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Samsung PN50C450B1DXZC, Service Manual

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3-4

Samsung Electronics

Disassembly & Reassembly

Description

Description Photo

15. Detach all connectors from the Logic

Main Board.

16. Remove 2 screws.

: PH,+,WSP,M3,L8,NI PLT,SWRCH18A
* L : Screw Length(mm)

17. Remove the Logic Main Board.

<42" PDP>

6001-001921

<50" PDP>

6001-001921

18. 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.

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Summary of Contents for PN50C450B1DXZC

Page 1: ...the GSPN see the rear cover for the more information CONTENTS 1 Precaution 2 Product Specification 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Part List 6 Wiring Diagram Plasma TV Chass...

Page 2: ...tic law GSPN Global Service Partner Network Area Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China...

Page 3: ...cation 2 1 Product Feature 2 1 2 2 Specifications Analysis 2 9 2 3 Detail Factory Option 2 11 2 4 Accessories 2 12 3 Disassembly Reassembly 3 1 Overall Disassembly Reassembly 3 1 4 Troubleshooting 4 1...

Page 4: ...ns UL1410 59 7 4 A high voltage is maintained within the specified limits using safety parts calibration and tolerances When voltage exceeds the specified limits check each special part 5 Warning for...

Page 5: ...e high voltage power Carefully check if the wiring is too tight incorrectly placed or loose Never change the space between the part and the printed circuit board Check the AC power cord for possible d...

Page 6: ...ings 5 Check for insulation between the blade of the AC plug and that of any conductive materials i e the metal panel input terminal earphone jack etc 6 Insulation Check Process Unplug the power cord...

Page 7: ...he ESD 5 Use only grounded tip irons 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 with...

Page 8: ...sitioning 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...

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

Page 10: ...ation Major IC RF Digital Analog DTV Built In NTSC HALF NIM TUNER Saturn4 PDP Module Samsung SDI 42 HD U2P Samsung SDI 50 HD U2P 42 HD 50 HD Power SAMSUNG ELECTRO MECHANICS SMPS mechanics SMPS Video N...

Page 11: ...Resolution 1024 x 768 1360 x 768 Voltage AC 100 240V 60Hz 550W PC Resolution 1920 H x 1080 V Screen Size 42 inches 16 9 50 inches 16 9 ANTENNA Input ANT AIR CABLE IN 75 unbalanced VIDEO Input AV COMP...

Page 12: ...8 1360 x 768 Voltage AC 100 240V 60Hz 550W PC Resolution 1920 H x 1080 V Screen Size 42 inches 16 9 50 inches 16 9 ANTENNA Input ANT AIR CABLE IN 75 unbalanced VIDEO Input AV COMPONENT1 480i 480p 720p...

Page 13: ...sic Setup then press the ENTERE button It might not work properly with unlicensed multimedia files Need to Know List before using Media Play USB Only alphanumeric characters must be used as a folder n...

Page 14: ...files on the device is corrupted or a file in the list is not played connect the USB device to the PC format the device and check the connection If a file deleted from the PC is still found when Media...

Page 15: ...UTE button on the remote control O Repeat Music On Off Select to repeatedly play MP3 files in the current folder Playing Music Only displays files with the MP3 file extension Other file extensions are...

Page 16: ...when all MP3 files in the current folder have been played O Screen Saver Select to set the waiting time before the screen saver appears The screensaver will appear when no button is pressed for 10 mi...

Page 17: ...DIGITAL AUDIO OUT OPTICAL jack on your TV and the Digital Audio Input on the Home Theater When following the connection above the Optical jack only outputs 2 CH channel audio You will only hear sound...

Page 18: ...icture ratio 16 9 16 9 16 9 Picture Brightness 1 500Cd m2 1 500Cd m2 1 500Cd m2 Contrast Ratio 10000 1 10000 1 10000 1 Picture Enhacer DNIe DNIe X Audio Equalizer 5 Band 5 Band 5 Band Auto Volume Cont...

Page 19: ...t 1 Input 2 Input S Video X X Component Y PB PR 2 Input 2 Input 2 Input PC D SUB X X 1 Input DVI X X X HDMI 3 Input 3 Input 3 Input Sub Woofer X X X Optical 1 1 1 etc USB 1 Input USB 1 Input USB 1 Inp...

Page 20: ...Name PN42C430A1D PN42C450B1D PN50C430A1D PN50C450B1D Panel Vendor SDI SDI CODE BN96 12647A BN96 12706A SPEC S42AX YB09 S50HW YB05 SMPS BN44 00329B BN44 00330A 0 Factory Reset 1 Type 42HHcD3 50HHcD4 50...

Page 21: ...ssories Accessories Item Item code Remark Remote Control Batteries BN59 00997A 4301 000103 Samsung Service Center Power Cord 3903 000552 Owner s Instructions BN68 02577B Cloth Clean BN63 01798B Ferrit...

Page 22: ...ation 2 4 2 Sold Separately Accessories Item Item code Remark HDMI Cable BN39 00641A Samsung Service Center HDMI DVI cable BN39 00643A Component Cables RCA BN39 00279A PC Cable BN39 00115A PC Audio Ca...

Page 23: ...2 14 Samsung Electronics MEMO...

Page 24: ...nnected 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 th...

Page 25: ...cs Disassembly Reassembly Description Description Photo 6 Remove 5 screws BH B M4 L12 ZPC BLK SWRCH18 L Screw Length mm 7 Remove the BRACKET SUPPORT STAND 6003 001003 8 Remove P SPEAKER No screw for h...

Page 26: ...PDP 6003 000337 50 PDP 6003 000337 11 Detach all connectors from the SMPS 12 Remove 5 screws PH WSP M3 L8 NI PLT SWRCH18A L Screw Length mm 13 Remove 1 screw BH S M4 L8 ZPC WHT SWRCH18A L Screw Lengt...

Page 27: ...from the Logic Main Board 16 Remove 2 screws PH WSP M3 L8 NI PLT SWRCH18A L Screw Length mm 17 Remove the Logic Main Board 42 PDP 6001 001921 50 PDP 6001 001921 18 Detach all Connectors from the X Mai...

Page 28: ...onics 3 5 Disassembly Reassembly Description Description Photo 19 Remove 5 screws PH WSP M3 L8 NI PLT SWRCH18A L Screw Length mm 20 Remove the X Main Board with X Buffer Board 42 PDP 6001 001921 50 PD...

Page 29: ...3 6 Samsung Electronics Disassembly Reassembly Description Description Photo 21 Detach the 6 scan board connectors from the panel by pulling the holder from both the top and bottom ends...

Page 30: ...3 7 Disassembly Reassembly Description Description Photo 22 Remove 2 screws 42 PDP Remove 3 screws 50 PDP PH WSP M3 L8 NI PLT SWRCH18A L Screw Length mm 23 Remove the Y Buffer Board 42 PDP 6001 001921...

Page 31: ...mbly Description Description Photo 24 Detach all connectors from the Y Main Board 25 Remove 5 screws 42 PDP Remove 7 screws 50 PDP PH WSP M3 L8 NI PLT SWRCH18A L Screw Length mm 26 Remove the Y Main B...

Page 32: ...PH WSP M3 L8 NI PLT SWRCH18A L Screw Length mm 28 Remove the Buffer Board Shield 42 PDP 6001 001921 50 PDP 6001 001921 29 Remove 4 screws BH B M4 L12 ZPC BLK SWRCH18 L Screw Length mm 30 Remove Holder...

Page 33: ...3 10 Samsung Electronics Disassembly Reassembly Description Description Photo 31 Detach the all connectors from the Function Board 32 Remove the Function Board...

Page 34: ...g Electronics Exploded View Part List This Document can not be used without Samsung s authorization 5 Exploded View Part List 5 1 Exploded View T0003 T0175 M0112 T0056 M0125 M0523 M0027 M0013 M0125 M0...

Page 35: ...PC430 PC450 42 50 PMMA 1 SA M0112 BN63 06525A COVER FRONT PC450 50 PMMA ABS ROSE BLACK 1 SNA M0125 BN96 13389C ASSY BOARD P TOUCH FUNCTION IR PN50C450 1 SA M0125 BN61 06064A HOLDER WALL 42PC450 ABS H...

Page 36: ...1 T0531 BN63 06456A COVER BOTTOM 42PC450 HIPS V0 V1 BLK BK00 1 M2893 BN39 01285C LEAD CONNECTOR PS42B450B1 FLAT CONNECTOR 1 T0764 BN44 00330A SMPS PDP TV PZ 5 AC DC AC100 240V 50 60H 1 M0251 BN96 124...

Page 37: ...ons first Check to see if there is a burnt or damaged cable Check to see if there is a disconnected or loose cable connection Check to see if the cables are connected according to the connection diagr...

Page 38: ...erly connected or the Main Board or SMPS is not functioning In this case check the following Check the internal cable connection Check the fuses Check the output voltages of the SMPS Replace the Main...

Page 39: ...Samsung Electronics 4 3 Troubleshooting 42 PDP 50 PDP Fig 4 1 2 1 1 2...

Page 40: ...is not observed when operating the SMPS alone find any defective assemblies by connecting the cables one by one Caution When separating and connecting the cables such as SMPS and X Main Board Y Main B...

Page 41: ...Samsung Electronics 4 5 Troubleshooting 42 PDP 50 PDP Fig 4 2 1 2 1 2...

Page 42: ...nnected Caution When separating and connecting the cables such as SMPS and X Main Board Y Main Board a spark may be generated by the electric charge of the high capacity capacitor Therefore wait some...

Page 43: ...upplying voltage to the main board No No Sound Connect the cable properly or replace the cable if necessary Yes Replace the SMPS No Is the speaker output terminal of the Main Board normal Replace the...

Page 44: ...4 8 Samsung Electronics Troubleshooting 42 PDP 50 PDP Fig 4 3 2 2 2 2 1 1...

Page 45: ...corresponding buffers E F COF defect burnt Replace the module A green screen appears when the TV is turned on The Scale is not reseting Replace the Main board The OSD box appears but there is no text...

Page 46: ...ither the main or sub picture does not appear Replace the Main board A vertical green line appears on the screen The SMPS voltage is incorrect Adjust the SMPS voltage according to the voltage printed...

Page 47: ...N BOARD Blank screen Screen noise ASSY PDP P X MAIN BUFFER BOARD Upper screen is blank ASSY PDP P Y MAIN BUFFER BOARD Lower screen is blank ASSY PDP P E BUFFER BOARD Corresponding Buffer Board block s...

Page 48: ...t If adjustment equipment is available 1 PDP Option of Factory Mode set the Factory Data Type item as the suitable value of relevant model 2 Adjust Calibration of Factory Mode for each mode 3 Adjust W...

Page 49: ...eric 0 9 keys you can select a channel Using the SOURCE key you can switch AV modes 3 Initial SERVICE MODE DISPLAY State The version of the firmware displayed at the bottom of the screen may differ an...

Page 50: ...Range ADC AV Calibration Success Success Failure Comp Calibration Success Success Failure PC Calibration Success Success Failure HDMI Calibration Success Success Failure 3 ADC Target Menu Item Data R...

Page 51: ...67 100 32 0 255 1st_Comp_Offset_Cb 136 134 136 192 0 255 1st_Comp_Offset_Cr 136 134 136 192 0 255 1st_PC_R_Gain 136 134 136 192 0 255 1st_PC_G_Gain 107 67 100 32 0 255 1st_PC_B_Gain 136 134 136 192 0...

Page 52: ...512 Movie R Offset 128 128 128 128 Movie B Offset 512 512 512 512 Movie R Gain 512 512 512 512 Movie B Gain 512 512 512 512 6 EDID Menu Item Data Range Control EDID On Off Off On Off EDID Write ALL Su...

Page 53: ...HDMI EQ1 Middle Low Middle High Strong HDMI EQ2 Middle Low Middle High Strong HDMI EQ3 Middle Low Middle High Strong HDMI EQ4 Middle Low Middle High Strong EER Count WM Calib Panel Enter Key Panel Dis...

Page 54: ...Panel Auto Setting OTA Duration Test Alternate Del Ignore VCT Version Off On Off 8 PDP Option Menu Item Data Range Control PIXEL SHIFT TEST Off On Off LOGIC CONNECT Off On Off PATTERN SELECT 0 PANEL...

Page 55: ...ock Off On Off Power Pic Menu Lock Off On Off Music Mode AV Off On Off Music Mode PC Off On Off Music Mode Comp Off On Off Music mode backlight Off On Off Menu Display Off On Off Hotel Logo Download P...

Page 56: ...Count 35 0 60 SAP Count 20 0 60 Mono Weight 1 1 20 Stereo Weight 1 1 20 Dual Weight 1 1 20 BTSC M2S Threshold 128 0 255 BTSC S2M Threshold 112 0 255 SAP Threshold High 132 0 255 SAP ThresHold Low 101...

Page 57: ...peaker EQ 12 ADJUST With the advanced menu highlighted press the 0 key four times or hold the volume button for 5 seconds Item Data Range PDP FRC Visual Test Disable Standby Mode Time 45 Min Delete al...

Page 58: ...NTSC M Mode 3 3 Pattern Pattern 24 Chess Pattern 4 Use Equipment K 7256 or Equipment of equality level 5 Work order 1 Enter by Factory Mode select 2 ADC 2 Select CALIBRATION 3 Select AV CALIBRATION ag...

Page 59: ...60Hz 3 Pattern Pattern 92 4 Use Equipment MIK 7256 MSPG925L 5 Work order 1 Connect HDMI DVI output terminal of MIK 7256 MSPG925L to the HDMI input in main set 2 Set the input to HDMI mode 3 Enter the...

Page 60: ...H L 278 285 Don t Control Sub_CT 133 10 500 0 L L 278 285 7 3 cd m 2 2 Ft 10 500 0 COMP 720P H L 278 285 Don t Control Sub_CT 133 10 500 0 L L 278 285 7 3 cd m 2 2 Ft 10 500 0 HDMI 720P H L 278 285 D...

Page 61: ...djust SMPS PDP TV Vs Va voltage check and adjust ASSY PDP P X MAIN BOARD Not to be adjusted ASSY PDP P Y MAIN BOARD ASSY PDP P LOGIC MAIN BOARD ASSY PDP P X MAIN BUFFER BOARD ASSY PDP P Y MAIN BUFFER...

Page 62: ...t the voltage referring to the voltage label printed on the panel If you do not adjust the voltage an abnormal discharge symptom may appear Value Board Adjustment U2P Vs 211 SMPS Va 54 Vset Ve 98 Vsc...

Page 63: ...Samsung Electronics 4 27 Troubleshooting Y RR and Y FR controls TP Point Y RR and Y FR Y FR Y RR...

Page 64: ...the scale of scope to 50V 10us division 3 Adjust waveform just like the following C rising edge D 3 Falling slope 1 Extend 1st Sub Field of Main_Reset Falling Part 2 Adjust the scale of scope to 50V...

Page 65: ...ocedures for checking in the User Menu 1 Select the Setup menu in the Menu screen 2 Place the cursor over the Software Upgrade of Setup and press the Info key on the remote control 3 The version of th...

Page 66: ...in Menu SETUP 4 Select the Software Upgrade from the menu 5 Select USB from the menu 6 The banner OSD Scaning for USB is displayed 7 The banner OSD Upgrade version to version is displayed Select Yes...

Page 67: ...nics 4 31 Troubleshooting 4 3 3 Logic SW Download USB 1 After inserting USB start Factory mode by using mute 182 power And follow the process order as below Shortcut to the Factory mode LOGIC USB D L...

Page 68: ...5501 CN5502 CN5006 CN804 CN802 CN2507 CN 2 505 CN2508 CN101 CN2022 CN2002 CN2004 CN2021 CN2010 CN4001 CN4000 CN4002 CN4402 CN801 CN2011 CN2600 CN2609 CN1 CN710 SMPS Y DRIVE Y MAIN SCAN X DRIVE Y DRIVE...

Page 69: ...VE Y DRIVE E BUFFER F BUFFER FUNCTION MAIN BOARD CN580 2 CN5803 CN5804 CN5805 CN560 2 CN500 1 CN5801 CN5601 CN80 4 CN801 CN802 CN 2 00 2 C N2006 CN2010 CN2011 C N2005 SPEAKER CN4701 CN4001 CN4100 CN41...

Page 70: ...er of cable Lead connector can be changed see 5 Exploded View Part List 42 Cable Lead connector Use 1 POWER 12P 4 LVDS FFC 30P Code BN39 01285D BN96 12469E Photo 50 Cable Lead connector Use 1 POWER 12...

Page 71: ...Signal 1 PS_ON 2 STBY 3 GND_15Vamp 4 15Vamp 5 GND_5 3V 6 GND_5 3V 7 5 3V 8 5 3V 9 GND_15V 10 15V 11 15V 12 5 3V 2 CN802 SMPS CN2002 Logic Board Pin No Signal 1 D5 3V 2 D5 3V 3 GND 4 GND 5 PS_ON 6 VS_O...

Page 72: ...D 19 RO 2 5 UART Rx 20 RO 2 6 GND 21 GND 7 UART Tx 22 RO 1 8 GND 23 RO 1 9 3D_SYNC 24 GND 10 GND 25 RO 0 11 PDP_GO 26 RO 0 12 GND 27 RO 4 13 RO 3 28 RO 4 14 RO 3 29 GND 15 GND 30 GND 5 CN1 MAIN Board...

Page 73: ...er input connect 12 Pin for Main Board CN802 Power input connect 6 Pin for Logic Board CN804 Vs 202V Vg 15V Power input connect 6 Pin of SMPS for Y Drive CN101 Power input connect 12 Pin from SMPS CN1...

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