Toshiba TLP-X4500 Service Manual Download Page 16

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TLP-X4500(P5XMLA)

Picture is not displayed when
the RGB signal is input

Are signal

input at each pin on the

PWB assembly

Drive?

PWB assembly Signal

IC (IS01)
EL4332CS

PWB assembly Drive

LCD panel

YES

Check at operating mode

TPX29 : R signal
TPX26 : G signal
TPX23 : B signal
TPX20 : H sync
TPX19 : V sync

Power unit

(circuit)

Change the

IS01 on the PWB
assembly Signal.

Is it repaired?

YES

Are voltage input

at each pin on the PWB

assembly Drive?

: +16.5V
: +15V
: +4V
: +6V

E800
E800
E800
E800

1
4
6

Power unit (circuit)

YES

Are voltage

input at each pin on

the PWB assembly

Drive?

Are signal

input at these

pins of EV01 on the

PWB assembly

Drive?

YES

PWB assembly Signal

PWB assembly Drive

Check at operating mode

CHV29 : VIDEO (Composite)
CHV28 : S-VIDEO (Y)
CHV27 : S-VIDEO (C)
CHV34 : Component (Y)
CHV35 : Component (Cb)
CHV36 : Component (Cr)

Picture is not displayed when the VIDEO,
S-VIDEO, Component Signal is input

: +16.5V
: +15V
: +4V
: +6V

E800
E800
E800
E800

1
4
6

Summary of Contents for TLP-X4500

Page 1: ...SERVICE MANUAL FILE NO 330 200404 3LCD PROJECTOR TLP X4500 Document Created in Japan Jul 2004 ...

Page 2: ...aust fan during operation 5 The LCD module assembly is likely to be damaged If replacing to the LCD LENS PRISM module assembly do not hold the FPC of the LCD module assembly 6 Use the cables which are included with the projector or speciﬁed Service Warning 1 Features 2 2 Speciﬁcations 2 3 Names of each part 3 4 Adjustment 5 5 Troubleshooting 12 6 Service points 18 7 Wiring diagram 29 8 Disassembly...

Page 3: ...5i 576i 750p 720p 1125i 1080i Y 1 0Vp p 75Ω terminator RCA jack BNC CB CR 0 7Vp p 75Ω terminator RCA jack BNC PB PR 0 7Vp p 75Ω terminator RCA jack BNC AUDIO IN L 200mVrms 57kΩ max 3 0Vp p RCA jack 2 R Signal output RGB OUT Video Analog 0 7Vp p 75Ω output impedance positive H V sync TTL level positive negative Composite sync TTL level D sub 15 pin shrink jack AUDIO OUT 0 200mVrms output impedance ...

Page 4: ...port 7 REMOTE CONTROL port 8 DC OUT port 9 AC Inlet 10 Power switch Projector Front Right Projector Rear Left 1 2 3 5 6 4 9 10 ENTER INPUT M1 D RGB BNC S VIDEO STANDBY ON TEMP VIDEO COMPONENT LAMP KEYSTONE SEARCH RESET MENU FOCUS LENS SHIFT ZOOM Control Panel STANDBY ON button and STANDBY ON indicator TEMP indicator LAMP indicator LENS SHIFT buttons INPUT dial SEARCH button M1 D indicator RGB indi...

Page 5: ...t the Laser pointer WARNING The laser pointer of the remote control is used in place of a ﬁnger or rod Never look directly into the laser beam outlet or point the laser beam at other people The laser beam can cause vision problems CAUTION Use of controls or adjustments or performance of procedures other than those speciﬁed herein may result in hazardous radiation exposure STANDBY ON VID EO LA SE R...

Page 6: ...t an image with more than 1m 40 type in diagonal size 3 Shift the Lens to the highest position with the LENS SHIFT button 4 Normalizing the video adjustment Press the MENU button of the Remote control transmitter to display the MAIN menu After pressing the key use the or key to select RESET Reset menu will appear by the key then choose EXECUTE Next open the PICTURE1 menu Choose RESET and perfom EX...

Page 7: ... V COM G in the FACTORY MENU to adjust the G color flicker 4 In the same way use DAC P V COM B in the FACTORY MENU to adjust the B color flicker 4 2 Ghost adjustment Signals for internal adjustment 30 30 112 255 0 255 Adjustment procedure 1 Use DAC P GHOST R in the FACTORY MENU to adjust so that R color ghost is at a minimum Set the adjustment value to default and then raise the value When a ghost...

Page 8: ...MA SB CNT R and B in the FACTORY MENU so that middle brightness white balance is best 9 Repeat steps 7 to 8 above and adjust so that brightness white balance of 29 steps is best 4 4 NRSH adjustment vertical stripe adjustment Signals for internal adjustment 192 255 168 255 144 255 120 255 96 255 72 255 48 255 24 255 Adjustment procedure 1 Make this adjustment after completing the adjustment in 4 3 ...

Page 9: ...of the points starting in order from the low numbers 5 Adjustment point No 1 should not be adjusted because it controls the brightness of the entire screen 6 To temporarily turn correction off place the cursor on C UNIF in the Adjust Tone menu and press the key The ON OFF menu appears Place the cursor on ON with the key and press the key To turn it on again place the cursor on OFF and press the ke...

Page 10: ...o 2 R and B so that the coordinates are as follows x x1 0 005 y y1 0 010 9 Similarly measure adjustment points No 3 to No 17 and adjust their color coordinates starting in order from the small number points This completes adjustments required for MIN Note Since excessive correction may lead to a correction data overview during internal calculations use the following values for reference No 2 to No...

Page 11: ...ast makes it easy to see color shading 7 Next view measurement points No 4 No 5 No 12 No 13 and make similar adjustments 8 Then adjust measurement points No 6 No 7 No 8 No 9 No 14 No 15 No 16 and No 17 This completes the MIN tone adjustments 9 Make similar another three tones as described in steps 1 to 8 above 8 3 16 17 9 11 6 14 2 12 15 13 10 7 4 1 5 8 3 16 17 9 11 14 12 15 13 10 4 1 5 6 2 7 8 3 ...

Page 12: ...econds or more 3 Press the button Next press the button to select EXECUTE The adjustment program runs automatically 4 After the massage of END is displayed check the Offset value displayed according to the following spec Spec 10 Offset 65 5 If out of spec confirm the below conditions Then retry the same adjustment Description a Installing the air filter correctly b No obstruction and dust on air f...

Page 13: ... E804 E811 E800 E805 E809 E303 E302 E304 TSW IS01 PWB assembly SENSOR TH950 PWB assembly DRIVE PWB assembly SIGNAL PWB assembly KEYBOARD TXP29 TXP26 TXP23 TXP20 TXP19 SPEAKERS DK53 DK52 Q801 Collector TP FS2 TP FS CHV35 CHV36 CHV29 CHV33 CHV26 CHV34 CHV27 CHV28 TEMP SENSOR 5 Troubleshooting Check points ...

Page 14: ...NO YES Disconnect TSW from Power unit circuit And check TSW short or open PWB assembly Drive Short TSW Open Lights What is the state of LAMP indicator DK52 Not light Blinks 1 1 2 4 6 12 Is the LAMP connection OK Set the LAMP again Is the voltage at pin and of E807 same NO YES PWB assembly Limit SW PWB assembly Drive Is the LAMP COVER set OK Set the LAMP COVER NG NG Lamp Power unit ballast 1 2 ...

Page 15: ...ctor of Q801 on the PWB assembly Drive fixed to L during warming up L 0V DC FAN Measure the voltage at each pin Set AC to ON and enter standby status The voltage is H 3 3V H 3 3V H 3 3V Measure sure voltage at TP FS and or TP FS2 on the PWB assembly Drive Turn on the power supply and check the voltage Check the fan connector connection Connector connection Normal OK NG Is the voltage at pin of E80...

Page 16: ...epaired YES NO NO YES Are voltage input at each pin on the PWB assembly Drive 16 5V 15V 4V 6V E800 E800 E800 E800 1 4 6 12 Power unit circuit NO YES Are voltage input at each pin on the PWB assembly Drive Are signal input at these pins of EV01 on the PWB assembly Drive NO YES PWB assembly Signal PWB assembly Drive Check at operating mode CHV29 VIDEO Composite CHV28 S VIDEO Y CHV27 S VIDEO C CHV34 ...

Page 17: ...ance Are voltage input at each pin on the PWB assembly Drive CHV26 Audio L CHV33 Audio R 16 5V 15 0V 4 0V 6 0V 6 0V E800 E800 E800 E800 E811 1 1 4 6 12 The check after parts change 1 PC power supply OFF 2 Connection of cable 3 Projector starting 4 PC starting When not operating PC set up change of cable Can not control to RS 232C PWB assembly Drive NO YES NO YES Use cross cable Check the RS 232C c...

Page 18: ... with manual operation Is the DHCP in the NETWORK menu set to TURN ON NO NO Is the computer connected with the projector directly Is either IP ADDRESS or SUBNET MASK in the NETWORK INFORMATION menu set to 0 0 0 0 If SUBNET MASK is 255 255 255 0 are xxx yyy zzz portion of IP ADDRESS setting of computer and projector same PWB assembly Drive YES YES Is there DHCP server on the network which the Proje...

Page 19: ...free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead free solder is higher than leaded solder Use a soldering iron that maintains a high stable temperature large heat capacity and that allows temperature adjustment ac...

Page 20: ...ich could result in ﬁre injury and or pollution of the surrounding environment Keep a battery away from children and pets Use only the battery speciﬁed two AA batteries Do not mix new battery with used one Make sure the plus and minus terminals are correctly aligned when loading the battery as indicated in the remote control Dispose of batteries in accord with environmental laws 1 Remove the batte...

Page 21: ...ossible memo When you replace the lamp please replace also the air filter 1 Turn off the projector and unplug the power cord Allow the lamp bulb to cool for at least 45 minutes 2 After making sure that the projector has cooled adequately remove the filter cover and air filter 3 Apply a vacuum cleaner to the top of the filter cover and the air filter to clean If the soiling will not come off the ai...

Page 22: ...our eyes or mouth Before replacing the lamp make sure the power switch is off and the power cable is not plugged in then wait at least 45 minutes for the lamp to cool sufﬁciently Handling the lamp while hot can cause burns as well as damaging the lamp Do not open the lamp cover while the projector is suspended from above This is dangerous since if the lamp s bulb has broken the shards will fall ou...

Page 23: ... operation within 10 minutes of switching power on memo Incorrectly resetting of the lamp timer resetting without replacement or neglect of resetting after replacement will result in incorrect message functions CO LAMP PC Lamp cover Lamp cover knob Tabs Screws 6 6 Lens WARNING Before replacing the projector lens be sure to read this manual the User s Manual Safety Guide and the Optional Lens User ...

Page 24: ...s 2 Do not touch the terminals 3 Do not pull the wires 5 Mount the replacement lens 1 Align the red mark on the lens with the red mark on the lens holder and insert the lens into the holder 2 Turn the lens clockwise until a click is heard Attach the lens so that the red mark on the lens and the green mark on the holder are aligned 3 Confirm that the lens is securely locked 4 After replacing the le...

Page 25: ...g benzene and paint thinner Do not use aerosols or sprays Do not polish or wipe with hard objects Caring for the inside of the projector In order to ensure the safe use of your projector please have it cleaned and inspected by your local dealer about once every 2 years Caring for the lens 1 Turn off the projector and unplug the power cord 2 Lightly wipe the lens with a commercially available lens ...

Page 26: ...gnal processing To avoid such phenomena AUTO function should be used with the full size picture that has bright tone on its peripheral Note 1 The phenomenon at the failure of AUTO adjustment depends on resolution of input source scene of picture etc 2 There is no failure above in AUTO with video source through VIDEO S VIDEO or COMPONENT input The reason is why recognition of input signal s standar...

Page 27: ...temperature exceed 35 C CLEAN THE AIR FILTER POWER OFF FIRST THEN CLEAN THE AIR FILTER AFTER CLEANING THE AIR FILTER RESET THE FILTER TIMER It is time to clean the air ﬁlter Please immediately turn the power OFF and clean or change the air ﬁlter by referring to the Air Filter section of this manual After you have cleaned or changed the air ﬁlter please be sure to reset the ﬁlter timer If the same ...

Page 28: ...air ﬁlter dirty Does the peripheral temperature exceed 35 C If the same indication is displayed after the treatment please change the lamp by referring to the section Lamp Lighting or blinking in red Blinking in red Turned off Either there is no lamp and or lamp cover or either of these has not been properly ﬁxed Please turn the power off and allow the unit to cool down at least 45 minutes After t...

Page 29: ...utton TURN OFF Select the TURN OFF on the OSD using button 3 The OSD will be ended by no operation for 10 seconds or change of input signal To end immediately use one of buttons except buttons 6 12 Set operating time display method accumulated lamp time display method 1 Select OPTION from the MENU display then select LAMP TIME 2 Press the RESET button once then press KEYSTONE for 3 seconds or more...

Page 30: ...as not to compromise the connectors CNPW1 CNPW2 TSW CN102 CN103 CN104 Be careful not to lift the connectors in the three spots as depicted in the illustration at left The connections have become compromised Example of compromised connections 2 Wiring of the ballast board for assembling the ballast board sub assembly Lamp leads CNBAR Pass the CNBAR cable through the notch in the ballast holder Conn...

Page 31: ...rd Make sure that the CNBAR does not droop on top of the ballast board Maintain a safe distance Prevents the CNBAR from coming into contact with the fan blades Make sure that the lines do not protrude from the notch of the ballast cover Prevents tangling Pull the CNPWR cables to the left in the direction of the arrow in the diagram below when placing the ballast board on top of the power board The...

Page 32: ...t They need to be configured so that they do not catch on the lens or the motor s gears Connect the cable end that is closest to its binding Tapes to the connector beside the lens Do not stress the flexible cable for the lens when wiring the CNLS cable TAP2 680 Lamp fan Protruding part Cover the protruding portion of the clasp with tape As per the assembly diagram Pass the CNLC cable underneath th...

Page 33: ...the side of the power block as per the diagram Wire the lamp leads by passing them underneath the lamp housing Secure the connectors for the lamp leads to the lamp housings When doing so pay attention to the polarity of the connectors If the lamp leads are too long push the surplus length up into the empty space beneath the connectors Wiring diagram 4 P5XMLA Lamp lead ...

Page 34: ...hrough the notch in the ballast holder Before attaching the exhaust fan duct send the TSW leads from the side behind the duct install the TSW first then the fan duct Surplus leads cannot be left inside the duct so pass them through the side of the ballast holder Verify the type of TSW and install it so that stamped designation is visible YS11A120A Push the TSW lamp temperature switch into its fitt...

Page 35: ... to the EW51 connector Drive board Connect the flexible cables for the red green and blue panels to their respective P501 601 and P701 connectors CNTH Connect the CNTH cables to the E302 connector 3054 Connect the 3054 fan leads to the E809 connector CNBAR Connect the CNBAR cable to the E805 connector CNPW1 CNPW2 Connect the CNPW1 cable to the E800 connector Connect the CNPW2 cable to the E811 con...

Page 36: ... cables under the drive board so that they do not get caught when attaching the upper case Push any surplus length of cables under the drive board so that they do not get caught when attaching the upper case CNSW2 CNSW1 CNTH 3054 E303 E304 Connect the CNSW1 and CNSW2 cables to the E303 and E304 connectors of the drive board with the upper case in an upright position Upper case Keypad panel board W...

Page 37: ...36 TLP X4500 P5XMLA 8 Disassembly diagram M Meter screw T Tapping screw ...

Page 38: ...37 TLP X4500 P5XMLA M Meter screw T Tapping screw ...

Page 39: ...onnect the all cables from connectors on it 2 Lift up the Drive board straightly to disconnect two board to board connectors on the opposite side of it after taking off the screws of it Board to board connectors PWB assembly Drive When removing the optical unit move it it the direction of the arrow so that the protuberance of the optical unit fan does not become caught in the indentation in the bo...

Page 40: ...SY CONTROL BUTTON ASSY LENS CAP ASSY D SUB SCREW DC FAN INTAKE DC FAN EXHAUST DC FAN PANEL G DC FAN PANEL B DC FAN PANEL R DC FAN LAMP PLASTIC RIVET FILTER FRAME ASS Y DICHROIC OPTICS UNIT SHIFT MECH MOT ASSY PJ LENS MOT ASSY PWB ASS Y DRIVE PWB ASS Y SIGNAL PWB ASS Y KEYBOARD PWB ASS Y REMOTE CONT PWB ASS Y SW PWB ASS Y SENSOR PWB ASS Y DUST SENSOR 31 32 33 34 35 36 37 38 39 40 41 42 43 44 CK3160...

Page 41: ... 4 5 6 7 8 9 CD RD TD DTR GND DSR RTS DTS RI Projector RS 232C cross cable Computer 6 7 8 9 5 4 3 2 1 9 8 7 6 1 2 3 4 5 6 7 8 9 5 4 3 2 1 9 8 7 6 1 2 3 4 5 Communications setting 19200bps 8N1 1 Protocol Consist of header 7 bytes command data 6 bytes 2 Header BE EF 03 06 00 CRC_low CRC_high CRC_low Lower byte of CRC flag for command data CRC_high Upper byte of CRC flag for command data 3 Command da...

Page 42: ...Decrement command 1 The computer sends the decrement code Header Command data 05H 00H type 2 bytes 00H 00H to the projector 2 The projector decreases the setting value on the above setting code 3 The projector returns the response code 06H to the computer When the projector cannot understand the received command When the projector cannot understand the received command the error code 15H is sent b...

Page 43: ...6 00 00 70 00 00 Contrast Get BE EF 03 06 00 FD D3 02 00 04 20 00 00 Increment BE EF 03 06 00 9B D3 04 00 04 20 00 00 Decrement BE EF 03 06 00 4A D2 05 00 04 20 00 00 Contrast Reset Execute BE EF 03 06 00 A4 D2 06 00 01 70 00 00 Aspect Set 4 3 BE EF 03 06 00 9E D0 01 00 08 20 00 00 16 9 BE EF 03 06 00 0E D1 01 00 08 20 01 00 SMALL BE EF 03 06 00 FE D1 01 00 08 20 02 00 NORMAL BE EF 03 06 00 5E DD ...

Page 44: ... 30 02 00 CUSTOM BE EF 03 06 00 07 FD 01 00 A1 30 10 00 Get BE EF 03 06 00 F4 F0 02 00 A1 30 00 00 Custom Gamma Get BE EF 03 06 00 08 F1 02 00 A0 30 00 00 Increment BE EF 03 06 00 6E F1 04 00 A0 30 00 00 Decrement BE EF 03 06 00 BF F0 05 00 A0 30 00 00 Custom Color Temp Set USER BE EF 03 06 00 3B F8 01 00 B0 30 10 00 HIGH BE EF 03 06 00 0B F5 01 00 B0 30 03 00 MIDDLE BE EF 03 06 00 9B F4 01 00 B0 ...

Page 45: ...00 00 Decrement BE EF 03 06 00 F2 D3 05 00 06 20 00 00 Color Balance B Reset Execute BE EF 03 06 00 D0 D3 06 00 06 70 00 00 Sharpness Get BE EF 03 06 00 F1 72 02 00 01 22 00 00 Increment BE EF 03 06 00 97 72 04 00 01 22 00 00 Decrement BE EF 03 06 00 46 73 05 00 01 22 00 00 Sharpness Reset Execute BE EF 03 06 00 C4 D0 06 00 09 70 00 00 Color Get BE EF 03 06 00 B5 72 02 00 02 22 00 00 Increment BE ...

Page 46: ...06 00 F7 70 04 00 09 22 00 00 Decrement BE EF 03 06 00 26 71 05 00 09 22 00 00 Over Scan Reset Execute BE EF 03 06 00 EC D9 06 00 27 70 00 00 Color Space Set AUTO BE EF 03 06 00 0E 72 01 00 04 22 00 00 RGB BE EF 03 06 00 9E 73 01 00 04 22 01 00 SMPTE240 BE EF 03 06 00 6E 73 01 00 04 22 02 00 REC709 BE EF 03 06 00 FE 72 01 00 04 22 03 00 REC601 BE EF 03 06 00 CE 70 01 00 04 22 04 00 Get BE EF 03 06...

Page 47: ...30 03 00 White BE EF 03 06 00 6B D0 01 00 00 30 05 00 Black BE EF 03 06 00 9B D0 01 00 00 30 06 00 Get BE EF 03 06 00 08 D3 02 00 00 30 00 00 Blank on off Set TURN OFF BE EF 03 06 00 FB D8 01 00 20 30 00 00 TURN ON BE EF 03 06 00 6B D9 01 00 20 30 01 00 Get BE EF 03 06 00 C8 D8 02 00 20 30 00 00 Startup Set My Screen BE EF 03 06 00 CB CB 01 00 04 30 20 00 Original BE EF 03 06 00 0B D2 01 00 04 30 ...

Page 48: ...30 00 00 Freeze Set Normal BE EF 03 06 00 83 D2 01 00 02 30 00 00 Freeze BE EF 03 06 00 13 D3 01 00 02 30 01 00 Get BE EF 03 06 00 B0 D2 02 00 02 30 00 00 Power Set TURN OFF BE EF 03 06 00 2A D3 01 00 00 60 00 00 TURN ON BE EF 03 06 00 BA D2 01 00 00 60 01 00 Get BE EF 03 06 00 19 D3 02 00 00 60 00 00 Example Return 00 00 01 00 02 00 Off On Cool down Input Source Set M1 D BE EF 03 06 00 0E D2 01 0...

Page 49: ...deo BE EF 03 06 00 D6 22 01 00 02 23 01 00 S Video BE EF 03 06 00 26 22 01 00 02 23 02 00 Get BE EF 03 06 00 75 23 02 00 02 23 00 00 Myscreen size Set Full BE EF 03 06 00 43 D6 01 00 12 30 00 00 X1 BE EF 03 06 00 D3 D7 01 00 12 30 01 00 Get BE EF 03 06 00 70 D6 02 00 12 30 00 00 Myscreen Lock Set Off BE EF 03 06 00 3B EF 01 00 C0 30 00 00 On BE EF 03 06 00 AB EE 01 00 C0 30 01 00 Get BE EF 03 06 0...

Page 50: ... EF 03 06 00 FE D4 01 00 1C 20 01 00 Get BE EF 03 06 00 5D D5 02 00 1C 20 00 00 Lens Lock Set TURN OFF BE EF 03 06 00 FF 97 01 00 10 24 00 00 TURN ON BE EF 03 06 00 6F 96 01 00 10 24 01 00 Get BE EF 03 06 00 CC 97 02 00 10 24 00 00 Remote ID Set All BE EF 03 06 00 9F 30 01 00 08 26 00 00 1 BE EF 03 06 00 0F 31 01 00 08 26 01 00 2 BE EF 03 06 00 FF 31 01 00 08 26 02 00 3 BE EF 03 06 00 6F 30 01 00 ...

Page 51: ... PWB SIGNAL PWB SIGNAL SELECTOR R sirocco G sirocco B sirocco Lamp sirocco Power Exhaust VOLUME CONTROL AUDIO_AMP BNC RGB RS 232C DC POWER REGULATOR 0 99 XGA LCD PANEL SW PWB SW MOTOR DAC S P SW SENS PWB X tal Spread S SG 9001 TMDS RECEIVER with HDCP SiI169 DDC Wired RC Image_PROCESSOR MAIN CPU PW463A 10V S H L S L3E06100 MCLK IR RECEIVER IR RECEIVER IR RECEIVER KEYBOARD PWB SDRAM A D PLL AD9888 1...

Page 52: ... ES01 22 RGB B 7 30 MON 2 LOUT 23 GND 8 ESPR 24 GND 9 1 ROUT BNC IN ES02 25 RGB H INV 10 2 ROUT 26 RGB V INV 11 SPEAKER SPEAKER 27 RGB1 2 12 E807 CNLC E941 28 5VST 13 1 OUT 1 PWB 29 5VST 14 2 COVER 2 assembly RGB OUT ES03 30 GND 15 SWITCH 1 GND 16 2 5VST 17 E804 3 5VST 18 1 FAN4S DC FAN 4 RGB1 2 19 2 EXHAUST EXHAUST 5 RGB V INV 20 3 GND 6 RGB H INV 21 7 GND 22 8 GND 23 E809 9 RGB B 24 1 FAN6S DC F...

Page 53: ...52 TLP X4500 P5XMLA 13 Basic circuit diagram Parts with hatching are not mounted ...

Page 54: ...embly DRIVE 4 PWB assembly DRIVE 5 PWB assembly DRIVE 6 PWB assembly DRIVE 7 PWB assembly DRIVE 8 PWB assembly DRIVE 9 PWB assembly DRIVE 10 PWB assembly DRIVE 11 PWB assembly DRIVE 12 PWB assembly DRIVE 13 PWB assembly DRIVE 14 PWB assembly DRIVE 15 PWB assembly DRIVE 16 PWB assembly SIGNAL 1 PWB assembly SIGNAL 2 PWB assembly KEYBOARD PWB assembly DUST SENSOR Basic circuit diagram list ...

Page 55: ...T O S H I B A C O R P O R A T I O N 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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Toshiba TLP-X4500, Service Manual

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