Hitachi SM0063 Service Manual

Plasma display

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SERVICE MANUAL
Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury,
harmful radiation and materials, various measures are provided in this Plasma display.
Be sure to read cautionary items described in the manual to maintain safety before servicing.
1. Since Panel Module and Front Filter are made of glass, handling of the broken Module and
Filter shall b e handled carefully in order not to be injured.
2. Replace m ent work shall be started after the Panel Module and the AC/DC Power supply become
sufficiently cool.
3. Special care shall be taken to the display area in order not to damage its surface.
4. The Panel Module shall not to be touched with bare hand to protect its surface from stains.
5. It is recommended using clean soft gloves during the replace m ent work in order to protect not
only the display area of the Panel Module but also the serviceman himself.
6. The Chip Tube of Panel Module (located upper left of the back) and flexible cables connecting
Panel glasses to drive circuit PWBs are very weak, so sufficient care should be taken so as
not to break them. If you break the Chip Tube, the Panel will not display any more.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Caution
Serviceman Warning

Plasma Display

October 2004
SM0063
Mod. PW1 A
42PMA300EZ

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Summary of Contents for Hitachi SM0063

  • Page 1: Plasma Display

    SERVICE MANUAL SM0063 Mod. PW1 A 42PMA300EZ Caution Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radiation and materials, various measures are provided in this Plasma display. Be sure to read cautionary items described in the manual to maintain safety before servicing.
  • Page 2 42PMA300EZ (PW1A) PRECAUTIONS ● How to clean the plasma screen panel of the monitor Before cleaning the monitor, turn off the monitor and disconnect the power plug from the power outlet. To prevent scratching or damaging the plasma screen face, do not knock or rub the surface with sharp or hard objects.
  • Page 3: Specifications

    42PMA300EZ (PW1A) 2. Specifications Display Approx. 42 inches (920 (H) x 518 (V) mm, diagonal 1059mm) dimensions Panel Resolution 852 (H) x 480 (V) pixels Net dimensions 1030 (W) x 636 (H) x 91 (D) mm (excluding Speakers/Stand) Net weight 33.2kg (excluding Speakers/Stand) Temperature...
  • Page 4: Component Names

    42PMA300EZ (PW1A) 3. Component names [Main unit] Control panel • Adjustment buttons are located on the bottom. • The back cover is provided with Remote-control indications to distinguish the receiver adjustment buttons. Indicating lamp • The main power switch is located at the back, on the lower surface.
  • Page 5 42PMA300EZ (PW1A) 4. Service points Lead free solder This product uses lead free solder (unleaded) to help preserve the environment. Please read these instructions before attempting any soldering work. Caution: Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead free solder can splatter at high temperatures (600˚C).
  • Page 6 42PMA300EZ (PW1A) 5. Adjustment ● How to get to Adjustment mode Using the front control buttons with the set turned off (standby) can activate it. Press the SUB-POWER( ) button, INPUT SELECT( ) button and button at the same time, and hold for more than 5 seconds.
  • Page 7 42PMA300EZ (PW1A) Service adjustment items by I C-bus control O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 0 R DRIVE1 [TV/VIDEO/DSUB-COMP] COOL 1 G DRIVE1 [TV/VIDEO/DSUB-COMP] COOL 2 B DRIVE1 [TV/VIDEO/DSUB-COMP] COOL...
  • Page 8 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 68 Y_OUT_LEVEL (VIDEO) 69 Dispersion Time of Sustain current 0: 2 Times, 1: 4 times For Dynamic (Day) mode 70 C_OUT_LEVEL (TEXT) 71 C_OUT_LEVEL (VIDEO)
  • Page 9 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Adj. Default Formatter VIDEO TUNER Value PANEL Adjust Items Mode 136 DY_GAIN MAIN NTSC mode 137 DC_GAIN MAIN NTSC mode 138 VAP_GAIN MAIN NTSC mode 139 VAP_INV MAIN NTSC mode 140 YH_CORE...
  • Page 10 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Adj. Default Formatter VIDEO TUNER Value PANEL Adjust Items Mode 204 PDP-BLK ON/OFF 1:ON, 0:OFF 205 Counting time for discrimination of fH(M30625/TA1370) 206 Sharpness f0(L) 207 NJW1320_OUT1_GAIN VIDEO PWB 208 NJW1320_OUT2_GAIN...
  • Page 11 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 272 PC Power Save function (0:Impossible 1:Possible) 273 Waite Time for POWER SAVE function (s) VIDEO/PC 274 Lower Limits value for Sync Detect of 2ms interval For Power Save at AV mode...
  • Page 12 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 340 Sharpness f0(VIDEO) NTSC4.43 MAIN 341 Sharpness Gain(VIDEO) NTSC4.43 342 Sharpness f0(VIDEO) NTSC4.43 343 Brightness Limitted Function of PANEL [APSON] 344 VsVa WAIT TIMER [RISTIM] 345 Initial value of Contrast...
  • Page 13 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 408 TEXT Language 409 IIC BUS Data/Clock Open(0:Close, 1:Open) Channel Preset(0:VESTEL, 1:GIFU, 2:HAMA, 3:HFDM,4:AUSTRALIA) 411 Detect and Displsy Tele-Cinema (0:normal 1:Tele Cinema) 412 V FREQ 60Hz Force (0:None, 1:Yes) Main/Sub...
  • Page 14 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 476 Vertical Enhancer [YVEG0_P0] NTSC/PAL(-except RF) 477 [YVEG1_P0] HD2/HD3/HD9/HD10 478 [YVEG2_P0] HD1/HD4/HD5/HD6/HD7/HD8 479 AS[YVEG3_P0] PAL1-RF/multi 480 EU[YVEG0_E_P0] PAL1-RF/multi...
  • Page 15 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 544 [YHDSBG1_P1] HD2/HD3/HD9/HD10 545 [YHDSBG2_P1] HD1/HD4/HD5/HD6/HD7/HD8 546 Horizontal DSB Coaring for Y/G [YHDSBC0_P1] NTSC/PAL/multi 547 [YHDSBC1_P1] 548 Horizontal Enhancer Clip for Y/G [YHDSBC0_P1]...
  • Page 16 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 612 C OUT LEVEL D/K (6.5) For Asia Main 613 C OUT LEVEL I (6.0) For Asia Main 614 C OUT LEVEL B/G (5.5) For Europe Main...
  • Page 17 42PMA300EZ (PW1A) O : Should be adjusted : Should be followed previous data Changed Component Function Maximum Default Adj. Formatter VIDEO TUNER Value PANEL Adjust Items Mode 680 Y_DL (5.5MHz PAL/NTSC4.43) For Europe 681 Y_DL (5.5MHz SECAM) For Europe 682 Y_DL (6.0PAL/NTSC4.43) For Europe 683 Y_DL (6.0SECAM) For Europe 684 Y_DL (6.5MHz PAL/NTSC4.43) For Europe Main...
  • Page 18: Factory Reset

    42PMA300EZ (PW1A) The Expression of input signal mode (format) Video Judgment of Video Input PAL1: S and Composite of PAL/SECAM System Mode Input H.Frequency Setup PAL2: Component of PAL (YCBCR) 15.75kHz Auto PAL2 PAL3: Component of PAL (YPBPR) (576i) SDTV/DVD PAL2 PAL4: Component of PAL (YCBCR-SCART) HDTV...
  • Page 19 42PMA300EZ (PW1A) Adj. point Refer the figure below Item Power Unit Vs, Va Adjustment Adjustment Procedures Remarks Adjustment Preparations Turn on the set and perform Turn Vs ADJ to adjust Vs voltage Permissive level of voltage in pre-heat run more than 1 to be within ±0.1V of the value sufficient time of heat-run min with burn-in screen.
  • Page 20 42PMA300EZ (PW1A) AUTOMATIC SIGNAL LEVEL ADJ USTMENT –RGB (1) Item Preparation Procedure (1) Input the adjustment signal of VGA (60Hz) (1) Select RGB2 and enter the service adjustment format into RGB2 [D-sub] input terminal. mode. the adjustment signal (2) Select No.740 “RGB Amp. Gain ADJ.” and press OK button for more than 2 seconds to start the The signal level of black area adjustment.
  • Page 21 42PMA300EZ (PW1A) Item AUTOMATIC SIGNAL LEVEL ADJ USTMENT –VIDEO Preparation Procedure (1) Input the adjustment signal of 576p or (1) Select AV1 and enter the service adjustment mode. 480p format into AV1 input terminal. the adjustment signal (2) Select No.743 “Automatic White peak Adj. (Multi)” and press OK button for more than 2 seconds to start the adjustment.
  • Page 22 42PMA300EZ (PW1A) Item Video Color Temperature Adjustment (Cool) Adj. point Adjustment Procedures Remarks Adjustment Preparations Set the output of signal Perform the following adjustment with Color temperature should generator to white raster. the remote control. be adjusted under the (Ratio:100%) condition in which the screen is the brightest, thus the initial value of...
  • Page 23 42PMA300EZ (PW1A) Item Video Color Temperature Adjustment (Normal) Adj. point Adjustment Procedures Adjustment Preparations Remarks Set the output of signal Perform the following adjustment with Color temperature should generator to white raster. the remote control. be adjusted under the (Ratio : 100%) condition in which the screen is the brightest, thus the initial value of adjustment is...
  • Page 24 42PMA300EZ (PW1A) Item Video Color Temperature Adjustment (Warm) Adj. point Adjustment Procedures Adjustment Preparations Remarks Set the output of signal Perform the following adjustment with Color temperature should generator to white raster. the remote control. be adjusted under the (Ratio : 100%) condition in which the screen is the brightest, thus the initial value of adjustment is...
  • Page 25 42PMA300EZ (PW1A) Item Video Color Temperature Adjustment (B/W) Adj. point Adjustment Procedures Remarks Adjustment Preparations Set the output of signal Perform the following adjustment with Color temperature should generator to white raster. the remote control. be adjusted under the (Ratio : 100%) condition in which the screen is the brightest, thus the initial value of...
  • Page 26 42PMA300EZ (PW1A) Item PC Color Temperature Adjustment Adj. point Adjustment Procedures Adjustment Preparations Remarks Environment 20 lux or less This adjustment should be Perform the following adjustment done after video color with the remote control. temperature adjustment. Set into Factory Adjustment Set the CRT color analyzer (CA100) mode.
  • Page 27 42PMA300EZ (PW1A) 6. Troubleshooting How to get to Burn-in mode This mode displays the test patterns of some single color raster in turn. These signals are from built-in gener- ator of PDP panel. So it can be presumed that maybe the panel has some trouble when the screen of Burn-in mode is abnormal.
  • Page 28: Flow Chart

    42PMA300EZ (PW1A) Flow Chart Power cannot be turned on (LED does not light) Is the input voltage applied to Power supply unit? (CN61 AC Fuse Power switch FILTER PWB AC inlet F901 T6.3AH 250V Are the voltages applied to CN63 pins and CNPPS pins...
  • Page 29 42PMA300EZ (PW1A) Picture is not displayed (LED is lighting) Is the LED red or green/orange? green/orange Is Voltage applied to CN63 pin of the Power supply unit? Is it the power saving mode? Power supply unit Input signal Cable or Formatter PWB Formatter PWB Is the voltage of CN68 pin...
  • Page 30: Power Board

    42PMA300EZ (PW1A) [ POWER BOARD ] NO POWER NO Vs,Va,Vcc,STB impedance FUSE check D001 D001 impedance check Q003/Q004 Q003,Q004, impedance check Q201 over 130V check voltage D010(K)-J28 Q201,IC201 under 130V D210,Q200,etc impedance check Q301 D151,IC101, Q101,R005 Q104,Q108, Q301,Q300 NO PICTURE & SOUND D310,etc NO PICTURE NO Vs,Va,Vcc...
  • Page 31: Self-Diagnosis Function

    42PMA300EZ (PW1A) 7. Self-Diagnosis Function PDP panel self-diagnosis function Refer to PDP panel service manual. Signal circuit self-diagnosis function This function is for the failure of the signal circuit, for example the phenomenon as below: "Sometimes power turns off abnormally." "Sometimes picture disappears abnormally." To enter to this Self-Diagnosis mode, follow the next steps: Preparation: 1) The Power Cord should be connected to AC line and the Main Power switch should be turned on.
  • Page 33 PW1 CHASSIS CIRCUIT BLOCK DIAGRAM SPRLY LED OFF LED OFF DTC. MUTE TACT SW PWB LED/RECEIVER PWB RELAY DRIVE BU4052 SCL2 <I403> TRUBASS CONT. MUTE DRIVE SDA2 RGB2 Audio IN <IC401> NJW1136 <IC402> NJM2192AM <IC404> TA2021B Lch IN SP OUT Lch MASTER VOL.
  • Page 34 MPF7414 Block Diagram D010 D011 D010 D011...
  • Page 35 42PMA300EZ (PW1A) 9. Connector connection diagram POWER UNIT PDP PANEL CN64 B10P-VH B10P-VH CN68 B6B-PH B6B-PH STB3.3V Vpr2 CN69 20FMN-BT ZIF-20P Vsago VSAGO Vcego VCEGO PFCgo PFCGO JOINT PWB FORMATTER PWB CN63 EJP1 EFM1 B5B-EH B5B-EH DF13-30DP-1.25V(59) FI-TWEP31-VF STB 5V STB 5V GND(LVDS) GND(LVDS)
  • Page 43 42PMA300EZ (PW1A) [ POWER BOARD Printed wiring board diagram 3 ]...
  • Page 44: Disassembly Diagram

    42PMA300EZ (PW1A) 13. Disassembly diagram...
  • Page 45: Parts List

    42PMA300EZ (PW1A) 14. Parts list PRODUCT SAFETY NOTE : Components marked with a have special characteristics important to safety. Before replacing any of there components,read carefully,the CAUTION FOR SAFETY of this Service Manual. Don't degrade the safety of the receiver through improper servicing. SYMBOL PART No.
  • Page 46 42PMA300EZ (PW1A) PRODUCT SAFETY NOTE : Components marked with a have special characteristics important to safety. Before replacing any of there components,read carefully,the CAUTION FOR SAFETY of this Service Manual. Don't degrade the safety of the receiver through improper servicing. SYMBOL PART No.
  • Page 47 THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
  • Page 48: 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 49: Safety Precautions

    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 50 (21) This product has a glass display surface. Design your (10) In order to protect static electricity due to C-MOS circuitry of the Drive part, wear a wrist band to protect static electricity system so that excessive shock and load are not applied to when handling.
  • Page 51: 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 52: 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 6871QCH034A PWB(PCB) ASSY LVDS CTRL B/D ASSY 6871QDH066A PWB(PCB) ASSY Y DRV UPPER B/D ASSY...
  • Page 53: 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 54 (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 55 (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 56 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 57: Trouble Shooting

    ¥†. Trouble Shooting 1. Checking for no Picture A screen doesn'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 58 <A: Y B/D Output wave - 1Frame> <B: Y B/D Output wave - 2~12 SF> <A: Z B/D Output wave - 1Frame> <B: Z B/D Output wave - 1SF> <X B/D Output wave - 1 FRAME> <X B/D Output wave - 1 SF> <X B/D Output wave - Enlargement>...
  • Page 59: 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 60: 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 61 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 62 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 63 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 64: 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 65: 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 66: 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 67: 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 68: 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 2004.01.21 YDRV Upper B/D ASSY 6871QDH066A Initial Product 2004.01.21 YDRV Lower B/D ASSY 6871QDH067A Initial Product 2004.01.21 Y SUS B/D ASSY 6871QYH029A...
  • Page 69 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 70 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 71 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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