Toshiba TDP-ST20B Скачать руководство пользователя страница 37 | Manualshive

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Chapter 4

4-11

Click Browse button to select the firmware (*. img file)

Press and hold the projector’s

[Service] two

keys. (TDP-ST20)

Press and hold the projector’s

[Keystone]

and

[Auto set]

keys. (TDP-EX20/EW25)

Then plug in the power cord and turn on power switch.

When the projector enters the firmware upgrade mode,

[LAMP]

,

[ON/Standby]

and

[TEMP]

LED blinks RED in order.

Click Start Download button.

Click Yes button.

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Содержание TDP-ST20B

Страница 1: ...ed by the underlined serial number s This Service Manual describes replacement parts for green product s When repairing any green product s use the parts described in this manual and lead free solder 2 For 1 and 2 see the next page Published in Japan August 2007 GREEN TOSHIBA CORPORATION TDP ST20E TDP ST20B Rev 01 ...

Страница 2: ...ment of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This product...

Страница 3: ...nals 1 7 Chapter 2 2 1 Replaceable Part Hierarchy 2 1 Required Tools 2 2 Parts Replacement 2 3 Chapter 3 3 1 SINGOWS 2000 3 1 Chapter 4 4 1 Firmware Upgrade 4 1 Chapter 5 5 1 Wiring Diagram 5 1 Block Diagram 5 2 Chapter 6 6 1 LED Display 6 1 Troubleshooting 6 2 Operation of Power Supply 6 9 Chapter 7 7 1 Electrical adjustment 7 1 Chapter 8 8 1 Functional Test 8 1 Chapter 9 9 1 Exploded view 9 1 Ot...

Страница 4: ...1 1 Chapter 1 Specifications Chapter 1 ...

Страница 5: ...1 2 Specifications Continued Chapter 1 ...

Страница 6: ...Chapter 1 1 3 Using the Menus ...

Страница 7: ...Chapter 1 1 4 Names of the Terminals on the Rear Panel ...

Страница 8: ...Chapter 1 1 5 Names of each part on the main unit ...

Страница 9: ...1 6 Chapter 1 Names of each part on the control panel and remote control ...

Страница 10: ...1 7 Chapter 1 List of Supported Signals ...

Страница 11: ...Chapter 1 1 8 ...

Страница 12: ...e without removing any other parts The move levels down that a part is the more parts you need to remove in order to access it Start PCB AV F2000 Fuse Front Cover Side Panel R L Top Cover PCB Main PCB Lens Lamp Driver Lamp Fan Rear Panel Lamp Protecter Lamp Cover PCB Key Optical Block Intake Fan Lamp Bracket Thermal SW Color Wheel Exhaust Fan Balast Fan PCB Sensor Foot ADJ PCB Door SW PCB Remocon ...

Страница 13: ...Chapter 2 2 2 Required Tools Cutting pliers Driver bit 䋫 No 0 Torque driver bit 䋫 No 2 Nippers Item Photo Driver bit 䋫 No 2 Box driver M3 ...

Страница 14: ...amp No Figure Explanation Remove two lamp cover screws 2 Outer lamp cover is removed 3 Remove a screw Inner lamp cover is removed Remove three lamp screws Pull up the handle and push the tab to remove the lamp Lamp is pulled out 1 4 5 6 ...

Страница 15: ...Chapter 2 2 4 2 Front Cover Step Figure Explanation Remove a screw at the bottom Push these point you will take off easy front cover is removed Front cover and Senser PCB are removed 2 1 4 3 ...

Страница 16: ...Explanation There are two small holes Push the hook with minus driver Side Cover R is removed Note Side Cover R is There are 4 projections on the panel There are two small holes Push the hook with minus driver Side Cover L is removed 2 3 1 4 ...

Страница 17: ... Explanation Remove three screws at the rear Remove two screws at the right side Remove a screw at the left side Open the Top cover Note Be careful of connection cabels Top cover is removed Door switch is removed Key PCB is removed 㪉 3 4 1 ...

Страница 18: ...n a main board unit are removed Remove seven screws Main and AV PCBoard are removed with rear panel Remove a screw at the rear panel Rear panel is removed Remove two screws on the main PCB Remove four screws at the D SUB connectors Main and AV PCBoard are removed 1 2 5 3 4 ...

Страница 19: ...Chapter 2 2 8 6 Balast Unit Step Figure Explanation Remove four screws Remove four plastic rivets Balast is removed 3 1 2 4 ...

Страница 20: ...Chapter 2 2 9 7 Main Power Unit Step Figure Explanation Remove two screws Main Power Unit is removed 8 Exhaust Fan Remove a screw Remocon Reciever is removed Exhaust Fan is removed 2 2 4 3 1 1 ...

Страница 21: ...Chapter 2 2 10 9 Intake Fan Remove a screw Intake Fan is removed 10 Thermal Switch Step Figure Explanation Remove two screws Thermal Switch is removed 2 2 1 1 ...

Страница 22: ...2 11 Chapter 2 11 Optical Block Step Figure Explanation Remove four screws Optical Block is removed Remove two screws Lamp Fan is removed 1 4 2 3 ...

Страница 23: ...re you download is bundled into one MSI file Double click the file to install the signal generating software The Install Wizard appears ready to begin the install process Click the next button Chapter 3 Install the Software on the Computer ...

Страница 24: ...er 3 3 2 The Select Installation Folder dialog box appears Navigate to the location where you stored the software files Click the next button The confirm Installation dialog box appears Click the next button ...

Страница 25: ...Chapter 3 3 3 The Installing software dialog box appears The Installation Complete dialog box appears Click the close button ...

Страница 26: ...pen Windows Exploler navigate to the location where you stored the files Then double click the SINGOWS2000 EXE Moreover even if it chooses the shortcut of the All programs of start it can startup Startup the Software ...

Страница 27: ...The software you download is bundled into setup exe file Double click the file to install the software The Install Wizard appears ready to begin the install process Click the next button Chapter 4 Install the Software on the Computer ...

Страница 28: ...Chapter 4 4 2 Read the License Agreement Choose the radio button of I accept and agree to be Click the next button Click the next button ...

Страница 29: ...Chapter 4 4 3 Click the next button Click the next button ...

Страница 30: ...Chapter 4 4 4 Click the finish button Click the Yes button to reboot ...

Страница 31: ... on the projector Then plug the RS232C connector on the other end of the cable into a RS232C port on the computer Open Windows Explorer navigate to the location where you stored the FlashDeviceParameters txt file Copy to C Program Files DLP composer Lite 7 2 folder Upgrade the software ...

Страница 32: ...Chapter 4 4 6 Double click Execute the icon of DLP Composer TM Lite 7 2 The DLP Composer TM Lite 7 2 dialog box appears ...

Страница 33: ...Chapter 4 4 7 Click Edit and Preferences Select Communications and Serial Port Select COM1 Select the port which you use ...

Страница 34: ...Chapter 4 4 8 Click Configure button and change the Timeouts Read and Write values from 2000 to 10000 Click OK button Choose Flash Loader ...

Страница 35: ...ange the value Skip Boot Loader Area from 16KB to 32KB As for this operation the data of User Logo is erased Important matter If the value of Skip Boot Loader Area is not changed the projector will not operate normally ...

Страница 36: ...Chapter 4 4 10 Enter range of Image Data to be updated in Hex is clicked when holding the data of User Logo And enter the values Start 0x8000 End 0X005FFFFF Next operation is the same ...

Страница 37: ...s Service two keys TDP ST20 Press and hold the projector s Keystone and Auto set keys TDP EX20 EW25 Then plug in the power cord and turn on power switch When the projector enters the firmware upgrade mode LAMP ON Standby and TEMP LED blinks RED in order Click Start Download button Click Yes button ...

Страница 38: ...xt is not copied the following dialog box will appear When a computer begins downloading the upgrade files to the projector the following status bar progresses When RS232C terminal of PC is used the firmware upgrade will take about 20 minutes ...

Страница 39: ...4 13 Chapter 4 When the upgrade finishes normally the following Download Complete message appears Click X button to finish ...

Страница 40: ...ler of projector press the MENU key to display the menus 3 Press button Right or Left arrow to highlight Setting display 4 The Setting display dialog box display the software version These should match the upgrade version you downloaded Confirm the software upgrade ...

Страница 41: ...5 1 Chapter 5 Wiring Diagram Chapter 5 ...

Страница 42: ...Chapter 5 5 2 BLOCK DIAGRAM 1 2 Block Diagram ...

Страница 43: ...5 3 Chapter 5 Block Diagram 2 2 ...

Страница 44: ...curs after about one minute of abnormal display the projector turns to the standby state waiting for internal cool down L LAMP O ON Standby T TEMP FAN1 Z102 FAN2 Z101 FAN2 Z102 FAN4 Z100 Chapter 6 LED Display Problems Shown on LED Indicator Combination ...

Страница 45: ...some fans are running Lamp or projector shuts off after running a short period of time The projector will not power up only partially power up or will not remain powered up What is the problem No stand by LED Check the voltage of PJ100 Power IN at Main board And also check the voltage of CN201 Power Out at Power Supply when it removes the cable from Main board Check the Power cord andAC power outl...

Страница 46: ...y certain that the lamp is not the problem Replace the lamp Lamp or projector shuts off after running a Short period of time No Yes Replace the Main Board Replace the broken fan Check the error code log at service mode When there is the error code refer to the LED error List Problem resolved Yes No Replace the power supply Replace the ballast No Yes Check the color wheel motor cable and color whee...

Страница 47: ...urce signalAre good No image at all Vertical or horizontal lines Sparkle picture Clusters of dark pixels Dim image Bad or missing tint or color Missing logo VGA composite Video or S video Distorted image noisy rolling torn frozen Plaid repeated or shifted image No image at all Vertical or horizontal lines Sparkly picture Clusters of dark pixels Replace the Main Board Yes No Problem resolved Replac...

Страница 48: ...image or shifted image Make sure cables are good Check the color wheel delay index value in the service mode Yes No Problem resolved Replace the Main Board Substitute known good lamp Substitute known good Main board No Replace the optical engine Yes Replace the lamp Yes Replace the Main Board Image brighter Image brighter Image good ...

Страница 49: ...ker Replace the speaker Check the speaker resistance Problem resolved Yes Replace the Main board No Yes No Verify that audio signal source and cables are good Problem resolved Yes Connect a known good 16 ohms speaker in the place of the existing speaker Problem resolved Audio sounds scratchy or distored Replace the Main board Troubleshooting Audio Problems Is audio OK Does it measure around 16 ohm...

Страница 50: ...e Main board Substitute a known good Main board Replace the Main board Replace the key board No Yes Infrared Remote Problem Problem resolved Problem resolved Replace the key board Yes Troubleshooting Remote Controller Problems Does the remote work Does the remote work Troubleshooting Keypad Problems Is a known good Key B available for substitution Does the projector Respond the key presses Does th...

Страница 51: ...tton on both the remote and keypad If the remote works and the keypad doesn t go to Troubleshooting Keypad problems Flash or re flash the latest software into the projector If the keypad works and the remote doesn t go to Troubleshooting remote control problems Problem resolved Yes Troubleshooting Menu Problems Does the menu appear Does the menu appear ...

Страница 52: ...at abnormal conditions CN101 is connected thermo sensing element ex Thermal protector Power Supply is operated by CN101 shorted condition 2 Power Factor Control Circuit This circuit has 5 functions as below A To generate stable voltage B To reduce input harmonic currents C Over current protection D Over voltage protection E Inrush current suppression circuit A Generate stable voltage This circuit ...

Страница 53: ... This circuit is to reduce big charge current through P2 lamp drive Ballast power supply and Charge current C114 atAC input timing 3 Switching Converter The main parts of switching converter are transformer T101 switching MOS FET Q3 MC102 and output diode D201 D202 This converter is Fly Back type This means that energy is transferred from the primary to secondary when Q3 MC102 is off The main outp...

Страница 54: ...ower supply is shut down Latch e Over Heat Protection Over heat protection is detected Soldering parts temperature of Q1 Q2 MC102 by TH102 At abnormal condition ex Over load or fan lock when over temperature from setting temperature power supply shall be shut downed 5 Secondary rectifier circuit The cathode voltage of D202 is pulsating D202 C203 and C204 which smooth out the pulsation to make a ri...

Страница 55: ...Chapter 6 6 12 ...

Страница 56: ...Chapter 6 6 13 ...

Страница 57: ...msi Installer and V_Ramp bmp Bitmap file 3 Cables RGB Cable 4 Remote controller For connection and setting of Personal computer 1 Connection of personal computer Connect the PC to computer input as shown in following Fig 1 2 Set the screen resolution and refresh rate to XGA 1024x768 60Hertz Set RGB output of the PC to CRT Chapter 7 Preparation Fig 1 ...

Страница 58: ...oard Optical Engine DMD Chip DMD Socket DMD Board Color Wheel C W Sensor Board Adjustment is needed Check and adjust if necessary Not necessary SAVE DATA to EEPROM Common on all adjustment Press the buttons of remote controller ENTER 4 times RETURN 4 times ENTER 4 times and RETURN 4 times When these operations are accepted all LED s light orange Adjustment Points vs Part Replaced ...

Страница 59: ...e status After the projector has entered to the Service Mode press the buttons of remote controller ENTER 8 times and RETURN 8 times Then the following display appears If it doesn t appear repeat from the beginning This service mode maintains until you turn off the Main power switch FAN1 is Z102 Service part location No FAN2 is Z101 FAN3 is Z103 FAN4 is Z100 Temp1 is Intake temperature at Sensor B...

Страница 60: ... of remote controller ENTER 12 times and RETURN 4 times Then the following display appears Select C W index delay by pressing Down button Start the signal generating software SINGOWS2000 exe the following signal pattern appears and click PIC button ...

Страница 61: ...Chapter 7 7 5 The following Picture dialog box appears Select the downloaded file of V_Ramp bmp Click ENTRY button Double click the V_Ramp window the following V Ramp signal appears ...

Страница 62: ...mized and the value is referred to A STEP 2 Check on red and blue Read the other side value when the horizontal stripes EX Fig 3 is minimized and it is referred to as B STEP 3 Adjust the value to final adjustment value Final adjustment value A B 2 EX Fig 4 Then press Esc key of PC and click EXIT button of picture dialog box for next adjustment Fig 2 Fig 3 Fig 4 ...

Страница 63: ... screen to avoid the error Select Sub contrast by pressing Up button Press Enter button of remote controller Press the buttons of remote controller ENTER 12 times and RETURN 4 times When the adjustment is successfully completed values changes from default 64 Example The following menu If it fails values don t change from default 64 ...

Страница 64: ...d under 1 000m 3 281ft The value 2 is more than 1 000m 3 281ft and under 1 500m 4 921ft The value 3 is more than 1 500m 4 921ft and under 2 000m 6 562ft The value 4 is more than 2 000m 6 562ft and under 2 500m 8 202ft The value 5 is more than 2 500m 8 202ft and under 3 000m 9 843ft The value 6 is more than 3 000m 9 843ft For example in case of 2 700m altitude set the value to 5 Press Return button...

Страница 65: ...lso have a Composite video port RCA Toshiba strongly suggests you use a DVD player to test the Video quality DVD players reproduce colors better and project Sharper images The least preferable is a VCR If you must use a VCR make sure you use a commercially produces recoding not one recorded from a broadcast source The VCR must include an S Video connector in addition to a composite connector Comme...

Страница 66: ...o connector Verify that the video automatically synchronizes Verify there is no distortion noise or other abnormalities Image keystone adjustment Connect a video source to the projector Verify that image responds properly when You adjust the keystone setting Audio from audio source Connect the audio cable to the projector Verify that audio source plays through the projector s speaker Verify that t...

Страница 67: ...ly through the computer 1 input Verify that image focuses through the full zoom range Verify there are no problems Color Wheel Index Delay SINGOWS2000 Color bar image Verify that the image synchronizes properly through the computer 1 input Verify that the color is located in a line Verify there are no problems ...

Страница 68: ... the computer 1 input Verify there are no problems System Reset On the keypad press the Menu key Navigate through the basic menu to the default setting menu Select Reset all Verify that the image synchronizes after system reset Power Down After all tests are complete turn the power off and disconnect all cables Attach the lens cap Verify unit is powered off before disconnecting cables ...

Страница 69: ...9 1 Chapter 9 Spare Parts List Exploded View Chapter 9 ...

Страница 70: ...9 2 Chapter㧥 Exploded View E500 Optical Block ...

Страница 71: ...Chapter㧥 9 3 U002 Door Switch Intake Sensor U003 Lens Cover U004 MJ02 Thermal Switch U005 Exhaust Sensor U006 Remocon Reciever Other Parts ...

Страница 72: ...STEP DOWN CONVERTER 29 IC102 IC 2507605 0001 IMAGE PROCESSOR 30 IC103 IC BD87A29FVM TR 31 IC105 IC CDCDLP223PWR CLOCK GENERATOR 32 IC106 IC CDCD5704PWR CLOCK GENERATOR 33 IC107 IC BR24L16F WE2 34 IC108 IC K4S641632K UC75000 64 1X16X4BANKS MBIT SDRAM 35 IC109 IC M29W640FB70N6E 64M 4MX16 BIT FLASH MEMORY 36 IC110 IC K4Y50084UE JCB3000 512M 16MX8X4BANKS BIT 37 IC1100 IC PNA4612MO1TH 38 IC111 IC 25065...

Страница 73: ...M675 70 P850 P0WER UNIT LAMP RPB 7489KC 71 U001 PC BOARD ASSY MAIN 72 U002 PC BOARD ASSY DOOR SWITCH 73 U003 PC BOARD ASSY LENS COVER 74 U004 PC BOARD ASSY SENSOR FW1S12 75 U005 PC BOARD ASSY SENSOR FW1S22 76 U006 PC BOARD ASSY REMOCON RECEIVER FW1RE2 77 U007 PC BOARD ASSY ANNTENA FW1AN2 78 U008 PC BOARD ASSY AV FW2AV2 79 U010 PC BOARD ASSY KEY FW2KY2 80 Y202 MANUAL OWNERS MANUAL TDP ST20 OWNERS M...

Страница 74: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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