Samsung PS42S5HX/XEH Service Manual
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Samsung PS42S5HX/XEH Service Manual

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SERVICE
PLASMA DISPLAY TV
PLASMA DISPLAY TV
Chassis : D72A(P) Puccini_42S5
Model
: PS42S5HX/XEE
PS42S5HX/XEU
PS42S5HX/XEH
Manual
■
■
■ 2 Way 4 Speakers
■
■
■ Slim line design
■
■
■ 12 Bit image processing
PS-42S5H
FEATURES
DTV Ready PDP TV
1 HDMI input
Energy Saving
(687 billion color)

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Summary of Contents for Samsung PS42S5HX/XEH

  • Page 1 PLASMA DISPLAY TV Chassis : D72A(P) Puccini_42S5 Model : PS42S5HX/XEE PS42S5HX/XEU PS42S5HX/XEH SERVICE Manual PLASMA DISPLAY TV FEATURES DTV Ready PDP TV ■ ■ ■ 2 Way 4 Speakers 1 HDMI input ■ ■ ■ Slim line design Energy Saving ■...

  • Page 2: Table Of Contents

    ............4-2 ■ 4-3 PS42S5HX/XEH .
  • Page 3 Chapter 8 Wiring Diagram ■ 8-1 Overall Wiring ............. . . 8-1 ■...

  • Page 4: Chapter 1 Precaution

    When space between the part and the printed circuit board. voltage exceeds the specified limits, check each special Check the AC power cord for possible damages. Keep part. the part or the lead away from any heat-emitting materials. Samsung Electronics...
  • Page 5 11. Pay additional attention to the current leakage as the voltage between the power board and the ballast is 220 to 440v, i.e. very high. And also beware of possible electric shock from the primary power source. Samsung Electronics...

  • Page 6: Servicing Precautions

    1 ㏁. within the standard. 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

    Also speakers may cause the speakers to detach, possibly check the antenna cable or the external connectors if causing damage or injury. they are fully unplugged. Damage to the cord may cause fire or electric shock. Samsung Electronics...

  • Page 9: Chapter 2 Product Specification

    - DNIe-Lite : Image Enhancer - Sii9993 : HDMI signal receiver - MSP4410G : SIF, Analog Audio Decoder - NSP6241A : Sound Output Control - TAS5122 : Sound Amp - M30620 : Main Micom - 3F8668 : Sub Micom Samsung Electronics...

  • Page 10: Key Features

    - Output resolution : 852*480 - OSD : Smart user Interface Grade1 - Picture Enhancement : DNIe-L - Still picture, Noise reduction - Comb Filter : 3D comb filter - PIP : D/W, Large - Panorama : Wide Samsung Electronics...
  • Page 11 ■ Remocon - TM76 ■ Power Supply - 100V ~ 240V ■ Power - Standy-by : 3W less - Max Power : 380W ■ HDMI - 640x480p @59.94/60Hz - 720x576p@59.94/60Hz - 720x480p @59.94/60Hz - 1280x720p @59.94/60Hz/50Hz - 1920x1080i @59.94/60Hz/50Hz Samsung Electronics...
  • Page 12 VESA GTF 75.029 60.023 VESA DMT ▶ The interlace mode is not supported. ▶ The television might operate abnormally if a non-standard video format is selected. ▶ 480i/p, 576i/p, 720p, or 1080i is not available in pc mode. Samsung Electronics...

  • Page 13: Specifications Analysis

    Anynet D-Net(IEEE1394 S.400) Gemstar (TV Guide On Screen) Screen Burn Protection Antenna 1Input 1Input 1Input CVBS S-Video 1Input 2Input 1Input Component(Y/PB/PR) 1Input 1Input 1Input PC(D-SUB) 1Input(15Pin D-Sub) 1Input(15Pin D-Sub) 1Input(15Pin D-Sub) Connections HDMI 1Input Sub Woofer Optical Coaxial Samsung Electronics...

  • Page 14: Accessories

    Product Specification 2-4 Accessories Accessories Item Item code Remark User Manual BN68-00827B Remote Control BN59-00468A Samsung Service center AAA Batteries 4301-000103 Power Cord 3903-000145 S-VIDEO Cable HDMI Cable HDMI/DVI cable Component Cables (RCA) Internal shopping mall PC Cable PC Audio Cable...

  • Page 15: Chapter 3 Alignment & Adjustment

    5. DC-DC SMPS Board replace : Output voltage check and adjust 6. Logic Board replace : Not adjustment 7 : Y-Main Board replace : Not adjustment 8 : X-Main Board replace : Not adjustment 9 : Buffer Board replace : Not adjustment Samsung Electronics...

  • Page 16: How To Access Service Mode

    Full Menu Display / Move to Parent Menu Item Selection by Moving the Cursor Direction keys ▲ / ▼ Data Increase/Decrease for the Selected Item Direction keys ◀ / ▶ Source Cycles through the active input source that are connected to the unit Samsung Electronics...

  • Page 17: Factory Data

    14 TTX List Flop Flop/List 15 TTX TOP ON/OFF 16 TTX Group Auto Language TTX language 17 TTX Level Level 1.5 LEVEL 1.5 / 2.5 18 Shift Test ON/OFF 19 Sound Delay1 ON/OFF 20 Sound Delay2 ON/OFF 21 Debug ON/OFF Samsung Electronics...
  • Page 18 0 ~ 255 Praking f0 0 ~ 255 ③NR Item Range Initial Value Remark Y-NR-Off 0 ~ 255 C-NR-Off 0 ~ 255 Y-NR-ON 0 ~ 255 C-NR-ON 0 ~ 255 ④Deinterlace Item Range Initial Value Remark Motion 0 ~ 255 Samsung Electronics...
  • Page 19 00 ~ 255 NT-M-Prescale 00 ~ 255 SECAM-L-Prescale 00 ~ 255 AV-Prescale 00 ~ 255 I2S_1 Prescale 00 ~ 255 I2S_2 Prescale 00 ~ 255 Carrier Mute 00 ~ 255 Pilot High 00 ~ 255 Pilot Low 00 ~ 255 Samsung Electronics...
  • Page 20 13 Movie Contrast 0 ~ 100 14 Movie Brightness 0 ~ 100 15 Movie Color 0 ~ 100 16 Movie Sharpness 0 ~ 100 17 RF_dB_1 0 ~ 255 18 RF_dB_2 0 ~ 255 19 RF_dB_3 0 ~ 255 Samsung Electronics...
  • Page 21 12. Reset 13. Spread Spectrum 14. Logic Item Range Initial Value Int/Ext Sel Pat Sel FCRL CON Image Sticking Error Mode Check Error Code Table Vs Reference Vs Average Vs to D/A Va Reference Va Average Va to D/A Samsung Electronics...

  • Page 22: Service Adjustment

    ② Enter Factory mode, move to "White Balance" and click Select. ③ Set the coordinates of H/L and L/L by adjusting "Sub Contrast", "Sub Bright", "R Drive", "G Drive", "B Drive", "R Cutoff" , "G Cutoff" , and "B Cutoff". Samsung Electronics...
  • Page 23 Alignment & Adjustment H/L Point L/L Point Samsung Electronics...

  • Page 24: Software 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. 3-10 Samsung Electronics...
  • Page 25 Alignment & Adjustment 3. When the Flash Downloader is launched, click the Open button. 4. Select a file to be downloaded from the computer. Samsung Electronics 3-11...
  • Page 26 Alignment & Adjustment 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. 3-12 Samsung Electronics...
  • Page 27 Alignment & Adjustment 7. After the download is finished, the Flash Download Completed popup window opens. That indicates S/W upgrade is completed. Samsung Electronics 3-13...

  • Page 28: Replacements & Calibration

    ※ When the SMPS is replaced, the Va, Vs voltages must be checked and adjusted to the proper levels indicated on the panel sticker. Vscan adjustment Vset adjustment Voltage Label adjustment VR514 Va VR432 Vs adjustment adjustment 3-14 Samsung Electronics...

  • Page 29: Chapter 4 Exploded View & Part List

    ASSY PCB MISC-MAIN PS42S5HX/XEC,D72A,EU, T0175 AA96-02814A ASSY SPEAKER P 8ohm,S5,42,15W T0268 3903-000145 CBF-POWER CORD DT,EU,FP3/YES,U(IEC C13-R T0275 BN96-02369A ASSY MISC P-INLET HP-R4252,STRAUSS,DOCUM T0456 BN67-00144A GLASS-FILTER EMI 42P5,Mesh,48%,1053*639, T0555 BN96-01392D ASSY MISC P-BRKT TERMINAL 42S5,XEC,SECC S.N.A T0603 BN64-00338A WINDOW-RMC 42P5,ACRYL,5% S.N.A Samsung Electronics...

  • Page 30: Ps42S5Hx/Xeu

    PS42S5HX/XEC,D72A,EU, T0175 AA96-02814A ASSY SPEAKER P 8ohm,S5,42,15W T0268 3903-000193 CBF-POWER CORD DT,GB,GP3/YES,U(IEC C13-R S.N.A T0275 BN96-02369A ASSY MISC P-INLET HP-R4252,STRAUSS,DOCUM T0456 BN67-00144A GLASS-FILTER EMI 42P5,Mesh,48%,1053*639, T0555 BN96-01392D ASSY MISC P-BRKT TERMINAL 42S5,XEC,SECC S.N.A T0603 BN64-00338A WINDOW-RMC 42P5,ACRYL,5% S.N.A Samsung Electronics...

  • Page 31: Ps42S5Hx/Xeh

    Exploded View & Part List 4-3 PS42S5HX/XEH You can search for the updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr Loc.No. Code No. Description Specification Q'ty SA/SNA Remark CIS7 AA61-60003B SPRING ETC-CS -,SUS304,-,-,OD11.2,N7,OD1 S.N.A M0006 BN63-01634C COVER-REAR SUB 42S5,SECC,T1.0 S.N.A...

  • Page 32: Ps42S5Hx/Xee

    BN96-02036A ASSY PDP P-LOGIC E BUFF BOARD M1,SPD-42P T0940 BN96-02037A ASSY PDP P-LOGIC F BUFF BOARD M1,SPD-42P M0145 BN96-02049C ASSY BOARD P-FUNCTION SP-R4232,CT5000-36 S.N.A M0146 BN96-02050B ASSY BOARD P-POWER & IR SCHUBERT,CT5000- S.N.A M0018 BN97-00549A ASSY MICOM PS42S5H,D72A,49BV802A,T-PCN42 Samsung Electronics...

  • Page 33: Ps42S5Hx/Xeu

    BN96-02036A ASSY PDP P-LOGIC E BUFF BOARD M1,SPD-42P T0940 BN96-02037A ASSY PDP P-LOGIC F BUFF BOARD M1,SPD-42P M0145 BN96-02049C ASSY BOARD P-FUNCTION SP-R4232,CT5000-36 S.N.A M0146 BN96-02050B ASSY BOARD P-POWER & IR SCHUBERT,CT5000- S.N.A M0018 BN97-00549A ASSY MICOM PS42S5H,D72A,49BV802A,T-PCN42 Samsung Electronics...

  • Page 34: Ps42S5Hx/Xeh

    Electrical Part List 5-3 PS42S5HX/XEH Service Item You can search for the updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr Loc.No. Code No. Description Specification Q'ty SA/SNA CIS3 BN40-00042A TUNER TMQZ6-405A,PAL-CW,PAL Hyper,38.9MH T0074 BN59-00468A REMOCON PS42S5S,TM76A,59*22*209,ZILOG MB T0079 BN94-00683B ASSY PCB MISC-MAIN...

  • Page 35: Chapter 6 Troubleshooting

    - Check to see if the cables are connected according to the connection diagram. 2. Check the power input to the Video Board. 3. Check the voltage in and out between the SMPS ↔ Video Board, between the SMPS ↔ X, Y Drive Board, and between the Logic Boards. Samsung Electronics...

  • Page 36: Checkpoints By Error Mode

    Is the Fuse (F101) of the Main SMPS Replace Fuse (F101) Power Input Part blown? Main SMPS CN804-2 Pin 3: STB 5V Replace the Main SMPS Pin 5 PS-ON: Check to see if it is 0V Replace the Main Board Replace the Digital Board Samsung Electronics...
  • Page 37 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 separating the power cord from the unit. Samsung Electronics...
  • Page 38 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. Samsung Electronics...
  • Page 39 Troubleshooting Procedures Is the speaker output terminal Replace the DC-DC SMPS of the Main Board normal? Replace the Y Drive Board Replace the X Drive Board Replace the Logic Drive Board Replace the Y Buffer Drive Board Samsung Electronics...

  • Page 40: Trouble-Shooting With New Features

    Cannot select an A/V channel. out, you cannot select an A/V channel. Check if the connector is properly connected. Cannot select a menu. Check if the menu is grayed out. If a menu is grayed out, it cannot be selected. Samsung Electronics...
  • Page 41 This is caused by brightness deterioration due to the storage effect of the panel, and to prevent this from happening, we recommend you reduce 'brightness' and 'contrast'. Samsung Electronics...
  • Page 42 The internal heat of the panel is sent to the vent on the The product is hot. upper part of the product, and users must take care not to touch the hot air from the vent. The heat from the PDP TV does not indicate a defect or problem. Samsung Electronics...

  • Page 43: Troubleshooting Procedures By Ass'y

    11 ASSY BOARD P-FUNCTION BN96-02049A Function Key Board The side function key does not work properly The remote control does not work properly, LED does not work properly, 12 ASSY MISC P-INLET BN96-02112A Power function key mode does not work properly. Samsung Electronics...

  • Page 44: Chapter 7 Block Diagram

    Block Diagram 7. Block Diagram 7-1 Overall Block Diagram Samsung Electronics...

  • Page 45: Partial Block Diagram

    Block Diagram 7-2 Partial Block Diagram 7-2-1 Audio Signal Block Diagram 7-2-2 Video Signal Block Diagram Samsung Electronics...
  • Page 46 Block Diagram 7-2-3 Logic Board Block Diagram Samsung Electronics...

  • Page 47: Chapter 8 Wiring Diagram

    Wiring Diagram 8. Wiring Diagram 8-1 Overall Wiring Samsung Electronics...

  • Page 48: Partial Wiring

    Pin No Signal CN5007(Y B'D) Pin No Signal Pin No Signal Pin No Signal 1■ Pin No Signal D5.3V STD_5V 1 ■ D5.3V 1 ■ 1 ■ 1 ■ VS_ON D5.3V PS_ON Vset D5.3V Vscan D5.3V D5.3V D5.3V Samsung Electronics...
  • Page 49 (MAIN Board) Pin No Signal TXOUT3- TXOUT1+ Pin No Signal 5.3V 1 ■ PW_SDA0 TXCLKOUTB+ TXOUT1- 1 ■ TXCLKOUTB- PW_SCL0 TXCLKOUT+ RTN_amp TXCLKOUT- TXOUT0+ RTN_amp TXOUT0- 18Vamp TXOUT0B+ 18Vamp TXOUT0B- TXCLKOUT2+ PS_ON I2C_READY TXCLKOUT- TXOUT1B+ STD_5V 6.5V FAN_ON FAN_D Samsung Electronics...
  • Page 50 CN0901(MAIN Board) CN1000(MAIN Board) CN0903(MAIN Board) ↔ CN001(Power Button) ↔ CN1(Function Key Board) ↔ Speaker Out Pin No Signal Pin No Signal Pin No Signal FRONT_KEY1 1■ 1■ SPK_R+ FRONT_KEY2 SPK_R- ST5V SPK_L+ SPK_L- FRONT_KEY2 PW_SDA3 PW_SCL3 FRONT_IR Samsung Electronics...
  • Page 51 Pin No Signal SCLK FRONT_KEY1 945_IEC958 POWER_CTR 945_SDA1 LRCLK FRONT_KEY2 945_TXD1 ACLK CH_6.5V FRONT_IR 945_SDATA0 CH_33V PW_RESET 945_RXD1 I2S_5333 9V_A UARTSEL_945 LNA_ON1 945_MCLK D3.3V_M 945_TXD0 CAPTION I2S_HDMI MAIN_SYNC_DET SUB_AFT LED_RED 945_RXD0 LED_GRN RDY_PLUG SUB_SYNC_DET RF_SW1 S_MUTE 945_CVBS 945_SCL1 Samsung Electronics...
  • Page 52 645AD[6] FRONT_KEY1 MAIN_CVBS TXOUT0- TXOUT3+ 645AD[7] FRONT_KEY2 TXOUT0+ TXOUT1- 656CLK MAIN_SIF TXOUT1+ 645AD[0] 645AD[1] TXOUT2- 645AD[2] TXOUT2+ 645AD[3] TXCLKOUT- TXCLKOUT+ 645AD[4] 645AD[5] ⑥ P103(MAIN B'D) ↔ JO802(POD SMPS B'D) Pin No Signal +33V +12V +12V +6.5V +5.3V +5.3V Samsung Electronics...

  • Page 53: Chapter 9 Pcb Diagram

    BN96-02041A Y Buffer Lower Board ⑤ ASSY PDP P-LOGIC BOARD BN96-02042A Logic Board ⑥ ASSY PDP P-ADDRESS E BUFF BOARD BN96-02043A Address E Buffer Board ⑦ ASSY PDP P-ADDRESS F BUFF BOARD BN96-02044A Address F Buffer Board ⑧ Samsung Electronics...

  • Page 54: Video Board, Function Key Borad, Power Button Board

    9-2 Video Board, Function Key Borad, Power Button Board Name Code No Description ASSY BOARD P-POWER & IR BN96-02050A Power Button Board ① ASSY PCB MISC-MAIN BN94-00662A Main Board ② ASSY BOARD P-FUNCTION BN96-02049A Function Key Board ③ Samsung Electronics...

  • Page 55: Chapter 10 Schematic Diagram

    Schematic Diagram 10. Schematic Diagram 10-1 MAIN 10-1-1 Scart Jack This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-1...
  • Page 56 Schematic Diagram 10-1-2 Video switch This Document can not be used without Samsung’s authorization. Power Signal 10-2 Samsung Electronics...
  • Page 57 Schematic Diagram 10-1-3 SAA7119 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-3...
  • Page 58 Schematic Diagram 10-1-4 HDMI_PC IN This Document can not be used without Samsung’s authorization. Power Signal 10-4 Samsung Electronics...
  • Page 59 Schematic Diagram 10-1-5 SVP EX This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-5...
  • Page 60 Schematic Diagram 10-1-6 MICOM This Document can not be used without Samsung’s authorization. Power Signal 10-6 Samsung Electronics...
  • Page 61 Schematic Diagram 10-1-7 DNIe Lite This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-7...
  • Page 62 Schematic Diagram 10-1-8 JACK IN/OUT This Document can not be used without Samsung’s authorization. Power Signal 10-8 Samsung Electronics...
  • Page 63 Schematic Diagram 10-1-9 CONTROL_POWER CONNECTOR This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-9...
  • Page 64 Schematic Diagram 10-1-10 AUDIO PART This Document can not be used without Samsung’s authorization. Power Signal 10-10 Samsung Electronics...
  • Page 65 Schematic Diagram 10-1-11 LVDS This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-11...
  • Page 66 Schematic Diagram 10-1-12 SOUND DELAY This Document can not be used without Samsung’s authorization. Power Signal 10-12 Samsung Electronics...
  • Page 67 Schematic Diagram 10-1-13 TUNER_DTV_POWER This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-13...

  • Page 68: Function

    Schematic Diagram 10-2 Function This Document can not be used without Samsung’s authorization. Samsung Electronics 10-14...

  • Page 69: Power/Ir

    Schematic Diagram 10-3 Power / IR This Document can not be used without Samsung’s authorization. 10-15 Samsung Electronics...

  • Page 70: Chapter 11 Operation Instruction & Installation

    VOL + - buttons Power Indicator Adjust the volume. - Power Off: Blue - Power On: Off d) CH buttons g) Remote Control Sensor Select channels. Aim the remote control towards this spot on the TV. Samsung Electronics 11-1...

  • Page 71: Rear Panel

    Video and audio inputs for external devices, such k) POWER IN as a camcorder or VCR. Connect the supplied power cord. e) PC IN / AUDIO Connect to the video and audio output jack on your PC. 11-2 Samsung Electronics...

  • Page 72: Remote Control

    FUNCTIONING PROPERLY, TAKE OUT THE BATTERIES AND PRESS VCR/DVD FUNCTIONS: THE RESET BUTTON FOR ABOUT - REWIND (REW) 2~3 SECONDS. RE-INSERT THE - STOP BATTERIES AND TRY USING THE - PLAY/PAUSE REMOTE CONTROL AGAIN. - FAST FORWARD (FF) Samsung Electronics 11-3...
  • Page 73 When your remote control is in STB, VCR, CABLE or DVD mode, the volume buttons still control your television’s volume. When your remote control is in TV mode, the VCR or DVD control buttons (rewind, stop, play/pause, and fast forword) still operate your VCR or DVD. 11-4 Samsung Electronics...
  • Page 74 Operation Instruction & Installation VCR Remote Control Codes Cable Box (CATV) Remote Control Codes DVD Remote Control Codes Samsung Electronics 11-5...

  • Page 75: New Features

    The screen brightness is adjusted according to the brightness measured by the Ambient Light Sensor, using the Multi APC function (controls the number of sustain pulses according to the average signal levels) of the PDP panel, thus reducing power consumption. 11-6 Samsung Electronics...
  • Page 76 You can select these options by simply pressing the E.SAVINGbutton on the remote control. 11-2-2 PIP Settings (X - This PIP combination is not available, O - This PIP combination is available) Main Ext.1 Ext.2 S-Video Component HDMI Ext.1 (RGB Excluded) Ext.2 S-Video Component HDMI Samsung Electronics 11-7...

  • Page 77: Installation Notes And Precautions

    11-3-1 Installation Notes 1. Contact a technician for installing the wall bracket. 2. Samsung Electronics is not responsible for any 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.
  • Page 78 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 the corresponding anchor holes and insert and tighten the 11 screws Samsung Electronics 11-9...
  • Page 79 Make sure to use the top center, (See the figure to the right) and not the left or the right side of the product to adjust the angle. You can adjust the bracket angle between -2° and 15°. 11-10 Samsung Electronics...

  • Page 80: Chapter 12 Disassembly & Reassembly

    ① Place the unit down and remove the 4 screws to separate the stand. : BH,+,S,M4,L35,ZPC(BLK) 6009-001432 Caution: Take care not to damage the front glass when placing the unit down. ② Loosen and remove the screws and Stand remove. Samsung Electronics 12-1...
  • Page 81 ② Loosen and remove the screws and Cable Holder remove. 12-1-3 Separation of Sub Cover Back Part Name Description Description Photo Sub Cover ① Remove all marked screws Back ② Loosen and remove the screws and Cable Holder remove. 12-2 Samsung Electronics...
  • Page 82 12-1-4 Separation of Audio Board Part Name Description Description Photo Audio ① Separate the cables connected to the Main Board Board remove ② Loosen and remove the 4 screws. ③ Separation of Power Button,Ambient Light Sensor,IR Receiver PCB. Samsung Electronics 12-3...
  • Page 83 Description Photo Back ① Remove all marked screws Cover ② Take care not to damage the back cover when removing it. 12-1-6 Separation of Function Key Part Name Description Description Photo Function Key ① Remove all marked screws 12-4 Samsung Electronics...
  • Page 84 Part Name Description Description Photo Audio ①Remove all marked screws Board Sub Back ②Remove the Sub Back. 12-1-8 Separation of Power Inlet socket Part Name Description Description Photo Power Inlet ① Loosen and remove the 2 screws. socket Samsung Electronics 12-5...
  • Page 85 12-1-10 Separation of Main SMPS, DC-DC SMPS Part Name Description Description Photo ① Separate the cables connected to the Main SMPS first and then remove the screws. ② Separate the cables connected to the DC-DC SMPS and then remove the screws. 12-6 Samsung Electronics...
  • Page 86 ② Separate the cables connected to the X Drive Board and remove the screws. ③Separate the cables connected to the Y Drive Board and remove the screws. ④Separate the Y Buffer Board and the Address Buffer Board depending on the problem Samsung Electronics 12-7...

  • Page 87: Chapter 13 Circuit Description

    SMPS on or off, handles the Caption signal, and controls the signal for the ⑥ LEDs on the front panel. MSP4410G Sound processor Sound Processing IC ⑦ NSP6241 Sound Effect chip Sound PWM IC ⑧ TMQZ6-405A Tuner Tuner CH Tuning and CVBS, SIF ⑨ Samsung Electronics 13-1...
  • Page 88 It senses the illumination and automati cally adjusts the screen brightness according to the surrounding brightness when the Power Saving Mode of the User menu is set to Auto. 13-1-3 Function Key Board Function Key. Located on the side of the unit. 13-2 Samsung Electronics...
  • Page 89 Signal 5.3V 5.3V 1 ■ 1 ■ 1 ■ FAN-D 1 ■ VT(33V) 5.3V FAN-ON RTN_AMP STB5V RTN_AMP 18V_AMP 5.3V PS-ON 18V_AMP PS-ON VS-ON STB 5V 5.3V 5.3V ※ CN811, CN806, CN807 and CN808 are not used. Samsung Electronics 13-3...
  • Page 90 Section 3 above. Current Protection as defined below. Output Over Current Limit Unit VS(210V) 20A, Constant Current.(TBD) VA(70V) 10A, Constant Current.(TBD) Output except Vs,Va No damage (Auto Recovery or Shut down.) 13-4 Samsung Electronics...
  • Page 91 Check the U101, D108 STD_5V Normal Abnormal Check the U201, Q203, Q204 Normal Abnormal Check the U501 Abnormal Check the U601 Multi Normal Abnormal Check the Q401, Q402 Normal Check the Other board (Image Board or Driver Board) or Cable. Samsung Electronics 13-5...
  • Page 92 Pin No Signal CN2501(E-Buffer), Pin No Signal 1 ■ 1 ■ CN2701(G-Buffer) 5.3V 1 ■ Pin No Signal 1 ■ Vset 5.3V Vscan 5.3V 5.3V (6) D5.3V, Vg, Ve Test Point (7) Va, Vset, Vscan Test Point 13-6 Samsung Electronics...
  • Page 93 Feedback Switching Block Block 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. Samsung Electronics 13-7...

  • Page 94: Pdp Module

    ASSY PDP P-Y BUFF LOWER BOARD BN96-02041A Y Buffer Lower Board ASSY PDP P-LOGIC BOARD BN96-02042A Logic Board ASSY PDP P-ADDRESS E BUFF BOARD BN96-02043A Address E Buffer Board ASSY PDP P-ADDRESS F BUFF BOARD BN96-02044A Address f Buffer Board 13-8 Samsung Electronics...
  • Page 95 - Outputs the XY Drive Board Control Signal E Buffer Board Outputs data and control signals to the bottom left TCP IC. Buffer Board F Buffer Board Outputs data and control signals to the bottom right TCP IC. Samsung Electronics 13-9...
  • Page 96 If the measured waveform is different from the following waveforms, the board must be replaced. To check the waveforms, refer to the following waveform patterns. Figure 2. Normal V-SYNC Output Waveform Figure 3. Normal Address Data Output Waveform 13-10 Samsung Electronics...
  • Page 97 Screen Trouble with Discharge Trouble Missing Vertical Lines Missing Horizontal Lines The Buffer Board and the Logic Check the Drive Y-Buffer Output Main Address Data Output Check the Detailed Waveform Check the Short/Open Defect of the TCP Part. Samsung Electronics 13-11...
  • Page 98 In addition, a weak discharge is introduced, because the applied voltage is low. 13-12 Samsung Electronics...
  • Page 99 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 drive IC ¹× IPM - Logic Signal : Supplied by the Logic board. Gate signal of each switch Samsung Electronics 13-13...
  • Page 100 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 INSTRUMENT SN755867APZP: 64 outputs) are mounted on the board. 13-14 Samsung Electronics...
  • Page 101 By floating the Odd line that caused the Sustain Discharge in the IDS section to the Vscan-h level, and introducing the Sustain Discharge only for Even lines, it compensates for the optical output difference between the Even and Odd lines. 6) CMS Pulse (ComMon Sustain Pulse) Actual optical is output during the common Sustain Discharge section. Samsung Electronics 13-15...
  • Page 102 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 opened, and 180V is output via the output terminal. 13-16 Samsung Electronics...
  • Page 103 2. VCC 3. GND CN4004 4. NC CN4000 5. Ve - Power - Panel 6. NC 7. GND 8. GND 9. NC 10. Vs 11. Vs 310mm CN4002 - Panel CN4001 CN4003 - Panel - Signal 140mm Samsung Electronics 13-17...
  • Page 104 - Panel 3. NC 310mm CN5003 4. GND 5. NC - Power 6. Vset 7. NC 8. GND 9. Vscan 10. GND CN5502 CN5004 11. VCC - Panel 12. VDD - Signal CN5005 CN5503 185mm - Panel 13-18 Samsung Electronics...
  • Page 105 OU T L ( 3 5 ~ 3 8 ) OU T L ( 1 7 ~ 3 4 ) CN5404 Y - B u f f e r (L o w ) Y - B u f f e r (U P ) Samsung Electronics 13-19...
  • Page 106 - 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 (l i n e 4 ) T P (l i n e 3 8 3 ) 13-20 Samsung Electronics...
  • Page 107 DC-DC Power Falling Ramp variable resistor <Y-Main> ※ The Vsc_h and Vnf voltages are controlled by the DC-DC power part of the Y Main board. <Voltage Adjustment Specifications> Vset Vsc_l Vsc_h 195V 210V -190V -70V 100V -175 Samsung Electronics 13-21...
  • Page 108 - Check that the output of X-Out of the X board follows the waveform of #Attachment 2 when the power is supplied. CN4004 CN4000 - Power - Panel CN4002 X - OU T - Panel CN4001 CN4003 - Panel - Signal 13-22 Samsung Electronics...
  • Page 109 Circuit Description ※ Attachment 1 ■ Y Output Waveform The Scan Waveform Must Be Observed Y Output Waveform (200us/div, 100V/div) 1us/div, 100V/div (Sustain Waveform) Samsung Electronics 13-23...
  • Page 110 Circuit Description ※ Attachment 2 ■ X Output Waveform X Output Waveform (200us/div, 100V/div) 2us/div, 100V/div (Sustain Waveform) 13-24 Samsung Electronics...

  • Page 111: New Circuit Description

    R_ASL_GAIN value by 5 per second according to the changed Lux 9 ~ 22 value. 23 ~ 35 - If more than 3 communication errors or saturation (count1>count0) is Else 128 (default) detected, the default value is set (R_ASL_GAIN=128). Samsung Electronics 13-25...
  • Page 112 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 controllable. Number of Sustain Pulses ※ Caution: The Super Power Saving Mode screen is darker than that of Standard Mode. 13-26 Samsung Electronics...

  • Page 113: Chapter 14 Reference Information

    (You must not use another general purpose cable. Use the 3M/5M/7M cable supplied by Samsung.) 14-1-2 Connecting a Satellite Receiver or Decoder In order to watch television programmes broadcast via a satellite network, you must connect a satellite receiver to the rear of TV.
  • Page 114 Please be sure to match the color coded input terminals and cable jacks. Input/Output Specification Input Output Connector Video Audio (L/R) S-Video Video + Audio (L/R) EXT 1 Only TV output is available. EXT 2 Output you can choose. 14-2 Samsung Electronics...

  • Page 115: Connecting To The Av Output

    The RCA (VIDEO + AUDIO L /R) connectors are used for equipment, such as camcorders, video disc players, and some video game devices. Camcorder Rear of the TV Video game device Video disc player Please be sure to match the color coded input terminals and cable jacks. Samsung Electronics 14-3...
  • Page 116 14-1-7 Connecting to the Component Input Rear of the TV The COMPONENT IN connectors are used for equipment with a DVD or DTV receiver DTV receiver output. (480i/480p/576i/576p/1080i) Please be sure to match the color coded input terminals and cable jacks. 14-4 Samsung Electronics...
  • Page 117 The “HDMI/DVI IN” connector is used for equipment with a HDMI out. Rear of the TV DTV Set-Top Box 14-1-10 Connecting to the HDMI/DVI Compatible The “HDMI/DVI IN” connector is used for equipment with a DVI out. Rear of the TV DTV Set-Top Box (HDMI/DVI cable) Samsung Electronics 14-5...

  • Page 118: Connecting Home Theater System

    # Play the DVD after activating the DVD Home Theater System. $ Use the volume control of the Home Theater System while watching the PDP using the DVD Home Theater, where the PDP TV does not produce the audio. 14-6 Samsung Electronics...

  • Page 119: Other Issues Related To Other Products

    The mirror returns to a blank state so that no stains or after-images are left. The SAMSUNG SKY500N model has both an ANYNET port and a SERVICE jack port. Because the shape of the ANYNET port on the DLP TV is the same as that of the SERVICE jack port of the SKY500N, it fails to turn the TV off after a connection has been reported.
  • Page 120 Ex: For LCD 15:9 devices, "Wide" is displayed on the OSD instead of "16:9". 4. The picture size can be changed even in the blue screen. However, the picture size should be controlled by the product specifications if the change is impossible due to hardware restrictions. 14-8 Samsung Electronics...

  • Page 121: Technical Terms

    While the aspect ratio of a normal TV is 4：3, that of a wide a single channel only. screen is 16：9. Through a mono interface, it is hard to experience stereophonic sound and the sound is played using only one speaker. Samsung Electronics 14-9...
  • Page 122 Anynet is an AV network system that enables an easy-to-use camcorder, DTV receiver, DVD, etc. as a video source. AV interface for users by controlling all connected AV devices through the Anynet menu when the AV devices of Samsung Satellite Broadcasting Electronics are connected.
  • Page 123 Therefore, if someone says that a 5000:1 contrast displays a color by 5000 levels, he is confusing Contrast with Gradation. Brightness Brightness is the brightness per unit screen area, the unit for brightness is candela (cd). For example, 1000cd/m2 means the brightness that is measured when 1000 candles are lit within 1 square meters area. Samsung Electronics 14-11...
  • Page 124 The Color reproductivity of a TV is a certain % of NTSC. This means the TV displays that particular % of the color coordinate area of the NTSC signal broadcast by the broadcasting station. In general, a CRT TV provides the highest functional color reproductivity. 14-12 Samsung Electronics...
  • Page 125 ELECTRONICS © Samsung Electronics Co., Ltd. Jun. 2005 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable AA82-02628A International and/or domestic law.

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