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Toshiba 50HP82 Service Manual

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FILE NO. 050-200221
REVISION 1
SERVICE MANUAL
PLASMA MONITOR
50HP82,50XP26H
50XP26K,50XP26R
DOCUMENT CREATED IN JAPAN, Mar., 2005

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  • Page 1 FILE NO. 050-200221 REVISION 1 SERVICE MANUAL PLASMA MONITOR 50HP82,50XP26H 50XP26K,50XP26R DOCUMENT CREATED IN JAPAN, Mar., 2005...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ..........................2-1 USER’S MANUAL .............................. 3-1 TROUBLESHOOTING ............................4-1 METHOD OF ADJUSTMENTS .......................... 5-1 METHOD OF DISASSEMBLY ........................... 6-1 PACKAGING ..............................7-1 PART LIST ................................. 8-1 CONNECTION DIAGRAMS ..........................9-1 BLOCK DIAGRAM ............................10-1...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT OPEN REAR COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This symbol warns the user that unin- This symbol alerts the user that important sulated voltage within the unit may have literature concerning the operation and...
  • Page 4 SAFETY PRECAUTIONS 1. Before returning an instrument to the customer, al- AC Leakage Test ways make a safety check of the entire instrument, in- cluding, but not limited to, the following items. (READING SHOULD NOT BE ABOVE 3.5 mA) a. Be sure that no built-in protective devices are LEAKAGE DEVICE CURRENT...
  • Page 5 SAFETY PRECAUTIONS 5. Observe original lead dress. Take extra care to assure correct lead dress in the following areas: a. near sharp edges, b. near thermally hot parts— be sure that leads and components do not touch thermally hot parts, c. the AC supply, d. high volt- age, and e.
  • Page 6 PRECAUTIONS DE SECURITE 1. Avant de remettre un appareil à un client, faire courant ne doit dépasser 3.5 milliamp. Inverser la toujours d'abord un examen de sécurité de fiche de courant de l'appareil dans la prise et l'appareil en entier comprenant, mais ne s'y limitant répéter le test.
  • Page 7 PRECAUTIONS DE SECURITE b. Certains châssis de moniteur ont habituellement 6. Les composants, parts (pièces) et/ou fils qui ont été 85V (RMS) entre le châssis et la prise de terre, en trouvés surchauffés devraient être remplacés avec fonction de la polarité de la prise de courant. Ces les composants, pièces et fils s'y reliant avec d'autre châssis peuvent ne comporter aucun risque qui ont les mêmes spécifications que les originales.
  • Page 8 SAFETY PRECAUTIONS 1 . Cautions for disassembly 2. The least minimum caut ions for product disas- (1) For the suspension-type set (No. of workers: 3 sembly to 5 including assistants) • Secure a working space, arranged as wide as pos- •...
  • Page 9 SAFETY PRECAUTIONS (Notes) The component by the name of “module” used in this product is defined as a section that is pro- vided with a digital circuit board (including high- voltage parts) used to emit light in the glass panel part, excluding the surface acrylic fiIter or the tem- pered glass fiIter.
  • Page 10 WNER'S ANUAL PLASMA MONITOR 50HP82 50XP26H 50XP26K 50XP26R © 2002 TOSHIBA CORPORATION All Rights Reserved...

  • Page 11: Important Information

    FCC Rules. These limits are designed to provide 7. Do not attempt to service or repair the unit. Toshiba is not reasonable protection against harmful interference when liable for any bodily harm or damage caused if unqualified the equipment is operated in a commercial environment.
  • Page 12 Recommendations to avoid or minimize phosphor burn-in NOTE: When you connect a computer to this monitor, attach Like all phosphor-based display devices and all other gas the supplied ferrite cores. If you do not do this, this plasma displays, plasma monitors can be susceptible to monitor will not conform to mandatory FCC standards.
  • Page 13 Contents How to Attach Options to the Plasma Monitor ..1 OSM Controls ..........18 Menu Operations ........... 18 Introduction ............. 2 Picture Settings Menu ..........20 Introduction to the Adjusting the picture ..........20 Plasma Monitor ............2 Setting the picture mode according to the The features you’ll enjoy include: .......

  • Page 14: How To Attach Options To The Plasma Monitor

    (Wall mount unit, Stand, etc.) * See page 2. • For correct installation and mounting it is strongly recommended to use a trained, authorized Toshiba dealer. Failure to follow correct mounting Drawing B procedures could result in damage to the equipment or injury to the installer.

  • Page 15: User's Manual

    Power cord only 98 lbs/ 44.5 kg, it actually can be hung almost anywhere. Toshiba has made sure that a host of multimedia RGB cable (Mini D-Sub 15-pin to Mini D-Sub 15- resources can be easily connected and displayed as pin connector) brilliantly as intended on the plasma monitor.

  • Page 16: Part Names And Function

    Part Names and Function Front View POWER/STANDBY INPUT SELECT VOLUME POWER/STANDBY VOLUME INPUT SELECT PROCEED DOWN LEFT/— RIGHT/+ /EXIT q PROCEED t POWER/STANDBY indicator Sets the On-Screen Menu (OSM) mode and displays When the power is on ......Lights green. the main menu.

  • Page 17: Rear View/ Terminal Board

    Rear View/ Terminal Board VIDEO 1 VIDEO 2 VIDEO 3 L ( MONO ) VIDEO 1 VIDEO 2 VIDEO 3 L ( MONO ) CB / PB CB / PB CR / PR L ( MONO ) CR / PR L ( MONO ) RGB 1 R / CR / PR...

  • Page 18: Remote Control

    Remote Control w RGB/PC Press this button to select RGB/PC as the source. → RGB/PC1 → RGB/PC2 → RGB/PC3 RGB/PC can also be selected using the INPUT SELECT button on the monitor. The input switches as follows each time the button is pressed: →...

  • Page 19: Battery Installation And Replacement

    !3 DISPLAY Battery Installation and Replacement Displays the source settings on the screen. Insert the 2 “AAA” batteries, making sure to set them in with the proper polarity. !4 OFF TIMER Activates the off timer for the unit. 1.Press and open the cover. !5 MULTI Press this button to select a screen mode from among single mode, side by side, and picture in picture.

  • Page 20: Using The Wired Remote Control Mode

    Using the wired remote control mode Operating Range Connect the supplied remote cable to the remote control’s * Use the remote control within a distance of about 5 m/ remote jack and the “REMOTE CONTROL” terminal on 16ft. from the front of the monitor’s remote control sensor the monitor.

  • Page 21: Installation

    Installation VCR or Laser Disc Player To video inputs on the plasma monitor VIDEO 1 VIDEO 2 Document Camera VIDEO 3 L ( MONO ) CB / PB IBM VGA or Compatibles CR / PR L ( MONO ) RGB 1 Macintosh or Compatibles (Desk top type) R / CR / PR...

  • Page 22: Connecting Your Pc Or Macintosh Computer

    Connecting Your PC or Macintosh Computer Connecting Your Document Camera Connecting your PC or Macintosh computer to your plasma You can connect your plasma monitor to a document monitor will enable you to display your computer’s screen camera. To do so, simply: image for an impressive presentation.

  • Page 23: External Speaker Connections

    External Speaker Connections VIDEO 1 VIDEO 2 VIDEO 3 L ( MONO ) CB / PB CR / PR L ( MONO ) RIGHT LEFT RGB 1 R / CR / PR G / Y B / CB / PB L ( MONO ) RGB 3 ( D i g i t a l RGB )

  • Page 24: Pin Assignments And Signal Levels For 15 Pin Rgb (Analog)

    Pin Assignments and Signal Levels for 15 pin RGB (Analog) Pin No. Signal (Analog) 10 9 Green or sync-on-green 15 14 13 12 11 Blue No connection Ground Red ground Green ground Blue ground No connection Sync signal ground No connection Bi-directional DATA (SDA) Horizontal sync or Composite sync Vertical sync...

  • Page 25: Basic Operations

    Basic Operations POWER DIGITAL ZOOM To turn the unit ON and OFF: Digital zoom specifies the picture position and enlarges the picture. 1. Plug the power cord into an active AC power outlet. 1. Press the POINTER button to display the pointer. ( 2.

  • Page 26: Off Timer

    OFF TIMER To cancel the off timer: To set the off timer: 1. Press the OFF TIMER button twice in a row. The off timer can be set to turn the power off after 30, 60, 2. The off timer is canceled. 90 or 120 minutes.

  • Page 27: Wide Operations

    WIDE Operations Watching with a wide screen STADIUM size screen (manual) With this function, you can select one of four screen sizes. When watching videos or digital video discs 1. Press the WIDE button on the remote control. 2. Within 3 seconds ... Press the WIDE button again.

  • Page 28: Watching Computer Images With A Wide Screen

    Watching computer images with a FULL size screen wide screen Switch to the wide screen mode to expand the 4 : 3 image to fill the entire screen. 1. Press the WIDE button on the remote control. 2. Within 3 seconds ... Press the WIDE button again.

  • Page 29: Multi Screen Operations

    MULTI SCREEN Operations Showing a couple of pictures on the Operations in the Side-by-side mode screen at the same time To change the picture size, press the cursor button. * An RGB-input picture may not be displayed in these modes, VIDEO1 RGB/PC1 depending on the input signal specifications.

  • Page 30: Operations In The Picture-In-Picture Mode

    Operations in the Picture-in-picture mode Selecting the input signals to be displayed To move the position of the sub screen, press the cursor 1. Press the SELECT button to make the desired picture button. active. 2. Press the RGB/PC, VIDEO, or DVD/HD button. VIDEO1 RGB/PC1 Each press of the button changes the selection of the...

  • Page 31: Osm Controls

    Controls (On Screen Menu) Menu Operations 5. The change is stored until you adjust it again. 6. Repeat steps 2 – 5 to adjust an additional item, or press The OSM window is displayed with respect to the the EXIT button on the remote control to return to the screen as shown on the diagram.
  • Page 32 Main menu Sub menu Functions Default Reset PICTURE CONTRAST Adjusts the contrast. Center BRIGHTNESS Adjusts the brightness. Center SHARPNESS Adjusts the sharpness. Center/1 COLOR Adjusts the color. Center TINT Adjusts the tint. Center PICTURE MODE Sets the picture mode according to the VIDEO environment and MEMORY image software.

  • Page 33: Picture Settings Menu

    Picture Settings Menu 4. Once the adjustment is completed ... Press the EXIT button to return to the main menu. Adjusting the picture To delete the main menu, press the EXIT button once The contrast, brightness, sharpness, color and tint can be more.

  • Page 34: Setting The Picture Mode According To The Brightness Of The Room

    Setting the picture mode according to the 4. Once the adjustment is completed ... brightness of the room Press the EXIT button to return to the main menu. To There are four picture modes that can be used effectively delete the main menu, press the EXIT button once more. according to the environment in which you are viewing the display.

  • Page 35: Setting The Color Temperature

    Setting the color temperature 4. Once the setting is completed... Use this procedure to set color tone produced by the plasma Press the EXIT button to return to the main menu. display. To delete the main menu, press the EXIT button once more.

  • Page 36: Adjusting The Color To The Desired Quality

    Adjusting the color to the desired quality 4. Press the PROCEED button. Use this procedure to adjust the white balance for bright The “WHITE BALANCE” screen appears. pictures and dark pictures to achieve the desired color 5. Use the L and M buttons to select “RED-GAIN”. quality.

  • Page 37: Reducing Noise In The Picture

    Reducing noise in the picture 4. Once the setting is completed ... Use these settings if the picture has noise due to poor Press the EXIT button to return to the main menu. reception or when playing video tapes on which the picture To delete the main menu, press the EXIT button once quality is poor.

  • Page 38: Sound Settings Menu

    Sound Settings Menu To continue adjusting the sound ... Repeat from step 2. Adjusting the treble, bass and left/right 4. Once the adjustment is completed ... balance Press the EXIT button to return to the main menu. To The treble, bass and left/right balance can be adjusted to delete the main menu, press the EXIT button once more.

  • Page 39: Screen Settings Menu

    Screen Settings Menu 3. Adjust using the buttons. Adjusting the Position, Size, Fine Picture, Picture Adj The position of the image can be adjusted and flickering of the image can be corrected. Example: Adjusting the vertical position in the normal mode Press the PROCEED button on the remote control to V–POSITION...

  • Page 40: Function Settings Menu

    Function Settings Menu Information Setting the on-screen menu Adjusting the Auto Picture When using the monitor for presentations, etc., the monitor ON ....The Picture ADJ and Fine Picture can be set so that the input source, screen mode, etc., do adjustments are made automatically.

  • Page 41: Adjusting The Position Of The Menu Display

    Adjusting the position of the menu display 3. To adjust the position... Use these operations to adjust the position of the menus Adjust using the buttons. that appear on the screen. F U N C T I O N : ON Example: Adjusting the position of the menu display OSM ADJ.

  • Page 42: Setting The Power Management For Computer Images

    Setting the power management for computer images Information This energy-saving (power management) function Power management function automatically reduces the monitor’s power consumption if no operation is performed for a certain amount of time. * The power management function automatically reduces the monitor’s power consumption if the computer’s Example: Turning the power management function on keyboard or mouse is not operated for a certain amount...

  • Page 43: Power/Standby Indicator

    POWER/STANDBY indicator Power management POWER/STANDBY Power management Description Turning the picture back on mode indicator operating status Horizontal and vertical synchronizing Picture already on. Green Not activated. signals are present from the computer. No horizontal synchronizing signals Operate the keyboard or mouse. The Standby Orange Activated.

  • Page 44: Setting The Gray Level For The Sides Of The Screen

    Setting the picture to suit the movie Setting the gray level for the sides of the screen Use this procedure to set the gray level for the parts on the The film image is automatically discriminated and screen on which nothing is displayed when the screen is projected in an image mode suited to the picture.

  • Page 45: Setting Rgb3 Adj

    Setting RGB3 ADJ. Reducing burn-in of the screen When the picture input from the RGB3 input terminal is The brightness of the screen, the position of the picture, distorted, select the most appropriate setting from among positive/negative mode and screen wiper are adjusted to “1”, “2”, and “3”.

  • Page 46: Setting The Time For "Inverse

    Setting the time for “INVERSE” 5. Once the setting is completed... Press the EXIT button to return to the FUNCTION Set the “INVERSE” or “WHITE” display time and the menu. “WAITING TIME”. To exit the main menu, press the EXIT button twice. Example: Setting so that the INVERSE mode starts in 30 minutes and proceeds for one and a half hours.

  • Page 47: Setting The Time For "Screen Wiper

    Setting the time for “SCREEN WIPER” The 2nd line of the “WORKING TIME”: Set the “SCREEN WIPER” operation time, “WAITING → ← 0M ↔ 3M ↔ 6M ↔ 9M ↔ ... ↔ 57M TIME”, and “SPEED”. The 1st line of the “WAITING TIME”: Example: Setting so that the SCREEN WIPER mode →...

  • Page 48: Resetting To The Default Values

    Resetting to the default values The 2nd line of the “WORKING TIME”: Use these operations to restore all the picture adjustments, → ← 0M ↔ 3M ↔ 6M ↔ 9M ↔ ... ↔ 57M audio settings, to the factory default values. The 1st line of the “WAITING TIME”: Refer to page 19 for items to be reset.

  • Page 49: Options Settings Menu

    Options Settings Menu Setting the BNC connectors Select whether to set the input of the 5 BNC connectors to RGB or component. Setting the allocation of the audio connectors Setting the AUDIO 1, 2, and 3 connectors to the desired Example: Set the BNC SELECT mode to “COMP.”...

  • Page 50: Setting A Computer Image To The Correct Rgb Select Screen

    Setting a computer image to the correct RGB Information select screen RGB SELECT modes With the computer image, select the RGB Select mode for a moving image such as (video) mode, wide mode or One of these 6 modes must be selected in order to digital broadcast.

  • Page 51: Setting High Definition Images To The Suitable Screen Size

    Setting high definition images to the suitable Setting the picture size for RGB input signals screen size Use this procedure to switch the setting to “ON” or “OFF”. Use this procedure to set whether the number of vertical lines of the input high definition image is 1035 or 1080. Example: Setting the “ON”...

  • Page 52: Information Menu

    Information Menu Setting the language for the menus The menu display can be set to one of seven languages: Japanese, English, German, French, Swedish, Italian or Checking the frequencies, polarities of input Spanish. signals, and resolution Use this function to check the frequencies and polarities Example: Setting the menu display to “DEUTSCH”...

  • Page 53: Setting The Video Signal Format

    Setting the video signal format 4. Once the setting is completed ... Use these operations to set the video signal format. Press the EXIT button to return to the main menu. To delete the main menu, press the EXIT button once Example: Setting the video signal format to “3.58 more.

  • Page 54: External Control

    External Control Application Communication Format These specifications cover the communications control of 8 bit 8 bit 8 bit 8 bit 8 bit 8 bit 8 bit 8 bit the plasma monitor by external equipment. Command 1 Connections Unit ID 1 Connections are made as described below.

  • Page 55: Command Reference List

    Command Reference List 01. Power ON Function The external control equipment switches on the power of the plasma monitor. CMD1 CMD2 LEN Transmission Data 01. Power ON 02. Power OFF 03. Input Switch Change 04. VOLUME Gain Data The plasma monitor returns the following ACK when the power is switched on. 05.

  • Page 56: Volume Gain Data

    04. VOLUME Gain Data Function DATA00 DATA01 CKS The external control equipment changes the VOLUME gain data of the plasma DATA00: USER PICTURE Gain Flag monitor. DATA01: CONTRAST Gain Flag Transmission Data DFH 80H DATA00 DATA01 DATA02 CKS 08. BRIGHT Gain Data Function DATA00: USER SOUND Gain Flag The external control equipment changes the BRIGHT gain data of the plasma...

  • Page 57: Color Gain Data

    10. COLOR Gain Data 13. COLOR TEMP SELECT Function Function The external control equipment changes the COLOR gain data of the plasma The external control equipment changes the COLOR TEMP of the plasma monitor. monitor. Transmission Data Transmission Data DFH 80H DATA00 DATA01 DATA02 CKS DFH 80H DATA00 CKS...

  • Page 58: Green Gain Data

    15. GREEN Gain Data 17. NR MODE Set Function Function The external control equipment changes the GREEN Gain Data of the plasma The external control equipment sets the NR (Noise Reduction) mode of the monitor. Note that this command can be accepted only when PRO is selected plasma monitor.

  • Page 59: Balance Gain Data

    20. BALANCE Gain Data 23. H. POSITION Gain Data Function Function The external control equipment changes the BALANCE gain data of the plasma The external control equipment changes the H. POSITION gain data of the monitor. plasma monitor. Transmission Data Transmission Data DFH 80H DATA00 DATA01 DATA02 CKS...

  • Page 60: Auto Picture Select

    26. AUTO PICTURE Select 28. CLOCK Gain Data Function Function The external control equipment switches on or off the AUTO PICTURE of the The external control equipment changes the CLOCK gain data (ratio of frequency plasma monitor. division) of the plasma monitor. Transmission Data Transmission Data DFH 80H...

  • Page 61: Cinema Mode Set

    30. OSM ADJ. Gain Data 33. CINEMA MODE Set Function Function The external control equipment sets the position of the OSM menu of the The external control equipment switches on or off the CINEMA MODE of the plasma monitor. plasma monitor. Transmission Data Transmission Data DFH 80H...

  • Page 62: Inverse Set

    36. INVERSE Set 38. RESET Function Function The external control equipment sets the INVERSE (inverse of image brightness) The external control equipment resets the user adjustment of the plasma and the WHITE of the plasma monitor. monitor. Transmission Data Transmission Data DFH 80H C7H 03H DATA00 DATA01 DATA02 CKS...

  • Page 63: Bnc Select

    40. BNC SELECT 43. PICTURE SIZE Select Function Function The external control equipment sets the BNC SELECT of the plasma monitor. The external control equipment sets the PICTURE SIZE SELECT of the plasma monitor. Transmission Data Transmission Data DFH 80H 8CH 01H DATA00 CKS DFH 80H...

  • Page 64: Color System Select

    45. COLOR SYSTEM Select The display returns the following ACK. Function The external control equipment sets the COLOR SYSTEM of the plasma monitor. DATA00 Transmission Data DATA00: Multi Screen DFH 80H 5CH 01H DATA00 CKS 00H: Single screen 01H: Side by Side1 (Same size screen) DATA00: 01H: 3.58NTSC 02H: Side by Side2 (Left screen smaller) 02H: 4.43NTSC...

  • Page 65: Frequency Request

    47. FREQUENCY Request RESOLUTION DATA07: Dots (Low-order byte) 00H: 0 (No signal: 00H) Function The external control equipment inquires the Horizontal frequency, Vertical frequency, Horizontal sync polarity, Vertical sync polarity, Mode, and Resolution FFH: 256 DATA08: Dots (High-order byte) 00H: 257 (No signal: 00H) of the plasma monitor.

  • Page 66: Video Adj Request

    49. VIDEO ADJ Request DATA05: SHARPNESS Gain F0H: -16 Function FFH: -01 The display returns the video adjustments information by the external control equipment’ s request. 00H: 0 01H: +01 Transmission Data 10H: +16 0CH DATA00 to DATA11 DATA06: CONTRAST Gain CCH: -52 DATA00: RED Gain(Bias) D8H: -40...

  • Page 67: Audio Select Request

    50. Audio Select Request 52. MODEL NAME Request Function Function The external control equipment inquires the current combinations of audio The external control equipment inquires the product code of the plasma monitor. and video inputs for the plasma monitor. Transmission Data Transmission Data 60H 17H The plasma monitor returns the following ACK:...

  • Page 68: Table Of Signals Supported

    Table of Signals Supported Supported resolution 2, 3, 4 • When the screen mode is NORMAL, each signal is converted to a 1024 dots 768 lines signal. (Except for * • When the screen mode is TRUE, the picture is displayed in the original resolution. •...
  • Page 69 *1 Only when using a graphic accelerator board that is capable of displaying 852 480. *2 This signal is converted to a 1024 dots 640 lines signal. *3 The picture is displayed in the original resolution. *4 The aspect ratio is 5:4. This signal is converted to a 960 dots 768 lines signal. *5 Normally the RGB select mode suite for the input signals is set automatically.

  • Page 70: Troubleshooting

    Troubleshooting If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting service. Symptom Checks Remedy Picture is disturbed. • Is a connected component set directly in • Leave some space between the display and Sound is noisy.

  • Page 71: Specifications

    TROUBLESHOOTING...
  • Page 72 TROUBLESHOOTING • In the case of abnormality in the POWER system, such as “No power available” or “Alarm (LED flashing)” Go to → 1. Power failure (P2) • In the case of abnormality in the VIDEO system, such as “No picture” or “Picture errors” Go to →...

  • Page 73: Power Failure

    1. Power failure (1) POWER is turned OFF. Turn on the main power unit. Is the POWER LED lit? Is the power plug connected Poor power plug connection to the wall outlet correctly? Is 100V AC available behind Fuses F1 and F2 have blown •...
  • Page 74 (Caution) When the LED is flashing (protector in operation), all power lines other than M+7 are automatically turned off. When checking the power lines other than the M+7V system, a circuit tester or the like should be connected to the measuring point in advance, for confirmation. (2) Flashing in green (FAN error detection) Does the fan run when the main Is the power supply available...
  • Page 75 (3) Flashing in red (Temperature error detection) In the cold-start mode, does it Is Potential 0V maintained IC7001 and peripheral take less than 15 seconds after at Pin 29 (MAIN) of IC7001? circuits are out of order. the main power circuit is turned ON and until it is turned OFF? TH1 in the POWER unit and Disconnect the PD, PH, and...
  • Page 76 (4) Flashing in green and red (Panel crack detection) Is Potential 0V maintained at IC7001 and peripheral Pin 100 (MAIN) of IC7001? circuits are out of order. Is Potential 0V maintained at Is Potential 5V applied to IC7002 and peripheral (MAIN) of IC7002? of IC7002? circuits are out of order.
  • Page 77 2. No picture displayed and picture errors (Caution) IPXXXX is installed in the MAIN PWB and the VIDEO PWB. These components are inserted in the power line. If there is any error occurring in the circuit, these components function to prevent the evolution of this problem to other areas.
  • Page 78 (1)-1 (P6) Are the signals below available at Pins 2, 5, 8, 3, Are the specified voltages available at the 6, and 9 of the BU connector? PV connector? Pin 1 14Vdc Pin 3 5Vdc Pin 5 6Vdc 2, 5, 8 Pin 7 7Vdc 5Vp-p...
  • Page 79 (2) No picture display of the VIDEO signal only Enter an input of gray scale in the input circuit of VIDEO1, and select VIDEO1. Is a signal of about 3Vp-p available at any of The MAIN PWB is out of order. Pins 21 to 79 of the AM connector in the DSP PWB (GND terminal excluded)? •...
  • Page 80 (2)-1 (P8) Are the signals below available at Pins 14 to 17, The DSP PWB is out of order. 19, 98, 96, 95, and Pin 3 (IP8001) of the AM connector in the DSP PWB? 5Vp-p 5Vp-p 3Vp-p 5Vdc 10MHz, 3Vp-p 27MHz, 3Vp-p 15KHz, 3Vp-p 60Hz, 3Vp-p...
  • Page 81 (2)-2 (P9) Are the signals below available at Pins 2, 5, 8, 3, Are the specified voltages available at the 6, and 9 of the BU connector? PV connector? Pin 1 14Vdc Pin 3 5Vdc Pin 5 6Vdc 2, 5, 8 Pin 7 7Vdc 5Vp-p...
  • Page 82 No presentation of pictures and ON-screen display (P6) Are pulses of 3Vp-p available at Pins 38, 39, and 40 of the AD connector? Are the horizontal/vertical sync signals of 3Vp-p available at Pins 27/28 of IC8701, and a clock signal at Pin 31? 50KHz 60Hz 40MHz...
  • Page 83 (3) Picture errors Display a picture in error mode. However, the video signal level shall be maintained above 0.7Vp-p. 0.7Vp-p or above Are pulses of 3Vp-p available at Pins 38, 39, and 40 of the AD connector? Are the horizontal/vertical sync signals of 3Vp-p available at Pins 27/28 of IC8701, and a clock signal at Pin 31? 50KHz...
  • Page 84 (3)-1 (P12) Does this phenomenon correspond to “Specific gradations (brightness) are tinted.”? Are the signals of 3Vp-p (signal name:REV_ (3)-2 (P14) LVDS, RODD_LVDS, etc.) available at all the signal input pin of IC8701 and IC8702? • • • • • • Is a signal of about 3Vp-p available at all Pins 21 The MAIN PWB is out of order.
  • Page 85 (3)-2 (P13) Is normal display available when the AD, PD, or Each cable is defective. PH cable is replaced? Is normal display available when the MAIN PWB The MAIN PWB is out of order. is replaced? Are 170V, 64V, and D+5V of the POWER unit See “Power cannot be ON.”...
  • Page 86 3. No audio output generated Note) This model is enabled to set up an audio input terminal for each video input terminal. No audio output is available unless the input terminal of the displayed pictures (example: VIDEO 1) coincides with that of audio (example: RGB 3).

  • Page 87: Method Of Adjustments

    METHOD OF ADJUSTMENTS...
  • Page 88 Adjusting conditions Adjustments should be carried out in accordance with the procedures described below. However, any adjustments other than the items A to C below are not required. A. When the [PDP module] is replaced, adjust the sections according to the adjusting items [1 to 3] specified below. (Caution) When the PDP module has been replaced, clear the USAGE TIME to “0”...
  • Page 89 2. Adjustment of +64V (1) Using any video signal of VIDEO input, DVD/HD input, or RGB input, and display a color bar signal. Turn on the power switch of the main unit. (2) Confirm that the voltage at TP4 (D+60V output) and TP2 (D.GND) of the power unit is maintained at a voltage value (Vd value of the label described in Item 1 above) within ±...
  • Page 90 4. Initial setting (1) Enter the factory setting mode by means of the remote control. (2) Press the [PROCEED] key of the remote control 4 times to obtain the [FUNCTION] menu. (3) Move the cursor to the [SHIP] item by means of the cursor keys [ ] and [V], and select the adequate alphabets of the destination specified below, using the cursor keys [<] and [>].
  • Page 91 [Initial setting values] (User setting values) Mode J, JW Other than J, JW Remote control standby ON condition ON condition Sound volume 10 steps 10 steps Input mode VIDEO1 VIDEO1 Display mode STADIUM STADIUM AUTO picture OFF (All of RGB1 to 3) OFF (All of RGB1 to 3) HD select 1080B...
  • Page 92 5. Adjustment of VIDEO screen position and phase 5-1. Adjustment of VIDEO screen position (Caution) Adjustments should be started after returning the [VIDEO] and [SCREEN] setting of the main menu to the initial setting conditions. (1) Enter an input of NTSC and PAL monoscopic signals in VIDEO 1 and use the [WIDE] key of the remote control to change over the screen size in the sequential order of [STADIUM →...
  • Page 93 (11) In the same manner, press the WIDE key and select [NORMAL → FULL → STADIUM → ZOOM → U- SCAN] in this order. Adjust the screen position so that the screen can be arranged evenly to the top, bottom, right, and left. Confirm that [H PHA] and [H CLK] are 0. Otherwise, press the cursor keys [<] and [>] to adjust them to 0.
  • Page 94 (6) Select the DTV 720P signal for the input video signal. Confirm that the screen position is uniformly arranged to the top, bottom, right, and left. If the screen position is found to be unevenly arranged, make adjustments according to the “method of screen position adjustment”...
  • Page 95 [Morgue] 1. Signal Generator (1) Digital RGB and component signal generator • Equivalent to the Video Generator LT1615 (made by LEADER) • Equivalent to the Panel Adapter LT9217 (made by LEADER) • Equivalent to the Video Encoder LT1606 (made by LEADER) (2) NTSC signal generator •...
  • Page 96 4. RGB/PC input Horizontal sync period Video signal 0.7Vp-p Sync signal TTL level Positive/negative polarity (2) Vertical sync period Video signal 0.7Vp-p Sync signal TTL level Positive/negative polarity * The data a to j above are specified in the next page and thereafter, classified for various inspection signals.
  • Page 97 5. RGB/PC signal timing table PC mode Signal name VU-6010 VU-6010 PC98 PC98 NTSC PAL/SECAM 400@56Hz 400@70Hz 480@60HZ Definition 640*240 768*288 640*400 640*400 640*480 Dot clock frequency (MHz) 12.214 14.752 21.053 25.175 25.175 H frequency (kHz) 15.734 15.557 24.826 31.469 31.469 V frequency (Hz) 59.94...
  • Page 98 PC mode Signal name MAC@13” VESA VESA VESA XGA-2 480@72Hz 480@75Hz 480@85Hz 480@75HZ Definition 640*480 640*480 640*480 640*480 640*480 Dot clock frequency (MHz) 30.24 31.5 31.5 36.0 31.5 H frequency (kHz) 37.861 37.5 43.269 39.375 V frequency (Hz) 66.667 72.809 85.008 H total (uS) 28.571...
  • Page 99 PC mode Signal name VESA VESA VESA VESA VESA 600@56Hz 600@60Hz 600@72Hz 600@75Hz 600@85Hz Definition 800*600 800*600 800*600 800*600 800*600 Dot clock frequency (MHz) 49.5 56.25 H frequency (kHz) 35.156 37.879 48.077 46.875 53.674 V frequency (Hz) 56.25 60.317 72.188 85.061 H total (uS) 28.444...
  • Page 100 PC mode Signal name MAC@16” I/O dater CEREB VESA wide VESA wide wide wide 1 (NEC 1) (NEC 2) Definition 832*624 852*480 864*480 848*480 1024*576 Dot clock frequency (MHz) 57.2832 34.006 42.526 33.75 47.25 H frequency (kHz) 49.725 31.722 37.5 31.02 35.795 V frequency (Hz)
  • Page 101 PC mode Signal name VESA wide VESA wide CEREB VESA VESA (NEC 3) (NEC 4) wide 2 768@60Hz 768@70Hz Definition 1280*720 1360*768 1024*600 1024*768 1024*768 Dot clock frequency (MHz) 76.5 85.5 51.2 H frequency (kHz) 45.106 47.712 37.879 48.363 56.476 V frequency (Hz) 60.142 60.015...
  • Page 102 PC mode Signal name VESA VESA MAC@19” VESA VESA 768@75Hz 768@85Hz 1024@60Hz 1024@75Hz Definition 1024*768 1024*768 1024*768 1280*1024 1280*1024 Dot clock frequency (MHz) 78.75 94.5 H frequency (kHz) 60.023 68.677 60.24 63.981 79.976 V frequency (Hz) 75.029 84.997 74.93 60.02 75.025 H total (uS) 16.66...
  • Page 103 PC mode Signal name IDC-3000G IDC-3000G HDTV-J DTV (480P) DTV (720P) PAL 625P NTSC 525P Definition 768*576 640*480 1920*1034 644*483 1280*720 Dot clock frequency (MHz) 29.687 24.39 74.25 24.37 74.25 H frequency (kHz) 31.389 31.47 33.75 31.469 45.000 V frequency (Hz) 59.9 60/60 59.94...
  • Page 104 PC mode Signal name HDTV-W SSPE JSPE MAC@12” Definition 1920*1080 1024*512 852*480 1152*870 Dot clock frequency (MHz) 74.25 H frequency (kHz) 33.75 33.727 15.75 68.681 V frequency (Hz) 60/60 60.012 59.94 75.062 H total (uS) 29.630 29.650 63.750 14.560 (dots) 2200 1186 1020...

  • Page 105: Method Of Disassembly

    METHOD OF DISASSEMBLY (Cautions) 1. Before disassembly, turn power off the main unit and pull out the power plug from the wall outlet. 2. Use a screwdriver with a fitting size. Otherwise, the screw threads may be damaged. 3. Reassembly can be carried out in the reverse order for disassembly. Refer to the disassembly procedures and forward reassembly in the reverse order.
  • Page 106 1.LABEL FILAMENT TAPE(9mm*50m) SUPPLEMENT SHEET (M62) NAME PLATE(M53) SPEAKER LABEL(M54) LABEL (EARTH) (M65) SERIAL LABEL(M10) LABEL A (2001) (M66) AC IN LABEL(M55) LABEL (OUT) (M64) 2.BACK COVER (1)PL-CPIMS*4*12*15KF(SRW36) FELTSHHET(M69) STAND REAR SIDE TERMINAL LABEL B (M57) (3) BACK COVER (M58) 72790175 (2)PL-CPIMS*3*6*3KF(SRW35) GASKET L=200...
  • Page 107 EDGE SADDLE(M06) (5)TP-M4*8*3KF(SRW13) (Caution) At the time of assembly, it shall be tightened together with the round terminal of the connector CN-AD. (6) TERMINAL PANEL (VI) ASSY (M59) 72790176 Adhesion of the protective tape (Caution) When mounting a back BRACKET (OPTION R) (M44) TP-M4*8*3KF(SRW34) cover, stick the filament tape (30mm*50m) (092203969) for the...
  • Page 108 4. AUDIO AMPLIFIER MODULE SP PWB ASSY (PWC-4419E) (A12) LED PWB ASSY (PCB-4419B) (A11) TERMINAL PANEL (SP) (M61) 72621140 TP-M3*6*3KF(SRW24) CBIPS*4*12*3KF (SRW02) TP-M4*8*3KF(SRW37) CBIPS*3*8*3KF(SRW23) CTL PWB ASSY (PCB-4419B) (A09) (1)TP-M3*6*3KF(SRW21) GASKET (L70*10*T1) (M17 (GSK09)) MESH (M47) (3)AUDIO AMPLIFIER MODULE(A_UNIT) 72790157 (2)SCREW,P-CPIMS*3*14*3KF(SRW22) •...
  • Page 109 5. POWER UNIT TP-M4*8*3KF(SRW39,40) *2 x 2 SENS PWB ASSY(PCB-5023C)(A04) PLATE(M48) SENT PWB ASSY(PCB-5023D)(A05) SENS PWB ASSY PLATE SENT PWB ASSY (2)BRACKET(POWER)(M41) INSULATORD4.5*T1)(M67) (3) TP-M4*8*3KF (SRW09) (4)POWER UNIT(A13) 72701267 (1)TP-M4*8*3KF(SRW10) 6.PDP MODULE (11)FRAME(T)(M34) (10)TP-M4*8*3KF(SRW07) (4)TP-M4*8*3KF(SRW04) CN 10P(PD) (CN-PD) CN 9P(PH)(CN-PH) STOP UP SHEET(M71) (6)TP-M4*8*3KF(SRW05) (1)PL-CPIMS*4*16*3GF(SRW03)
  • Page 110 (8) TP-M3*6*3KF(SRW38) CLAMPER, WIRE (M04) (Caution) Make a connection where no "AD" label is present. (14) PDP-NP50C2MF01 (P01) TAPE 1150mm*2 (30m) 7.FRONT PANEL ASSY/FILTER (2) BRACKET FILTER (T) (M38) (1)CBIPS*4*12*3KF(SRW01) (3)BRACKET FILTER(S)(M40) TAPE 680mm x 2 (30m) (2) CUSHION (10*5*600) (M49) (4) BRACKET FILTER (B) (M39) A=10 ±...
  • Page 111 WIRING DIAGEAM Wind the TR by one turn Fix the PD, PH Fixed to the vicinity of the sensor PWB Fix the AD Delete the TR Fix the PH Fix the FAN, PD Fix the PD, PH Fix the surplus Wind the TM by one turn Fixed to the vicinity of the sensor PWB Pass the AD part of the fan...

  • Page 112: Packaging

    PACKAGING...
  • Page 113 1.BAG A PK31 BRACKET(SAFE) PK01 PK30 PK33 PL-CPIMS*4*10*3KF PK26 72790187 2.BAG B SERVICE STATION GUIDE PK29 PK27 NOTICE SHEET PK28 72790193 USER'S MANUAL PK38 SUPPLEMENT SHEET 3.BAG C PK05 BAG,POLYETHYLENE(150*370) BAG B PLUG PK22 PK20 BATTERY,DRY CELL UM-4*2 PK21 CORE,FERRITE SFT-72SB PK19 FERRITE CORE ZCAT2032-930...
  • Page 114 4. ACCESSORY BOX BAG B 50HP82 72790200 50XP26H,K,R PK23 72790128 PLUG CABLE PK05 72790162 50HP82/ PK24 72790186 50XP26K 72790156 50XP26H REM-T HAND UNIT RP-100 72790225 50XP26R POWER CORD PK25 CABLE,D-SUB 15P L1800 72790130 BAG C PK35 72790142 ACCESSORY BOX...
  • Page 115 5.CARTON BOX PK14 72790199 50HP82 72790184 50XP26H,K,R FRONT PK03 BAR CODE SERIAL LABEL PILLER T PK10 SPACER TR PK09 72790180 SPACER TL PK08 72790179 PROTECTION SHEET PK07 PILLER S PK34 SPACER BR PK12 72790182 72790183 SPACER BC PK13 ACCESSORY BOX (W)
  • Page 116 STOPPER PK04 TAPE PP BAND JOINT PK06 72678045 BAR CODE SERIAL LABEL PK03 BACK...

  • Page 117: Part List

    PART LIST Notes: 1. Parts orders must contain model name, parts number and parts name. 2. When you place an order for spare parts, please refer to the respective service manual and mention the right parts number on your P.O. sheets 3.
  • Page 118 50HP82 SYNBOL PARTS NAME PARTS NO. PARTS NO. Q'TY *** PDP MODULE *** PDP NP50C2MF01, 50P2500 72700017 09S900017 *** PWB ASSYS *** PC BOARD ASSY 72790194 0936N4M01 A0205 PC BOARD ASSY, VIDEO(PCB-5023A) 72790195 0936N4V01 PC BOARD ASSY, DSP(PCB-5015) 72790196 0936P7D01...
  • Page 119 50XP26H SYNBOL PARTS NAME PARTS NO. PARTS NO. Q'TY *** PDP MODULE *** PDP NP50C2MF01, 50P2500 72700017 09S900017 *** PWB ASSYS *** PC BOARD ASSY 72790169 0936N9M01 A0205 PC BOARD ASSY, VIDEO(PCB-5023A) 72790170 0936N9V01 PC BOARD ASSY, DSP(PCB-5015) 72701266 0936H3D01 A0812 PC BOARD ASSY 72790171...
  • Page 120 50XP26K SYNBOL PARTS NAME PARTS NO. PARTS NO. Q'TY *** PDP MODULE *** MODULE, PDP NP50C2MF01, 50P2500 72700017 09S900017 *** PWB ASSYS *** PC BOARD ASSY 72790169 0936N9M01 A0205 PC BOARD ASSY, VIDEO(PCB-5023A) 72790170 0936N9V01 PC BOARD ASSY, DSP(PCB-5015) 72701266 0936H3D01 A0812 PC BOARD ASSY...
  • Page 121 50XP26R SYNBOL PARTS NAME PARTS NO. PARTS NO. Q'TY *** PDP MODULE *** PDP NP50C2MF01, 50P2500 72700017 09S900017 *** PWB ASSYS *** PC BOARD ASSY 72790169 0936N9M01 A0205 PC BOARD ASSY, VIDEO(PCB-5023A) 72790170 0936N9V01 PC BOARD ASSY, DSP(PCB-5015) 72701266 0936H3D01 A0812 PC BOARD ASSY 72790171...
  • Page 122 50HP82/50XP26 DESCRIPTION PCB. NO. PART NO. NOTE 23762217 PC BOARD ASS'Y, PKG50C2E3 COMMON RELAY BOARD (U) ① 23762255 PC BOARD ASS'Y, PKG50C2J1-LU-01A DATA RELAY BOARD (UL) ② 23762219 PC BOARD ASS'Y, PKG50C2J2-01A DATA RELAY BOARD (UC) ③ 23762257 PC BOARD ASS'Y, PKG50C2J3-RU-01A DATA RELAY BOARD (UR) ④...

  • Page 123: Connection Diagrams

    CONNECTION DIAGRAMS...

  • Page 124: Block Diagram

    BLOCK DIAGRAM SENS PWB HDSTP (PCB-5023C) POWER FAN SEN FAN SET FAN SCL3 SDA3 PDP MODULE . . . 1 2 3 39 40 41 SCL7 SDA7 SENS PWB SCL8 . . . SDA8 (PCB-5023D) 1 2 3 39 40 41 D+3.3V POSYNC A+12...
  • Page 125 Connector pin descriptions Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction MAIN-VIDEO HDSTP Video mute control of chroma signal Turned LO when the DS connector is available, and video output is generated. Turned HI when no DS connector is available, and video output is muted.
  • Page 126 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction VIDEO → MAIN YUMVD Vertical sync signal for microcomputer Vertical sync signal input to be entered in microcomputer when a chroma or video signal is used. Horizontal sync signal input to be entered in A/D VIDEO → MAIN YUHD Horizontal sync signal for A/D converter when a chroma or video signal is used.
  • Page 127 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction VIDEO-AUDIO VIDEO → AUDIO AU_L Signal L L CH for audio signal VIDEO → AUDIO AU_R Signal R R CH for audio signal VIDEO → AUDIO POMUTE Mute signal for Power start Usually 4.8V VIDEO →...
  • Page 128 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction MAIN → PDPMODULE VIDEO input F- MAIN → PDPMODULE VIDEO input F+ MAIN → PDPMODULE VIDEO input G- MAIN → PDPMODULE VIDEO input G+ MAIN → PDPMODULE RCLK2- CKL2- for VIDEO MAIN →...
  • Page 129 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction D.GND D.GND D.GND POWER → MAIN D+5V 5V for DIGITAL D.GND MAIN-LED LED → MAIN REMIN1 Infrared ray remote control data MAIN → LED LEDCTL1 Standby LED control MAIN →...
  • Page 130 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction POWER → MODULE D+170 170V power supply for DIGITAL circuit No-connection terminal POWER → MODULE D+70 70V power supply for DIGITAL circuit POWER → MODULE 5V power supply for DIGITAL circuit MIAN-PL (Note : MAIN PWB No-connection terminal...
  • Page 131 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction GND2 GND2 GND2 GND2 ENAMDP Not used MAIN → DSP SCL1 Clock line for the I2C bus For DSP MAIN → DSP SDA1 Data line for the I2C bus For DSP DSP →...
  • Page 132 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction DSP → MAIN VOUT_GEV2 Digital video signal (G) DSP → MAIN VOUT_GEV1 Digital video signal (G) DSP → MAIN VOUT_GEV0 Digital video signal (G) GND2 DSP → MAIN VIO_RODD7 Digital video signal (R) DSP →...
  • Page 133 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction GND2 MAIN → DSP VIN_BODD3 Digital video signal (B/Pb) MAIN → DSP VIN_BODD2 Digital video signal (B/Pb) MAIN → DSP VIN_BODD1 Digital video signal (B/Pb) MAIN → DSP VIN_BODD0 Digital video signal (B/Pb) GND2...
  • Page 134 Between PWBs Connector name Pin No. Signal name Acronym Complementary description Signal direction MAIN → DSP VIN_REV7 Digital video signal (R/Pr) MAIN → DSP VIN_REV6 Digital video signal (R/Pr) MAIN → DSP VIN_REV5 Digital video signal (R/Pr) MAIN → DSP VIN_REV4 Digital video signal (R/Pr) MAIN →...
  • Page 135 BLOCK DIAGRAMS 10-1...
  • Page 136 Analog video signal Sync & other signals VIDEO PWB Single Line Two or more Lines Signal Input Terminals +13V SDA, SCL CVBS IN AV Switch REG. VIDEO IN 1 EXT PO (9V) [PHONO] VIDEO1 IN YS1 (DVD2) VIDEO IN 2 CVBS IN CVBS OUT CVBS IN...
  • Page 137 MAIN PWB WR (9pin) AQ (4pin) TM (4pin) TR (4pin) F3 (3pin) F2 (3pin) F1 (3pin) LED-PWB D3.3V IC7001 MITSUBISHI 232C-PWB IIC 1-8 G/A, Sub-CPU, D3.3V SDRAM...etc 4 port Bus IC8802, 3 Line REG *2 (3) S mute, V mute 7-11V Digital Bus IC7403...
  • Page 138 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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