Samsung PS-42P7HD Service Manual

SGS0WHOHYLVLRQ FRQWHQWV1. Precaution2. Product Specification3. Disassembly & Reassembly4. Troubleshooting5. Exploded View & Part List6. Wiring

Product SpecificationSamsung Electronics 2-12. Product Specification2-1 Product SpecificationFeaturesBlock Specification Major IC RemarkRF Tuner TCPW3

Product Specification2-2 Samsung Electronics New Features explanation- Anynet+ : Anynet+ is an AV network system that enables you to control all conn

Product SpecificationSamsung Electronics 2-32-2 Specifications AnalysisModel PS-42Q91H (Calla-42HD) PS-50Q91H (Calla-50HD) PS-42P7HD (Alps-42HD)Design

Product Specification2-4 Samsung Electronics2-3 Accessories Accessories Item Item code RemarkSupplied AccessoriesRemote ControlBatteriesBN59-00602A430

Product SpecificationSamsung Electronics 2-5Accessories Item Item code RemarkAccessories that can be purchasedadditionallyPC Cable1830mmBN39-00115AEle

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TroubleshootingSamsung Electronics 4-14-1-1 First Checklist for Troubleshooting1. Check the various cable connections first.- Check to see if there is

Troubleshooting4-2 Samsung Electronics4-1-2 Checkpoints by Error Mode No PowerSymptom- The LEDs on the front panel do not work when connecting the po

TroubleshootingSamsung Electronics 4-3 When the unit is repeatedly turning on and offSymptom - The SMPS relay is repeatedly turning on and off.Major

Troubleshooting4-4 Samsung Electronics No Picture (When audio is normal)Symptom - Audio is normal but no picture is displayed on the screen.Major Che

This Service Manual is a property of Samsung Electronics Co.,Ltd.Any unauthorized use of Manual can be punished under applicableInternational and/or d

TroubleshootingSamsung Electronics 4-5 No SoundSymptom - Video is normal but there is no sound.Major Checklist- When the speaker connectors are disco

Troubleshooting4-6 Samsung Electronics No VideoSymptom - A normal/cable network analog broadcast screen is blank or abnormal but OSD is OK.Major Che

TroubleshootingSamsung Electronics 4-7STD_5VNormal PS-ONAbnormalCheck the ICB802, DB864, FB801, F801SPower ONVAMultiAbnormalAbnormalNormal VS-ONVSNorm

Troubleshooting4-8 Samsung ElectronicsCondition Name Description Related BoardNo Voltage Output Operating Voltage don't exist PSUNo Display Opera

TroubleshootingSamsung Electronics 4-9No Display[ Y-MAIN ]Check necessary points[ Logic Main ]LED Blinks[ X-MAIN ]Check necessary points[ Logic Main ]

Troubleshooting4-10 Samsung ElectronicsAbnormalDisplay[ Y-MAIN ]Check necessary points[ Logic Main ]Observation ofabnormal display[ X-MAIN ]Check nece

TroubleshootingSamsung Electronics 4-11③ Sustain Open (some horizontal lines don't exist on screen)[ Y-FPC ]Sustain OpenAfter Changing Y-buffer,r

Troubleshooting4-12 Samsung Electronics⑤ Address Open, Short▶ Address Open and Short is related with Logic Main, Logic Buffer, FFC, TCP film and so on

TroubleshootingSamsung Electronics 4-134-1-3 Faults and Corrective ActionsSymptom Related Image Causes and CountermeasuresA blank vertical cell (block

Troubleshooting4-14 Samsung ElectronicsSymptom Related Image Causes and CountermeasuresEither the main or sub picturedoes not appear.Replace the Main

Table of ContentsChapter 1 Precaution 1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TroubleshootingSamsung Electronics 4-15<PDP 42”> <PDP 50”>4-1-4 Troubleshooting Procedures by assemblyNo Assembly Major Symptoms1 SMPS-PDP

Troubleshooting4-16 Samsung Electronics4-2 Adjustment4-2-1 Service Instruction Before Performing After Sales Services1. Check if the measurement and

TroubleshootingSamsung Electronics 4-174-2-2 How to Access Service Mode1. General RemoteTo Enter: →→→→(Interval between key s

Troubleshooting4-18 Samsung Electronics4-2-3 Factory Data ★★The underlined are items applied during the service adjustment. None of the others should

TroubleshootingSamsung Electronics 4-19ItemPDP 42" PDP 50"Option indexC4A_RMA initial value C5A_RMA initial valueLanguage English English En

Item Range TV/AV/S_Video Component PC HDMIR-Offset 00H ~ FFH 3AH 40H 32H 82HG-Offset 00H ~ FFH 3AH 40H 32H 82HB-Offet 00H ~ FFH 3AH 40H 32H 82HR-Gain

TroubleshootingSamsung Electronics 4-21Item Range Initial valueSkin Direction Reddish / Yellowish ReddishSkin Enhance 00H ~ FFH 00HGreen Stretch 00H ~

Troubleshooting4-22 Samsung Electronics③ FBE2ITEM Range RFAV/S-VideoComp480i/576iComp480p/576pComp720p/1080i/1080pHDMI DTV PCPattern Select 0 ~ 20 0 0

TroubleshootingSamsung Electronics 4-23ITEM Range Initial valuePattern Srlect 0 ~ 63 0Data updata ON / OFF OFFData Type 42"EU MRT/42"EU MESH

Troubleshooting4-24 Samsung Electronics8. Adjust9. I2C CheckITEM Range Initial valueVideo Mute Time 0 ~ 255 10Dynamic Contrast ON / OFF ONDynamic Dimm

1. Make sure all protective devices are properly installedincluding non-metallic handles and compartment coverswhen installing or re-installing the ch

TroubleshootingSamsung Electronics 4-2510. W/B MOVIEITEM Range TV/AV/S_Video Component PC HDMI Scart1/2WB Movie ON / OFF OFF OFF OFF OFF OFFColor Mode

Troubleshooting4-26 Samsung Electronics4-2-4 Service Adjustment White Balance - CalibrationIf picture color is wrong, do calibration first.Execute ca

TroubleshootingSamsung Electronics 4-27 White Balance - AdjustmentIf picture color is wrong, check White Balance condition.Equipment : CA210, Patten

Troubleshooting4-28 Samsung Electronics Method of Adjustment1. Adjust the white balance of AV, Component and DVI Modes.(AV → Component)a) Set the inp

TroubleshootingSamsung Electronics 4-29Replaced assembly items Check ItemsASSY PCB MISC-MAIN1) Auto Program2) White Balance AdjustSMPS-PDP TV Vs, Va v

Troubleshooting4-30 Samsung ElectronicsVoltage LabelSMPS2. A point of adjusting SMPS-MAIN voltage.Vs AdjustmentVa AdjustmentVa Test pointVs Test point

TroubleshootingSamsung Electronics 4-31 Y-RR and Y-FR controls60usec80usecTest PointRising rampvariable resistorFalling rampvariable resistorSet the

Troubleshooting4-32 Samsung Electronics4-3 Upgrade4-3-1 How to Update Flash ROM (with RS-232C Cable)1. Connect Set (Service Jack) and Jig Cable to exe

TroubleshootingSamsung Electronics 4-334-3-2 How to Check the Version of the Program1. Procedures for checking in the Factory Menu.When entering Facto

Wiring DiagramSamsung Electronics 6-16. Wiring Diagram6-1 Overall WiringCN5401CN5402CN5403CN5501CN5502CN5503CN5407CN5408CN5409CN5412CN5701CN5707CN807C

10. Safety Indication:Some electrical circuits or device related materialsrequire special attention to their safety features, whichcannot be viewed by

CN5401CN5402CN5403CN5412CN5501CN5502CN5503CN5407CN5507CN5701CN5707CN807CN809CN808CN810CN4701CN4002CN4001CN4000CN4004CN2004CN2600CN2610CN2510CN1CN3CN80

Wiring DiagramSamsung Electronics 6-3※ The code number of cable(Lead-connector) can be changed, see "5. Exploded View & Part List." Use①

Wiring Diagram6-4 Samsung Electronics①CN2202(MAIN B'D) ↔ CN2001(LOGIC B'D)Pin No. Signal Pin No. Signal1 RxIN0- 16 NC2 RxIN0+ 17 GND3 RxIN1-

Wiring DiagramSamsung Electronics 6-5④CN810(SMPS)↔CN5707(Y B'D)Pin No. Signal1 Vg2 GND3 GND4 GND5 Vs6 Vs⑤CN809(SMPS)↔CN4701(X B'D)Pin No. Si

Wiring Diagram6-6 Samsung Electronics42" Loc. No. 50" Loc. No. DescriptionCN5401 CN5401 Module and Y-Main Scan ConnectCN5402 CN5402 Module a

Wiring DiagramSamsung Electronics 6-742" Loc. No. 50" Loc. No. DescriptionCN1606 CN1606 Power SW Assy and Main Board ConnectCN1203 CN1203 Sp

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Schematic DiagramSamsung Electronics 7-17. Schematic Diagram7-1 Circuit DescriptionY Main BoardPDP PanelLogic BoardMain BoardSMPS BoardX Main BoardCPU

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Samsung ElectronicsSchematic Diagram7-3SGDFFO:HNO REWOP:L)SV21B : DCL(ylpus rewoP V2.1)SV81B : PDP(rewoP yb dnatSV33B1011CFn011_V5A1Fn000016511CmhoK00

1. The service instructions are printed on the cabinet, andshould be followed by any service personnel.2. Make sure to unplug the AC power cord from

Samsung ElectronicsSchematic Diagram7-4CI ot esolCtuo rekaepSREVIECER IMDHTUO_+RDNG sissahCCI ot esolCCI ot esolCCI ot esolCNOITULOS ESION POPDNG siss

7-5Schematic DiagramSamsung ElectronicsREDWHITERED WHITERED WHITEREDGREEN BLUE3251RLRTC YHPTUPNI_1PMOC4C492100-1073 :PDPTUPNI DNUOS IVD4DCECEDOM C2I :

Samsung ElectronicsSchematic Diagram7-6YELLOWWHITEREDGRN BLUE RED WHT REDYELLOW REDWHITEREDWHITEYELLOW WHITE REDoediV-S ediS2TNENOPMOC1TRACSNOITPO LET

7-7Schematic DiagramSamsung ElectronicsHHTCELESHNO SDVL PDPLHHMARNOITPO LETOHMOCIM_NIAM)DCL(ffo/nO lenaP : TROP CCVP_WS1LES_TRAU2LES_TRAU!!! HSALF fo

Samsung ElectronicsSchematic Diagram7-8-4BTUOXT86XW-PVS+1BTUOXT-KLCBTUOXT+2BTUOXT-1BTUOXTgubeD pihC C2I-3BTUOXTCDA+0BTUOXT-4BTUOXT-2BTUOXT-0BTUOXT+KLC

7-9Schematic DiagramSamsung ElectronicsLFCC >-RDD 23 X M4RDD ot raeN197100-5011RDDLFF >-DH-L ,DHF-H : LES-EDOM *PO_1822RSDVL-L ,LTT-H : LES TUPN

Part Name Description Description Photo CoverRear① Remove 4 screws. ( ): M8,L16,ZPC(BLK),SWRCH18A,WP② Remove 15 screws. ( ) : BH,+,B,M4,L3,Z

Disassembly & Reassembly3-2 Samsung Electronics3-1-3 Separation of FILTER-EMI AC LINEPart Name Description Description PhotoFILTER-EMIAC LINE① Det

Disassembly & ReassemblySamsung Electronics 3-33-1-5 Separation of ASSY BRACKETPart Name Description Description Photo42"Bracket① Remove 4 sc

Disassembly & Reassembly3-4 Samsung Electronics3-1-7 Separation of ASSY BRACKET P-WALLPart Name Description Description Photo42"WallBracket①

1-3 Static Electricity Precautions1. Some semi-conductive ("solid state") devices arevulnerable to static electricity. These devices are kno

Disassembly & ReassemblySamsung Electronics 3-53-1-8 Separation of ASSY SPEAKER PPart Name Description Description Photo42"Speaker① Remove 4

Disassembly & Reassembly3-6 Samsung Electronics3-1-10 Separation of SMPS-PDP TVPart Name Description Description Photo42"SMPS① Detach all con

Disassembly & ReassemblySamsung Electronics 3-73-1-11 Separation of ASSY PDP MODULE P-LOGIC MAIN BOARDPart Name Description Description Photo42&qu

Disassembly & Reassembly3-8 Samsung Electronics3-1-12 Separation of ASSY PDP MODULE P-X MAIN BOARDPart Name Description Description PhotoFlat Cabl

Disassembly & ReassemblySamsung Electronics 3-93-1-13 Separation of ASSY PDP MODULE P-Y MAIN BOARDPart Name Description Description PhotoFlat Cabl

Disassembly & Reassembly3-10 Samsung ElectronicsPart Name Description Description Photo42"Y-MainBoard① Remove 4 screws.: PH,+,WWP,M3,L8,NI PL

Disassembly & ReassemblySamsung Electronics 3-113-1-14 Separation of ASSY PDP MODULE P-ADDRESS BUFFER BOARDPart Name Description Description Photo

3-1-16 Separation of ASSY PCB FUNCTIONPart Name Description Description PhotoFunctionBoard① Remove 2 screws.: BH,+,B,M4,L3,ZPC(BLK)② Remove the Functi

Samsung Electronics5-1Exploded View & Part List5. Exploded View & Part List5-1 PS50Q91HX/XEC Exploded ViewT0074T0268T0003M0146M0150M0112T0023T

5-2Samsung ElectronicsExploded View & Part ListLoc. No. Code No. Description Specification Q'ty SA/SNA RemarkCIS7 AA61-60003B SPRING ETC-CS -

PrecautionSamsung Electronics 1-51-4 Installation Precautions1. For safety reasons, more than two people are requiredfor carrying the product.2. Keep

Samsung Electronics5-3Exploded View & Part List5-2 PS50Q91HX/XEC Service ItemLoc. No. Code No. Description Specification Q'ty RemarkM0013 BN9

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