Panasonic PT-TW230U Service Manual
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Panasonic PT-TW230U Service Manual

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PT-TW230
PT-TW231R
* Model PT-TW231R has an interactive module on the cabinet front.
The illustrations in this manual are used for the model PT-TW230.
PT-TW230U
Model No.
PT-TW230E
PT-TW230EA
PT-TW231RU
PT-TW231RE
PT-TW231REA
© Panasonic Corporation 2012. Unauthorized
copying and distribution is a violation of law.
ORDER NO. VED1203417CE
D10

LCD Projector

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Summary of Contents for Panasonic PT-TW230U

  • Page 1: Lcd Projector

    PT-TW231RU PT-TW231RE PT-TW231REA PT-TW230 PT-TW231R * Model PT-TW231R has an interactive module on the cabinet front. The illustrations in this manual are used for the model PT-TW230. © Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    Contents Contents ................ 2 Exploded Views ............. SPL-2 Safety Instructions ............3 Mechanical Parts List .......... SPL-10 Safety precautions ............4 Electrical Parts List ..........SPL-12 Specifications ..............5 Schematic Diagram & Circuit Boards Diagram ..DIA-1 Circuit Protections ............7 Pin description of diode, transistor and IC ...

  • 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-TW230U / E / EA PT-TW231RU / E / EA Power supply AC100 V - 240 V 50 Hz/60 Hz 100 V - 240 V 3.6 A-1.8 A 310 W Power consumption When [Standby mode] of [Setting] is set to [ECO]: 0.42 W When [Standby mode] of [Setting] is set to [Network]: 9.5 W...
  • Page 6 Specifications Model No. PT-TW230U / E / EA PT-TW231RU / E / EA 1 (D-sub 15 pin female) 0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 [p-p] 75 Ω HD/SYNC [RGB signal] TTL high impedance, automatic positive/negative polarity COMPUTER compatible VD TTL high impedance, automatic positive/...

  • Page 7: Circuit Protections

    Circuit Protections This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the projec- tor, it will automatically turn off by operating one of the following protection circuits. Thermal fuse(SW902) Lamp cover switch(SW901) There is the thermal fuse (SW902) inside of the projec- The lamp cover switch (SW901) cuts off the drive signal tor 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 WARNING emit a red light...

  • Page 9: Maintenance

    Maintenance Before replacing the unit When you perform maintenance or replacement of the parts, be 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: Resetting The Filter Counter

    Maintenance n Resetting the filter counter 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.

  • Page 12: Replacing The Lamp Unit

    Maintenance Replacing the lamp unit Lamp cover 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: How To Check Lamp Runtime

    Maintenance How to check lamp runtime The LAMP indicator will light yellow when the lamp runtime (Corresponding value) reaches 3,000 hours. This is to indicate that lamp replacement is required. The lamp runtime is calculated by using the below expression. Lamp runtime (Corresponding value) = norma + eco x 0.75...

  • 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 pro- jector 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 mode and Network standby mode. 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. AV panel and cabinet top removal 1. Remove 5 screws A(M3x8) to remove the AV panel. 2. Remove 3 screws B(T3x10), 1 screw C(T3x10), 2 screws D(M3x8) and 1 screw E(T3x8) and 1 screw F(T3x8) to remove the cabinet top assy. 3.
  • Page 19 Mechanical Disassembly 3. Main, filter board and lamp removal 1. Remove 1 screw A(M4x6), 2 screws B(T3x8), 2 screws C(M2.5x8) and remove the main board upward. 2. Remove 1 screw D(M4x6), 2 screws E(T3x8),3 screws F(M4x6)and remove the filter shield top. 3.
  • Page 20 Mechanical Disassembly 4. Power, SW902,ballast boards and fans(FN906,FN907) removal 1. Remove 3 screws A(T3x8) to remove the fans (FN906, FN907) assy. 2. Remove 1 screw B(T3x8) to remove the lamp socket. Remove 3 screws C(T3x8) to re- move the lamp cover bottom. Unhook the ballast cable from the cabinet bottom. 3.
  • Page 21 Mechanical Disassembly 5. Cable reforming Reform the cables as shown in the figure below. Place the cables at the original position after replacing the parts. Ferrite core Hook Ferrite core Hook hook Wire band hook Wire band Thermal fuse Guide Ferrite core Wire band Guide...
  • Page 22 Mechanical Disassembly 6. Optical unit and duct assembly removal 1. Remove 2 screws A(T3x8) to remove the main board holder. 2. Remove 2 screws B(T3x12) and 5 screws C(T3x8) and remove the optical unit upward off. 3. Remove 9 screws D(T3x8) and remove the duct assembly upward off. Main board holder Optical unit...
  • Page 23 Mechanical Disassembly 7. Fan(FN905),temp sensor C, R/C front board removal 1. Remove 2 screws A(T3x8) to remove the duct assy. Remove fan (FN905) and temp sensor C board. 2. Remove 2 screws B(T3x8) to remove the lens holder. Pull the R/C front board up- ward off.

  • Page 24: Optical Parts Disassembly

    Optical Parts Disassembly Before taking this procedure, remove AV panel, cabinet top and main board following to the “Mechanical disassem- bly”. Disassembly requires a 2.0mm hex wrench and a screwdriver. (T3x8)x2 z Projection lens removal Main board holder Note: The main board holder should be removed from the cabinet bottom before removing the projection lens.
  • Page 25 Optical Parts Disassembly c Condenser lens (OUT) removal (M2.5x6)x2 (M2.5x6) Condenser Lens(OUT) Fig.3 v Polarized glasses removal (M2.5x6)x3 Polarized glass(IN/G) Polarized glass(IN/B) Polarized glass(IN/R) * Polarized glass is not re- moved from the mounting base. Fig.4 -25-...
  • Page 26 Optical Parts Disassembly b LCD panel/prism assy removal Loosen 1 screw A and then pull the panel/prism assy upward off. LCD panel/prism assy Fig.5-1 *Note on handling the LCD panel/prism assy LCD panel, polarized glasses are very sensitive parts. Never touch or wipe the surface. When removing the dust on the surface, use a commercial (inert gas) air spray to remove them.

  • Page 27: Panel Type Check

    Optical Parts Disassembly Panel type check There are 2 types of LCD panel/prism assy for this model. Either L-type or R-type LCD panel/prism assy is used on the projector. Check which type of LCD panel/prism assy is used with the figure below. When replacing the LCD panel/prism assy, you need to take "Panel type check and setting"...

  • Page 28: Optical Unit Top Removal

    Optical Parts Disassembly n Optical unit top removal Optical unit top Unhook 6 hooks to remove the optical unit top. Fig.6 m Relay lens(OUT) assy removal (M2.5x5) Relay lens(OUT) Fig.7 -28-...

  • Page 29: Locations And Directions

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

  • Page 30: Servicing Notice

    Model no. Not defined 0 -> 10 Not defined PT-TW230 [ (refer t table right) PT-TW230 PT-TW231R 0 -> 10 PT-TW231R PT-TW230U [ (refer t table right) PT-TW230U PT-TW231RU 0 -> 10 PT-TW231RU [ (refer t table right) PT-TW230E PT-TW230E PT-TW231RE PT-TW231RE 0 ->...

  • Page 31: 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 Optical center adjustment ● ● ● Condenser lens(OUT) adjustment ❍...

  • Page 32: Optical Adjustments

    Optical Adjustments Before taking optical adjustments below, remove the AV panel and cabinet top following to the “Mechanical Disas- sembly”. Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust condenser lens or relay lens adjustment, you need to disconnect FPC cables of LCD panels on the main board. WARNING : USE UV RADIATION EYE AND SKIN PRO- TECTION DURING SERVICING CAUTION: To prevent suffer of UV radiation, those...

  • Page 33: Condenser Lens (Out) Adjustment

    Optical Adjustments Condenser lens (OUT) adjustment Turn the projector on by a state of without FPC cables. Project all of lights on the screen. Adjust the adjustment base of condenser lens (OUT) assy to make color uniformity in white. 1) If the shading appears on the left or right of the screen as shown Fig.2-1 , loosen 1 screw , and adjust the slot...

  • Page 34: Relay Lens (Out) Adjustment

    Optical Adjustments Relay lens (OUT) adjustment Turn the projector on by a state of without FPC cables. Project all of lights on the screen. Adjust the adjustment base of relay lens (OUT) assy to make color unifor- mity in white. Fig.3 If the shading appears on the left or right of the screen as shown in loosen 1 screw...

  • Page 35: Electrical Adjustments

    Electrical Adjustments Service adjustment menu operation To enter the service mode MENU button ENTER button To enter the “Service mode”, press and hold the on the projector for more than MENU button 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 36: 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 37 Electrical Adjustments 3. Auto calibration adjustment [PC] 1. Fan voltage adjustment Input mode Computer 1 (RGB) Equipment Digital voltmeter Input signal XGA Computer signal Signal pattern 16-step gray scale 1. Enter the service mode. 2. Adjust the voltage on each test point by changing the data values of Group-No.
  • Page 38 Electrical Adjustments 4. Auto calibration adjustment [Component] 5. 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 39: Gamma Correction Adjustment

    Electrical Adjustments 6. Common center adjustment 9. Gamma correction adjustment Input mode Computer 1 (RGB) Software PROJECTOR SERVICE TOOL v4.20 Input signal XGA computer signal Signal patterns 50% R, G, B whole signals Use the software to obtain the proper gray scale of the screen.

  • Page 40: Test Points And Locations

    Electrical Adjustments Test points and locations MAIN BOARD TP35G TP35R TP35B -40-...

  • Page 41: 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 AD Converter (PW190) 0 ADC G-OFFSET PC / Component SCART 128/120/128...
  • Page 42 Electrical Adjustments Group/ Item Name Function Initial Range Note Item PostCoast 0 - 63 PCVideo1080p 24Hz 150 PreCoast YCbCr 480i 0 - 63 151 PostCoast YCbCr 480i 0 - 63 152 PreCoast YCbCr 575i 0 - 63 153 PostCoast YCbCr 575i 0 - 63 154 PreCoast YCbCr 480p 0 - 63...
  • Page 43 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Group Deinterlacer setting Effective only for Progressive ON-L1 mode. 0 Motion Adaptive Weight <KDEINT> 0 - 255 Value 0 : Conservative <====> 4 : 1 Angle Interpolation Level 0 - 4 Aggressive 2 CUE Low Pass Filter <CUELPFEN>...
  • Page 44 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Video Motion Window <VOFSTARY> 0 - 1023 Range of detective for Film mode Start Y Video Motion Window <VOFSTOPY> 0 - 1023 Range of detective for Film mode Stop Y Group 2:3pull down setting Film Detection Sensitivity...
  • Page 45 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 20 NRG_Pos 0-127 21 NRG_Width 0-255 22 OSD_Pos 23 OSD_Ptn 24 GammaCtrl 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<- 31 RGB-AdjLv 0-4095 >512<->768<->1023]...
  • Page 46 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 92 FlickerAdj 93 FRC_Bit 94 FrontCTalkR-Cent 2046 0-2047 95 FrontCTalkR-Start 0-255 96 FrontCTalkR-End 0-255 97 FrontCTalkG-Cent 2046 0-2047 98 FrontCTalkG-Start 0-255 99 FrontCTalkG-End 0-255 100 FrontCTalkB-Cent 2046 0-2047 101 FrontCTalkB-Start 0-255 102 FrontCTalkB-End 0-255...
  • Page 47 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 165 G-DCOffset-P10 0-2047 166 G-DCOffset-P11 0-2047 167 G-DCOffset-P12 0-2047 168 B-DCOffset-PGain 0-1023 169 B-DCOffset-P1 0-2047 170 B-DCOffset-P2 0-2047 171 B-DCOffset-P3 0-2047 172 B-DCOffset-P4 0-2047 173 B-DCOffset-P5 0-2047 174 B-DCOffset-P6 0-2047 175 B-DCOffset-P7 0-2047 176 B-DCOffset-P8...
  • Page 48 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 228 BLANK_BEND 0-255 229 Output limit R 0-4095 3359/4092/3359/3359/3359 230 Output limit G 0-4095 3359/4092/3359/3359/3359 231 Output limit B 0-4095 3359/4092/3359/3359/3359 232 CROSSTALK_COEF_R 1023 0-1023 233 CROSSTALK COEF_G 1023 0-1023 234 CROSSTALK COEF_B 1023 0-1023...
  • Page 49 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 0: 19200bps, 1: 9600bps, 1 RS232C Baudrate Baud Rate 0 - 2 2: 115200bps 4 CABLE SW Long Cable 0 - 1 0: Disable 1: Enable 0:Disable (Serial Command PW Debug Command 0 - 1 Eanble) Enable...
  • Page 50 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Level-6 data for dimming 5 DIMMER_CTRL_ brightness: when less than the 0 - 255 LEVEL6 dimming level 6 Level-7 data for dimming DIMMER_CTRL_ brightness: when less than the 0 - 255 LEVEL7 dimming level 7 Level-8 data for dimming...
  • Page 51 Electrical Adjustments Group/ Item Name Function Initial Range Note Item HiLand HiLand Group Fan Temp Error Setting Normal Ceiling Normal Ceiling (OFF) (OFF) (ON1/ (ON1/ (Memorized) ON2) ON2) 5 Temp A Warning (Normal) 0/40 0/40 30 - 100 6 Temp B Warning (Normal) 0/52 0/52 30 - 100...
  • Page 52 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Cooling Time setting at Temp Er- 10 Temp Error Cooling Time ror (x 30 sec) 1-15 1: 30, 3: 90, 15: 450 sec. OnStart Cooling Start 0-100 Threshold Cooling after shutdown (0: No, 1: 12 After shutdown cooling Yes) Group...
  • Page 53 Model No. is set when the value 1 Model No. Setting 0 - 10 is set to 10. Group Model No. Setting [PT-TW230U / PT-TW231RU] 0 Model No. Confirm * Refer to S430-0 Model No. is set when the value 1 Model No. Setting 0 - 10 is set to 10.
  • Page 54 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 0 Model No. Confirm * Refer to S430-0 Model No. is set when the value 1 Model No. Setting 0 - 10 is set to 10. Group Model No. Setting [PT-TW230EA / PT-TW231RA] 0 Model No.
  • Page 55 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 2 H Back Porch 0 - 4095 3 V Back Porch 0 - 4095 4 Disp Line 0 - 4095 Group YCbCr (575p) 0 Total Dots 0 - 4095 * Read only 1 Disp Dots 0 - 4095 2 H Back Porch...
  • Page 56 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 2 H Back Porch 0 - 4095 3 V Back Porch 0 - 4095 4 Disp Line 0 - 4095 5 Clamp 0 - 255 * Read only 6 Clamp Width 0 - 255 * Read only Group...
  • Page 57 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Group HDCP (720p - 60) 8 VSBEG 0 - 15 Group HDCP (720p - 50) Over Scan Rate (0 ~ 25.5% at 7 OverScan 0 - 255 0.1% steps) 8 VSBEG 0 - 15 Group HDCP (1080i - 60)

  • Page 58: Chassis Block Diagrams

    Chassis Block Diagrams Chassis overview TXD_PW/RXD_PW 124,368 R/C_PW IC001 AUDIO OUTPIT <TPA3111> IC5001 AUDIO CONTROL <NJW1156> AUDIO -58-...

  • Page 59: System Control

    Chassis Block Diagrams System control IC301 SCALER -59-...

  • Page 60: Power Supply & Protection Circuit

    Chassis Block Diagrams Power supply & protection circuit IC631 POWER OSC. <MR4010> IC621 P.F.CONTROL <FA5550> LAMP_SCI FAN_ERR IC9885 SUB CPU CHO_TXD IC301 SCALER -60-...

  • Page 61: Fan Control Circuit

    Chassis Block Diagrams Fan control circuit TPFANC FN905 IC7841 FANC D3626 TPFANA Q7842 D3644 FN901 FANA IC7811 1,14 S16V <TPS54286> D3629 D3613 FN902 Q7813 Q7864 Q7814 D3621 FN903 Power-On:H Q7801 D3622 FAN_SW1 FN904 D3623 TPFANB FN906 FAN_CON_C FANB D3628 FAN_CON_A FN907 D3614 FAN_CON_B...

  • Page 62: 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 63: 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 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 64: No Picture

    Troubleshooting No picture Check following steps. No picture with all of Check the supply voltage and LCD driving stage; input sources Check power supply circuit S16V_PNL and peripheral circuit. Check ICs IC501, IC531, IC561, IC401, IC301 and peripheral cir- cuits. No picture with PC1 Check IC301<Scaler>, IC5301<HV Sync SW>...

  • Page 65: No Sound

    Troubleshooting No sound Check following steps. Check if the audio sig- Check IC5001 and peripheral circuit. nal is observed at pins Check the 12V power supply. 7 and 15 of IC5001. Check IC001 and peripheral circuit. Check if the audio sig- Check the Mute signal at pin 1 of IC001.

  • Page 66: Control Port Functions

    Control Port Functions Scaler I/O port functions (PW190) PIN NO. PORT NO. SIGNAL NAME DESCRIPTION SIVS HDMI V SYnc PW_UPDATE RXD_MCI Network RXD DDC_SW SIHS HDMI H Sync TXD_PW Serial Control TXD SICLK HDMI Clock SIAHS HDMI H Sync LAMP_PWM Lamp Control SDATA_PW 3-Wired Serial Control Data...

  • Page 67: Ic Block Diagrams

    IC Block Diagrams ● FA5550NG <P.F. control, IC621> ● L3E06200 <D/A, S/H-LCD Driver, IC501, IC531, IC561> -67-...
  • Page 68 IC Block Diagrams ● L3E07111 <Digital Gamma and Driver, IC401> ● MB95F353EPFT <Sub CPU, IC9885> -68-...
  • Page 69 IC Block Diagrams ● MR4010 <Power OSC, IC631> Collector Latch circuit reset Start-up circuit UVLO comparator UVLO comparator comparator Start-up circuit CC(start) OVP comparator CC(startup off) CC(stot) CC(startup on) Thermal Shutdown circuit Soft drive circuit Zero current detection Z / C circuit Turn-on dead timer OCP threshold comparator...
  • Page 70 IC Block Diagrams ● PW190 <Scaler, IC301> A(23:1),D(15:0) BHEN,RD,WR PORTA(7:0) RXD0/1 ROMWE, PORTB(7:0) TXD0/1 PWM(3:0) 2WIRE(2:0) IRRCVR(2:0) CS(1:0) ROMOE DAC(3:0)ADC(7:0) EXTINT(2:0) PORTC(7:0) Turbo 80186 PORTD(7:0) Microprocesser with Instruction Interrupt 2-Wire UART JTAG GPIO Cache Decoder Controller Interface Serial Microprocessor Bus YPbPr Watchdog IN0RGB(2:0)

  • Page 71: Exploded Views & Parts List

    PT-TW230U /TW230E / TW230EA Exploded Views & Parts List PT-TW231RU /TW231RE / TW231REA Exploded Views Parts List Models PT-TW230U PT-TW230E PT-TW230EA PT-TW231RU PT-TW231RE PT-TW231REA Impotant Safety Notice Components identificated by the International symbol ! have special characteristics impotant for safety.
  • Page 72 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA Cabinet top assembly C01-1 A2000 *C14 KEY SW BOARD Only models PT-TW231R series have this parts. Cabinet bottom-1 assembly A901 BALLAST BOARD A601 FN906 POWER BOARD FN907 LP900 A602 FILTER BOARD...
  • Page 73 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA Filter duct assembly SW901 A604 TEMP. SENSOR A BOARD FN904 FN901 FN903 FN902 Cabinet bottom-2 assembly SP901 A605 TEMP.SENSOR C BOARD A603 R/C BOARD SW902 FN905 C04-1 C04-2 SPL-3...
  • Page 74 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA Projection Lens PBS and Integrator lens assembly SPL-4...
  • Page 75 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA Condenser lens (OUT) assembly Polarized Glass (IN) assembly L02-G L02-R Green L02-B Blue SPL-5...
  • Page 76 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA LCD Panel/Prism Assembly Relay lens (OUT) assembly SPL-6...
  • Page 77 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA In the optical unit CAUTION: Part must be placed in specified direction when replacing the optical parts. Please see “Optical parts disassembly” for further instructions. SPL-7...
  • Page 78 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA Labels Packing SPL-8...
  • Page 79 PT-TW230U /TW230E / TW230EA Exploded Views PT-TW231RU /TW231RE / TW231REA ● Accessories (see accessories parts list) REMOTE CONTROL MANUALs CD-ROMs AC CORD AC CORD HOLDER AC CORD STOPPER STRAP VGA CABLE INTERACTIVE LIGHT PEN *1 INTERACTIVE PONTER *1 INTERACTIVE USB CABLE *1...

  • Page 80: Mechanical Parts List

    PT-TW230U /TW230E / TW230EA Mechanical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description 6550052124 SETUP INST-LW4AC TW230E/TW230EJ PACKING MATERIALS 6550052131 SETUP INST-LW4SC TW230EA/TW230EAJ 6103596242 CARTON CASE-KY4AC 6451053893 ASSY,REMOCON MXEJ TW231RU 6520032767 CORE,CLAMP...
  • Page 81 PT-TW230U /TW230E / TW230EA Mechanical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description OPTICAL PARTS 6103563503 ASSY,PNL/PSM-KJ8YF L02-R 6103465562 ASSY,POL R IN-KG5AC L02-G 6103557571 ASSY, POLG IN-KJ8YC L02-B 6103465548 ASSY,POL B IN-KD5AC...

  • Page 82: Electrical Parts List

    PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA 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-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description C1011 3034420519 CERAMIC 0.068U K 16V C1012 3034093426 CERAMIC 0.1U K 16V ASSEMBLIED BOARDS C1014 3034420519 CERAMIC 0.068U K 16V...
  • Page 84 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description C3501 3033977618 CERAMIC 1U K 25V C3586 3032763113 CERAMIC 33P J 50V C3502 3033977618 CERAMIC 1U K 25V C3587...
  • Page 85 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description C5011 3033945815 CERAMIC 4.7U K 16V C5707 3033246417 CERAMIC 0.022U K 16V C5012 3033945815 CERAMIC 4.7U K 16V C5708...
  • Page 86 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description C8011 3034093426 CERAMIC 0.1U K 16V C9883 3033921215 ELECT 47U M 6.3V C8012 3033583215 CERAMIC 10U K 6.3V C9884 3034093426 CERAMIC 0.1U K 16V...
  • Page 87 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description IC5621 4106510104 IC R1131D101B-TR-F L3623 6520028524 INDUCTOR 220OHM, P IC5821 4107312004 IC TPS54327DDAR L3626 6520028524 INDUCTOR 220OHM, P IC5841 3095985217...
  • Page 88 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description Q2031 4060217804 TR 2SC4617 R1075 3012637420 MT-GLAZE 75 JA 1/16W Q3582 3052176917 TR TPC6107 TE85L R1077 3012637420 MT-GLAZE 75 JA 1/16W...
  • Page 89 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description R353 3012637420 MT-GLAZE 75 JA 1/16W R422 3012251814 MT-GLAZE 47 JA 1/16W R3532 3012251418 MT-GLAZE 47K JA 1/16W R423...
  • Page 90 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description R571 3012248814 MT-GLAZE 100 JA 1/16W R7873 3012646115 MT-GLAZE 20K FA 1/10W R5716 3012764710 MT-GLAZE 0.000 ZA 1/3W R7874 3012994810 MT-GLAZE 2.7K FA 1/16W...
  • Page 91 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description R8832 3012249316 MT-GLAZE 1K JA 1/16W RB531 9450370817 R-NETWORK 0X4 1/16W R8841 3013410616 MT-GLAZE 49.9 FA 1/16W RB533 9450370817...
  • Page 92 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description C612 3032221316 CERAMIC 1000P K 1K R611 4013530311 MT-GLAZE 430K JA 1/3W C613 3034514119 MT-POLYEST 1U K 450V R612...
  • Page 93 PT-TW230U /TW230E / TW230EA Electrical Parts List PT-TW231RU /TW231RE / TW231REA Key No. Part No. Description Key No. Part No. Description R2903 3012556513 MT-GLAZE 100 JA 1/10W A604 6550051738 ASSY,PWB,TEMP. SENSOR A KW4CC C8833 3033969613 CERAMIC 1U K 25V C8833...

  • Page 95: Schematic Diagram & Circuit Boards Diagram

    PT-TW230U /TW230E / TW230EA Schematic Diagram & Circuit Boards Diagram PT-TW231RU /TW231RE / TW231REA Schematic Diagram Circuit Boards Diagram Models PT-TW230U PT-TW230E PT-TW230EA PT-TW231RU PT-TW231RE PT-TW231REA Impotant Safety Notice Components identificated by the International symbol ! have special characteristics impotant for safety.

  • Page 96: Pin Description Of Diode, Transistor And Ic

    PT-TW230U /TW230E / TW230EA PT-TW231RU /TW231RE / TW231REA Schematic Diagram & Circuit Boards Diagram Pin description of diode, transistor and IC ● Diode Diode K: Cathode A: Anode ● Transistor/FET Transistor/FET C: Collector D: Drain B: Base G: Gate Index...

  • Page 97: Schematic Diagrams

    Schematic Diagrams PROJECTION LENS POWER FACTOR CORRECTION POWER DB611 B0FBBR000078 C611 L611 F1B3A102A085 G0C720Z00004 LAMP SW902 K5B094YY0002 BALLAST R610 K6C_1A K6C_1B D0GZR00J0005 K6C_2B K6C_2A K6D_1A L612 D611 1LB4L26B1570N B0FAAR000015 L613 K1KA02A00676 C612 4AA4Z20051--- C614 K6D_1A A2901 F1B3A102A085 F0CZZ105A151 K6D_2A Q611 A901 B3RAD0000196 C691...
  • Page 98 IC301 C1004 K10A F1G1C104A077 K1FY115BA080 :F1G1C104A089 L1002 R1035 D0GA100JA028 Q1001 :F1G1C104A125 K10A_6 J0HAAC000061 B1ABCG000002 K10A_1 SOG1 RGB/ SC1001 R1001 D0GG750JA032 D4EDY1210002 R1040 D0GA102JA028 K10A_2 R1101 YCbCr/ D0GA101JA028 L1012 R1036 C1008 Q1002 K10A_3 D0GA100JA028 F1G1C104A077 J0HAAC000061 B1ABCG000002 :F1G1C104A089 K10A_13 SCART :F1G1C104A125 K10A_9 5VPC1 R1111...
  • Page 99 OPTION RESISTOR IC801 S3.3VD_PW S3.3VD_PW R395 MODEL TW230 TW231 D0GA103JA028 A[17] MODEL_OPTION R395 R396 0 OHM R396 A[16] S3.3VD_PW A[15] R801 BYTE D0GA103JA028 A[14] A[1] A[13] D[15] DQ15/A-1 A[12] D[7] D[0] D[8] S3.3VD_PW A[11] D[14] D[1] D[9] DQ14 A[10] D[6] D[2] D[10] R389...
  • Page 100 FN901 FN902 FN903 FN904 LAMP IN EXHAUST EXHAUST B-PNL SIDE R-PNL G-PNL G-PNL FN905 SIDE POWER LAMP FN906 FN907 K1KA03AA0104 K1KA03AA0104 K1KA03AA0104 K1KA03AA0104 K1KA03BA0331 K1KA03BA0047 K1KA03BA0047 K6J_3 K6G_3 K6F_3 K6E_3 K6F_1 K6K_3 K6P_3 K6Q_3 K6T_3 K6K_1 L3627 L3623 L3622 L3639 J0JYC0000068 L3626 J0JYC0000068...
  • Page 101 C8848 F1G1C104A077 :F1G1C104A089:F1G1C104A125 3.3V_CPU C8847 K8801 F1H1E1050001 G4BYB0000006 R8846 D0GA331JA028 L8835 LINK/DB_DO J0JCC0000385 TXOP L8836 J0JCC0000385 TXON 3.3VGAM RXIP RXIN R424 R8841 R404 D0GA472JA028 D1BA49R9A061 RB437 C8801 RESET_DG D1HY4704A005 F1G1C104A077 :F1G1C104A089:F1G1C104A125 R472 GND1 C8802 F1G1C104A077 D0YAR0000012 R8845 IRM_RST SPD/DB_DI :F1G1C104A089:F1G1C104A125 D0GA331JA028 C425 R8850...
  • Page 102 <FROM:IC301> (PW190) (BLUE) C3509 F1H1E1050001 :F1H1E105A100 15.5V_PNL J0JHC0000080 L3501 C3508 F1K1E1060004 C507 SN500 K5B1 F1H1E1050001 F1J0J106A004 15.5V_PNL 3.3V C3501 K5B2 C5875 C511 C508 F1H1E1050001 L501 C509 F1J1E225A178 F2G1E470A256 C3502 B_DIRY K5B3 J0JHC0000080 :F2G1E470A075 F1H1E1050001 C3511 TP_SHCKB B_DY K5B4 F1H0J2250007 C3512 SHCLKB F1G1H330A541 B_CLY...

  • Page 103: Circuit Boards Diagram

    Circuit Boards Diagram ! 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 104 MAIN (SIDE:A) MAIN (SIDE:B) KEY_SW FN907 FN903 FN902 FN904 FN901 “K6H” R9886 R9885 K8801 K8803 R8848 C8816 LAMP R8846 C8815 C4891 COVER C8832 C8863 C8830 R8845 SW901 C8808 C8801 C8848 C8847 L3626 L8802 R3602 C8812 C8803 C372 C1017 R1075 D8092 R353 R8011 D8094...
  • Page 105 AC FILTER ( SIDE:A) AC FILTER (SIDE:B) POWER “K6C” THERMAL FUSE “SW902” SENSOR A (SIDE:A&B) KEY SW (SIDE:A&B) MAIN IC8811 “K8L” ??? *** 1LG4B10W1110D 1LG4B10W1110D ??? *** SENSOR C (SIDE:A&B) MAIN “K8I” ??? *** ??? *** 1LG4B10W1110E 1LG4B10W1110E DIA-11 PCB_KW4AC...

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