Beko P7 Service Manual

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P7 PDP TV
SERVICE MANUAL

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  • Page 1 P7 PDP TV SERVICE MANUAL...
  • Page 2 CONTENTS PAGES Safety Instuctions Technical Specification User Instruction 8-29 Back Appearance of TV Interconnection Diagram Block Diagram Block Diagram of Power Supply Service Mode 34-35 Data Sheet of important IC’s and parts 36-46 Frequency list of channel 50-52 ATTACHMENT 1: Panel Service Manual LG-PDP42V6 ATTACHMENT 2:...
  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS GENERAL GUIDELINES There are electro-static sensitive components in PDP Module. Please earth human It is advised to insert an isolation transformer in the body when handle the PDP.In addition, please do AC supply before servicing a hot chassis. not touch the interface connector pin with bare.
  • Page 4: Important Information

    Important information Read and heed the notes on safety so that no hazard to your health arises during contractual use. Errors during installation and connection can damage the device or subsequently related devices. Always keep the operating instructions within reach. Heed the warnings on the device and in the operating instructions.
  • Page 5 • Signal inputs • In the event of lengthy absence or during thunderstorms, pull the mains plug from the socket, Always turn the plasma display and the signal and pull the house antenna socket from the antenna source off before you establish a connection between jack.
  • Page 6: Safety Instructions

    Important notes on safety! Your safety and the safety of others is important. Please, therefore, ensure you read the Safety instructions before you operate this television. Safety instructions Read all the safety instructions before first use of your TV. • Position the television so that direct light does not fall on the screen. Excessive light will cause a washed out effect.
  • Page 7 PC FORMATS DOS Modes 640 x 400 and 720 x 400 VGA (640 x 480) @ 50Hz - 90Hz repetition rate SVGA (800 x 600) @ 50Hz - 90Hz repetition rate WVGA (848 x 600) @ 50Hz - 90Hz repetition rate XGA (1024 x 768) @ 50Hz - 90Hz repetition rate IMAGE FORMATS 4:3, 16:9, auto, zoom, letterbox, subtitle...
  • Page 8: Special Features

    Special Features • 42’’ PDP VGA Panel • 852x480 pixels • 16,722,216 color (8 byte) • Available for Cable Channels (A decoder may be required) • 3000:1 contrast ratio • 2x7 W Stereo sound (With detachable speakers) • 800-Page Teletext Feature •...
  • Page 9 Connection of Mains Cable Always utilise the enclosed mains cable in order to • USA guarantee optimal image quality. • Germany First of all, insert the main cable into the input panel, • Canada and only thereafter into the socket. •...
  • Page 10: Operating Modes

    Turning On the Plasma Display Operating Modes You can only control your plasma display with the remote control when the device is in stand-by mode. Switch the mains switch in the input panel into Position I. The operational display on the front side of the display screen lights up red.
  • Page 11: Control Unit

    Control Unit SCART - 2 SPEAKER OUT SVHS AV IN AV OUT SCART - 1 VIDEO VIDEO PC DVI - D AUDIO IN 10 11 12 SOURCE MENU PROG Remote control Speaker out (L) Stand-by Speaker out (R) PC sound input Power on / off Scart 1 DVI-D...
  • Page 12: Remote Control

    Remote control 1. Picture Format choice button ( 2. Temporary sound mute button ( 3. Equalizer selection button ( 4. PIP Position choice button 5. PIP/PAP On-Off button 6. AV modes select button 7. Numeric buttons 8. ZOOM mode choice button 9.
  • Page 13: Using The Tv

    Using the TV Turning on for the first time and Tuning TV controls Temporary On-Off (STAND-BY) Programme selection Press the ( buttons on your When you press the red ( ) stand-by remote control, or by selecting a numeric button (temporary on-off function) located button in order to get the desired channel on the upper right hand side of your on your television.
  • Page 14: Control Menu

    Control Menu Press the ( ) button Press the right move Press the ( ) button. You will see the button ( ) to select the Adjustment menu. MENU with all the headings of the You can reach this menu directly by different controls on screen.
  • Page 15 Manual tuning and storing of the television channels If you already know the Channel number Press the ( ) button. Press the right move Using the Up ( ) button select the Channel line button to select the Adjustment menu. and enter the channel number by using the You can reach this menu directly by numeric keypad or right-left buttons.
  • Page 16 If you do not know the Channel Fine tuning number If the current channel requires fine tuning, select the Manual Fine Tuning bar by Press the ( ) button. Press the right move using the down ( ) button in the ( ) button to select the Adjustment Manual Tuning menu.
  • Page 17: Program Table

    Program Table Skipping a program that has been stored Press the ( ) button. Press the right move In the event that you do not wish to come button to select the Adjustment menu. across certain programs while going up You can reach this menu direclty by and down between channels using the pressing the ( ) button.
  • Page 18 The setup of your television: Balance: To adjust the volume balance between the left and right speakers to the desired level, Setting up the Sound Menu select the Balance bar using the down ( ) button. You can set the volume with the “ VOL+” and “VOL -“...
  • Page 19 Picture Setup (Green button) Depending on the type of broadcast being transmitted, programmes can be viewed in a number of formats. Press the ” “ button repeatedly to select between Zoom, Letterbox, Subtitle, Auto, 16:9, and 4:3. Please note: Whenever the MENU button is pressed the picture size setting will change while the menus are ON the screen.
  • Page 20 Features Menu (Yellow Button) Stand-by Control: Your television features an automatic stand-by feature which can be enabled between 15 and 120 minutes. If you want your television to autmatically go into stand-by, please select the Stand- by Control line. Select the desired duration with the Right ( ) and left ( ) button.
  • Page 21: Pip Position

    FREEZE: This feature enables you to freeze the PIP Size image of a program you are watching. This feature enables you to resize your PIP window. For this press the ( ) button, For this use the ( ) button on your remote while having PIP on screen, to bring the control, make sure you don’t have any PIP Size menu on screen.
  • Page 22: Using Teletext

    Using Teletext TV/Text mix To view a TV programme whilst in text mode, press the ( ) button. The text Teletext is an information system that displays will be superimposed over the TV text on your TV screen. Using the teletext control programme.
  • Page 23 Page Stop To reveal information Press the ( ) button to reveal concealed If the page of text you have selected information (quiz answers etc.). contains sub pages, these sub pages will automatically be displayed in order Press the ( ) button again to cancel with a delay to allow you to read the the information again.
  • Page 24: Connecting External Equipment

    Connecting external equipment AV Inputs: Connecting a video recorder Press the ( ) button on your remote control. You will enter the Source menu from where you can Via SCART elect the screen input mode. Here select the input Make sure the TV and video recorder are both you desire.
  • Page 25 Via aerial socket Via RCA lead and S-Video socket You can also connect it through the Make sure the TV and video recorder are both S-Video socket of the TV. switched off. Plug the S-Video plug into the S-Video socket Unplug the aerial lead form the TV and plug and the audio leads into the audio sockets.
  • Page 26: Connecting A Dvd Player

    Connecting a DVD player Via RCA lead Make sure the TV and DVD player are both Via SCART switched off. Make sure the TV and DVD player are both Plug one end of the RCA lead into the video and switched off.
  • Page 27: Connecting A Decoder

    Connecting a decoder Plug one end of the RCA lead into the video and audio out sockets on the back of the decoder Via SCART and plug the other end into the video and audio in sockets on the TV. Make sure the TV and decoder are both switched off.
  • Page 28 INTRODUCTION Because your 42” 16:9 PDP-TV equipment is provided with VGA inputs, it may be used as a PC monitor as well. (Pug&Play) Connecting PC: Automatic Configuration: The most suitable geometric settings in accordance to the entry Connect your PC through the D-Sub connector mode is configured by this function.
  • Page 29 Connecting TV with video and satellite/digital receiver Connecting TV with camcorder Connecting TV games and computer...
  • Page 30: Technical Specifications Table

    Technical specifications table 42” 16:9 Plazma TV 2X7 W 275 W General technical specifications Power Supply AC: ................230 V 50 Hz Number of preset programmes: ......100 RF Aerial input:............75 ohm (unbalanced) Speaker empedance: ..........4 ohm Sound Systems: ............Mono/Stereo/NICAM Batteries: ..............2xUM-4, IEC R03 or AAA 1.5 V Receiving channels:...........VHF (Band I Channels 2-4) ..................VHF (Band II Channels 5-12) ..................UHF (Channels 21-69)
  • Page 31 L6B Chassis Panel Power Supply Power Supply Scart Adaptor Chassis Note: You can find more detailed informations regarding panel and panel modules in the panel sections of the service manual.
  • Page 32 TO PANEL PSU MAIN CHASSIS JP453 POWER JP452 JP451 SUPPLY MODULE S150 SPEAKER S550 PANEL LOCIG BORD S350 JP450 MAIN POWER TO HEADPHONE JACK SWITCH MODULE IR RECEIVER/LED KEY BOARD 220V AC MODULE MODULE INPUT...
  • Page 33 L6B BLOCK DIAGRAM Video-Main SDRAM RF In IF IC TDA9886T Tuner-Main MT48LC16M 16 Bit PW1231 Tuner-PIP IF IC TDA9886T EEPROM De-Interlacer 24C64 24 Bit RGB AV-Out Video Flash Memory AM29VL160 AV4 Video-In Video-PIP Video Switch PW181 TDA6415C Video In/Out 16 Bit IMAGE PROCESSOR Progressive...
  • Page 34 L6B POWER SUPPLY BLOCK DIAGRAM (MAIN CHASSIS) J450 F450 +2,5V_STBY U454 U458 U451 (5V) +5V_STBY LM2576 NCP1117 FDS9933A DC_IN F451 VOLTAGE S450 +3,3V_STBY DOUBLER '33V +1,5V_STBY U450 NCP117 12V_AMP U452 FDS9933N U456 U457 LM317 STAND_BY +3,3V NCP1117 U453 U455 +12V PANEL_POWER FDS9933N LM2576...
  • Page 35 L6B SERVICE MENU 1. Activating the Service Menu When the menu is on the screen press ‘9’, ‘3’, ’0’, ’1’ on the remote controller. This will activate the service menu. 2. Service Menu Structure The service menu has three items: display, calibre and version 2.1 Display Display item has seven options: a- Panel...
  • Page 36 2.2 Calibre Calibre item has nine options: a- video format Video format option force the video format to the desired format. Selectable formats are Auto, Pal, NTSC and SECAM. b- colorspace Colorspace option gives the information about the video input colorspace input to PW181 IC.
  • Page 37 TEA6415C BUS-CONTROLLED VIDEO MATRIX SWITCH 20MHz BANDWIDTH CASCADABLE WITH ANOTHER TEA6415C (INTERNAL ADDRESS CAN BE CHANGED BY PIN 7 VOLTAGE) 8 INPUTS (CVBS, RGB, MAC, CHROMA, ...) 6 OUTPUTS POSSIBILITY OF MAC OR CHROMA SIGNAL FOR EACH INPUT BY SWITCHING-OFF THE DIP20 CLAMP WITH AN EXTERNAL RESISTOR (Plastic Package)
  • Page 38 TEA6415C BLOCK DIAGRAM P ERI P ERI LUMA CHROMA DEC. POWER CVBS (MAC/DEC) CVBS (P ERI P LUG1) CVBS (AM TUNER) MAC S IGNAL (AMTUNER) CVBS (P ERI P LUG2) CVBS (FM TUNER) MAC S IGNAL (FM TUNER) SYNCHRO (TTX/BTX) DECODER DATA P ROG...
  • Page 39 C-bus controlled single and multistandard TDA9885; TDA9886 alignment-free IF-PLL demodulators FEATURES • 5 V supply voltage • Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier, AC-coupled • Multistandard true synchronous demodulation with active carrier regeneration: very linear demodulation, • SIF-AGC for gain controlled SIF amplifier, single good intermodulation figures, reduced harmonics, and reference QSS mixer able to operate in high excellent pulse response...
  • Page 40 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.
  • Page 41 TEA6420 BUS-CONTROLLED AUDIO MATRIX 5 STEREO INPUTS 4 STEREO OUPUTS GAIN CONTROL 0/2/4/6dB/MUTE FOR EACH OUTPUT CASCADABLE (2 different addresses) SERIAL BUS CONTROLLED VERY LOW NOISE SHRINK24 VERY LOW DISTORSION (Plastic Package) ORDER CODE : TEA6420 DESCRIPTION SO28 The TEA6420 switches 5 stereo audio inputs on (Plastic Micropackage) 4 stereo outputs.
  • Page 42 TEA6420 BLOCK DIAGRAM RIGHT INPUTS GAIN = 0/2/4/6dB RIGHT OUTP UTS SUPPLY BUS DECODER S CL ADDR LEF T OUTP UTS GAIN = 0/2/4/6dB LEF T INPUTS ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Supply Voltage 10.2 Operating Ambient Temperature 0, + 70 oper Storage Temperature...
  • Page 43 PW1231 Product Specification General Crystal The PW1231 is a high-quality, digital video signal processor that incorporates Pixelworks’ patented deinterlacing, scaling, and video enhancement algorithms. The PW1231 accepts industry-standard video Video Digital PW1231 Video formats and resolutions, and converts the input into any Decoder Output desired output format.The video algorithms are highly...
  • Page 45 Pinout Information Pin Diagram PVDD PVDD PVSS PVSS MPDVSS DPAVSS MPAVDD DPAVDD DPDVSS DPDVDD CGMS TESTCLK TRSTN RESETn MD15 TEST MD14 DCLK MD13 PW1231 MD12 MD11 MD10 (Top View) PVDD PVSS PVSS PVDD MCLK MCAS MRAS MCLKFB MA12 MA11 MA13 MA10 PVDD Figure 2-1 PW1231 Pin Layout...
  • Page 46: General Description

    PW181 Product Specification General Description The PW181 ImageProcessor is a highly integrated Crystal “system-on-a-chip” that interfaces computer graphics and video inputs in virtually any format to a fixed-frequency flat panel display. Video Video Decoder Input Computer and video images from NTSC/PAL to WUXGA PW181 Display at virtually any refresh rate can be resized to fit on a fixed-...
  • Page 47 A(19:0), RAMWE, D(15:0), RAMOE, BHEN, CPUTMS, PortC PortB PortA ROMWE, CS(1:0), CPUTCK, CPUTDO EXTINT RxD, TxD IRRCVR (1:0) (7:0) (7:0) (7:0) CPUTDI ROMOE RD, WR PortD(7:0) PortE(7:0) PortF(7:0) Processor ROM/ 16-bit Watchdog and Interrupt 2-Wire UART GPIO Turbo µP Serial RAM Interface Timers Controller...
  • Page 48 FREQUENCY TABLE (MHz) Channel Number L/L' 49.75 49.75 47.75 48.25 59.25 59.25 55.75 55.25 77.25 77.25 60.50 62.25 85.25 85.25 63.75 175.25 93.25 93.25 176.00 182.25 175.25 175.25 184.00 189.25 183.25 183.25 192.00 196.25 191.25 191.25 200.00 203.25 199.25 199.25 208.00 210.25 207.25...
  • Page 49 Channel Number L/L' 663.25 663.25 663.25 663.25 671.25 671.25 671.25 671.25 679.25 679.25 679.25 679.25 687.25 687.25 687.25 687.25 695.25 695.25 695.25 695.25 703.25 703.25 703.25 703.25 711.25 711.25 711.25 711.25 719.25 719.25 719.25 719.25 727.25 727.25 727.25 727.25 735.25 735.25 735.25 735.25...
  • Page 50 Channel Number L/L' 259.25 271.25 271.25 284.75 266.25 279.25 279.25 296.75 273.25 287.25 287.25 55.75 280.25 295.25 295.25 60.50 287.25 303.25 303.25 63.75 294.25 303.25 303.25 311.25 311.25 311.25 311.25 319.25 319.25 319.25 319.25 327.25 327.25 327.25 327.25 335.25 335.25 335.25 335.25 343.25...
  • Page 51: Service Manual

    PDP MODULE SERVICE MANUAL MODEL : PDP42V6#### CAUTION 1. BEFORE SERVICING THE PDP MODULE, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. 2. WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER..
  • Page 52 SAFETY PRECAUTIONS PDP Module is a display device to be divided into a Panel part (8) If the power cable is damaged, or if the connector is loose, and a Drive part. The Panel part consists of do not use the product: otherwise, this can lead to fire or Electrodes, Phosphor, various dielectrics and gas, and the Drive electric shock.
  • Page 53 (10) In order to protect static electricity due to C-MOS circuitry of (21) This product has a glass display surface. Design your the Drive part, wear a wrist band to protect static electricity system so that excessive shock and load are not applied to the glass.
  • Page 54: Table Of Contents

    [PDP42V6#### Module] CONTENTS ¥ . Formation and Specification of Module ¥– . Adjustment ¥† . Trouble Shooting 1. Checking for No Picture 2. Hitch Diagnosis Following Display Condition 2-1. 4/7 or 3/7 of the screen doesn’t be shown 2-2. Screen doesn’t be shown as Data COF 2-3.
  • Page 55: Formation And Specification Of Module

    ¥ . Formation and Specification of Module External Cable Connection Connector Input Voltage & Signal P1[Z SUS B/D] 5V, Va, Vs P5[Y SUS B/D] P6[Y SUS B/D] P31[CTRL B/D] Video Signal Part No. Description PWB(PCB) ASSY 6871QCH034A LVDS CTRL B/D ASSY PWB(PCB) ASSY 6871QDH066A Y DRV UPPER B/D ASSY...
  • Page 56: Adjustment

    ¥– . Adjustment 1. Application Object 3-2 Adjustment after assembling This standard is applied to the PDP42V6#### PDP Module (PDP Module adjustment) which is manufactured by the manufacturing team of PDP (1) Setting up the initial voltage and adjusting the voltage promotion department or elsewhere.
  • Page 57 (2) Adjusting Vset-down Voltage Wave form 5-2. Connection diagram of measuring Turn the VR2 of Y-SUS PCB and make the “B” wave form instrument and setting up the initial Fig. 2 to be 150!5µs. voltage (1) Connection diagram of measuring instrument Refer to figure 1.
  • Page 58 (3) Measuring the Vs voltage Margin and deciding the voltage ¤ Convert the signal of signal generator to the 100% Full Red signal. ¤Ł Turn the voltage adjusting knob of Vs DC power supply to the voltage -down direction and make the cell of screen turned off.
  • Page 59 E/ X Tub e Y - SUS Z - SUS CONTROLLER X Lef t X rig ht vo lt ag e 1. 5 DC Power Supply for 5V vo lt ag e 65 0. 1 DC Power Supply for Va vo lt ag e Power 185 1.
  • Page 60: Trouble Shooting

    ¥†. Trouble Shooting 1. Checking for no Picture A screen doesn¡fl t display at all and condition of black pattern or power off. (1) Check whether the CTRL B/D LED(D10, D11, D12, D13, D17) is turned on or not. (2) Check the power and signal cable of CTRL B/D. (3) X B/D, Y B/D, Z B/D is well plugged in.
  • Page 61 English...
  • Page 62: Hitch Diagnosis Following Display Condition

    2. Hitch Diagnosis Following Display Condition 2-2. The screen doesn’t be shown as Data 2-1. 4/7 or 3/7 of the screen doesn’t be (Include not be shown part of Data COF quantity or a part) shown (1) The problem between Data COF and X B/D is more (1) Confirm the power connector of X B/D is well plugged in possible that the screen is not be shown as data COF.
  • Page 63: Regular Stripe Is Generated About The Quantity Of One Data Cof Ic Or More

    2-3. It Generates Unusual Pattern of Data 2-4. Regular Stripe is Generated about the COF IC unit Quantity of one Data COF IC or more (1) In case of generating unusual pattern of Data COF IC unit (1) In case of generating regular stripe about the quantity of as below picture, there is problem in the check that is input one Data COF IC, there is problem at the output of output- into Data COF IC...
  • Page 64 2-5. The screen display has a problem for 2-6. The screen has a vertical line with Scan FPC. regular gap. (A vertical stripe flash at especial color) (1) It’s may be a problem between Scan FPC and Y B/D. (2) Check the connection of Y B/D and Scan FPC. (1) This is a problem about control B/D.
  • Page 65 2-8. The screen has one or several vertical 2-10. The screen displays input signal line pattern but the brightness is dark (1) In this case, It isn’t a problem about controller B/D or X (1) In this case, Z B/D operation isn’t complete. B/D.
  • Page 66 2-12. A center of screen is darker than a edge of screen at full white pattern. (1) In this case, it’s a problem about Z B/D ramp wave. (2) Check the connection cable of Z B/D and CTRL B/D. (3) Replace the Z B/D. [ [ Screen Display Form 2-13.
  • Page 67: Checking For Component Damage

    3. Checking for component damage 3-2. FET Ass’y(Y B/D: HS1) damage 3-1. Y IPM(IC 12) or Z IPM(IC 4) damage (1) When Set_Up FET is damaged, screen doesn’t be shown (1) When the internal Sustain_FET of Y IPM(IC 12) or Z Test Point: Enlarge the after measuring GND~B103(Y IPM(IC 4) is damaged, screen doesn’t be shown or electric B/D)
  • Page 68: Scan Ic(Y Drv B/D: Ic1~8) Damage

    3-3. SCAN IC(Y drv B/D: IC1~8) damage (4) In case of shorting the SCAN IC output by a dust, foreign substance, it may overlap two horizontal lines on screen. Test Point: ICT measurance of GND~Y drive B/D output (1) In case of SCAN IC poor, one horizontal line may open at Wave format: As shown (Fig.
  • Page 69: Cof Damage

    3-4. COF damage 3-5. Crystal(CTRL B/D: X1) damage (1) In case of shorting or opening the IC output of COF, it may (1) When Crystal is damage, the screen doesn’t be shown. show one or several vertical lines. Test Point: Measuring 3pin of GND~Crystal(Ctrl B/D: X1) Test Point: Enlarge the after measuring output TP of Wave format: Output wave doesn’t come out GND~COF...
  • Page 70: Block Diagram

    ¥‡ . Block Diagram E/ X Tub e Y - SUS Z - SUS CONTROLLER X Lef t X rig ht vo lt ag e 1. 5 DC Power Supply for 5V vo lt ag e 65 0. 1 DC Power Supply for Va vo lt ag e 185 1.
  • Page 71: Records Of Revision For Boards, Components And Rom Data

    ¥·. Records of Revision for Boards, components and ROM DATA 1. Boards Date Board Part Number Note 2004.01.21 CTRL B/D ASSY(LVDS) 6871QCH034A Initial Product Initial Product 2004.01.21 YDRV Upper B/D ASSY 6871QDH066A 2004.01.21 YDRV Lower B/D ASSY 6871QDH067A Initial Product 2004.01.21 Y SUS B/D ASSY 6871QYH029A...
  • Page 72 2. COMPONENTS Date COMPONENT Part Number Remark Initial Product 2004.01.21 Y IPM(Y B/D: IC 12) 4921QP1023A Apply to DRIVER IC: IR2113S 2004.01.21 Initial Product Z IPM(Z B/D: IC 4) 4921QP1024A Apply to DRIVER IC: IR2113S 2004.01.21 Initial Product FET(Y B/D: HS1) 4921QF2004A Set_up/Set-dn FET Ass’y 2004.01.21...
  • Page 73 3. ROM DATA Date ROM Data Version Contents 2004.02.18 42V62MS01 Initial ROM Data for DND 2004.02.18 42V62JN01 Initial ROM Data for HTC - 23 -...
  • Page 74 SPARE PART LIST V6 (LG) Parts Code Description X56101 PCB ASSY LVDS LV42V6 (6871QCH034A) X56103 PCB ASSY Y-DRIVE UP LG42V6 (6871QDH066A) X56104 PCB ASSY Y-DRIVE(UST) LG42V6 (6871QDH067A) X56105 PCB ASSY X-DRIVE(LEFT)LG42V6(6871QLH034A) X56106 PCB ASSY X-DRIVE(LEFT)LG42V6 (6871QRH037A) X56107 PCB ASSY YSUS LG42V6 (6871QYH029A) X56108 PCB ASSY XSUS LG42V6 (6871QZH033A) X56109...