)
Remove the Side Panel Brackets.

3-10 Samsung Electronics
MEMO

Samsung Electronics5-1
Exploded View & Part List
5. Exploded View & Part List
5-1 PS42B451B2WXXU Exploded View
M0112
T0003
T0456
T0603
M0175
M0150
M0027
M0146
T0175
M0149
M0523
T0044
T0289 M0412
M0014
M0013
FT532

5-2Samsung Electronics
Exploded View & Part List
Loc. No. Code No. Description Specification Q'ty SA/SNA Remark
FT532 2901-001548 FILTER-EMI AC LINE 250V,6A,UL, CSA, VDE, 1 S.A
M0013 BN96-10205D ASSY COVER P-REAR PB450 42,PCM,BKM-P703, 1 S.N.A
M0014 BN94-02844A ASSY PCB MISC-MAIN PS42B450B1WXXC 1 S.N.A
M0027 BN96-09927A ASSY STAND P-BASE 42/50(PB450) 1 S.A
M0112 BN63-05331F COVER-FRONT 42PB450,ABS+PMMA,HB,CHARCOAL 1 S.A
M0146 BN96-10229A ASSY BRACKET P-FILTER SIDE PB450 42,SECC 2 S.N.A
M0149 BN96-10198A ASSY BRACKET P-FILTER TOP PB450 42,SECC 1 S.N.A
M0150 BN96-10199A ASSY BRACKET P-FILTER BOTTOM PB450 42,SE 1 S.N.A
M0175 BN96-10377B ASSY BOARD P-TOUCH FUNCTION&IR PS42B451B 1 S.A
M0412 BN96-10232A ASSY BRACKET P-PCB PB450 42,SECC,T0.6 1 S.N.A
M0523 BN96-10231A ASSY BRACKET P-SUPPORT STAND PB450 42,SE 1 S.N.A
T0003 BN96-10203F ASSY COVER P-FRONT PB450 42,ABS+PMMA,HB, 1 S.N.A
T0044 BN96-10452B ASSY PDP MODULE P SA42AX-YD11,PP42AB057B 1 S.A
T0175 BN96-09464A ASSY SPEAKER P 8ohm,4pin,10W,R:850 / L:3 1 S.A
T0289 BN63-05298A COVER-AV 50PB550,ABS HB,BLK(BK500) 1 S.A
T0456 BN67-00248A GLASS-FILTER EMI 42" P450,With AR, Witho 1 S.A
T0603 BN64-01013A WINDOW-RMC 42PB450,PC,VIOLET 1 S.N.A

Samsung Electronics5-3
Exploded View & Part List
5-2 PS50B451B2WXXU Exploded View
M0112
T0003
T0456
M0175
T0603
M0146
M0149
T0044
M0027
M0523
T0175
M0412
T0289
FT532
M0014
M0013
M0150

5-4Samsung Electronics
Exploded View & Part List
Loc. No. Code No. Description Specification Q'ty SA/SNA Remark
FT532 2901-001557 FILTER-EMI AC LINE 250V,6A,UL, CSA, VDE, 1 S.A
M0013 BN96-10206D ASSY COVER P-REAR PB450 50,PCM,BKM-P703, 1 S.N.A
M0014 BN94-02845A ASSY PCB MISC-MAIN PS50B450B1WXXC 1 S.N.A
M0027 BN96-09927A ASSY STAND P-BASE 42/50(PB450) 1 S.A
M0112 BN63-05334F COVER-FRONT 50PB450,ABS+PMMA,HB,CHARCOAL 1 S.A
M0146 BN96-10235A ASSY BRACKET P-FILTER SIDE PB450 50,SECC 2 S.N.A
M0149 BN96-10233A ASSY BRACKET P-FILTER TOP PB450 50,SECC 1 S.N.A
M0150 BN96-10234A ASSY BRACKET P-FILTER BOTTOM PB450 50,SE 1 S.N.A
M0175 BN96-10377C ASSY BOARD P-TOUCH FUNCTION&IR PS42B451B 1 S.A
M0412 BN96-10232B ASSY BRACKET P-PCB PB450 50,SECC,T0.6 1 S.N.A
M0523 BN96-10231A ASSY BRACKET P-SUPPORT STAND PB450 42,SE 1 S.N.A
T0003 BN96-10204F ASSY COVER P-FRONT PB450 50,ABS+PMMA,HB, 1 S.N.A
T0044 BN96-09931A ASSY PDP MODULE P S50HW-YD11,PP50HB056B, 1 S.A
T0175 BN96-09464B ASSY SPEAKER P 8ohm,4pin,10W,R:850 / L:3 1 S.A
T0289 BN63-05298A COVER-AV 50PB550,ABS HB,BLK(BK500) 1 S.A
T0456 BN67-00251A GLASS-FILTER EMI 50" P550,With AR, Witho 1 S.A
T0603 BN64-01013A WINDOW-RMC 42PB450,PC,VIOLET 1 S.N.A

Samsung Electronics5-5
Exploded View & Part List
5-3 PS42B451B2WXXU Service Item
Loc. No. Code No. Description Specification Q'ty Remark
M0013 BN96-10205D ASSY COVER P-REAR PB450 42,PCM,BKM-P703, 1
M0014 BN94-02844A ASSY PCB MISC-MAIN PS42B450B1WXXC 1
M0027 BN96-09927A ASSY STAND P-BASE 42/50(PB450) 1
M0154 BN96-09752A ASSY PDP P-Y-MAIN BUFFER BOARD S42AX-YB0 1
M2893 BN39-00802C LEAD CONNECTOR HPT4264H,UL1617#22,24P/24 1
T0003 BN96-10203F ASSY COVER P-FRONT PB450 42,ABS+PMMA,HB, 1
T0037 BN96-09753A ASSY PDP P-LOGIC MAIN BOARD S42AX-YB07,P 1
T0044 BN96-10452B ASSY PDP MODULE P SA42AX-YD11,PP42AB057B 1
T0045 BN96-09749A ASSY PDP P-X-MAIN BOARD S42AX-YB07,PL42A 1
T0045 BN96-09750A ASSY PDP P-X-MAIN BUFFER BOARD S42AX-YB0 1
T0074 BN59-00863A REMOCON LCD450,TM950,EUROPE,WHITE,48 1
T0262 BN96-09751A ASSY PDP P-Y-MAIN BOARD S42AX-YB07,PL42A 1
T0764 BN44-00273B SMPS-PDP TV 42U1_DY,AC/DC,314.23W,AC90~2 1
T0937 BN96-09754A ASSY PDP P-ADDRESS E-BUFFER BO S42AX-YB0 1
T0938 BN96-09755A ASSY PDP P-ADDRESS F- BUFFER B S42AX-YB0 1
※This is the list which is available to repair the real material at the time of service.

5-6Samsung Electronics
Exploded View & Part List
5-4 PS50B451B2WXXU Service Item
Loc. No. Code No. Description Specification Q'ty Remark
M0013 BN96-10206D ASSY COVER P-REAR PB450 50,PCM,BKM-P703, 1
M0014 BN94-02845A ASSY PCB MISC-MAIN PS50B450B1WXXC 1
M0027 BN96-09927A ASSY STAND P-BASE 42/50(PB450) 1
M2893 BN39-00802S LEAD CONNECTOR LILY2 50",UL1007#26,24p/2 1
T0003 BN96-10204F ASSY COVER P-FRONT PB450 50,ABS+PMMA,HB, 1
T0037 BN96-09739A ASSY PDP P-LOGIC MAIN BOARD S50HW-YB04,P 1
T0039 BN96-09741A ASSY PDP P-ADDRESS F-BUFFER BO S50HW-YB0 1
T0044 BN96-09931A ASSY PDP MODULE P S50HW-YD11,PP50HB056B, 1
T0045 BN96-09736A ASSY PDP P-X-MAIN BOARD S50HW-YB04,PL50H 1
T0045 BN96-09737A ASSY PDP P-X-MAIN BUFFER BOARD S50HW-YB0 1
T0074 BN59-00863A REMOCON LCD450,TM950,EUROPE,WHITE,48 1
T0175 BN96-09464B ASSY SPEAKER P 8ohm,4pin,10W,R:850 / L:3 1
T0262 BN96-09738A ASSY PDP P-Y-MAIN BOARD S50HW-YB04,PL50H 1
T0764 BN44-00274B SMPS-PDP TV 50U1_DY,P0842A,AC/DC,439.03W 1
T0937 BN96-09740A ASSY PDP P-ADDRESS E-BUFFER BO S50HW-YB0 1
※This is the list which is available to repair the real material at the time of service.

Samsung Electronics5-7
MEMO