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Fujitsu Plasmavision Service Manual

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PDS4233W/E-H
PDS4234W/E-S
F U J I T S U G E N E R A L P r o p r i e t a r y
C o p y P r o h i b i t e d

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  • Page 1 PDS4233W/E-H PDS4234W/E-S F U J I T S U G E N E R A L P r o p r i e t a r y C o p y P r o h i b i t e d...
  • Page 2: Table Of Contents

    C O N T E N T S IMPORTANT INFORMATION........2 SPECIFICATIONS .
  • Page 3: Important Information

    IMPORTANT INFORMATION WARNING : TO REDUCE THE RISK OF FIRE AND ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE. Please use a screen saver to prevent burning of an after-image on the screen. Electrical energy can perform many useful functions. This unit has been engineered and manufactured to assure your personal safety.
  • Page 4 Do not attempt to service this unit yourself as opening or removing covers may expose you to dangerous voltages and other hazards. Have all service done by qualified service personnel. Unplug this unit from the wall outlet and have it serviced by qualified service personnel in the following cases: a) If the power supply cord or plug is damaged.
  • Page 5: Specifications

    SPECIFICATIONS Power requirement 100-240V, 50/60Hz Environment (Operating) Current drain 3.5A Temperature 0 to 40 C Relative humidity 20 to 80% Display panel Pressure 720 to 1,100 hPa Screen size 92.1 (W) x 51.8 (H) [cm] 36.3 (W) x 20.4 (H) [inch] Aspect ratio 16 : 9 Accessories...
  • Page 6: Setting Signals

    SETTING SIGNALS This display can store parameter settings for eight additional signals for RGB. To do this, select the desired signal and follow "RGB MODE ADJUSTMENT" in the manual to adjust the parameters. When you finish, the settings will be automatically stored. FACTORY SET SIGNALS (RGB MODE) Main corresponding signals (RGB mode) Display (dots x lines)
  • Page 7 FACTORY SET SIGNALS (Component video mode) FACTORY SET SIGNALS (Video, S-video mode) Horizontal Vertical Horizontal Vertical Signal Signal frequency (kHz) frequency (Hz) frequency (kHz) frequency (Hz) 15.73 59.94 SDTV 480i 15.73 59.94 NTSC 15.63 50.00 SDTV 576i 15.63 50.00 31.47 59.94 SDTV 480p 15.63...
  • Page 8: Connection

    CONNECTION POWER COMPONEN RGB 2 RGB 1 S-VIDEO VIDEO AUDIO 2 AUDIO 1 INPUT VIDEO INPUT INPUT INPUT INPUT INPUT INPUT INPUT RS-232C (color difference (mD-sub) (DVI-D) input) / RGB3 INPUT To receptacle To color difference To display To display To RS-232C To S-video To video...
  • Page 9: Part Names And Functions

    PART NAMES AND FUNCTIONS Front Remote control VIDEO VIDEO VIDEO VIDEO MENU MENU MENU MENU ENTER ENTER ENTER ENTER SHIFT SHIFT SHIFT SHIFT Control Panel (bottom) Control Panel (bottom) Control Panel (bottom) Control Panel (bottom) Power indicator lamp This lamp shows the state of the power supply. Lit (red) : Stand-by Power ON button [POWER ON]...
  • Page 10 Bottom External speaker output terminal (EXT SP) Connect this terminal to the optionally available speaker. (Use a speaker with 4 to 16 .) ∗ See the speaker instruction manual for more information. Sound 1 input terminal (AUDIO 1 INPUT) Connect this terminal to the sound output terminal of your VCR, etc. Sound 2 input terminal (AUDIO 2 INPUT) Connect this terminal to the sound output terminal of your VCR, etc.
  • Page 11: Video Mode Adjustment

    VIDEO MODE ADJUSTMENT REMOTE CONTROLLER MENU PICTURE Contrast {-30 to +30} POWER ON Brightness {-60 to +60} ENTER Color {-60 to +60} POWER OFF Tint {-30 to +30 (Comp. Video -60 to +60)} RGB 1 Sharpness {-4 to +4 (Decoder -16 to +16)} RGB 2 Picture Mode Dynamic...
  • Page 12: Rgb Mode Adjustment

    RGB MODE ADJUSTMENT REMOTE CONTROLLER MENU PICTURE Contrast {-30 to +30} Brightness {-60 to +60} ENTER Color {-60 to +60} POWER ON Tint {-60 to +60} POWER OFF Sharpness {-4 to +4(Decoder -16 to +16)} RGB 1 Picture Mode Dynamic RGB 2 Fine RGB 3...
  • Page 13: Troubleshooting Using Led And Osd

    TROUBLESHOOTING USING LED AND OSD 1. Display (1) OSD Two kinds of error messages are displayed on the screen, and the power is turned off 10 sec later. (2) LED LED error is displayed continuously after the power is turned off. 2.
  • Page 14: Troubleshooting Flowchart

    TROUBLESHOOTING FLOWCHART LED lamp blinking Note : 1. Protector operates when connector P4(CN4) is disconnected and power is turn off. Turn power on and check state of lamp. LAMP STATE POWER SUPPLY STATE REMEDY ∗ Replace Power Power supply Not lighted. circuit faulty.
  • Page 15 Check 1 Power supply protector operated Power lamp: Flashing continuously in red. (at an interval of 0.5 sec) Start (1) Turn the main power off and disconnect the connector P2,P3,P4,P5 and P6 on the Main Power PCB. (2) Connect pin 1 and pin 13 of P2 through a 1/4W, 1kΩ resistor. Connect pin 1 of P4 and pin 9 of P6 Turn the main power on again.
  • Page 16 - 15 -...
  • Page 17 - 18 - - 16 -...
  • Page 18: Sand V D Adjustment

    AND V ADJUSTMENT When the Main Power Supply PCB and PDP panel are replaced, Vs and Vd must be adjusted. Adjustment time Within 3 minutes after power on. Adjustment signal Adjust the Vs and Vd in the no-signal state. Check points Refer to the drawing shown below. Adjustment points Refer to the drawing shown below.
  • Page 19: General Connection Diagram

    GENERAL CONNECTION DIAGRAM OPTICAL FILTER INLET MC 2.20 HM T2.5 GLS M8 (DF7-2P) PLASMA DISPLAY PANEL UNIT AC/DC POWER SUPPLY NP42B2MF02 PFW-423 Vs : 160 V Vcc : 5 V Vd : 65 V Lvp : 5V CN352 CN351 CN105 CN104 CN201 CN104...
  • Page 20: Disassembly Procedures

    DISASSEMBLY PROCEDURES 1.Removing the Rear Case 1) Remove the 22 circled screws and remove the Rear Case. ∗ Layout of Main PCB. B : Main Digital PCB A : Main Power PCB D : Audio PCB C : Video PCB - 19 - - 19 -...
  • Page 21 2. Removing the Main Power PCB 1) Remove the Rear Case. 2) Remove 2 circled screws and remove the Option Frame. 3) Disconnect the circled connector. 4) Remove the 4 screws and Main Power PCB. ∗ View after Main Power PCB removed. - 20 -...
  • Page 22 3. Removing the Main Digital PCB (1 of 2) 1) Remove the Rear Case. 2) Remove the Video Unit. 3) Remove the circled screw and remove the Interface PCB from the Main Digital PCB. 4) Disconnect the circled connector - 21 -...
  • Page 23 3. Removing the Main Digital PCB (2 of 2) 5) Remove the Rear Panel. 6) Remove the 4 screws at the shield bracket of the Main Digital PCB, and remove the shield bracket. 7) Remove the Main Digital PCB. ∗ View after Main Digital PCB removed. - 22 -...
  • Page 24 4. Removing the Audio PCB 1) Remove the Rear Case. 2) Disconnect the circled connector. 3) Remove the 5 screws. ∗ View after Audio PCB removed. - 23 -...
  • Page 25 5. Removing the PDP Unit (1 of 3) 1) Remove the Rear Case. 2) Disconnect the circled connectors CN751, CN752, P7and remove their wires to the outside of the Main Unit. 3) Remove the 6 circled screws. (Two screws indicated by the arrows are inside stand cover) 4) Remove the Base Frame from the Front Case together with panel and PCBs.
  • Page 26 5. Removing the PDP Unit (2 of 3) ∗ View after the Front Case Panel Unit and PCBs removed. 5) Remove the 12 circled screws. 6) Disconnect the circled connector and Base Frame together with the other parts. 7) Remove the 9 circled screws and Shield Frame. 8) Disconnect the circled connector.
  • Page 27 5. Removing the PDP Unit (3 of 3) ∗ View after only the PDP Unit removed. ∗ Replace the parts which are already mounted correctly, when the PDP Unit is replaced. - 26 -...
  • Page 28 6. Removing the Bezel Front 1) Remove the 2 circled Cover Stands and remove the screw in the holes. 2) Lift the bottom of the Bezel Front. 3) Lift the Bezel Front upward to remove it. (The top of the Bezel Front is hooked.) ∗...
  • Page 29 7. Removing the Optical Filter 1) Remove the Bezel Front. 2) Remove the 14 screws on the Filter Holders at each side. 3) Remove by sliding the Filter Holder in the arrow directions. 4) Remove the Optical Filter. - 28 -...
  • Page 30 8. Removing the Key Switch PCB 1) Remove the Bezel Front. 2) Remove the Rear Case. 3) Remove by tilting the key switch part forward. 4) Unhook the hook holding the Key Switch PCB. 3) Remove the Key Switch PCB. - 29 -...
  • Page 31 ∗ The Video PCB can be removed without moving the Rear Case. 1) Remove the 4 circled screws. 2) Pull out the Video PCB Unit from the Plasmavision. 3) Remove 5 screws from the Video PCB Unit. Note: Three kinds of screws are used on this Video Unit.
  • Page 32: Parts List

    PARTS LIST Ref. No. Description PDS4233W-H PDS4233E-H PDS4233W-S PDS4233E-S PDS4234W-S PDS4234E-S Cabinet Case Front 8111430006 Case Rear 8112684002 Bazel Front 8112000000 8112905008 8112966009 Cover Stand 8108298008 8112807005 ---------------- ---------------- Cover Stand L ---------------- ---------------- ---------------- ---------------- 8108360002 Cover Stand R ---------------- ---------------- ----------------...
  • Page 33: Transportation And Handling Restrictions

    TRANSPORTATION AND HANDLING RESTRICTIONS Transportation Bad loading Don't load the plasmavision on a truck as shown in the drawing. Handling Never topple. Never drop. Drop Over 30 cm Floor Don't hold the surface of the optical filter. - 32 -...
  • Page 34 Don't stack the plasmavision over three units high. Example of good transportation and handling Good loading Load the plasmavision as shown above. - 33 -...
  • Page 35 MEMO - 34 -...
  • Page 36 0202J1957 January 2002 Printed in Japan...

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Pds4233w/e-hPds4234w/e-s