Panasonic PT-VX400U Service Manual
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Panasonic PT-VX400U Service Manual

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PT-VX400U
Model No.
PT-VX400E
PT-VX400EA
© Panasonic Corporation 2011. Unauthorized
copying and distribution is a violation of law.
ORDER NO. VED1108403CE
D10

LCD Projector

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Summary of Contents for Panasonic PT-VX400U

  • Page 1: Lcd Projector

    ORDER NO. VED1108403CE LCD Projector PT-VX400U Model No. PT-VX400E PT-VX400EA © Panasonic Corporation 2011. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    Contents Schematic Diagrams ...........A1 Contents ................ 2 Safety Instructions ............3 Printed Wiring Board Drawings........A7 Safety precautions ............4 Specifications ..............5 Circuit Protections ............7 Thermal fuse (SW902) ..........7 Lamp cover switch (SW901) ........7 Fuse (F601) ..............7 Warning temperature and power failure protection ..

  • Page 3: Safety Instructions

    IMPORTANT SAFETY NOTICE There are special parts used in Panasonic LCD Projectors which are important for safety. These parts are shaded on the schematic diagram. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire, or other hazards.

  • Page 4: Safety Precautions

    <PT-FW430U/PT-FW430E/PT-FW430EA/PT-FX400U/PT-FX400E/PT-FX400EA> Safety Instructions Safety precautions 1. Safety Precautions 1.1. General Guidelines - For continued safety, no modification of any circuit must be attempted. - Unplug the power cord from the power outlet before disassembling this projector. - Use correctly the supplied power cord and must ground it. - It is advisable to use an isolation transformer in the AC power line before the service.

  • Page 5: Specifications

    Specifications Model No. PT-VX400U / E / EA Power supply AC100 V - 240 V 50 Hz/60 Hz 100 V - 240 V 3.8 A-1.8 A 350 W When [Standby mode] of [Setting] is set to [ECO]: 0.48W Power consumption When [Standby mode] of [Setting] is set to [Network]: 10.0W...
  • Page 6 Specifications Model No. PT-VX400U / E / EA 1 (D-sub 15 pin female) 0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 [p-p] 75 Ω [RGB signal] HD/SYNC TTL high impedance, automatic positive/nega- COMPUTER IN 1 tive polarity compatible /COMPONENT IN...

  • Page 7: Circuit Protections

    Circuit Protections This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro- jector, it will automatically turn off by operating one of the following protection circuits. Thermal fuse (SW902) There is a thermal fuse (SW902) inside of the projector to detect the internal temperature rising abnormally.

  • Page 8: Warning Temperature And Power Failure Protection

    Circuit Protections Warning temperature and power failure protection The projector will be automatically turned off when the internal temperature of the projector is abnormally high, or the cooling fans stop spinning, or the power supplies in the projector are failed. LED indicator POWER indicator...

  • Page 9: Maintenance

    Maintenance Before replacing the unit When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect the power plug from the wall outlet. Maintenance n Outer Case Wipe off dirt and dust using a soft dry cloth. •...

  • Page 10: Filter Counter Reset

    Maintenance n Filter counter reset Attention • Turn off the power before you replace the air filter unit. After replacing the filter, be sure to reset the filter coun- • When attaching the air filter unit, make sure that the ter.

  • Page 11: Lamp Unit

    Maintenance n Lamp unit The lamp unit is a consumable component. You can check the total usage time using Lamp runtime in the Information menu. It is recommended to ask an authorized engineer to replace the lamp unit. Contact your dealer. Consult your dealer to purchase a replacement lamp unit (ET-LAV100, dealt as a service parts).

  • Page 12: Replacing The Lamp Unit

    Maintenance Replacing the lamp unit CAUTION: • When the projector is mounted on a ceiling, do not work with your face close to the projector. • Attach the lamp unit and the lamp cover securely. • When you experience difficulty in installing the lamp, remove it and try again. If you use force to install the lamp, the connector may be damaged.

  • Page 13: Warning Message On The Non-Standard Lamp Used

    Maintenance The LAMP REPLACE indicator will light yellow when the total lamp used time (Corresponding value) reaches 3,000 hours. This is to indicate that lamp replacement is required. The total lamp used time is calculated by using the below expression. Total lamp used time (Corresponding value) = normal + eco x 0.67 +...

  • Page 14: Cleaning

    Maintenance Cleaning After long periods of use, dust and other particles will accumulate on the LCD panel, prism, mirror, polarized glass, lens, etc., causing the picture to darken or color to blur. If this occurs, clean the inside of optical unit. Remove dust and other particles using air spray.

  • Page 15: Security Function Notice

    Security Function Notice This projector provides security functions such as "Key lock", "PIN code lock" and "Logo PIN code lock". When the projector has set these security function on, you are required to enter correct PIN code to use the projector. If you do not know the correct PIN code to the projector, the projector can no longer be operated or started.

  • Page 16: Standby Mode Notice

    Standby Mode Notice This projector provides 2 types of standby mode, Eco standby and Network standby. According to the standby mode "Eco" or "Network", several functions are restricted as shown in the table below. To change the standby mode, use the projector's menu "Setting".

  • Page 17: Mechanical Disassembly

    Mechanical Disassembly Mechanical disassembly should be made following procedures in numerical or- Screws expression der. (Type ) mm Diameter x Length Following steps show the basic procedures, therefore unnecessary step may T type M Type be ignored. Caution: The parts and screws should be placed exactly the same position as the original otherwise it may cause loss of performance and product safety.
  • Page 18 Mechanical Disassembly 2. Main board, AV board and fans(FN904 and FN905) removal 1. Remove 3 screws-A (T3x8) to remove the fans (FN904 and FN905). 2. Remove 3 screws-B (M2.5x6) and 2 screws-C (M3x8) to remove the main board assy. 3. Release the hooks to remove the AV panel, remove 3 screws-D (T3x6) and 2 hex screws E to remove the AV board.
  • Page 19 Mechanical Disassembly 3. Speaker(SP901), lamp assy(LP900), optical unit removal 1. Remove the 2 screws-A(T3x12) to remove the speaker holder. Remove the 2 screws-B(T3x8) to remove the speaker(SP901). 2. Loosen 3 screws-C to remove the lamp assy (LP900). 3. Remove 4 screws-D (T3x8) to remove the optical unit. 4.
  • Page 20 Mechanical Disassembly 4. Fan (FN906) , thermal fuse (SW902) and power board removal 1. Remove 2 screws-A (T3x8) to remove the cabinet front holder. Remove 1 screw-B (T3x8) to remove the thermal fuse (SW902). 2. Remove 2 screws-C(T3x8) to remove the lamp fan duct assy. 3.
  • Page 21 Mechanical Disassembly 5. Mounting duct, fans(FN901, FN902, FN903) removal 1. Remove 5 screws-A (T3x8) and 2 screws-B (T3x12) to remove the panel mounting duct assy. 2. Remove 2 screws-C (T3x12) to remove fans (FN902 and FN903). 3. Remove 3 screws-D (T3x8) to remove the filter mounting duct and remove 2 screws-E(T3x12) to remove fan (FN901).
  • Page 22 Mechanical Disassembly 6. Cable reforming Reform cables as shown below. Bottom view of the panel mounting duct top Bottom view of the power box To POWER BOARD Hook Ferrite core Fix the ferrite Hook core here. BALLAST BOARD Hook SW902 FN903 FN902 Hook...

  • Page 23: Optical Parts Disassembly

    Optical Parts Disassembly Before taking this procedure, remove Cabinet Top and Main Board following to the “Mechanical Disassembly”. Disassembly requires a 2.0mm hex wrench. 1. LCD panel/prism assy removal 1. Loosen 1 screw (M3x10) from the cabinet bottom side and take the LCD panel/prism assy upward off.

  • Page 24: Projection Lens Removal

    Optical Parts Disassembly 2. Polarized glass(IN) assy removal (M2.5x6)x1 Polarized glass(IN) assy Note on mounting the Polarized glass(IN) assy When mounting the R-Polarized glass(IN) assy and B-Polarized glass(IN) assy, make sure that mounting position of the holder should be center. Fig.2 *Note on handling the polarized glass B-Polarized glass-in is very sensitive parts.
  • Page 25 Optical Parts Disassembly 4. Integrator and condenser lens (OUT) disassembly Marker Prism Beam Splitter (PBS) Light mask Light mask PBS Integrator lens (OUT) Integrator lens-in * Rugged surface * Rugged surface fac- facing to the PBS ing to the lamp. M(2.5x6) (M3x14)x2 (M2.5x6)x2...

  • Page 26: Optical Unit Top Removal

    Optical Parts Disassembly 5. Optical unit top removal Optical top Unhook 7 hooks to remove the Optical Unit Top. Fig.5 6. Relay lens removal M(2.5x6) Relay lens assy Fig.6 Relay lens -26-...

  • Page 27: Locations And Directions

    Optical Parts Disassembly 7. Locations and directions Parts Name When mounting or assembling the optical parts in the opti- Dichroic mirror (B) cal unit, the parts must be mounted in the specified loca- tion and direction as shown in figure below. Dichroic mirror (G) Condenser lens (G) Mirror (R)

  • Page 28: Servicing Notice

    Model no. Model no. setting Group Data Not defined [ (refer t table right) Not defined PT-VX400 0 -> 10 PT-VX400U [ (refer t table right) PT-VX400 PT-VX400E 0 -> 10 PT-VX400EJ [ (refer t table right) PT-VX400U PT-VX400EA 0 -> 10...

  • Page 29: Adjustments

    Adjustments Adjustments after parts replacement ● : Adjustment necessary ❍ : Check necessary Disassembly / Replaced parts Polarized glass LCD/ Condenser Relay Power Main prism assy lens (OUT) lens (OUT) board board Contrast adjustment ❍ ● Optical center adjustment ❍ ●...

  • Page 30: Optical Adjustments

    Optical Adjustments Before taking optical adjustments below, remove the cabinet top following to the “Mechanical Disassembly”. Adjustments require a 2.0mm hex wrench and a slot screwdriver. Note: Do not disconnect connectors on the main board, because the projector cannot turn on due to operate the power failure protection.

  • Page 31: Optical Center Adjustment

    Optical Adjustments Optical center adjustment Take step-z to step-c sequentially for the optical center adjust- ment. [Before Adjustment] - Input a 100% of white raster signal. White z Condenser lens adjustment-1 Loosen 2 screws on the condenser lens (OUT) base and insert a slot screwdriver into the slots and turn it to disappear the color Fig.2...

  • Page 32: Relay Lens Adjustment

    Optical Adjustments x Relay lens adjustment Loosen 1 screw on the condenser lens (OUT) base and insert a slot screwdriver into the slots and turn it to show the color shading Fig.3-1 on the both left and right of the screen as shown in Loosen 1 screw on the relay lens (OUT) base and insert a slot screwdriver into the slots...
  • Page 33 Optical Adjustments c Condenser lens adjustment-2 Loosen 1 screw on the condenser lens (OUT) base and insert a slot screwdriver into the slots and turn it to disappear the color Fig.4 shading on the left and right of the screen as shown in Tighten screw to fix the condenser lens (OUT) unit.

  • Page 34: Electrical Adjustments

    Electrical Adjustments Service adjustment menu operation To enter the service mode MENU button SELECT button To enter the “Service mode”, press and hold the on the projector for more MENU button than 3 seconds or press and hold the on the remote control for more than 20 seconds. The service menu appears on the screen as follows.

  • Page 35: Circuit Adjustments

    Electrical Adjustments Circuit adjustments CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance and product safety. Before adjustment, please turn on the projector for more than ten minutes. WARNING : USE UV RADIATION EYE AND SKIN PROTECTION DURING SERVICING.
  • Page 36 Electrical Adjustments 1. Fan voltage adjustment Below adjustments are performed when the above auto Equipment Digital voltmeter calibration is failed. 1. Enter the service mode. Pedestal adjustment [PC] 2. Adjust the voltage on each test point by changing the Equipment Oscilloscope data values of Group - No.

  • Page 37: Common Center Adjustment

    Electrical Adjustments 3. Auto calibration adjustment [Component] 4. Auto calibration adjustment [Video] Input mode Computer 1 (Component) Input mode Video Input signal 480i component signal Input signal Composite video signal Signal pattern 8 color bar Signal pattern 16-step gray scale 1.
  • Page 38 Electrical Adjustments 6. Gamma correction adjustment 8. Color shading correction adjustment Software PROJECTOR SERVICE TOOL v4.20 Software PROJECTOR SERVICE TOOL v4.20 Signal pattern 6%, 13%, 30%, 60% whole gray Use the software to obtain the proper gray scale of the screen.

  • Page 39: Test Points And Locations

    Electrical Adjustments Test points and locations MAIN BOARD TP35G -39-...

  • Page 40: Service Adjustment Data

    Electrical Adjustments Service adjustment data The adjustment items indicated with “[” are required to readjust following to the “Electrical adjustments”. Other items should be used with the initial data value. Group/ Item Name Function Initial Range Note Item Group 0 AD Converter (PW190) 0 ADC G-OFFSET PC / Component / SCART 128/120/128...
  • Page 41 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 152 PreCoast YCbCr 575i 0 - 63 153 PostCoast YCbCr 575i 0 - 63 154 PreCoast YCbCr 480p 0 - 63 155 PostCoast YCbCr 480p 0 - 63 156 PreCoast YCbCr 575p 0 - 63 157 PostCoast YCbCr 575p 0 - 63...
  • Page 42 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Group Deinterlacer setting Effective only for Progressive ON-L2 mode. Motion Adaptive Weight <KDEINT> 0 - 255 Value 0 : Conservative <====> 4 : 1 Angle Interpolation Level 0 - 4 Aggressive 2 CUE Low Pass Filter Enable <CUELPFEN>...
  • Page 43 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 2 Video Motion Threshold Low <VOFTHRDA> 0 - 32767 Video Motion Threshold <VOFTHRDB> 0 - 32767 High 4 Global Motion Threshold <GMDTHRD> 0 - 1023 Read only value 5 23Film Mode Threshold <FILMTHRD23>...
  • Page 44 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 25 REF_GatePos 0-1023 26 REF_GateDur 0-1023 27 R-BasePos 0-15 28 G-BasePos 0-15 29 B-BasePos 0-15 30 RGB-Adjust Operation STEP=256[0<->256<->51 31 RGB-AdjLv 0-4095 2<->768<->1023] 32 LineR0 0-1023 (MIN<-->MAX Cyclic Operation) 33 LineR1 0-1023 (MIN<-->MAX Cyclic Operation) 34 LineR2...
  • Page 45 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 96 FrontCTalkR-End 0-255 97 FrontCTalkG-Cent 0-2047 98 FrontCTalkG-Start 0-255 99 FrontCTalkG-End 0-255 100 FrontCTalkB-Cent 0-2047 101 FrontCTalkB-Start 0-255 102 FrontCTalkB-End 0-255 103 R-DCOffset-NGain 0-1023 Scan Direction (Front/Rear) 104 R-DCOffset-N1 0-2047 Scan Direction (Front/Rear) 105 R-DCOffset-N2 0-2047...
  • Page 46 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 168 B-DCOffset-PGain 0-1023 Scan Direction (Front/Rear) 169 B-DCOffset-P1 0-2047 Scan Direction (Front/Rear) 170 B-DCOffset-P2 0-2047 Scan Direction (Front/Rear) 171 B-DCOffset-P3 0-2047 Scan Direction (Front/Rear) 172 B-DCOffset-P4 0-2047 Scan Direction (Front/Rear) 173 B-DCOffset-P5 0-2047 Scan Direction (Front/Rear)
  • Page 47 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Group Panel Service(6200) 0 R_LCCOM 0-255 * Common center Adjustmen 1 G_LCCOM 0255 * Common center Adjustmen 2 B-LCCOM 0-255 * Common center Adjustmen 3 R-ENBX-PW 0-15 4 G-ENBX-PW 0-15 5 B-ENBX-PW 0-15 6 R-DXIN...
  • Page 48 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 14 ColorCorrectionTable_R 2048/2048 0 - 4095 AV / PC 15 ColorCorrectionTable_R 2048/2048 0 - 4095 AV / PC 16 ColorCorrectionTable_R 2048/2048 0 - 4095 AV / PC 17 ColorCorrectionTable_G 1612/1612 0 - 4095 AV / PC 18 ColorCorrectionTable_G 1612/1612...
  • Page 49 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Reverse Processing of FLDINVSetting Value 0: Disable - Used FLDINV Setting 2 Field Sense Invert Enable 0 - 1 Value 1: Enable - Used Reversed FLDINV Setting Value 0:Disable (Service Adjustment Dsiable, Used all the Center Values 4 Sub Image Enable 0 - 1...
  • Page 50 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Group FAN Control * Fan volltage adjustment 0 FAN1 MIN ADJUST (DAC) 0-255 1 FAN1 MAX ADJUST (DAC) 0-255 DAC Output for Fan 2 FAN2 MIN ADJUST (DAC) 0-255 Adjust the tolerance of DAC and Fan Volage.
  • Page 51 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 5 High Fan2 Max 9999 6 High Fan3 Min 9999 7 High Fan3 Max 9999 10 Normal Fan Control Min 27/27 26/27 20-100 Temp Temp Sensor Control Start/End Temp at Normal Normal Fan Control Max 32/32 32/32...
  • Page 52 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Black Level Acquiring Area H-Start 0 OFFSET AREA H START 0 - 1000 Position Black Level Acquiring Area V-Start 1 OFFSET AREA V START 0 - 1000 Position White Level Acquiring Area H-Start 2 GAIN AREA H START 0 - 1000 Position...
  • Page 53 Sets R-Turn Gamma if the Value is set to 20. Group Model No.Setting [No NAME] 0 : No Name 1 : PT-VX400 2 : PT-VX400U 3 : PT-VX400E 0 Model No. Confirm 4 : PT-VX400EJ 5 : PT-VX400EA 6 : PT-VX400EAJ 7 : PT-BX40 Model No.
  • Page 54 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 3 V Back Porch 0 ~ 4095 4 Disp Line 0 ~ 4095 Group SCART(480i) 1 Disp Dots 0 ~ 4095 2 H Back Porch 0 ~ 4095 3 V Back Porch 0 ~ 4095 4 Disp Line 0 ~ 4095...
  • Page 55 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 0 Total Dots 2640 0 ~ 4095 * Read only 1 Disp Dots 1870 0 ~ 4095 2 H Back Porch 0 ~ 4095 3 V Back Porch 0 ~ 4095 4 Disp Line 1052 0 ~ 4095...
  • Page 56 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 3 V Back Porch 0 ~ 4095 4 Disp Line 1050 0 ~ 4095 Group RGB Video (1035i) 0 Total Dots 2200 0 ~ 4095 1 Disp Dots 1872 0 ~ 4095 2 H Back Porch 0 ~ 4095 3 V Back Porch...

  • Page 57: Chassis Block Diagrams

    Chassis Block Diagrams Chassis over view -57-...

  • Page 58: System Control

    Chassis Block Diagrams System control IC9883 INVERTER <TC7WH14FU> IC301 SCALER -58-...

  • Page 59: Lamp Control

    Chassis Block Diagrams Lamp control DIM_TX PW_MASTER_SDO DIM_RX PW_MASTER_SDI DIM_SCS PW_MASTER_SCK DIM_SCK DIM_SDO -59-...

  • Page 60: Audio Circuit

    Chassis Block Diagrams Audio circuit -60-...

  • Page 61: Power Supply & Protection Circuit

    Chassis Block Diagrams Power supply & protection circuit S-7V Q5701 IC631 POWER OSC. <MR4010> IC621 P.F.CONTROL D8092/D8093/D8094 <FA5550> IC301 SCALER <PW190> STATUS STAND BY SIGNAL NETWORK LAMP_DC_ON POWER_SW -61-...

  • Page 62: Fan Control Circuit

    Chassis Block Diagrams Fan control circuit C7801 C7804 SUB POWER BOARD K7801 Q7805 Q7811 Q7812 Q7807 TPFANC FN906 FANC IC7841 D3802 Q7842 TPFANA FN901 FANA IC7811 1,14 S16.5V <TPS54286> D3621 D3613 FN902 Q7813 Q7864 Q7814 D3622 FAN_SW3 FN903 Power-On:H D3623 POWER_SW Q7801 FAN_SW1...

  • Page 63: Troubleshooting

    Troubleshooting Indicators and projector condition Each indicator on the projector indicates the operating status of the projector. If you find the un-expected operation during usage, check the projector's operation with the tables below. The indicators also let you know the maintenance sign.

  • Page 64: No Power

    Troubleshooting No power This projector provides a function which can be specified a defective area simply by indicating the LEDs. Connect the AC cord and press the ON/STAND-BY button once and then check the LED indication. - When all of LED indicators are not lighting, the symptom indicates that the primary power supply circuit does not operate properly.

  • Page 65: No Picture

    Troubleshooting No picture Check following steps. No picture with all of Check signal processing stage and LCD driving stage; input sources Check RGB S&H signals at test points TP35B, TP35G, TP35R. Check power supply circuit S16V and peripheral circuit. Check ICs IC501, IC531, IC561, IC401, IC301 and peripheral cir- cuits.

  • Page 66: No Sound

    Troubleshooting No sound Check following steps. Check IC5001 and peripheral circuit. Check if the audio sig- Check the Pins 7 and 32 of IC5001, the voltage is respectively S3.3V nal is observed at pins 19 and 23 of IC5001. and S1.8V. Check IC5002<Audio SW>...

  • Page 67: Control Port Functions

    Control Port Functions Scaler I/O port functions (PW190) PIN NO. PORT NO. SIGNAL NAME DESCRIPTION ON_3.3V 3.3V Power Drive, Power On: H RESET_MIC PW_SCS TXD_PW Serial Control TXD ON_15V 15V Power Driver,Pow on:H MIC_OFF MIC Control, MIC On:H SDATA_PW 3-Wired Serial Control Data PW_NMCLR LAN control SDA2...

  • Page 68: Ic Block Diagrams

    IC Block Diagrams ● FA5550NG <P.F. control, IC621> ● LC87F2G08AUSSOP <Sub CPU, IC9885> -68-...
  • Page 69 IC Block Diagrams ● SP3232ECYP <RS-232C driver, IC3801> ● L3E06200P0A<D/A, S/H-LCD driver, IC501, IC531, IC561> -69-...
  • Page 70 IC Block Diagrams ● L3E07111 <Digital gamma correction, IC401> ● TLV320AIC3105 <Audio control, IC5001> -70-...
  • Page 71 IC Block Diagrams ● PW190 <Scaler, IC301> ● L3E08030F0A <Dimmer control, IC9001> -71-...
  • Page 72 IC Block Diagrams ● MR4010 <Power OSC, IC631> ● AX11005<Netwrok, IC8801> -72-...
  • Page 73 IC Block Diagrams ● TPS54286 <DC-DC converter, IC7811> -73-...

  • Page 74: Cabinet Top/Bottom-1 Assembly

    PT-VX400U / VX400E / VX400EA Parts Location Diagram Cabinet top assembly A1002 RC BOARD Cabinet bottom-1 assembly A1000 MAIN BOARD A1001 SP901 AV BOARD Speaker SW901 Lamp Cover SW FN905 FN904 A604 LP900 SUB POWER BOARD Lamp Asssy A1003 ID CONNECT BOARD...
  • Page 75 PT-VX400U / VX400E / VX400EA Parts Location Diagram Cabinet bottom-2 assembly SW902 Thermal fuse FN906 FN902 FN903 A901 BALLAST BOARD FN901 A630 AC FILTER BOARD Projection lens -75-...
  • Page 76 PT-VX400U / VX400E / VX400EA Parts Location Diagram Integrator lens and condenser lens(out) assembly -76-...
  • Page 77 PT-VX400U / VX400E / VX400EA Parts Location Diagram Polarized glass (OUT) L02-G L02-R * Polarized glass is not removed from the L02-B mounting base. LCD panel/prism assembly -77-...
  • Page 78 PT-VX400U / VX400E / VX400EA Parts Location Diagram Relay lens (OUT) assembly -78-...
  • Page 79 PT-VX400U / VX400E / VX400EA Parts Location Diagram In the optical unit L03-B L03-G L03-R CAUTION: Part must be placed in specified direction when replacing the optical parts. Please see “Optical Parts Disassembly” for further instructions. -79-...
  • Page 80 PT-VX400U / VX400E / VX400EA Parts Location Diagram Accessories (see accessories parts list) REMOTE CONTROL MANUAL CD-ROM VGA CABLE AC CORD FILTER COVER STRAP CARRYING BAG AC LOCK HOLDER AC LOCK STOPPER -80-...

  • Page 81: Mechanical Parts List

    PT-VX400U / VX400E / VX400EA Mechanical Parts List Key No. Part No. Description Key No. Part No. Description M04 610 356 9550 HOLDER INT PBS BTM-KG5AC M05 610 356 9567 HOLDER INT PBS TOP-KG5AC PACKING MATERIALS M06 610 356 9406 LMP_HOUSE-KA2AC M07 610 352 7451 HLD FLT DUCT SD-KA2AC 610 358 2702 CARTON CASE-KA2JC VX400U M08 610 357 9993 HLD FLT DUCT BTM-KA2AC 610 358 2719 CARTON CASE-LA2JC M09 610 352 7482...

  • Page 82: Electrical Parts List

    PT-VX400U / VX400E / VX400EA Electrical Parts List Product safety should be considered when a component replacement is made in any area of a projector. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
  • Page 83 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description Q5032 305 147 2218 TR 2SA1037AK-S-T146 405 220 3016 TR ISA1235AC1F ASSEMBLED BOARDS 305 134 5928 TR 2SA1037AK-T146-R 405 220 3115 TR ISA1235AC1E A1000 655 004 8387 ASSY,PWB,MAIN KA2JC Q5033 305 147 2218 TR 2SA1037AK-S-T146 A1001 655 004 8554 ASSY,PWB,AV KA2JC 405 220 3016 TR ISA1235AC1F 305 134 5928...
  • Page 84 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description IC7811 410 706 4705 IC TPS54286PWPR C1017 303 442 0519 CERAMIC 0.068U K IC7841 309 461 7822 IC PQ20WZ11 303 454 0415 CERAMIC 0.068U K IC8001 409 698 5510 IC SII9127ACTU C1018 303 442 0519 CERAMIC 0.068U K IC801 410 732 0009...
  • Page 85 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 453 8610 CERAMIC 0.1U K 303 453 8610 CERAMIC 0.1U K 303 453 8917 CERAMIC 0.1U K 303 453 8917 CERAMIC 0.1U K C328 303 409 3426 CERAMIC 0.1U K C3051 303 294 6110 CERAMIC 100P J 303 453 8610 CERAMIC 0.1U K...
  • Page 86 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description C3509 303 396 9613 CERAMIC 1U K 303 453 8917 CERAMIC 0.1U K 303 397 7618 CERAMIC 1U K C3584 303 235 1013 CERAMIC 220P J 303 157 4215 CERAMIC 220P J 403 478 5912 CERAMIC 1U K C3598 303 394 5815 CERAMIC 4.7U K...
  • Page 87 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description C3808 303 409 3426 CERAMIC 0.1U K C421 303 282 5118 CERAMIC 470P K 303 453 8610 CERAMIC 0.1U K 303 453 9211 CERAMIC 470P K 303 453 8719 CERAMIC 470P K 303 453 8917 CERAMIC 0.1U K C422 403 455 1012...
  • Page 88 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 397 7618 CERAMIC 1U K 303 433 1112 CERAMIC 1U K 403 478 5912 CERAMIC 1U K C5059 403 455 1012 CERAMIC 1U K 303 433 1112 CERAMIC 1U K C5025 303 396 9613 CERAMIC 1U K C5060 303 368 7319...
  • Page 89 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description C5611 303 398 3312 ELECT 47U M C5864 403 455 1616 CERAMIC 10U K C5612 303 409 3426 CERAMIC 0.1U K C5866 303 396 9613 CERAMIC 1U K 303 397 7618 CERAMIC 1U K 303 453 8610 CERAMIC 0.1U K...
  • Page 90 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 453 8917 CERAMIC 0.1U K C8081 303 368 7319 CERAMIC 10U K 6.3V C8007 303 409 3426 CERAMIC 0.1U K 303 358 3215 CERAMIC 10U K 6.3V C8093 303 379 0217 POS-SOLID 68U M 6.3V 303 453 8610 CERAMIC 0.1U K...
  • Page 91 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description C8823 303 409 3426 CERAMIC 0.1U K 403 455 5713 CERAMIC 15P J 303 453 8610 CERAMIC 0.1U K C9022 303 305 8515 CERAMIC 15P J 403 455 5218 CERAMIC 15P J 303 453 8917 CERAMIC 0.1U K 403 455 5713 CERAMIC...
  • Page 92 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1053 301 294 2910 MT-GLAZE 560 FA 1/16W R310 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R1054 301 224 9316 MT-GLAZE 1K JA 1/16W R311 301 224 9316 MT-GLAZE 1K JA 1/16W R315 301 225 1814...
  • Page 93 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description R3804 301 225 8110 MT-GLAZE 10 JA 1/16W R5028 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R3805 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R5029 301 294 4112 MT-GLAZE 30K FA 1/16W R503 301 226 1516 MT-GLAZE 0.000 ZA 1/16W...
  • Page 94 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description R5709 301 224 9019 MT-GLAZE 10K JA 1/16W R7813 301 224 8913 MT-GLAZE 100K JA 1/16W R571 301 224 8814 MT-GLAZE 100 JA 1/16W R7816 301 225 1210 MT-GLAZE 4.7K JA 1/16W R7817 301 224 9019...
  • Page 95 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description R8057 301 225 1418 MT-GLAZE 47K JA 1/16W R9318 301 225 8110 MT-GLAZE 10 JA 1/16W R806 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R9319 301 225 8110 MT-GLAZE 10 JA 1/16W R9330 301 224 9019...
  • Page 96 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description RB566 945 037 0817 R-NETWORK 0X4 1/16W L4813 945 018 9327 INDUCTOR,1000 OHM RB8001 945 049 0690 R-NETWORK 33X4 1/16W L4814 945 018 9327 INDUCTOR,1000 OHM RB8002 945 049 0690 R-NETWORK 33X4 1/16W L501 652 002 8500 INDUCTOR 330OHM, P RB8003 945 049 0690 R-NETWORK 33X4 1/16W L502...
  • Page 97 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description 408 063 7507 ZENER DIODE MM3Z6V2B D6835 408 068 5201 LED KPTB-1612ESGC D3051 307 235 0816 DIODE 1SS387 TPL3 D6841 307 209 1214 ZD UDZS-TE-176.2B 307 223 1115 ZENER DIODE 02DZ6.2Y(TPH3 307 210 1923 DIODE 1SS400 TE-61 408 063 7507 ZENER DIODE MM3Z6V2B D3601 307 235 0816 DIODE 1SS387 TPL3 D6842 307 209 1214 ZD UDZS-TE-176.2B...
  • Page 98 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description SC5608 945 076 3503 SURGE-ABSORBER 303 453 8719 CERAMIC 470P K SC8001 945 076 3503 SURGE-ABSORBER C2903 303 368 7319 CERAMIC 10U K 6.3V SC8002 945 076 3503 SURGE-ABSORBER 303 358 3215 CERAMIC 10U K 6.3V SW6801 945 026 2792...
  • Page 99 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description C651 304 108 0901 ELECT 220U M L614 910 229 3532 CORE C653 303 370 1510 CERAMIC 0.1U K L631 952 001 0131 CORE,PIPE C661 403 468 6219 ELECT 1500U M L661 910 229 3532 CORE C662...
  • Page 100 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description 423 034 4101 FUSE 250V 6.3A A604 655 005 0045 ASSY,PWB,SUB POWER KA2JC CAPACITOR C7801 403 485 9910 DL-ELECT 3.3F M 2.5V C7802 403 485 9910 DL-ELECT 3.3F M 2.5V C7803 403 485 9910 DL-ELECT 3.3F M 2.5V...
  • Page 101 PT-VX400U / VX400E / VX400EA Electrical Parts List Key No. Part No. Description Key No. Part No. Description -101-...
  • Page 103 Schematic Diagrams CAUTION Components indicated by a mark ! in this schematic diagram have the special significance in the safety. It is therefore, particularly recommended that the replacement of those parts must be made by exactly the same parts. Must be used with a specified fuse. Unauthorized substitutions may result in fire or accident.
  • Page 104 S3.3VSI TO IC301 K8001 K1FA119E0004 RB8007 RB8006 TO IC8301 D1HY3304A005 D1HY3304A005 RB8008 D1HY3304A005 K8001_19 C8037 R2HPDOUT SC8001 F1G1C104A077 D4EDY6100001 L8020 D0YAR0000012 K8001_18 C8034 R8034 R2HPDIN C8036 D0GA330JA028 TPSICK R8043 R8044 F1G1C104A077 TO IC301(C3) SC8002 L8001 D0GA473JA028 D0GA473JA028 F1G1C104A077 TPSIHS R8098 K8001_16 D4EDY6100001 J0JGC0000046...
  • Page 105 TO IC7811 P4 3851 P_FAIL_LAN S3.3VD_PW 3852 S2.5V_PW R395 D0GA683JA028 R1871 D0GA103JA028 R396 P_FAIL D0GA103JA028 S2.5V_PW C1871 F1G1A105A047 R1872 SW841 R1890 D0GA100JA028 D0GA103JA028 R851 P_FAIL_FAN D0GA102JA028 S3.3VD_PW C1872 C851 R852 RXD_PW D0GA472JA028 F1G1A105A047 TXD_PW R3806 S2.5V_PW FAN_ERR_C S3.3VD_PW C336 L314 C337 F1G1H4710004 L308...
  • Page 106 EXHAUST EXHAUST FN901 FN902 FN903 SIDE SIDE LAMP LAMP IN POWER B-PNL R-PNL G-PNL FN906 FN904 FN905 TO SPR-CAPA AFTER AC OFF K1KA03BA0047 K1KA03BA0047 K1KA03BA0331 K1KA03BA0047 K1KA04BA0047 K1KA03BA0331 K1KA03BA0045 FB3624 FB3626 FB3627 J0JYC0000069 J0JYC0000069 J0JYC0000069 FB3621 L3631 R3620 L3636 L3630 D6831 LAMP REPLACE(Y) L3634 J0JYC0000069...
  • Page 107 R G B COMMON RESET_DG R424 D0GA472JA028 RB437 D1HY4704A005 R404 R472 D0GA103JA028 D0YAR0000012 IRM_RST C425 SDATA R409 D0GA101JA028 R411 D0GA101JA028 FROM IC9001 SCLK R415 D0GA101JA028 3.3VGAM R425 D0YAR0000012 RB428 A SIDE D1HY4704A005 DG_ENBY1 R401 TP_DVS D0YAR0000012 DG_ENBY2 SUB CPU R402 TP_DHS DRGB_DY R G B COMMON...
  • Page 108 L8810 J0JYC0000348 (BLUE) R5754 L5702 3.3V_LAN R5753 C5753 D8902 R5760 P_FAIL_LAN R5751 Q5752 POWER_ON_LAN POWER_ON C5752 R5752 R8852 D0YAR0000012 RXD_MCI FROM IC301 R8851 TXD_MCI D0YAR0000012 RB8801 RB8802 RB8803 RB8804 K8803 D1HY4724A005 D1HY4724A005 D1HY4724A005 D1HY4724A005 K1KA04AA0104 3.3V_LAN LINK/DB_DO R8857 R8822 C8848 SPD/DB_DI C8816 F1G1C104A077...
  • Page 109 Printed Wiring Board Drawings ! CAUTION This projector is isolated from AC line by using the internal converter transformer. Please pay attention to the following notes in servicing RC ( SIDE:A) RC (SIDE:B) 1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides (secondary circuit) at the same time.

  • Page 110: Main/Ac Filter Circuit Board

    MAIN (SIDE:A) AC FILTER (SIDE:A) SUB PWOER LAMP BALLAST FN906 FN901 “K29D” UNIT “X2” “K7801” C3626 FB3621 R5627 C7805 D7804 FN905 L3621 D3627 TP501E FB3634 D7801 D7802 D7803 R3627 R3638 R7853 L3631 R7811 R7851 D2891 TPFANB R7810 D7862 C2891 D6851 Q3601 R3604 FB3622...
  • Page 111 MAIN (SIDE:B) AC FILTER (SIDE:B) Q5704 C7833 R5744 R5742 1LG4B10W0930A_A R5748 R5741 R5745 R5747 R5740 IC9883 R5749 2nd_Reflow R7843 R5750 R4868 L5721 D3644 Q5701 SC5608 IC7841 C9889 R7863 L5609 R6883 R7801 R6877 L5608 C7842 R6878 R6874 POWER Q6846 R6879 R7865 D6853 R6858 R7825...
  • Page 112 SUB POWER (SIDE:A) SUB POWER (SIDE:B) MAIN “K8Q” ID CONNECT (SIDE:A) ID CONNECT (SIDE:B) MAIN “K8I” AV (SIDE:A) AV (SIDE:B) K20A MAIN "K200" PCB_KA2JC...

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