Samsung PS42B430P2WXXH Service Manual Download Page 33 | Manualshive

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Samsung PS42B430P2WXXH Service Manual Download Page 33

Troubleshooting

4-8

Samsung Electronics

2) Troubleshooting Procedure in Abnormal Conditions

①

No Display

▶

No Display is related with Y-MAIN, X-MAIN, Logic Main and so on.

This page shows you how to check the boards, and the following pages show you how to find the defective board.

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Summary of Contents for PS42B430P2WXXH

Page 1: ...n 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Part List 6 Wiring Diagram SERVICE Manual PS42B430P2W PLASMA DISPLAY TV Chassis F65A P_HD _B430 Model PS42B430P2WXXH Refer to the service m...

Page 2: ...tic law Samsung Electronics Co Ltd Apr 2009 Printed in Korea AA82 05791A Area Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe eu...

Page 3: ...n 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 Troubleshootin...

Page 4: ...is over 1 0V unplug the AC power cord and change the polarity before re inserting it Measure the voltage between the chassis and the ground again 7 Some TV chassis are shipped with an additional seco...

Page 5: ...ce meter 500v to the AC plug blade The insulating resistance 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 m...

Page 6: ...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 7: ...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 8: ...gh 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 r...

Page 9: ...NI PLT Remove 1 screws BH S M4 L10 ZPC BLK Separate FILTER EMI AC LINE from bracket 3 1 4 Separation of BRACKET PCB Part Name Description Description Photo Bracket PCB Remove screw BH B M4 L3 ZPC BLK...

Page 10: ...ve 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 3 1 8 Separation of SMPS PDP TV...

Page 11: ...g Electronics 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...

Page 12: ...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...

Page 13: ...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 3 1 11 Separation of ASSY PDP MODULE P Y MAIN BOARD Pa...

Page 14: ...ssembly Reassembly Samsung Electronics 3 7 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 Brac...

Page 15: ...3 8 Samsung Electronics MEMO...

Page 16: ...is over 1 0V unplug the AC power cord and change the polarity before re inserting it Measure the voltage between the chassis and the ground again 7 Some TV chassis are shipped with an additional seco...

Page 17: ...ce meter 500v to the AC plug blade The insulating resistance 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 m...

Page 18: ...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 19: ...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 20: ...ensions WxHxD 1055 0 x 667 4 x 73 mm without stand 1055 x 728 2 x 316 mm with stand Weight 24 3 kg without stand 28 kg with stand PC Resolution 1024 x 768 60Hz Power consumption 240W Frequency Hsync 5...

Page 21: ...Product Specification 2 2 Samsung Electronics New Features explanation Anynet Anynet is an AV network system that enables you to control all connected Samsung AV devices with your Samsung TV s remote...

Page 22: ...o Equalizer O O Auto Volume Control O O Surround Sound SRS TruSurround SRS TruSurround Speaker Output 10W 10W 10W 10W Speaker 2 2CH 2Way 2 2CH 2Way Features PIP X X Double Screen O O Caption X X Still...

Page 23: ...3 000145 Owner s Instructions BN68 02011B Warranty Card Registration Card Safety Guide Manual AA68 03242Q Cloth Clean BN63 01798B Ferrite Core for Power Cord 3301 001305 Cover Bottom Screws 2ea BN63 0...

Page 24: ...lectronics 2 5 Accessories Item Item code Remark Sold Separately Optical Cable None Electronics Store Internal shopping mall PC Cable 6 004 feet BN39 00115A PC Audio Cable 6 562 feet BN39 00061B Anten...

Page 25: ...2 6 Samsung Electronics MEMO...

Page 26: ...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 diagram 2 Check the power input to the Main Boar...

Page 27: ...roperly connected or the Main Board or SMPS is not functioning In this case check the following Check the internal cable connection status inside the unit Check the fuses of each part Check the output...

Page 28: ...defective assemblies by connecting the cables one by one Troubleshooting Procedures Caution When separating and connecting the cables such as CN810 CN809 CN808 CN807 of the Main SMPS CN4701 of the X M...

Page 29: ...cables such as CN810 CN809 CN807 of the Main SMPS CN4701 of the X Main Board and CN5707 of the Y Main Board a spark may be generated by the electric charge of the high capacity capacitor Therefore wai...

Page 30: ...the Main Board is not functioning Speaker defect Troubleshooting Procedures Is the cable connection between the Main Board and the speaker properly connected Connect the cable properly or replace the...

Page 31: ...s OK Major Checklist Check the antenna connection settings Air NTSC ATSC Cable NTSC Check the CVBS cable connection Check the power input of the Main board Troubleshooting Procedures Is the antenna co...

Page 32: ...Image not open or short is no screen Y MAIN X MAIN Logic Main Sustain Open Some horizontal lines don t exist on screen Scan Buffer FPC of X Y Sustain Short Some horizontal lines appear to be linked o...

Page 33: ...ics 2 Troubleshooting Procedure in Abnormal Conditions No Display No Display is related with Y MAIN X MAIN Logic Main and so on This page shows you how to check the boards and the following pages show...

Page 34: ...splay Abnormal Image is on Screen except abnormality in Sustain or Address Abnormal Display is related with Y MAIN X MAIN Logic Main and so on This page shows you how to check the boards and the follo...

Page 35: ...g Electronics Address Open Short Address Open and Short is related with Logic Main Logic Buffer FFC TCP film and so on This page shows you how to check the boards and the following pages show you how...

Page 36: ...upper lower 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 In...

Page 37: ...cture 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 on the module label Dim...

Page 38: ...PDP MODULE P LOGIC MAIN Blank screen Screen noise 5 ASSY PDP MODULE P Y MAIN SCAN BUFFER Row Bar screen is blank 42 Only 6 ASSY PDP MODULE P ADDRESS E BUFFER Corresponding Buffer Board block screen i...

Page 39: ...nt of Board If adjustment equipment is available PDP Option of Factory Mode set the Factory Data Type item as the suitable value of relevant model Adjust Calibration of Factory Mode for each mode Adju...

Page 40: ...anges to the EEPROM and return to the higher level mode Using the Numeric 0 9 keys you can select a channel Using the SOURCE key you can switch AV modes 6 Initial SERVICE MODE DISPLAY State The versio...

Page 41: ...SIEL TSE SUWON Medialink Type Local Set Others Russia Others PDP GROUP P45E_42SP P45E_50Sp P45N_42Sp P45N_50Sp P45A_42Sp P45A_50Sp P43E_42Sn P 43E_50Sn P43N_42Sn P43N_50Sn P43A_42Sn P43A_50Sn P45E_Sp...

Page 42: ...Off On HDMI EQ1 Middle High Strong Low HDMI EQ2 Middle High Strong Low HDMI EQ3 Middle High Strong Low HDMI EQ4 EER Count 24205 WM Calib OK Panel Enter Key Panel Display Time Ohr CHECKSUM 0x0000 WAIT...

Page 43: ...em Default data Range Hotle Mode Off On Power On Channel 1 0 99 Power On Source ATV Scart AV Comp PC HDMI1 HDMI2 HDMI3 DTV Power On Volume 10 0 100 Min Volume 0 0 100 Max Volume 100 0 100 Panel Butten...

Page 44: ...2 IdentOff 0X00 0x00 0x7F A2 Carr1AmpOnThr 0X00 0XFF A2 Carr1AmpOffThr 0X14 0xFF A2 Carr1SnOnThr 0x00 0xFF A2 Carr1SnOffThr 0x00 0XFF A2 Carr2AmpOnThr 0X00 0XFF A2 Carr2AmpOffThr 0x00 0XFF A2 Carr2Amp...

Page 45: ...T Off On MFT OFFSET Item Default data Range AV Calibration Wait Failure COMP Calibration PC Calibration HDMI Calibration 3 ADC Wb ADC ADC Target Item Default data Range 1st_AV_Low 18 0 255 1st_AV_High...

Page 46: ...et_Cr 127 1st_PC_R_Gain 96 1st_PC_G_Gain 95 1st_PC_B_Gain 95 1st_PC_R_Offset 144 1st_PC_G_Offset 139 1st_PC_B_Offset 139 2nd_R_Offset 108 0 255 2nd_G_Offset 108 0 255 2nd_B_Offset 108 0 255 2nd_R_Gain...

Page 47: ...ovie Standard Dynamic Color Tone Cool Normal Warm1 Warm2 Msub Brigh 128 0 255 MsubContr 128 0 255 W1_Rgain 138 0 255 W1_Bgain 109 0 255 W1_ROFFS 128 0 255 W1_BOFFS 128 0 255 W2_RGAIN 144 0 255 W2_BGAI...

Page 48: ...n LNA Plus RF dB1 Level 3 0 255 RF dB2 Level 6 0 255 RF dB3 Level 12 0 255 RF dB4 Level 31 0 255 Power Key Protect Off On Uart Select Auto Wall Debug MDC On1 On2 Debug Mode DeBug Off Debug Smart DeBug...

Page 49: ...18 0x00 0x3f H4 Gain 0x12 0x00 0x3f V1 Gain 0x0D 0x00 0x3f V2 Gain 0x0D 0x00 0x3f H overshoot 0x20 0x00 0FF V overshoot 0x20 0x00 0FF H undershoot 0x20 0x00 0FF V undershoot 0x20 0x00 0FF Coring TH2 0...

Page 50: ...GreenHue 0x70 0x00 0x7F Blue Sat 0x19 0x00 xX1E BlueHue 0x50 0x00 0x7F Cyan Sat 0x19 0x00 0x1E Cyan Hue 0x50 0x00 0x7F Magenta Sat 0x10 0x00 0x1E Magenta Hue 0x40 0x00 0x7F Yellow Sat 0x15 0x00 0x1E...

Page 51: ...24 Chess Pattern 4 Use Equipment CA210 Master MSPG925 Generator Use other equipment only after comparing the result with that of the Master equipment Chess Pattern Input mode Calibration Pattern CVBS...

Page 52: ...is complete it returns to the high level menu 8 You can see the change of the Comp Calibration status from Failure to Success Method of Color Calibration PC 1 Apply the VESA XGA Lattice N0 21 pattern...

Page 53: ...t to HDMI mode Enter the White Balance menu of service mode Contact CA 210 sensor to glass filter Adjust the low light Adjust Sub Bright LBE to set the Y value Adjust R Offset x and B Offset y to the...

Page 54: ...Items ASSY PCB MISC MAIN 1 Auto Program 2 White Balance Adjust SMPS PDP TV Vs Va voltage check and adjust ASSY PDP MODULE P LOGIC MAIN Not to be adjusted ASSY PDP MODULE P X MAIN ASSY PDP MODULE P Y...

Page 55: ...age Value Board Adjustment Vs 207 SMPS Va 54 Vset Ve 95 Vscan 190 Voltage Adjustment 1 After replacing the SMPS or PDP panel you must adjust the voltage referring to the voltage label printed on the p...

Page 56: ...Samsung Electronics 4 31 Y RR and Y FR controls Y FR Set the main reset rising 60usec falling 80usec by change the value of variable resistor 60usec 80usec Rising ramp variable resistor Falling ramp v...

Page 57: ...rade in Menu SETUP Select the SW Upgrade from the menu Select USB from the menu The banner OSD Scaning for USB is displayed The banner OSD Upgrade version to version is displayed Select Yes The banner...

Page 58: ...ocedures for checking in the User Menu Select the Setup menu in the Menu screen Place the cursor over the SW Upgrade of Setup and press the info key on the remote control The version of the program is...

Page 59: ...Exploded View Part List 5 Exploded View Part List 5 1 PS42B430P2WXXH Exploded View PLASMA DISPLAY T V PLASMA DISPLAY T V T0003 T0175 M0112 T0456 M0175 T0603 M0146 M0150 M0027 M0149 T0044 T0289 M0412...

Page 60: ...96 10615A ASSY BRACKET P FILTER TOP PB430 42 SAZCC 1 S N A M0150 BN96 10199D ASSY BRACKET P FILTER BOTTOM PB450 42 SE 1 S N A M0175 BN96 10706B ASSY BOARD P TOUCH FUNCTION IR PS42B430P 1 S N A M0412 B...

Page 61: ...T PB430 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...

Page 62: ...0 CN2610 CN2510 CN1 CN3 CN800 LOGIC BOARD SMPS X DRIVE Y DRIVE Y MAIN SCAN AC INLET F BUFFER FUNCTION POWER SW CN2609 CN2000 CN2001 CN2006 SPEAKER CN801 CN2002 CN202P CN201 CN401 MAIN BOARD 8 9 10 11...

Page 63: ...16 D5 3V 5 GND_15Vamp 17 GND_15V 6 GND_15Vamp 18 GND_15V 7 15Vamp 19 D15V 8 15Vamp 20 GND_15V 9 GND_5 3V 21 D15V 10 GND_5 3V 22 D15V 11 GND_5 3V 23 AC_DET 12 GND_5 3V 24 NC Vt 6 1 1 Pin Connection CN...

Page 64: ...connect from AC inlet CN4002 Horizontal X scan line of Module and X scan Connect first Block CN4001 Horizontal X scan line of Module and X scan Connect second Block Horizontal X scan line of Module a...

Page 65: ...6 4 Samsung Electronics MEMO...

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