BOXLIGHT MCP-305t Service Manual
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BOXLIGHT MCP-305t Service Manual

Chassis no. md8-cp-305t00
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SERVICE MANUAL

ORIGINAL VERSION
PRODUCT CODE
1 122 121 04
(MD8E)
SERVICE MANUAL
BOXLIGHT CP-305t
NOTE: Match the Chassis No. on the unit's
Chassis No. MD8-CP-305t00
back cover with the Chassis No. in the
Service Manual.
If the Original Version Service
Manual Chassis No. does not match
the
unit's,
additional
Literature is required.You must refer to
"Notices" to the Original Service
Manual prior to servicing the unit.
REFERENCE NO.
Service
SM
5110337

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Summary of Contents for BOXLIGHT MCP-305t

  • Page 1: Service Manual

    SERVICE MANUAL SERVICE MANUAL BOXLIGHT CP-305t ORIGINAL VERSION Chassis No. MD8-CP-305t00 NOTE: Match the Chassis No. on the unit’s back cover with the Chassis No. in the Service Manual. If the Original Version Service Manual Chassis No. does not match unit’s,...

  • Page 2: Table Of Contents

    Contents Safety instructions ________________________________________________3 Specifications __________________________________________________ 4 Note on Servicing ______________________________________________ 5 Adjustments after parts replacement ________________________________ 5 Circuit protections ______________________________________________ 6-7 Fuse ____________________________________________________ 6 Thermal switch ____________________________________________ 6 Interlock switch ____________________________________________ 6 Warning temperature and power failure protection ________________ 7 Mechanical disassemblies ______________________________________ 8-13 Optical parts disassemblies ____________________________________ 14-17 LCD panel/prism ass’y replacement ________________________________ 19...

  • Page 3: Safety Instructions

    Safety Instructions SAFETY PRECAUTIONS WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is iden- tified with the line ( ) in the schematic diagram.

  • Page 4: Specifications

    Specifications Projector Type Multi-media Projector Dimensions (W x H x D) 13.11” x 3.52” x 9.96” (333mm x 89.5mm x 253mm) Net Weight 9.5 lbs (4.3 kg) LCD Panel System 0.9” TFT Active Matrix type, 3 panels Panel Resolution 1024 x 768 dots Number of Pixels 2,359,296 (1024 x 768 x 3 panels) Color System...

  • Page 5: Note On Servicing

    Adjustments after Parts Replacement : Adjustment necessary : Check necessary Disassembly / Replaced Parts LCD/ Polarized glass Condenser Condenser Relay P. F. Power Main Prism Lens Lens-Out Lens-Out Board Board Board Ass’y Condenser lens adjustment Condenser lens-out adjustment Relay lens-out adjustment Contrast Adjustment R-Contrast adjustment G-Contrast adjustment...

  • Page 6: Circuit Protections

    Circuit Protections This projector is equipped with the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits. Fuse Line Filter Board The fuse is located inside of the projector. When either the LAMP Fuse indicator or the READY indicator is not illuminated, fuse may be opened.

  • Page 7: Warning Temperature And Power Failure Protection

    Circuit Protections Warning temperature and power failure protection The TEMP WARNING indicator flashes red and the projector will automatically turn off when the internal tempera- ture of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power supply lines are failed.

  • Page 8: Mechanical Disassemblies

    Mechanical Disassemblies Mechanical disassemble should be made following procedures in numerical order. Following steps show the basic procedures, therefore unnecessary step may 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 9 Mechanical Disassemblies AV, AV Sub, Temp Board and Speaker removal Remove 1 screw to release a grounding wire. Pull the Rear Panel ass’y upward. Remove 4 screws and remove the AV Board. Remove 4 screws and remove the AV Sub Board. Remove 4 screws and remove the speaker.
  • Page 10 Mechanical Disassemblies Lamp Ballast Unit removal Remove 1 screw and disconnect the Lamp Socket. Remove 2 screws to take the Lamp Ballast ass’y upward off. Remove 2 screws to take the isolation sheet off. Remove 4 screws to take the lamp ballast board off. Isolation sheet Lamp ballast board Fig.5...
  • Page 11 Mechanical Disassemblies Power Box Cover and Fans(FN901, FN906) removal Remove 4 screws to take the Fan(FN901) off. Remove 4 screws to take the Fan(FN905) off. Remove 3 screws to take the Power Box Cover upward off. FN906 Power box cover FN901 Fig.7 Optical Unit removal...
  • Page 12 Mechanical Disassemblies Optical Unit removal Step from previous procedure. Remove 6 screws to take the Optical Unit upward upward off. To mount optical unit, mount optical unit first then mount the Lamp assembly and Lamp Cover. Optical unit Fig.8 Power and P.F. Board removal Remove 8 screws to take the Power Board ass’y upward off.
  • Page 13 Mechanical Disassemblies Fan (FN905) removal Remove 1 screw and take a Washer, Spring and Interlock Switch lever. Interlock switch lever Pull the Fan and duct ass’y upward, then remove the 2 screws to take the Fan (FN906) off. FN905 Fig.10 Temp Board and Fans (FN902, FN903, FN904) removal Remove 1 screw to take the Temp.

  • Page 14: Optical Parts Disassemblies

    Optical Parts Disassemblies Before taking this procedure, remove Cabinet Top and Main Board following to the “Mechanical Disassemblies”. Disassembly requires a 2.0mm hex wrench and a screwdriver. Projection Lens removal Remove the Front Panel following to “Front Panel Removal” on “Mechanical Disassemblies”.
  • Page 15 Optical Pats Disassemblies Condenser lens disassembly Remove 2 screws and pull the Condenser Lens ass’y upward. Remove 4 screws to take the Lens off from the holder. Condenser Lens Holder * Lens should be placed as the flat Fig.3- surface side comes to the holder side.
  • Page 16 Optical Parts Disassemblies Relay Lens-Out disassembly Remove 2 screws and pull the Relay Lens-Out ass’y upward. Remove 2 screws to take the Lens off from the holder. Note: There is no mounting direction of the lens. Holder Relay Lens-Out Fig.5- Fig.5- Polarized Glass-In removal Remove each screw and pull the Polarized Glass-In ass’y upward.
  • Page 17 Optical Parts Disassemblies Polarized Glass-Out removal Remove 4 screws and take the LCD/Prism ass’y off upward from the optical unit. Remove each screw and take the glass off upward. LCD Panel/Prism Ass’y Note: Do not replace the LCD panel separately otherwise it can not obtain proper picture.
  • Page 18 Optical Parts Disassemblies Locations and Directions Key No. Description When mounting or assembling the optical parts in the optical unit, the Mirror (W) parts must be mounted in the specified location and direction as Integrator lens (OUT) shown in figure below. Prism beam splitter (PBS) Dichroic mirror (B) Condenser lens (OUT)

  • Page 19: Lcd Panel/Prism Ass'y Replacement

    LCD Panel/Prism Ass’y Replacement IMPORTANT NOTICE on LCD Panel/Prism Ass'y Replacement LCD panels used for this model can not be replaced separately. Do not disassemble the LCD Panel/Prism Ass’y. These LCD panels are installed with precision at the factory. When replacing the LCD panel, should be replaced whole of the LCD panels and prism ass’y at once.

  • Page 20: Lamp Replacement

    Lamp Replacement WARNING: ORDER REPLACEMENT LAMP - For continued safety, replace with a lamp assembly of the same type. Type No. Service Parts No. - Allow the projector to cool for at least 45 minutes before you open the POA-LMP35 610 293 2751 lamp cover.

  • Page 21: Optical Adjustments

    Optical Adjustments Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the “Mechanical Disassemblies” Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust Condenser lens, Condenser lens-out or Relay lens adjustment, you need to disconnect some connectors and FPC cables of LCD panels on the main board.

  • Page 22: Condenser Lens Adjustment

    Optical Adjustments Condenser Lens adjustment Turn the projector on by a state of without FPC cables. Project only green light on the screen. Adjust the adjustment base of condenser lens assy to make color uniformity in green. Green 1) If the shading appears on the left or right of the screen as shown in Fig.2-1, loosen 2 screws with the 2.0mm hex driv- er, and adjust the slot...

  • Page 23: Condenser Lens-Out Adjustment

    Optical Adjustments Condenser Lens-Out adjustment Turn the projector on by a state of without FPC cables. Project green and blue lights on the screen. Adjust the adjustment base of condenser lens-out assy to make color uniformity in cyan. 1) If the shading appears on the left or right of the screen as shown Cyan in Fig.3-1, loosen 1 screw with the 2.0mm hex driver, and...

  • Page 24: 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 assy to make color unifor- mity in white. 1) If the shading appears on the left or right of the screen as shown White in Fig.4-1, loosen 1 screw with the 2.0mm hex driver, and...

  • Page 25: Electrical Adjustments

    Electrical Adjustments Service Adjustment Menu Operation To enter the service mode To enter the “Service Mode”, press and hold the MENU and IMAGE button on the projector at the same time for more than 3 seconds. The service menu appears on the screen as follows. To adjust service data Select the adjustment group no.

  • Page 26: 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 follow- ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per- formance and product safety. [Adjustment Condition] Input signal Video signal ......
  • Page 27 Electrical Adjustments NRS adjustment Black Level adjustment 1. Receive the 16-step grey scale computer signal. 1. Receive the 16-step grey scale computer signal. 2. Set to COMPUTER mode. 2. Set to COMPUTER mode. 3. Connect an oscilloscope to test point “TP3551” (+) 3.
  • Page 28 Electrical Adjustments PC Offset adjustment PC Gain adjustment 1. Receive the 16-step gray scale computer signal. 1. Receive the 16-step gray scale computer signal. 2. Set to COMPUTER mode. 2. Set to COMPUTER mode. 3. Enter the service mode. 3. Enter the service mode. [R-OFFSET ADJUSTMENT] [R-GAIN ADJUSTMENT] TP25R1...
  • Page 29 Electrical Adjustments AV Gain adjustment Gamma Shift adjustment 1. Receive the 16-step gray scale video signal. [PC-GAMMA OFF ADJUSTMENT] 2. Set to VIDEO mode. 1. Receive the 16-step gray scale computer signal. 3. Enter the service mode. 2. Set to COMPUTER mode. 3.

  • Page 30: Service Adjustment Data Table

    Electrical Adjustments Service Adjustment Data Table These initial values are the reference data written from the CPU ROM to memory IC when replaced new memory IC. The adjust- ment items indicated with “ ” are required to readjust following to the “Electrical adjustments”. Other items should be used with the initial data value.
  • Page 31 Electrical Adjustments Adjustment Item Initial Value Range Description Cinema LTI_LEVEL 0 ~ 3 Set this value at Cinema Mode Group: 2 L3E07050 (Digital Gamma, Color Shading & Timing Controller) DVI,AV R_SUB_BRT 0 ~ 1023 G_SUB_BRT 0 ~ 1023 B_SUB_BRT 0 ~ 1023 R_SUB_GAIN 0 ~ 1023 Red PC/AV gain adjustment...
  • Page 32 Electrical Adjustments Adjustment Item Initial Value Range Description REF_R 0 ~ 255 Red white-black level adjustment REF_G 0 ~ 255 Green white-black level adjustment REF_B 0 ~ 255 Blue white-black level adjustment NRS_B 0 ~ 255 NRS_A 0 ~ 255 NRS adjustment G_V_COM 0 ~ 255...
  • Page 33 Electrical Adjustments Adjustment Item Initial Value Range Description AV Cinema Green 0 ~ 63 AV Cinema Blue 0 ~ 63 AV Cinema Sharpness 0 ~ 31 AV Cinema Gamma 0 ~ 15 Group: 500 ADC ADC R-OFFSET 0 ~ 255 ADC G-OFFSET 0 ~ 255 ADC B-OFFSET...

  • Page 34: Test Points And Locations

    Electrical Adjustments Test Points and Locations MAIN BOARD TP52R TP52G TP52B TP11SC TP11SY TP62V TP62H TP11CV TP201G TP11PB TP25G1 TP201B TP11PR TP25G2 TP201R TP3551 IC4101 K25G TP205 IC301 TP25B2 TP25R1 TP25B1 TP25R2 TPDVS TPDCLK TP12V2 TPDHS TP3581 TP12V1 IC401 IC801 -34-...

  • Page 35: Troubleshooting

    Troubleshooting No Power The possible causes of No Power are listed below. Please - Abnormality on lamp ballast drive signal (BALLAST_AC). check following and refer to power supply and protection cir- BALLAST_AC signal is output from pin 39 of IC801 and cuits diagram in the figure opposite.
  • Page 36 Troubleshooting Power supply drive and protection diagrams and locations SW902 IC2881 IC4881 F601 SW904 LAMP Ass'y LAMP BALLAST UNIT P.F BOARD F601 SW902 SW904 IC4881 Fuse AC IN Thermal sw. Interlock sw. TEMP. SENS. K48E TSW611 IC611 P.F.CONTROL TEMP. SENSOR BOARD FN905 FN906...

  • Page 37: No Picture

    Troubleshooting No Picture The possible causes of No Picture are listed below. Please 3. No picture from both of Video and Computer check following and refer to video signal processing dia- sources. grams in the figure opposite. Check RGB signals at test points TP52R, TP52G and TP52B.
  • Page 38 Troubleshooting Video Signal processing diagrams -38-...

  • Page 39: No Sound

    Troubleshooting No Sound 1. No audio signals at AV input circuit. Check MUTE signal at pin 7 of IC1831, pins 7 and 13 of IC1881, and peripheral circuit. Check audio signals at pins14 and 15 of IC5011 on AV Mute On : High Board.

  • Page 40: Control Port Functions

    Control Port Functions System Control & I/O Port Table (IC801) Pin No. Name Function Name Function Action PE5/D5 POWER_SW Power_SW H: On PE6/D6 SYS SW Peripheral IC power supply SW L: on PE7/D7 LAMP_SW Lamp LED H: On PD0/D8 DATA0 Data Bus 0 PD1/D9 DATA1...
  • Page 41 Control Port Functions Pin No. Name Function Name Function Action Operation mode control 2 Fixed H PF7/¢ ¢ ¢ output PF6/AS AS output PF5/RD Read signal Control for SRAM PF4/HWR Write signal (upper 8 bit) Control for SRAM PF3/LWR/ADTRG/IRQ3 IRO_CS Color uniformity correction (E7050) Chip Select L: active PF2/WAIT...
  • Page 42 Control Port Functions IIC Bus I/O Expander (IC1851) Port Functions Pin No. Name Function Action Reset Open IIC SCL Active “L ” IIC SDA Active “L ” CARD_IN L: CARD H: No CARD VIEWER_ON L: VIEWER Unit exist SCDT1 DVI Sync. detection H: DVI TURBO_LED H: on L: off WARNING_LED...
  • Page 43 Control Port Functions IIC Bus DA Converter (IC2161) Port Functions Pin No. Name Function Action Reset Fixed “H” IIC SCL Active “L ” IIC SDA Active “L ” RCLP R Signal clamp reference voltage GCLP G Signal clamp reference voltage BCLP B Signal clamp reference voltage AO10...

  • Page 44: Waveforms

    Waveforms VIDEO-IN Y-IN <IC1101-5> C-IN <IC1101-7> Y-OUT <IC1101-21> CB-OUT <IC1101-22> CR-OUT <IC1101-23> H-SYNC OUT <IC1101-9> V-SYNC OUT <IC1101-4> R-OUT <IC4101-35> G-OUT <IC4101-37> B-OUT <IC1101-7> R-DRIVE <TP52R/TP201R> G-DRIVE <TP52G/TP201G> B-DRIVE <TP52B/TP201G> -44-...
  • Page 45 Waveforms H-SYNC OUT <IC4101-29> V-SYNC OUT <IC4101-28> H-SYNC IN <TP205> H-SYNC DRIVE <TP62H> V-SYNC DRIVE <TP62V> DHS <TPDHS> DVS <TPDVS> NRS <TP3551/TP3581> R-S&H OUT <TP25R1/TP25R2> G-S&H OUT <TP25G1/TP25G2> B-S&H OUT <TP25B1/TP25B2> BALLAST SW <TP28L> -45-...

  • Page 46: Cleaning

    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 47: Ic Block Diagrams

    IC Block Diagrams AD8183ARU <Selector, IC5241> BA6287F <Motor Drive IC5501, IC5551> -47-...
  • Page 48 IC Block Diagrams BA7078AF <Selector, IC6241> CXA2101AQ <RGB Matrix, IC4101> -48-...
  • Page 49 IC Block Diagrams CXD2064Q <Digital Comb Filter, IC2101> L3E01031 <Level Shift, IC3531, IC3561> -49-...
  • Page 50 IC Block Diagrams L3E06070 <D/A-Sample & Hold, > IC501, IC531, IC561, IC1501, IC1531, IC1561 L3E07050 <Color, Gamma Correction & Timing Controller , IC401> -50-...
  • Page 51 IC Block Diagrams ML60851 <USB I/F, IC9801> M62393 <D/A, IC2571> -51-...
  • Page 52 IC Block Diagrams TB1274AF <Video Decoder, IC1101> TA1318N <AFC Detector, IC6171> -52-...
  • Page 53 IC Block Diagrams FA7612CA <PWC Controller, IC65A, IC671, IC681> STR-Z2156 <Switching Controller, IC631> -53-...

  • Page 54: Service Parts Lists

    MD8-CP-305t00 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. It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark.
  • Page 55 MD8-CP-305t00 Electrical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions. OUT OF CIRCUIT BOARD Thermal Switch Interlock switch (SW902) (SW904) Lamp Ballast Board F601 Fuse FN906 Line Filter Cooling Fan Board AV Sub Board FN901 Cooling Fan P.F.

  • Page 56: Power Board

    MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description D6801 407 179 0501 ZENER DIODE UDZ6.2B-TE-17 ASSEMBLIED BOARDS D6802 407 179 0501 ZENER DIODE UDZ6.2B-TE-17 D6803 407 179 0501 ZENER DIODE UDZ6.2B-TE-17 610 292 5609 ASSY,PWB,KEY SW MS6A 1AA0B10C34000 D6804 407 179 0501...
  • Page 57 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C633 403 113 3805 CERAMIC 1000P K R65A 401 276 4707 MT-GLAZE 0.000 ZA 1/3W C634 403 247 3306 CERAMIC 330P K R65B 401 238 4509 MT-GLAZE 47 JA 1/3W...
  • Page 58 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description INTEGRATED CIRCUIT R688 401 105 2201 MT-GLAZE 180K JA 1/16W R689 401 105 0603 MT-GLAZE 10K JA 1/16W IC611 409 483 3803 IC FA5332M R69A 401 105 0603 MT-GLAZE 10K JA 1/16W CAPACITOR...

  • Page 59: Main Board

    MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description D619 407 149 0807 DIODE 1SS355-TE-17 Q1131 405 014 4509 TR 2SC2412K T146 R 405 014 4608 TR 2SC2412K T146 S MISCELLANEOUS 405 015 8704 TR 2SC2812-L6-TB FB611 610 229 3531 CORE...
  • Page 60 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 405 015 8704 TR 2SC2812-L6-TB 405 015 8902 TR 2SC2812-L7-TB 405 015 8902 TR 2SC2812-L7-TB 405 163 1602 TR 2SC2812N-L6-TB0 405 163 1602 TR 2SC2812N-L6-TB0 405 163 1701 TR 2SC2812N-L7-TB0 405 163 1701 TR 2SC2812N-L7-TB0...
  • Page 61 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description IC1331 410 397 0406 IC IS61LV6416-15T IC6251 409 431 6009 IC MC74VHC14DT IC1341 410 448 7705 IC MBM29LV800TA90B996A 410 356 8009 IC SN74LV14APWR IC1351 409 501 9107 IC ICS512MT IC6261 409 211 7301...
  • Page 62 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C1351 403 304 1801 ELECT 100U M 6.3V C1821 403 164 0204 CERAMIC 0.1U Z 403 373 7704 ELECT 100U M 6.3V C1826 403 164 0204 CERAMIC 0.1U Z C1352...
  • Page 63 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C2591 403 229 3508 ELECT 100U M C3584 403 149 9208 CERAMIC 0.01U Z 403 335 0408 ELECT 100U M C3592 403 162 4709 ELECT 10U M C2807 403 157 2901 CERAMIC...
  • Page 64 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C4176 403 164 0204 CERAMIC 0.1U Z 403 373 7704 ELECT 100U M 6.3V C4177 403 175 4802 NP-ELECT 10U M C532 403 164 0204 CERAMIC 0.1U Z C418 403 164 0204...
  • Page 65 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 403 349 4706 ELECT 220U M 6.3V RB1432 645 037 0663 R-NETWORK 22X4 0.063W C6607 403 164 0204 CERAMIC 0.1U Z 645 033 2210 R-NETWORK 22X4 1/16W C6611 403 322 7809 ELECT...
  • Page 66 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 645 028 5998 R-NETWORK 10X4 1/16W R1352 401 105 7909 MT-GLAZE 0.000 ZA 1/16W RB532 645 037 3107 R-NETWORK 10X4 0.063W R1353 401 105 0603 MT-GLAZE 10K JA 1/16W 645 028 5998 R-NETWORK 10X4 1/16W...
  • Page 67 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1861 401 105 0405 MT-GLAZE 100 JA 1/16W R2516 401 105 2805 MT-GLAZE 2.2K JA 1/16W R1862 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R2517 401 105 4601 MT-GLAZE 3.9K JA 1/16W R1863...
  • Page 68 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R2862 401 105 5301 MT-GLAZE 4.7K JA 1/16W R323 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R2866 401 105 4502 MT-GLAZE 390 JA 1/16W R324 401 105 0603 MT-GLAZE 10K JA 1/16W R2867...
  • Page 69 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R3804 401 105 0405 MT-GLAZE 100 JA 1/16W R4199 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3806 401 105 0405 MT-GLAZE 100 JA 1/16W R420 401 105 2003 MT-GLAZE 1.8K JA 1/16W R381...
  • Page 70 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R5236 401 105 0603 MT-GLAZE 10K JA 1/16W R6217 401 203 9805 MT-GLAZE 2.7K FA 1/16W R524 401 105 7404 MT-GLAZE 8.2K JA 1/16W R6218 401 105 0405 MT-GLAZE 100 JA 1/16W R5241...
  • Page 71 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R836 401 105 0603 MT-GLAZE 10K JA 1/16W L201 645 026 0988 INDUCTOR,2.2U M R841 401 105 5301 MT-GLAZE 4.7K JA 1/16W L202 645 026 0988 INDUCTOR,2.2U M R842 401 105 7909...
  • Page 72 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description D8122 407 149 0807 DIODE 1SS355-TE-17 405 163 1602 TR 2SC2812N-L6-TB0 D8126 407 201 2701 DIODE RB051L-40-TE25 405 163 1701 TR 2SC2812N-L7-TB0 D856 407 149 0807 DIODE 1SS355-TE-17 Q5042 405 014 4509...
  • Page 73 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C3012 403 157 1508 CERAMIC 3P C R2003 401 113 4402 MT-GLAZE 75 JA 1/16W C3013 403 157 1508 CERAMIC 3P C R2004 401 113 4402 MT-GLAZE 75 JA 1/16W C3016...
  • Page 74 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R5046 401 105 2805 MT-GLAZE 2.2K JA 1/16W L3002 645 044 8843 FILTER,EMI 200MHZ R5071 401 105 2904 MT-GLAZE 22K JA 1/16W L3003 645 044 8843 FILTER,EMI 200MHZ R5072 401 105 0603...
  • Page 75 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description K10E 645 009 8093 SOCKET,D-SUB 15P C6170 403 229 3508 ELECT 100U M K20A 645 042 2799 JACK,RCA-3 403 335 0408 ELECT 100U M K20B 645 030 6297 SOCKET,DIN 4P C6171 403 229 3508...
  • Page 76 MD8-CP-305t00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description AC CORD (US) 645 054 1162 CORD,POWER-3.0MK (EU) 645 054 1155 CORD,POWER-3.0MK -76-...

  • Page 77: Mechanical Parts List

    MD8-CP-305t00 Mechanical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions. CABINET PARTS -77-...
  • Page 78 MD8-CP-305t00 Mechanical Parts List Key No. Part No. Description Key No. Part No. Description CABINET PARTS OPTICAL PARTS 610 292 6972 BUTTON CONTROL-MS6B 645 046 8483 ASSY,PRISM(PBS) 610 292 6996 BUTTON ZOOM-MS6B 645 049 7896 PRISM(PBS) 610 292 5654 BUTTON POWER-MS6A 645 051 1288 ASSY,LENS,PROJECTION 610 292 7061...

  • Page 79: Optical Parts List

    MD8-CP-305t00 Optical Parts List -79-...
  • Page 80 MD8-CP-305t00 Optical Parts List 67 (Red) 68 (Green) 69 (Blue) -80-...
  • Page 81 MD8-CP-305t00 Optical Parts List 53-a (Red) 53-b (Green) 53-c (Blue) -81-...
  • Page 82 MD8-CP-305t00 Optical Parts List 52-a -82-...
  • Page 83 MD8-CP-305t00 Optical Parts List -83-...
  • Page 84 Boxlight 19332 Powder Hill Place Poulsbo, WA 98370-7407 USA www.boxlight.com U.S. and Canada 800-762-5757 International 360-779-7901 (MD8E) Mar. 2002 Printed in Japan...
  • Page 85 MD8-CP-305t00 Diagrams & Drawings Schematic Diagrams Printed Wiring Board Drawings Model Chassis No. CP-305t MD8-CP-305t00 This model provides the following boards, and the information of part num- bers and values indicated on these diagrams are at the beginning of produc- tion.

  • Page 86: Parts Description And Reading In Schematic Diagram

    MD8-CP-305t00 Parts description and reading in schematic diagram 1. The parts specification of resistors, capacitors and Resistor Reading coils are expressed in designated code. Please check Example 1/2 D J 10K B the parts description by the following code table. 2.

  • Page 87: Circuit Block Diagram

    Circuit Block Diagram IC3011 MOITOR RGB-AMP. H-SYNC IC1391 SRAM V-SYNC TP25B1 D0-D15 TP25B2 A0-A19 IC3041 IC5241 IC5211 IC1341 SYNC-BUFFER AV/PC-RGB-SW ANALOG FLASH ROM RGB-AMP. IC501 DBB0-9 S&H_B1 TP52R TP201R B-LCD IC5271 PANEL IC401 TP52G TP201G H-SYNC IC5281 IC1401 IC6241 DIGITAL GB00-7 DIGITAL V-SYNC...

  • Page 88: Power Supply Lines

    Power Supply Lines FN902 FN904 FN901 FN903 T651 LINE FILTER BOARD CONVERTER SW902 SW904 IC631 TRANSFORMER THERMAL INTER LOCK D65B F601 SWITCHING AC CORD L601 L602 VA601 POWER SUPPLY FUSE D651 9V REG. D69B D69C D614 DB611 L611 15.5V D632 IC65A, 9V MCI Q65A...

  • Page 89: Schematic Diagrams

    Schematic Diagrams LINE FILTER BAORD TERMOSTAT INTER LOCK AC CORD (SET TO OPEN AT 100+/-5C) LF901 SW902 SW904 U20B30100 C603 C604 S10B3590N S10B3370N K903S AC100-120V (LIVE) C601 C602 L601 L602 K901S F601 VA601 :S10B5070N J11B 275GM 275GM 275GM 275GM J11B AC200-240V 4A250V F35B...
  • Page 90 IC6171 R1016 D1001 L1001 1/16GJ C1001 AV SUB BOARD UDZ6.2B 100C CG-R PC_R TA1318AF K10A_1 R1001 R1003 1/16GJ 1/16GJ R1013 R6188 K10A_2 1/16GJ R1002 R1004 1/16 K10V GZ0C 100C 1/16GJ 1/16GJ J11MD400G J10ML400G K10A HD_HSYNC HD2-IN DAC3 C6173 K10A_3 R1017 R6189 J11B0990N D1002...
  • Page 91 TP11SC TP11SC J30B J10ML540G Q131 1640G R131 C131 1/16GJ 25KZ 3.2V 100C K3U_1 GQFZ R6618 R132 K3U_5 1/16GJ AUDIO TP11SY J30B -5VS 1640G R133 L151 R152 R156 R6619 1/16GJ L2PD 1/16GJ 1/16GJ 3.2V 1/16GZ0C 100C 3R3MG 56KC 1.8KC R157 K3U_11 Q132 Q152 5VPC...
  • Page 92 TP207 TP206 J30B J30B 1640G 1640G GRE0 GRE1 GRE2 GRE3 GRE4 GRE5 AV/PC-RGB GRE6 GRE7 L201 L203 L2PD2R2MG L2PD2R2MG AV/PC 3.3VAS 3.3VS C201 C221 6.3EM220WM 16KK0.1GQBY :6.3EM220F1 :16KK0.1MABY L202 L2PD2R2MG C202 C206 C205 IC5241 L5201 25KZ 25KZ 6.3EM220WM 1/8GZ000 C222 :6.3EM220F1 C203 GQFZ...
  • Page 93 IC201 IC8001 RB312 RB311 RB326 RB325 RB324 RB323 RB322 RB321 R1HA1034G R1HA1034G DVI I/F :R1A41034G :R1A41034G 3.3VS C301 6.3EM220WM CONTROL :6.3EM220F1 C303 C304 C302 6.3EM220WM 25KZ TP1302 25KZ TP1301 :6.3EM220F1 J30B J30B 1640G MEMORY GQFZ GQFZ 1640G 2.5VS 3.3VS IC1301 24LC16BT/SN-T R1301 GBE0...
  • Page 94 KEYSW.LED J10EZ120G K8A_1 3.3VS 3.3VS K8A_2 R2821 1/16GJ470C K8A_3 IC801 KEYSW1 KEYSW1 R2822 1/16GJ470C K8A_4 KEY SW. KEYSW2 KEYSW2 R2823 1/16GJ470C 50-52 K8A_5 KEYSW3 KEYSW3 BOARD TURBO_LED R2824 R2826 D2821 D2823 "K68A" 1/16 1/16 UDZ12B UDZ12B K8A_7 10KC 10KC C2821 C2822 C2823 R2825...
  • Page 95 D3591 1SS355 P_FAIL Q3591 L3591 2SA1203Y 1/8GJ10 15.5V 15VL K25BB R3591 15.5V 1/16GJ R2591 L2591 1.5KC 1/8GZ000 L2A7 R503 3R3MG R3592 STSQEB 1/16GJ C2591 C3592 C512 4.7KC 16EM100D 16EM10D STSQOB 25KZ0.1 :16EM100F1 K25B C2502 R504 R506 GQFZ :16EM10F1 25KZ0.1 VDDY J11EA300G XFRB Q3592...

  • Page 96: Printed Wiring Board Diagrams

    Printed Wiring Board Diagrams CAUTION This projector is isolated from AC line by using the internal converter transformer. Please pay attention to the following notes in servicing 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 97 SW Board (SIDE:B) SW Board (SIDE:A) R6821 Main Board SW6812 R6819 “K8A” POWER 1AA4B10C2860A_B R6832 R6833 K68A TEMP WARNING(R) a side D6803 D6802 D6804 R6822 R6831 R6823 D6832 D6833 READY(G) R6834 C6803 LAMP REPLACE(Y) C6802 R6813 D6831 D6801 C6801 D6834 R6804 POWER(R) R6806...
  • Page 98 Main Board (SIDE:A) Main Board (SIDE:B) Av Sub Board AV Board “K10W” “K10U” “K10U” “K10T” C6221 R6217 C5202 C8122 C6202 D6222 D6224 C6204 C8024 C8026 C6216 C5243 C8027 R4198 IC8131 IC6211 R8029 R8001 L8051 D6221 R3806 R8143 R6227 R6211 R8011 D8126 C131 R5212...
  • Page 99 MD8-CP-305t00 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 E: Emitter S: Source C1 C2 C1 C2 (GND) RESET (IN) (OUT) Index Index Index Index Index Index...
  • Page 100 Diagrams & Drawings CP-305t Mar. 2002...

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