Samsung PS42D51SX/XEC Service Manual Download Page 84

Page: 84 / 118

Disassembly & Reassembly

Samsung Electronics

12-7

12-1-13 Separation of ASSY BUFFER BOARD

Part Name

Description

Description Photo

Wall

Bracket

①

Remove 8 screws.

: BH,+,-,S,M4,L8,ZPC(BLK)

②

Separate PDP module from Front cover.

: Please lay the PDP panel face down on a soft surface when

separating front cover.

③

Remove 16 screws.

: BH,+,S,M4,L10,ZPC(BLK)

TCP Cover

①

Remove 3 screws.

: PH,+,WWP,M3,L8,NI PLT

②

Remove TCP covers.

Buffer

①

Remove 10 screws.

: PH,+,WWP,M3,L8,NI PLT

②

Remove the E-Board, F-Board.

Summary of Contents for PS42D51SX/XEC

Page 1: ... Chassis D72A P Puccini_42D5 Model PS42D51SX XEC PLASMA DISPLAY TV FEATURES DTV Ready PDP TV 2 Way 4 Speakers 1 HDMI input Slim line design Energy Saving 12 Bit image processing 687 billion color SERVICE Manual PS 42D5S ...

Page 2: ... How to Access Service Mode 3 2 3 3 Factory Data 3 3 3 4 Service Adjustment 3 8 3 5 Software Upgrade 3 10 3 6 Replacements Calibration 3 14 Chapter 4 Exploded View Part List 4 1 PL42P5HX XAX 4 1 Chapter 5 Electrical Part List 5 1 PL42P5HX XAX Service Item 5 1 Chapter 6 Troubleshooting 6 1 First Checklist for Troubleshooting 6 1 6 2 Checkpoints by Error Mode 6 2 6 3 Troubleshooting Procedures by AS...

Page 3: ... 1 Product Features and Functions 11 1 11 2 New Features 11 5 11 3 Installation Notes and Precautions 11 7 Chapter 12 Disassembly Reassembly 12 1 Overhaul Disassembly Reassembly 12 1 Chapter 13 Circuit Description 13 1 Power ON OFF Signal Timing Sequence 13 1 13 2 Partial Block Descriptio 13 2 13 3 New Circuit Description 13 24 Chapter 14 Reference Information 14 1 Other issues related to other pr...

Page 4: ...out insulated transformers the product can only be repaired safely when the chassis is connected to the earthed end of the AC power source To make sure the AC power cord is properly connected follow the instructions below Use the voltmeter to measure the voltage between the chassis and the earthed ground If the measurement is over 1 0V unplug the AC power cord and change the polarity before re ins...

Page 5: ...eplaced with another irregular one the safety or protective features will be lost even if the new one has a higher voltage or more watts Critical safety parts should be bracketed with Use only regular parts for replacements in particular flame resistance and dielectric strength specifications Irregular parts or materials may cause electric shock or fire Precaution 1 2 Samsung Electronics ...

Page 6: ...sistance between the blade of the AC plug and that of the conductive material should be more than 1 7 Any B interlock should not be damaged If the metal heat sink is not properly installed no connection to the AC power should be made 8 Make sure the grounding lead of the tester is connected to the chassis ground before connecting to the positive lead The ground lead of the tester should be removed...

Page 7: ... for soldering purposes 6 Use only anti static solder removal devices Most solder removal devices do not support an anti static feature A solder removal device without an anti static feature can store enough static electricity to cause damage to the ESD 7 Do not remove the ESD from the protective box until the replacement is ready Most ESD replacements are covered with lead which will cause a shor...

Page 8: ...ositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock 6 Keep the antenna far away from any high voltage cables and install it firmly Contact with the high voltage cable or the antenna falling over may cause fire or electric shock 7 When connecting the RF antenna check for a DTV receiving system...

Page 9: ...1 6 Samsung Electronics MEMO ...

Page 10: ...Sound Amp M30620 Main Micom 3F8668 Sub Micom Block Specfication Major IC Remark RF Tuner BN40 00038A TMQ76 701A ALPS Power Input Voltage AC 100 240V 60Hz Stand By 3W less Video Scaler SVP EX62 Trident Sub Decoder SAA7119 Philips Picture Enhance DNIe Lite Samsung Video S W TEA6425 2 Component S W HDMI Sii9993 Silicon Image Sound Sound Processor MSP4410G Micronas Sound Control NSP6241A Audio S W TEA...

Page 11: ...n Comb Filter 3D comb filter PIP D W Large Panorama Wide Model PL 42P5H Dimensions Display 41 7 W x 29 1 H x 3 88 D inches Without Stand 41 7 W x 30 7 H x 13 4 D inches With Stand Weight Display 35 4 Kg 78 04 lbs Without Stand 40 1 Kg 88 40 lbs With Stand Voltage AC 100 240V 60Hz AC 100 240V 60Hz Mexico only Power Consumption 380 W Number of Pixels 1024 H X 768 V Screen Size 42 inches ANTENNA inpu...

Page 12: ... 3 Auto Program Sleep Timer 180 minute Clock Zoom Previous channel White Screen Color Tone In Out Terminals Rear 1 AV Input 1 SVHS Input AV Monitor Output Component Input 480i 480p 720p 1080i 15 Pin D sub Input XGA 1024 x 768 1 HDMI Input HDCP DTV 480p 720p 1080i 1 RF Input Remocon TM76 Power Supply 100V 240V Power Standy by 3W less Max Power 380W HDMI 640x480p 59 94 60Hz 720x480p 59 94 60Hz 720x5...

Page 13: ...09 37 861 N N VESA DMT 75 37 5 N N VESA DMT 800 X 600 56 25 35 156 N P N P VESA DMT 60 317 37 879 P P VESA DMT 70 43 75 N P N P VESA GTF 72 188 48 077 P P VESA DMT 75 46 875 P P VESA DMT 848 X 480 60 31 02 P P VESA DMT 74 769 37 684 N P VESA CVT 1024 X 768 60 004 48 363 N N VESA DMT 70 069 56 476 N N VESA DMT 72 57 672 N P N P VESA GTF 75 029 60 023 P P VESA DMT The interlace mode is not supported...

Page 14: ...Enhacer DNIe L DNIe 3 DNIe 3 Digital Comb Filter O O O Audio Equalizer O O O Auto Volume O O O Surround Sound SRS TreSurround XT SRS TreSurround XT SRS TreSurround XT Speaker Output 15W 15W 15W 15W 15W 15W Speaker Included Included Included Features PIP O O O Double Screen O O O Caption X X X Still Image O O O My Color Control O O O Color Weakness O O O Energy Saving O X X Anynet X X X D Net IEEE1...

Page 15: ...d Accessories User Manual BN68 00866F Samsung Service center Remote Control AAA Batteries BN59 00492A 4301 000103 Power Cord 3903 000144 Accessories that can be purchased additionally S VIDEO Cable Internet shopping mall HDMI Cable HDMI DVI cable Component Cables RCA PC Cable PC Audio Cable Antenna Cable ...

Page 16: ... Main Board replace ATM Channel fixing and White Balance adjustment 2 Main SMPS Board replace Vs Va Voltage check and adjust 3 DC DC SMPS Board replace Output voltage check and adjust 4 Logic Board replace Not adjustment 5 Y Main Board replace Not adjustment 6 X Main Board replace Not adjustment 7 Buffer Board replace Not adjustment ...

Page 17: ...ERVICE MODE DISPLAY State The firmware version is subject to change without notice 4 Buttons operations within Service Mode Factory AIR 10 White Balance uPD64083 ADV7402 Main SDP51 MST9883 ADV7402 Sub DNIe Logic PW318 Option PW318 Upgrade TL945 Upgrade Reset Release Date XXX XX XXXX XX XX XX Code No M1 Micom XX PW318 T_XXXXXXXXX XXXX TL945 0 XX Current input mode Firmware version MENU Full Menu Di...

Page 18: ... Language English Osd language 11 Auto FM OFF ON OFF 12 High Deviation Off ON OFF 13 TTX On ON OFF 14 TTX List Flop Flop List 15 TTX TOP Off ON OFF 16 TTX Group Auto Language TTX language 17 TTX Level Level 1 5 LEVEL 1 5 2 5 18 Shift Test OFF ON OFF 19 Sound Delay1 OFF ON OFF 20 Sound Delay2 OFF ON OFF 21 Debug OFF ON OFF 2 Option Table 1 Calibration 2 Option Table 3 White Balance 4 SVP EX 5 SAA71...

Page 19: ... 0 255 148 128 128 128 3 White Balance 4 SVP EX No Item Range Initial Value Remark 1 Y Filter 0 255 80H 2 0 255 80H 3 0 255 80H 4 0 255 80H 5 0 255 80H ComB Filter Peaking No Item Range Initial Value Remark 1 V Peaking 0 255 80H 2 Peaking Delay 0 255 80H 3 Peaking Gain 0 255 80H 4 Peaking Width 0 255 80H 5 Praking f0 0 255 80H NR No Item Range Initial Value Remark 1 Y NR Off 0 255 80H 2 C NR Off 0...

Page 20: ...g PB B Gain 00 255 FEh E9h FEh 11 Analog PR R Gain 00 255 FEh E9h FEh 12 Black Level Setting 00 255 00h 13 Brightness SVP 0 255 00h No Item Range Initial Value 1 HTC 00 255 2 2 ATVT 00 255 1 3 LUFI 00 255 5 4 NAICO_Brig 00 255 128 5 NAICO_Cont 00 255 64 6 NAICO_Satu 00 255 64 7 NAICO_Hue 00 255 3 8 COMP_Brig 00 255 162 9 COMP_Cont 00 255 92 10 COMP_Satu 00 255 64 11 TASKA_Brig 00 255 140 12 TASKA_...

Page 21: ...AV NTSC4 43 00 255 102 13 AV PAL60 00 255 119 8 Adjust No Item Range TV AV S Video Component PC DVI HDMI Remark 1 Video Mute Time 10 2 Melody Volume 0 20 5 3 TTX Contrast 0 100 50 4 TTX Brightness 0 100 50 5 TTX Color 0 100 50 6 Dynamic Contrast 0 100 100 7 Dynamic Color 0 100 50 8 Dynamic Sharpness 0 100 60 9 Standard Contrast 0 100 90 10 Standard Brightness 0 100 80 11 Standard Color 0 100 70 12...

Page 22: ... DNIe Lite 0x0081 09 00 512 511 0 0 0 0 9 B Offset Post DNIe Lite 0x0082 09 00 512 511 0 0 0 0 10 R Gain Post DNIe Lite 0x007B 07 00 0 255 128 128 128 128 11 G Gain Post DNIe Lite 0x007C 15 08 0 255 128 128 128 128 12 B Gain Post DNIe Lite 0x007C 07 00 0 255 128 128 128 128 13 Com_Offset_Sel Post DNIe Lite 0x00F2 13 0 1 1 14 Com_Gain_Sel Post DNIe Lite 0x00F2 14 0 1 1 10 Chip Debugger ON OFF 11 Ch...

Page 23: ...anufacturer Master 2 Adjust Pattern ABL Pattern Master 925LTH 16 Pattern 3 Adjust Timing Video PAL Master 925LTH Model 2 Component 720P Master 925LTH Model 6 4 The adjustment procedures for each mode are described as follows 1 Componen Send the Toshiba ABL Pattern Pattern 16 of the 1080i Model 5 resolution signal to the DVI IN port using the Master 925 LTH Enter Factory mode move to White Balance ...

Page 24: ...Alignment Adjustment Samsung Electronics 3 9 ...

Page 25: ...tronics 3 5 Software Upgrade 3 5 1 Digital Board TL945 Flash Upgrade 1 Connect one end of the RS 232C cable to the PC COM port and the other end of the cable to the PDP Service port while the power of the PDP is off 2 Rome Flash Downloader ...

Page 26: ...Alignment Adjustment Samsung Electronics 3 11 3 When the Flash Downloader is launched click the Open button 4 Select a file to be downloaded from the computer ...

Page 27: ...tment 3 12 Samsung Electronics 5 After selecting a target file click the Connect button and turn the power on When the program is activated Ready click 6 Note that the power must not be turned off during the download ...

Page 28: ...Alignment Adjustment Samsung Electronics 3 13 7 After the download is finished the Flash Download Completed popup window opens That indicates S W upgrade is completed ...

Page 29: ... Calibration 3 6 1 Voltage Adjustment When the SMPS is replaced the Va Vs voltages must be checked and adjusted to the proper levels indicated on the panel sticker Voltage Label VR514 Va adjustment VR432 Vs adjustment Ve adjustment Vset adjustment Vscan adjustment ...

Page 30: ...S A T0003 BN96 02693D ASSY COVER P FRONT 42S5 ASIA HIPS HB BKN 1 S A T0023 BN64 00336A KNOB POWER 42P5 PC VIOLET 1 S N A T0044 BN96 02889A ASSY PDP MODULE P M1 S42AX YB01 V4 1024 1 S A T0061 BN64 00338A WINDOW REMOCON 42P5 ACRYL 5 1 S N A T0073 AA63 01078A GASKET EMI 42P5 AL POIL T1 5 7 1006 2 S N A T0073 AA63 01079A GASKET EMI 42P5 AL POIL T1 5 W7 L614 5 2 S N A T0074 BN59 00492A REMOCON PL42P5H ...

Page 31: ...NECTOR PUCCINI UL1007 26 10PIN 1 1 S A M2893 BN39 00676A LEAD CONNECTOR PUCCINI UL1007 26 12PIN 1 1 S A T0074 BN59 00492A REMOCON PL42P5H TM77 SAMSUNG SIN 47 SILV 1 S A T0091 BN94 00732A ASSY PCB MISC SIDE A V HPR4272X D71A SCH 1 S A T0079 BN94 00755B ASSY PCB MISC MAIN PL 42P5H D72A BN41 00 1 S A T0175 BN96 01737B ASSY SPEAKER P 8ohm P5 42 15W Urethan co 1 S A M0013 BN96 01786A ASSY COVER P REAR ...

Page 32: ...Samsung Electronics 5 2 MEMO ...

Page 33: ...there is a burnt or damaged cable Check to see if there is a disconnected cable connection or a connection is too loose Check to see if the cables are connected according to the connection diagram 2 Check the power input to the Main Board 3 Check the voltage in and out between the SMPS Main Board between the SMPS X Y Drive Board and between the Logic Boards ...

Page 34: ...roperly connected or the Main Board or SMPS is out of order In this case check the following Check the internal cable connection status inside the unit Check the fuses of each part Check the output voltage of SMPS Replace the Main Board Troubleshooting Procedures Are the AC IN socket connector and the Main SMPS CN800 connected The AC IN socket connector and the Main SMPS CN800 connected Is the Fus...

Page 35: ...N of the X Drive Board and CN of the Y Drive Board a spark may be generated by the electric charge of the high capacity capacitor Therefore wait some time after separating the power cord from the unit Does the symptom continue after connecting the power and removing the CN800 cable from the Main SMPS Does the symptom continue after connecting the power and removing the CN800 cable from the Main SM...

Page 36: ...connecting the cables such as CN809 of the Main SMPS CN1 CN2 CN3 CN4 and CN5 of the DC DC SMPS CN of the X Drive Board and CN of the Y Drive Board a spark may be generated by the electric charge of the high capacity capacitor Therefore wait some time after separ ating the power cord from the unit Are the Vs and Va voltages normal after removing the CN809 cable from the Main SMPS Replace the Main S...

Page 37: ...rder Speaker defect When setting the volume to 0 Nonsense Troubleshooting Procedures Is the cable connection between the Main Board and the speaker properly connected Connect the cable properly or replace the cable if necessary Is the speaker output terminal of the Main Board normal Replace the Y Drive Board Replace the DC DC SMPS Replace the X Drive Board Replace the Logic Drive Board Replace the...

Page 38: ...cklist Check the antenna connection settings Antenna 1 Normal Cable DTV Antenna 2 Only for DTV Check the tuner output signal CVBS Check the power input of the Main board Troubleshooting Procedures Check CN0900 pin 2 for 33V Configure properly Replace the Main SMPS Replace the Main Board Is the antenna connection setting properly configured ...

Page 39: ...e Board Blank screen 6 ASSY PDP P Y BUFF UPPER BOARD BN96 02034A Y Buffer Upper Board Upper screen is blank 7 ASSY PDP P Y BUFF LOWER BOARD BN96 02216A Y Buffer Lower Board Lower screen is blank 8 ASSY PDP P LOGIC BOARD BN96 02035A Logic Board Blank screen Screen noise 9 ASSY PDP P LOGIC E BUFF BOARD BN96 02036A Address E Buffer Board Corresponding Buffer Board block screen is blank 10 ASSY PDP P ...

Page 40: ...6 8 Samsung Electronics MEMO ...

Page 41: ...Block Diagram Samsung Electronics 7 1 7 Block Diagram 7 1 Overall Block Diagram ...

Page 42: ...Block Diagram 7 2 Samsung Electronics 7 2 Partial Block Diagram 7 2 1 Audio Signal Block Diagram 7 2 2 Video Signal Block Diagram ...

Page 43: ...Block Diagram Samsung Electronics 7 3 7 2 3 Logic Board Block Diagram ...

Page 44: ...7 4 Samsung Electronics 7 2 4 Module Driver Board Block Diagram 1 Y Main Board Power Input Part Logic Signal Input Part Logic Signal Buffer 2 X Main Board Power Input Part Logic Signal Input Part Logic Signal Buffer ...

Page 45: ...Wiring Diagram Samsung Electronics 8 1 8 Wiring Diagram 8 1 Overall Wiring ...

Page 46: ... CN5007 Y B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Vset 6 RTN 7 Vscan 8 RTN 9 Vg 10 D5 3V CN4 DC DC SMPS CN4001 X B D Pin No Signal 1 D5 3V 2 Vg 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vs 9 Vs CN6 DC DC SMPS CN2509 E Buffer Pin No Signal 1 RTN 2 N C 3 D5 3V 4 N C 5 Va CN810 Main SMPS CN2013 Logic B D Pin No Signal 1 STD_5V 2 VS_ON 3 N C 4 PS_ON 5 RTN 6 D5 3V 7 RTN 8 RTN 9 D5 3V 10 D5 3V 8 2 Partial Wiring...

Page 47: ...rd Pin No Signal 1 5 3V 2 RTN 3 Vcs 4 Vca 5 RTN 6 RTN 7 12V 8 PS_ON 9 RTN 10 STD_5V 11 FAN_ON 12 FAN_D CN804 1 Main SMPS CN0902 Main Board Pin No Signal Pin No Signal Pin No Signal 1 12 TXOUT3 23 TXOUT1B 2 GND 13 TXOUT3 24 TXOUT1 3 PW_SDA0 14 TXCLKOUTB 25 TXOUT1 4 GND 15 TXCLKOUTB 26 GND 5 PW_SCL0 16 TXCLKOUT 27 GND 6 GND 17 TXCLKOUT 28 TXOUT0 7 18 GND 29 TXOUT0 8 TXOUT0B 19 GND 30 GND 9 TXOUT0B 2...

Page 48: ...01 Power Button Pin No Signal 1 GND 2 LED 3 ST5V 4 GND 5 FRONT_KEY2 6 PW_SDA3 7 PW_SCL3 8 FRONT_IR CN1000 Main Board Speaker Out Pin No Signal 1 SPK_R 2 SPK_R 3 SPK_L 4 SPK_L CN0903 Main Board CN1 Function Key Board Pin No Signal 1 FRONT_KEY1 2 FRONT_KEY2 3 GND ...

Page 49: ...6 02032A X Drive Board ASSY PDP P Y MAIN BOARD BN96 02033A Y Drive Board ASSY PDP P Y BUFF UPPER BOARD BN96 02034A Y Buffer Upper Board ASSY PDP P Y BUFF LOWER BOARD BN96 02216A Y Buffer Lower Board ASSY PDP P LOGIC BOARD BN96 02035A Logic Board ASSY PDP P LOGIC E BUFF BOARD BN96 02036A Logic E Buffer Board ASSY PDP P LOGIC F BUFF BOARD BN96 02037A Logic F Buffer Board ...

Page 50: ...s 9 2 Main Board Function Key Board Power Button Board No Assy Name Code No Description ASSY BOARD P POWER IR BN96 02050E Power Button Board ASSY PCB MISC MAIN BN94 00755B Main Board ASSY BOARD P FUNCTION BN96 02550A Function Key Board ...

Page 51: ...NT TUNER Main BN40 00038A Schematic Diagram 10 1 Samsung Electronics 10 Schematic Diagram This Document can not be used without Samsung s authorization 10 1 MAIN 10 1 1 Scart Jack Power Signal ...

Page 52: ...10 2 Schematic Diagram Samsung Electronics 10 1 2 Video switch This Document can not be used without Samsung s authorization Power Signal ...

Page 53: ...Samsung Electronics Schematic Diagram 10 3 10 1 3 SAA7119 This Document can not be used without Samsung s authorization Power Signal ...

Page 54: ...10 4 Schematic Diagram Samsung Electronics 10 1 4 HDMI_PC IN This Document can not be used without Samsung s authorization Power Signal ...

Page 55: ...Samsung Electronics Schematic Diagram 10 5 10 1 5 SVP EX This Document can not be used without Samsung s authorization Power Signal ...

Page 56: ...10 6 Schematic Diagram Samsung Electronics 10 1 6 MICOM This Document can not be used without Samsung s authorization Power Signal ...

Page 57: ...Samsung Electronics Schematic Diagram 10 7 10 1 7 DNIe Lite This Document can not be used without Samsung s authorization Power Signal ...

Page 58: ...10 8 Schematic Diagram Samsung Electronics 10 1 8 JACK IN OUT This Document can not be used without Samsung s authorization Power Signal ...

Page 59: ...Samsung Electronics Schematic Diagram 10 9 10 1 9 CONTROL_POWER CONNECTOR This Document can not be used without Samsung s authorization Power Signal ...

Page 60: ...10 10 Schematic Diagram Samsung Electronics 10 1 10 AUDIO PART This Document can not be used without Samsung s authorization Power Signal ...

Page 61: ...Samsung Electronics Schematic Diagram 10 11 10 1 11 LVDS This Document can not be used without Samsung s authorization Power Signal ...

Page 62: ...10 12 Schematic Diagram Samsung Electronics 10 1 12 SOUND DELAY This Document can not be used without Samsung s authorization Power Signal ...

Page 63: ...Samsung Electronics Schematic Diagram 10 13 10 1 13 TUNER_DTV_POWER This Document can not be used without Samsung s authorization Power Signal ...

Page 64: ...8 6 4 R 0 1 5 1 N C s s e n r a H e p y T n I d r a o B 1 2 3 5 W S M E B E 4 6 1 1 T P J 6 W S M E B E 4 6 1 1 T P J 7 W S M E B E 4 6 1 1 T P J 2 C 100nF 1 C 100nF 3 W S M E B E 4 6 1 1 T P J 1 W S M E B E 4 6 1 1 T P J 2 W S M E B E 4 6 1 1 T P J 4 W S M E B E 4 6 1 1 T P J 7 R K 1 Samsung Electronics Schematic Diagram 10 14 This Document can not be used without Samsung s authorization 10 2 Fun...

Page 65: ...01 BZX84C5V1 1 2 3 ZD003 BZX84C5V1 1 2 3 0 0 1 8 0 6 1 7 0 0 R 0 0 1 8 0 6 1 8 0 0 R C002 1608 100nF C003 1608 100nF C005 1608 5pF C004 1608 5pF C006 1608 5pF 1 0 0 W S M E B E 4 6 1 1 P T J 1 0 0 P O 0 5 5 2 L S T 3 1 2 4 K L C B M S D D V D N G A T A D B M S 5 0 0 R 0 0 2 8 0 6 1 4 0 0 D E L K B T 3 5 3 L T L ZD004 BZX84C5V1 1 2 3 1 0 0 L H u 0 1 5 2 2 3 7 0 0 C V 6 1 F u 2 2 1 0 0 Q 4 0 9 3 T S...

Page 66: ...n Displays the main on screen menu 3 VOL buttons Press to increase or decrease the volume Also used to select or adjust items on the on screen menu 4 CH buttons Press CH or CH to change channels Also used to move up or down in the on screen menu 5 Enter button Press to confirm a selection 6 Power button Press to turn the TV on and off Power indicator Power Off Blue Power On Off 7 Remote Control Se...

Page 67: ...our TV allow you to receive left and right audio from your DVI device Not compatible with PC 4 DVI AUDIO IN AUDIO L R Connect to the DVI audio output jack of an external device 5 PC IN Connect to the video output jack on your PC 6 PC AUDIO IN Connect to the audio output jack on your PC 7 COMPONENT IN 1 2 Video Y PB PR and audio L AUDIO R component inputs 8 ANT IN 75 Ω Coaxial connector for Antenna...

Page 68: ...Operation Instruction Installation Samsung Electronics 11 3 11 1 3 Remote Control ...

Page 69: ...Operation Instruction Installation 11 4 Samsung Electronics ...

Page 70: ...communication identical to I2C and controls the PDP module to operate with the appropriate illuminance The I2C bus is used to communicate with the PDP module and the communication method is the same as the existing communication method Location of the Ambient Light Sensor The sensor is attached to the Power Assy which is on the front of the PDP The location of the sensor on the Power Assy is displ...

Page 71: ...y Color Control Energy Saving Standard PIP Picture T V Move Enter Return Mode Dynamic Size Wide Digital NR On DNIe Demo Off My Color Control Energy Saving Standard PIP Picture T V Move Enter Return Quick way to select Energy Saving Simply press the E SAVING button on the remote control Mode Dynamic Size Wide Digital NR On DNIe Demo Off My Color Control Energy Saving Standard PIP Picture T V Move E...

Page 72: ...ny damage to the product or injury to yourself or others if you elect to perform the wall installation 3 This product is for installing on cement walls The product may not stay in place when installed on plaster or wood 11 3 2 Parts Wall attachment panel is sold separately Only use the components and accessories shipped with the panel Plastic Hanger 4 Screw 11 Screw 4 Anchor 11 1 Left 1 Right 1 Wa...

Page 73: ...ect If the length is too short or long loosen all or some of the 4 screws on the wall bracket to adjust the length Hinge Left Length between the two locking holes Captive Screws Hinge Right 3 Check the installation diagram and mark the drill points on the wall Use the 5 0 mm bit to drill holes deeper than 35 mm Fix each anchor in the corresponding hole Match each of the brackets and hinge holes to...

Page 74: ... the 4 product holders into the corresponding bracket holes Then place the product so that it is firmly fixed to the bracket Make sure to reinsert and tighten the safety pin to securely hold the product to the bracket PDP Wall Bracket Wall Mount the product on the wall bracket and make sure it is properly fixed to the left and right plastic hangers Be careful when installing the product on the bra...

Page 75: ...nel brackets are tightened Otherwise the TV panel may fall down Please secure the mounting bracket on the wall surface after setting its angle at 0 Note Note Adjust the bracket angle to 2 o before installing it on the wall How to Adjust Mounting Angle Make sure to use the top center and not the left or the right side of the product to adjust the angle 1 Fix the product to the wall bracket 2 Hold t...

Page 76: ... the floor because of possible damage to the screen Always store the TV upright 1 Using the 4 screws for securing the stand pegs and the monitor firmly attach the monitor to the stand pegs The exterior of the set may be different than the picture Warning Firmly secure the stand to the TV before moving it as the stand may fall and could cause serious injury ...

Page 77: ...11 12 Samsung Electronics MEMO ...

Page 78: ...eparation of ASSY COVER STAND CABLE 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 Drive Board Y Drive 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 diagra...

Page 79: ...the PC input M3 L6 NI PLT SUM24L 4 40 Remove the cover rear 12 1 4 Separation of ASSY POWER IR Board Part Name Description Description Photo Power IR Board Remove 2 screws on the POWER IR Assy BH B M4 L12 ZPC BLK Remove the ASSY POWER IR Board 12 1 5 Separation of ASSY COVER SPEAKER Part Name Description Description Photo Cover Speaker Remove the 18 screws on the speaker cover BH B M4 L12 ZPC BLK ...

Page 80: ... Remove the Back Cover 12 1 7 Separation of ASSY PCB MISC MAIN Part Name Description Description Photo Main Board Remove 4 screws PH WWP M3 L8 NI PLT Remove all connectors from the board Remove the Main Board 12 1 8 Separation of ASSY COVER P REAR SUB Part Name Description Description Photo Cover P Rear Sub Remove 4 screws BH S M4 L8 ZPC BLK Remove 2 screws BH B M4 L8 ZPC BLK Remove the sub cover ...

Page 81: ...Logic Board Part Name Description Description Photo SMPS SMPS DC DC Remove 8 screws PH WWP M3 L8 NI PLT Detach all connectors from the ASSY SMPS then remove the boards Remove 4 screws PH WWP M3 L8 NI PLT Detach all connectors from the ASSY SMPS DC DC then remove the board Wear gloves when handling the power board as there may be some remaining electrical charge in the capacitor Specifically avoid ...

Page 82: ...rd To separate the Flat Cable of the X Board press the upper and the lower sides of the connector While pressing the connector apply slight force toward the direction of the cable to release the connector Remove the Flat cable Remove 4 screws PH WWP M3 L8 NI PLT Detach all reamining connectors from the X Drive Board Remove the X Drive Board ...

Page 83: ...rd connectors from the Panel Assy by pulling the holder from both the top and bottom ends Y Scan Remove 2 screws PH WWP M3 L8 NI PLT Connectors Separate the Scan Boards from the Y Main Board by detaching the 2 connectors and remove the Scan Boards Y Drive Remove 5 screws PH WWP M3 L8 NI PLT Detach all connectors from the Y Main Board and remove the Y Main Board ...

Page 84: ... Bracket Remove 8 screws BH S M4 L8 ZPC BLK Separate PDP module from Front cover Please lay the PDP panel face down on a soft surface when separating front cover Remove 16 screws BH S M4 L10 ZPC BLK TCP Cover Remove 3 screws PH WWP M3 L8 NI PLT Remove TCP covers Buffer Remove 10 screws PH WWP M3 L8 NI PLT Remove the E Board F Board ...

Page 85: ...12 8 Samsung Electronics MEMO ...

Page 86: ...o f µ µ t e s e r r o s s e c o r p c e S m 0 7 c e S m 0 7 N O r e l l o r t n o C e t o m e R N O r e l l o r t n o C e t o m e R N O r e l l o r t n o C e t o m e R N O r e l l o r t n o C e t o m e R S T U P T U O g V N O Y A L P S I D N O Y A L P S I D S T U P T U O C D a V a c V a c V s c V s c V 1 When connecting the AC power cord Stand By 5V from the Main SMPS is supplied to the Main Board...

Page 87: ...ired for operating the circuit SAA7119 Sub Video Decorder The Video Decoder IC that converts the Y C and Scart RGB signals for the main screen into 10 bit digita R G B signals SIL9993 HDMI Decorder Converts the TMDS signal on the HDMI input into 8 bit digital R G B signals S3F8668 Sub Micom Detects the Power on off signal from the remote control and the Power button and turns SMPS on or off handle...

Page 88: ...ide of the unit No Loc No Description 1 RM01 Remote Control Sensor 2 SW001 Power Button 3 OP001 The Illumination sensor that senses the quantity of light It senses the illumination and automatically adjusts the screen brightness according to the surrounding brightness when the Power Saving Mode of the User menu is set to Auto ...

Page 89: ... 7 RTN 8 RTN 9 VCA 10 VCS 11 RTN 12 5 3V 13 RTN 14 5 3V 3 CN803 MAIN SMPS CN108 READY B D Pin No Signal 1 RTN 2 VT 33V 3 RTN_AMP 4 RTN_AMP 5 18V_AMP 6 18V_AMP 7 RTN 8 12V 9 RTN 10 6V 4 CN810 Main SMPS CN2013 Logic B D Pin No Signal 1 5 3V 2 5 3V 3 RTN 4 RTN 5 5 3V 6 RTN 7 PS ON 8 N C 9 VS ON 10 STB 5V 5 CN809 Main SMPS CN3 DC DC SMPS Pin No Signal 1 5 3V 2 Vg 3 RTN 4 RTN 5 RTN 6 RTN 7 RTN 8 Va 9 V...

Page 90: ...rcuitry and reference No single point fault shall be able to cause a sustained over voltage condition on any or all outputs The supply shall provide latch mode Over Voltage Protection as defined below 5 Short Circuit and Over current Protection An output short circuit is defined as output impedance of less than 300mohms The power supply shall shutdown and latch off for shorting VS DC rails to retu...

Page 91: ... 3V 2 Vg 3 RTN 4 RTN 5 RTN 6 RTN 7 RTN 8 Va 9 Va 10 N C 11 Vs 12 Vs 4 5 CN1 CN6 DC DC SMPS CN2501 E Buffer CN2701 G Buffer Pin No Signal 1 RTN 2 N C 3 5 3V 4 N C 5 Va 2 CN2 DC DC SMPS CN5007 Y B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Vset 6 RTN 7 Vscan 8 RTN 9 Vg 10 5 3V 3 CN4 DC DC SMPS CN4000 X B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vg 9 5 3V ...

Page 92: ...er Auxiliary Power Auxiliary Power Rectification Block Rectification Block Rectification Block Feedback Block Feedback Block Feedback Block Vs Input Part Vscan Output Vset Output Ve Output DC DC SMPS receives Vs input 195 215V from the Main SMPS and the necessary Vscan Vset and Ve voltages are output to operate the PDP Module as shown in the block diagram above 1 Block Diagram ...

Page 93: ...oard ASSY PDP P Y MAIN BOARD Y Drive Board ASSY PDP P Y BUFF UPPER BOARD Y Buffer Upper Board ASSY PDP P Y BUFF LOWER BOARD Y Buffer Lower Board ASSY PDP P LOGIC BOARD Logic Board ASSY PDP P ADDRESS E BUFF BOARD Address E Buffer Board ASSY PDP P ADDRESS F BUFF BOARD Address f Buffer Board 1 Logic Block Logic Block Diagram ...

Page 94: ... data and the control signal to the E buffer board CN2076 F Adderss Buffer Connector The connector to output the address data and the control signal to the F buffer board Power Connector The connector to receive power 5V 3 3V for the Logic board ASIC CHIP The main processor that generates and outputs the logic drive signal and the address data MICOM LOADING 5PIN CONNECTOR The connector to load the...

Page 95: ...at the output waveform is normal using an oscilloscope Check if the waveform is the same as shown in Figure 2 by connecting the oscilloscope to the No 12 TP in Figure 1 Check if the waveform is the same as in Figure 3 by connecting the oscilloscope to the connector that is connected to the Buffer board If the measured waveform is different from the following waveforms the board must be replaced To...

Page 96: ...d That is the pixel whose wall charge has been formed by the Address Discharge forms a Sustain Discharge vis the following Sustain pulse 2 Sustain Discharge A Sustain Discharge is a Self Sustaining Discharge formed by the accumulation of the electric potential of the Sustain pulse gen erally 200 210 Volt alternating over the X and Y electrodes during the sustain period and the wall charge dependin...

Page 97: ...d Operation Power Supplied from the power board The optimal value may differ from the following a Vs 205V Sustain b Vset 195V Y Rising Ramp c Ve 100V Ve bias d Vscan 190V Scan low bias e Vnf 175V Y falling Ramp Created by the DC DC power block of the Y Drive board f Vsc_h 70V Scan high bias Created by the DC DC power block of the Y Drive board g Vdd 5V Logic signal buffer IC and IPM h Vcc 15V Gate...

Page 98: ... and 2 Ve bias in the Scan section is maintained 2 Y Drive Board This is connected to the Y port part of the panel It outputs 1 Sustain voltage wave form including ERC and 2 Y Rising Falling Ramp waveform and maintains 3 Vscan bias 3 Y Buffer Board Upper Lower This board supplies the Scan waveform to the Y port and consists of Upper and Lower boards For an HD grade unit 6 scan dri ver ICs TEXAS IN...

Page 99: ...FPC output electrodes sequentially one line at a time At this time Vscan is called the Scan Bias Voltage A Vscan voltage of approximately 175 Volt Vsc_1 is supplied to the electrode lines For the other lines 56 volt Vsc_h is higher than Vscan l by 120V is supplied However negative wall charges are accumulated on the Y electrode by the Ramp pulse and positive wall charges are accumulated on the add...

Page 100: ...ance 0 2 When no signal is output to the gate GND FET changes to an open circuit i e an insulator of resistance High Voltage Switching of the FET Operation 1 When no signal is applied to G1 FET1 is opened and when the signal is applied to G2 FET2 short circuits GND is output via the output terminal 2 When a signal is applied to G1 FET1 short cir cuits and when no signal is applied to G2 FET2 is op...

Page 101: ...cription 13 16 Samsung Electronics Drive Board Connector Layout 1 X Main 140mm 310mm CN4000 Panel CN4002 Panel CN4004 Power CN4003 Signal CN4001 Panel 1 VDD 2 VCC 3 GND 4 NC 5 Ve 6 NC 7 GND 8 GND 9 NC 10 Vs 11 Vs ...

Page 102: ... 17 2 Y Main CN5003 Power CN5004 Signal CN5001 CN5002 CN5503 Panel CN5502 Panel CN5501 Panel CN5403 Panel CN5402 Panel CN5401 Panel CN5504 185mm 310mm CN5404 CN5005 CN5006 1 Vs 2 Vs 3 NC 4 GND 5 NC 6 Vset 7 NC 8 GND 9 Vscan 10 GND 11 VCC 12 VDD ...

Page 103: ...e the connector of the Y Buffer from the Y Main board Check OUTL and OUTH and confirm that the forward voltage reduction is between 0 4V 0 5V UP CN5407 1 10pin OUTH 11 33pin OUTL LOW CN5507 50 41pin OUTH 40 17pin OUTL In addition the resistance between the points must be higher than a few kΩ OUTL OUTH Y B uffer L ow Y B uffer U P CN5404 OU T L 17 34 CN5504 OU T L 35 38 OU L H 1 4 OU T L 5 24 ...

Page 104: ...tion Samsung Electronics 13 19 2 Y Main Connect the Y Main and Y Buffer and confirm that the output from TP line4 line383 of the Y Buffer UP is the same as Attachment 1 when the power is supplied T P line4 T P line383 ...

Page 105: ...e Vsc_h and Vnf voltages are controlled by the DC DC power part of the Y Main board Voltage Adjustment Specifications V scl 190V V nf 175V 20V 30uSEC DC DC V nf T P V sc_h T P Last Sustain Vsc_h variable resistor Vnf variable resistor Rising Ramp variable resistor Falling Ramp variable resistor Y Main Power Main Reset Vset Vs Vsc_l Vsc_h Ve Va Vnf 195V 210V 190V 70V 100V 70V 175 ...

Page 106: ...tion Samsung Electronics 13 21 3 X Check that the output of X Out of the X board follows the waveform of Attachment 2 when the power is supplied CN4000 Panel CN4002 Panel CN4004 Power CN4003 Signal CN4001 Panel X OU T ...

Page 107: ...Circuit Description 13 22 Samsung Electronics Attachment 1 Y Output Waveform The Scan Waveform Must Be Observed Y Output Waveform 200us div 100V div 1us div 100V div Sustain Waveform ...

Page 108: ...Circuit Description Samsung Electronics 13 23 Attachment 2 X Output Waveform X Output Waveform 200us div 100V div 2us div 100V div Sustain Waveform ...

Page 109: ...r This uses the TAOS 4 pin TSL2550 and is currently being used in LCD TVs It also uses SMBUS which is the same type as I2C for communication The Ambient Light Sensor can detect up to 1846 Lux in normal mode The data of the sensor can be measured for Lux operations once every 800ms Control is implemented by using R_ASL_GAIN The number of sustain pulses moves left or right as shown in the figure on ...

Page 110: ...umber of sustain pulses according to the ASL Average Signal Level by R_P_Lower_Gain value In the PDP Logic R_Multi_APC is set to 0X01 Multi_APC operates and R_P_CM_Gain_SW is set to 0X01 so that the upper and lower limits of the APC Table can be shifted by adjusting the R_P_Lower_Gain value only Therefore the sustain pulse is controllable for the white pattern even though it was formerly not contr...

Page 111: ...13 26 Samsung Electronics MEMO ...

Page 112: ...V user receives HD rated broadcasts The digital distributed TV Ready Technique can render HD sources as HD rated However you need to install a set top box for this purpose The digital TV alone cannot render HD broadcasting as HD rated Install the formal set top box for HD broadcasts When a digital distributed TV user selects normal size 4 3 to receive SD rated digita broadcasts The digitally distr...

Page 113: ...er or game console through a wide TV by selecting the aspect ratio to normal 4 3 or wide 21 9 the left and right or top and bottom of the picture will not be displayed This symptom appears in other manufacturer s TV s The three appliance companies are trying to resolve the problem through the Ministry of Information and Communication Changing the Order of the Picture Size for 16 9 Display Devices ...

Page 114: ...ng is a television broadcasting signal digitized and transmitted according to the United States terrestrial digital broadcast standard or ATSC Mono A type of audio interface that transmits the audio signal through a single channel only Through a mono interface it is hard to experience stereophonic sound and the sound is played using only one speaker Reception Sensitivity Amplification LNA A signal...

Page 115: ...provide clearer and sharper visual quality Anynet Anynet is an AV network system that enables an easy to use AV interface for users by controlling all connected AV devices through the Anynet menu when the AV devices of Samsung Electronics are connected DVD Digital Versatile Disc DVD is a large capacity storage media that can store multime dia content such as video games audio applications etc usin...

Page 116: ...hree primary colors of light R G and B the number of possible colors for a pixel is 256 x 256 x 256 16 777 216 or 16 7 million colors If 12 bits are used for a pixel the gradation is 212 or 4096 for a color Since three colors R G and B are used 4096 x 4096 x 4096 or 68 7 billion colors are support ed per pixel Since 68 7 billion colors are far more than 16 7 million colors the picture will be disp...

Page 117: ...a of the signal broadcast from a broadcast station is smaller than that of possible color coordinates Moreover a TV provides a smaller color coordinate area than that of the signal from the broadcasting station even though the size of the color coordinate area varies depending on the TV model In general Color Reproductivity is used as follows The Color reproductivity of a TV is a certain of NTSC T...

Page 118: ... 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 Dec 2006 Printed in Korea AA82 04281A ...

Search results

Summary of Contents for PS42D51SX/XEC

Reviews:

Related manuals for PS42D51SX/XEC

Brands by name

Popular brands

Samsung PS42D51SX/XEC, Service Manual

Search results

Summary of Contents for PS42D51SX/XEC

Reviews:

Related manuals for PS42D51SX/XEC

Brands by name

Popular brands