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Samsung PL42B450B1XZD Service Manual

Plasma display tv.
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SERVICE
PLASMA DISPLAY TV
Refer to the service manual in the GSPN (see the rear cover) for the more information.
PLASMA DISPLAY TV
Chassis : F67A(N_HD)_B450
Model : PL42B450B1XZD
PL50B450B1XZD
Manual
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
PL42B450B1
PL50B450B1
CONTENTS

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Table of Contents

   Summary of Contents for Samsung PL42B450B1XZD

  • Page 1 PLASMA DISPLAY TV Chassis : F67A(N_HD)_B450 Model : PL42B450B1XZD PL50B450B1XZD SERVICE Manual PLASMA DISPLAY TV CONTENTS 1. Precaution 2. Product Specification 3. Disassembly & Reassembly 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram PL42B450B1 PL50B450B1 Refer to the service manual in the GSPN (see the rear cover) for the more information.
  • Page 2 Mideast & Africa mea.samsungportal.com © Samsung Electronics Co., Ltd. Apr. 2009 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable AA82-05826A International and/or domestic law.
  • Page 3: Table Of Contents

    ■ 5-1 PL42B450B1XZD Exploded View ........
  • Page 4: Chapter 1 Precaution

    When Check the AC power cord for possible damages. Keep voltage exceeds the specified limits, check each special the part or the lead away from any heat-emitting part. materials. Samsung Electronics...
  • Page 5 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. Samsung Electronics...
  • Page 6: Servicing Precautions

    AC source and turn the switch on. Connect the insu- lating resistance 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 ㏁. Samsung Electronics...
  • Page 7: Static Electricity Precautions

    These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Samsung Electronics...
  • Page 8: Installation Precautions

    5. Make sure to turn the power off and unplug the power cord from the outlet before repositioning 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. Samsung Electronics...
  • Page 9 MEMO Samsung Electronics...
  • Page 10: Chapter 2 Product Specification

    Product Specification 2. Product Specification 2-1 Product Specification Features Block Specification Major IC Remark Analog Tuner TCPN3081PA11S(H) PDP Module Samsung SDI U1P Module 42"HD/50"HD New Module Samsung/Dong-yang electro Power mechanics SMPS tri-norma Video HDMI SEMS03(LOLA3) Component, PC Sound SRS TruSuround HD...
  • Page 11 Product Specification ■ ■ 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. Samsung Electronics...
  • Page 12: Specifications Analysis

    ○ ○ ○ Anynet ○ ○ ○ ○ Antenna 1(Cable or Air) 1(Cable or Air) 1(Cable or Air) 1(Cable or Air) AV Input S-Video Component Connections PC(D-SUB) HDMI Optical Speaker/Stand Built-in Speaker Built-in Speaker Built-in Speaker Built-in Speaker Samsung Electronics...
  • Page 13: Accessories

    Item code Remark Remote Control BN59-00868A Batteries 4301-000103 Power Cord 3903-000195 Owner's Instructions BN68-01924A Warranty Card Registration Card Samsung Service center Safety Guide Manual Cloth-Clean BN63-01798B Ferrite Core for 3301-001305 Power Cord Cover-Bottom BN63-05300A Screws (2ea) 6003-001621 HDMI Cable BN39-00641A 9.843 feet...
  • Page 14 Product Specification Accessories Item Item code Remark PC Cable BN39-00115A 6.004 feet PC Audio Cable Electronics Store/ BN39-00061B 6.562 feet Internal shopping mall Antenna Cable BN39-00333A 9.843 feet Samsung Electronics...
  • Page 15 MEMO Samsung Electronics...
  • Page 16: Chapter 4 Troubleshooting

    - 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 Main Board, and between the Logic Boards. Samsung Electronics...
  • Page 17: Checkpoints By Error Mode

    Is the Fuse (F801S) of the SMPS ① Replace Fuse (F801S) Power Input Part blown? SMPS CN801 ② Pin 3 : STB 5V Replace the SMPS Pin 2 PS-ON : Check to see if it is 0V Replace the Main Board Samsung Electronics...
  • Page 18 Is the Fuse (F801S) of the SMPS ① Replace Fuse (F801S) Power Input Part blown? SMPS CN801 ② Pin 3 : STB 5V Replace the SMPS Pin 2 PS-ON : Check to see if it is 0V Replace the Main Board Samsung Electronics...
  • Page 19 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, wait some time after disconnecting the power cord from the unit. Samsung Electronics...
  • Page 20 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, wait some time after disconnecting the power cord from the unit. Samsung Electronics...
  • Page 21 When separating and connecting the cables such as CN810, CN809, CN807 of the Main SMPS, CN4701 of the Caution 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, wait some time after disconnecting the power cord from the unit. Samsung Electronics...
  • Page 22 When separating and connecting the cables such as CN810, CN809, CN807 of the Main SMPS, CN4701 of the Caution 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, wait some time after disconnecting the power cord from the unit. Samsung Electronics...
  • Page 23 Is the output voltage of SMPS normal? ② (CN801 #13) Replace the SMPS Is the speaker output terminal of the Main Board normal? Replace the Main Board ③ Replace the Speaker Samsung Electronics...
  • Page 24 Is the output voltage of SMPS normal? ② (CN801 #13) Replace the SMPS Is the speaker output terminal of the Main Board normal? Replace the Main Board ③ Replace the Speaker Samsung Electronics...
  • Page 25 - Check the CVBS cable connection. - Check the power input of the Main board. Troubleshooting Procedures Is the antenna connection setting properly configured? Configure properly ① Check CN1001 pin2 for +5V Replace the SMPS Replace the Main Board 4-10 Samsung Electronics...
  • Page 26 Some horizontal lines appear to be linked on screen Scan Buffer, FPC of X/Y Address Open Some vertical lines don't exist on screen Logic Main, Logic Buffer, TCP Address Short Some vertical lines appear to be linked on screen Logic Main, Logic Buffer, TCP Samsung Electronics 4-11...
  • Page 27 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. 4-12 Samsung Electronics...
  • Page 28 ② Abnormal Display(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 following pages show you how to find the defective board. Samsung Electronics 4-13...
  • Page 29 ▶ 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 to find the defective board. 4-14 Samsung Electronics...
  • Page 30 - Check the version of each program - Replace the Main board A blank upper (or lower) block Upper/Lower Y Buffer defect appears on the screen. - Replace the corresponding upper/lower buffers (E, F) Samsung Electronics 4-15...
  • Page 31 - Adjust the SMPS voltage according to the voltage printed on the module label Dim screen (blurred in red) X-Main board defect - Replace the X-Main board A blank screen appears - Replace the Y-Main board 4-16 Samsung Electronics...
  • Page 32 ASSY PDP MODULE P-ADDRESS F BUFFER Corresponding Buffer Board block screen is blank. ASSY PCB MISC-MAIN No Power, Abnormal screen for each input source, PIP screen trouble, Sound trouble ASSY BOARD P-FUNCTION The side function key does not work properly Samsung Electronics 4-17...
  • Page 33: Adjustment

    ① Write down the value of HDMI White Balance of Factory Mode before replacing Board. ② PDP Option of Factory Mode → set the Factory Data Type item as the suitable value of relevant model. ③ Set the value of HDMI White Balance with the value written down before. 4-18 Samsung Electronics...
  • Page 34 ※ If you have adjusted the settings in Service Mode, you have to reset the product. ※ If you exit Service Mode without reset, DNIe vlaue keeps Off regardless of setting up the user. Samsung Electronics 4-19...
  • Page 35 0 ~ 255 1st_COMP_Low 0 ~ 255 1st_COMP_High 0 ~ 255 1st_COMP_Delta 0 ~ 255 1st_PC_Low 0 ~ 255 1st_PC_High 0 ~ 255 1st_PC_Delta 0 ~ 255 2nd_Low 0 ~ 255 2nd_High 0 ~ 255 2nd_Delta 0 ~ 255 4-20 Samsung Electronics...
  • Page 36 0 ~ 255 Default data Factory Name Range AV / RF Component HDMI / DTV / HDMI-PC Sub Brightness R_Offset G_Offset B_Offset Sub Contrast R_Gain G_Gain B_Gain Movie R Offset Movie B Offset Movie R Gain Movie B Gain Samsung Electronics 4-21...
  • Page 37 Success Success / Failure EDID WRITE Success Success / Failure EDID WRITE Success Success / Failure EDID WRITE Success Success / Failure EDID WRITE Success Success / Failure EDID VERSION HDMI 1.3 HDMI 1.2 / HDMI 1.3 4-22 Samsung Electronics...
  • Page 38 On / Off Language China Info Live Watchdog On / Off LVDS Format VESA JEDIA / VESA OSD Resolution 1920*1080 Bus Stop OTA Code Panel Auto Setting OTA Duration Test Alternate Del Ignore VCT Version On / Off Samsung Electronics 4-23...
  • Page 39 On / Off Music Mode BLU On / Off Menu Display On / Off Power On Option Power on Power on/last option/standby Program Ch Original Ch/Src Auto PC Energy Saving Cloning: TV to USB Cloning: USB to TV 4-24 Samsung Electronics...
  • Page 40 4. Advanced Enter '0'key four times. Item Default data Range Pattern Select B-Slope Gain B-Tilt Min B-Tilt Max Lfunc-Basis Hfunc-Basis Mean-Offset1 Mean-Offset2 Mean Slope ACR Offset ACR Th1 ACR Th2 Skin Enable Skin Uv Mskin Uv Sub Color Msub Color Samsung Electronics 4-25...
  • Page 41 Movie Tint 0 ~ 50 Movie BkLight 0 ~ 10 M.Gamma Off / 0.85 / 0.88 / 0.90 / 0.93 / 0.95 / 0.98 / M1 / M2 / M3 / M4 M_Sub Gamma -3 ~ +3 4-26 Samsung Electronics...
  • Page 42 3 Min / 3 Hour Dynamic CE On / Off 1080p 48Hz On / Off PWM Max 1 ~ 100 Quick Start On / Off DTV LNA Auto Auto / On / Off HDCP Download Test Pattern Samsung Electronics 4-27...
  • Page 43 0 ~ 7 NTSC 358 0 ~ 3 NTSC 443 0 ~ 3 AV PAL 0 ~ 3 AV SECAM 0 ~ 7 AV NT358 0 ~ 3 AV NT443 0 ~ 3 AV PAL60 0 ~ 3 4-28 Samsung Electronics...
  • Page 44 Troubleshooting YC_Delay Samsung Electronics 4-29...
  • Page 45 Color Space Red Sat Red Hue 0~7F Green Sat Green Hue 0~7F Blue Sat Blue Hue 0~7F Cyan Sat Cyan Hue 0~7F Magenta Sat Magenta Hue 0~7F Yellow Sat Yellow Hue 0~7F FWC CB 0~30 FWC CR 0~30 4-30 Samsung Electronics...
  • Page 46 Default data Range RF dB1 Level 0 ~ 255 RF dB2 Level 0 ~ 255 RF dB3 Level 0 ~ 255 RF dB4 Level 0 ~ 255 5. Expert Item Default data Range N / D ADJ SOURCE Samsung Electronics 4-31...
  • Page 47 Perform in NTSC B&W Pattern #24 Lattice Component IN (Model_#6) Perform in 720p B&W Pattern #24 Lattice Perform in VESA XGA (1024x768) PC Analog IN (Model_#21) Lattice B&W Pattern #24 HDMI IN Perform in 720p B&W Pattern #24 Lattice <Table 1> 4-32 Samsung Electronics...
  • Page 48 6) In "HDMI Calibration Off" status, press the "▶" key to perform Calibration. 7) When Calibration is complete, it returns to the high-level menu. 8) You can see the change of the "HDMI Calibration" status from Failure to Success. Samsung Electronics 4-33...
  • Page 49 3. Pattern : Pattern #92 4. Use Equipment : MIK-7256 (MSPG925L) ( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD ) 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...
  • Page 50 10,500 (± 0) (Sub_CT:128) CVBS (NTSC) 10.5 cd/㎡ 11,000 (-3) (3.0 Ft) 10,500 (± 0) (Sub_CT:128) COMP (720P) 10.3 cd/㎡ 11,000 (-6) (3.0 Ft) 10,500 (± 0) (Sub_CT:128) HDMI (720P) 10.3 cd/㎡ 10,500 (± 0) (3.0 Ft) Samsung Electronics 4-35...
  • Page 51 ASSY PDP MODULE P-ADDRESS E BUFFER ASSY PDP MODULE P-ADDRESS F BUFFER ASSY BOARD P-SIDE HDMI A/V ※ When replacing the SMPS or PDP panel, you have to check the voltage printed on the panel sticker and adjust it. 4-36 Samsung Electronics...
  • Page 52 1. After replacing the SMPS or PDP panel, you must adjust 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 Vset SMPS Vscan -190 2. A point of adjusting SMPS-MAIN voltage. Samsung Electronics 4-37...
  • Page 53: Upgrade

    (start upgrading) after 2minute, automatically turn the power off and on. ⑨ On factory mode, check the s/w version. select "option" from the menu. ⑩ Select "pdp group" P45A_42SP or P45A_50SP. select "Factory Reset" and remove the usb memory stick 4-38 Samsung Electronics...
  • Page 54 MEMO Samsung Electronics 4-39...
  • Page 55: Chapter 5 Exploded View & Part List

    Exploded View & Part List 5. Exploded View & Part List 5-1 PL42B450B1XZD Exploded View Samsung Electronics...
  • Page 56 Remark FT532 2901-001548 FILTER-EMI AC LINE 250V,6A,UL, CSA, VDE, M0013 BN96-10205J ASSY COVER P-REAR PB450 42,PCM,BKN P824, M0014 BN94-02689A ASSY PCB MISC-MAIN PL42B450B1XZD,PB4B M0027 BN96-09927A ASSY STAND P-BASE 42/50(PB450) M0112 BN63-05331B COVER-FRONT 42PB450,ABS+PMMA,HB,ROSE BLA S.N.A M0146 BN96-10229A ASSY BRACKET P-FILTER SIDE PB450 42,SECC S.N.A...
  • Page 57: Pl50b450b1xzd Exploded View

    Exploded View & Part List 5-2 PL50B450B1XZD Exploded View Samsung Electronics...
  • Page 58 ASSY BRACKET P-SUPPORT STAND PB450 42,SE S.N.A T0003 BN96-10204B ASSY COVER P-FRONT PB450 50,ABS+PMMA,HB, T0044 BN96-09790A ASSY PDP MODULE P S50HW-YD11,PP50HB056A, T0289 BN63-05297A COVER-AV 42PB550,ABS HB,BLK(BK500) S.N.A T0456 BN67-00249A GLASS-FILTER EMI 50" P410,Without AR & B T0603 BN64-01013A WINDOW-RMC 42PB450,PC,VIOLET S.N.A Samsung Electronics...
  • Page 59: Pl42b450b1xzd Service Item

    Exploded View & Part List 5-3 PL42B450B1XZD Service Item ※ This is the list which is available to repair the real material at the time of service. Loc. No. Code No. Description Specification Q'ty Remark M0013 BN96-10205J ASSY COVER P-REAR...
  • Page 60: Pl50b450b1xzd Service Item

    ASSY PDP MODULE P S50HW-YD11,PP50HB056A, T0045 BN96-09736A ASSY PDP P-X-MAIN BOARD S50HW-YB04,PL50H T0045 BN96-09737A ASSY PDP P-X-MAIN BUFFER BOARD S50HW-YB0 T0262 BN96-09738A ASSY PDP P-Y-MAIN BOARD S50HW-YB04,PL50H T0764 BN44-00274A SMPS-PDP TV 50U1_SS,PSPF520501A,AC/DC,43 T0937 BN96-09740A ASSY PDP P-ADDRESS E-BUFFER BO S50HW-YB0 Samsung Electronics...
  • Page 61 MEMO Samsung Electronics...
  • Page 62: Chapter 6 Wiring Diagram

    CN807 CN5501 CN4001 CN4004 CN5409 CN2006 CN2001 CN2000 CN5412 CN5502 CN5701 CN2002 CN2003 LOGIC BOARD CN2004 CN2028 AC-INLET CN5503 E-BUFFER F-BUFFER CN2509 CN2500 CN2600 CN2609 CN2610 CN2510 CN902 FUNCTION CN101 MAIN BOARD CN202P CN201 CN401 POWER SW SPEAKER Samsung Electronics...
  • Page 63 CN201 CN401 POWER SW SPEAKER ※ The code number of cable(Lead-connector) can be changed, see "5. Exploded View & Part List." ① LVDS ⑧ POWER CABLE ⑪ AC INLET 42" - BN96-07158K Code BN39-00827A BN96-07190A 50" - BN96-07158F Photo Samsung Electronics...
  • Page 64 CN5407_50"(Y B'D) Pin No. Signal Pin No. Signal Pin No. Signal Pin No. Signal Pin No. Signal D5.3V R+_OUT D5.3V R-_OUT L+_OUT L-_OUT LED_STB BUZZER KEY_INPUT1 ⑪ CN800(SMPS) KEY_INPUT2 ↔ AC INLET Pin No. Signal AC Neutral AC Live Samsung Electronics...
  • Page 65 Power SW input connect on Main Board CN1203 CN1203 Speak out connect on Main Board CN101 CN101 Video signal input connect on Side AV ass'y Function input(source,ch up/down...) connect to Main board Power SW input connect to Main Board Samsung Electronics...

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