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Samsung HPR4272X/XAC Service Manual

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SERVICE
PLASMA DISPLAY TV
PLASMA DISPLAY TV
Chassis : D71A(N_HD_POD_HDMI)_Schubert
Model
: HPR4272X/XAC (HP-R4272)
Manual
■
■
■ 12-Bit Processing (68.7 Billion Colors)
■
■
■ Samsung DNIe™
■ SRS TruSurround XT™
■ 1 HDMI Input
■
■
■ Anynet™
HP-R4272
■ SAMSUNG EPG System
■
■
FEATURES
NTSC/ATSC Tuner Built-In
Split Screen & Picture-In-Picture
™
(Digital Natural Image engine)
™
Energy Saving
System Control Solution
™
Digital Cable Card Slot

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Summary of Contents for Samsung HPR4272X/XAC

  • Page 1 PLASMA DISPLAY TV Chassis : D71A(N_HD_POD_HDMI)_Schubert Model : HPR4272X/XAC (HP-R4272) SERVICE Manual PLASMA DISPLAY TV FEATURES NTSC/ATSC Tuner Built-In ■ ■ ■ 12-Bit Processing (68.7 Billion Colors) Split Screen & Picture-In-Picture ■ ■ ■ Samsung DNIe™ ™ (Digital Natural Image engine) ■...
  • Page 2 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 AA82-02580A International and/or domestic law.

  • Page 3: Table Of Contents

    ■ 5-1 HPR4272X/XAC Service Item ........
  • Page 4 Chapter 10 Schematic Diagram ■ 10-1 POWER & TUNER ............10-1 ■...

  • Page 5: 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 6 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 7: 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 8: 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 9: 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 10 MEMO Samsung Electronics...

  • Page 11: Chapter 2 Product Specification

    2-1 Product Features Block Specfication Major IC Remark POD NIM Tuner Digital/Analog (DTV Built In) S5H2010A01 (Eagle+) PDP Module Samsung SDI V4 Module 42" HD New Module Power Samsung electro mechanics SMPS 42" HD SMPS New SMPS NTSC 3.58, ATSC STP22 (Scaler)

  • Page 12: Key Features

    - CPU : S3C2800X01, S3F866B, P_PCFM_012 ■ S/W Configuration - Main Program : TE28F128 (Flash memory) - Sub-Micom : S3F866B - DDC : 24C02 x2 (Analog DDC Data, Digital DDC Data) - EEPROM : 24C256 (White balance data and Factory initial data) Samsung Electronics...
  • Page 13 - You can input the DVI signal using the DVI ↔ HDMI conversion cable. - When connecting HDMI input using the DVI ↔ HDMI conversion cable, connect the sound signal to the DVI Audio IN port using a separate connection cable. Samsung Electronics...
  • Page 14 70.000 35.000 640 X 480 72.809 37.861 75.000 37.500 56.250 35.156 IBM PC / AT 60.317 37.879 Compatible 800 X 600 70.000 43.75 72.188 48.077 75.000 46.875 60.004 48.363 70.069 56.476 1024 X 768 72.000 57.672 75.029 60.023 Samsung Electronics...

  • Page 15: Specifications Analysis

    PDP TV PDP TV PDP TV Built-In Tuner 852 x 480 1024 x 768 1024 x 768 Resolution PDP Module Samsung SDI V3 Samsung SDI V3 Samsung SDI V4 Screen Size 42" 42" 42" Basic Picture ratio 16 : 9...

  • Page 16: Accessories

    Accessories Item Item code Remark BN68-00825G Owner's Instructions BN68-00825H Remote Control BN59-00462A AAA Batteries 4301-000103 Samsung Service center Power Cord 3903-000144 Anynet Cable BN39-00518A S-VIDEO Cable HDMI Cable HDMI/DVI cable Component Cables (RCA) Internal shopping mall PC Cable PC Audio Cable...

  • Page 17: Chapter 3 Alignment & Adjustment

    ASSY PDP P-Y LOWER BUFFER BOARD BN96-02216A ASSY PDP P-ADDRESS E BUFF BOARD BN96-02036A ASSY PDP P-ADDRESS F BUFF BOARD BN96-02037A ※ When replacing the SMPS or PDP panel, you have to check the voltage printed on the panel sticker and adjust it. Samsung Electronics...

  • Page 18: 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 19: Factory Data

    Nim Version T310 MSP Version New_WB_CbCr 3. White Balance Initial Values of Input Modes ITEM Range TV/AV/S-video Component HDMI Sub Bright(SVP) 0~1204 R-Offset 0~1204 G-Offset 0~1204 B-offset 0~1204 Sub Contrast(DNIe) 0~255 R-Gain 0~255 G-Gain 0~255 B-Gain 0~255 Sub Contrast(SVP) Samsung Electronics...
  • Page 20 07.Analog Y Gain 0~255 08.Analog PB Gain 0~255 09.Analog PR Gain 0~255 10.Black Level Setting 0~255 11.Brightness 0~255 12.UserColor(MAX) 0~127 06.WB Control 01.MP R-Offset2 0~1023 02.MP G-Offset2 0~1023 03.MP B-Offset2 0~1023 04.PP R-Offset2 0~1023 05.PP B-Offset2 0~1023 06.PP B-Offset2 0~1023 Samsung Electronics...
  • Page 21 18.BypassHsharp P1 Luma/Croma 0x1A [6] 19.DctiGain P1 Luma/Croma 0x28 [3:0] 0~15 20.DctiStep P1 Luma/Croma 0x29 [6:4] 21.DctiEnable P1 Luma/Croma 0x29 [7] 22.DctiThres P1 Luma/Croma 0x2A [7:0] 0~255 08.CLK_A P5. DSS 0x0A[15:0] 16~17 09.CLK_B P5. DSS 0x0B[15:0] 0~255 10.GAMMA Samsung Electronics...
  • Page 22 RF PAL-D/K 0~255 RF PAL- I 0~255 RF SECAM-B/G 0~255 RF SECAM-D/K 0~255 RF SECAM-L/L' 0~255 RF NTSC3.58 0~255 RF NTSC4.43 0~255 AV PAL 0~255 AV SECAM 0~255 AV NTSC 3.58 0~255 AV NTSC4.43 0~255 AV PAL60 0~255 Samsung Electronics...
  • Page 23 0~255 5.G-Gain(Post) 0~255 6.B-Gain(Post) 0~255 7.Com_Offset_Sel 8.Com_Gain_Sel 10.ColorTone Cool2 11.ColorTone Cool1 12.ColorTone Normal Refer to Table 3 13.ColorTone Warm1 14.ColorTone Warm2 15. MCM_EN 16. TEMP_DEST 0~255 17. CB5_HIGH 0~255 18. CR5_HIGH 0~255 19. CB5_LOW 0~255 20. CR5_LOW 0~255 Samsung Electronics...
  • Page 24 11.Movie Contrast 12.Movie Bright 13.Movie Color 14.Movie Sharpness 15.RF_dB_1 -.Noise Thres1 0~255 -.LowPassGain1 0~31 -.BandPassGain1 0~31 -.HighPassGain1 0~31 -.PeakStep1 -.CoringTh1 -.CoringGain1 -.PosGain1 -.NegGain1 -.V-PosGain1 -.V-NegGain1 16.RF_dB_2 -.Noise Thres2 -.LowPassGain2 -.BandPassGain2 -.HighPassGain2 -.PeakStep2 -.CoringTh2 -.CoringGain2 -.PosGain2 -.NegGain2 -.V-PosGain2 -.V-NegGain2 Samsung Electronics...
  • Page 25 01. Luma Ramp(32 Step) 02. Luma Ramp(128 Step) 03. White 16 04. White 240 05. Color Bar 06. RGB Ramp(32 Step) 07. Cross Hatch(20X20) 11. Chip Debugger : ON/OFF (Select this menu before downloading sub-micom image) 12. Checksum [XXXX] Samsung Electronics...
  • Page 26 03.Sound HD delay 04.Sound DTV delay 05.DDC Write 06.Auto Voltage Adj 07.Image Sticking 08.Error Mode Check 09.Error Code Table 10.Patt Sel 11.Control Key Lock 12.FCRL Con 14. Reset : Factory reset (User settings in OSD is initialized.) 3-10 Samsung Electronics...

  • Page 27: Service Adjustment

    Do not adjust 15000K/-5 Component IN (720p, 60Hz) 10000K/-5 PC Analog IN None Do not adjust 15000K/-5 HDMI IN (720p, 60Hz) 10000K/-5 <Table 2> For PC Mode, perform only calibration and do not perform additional W/B adjustments. Samsung Electronics 3-11...
  • Page 28 G Cutoff B Cutoff R Gain G Gain Component B gain HDMI R Cutoff G Cutoff B Cutoff R Gain G Gain B gain R Cutoff G Cutoff B Cutoff R Gain G Gain B gain <Table 3> 3-12 Samsung Electronics...
  • Page 29 16) After confirming that the Lattice pattern appears, select the "Calibration" menu. 17) Select the "PC Calibration" menu. 18) In "PC Calibration Off" status, press the "▶" key to perform Calibration. 19) When Calibration is complete, it returns to the high-level menu. 20) All Calibration operations are complete. Samsung Electronics 3-13...
  • Page 30 - Adjust Sub-Contrast(DNIe) to set the 'Y' value. - Adjust red gain ('x') and blue gain ('y') to the color coordinates. * Do not adjust the green gain and sub-contrast (Y) data. High light Measurement point Picture 2-4 Toshiba ABL Pattern 3-14 Samsung Electronics...
  • Page 31 And When you measure High Light, use 70 IRE portion. But if color noise is less in 60 IRE than in 70 IRE, 60 IRE is allowed as a measure point. Picture 2-5 3. Perform adjustments 2-b through 2-d from previous page using the 10 step gray scale pattern. Samsung Electronics 3-15...

  • Page 32: Software Upgrade

    (4) Set the bit/second to 115200. (5) Set the data bit to 8 (6) No parity bit. (7) Set stop bit to 1. (8) No flow control. (9) Save in memory. (10) At this point, the new hyper terminal is ready. 3-16 Samsung Electronics...
  • Page 33 - The version of the program is displayed at the bottom of the Menu screen Main Program Version Boot-code Version 2. Procedures for checking in the Factory Menu When entering Factory Mode, the version of the software is displayed at the bottom of the menu as described on page 3-2. Samsung Electronics 3-17...

  • Page 34: Replacements & Calibration

    1. SMPS Panel voltages must be adjusted after changing SMPS-PCB or PDP module. Range Board Adjustment 195~215V SMPS-MAIN 50~70V Vset 180~210V 70~110V SMPS-DC/DC Vscan -180~220V SMPS-POD SMPS-MAIN SMPS-DC/DC Voltage Label 2. A point of adjusting SMPS-MAIN voltage. SMPS GND TP TP : Vs (TOP) Va (BOT) 3-18 Samsung Electronics...
  • Page 35 Alignment & Adjustment 3. A point of adjusting SMPS-DC/DC. * Use base chassis of PDP panel as GND point. Samsung Electronics 3-19...
  • Page 36 MEMO 3-20 Samsung Electronics...

  • Page 37: Chapter 4 Exploded View & Part List

    Exploded View & Part List 4. Exploded View & Part List 4-1 HPR4272X/XAC Yon 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...

  • Page 38: Hpr4272X/Xac Service Item

    Electrical Part List 5. Electrical Part List 5-1 HPR4272X/XAC Service Item Yon 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 M0013 BN96-01786A ASSY COVER P-REAR SPD-42P5HD M0013 BN96-01789C...
  • Page 39 MEMO Samsung Electronics...

  • Page 40: Chapter 6 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 Drive Board, and between the Logic Boards. Samsung Electronics...

  • Page 41: Checkpoints By Error Mode

    Is the Fuse (F101) of the Main SMPS Replace the Main SMPS Power Input Part blown? Check Main SMPS CN804-2 Pin 3: STB 5V = 5V Replace the Main SMPS Pin 5 PS-ON = 0V Replace the Main Board Samsung Electronics...
  • Page 42 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 43 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 44 Board and the speaker replace the cable, if necessary. properly connected? Is the output voltage of SMPS Replace the main SMPS normal? (CN803 #6) Is the speaker output terminal Replace the Main Board of the Main Board normal? Replace the Speaker Samsung Electronics...
  • Page 45 - Check the tuner output signal (CVBS). - Check the power input of the Main board. Troubleshooting Procedures Is the antenna connection setting Configure properly properly configured? Check CN1001 pin 2 for +33V Replace the Main SMPS Replace the Main Board Samsung Electronics...

  • Page 46: Troubleshooting Procedures By Ass'y

    No Power, Abnormal screen for each input source, PIP screen trouble, Sound trouble 12 ASSY FUNCTION BN96-02049B Function Key Board The side function key does not work properly 13 ASSY POWER BN96-02050B Power Button Board The remote control does not work properly, the LED does not work properly. Samsung Electronics...
  • Page 47 MEMO Samsung Electronics...

  • Page 48: Chapter 7 Block Diagram

    Block Diagram 7. Block Diagram 7-1 Overall Block Diagram Y Main Board X Main Board 1024x768 Pixels 1024x768x3 Cells (R,G,B) (110V) Image Scaler Decoder Micom Samsung Electronics...

  • Page 49: Partial Block Diagram

    Transformer Block (195~215) (-180~220) Auxiliary Control Power Feedback Switching Block Block Vset Output Rectification 198V Transformer Block (180~210) Auxiliary Control Power Feedback Switching Block Block Ve Output Rectification Transformer Block (70~110) Auxiliary Control Power Feedback Switching Block Block Samsung Electronics...
  • Page 50 Block Diagram 7-2-3 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 Samsung Electronics...
  • Page 51 BLK, POL, STB BLK, POL, STB 60pin Connector 60pin Connector 7-2-5 Main Board Block Diagram Display Panel 42", 1024 x 768 SVP-EX62 DNIe Lite Video SW VIDEO1 S-VIDEO1 Audio AMP TAS5122 Optical Out Coaxial Out VIDEO2 S-VIDEO2 (SIDE-AV) Samsung Electronics...

  • Page 52: Chapter 8 Wiring Diagram

    Wiring Diagram 8. Wiring Diagram 8-1 Overall Wiring ASSY SIDE-AV ASSY SPEAKER BN94-00732A BN96-01737A ASSY FUNCTION BN96-02049B ASSY POWER BN96-02050B ASSY PCB MISC-MAIN BN94-00694A Samsung Electronics...
  • Page 53 Pin No Signal Pin No Signal Pin No Signal Pin No Signal Pin No Signal 5.3V 5.3V 1 ■ 1 ■ 1 ■ 1 ■ 1 ■ 5.3V 5.3V Vset 5.3V Vscan PS-ON 5.3V VS-ON 5.3V STB 5V Samsung Electronics...
  • Page 54 ⑤ ⑥ CN2001(MAIN B'D) CN1004(MAIN B'D) CN1003(MAIN B'D) 5.3V ↔ SPEAKER ↔ FUNCTION ↔ POWER BUTTON Pin No Signal Pin No Signal Pin No Signal SPK_R+ KEY1 1 ■ 1 ■ 1 ■ SPK_R- KEY2 LED_RED SPK_L+ SPK_L- Samsung Electronics...
  • Page 55 ↔ FAN ↔ SIDE-AV ↔ J0802(POD SMPS) Pin No Signal Pin No Signal Pin No Signal FAN_STATUS VIDEO2_CVBS 1 ■ 1 ■ POD_SW 1 ■ (Normal : Low) VIDEO2_IDENT FAN_CONTROL SVHS2_IDENT VIDEO2_SL_IN VIDEO2_SR_IN 6.5V SVHS2_Y SVHS2_C POD application Samsung Electronics...

  • Page 56: Chapter 9 Pcb Diagram

    SCHUBERT,CT5000-3570,FUNCTION,BLACK KNOB,500mm 13 ASSY BOARD P-POWER & IR BN96-02050B SCHUBERT,CT5000-3540,POWER & IR,CORE 14 ASSY SPEAKER P BN96-01737A 8ohm,P5,42,15W 15 ASSY FAN P BN96-02046A 1B1S,71X149.5X5mm,1.9,0.19,24,-10 ~ 70,60,3700,DC12V 16 ASSY MISC P-INLET BN96-02369A HP-R4252,STRAUSS,DOCUMENT,INLET.CORE 17 ASSY PCB MISC-SIDE A/V BN94-00732A HPR4272X,D71A,SCHUBERT,VE Samsung Electronics...
  • Page 57 MEMO Samsung Electronics...

  • Page 58: Power & Tuner

    Schematic Diagram 10. Schematic Diagram 10-1 POWER & TUNER This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-1...

  • Page 59: Sound-Process

    Schematic Diagram 10-2 SOUND-PROCESS This Document can not be used without Samsung’s authorization. Power Signal 10-2 Samsung Electronics...

  • Page 60: Micom & Io-Ex & Av In/Out

    Schematic Diagram 10-3 MICOM & IO-EX & AV IN/OUT This Document can not be used without Samsung’s authorization. Power Signal XREF ( I - & Samsung Electronics 10-3...

  • Page 61: Hdmi & Pc

    Schematic Diagram 10-4 HDMI & PC This Document can not be used without Samsung’s authorization. Power Signal > 10-4 Samsung Electronics...

  • Page 62: Svp-Ex52

    Schematic Diagram 10-5 SVP-EX52 This Document can not be used without Samsung’s authorization. Power Signal STP22 (SVP-EX62) Samsung Electronics 10-5...

  • Page 63: S3C2800

    Schematic Diagram 10-6 S3C2800 This Document can not be used without Samsung’s authorization. > - > - > > > 10-6 Samsung Electronics...

  • Page 64: Eagle

    Schematic Diagram 10-7 EAGLE+ This Document can not be used without Samsung’s authorization. Power Signal & Samsung Electronics 10-7...

  • Page 65: Pod

    Schematic Diagram 10-8 POD * This page is not reguired for PODless model. This Document can not be used without Samsung’s authorization. Power Signal 10-8 Samsung Electronics...

  • Page 66: Dnie Lite & Lvds

    Schematic Diagram 10-9 DNIe Lite & LVDS This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-9...

  • Page 67: Side-Av

    Schematic Diagram 10-10 Side-AV This Document can not be used without Samsung’s authorization. Samsung Electronics 10-10...

  • Page 68: Function A'ssy Board

    Schematic Diagram 10-11 Function A'ssy Board This Document can not be used without Samsung’s authorization. 10-11 Samsung Electronics...

  • Page 69: Power & Ir A'ssy Board

    Schematic Diagram 10-12 Power & IR A'ssy Board This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-12...

  • Page 70: Assy Side-Av

    Schematic Diagram 10-13 Assy Side-AV This Document can not be used without Samsung’s authorization. 10-13 Samsung Electronics...

  • Page 71: Chapter 11 Operation Instruction & Installation

    Also used to select or adjust items on the Aim the remote control towards this spot on on-screen menu. the TV. ) buttons 8 Speakers Press CH or CH to change channels. Also used to move up or down in the on-screen menu. Samsung Electronics 11-1...
  • Page 72 Video Input the connector. When you connect COMPONENT Side AV (VIDEO, AUDIO), or Side AV(VIDEO, AUDIO) first bind the ferrite core Audio Input (L, R) around each cable to secure it. 11-2 Samsung Electronics...
  • Page 73 Anynet Connect the supplied power cord. Please refer to the Anynet Owner’s Instruction. This jack is for connecting to 2 SERVICE ONLY other Samsung Anynet-enabled devices. Connector for service only. 10 COMPONENT IN 1, 2 3 HDMI/DVI IN Video (Y/P...
  • Page 74 Press to switch to your favorite channels. 12 CH LIST button Displays the channel list. 13 MODE button Selects a target device to be controlled by the Samsung remote control (i.e., TV, STB, VCR, CABLE, or DVD). 14 PRE-CH button Tunes to the previous channel.
  • Page 75 Press to choose stereo, mono or Separate Audio Program (SAP broadcast). 26 SET button Used during set up of this Samsung remote control, so that it will work compatibly with other devices (VCR, Cable Box and DVD). 27 PIP button Activates picture in picture.

  • Page 76: New Features

    If the ambient brightness is low, it automatically turns the TV brightness down and reduces the power consumption. Super Saving: This mode controls the screen brightness so that the power consumption is always reduced regardless of the ambient brightness. 11-6 Samsung Electronics...
  • Page 77 ○ ○ ○ HDMI(D) ○ ○ ○ ○ Note : This TV has only one tuner and does not allow you to watch one TV channel in the main screen and another channel in the PIP screen. Samsung Electronics 11-7...

  • Page 78: 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 79 4 screws on the wall corresponding hole. bracket to adjust the length. Match each of the brackets and hinge holes to the corresponding anchor holes and insert and tighten the 11 screws . Length between the two locking holes Samsung Electronics 11-9...
  • Page 80 ). 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. Wall Bracket Wall 11-10 Samsung Electronics...
  • Page 81 Be careful not to get your fingers caught during installation. • Make sure the wall attachment panel 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°. Samsung Electronics 11-11...
  • Page 82 TV before moving it, as the stand may fall and could cause serious injury. Two or more people should carry the TV. Never lay the TV on the floor because of possible damage to the screen. Always store the TV upright. 11-12 Samsung Electronics...
  • Page 83 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 84 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. 14-2 Samsung Electronics...
  • Page 85 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 14-3...
  • Page 86 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 87 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 14-5...
  • Page 88 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. 14-6 Samsung Electronics...

  • Page 89: Chapter 13 Circuit Description

    4. If the VS_ON signal from the Logic Board changes from Low to High, the Main SMPS supplies VS power to the X and Y Drive Board through the DC-DC SMPS, and the screen displays a picture on it. Samsung Electronics 13-1...

  • Page 90: Partial Block Description

    SMPS-POD Connector (21) CN1004 Function key board Connector (22) 60P CONNECTOR for Debug (Option) (23) CN2001 SPEAKER CONNECTOR (24) CN1003 POWER&IR BOARD CONNECTOR (25) CN8003 POD SLOT Connector (26) CN8001 POD FAN Connector (27) CN101 SIDE-AV Connector 13-2 Samsung Electronics...
  • Page 91 Anynet In Component 2 SPK.out Power-IR Monitor Out Component 1 R-L-Pr-Pb-Y CN2001 CN1003 R-L-Pr-Pb-Y 1. R(-) 1. GND 2. R(+) 2. LED_RED 3. L(-) 3. A5V 4. L(+) 4. GND 5. KEY2 6. SDA 7. SCL 8. IR Samsung Electronics 13-3...
  • Page 92 User menu is set to Auto. 13-2-4 Function Key Board Function Key. Located on the side of the unit. 13-2-5 Side AV Board Loc. No. Description CN101 S-VIDEO2 Input Jack SK101 AV2 Input Jack CN102 Side AV Connector 13-4 Samsung Electronics...
  • Page 93 Pin No Signal FAN-D 1 ■ 1 ■ 1 ■ 5.3V 1 ■ 5.3V FAN-ON VT(33V) 5.3V STB5V RTN_AMP RTN_AMP PS-ON 18V_AMP 5.3V 18V_AMP PS-ON VS-ON STB 5V 5.3V ※ CN811, CN806, CN807 and CN808 are not used. Samsung Electronics 13-5...
  • Page 94 No single point fault shall be able to cause a sustained over voltage condition on any or all outputs. The sup- ply shall provide latch-mode Over Voltage Protection as defined below. (Table 2) Table 2. Over voltage Protection Parameter Unit VS(210V) 250 ~ VA(70V) 100 ~ D6.5V 6.8 ~ 13-6 Samsung Electronics...
  • Page 95 Thus, this output is called the standby voltage. And with the relay ON signal inputted through the remote controller, this block turns the mechanical switch of relay to ON for driving the main power supply. <Standby Flyback Pulse> Samsung Electronics 13-7...
  • Page 96 Selection of Rt and Ct therefore determines both oscillator frequency and maximum duty cycle. Change and discharge times are determined by the formulas; tc = 0.55RtCt td = RtCtln{(0.0063Rt-2.7)/(0.0063Rt-4)} Frequency, then, is: f=1/(tc+td) For Rt>5KΩ , f=1.8/RtCt f=1.8/(15K§Ùx2.2nF)=48KHz 13-8 Samsung Electronics...
  • Page 97 Circuit Description ③ Output (VA,Multi Outputs) Pulse <VA Main Pulse> <Multi Outputs Main Pulse> Samsung Electronics 13-9...
  • Page 98 VA Output Diode D602 18V_amp Output Diode D603 D10LC20U 200V,10A NIHON INTER VG Output Diode D604 6.5V Output Diode D605 MBR20100CT 100V,20A VISHAY D5.3V Output diode D111 SB560 60V,5A VISHAY STB 5V Output diode RL101 SDT-S-118DMR DC18V RELAY 13-10 Samsung Electronics...
  • Page 99 Circuit Description 13-2-7 POD SMPS J0802(POD SMPS) J0802(POD SMPS) ↔ ↔ CN8002(MAIN B'D) CN811(MAIN SMPS) Pin No Signal Pin No Signal 1 ■ +33V 5.3V +12V +12V +6.5V 1. Block Diagram Samsung Electronics 13-11...
  • Page 100 The circuit that converts the energy transmitted to T801 via the oscillation of the MAIN SWITCHING U802 into DC voltage. The +6.5V and +12V voltages are controlled by the Voltage Regulator and the +30V output voltage is controlled by the Turn Ratio of T801. 13-12 Samsung Electronics...
  • Page 101 Pin No Signal Pin No Signal Pin No Signal Pin No Signal 1 ■ 1 ■ 5.3V 1 ■ 1 ■ 5.3V Vset Vscan 5.3V 5.3V (6) D5.3V, Vg, Ve Test Point (7) Va, Vset, Vscan Test Point Samsung Electronics 13-13...
  • Page 102 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. 13-14 Samsung Electronics...
  • Page 103 ASSY PDP P-ADDRESS E BUFFER BOARD (BN96-02036A) Address Buffer Board ASSY PDP P-ADDRESS F BUFFER BOARD (BN96-02037A) Address Buffer 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 Upper Board Samsung Electronics 13-15...
  • Page 104 ADC 4bit 74MHz DRIVE CONTROL SIGNAL RESET ASIC MICOM nRESET ADC 3bit R,G,B : 16bit R,G,B : 16bit CLK A, B 30MHz ADC 1bit CLK A, B BLK, POL, STB BLK, POL, STB 60pin Connector 60pin Connector 13-16 Samsung Electronics...
  • Page 105 - Outputs the XY Drive Board Control Signal Lower E Buffer board Outputs data and controls signals to the bottom left TCP IC. Buffer Board Lower F Buffer board Outputs data and controls signals to the bottom right TCP IC. Samsung Electronics 13-17...
  • Page 106 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 13-18 Samsung Electronics...
  • Page 107 In addition, a weak discharge is introduced, because the applied voltage is low. Samsung Electronics 13-19...
  • Page 108 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 13-20 Samsung Electronics...
  • Page 109 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 driver ICs (TEXAS INSTRUMENT SN755867APZP: 64 outputs) are mounted on the board. Samsung Electronics 13-21...
  • Page 110 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. 13-22 Samsung Electronics...
  • Page 111 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. Samsung Electronics 13-23...
  • Page 112 1) X-Main 1. D5.3V 2. Vg CN4000 3. RTN - Panel 4. RTN CN4004 5. Ve 6. RTN - Power 7. RTN 8. Vs 9. Vs 310mm CN4002 - Panel CN4003 CN4001 - Signal - Panel 120mm 13-24 Samsung Electronics...
  • Page 113 CN5001 1. Vs 2. Vs CN5504 3. RTN CN5003 4. RTN - Powr 5. Vset 6. RTN 7. Vscan 8. RTN CN5506 CN5005 CN5004 9. Vg CN5502 10. D5.3V - Signal - Panel 165mm CN5503 - Panel Samsung Electronics 13-25...
  • Page 114 - Panel CN5501 CN5504 - Panel OUTH : 2 pins of bottom side. CN5402 CN5506 OUTL OUTL CN5406 - Panel CN5502 - Panel OUTH : 2 pins of upper side. CN5404 CN5403 - Panel CN5503 - Panel 13-26 Samsung Electronics...
  • Page 115 2) Y Main - Connect the Y Main and Y Buffer, and confirm that the output from TP(CN5410, CN5411) of the Y Buffer UP is the same as #Attachment 1 when the power is supplied. TP(Line4) TP(Line383) TP(Line758) Samsung Electronics 13-27...
  • Page 116 - Check that the output of X-Out of the X board follows the waveform of #Attachment 2 when the power is supplied. CN4000 - Panel CN4004 - Power CN4002 - Panel CN4003 CN4001 - Signal - Panel 13-28 Samsung Electronics...
  • Page 117 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 13-29...
  • Page 118 Circuit Description ※ Attachment 2 ■ X Output Waveform X Output Waveform (200us/div, 100V/div) 2us/div, 100V/div (Sustain Waveform) 13-30 Samsung Electronics...

  • Page 119: 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 13-31...
  • Page 120 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. 13-32 Samsung Electronics...
  • Page 121 : Please lay the PDP unit face down on a soft surface when removing the stand. 12-1-2 Separation of ASSY COVER-STAND CABLE Part Name Description Description Photo Cover ① Remove 6 screws on the SPEAKER-COVER Speaker : BH,+,B,M4,L12,ZPC(BLK) ② Remove the SPEAKER-COVER. Samsung Electronics 12-1...
  • Page 122 ① Remove 22 screws. : BH,+,-,S,M4,L8,ZPC(BLK) ② Remove 4 screws. : M8,L16,ZPC(BLK) ③ Remove the Back Cover. 12-1-5 Separation of ASSY FAN Part Name Description Description Photo ① Remove 3 screws. : PH,+,WWP,M3,L8,NI PLT ② Remove the Fan Assy. 12-2 Samsung Electronics...
  • Page 123 : BH,+,-,S,M4,L8,ZPC(BLK) ② Remove 2 screws. : BH,+,B,M4,L8,ZPC(BLK) ③ Remove the sub cover. 12-1-8 Separation of ASSY SIDE AV Part Name Description Description Photo Side AV ① Remove 2 screw. : BH,+,-,S,M4,L8,ZPC(BLK) ② Remove the Side AV assy. Samsung Electronics 12-3...
  • Page 124 ④ Detach all connectors from the ASSY SMPS DC DC PCB then remove the board. : Wear gloves when handling the power board as there may be some remaining electrical charge in the capacitor. Specifically, avoid touching any part of the capacitor. 12-4 Samsung Electronics...
  • Page 125 12-1-11 Separation of ASSY LOGIC BOARD Part Name Description Description Photo Flat Cable ① Take care when separating the Logic Board not to damage the Flat-Cable Connector Cover. Logic Board ① Remove 4 screws. : PH,+,WWP,M3,L8,NI PLT ② Remove the Logic Board. Samsung Electronics 12-5...
  • Page 126 ① While pressing the connector, apply slight force toward the direction of the cable to release the connector. ① Remove the Flat cable. ① Remove 4 screws. : PH,+,WWP,M3,L8,NI PLT ② Detach all reamining connectors from the X-Drive Board. ③ Remove the X-Drive Board. 12-6 Samsung Electronics...
  • Page 127 Connectors ① Separate the Scan Boards from the Y-Main Board by detaching the 5 connectors and remove the Scan Boards. Y Drive ① Remove 4 screws. : PH,+,WWP,M3,L8,NI PLT ② Detach all connectors from the Y-Main Board and remove the Y-Main Board. Samsung Electronics 12-7...
  • Page 128 : 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 5 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 and F-Board. 12-8 Samsung Electronics...