promethean PRM-20 Service Manual
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promethean PRM-20 Service Manual

Multimedia projector
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SerVIce MANuAL

Product code
1 122 483 18
(KM5YC)
1 122 483 19
(KM5ZC)
Multimedia Projector
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 the unit's, additional Service Literature is required. You
must refer to "Notices" to the Original Service Manual prior to
servicing the unit.
FILE NO.
Model No. PrM-20
original Version
Chassis No. KM5-2000
KM5-20(S)00
REFERENCE NO.
PrM-20(S)
U.S.A. Canada
Europe, U.K
SM
5111026-00

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Summary of Contents for promethean PRM-20

  • Page 1: Service Manual

    FILE NO. SerVIce MANuAL Multimedia Projector Model No. PrM-20 PrM-20(S) U.S.A. Canada Europe, U.K original Version Chassis No. KM5-2000 KM5-20(S)00 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 the unit’s, additional Service Literature is required.

  • Page 2: Table Of Contents

    contents SERVICE MANUAL ............1 IIC bus control circuit ..........58 Safety Instructions ............3 Network circuit ............59 SAFETY PRECAUTIONS ........... 3 Troubleshooting ............60 PRODUCT SAFETY NOTICE........3 Indicators and Projector Condition ......60 SERVICE PERSONNEL WARNING ......3 No Power ..............

  • 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 identified with the line ( ) in the schematic diagram.

  • Page 4: Specifications

    Specifications Mechanical Information Projector Type Multi-media Projector Dimensions (W x H x D) 1.59" x 5.7" x 11.85" (19.9 mm x 145.5 x 00.9 mm) (Not including protrusions) Net Weight 7 .5 lbs (.4 kg) Feet Adjustment 0˚ to 10.0˚ Panel resolution LCD Panel System 0.59”...

  • Page 5: 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 switch There is the thermal switch (SW90) inside of the projector to de- tect the internal temperature rising abnormally.

  • Page 6: Fuse

    circuit Protections Fuse A fuse is located inside of the projector. When the POWER indica- tor is not lightning, the fuse may be opened. Check the fuse as Fuse cover following steps. The fuse should be used with the following type; Fuse Fuse Part No.: 323 021 7804 tYPe t6.3AH 250V FuSe...

  • Page 7: Maintenance

    Maintenance Air filter care and cleaning Air filters prevent dust from accumulating on the optical elements inside the projector. Should the air filters become clogged with dust particles, it will reduce cooling fans’ effectiveness and may result in internal heat build up and adversely affect the life of the projector.

  • Page 8: Attaching The Lens Cover

    Maintenance 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 9: Cleaning The Projection Lens

    Maintenance cleaning the Projection Lens cAutIoN This projector is equipped with a plastic lens. Do not rub the lens with a hard fiber cloth or hit it with something hard to prevent the lens from scratching. Do not use a chemical cleaner (liquid and solid) to avoid deteriorating the lens. Unplug the AC power cord before cleaning.

  • Page 10: Lamp Replacement

    See “Lamp Replacement Counter” on the next page. order rePLAceMeNt LAMP Replacement lamp can be ordered through your dealer. When ordering a projection lamp, give the following information to the dealer. Model No. of your projector : PrM-20/PrM-20(S) ● replacement Lamp type No. : PoA-LMP126 PoA-LMP126 ●...

  • Page 11: How To Check Lamp Used Time

    Lamp replacement Lamp replacement counter Be sure to reset the Lamp replacement counter after the lamp is replaced. When the Lamp replacement counter is reset, the LAMP REPLACE indicator stops lighting. Lamp counter Turn the projector on and press the MENU button to Lamp counter display the On-Screen Menu.

  • Page 12: Security Function Notice

    Security Function Notice Security Function disable This projector provides security functions such as "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 13: Service Port

    Service Port Switch of standby mode Standby mode "Eco" : Super standby mode Standby mode "Normal": Normal standby mode The standby mode is factory default set "Eco". In standby state, when you use the projector via network, the item of the standby mode in the setting menu must be set to "Normal".

  • Page 14: 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 15 Mechanical disassembly Main Board, rear Panel, Fan (FN905), SP901 removal 1. Remove  screws A (M.5x6) to remove the Lamp Spacer Sheet. . Remove 7 screws B (M.5x6) and screw C (M.5x8) to remove the Main Board and remove screw D (M4x5) to remove the Grounding lead. .
  • Page 16 Mechanical disassembly Power, Line Filter, Ballast Board, thermal Switch (SW902), Fan (FN906) removal 1. Remove the Isolation sheet Ass'y. . Remove 4 screws A (Tx6) to remove the Power Board and  screws B (Tx6) to remove SW90. . Remove 4 screws C (Tx6) to remove the Ballast Board. 4.
  • Page 17 Mechanical disassembly optical unit, Fans (FN903, FN904), Noise Filter removal 1. Remove the Lens top spacer sheet. . Remove 6 screws A (Tx6) and  screws B (Tx1) to remove the Optical unit. . Remove the Lens bottom spacer sheet. 4.
  • Page 18 Mechanical disassembly Alarm-A and Alarm-B board removal 1. Remove 4 screws A (Tx6) to remove the Alarm_A Board, LED Spacer and Alarm_B Board. . Remove screw B (Mx8) to remove the Battery cover and the Battery. . Remove screw C (Mx8) to remove the Swicth cover. 4.

  • Page 19: Optical Parts Disassembly

    optical Parts disassembly Before taking this procedure, remove Cabinet Top, Main Board and the Lamp Spacer Sheet following to the "Mechanical Disassembly” . Disassembly requires a .0mm hex wrench. Projection lens removal (Mx8)x4 Note on replacing the Projection Lens - When the Projection Lens is replaced with the new one and reassembled, please make the lens near the side to the Prism and fix it.
  • Page 20 optical Pats disassembly relay lens disassembly (M.5x5)x Relay lens Ass'y (Mx) Relay lens Fig.3 Polarized glass-in disassembly (M.5x5)x1 Polarized glass-in Ass'y Film side Polarized glass Fig.4 -0-...
  • Page 21 optical Parts disassembly Lcd Panel/Prism Ass’y removal LCD Panel/ (M.5x4)x Prism Ass’y (Mx10) (Bottom side) Fig.5 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.

  • Page 22: Panel Type Check

    optical Parts disassembly Panel type check There are  types of LCD/Prism Ass'y for this model. Either L-Type or R-Type LCD /Prism Ass'y is used on the projec- tor. Check which type of LCD/Prism Ass'y is used with the figure below. When replacing the LCD/Prism Ass'y, you need to take "Panel Type Check and Setting"...

  • Page 23: Optical Unit Top Removal

    optical Parts disassembly Polarized glass, Pre-polarized glass removal (Mx) (Mx) (Green) (red) Pre-Polarized Glass(G) Polarized Glass(G) (Mx4) (Mx) Pre-Polarized Glass(B) Film (Blue) Polarized Glass(R) Fig.6 Polarized Glass(B) * Mount the polarized glasses as the film attached side comes to the LCD Film panel side.

  • Page 24: Locations And Directions

    optical Parts disassembly Locations and directions When mounting or assembling the optical parts in the optical unit, the parts must be mounted in the specified Parts Name location and direction as shown in figure below. Integrator lens (OUT) Prism beam splitter (PBS) Condenser lens (OUT) Dichroic mirror (B) Dichroic mirror (G)

  • Page 25: Adjustments

    Adjustments Adjustments after Parts replacement ● : Adjustment necessary ❍ : Check necessary disassembly / replaced Parts Polarized Glass Lcd/ Integrator relay Power Board Main Board Prism Ass’y Lens (out) Lens (out) Contrast Adjustment R-Contrast adjustment ● G-Contrast adjustment ● B-Contrast adjustment ●...

  • Page 26: Optical Adjustments

    optical Adjustments Before taking optical adjustments below, remove the Cabinet Top and the Lamp Spacer Sheet following to the "Mechanical Disassembly” . Adjustments require a .0mm hex wrench and a slot screwdriver. When you adjust Integrator lens or Relay lens adjustment, you need to disconnect FPC cables of LCD panels on the main board.

  • Page 27: Integrator Lens Adjustment

    optical Adjustments Integrator lens adjustment Turn the projector on by a state of without FPC cables. Project all of lights on the screen. Adjust the adjustment base of integrator lens assy to make color uniformity in white. 1) If the shading appears on the left or right of the screen as White shown in Fig.2-1, loosen 1 screw , and adjust the slot...
  • Page 28 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 uni- formity in white. If the shading appears on the left or right of the screen as shown in Fig.3, loosen 1 screw , and adjust the slot to make color...

  • Page 29: Electrical Adjustments

    electrical Adjustments Service Adjustment Menu operation to enter the service mode To enter the “ Service Mode” , press and hold the MeNu button on the remote control for more than 0 seconds. The service menu appears on the screen as follows. to adjust service data Select the adjustment group no.

  • Page 30: 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 more than ten minutes. WArNING : uSe uV rAdIAtIoN eYe ANd SKIN ProtectIoN durING SerVIcING.
  • Page 31 electrical Adjustments Gain adjustment [Pc] 2. Panel Type Check and Setting 1. Enter the service mode. * Before setting, you need to check which type of LCD pan- . Receive the 16-step grey scale computer signal with el is placed on the projector according to the item "LCD computer1 [rGB] mode.

  • Page 32: Common Center Adjustment

    electrical Adjustments tP_r1 5. Connect an oscilloscope to test point “ ” (+) 5. Auto Calibration adjustment [Video] and chassis ground (-). 1. Enter the service mode. 6. Select item no. “ ” and change data value to adjust . Receive the 16-step grey scale composite video sig- the pedestal level and black level to be the same lev- Video [Video] nal with...
  • Page 33 electrical Adjustments 10. White Balance adjustment [Video] 7. 50% White adjustment [PC] 1. Enter the service mode. 1. Enter the service mode. . Receive the 16-step grey scale composite video sig- . Receive the 16-step grey scale computer signal with Video[Video] computer1 [rGB] nal with...

  • Page 34: Test Points And Locations

    electrical Adjustments test Points and Locations MAIN BoArd TPFANA TPFANB K35B TP_R1 TP_G1 -4-...

  • Page 35: 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 adjustment items indicated with “ ✻” are required to readjust following to the “ Electrical adjustments” . Other items should be used with the initial data value.
  • Page 36 electrical Adjustments Group/ Item Name Function Initial range Note Item 150 PreCoast YCbCr 480i 0 - 6 151 PostCoast YCbCr 480i 0 - 6 15 PreCoast YCbCr 575i 0 - 6 15 PostCoast YCbCr 575i 0 - 6 154 PreCoast YCbCr 480p 0 - 6 155 PostCoast YCbCr 480p 0 - 6...
  • Page 37 electrical Adjustments Group/ Item Name Function Initial range Note Item Motion Adaptive Weight <KDEINT> 0 - 55 Value 0 : Conservative <====> 4 : 1 Angle Interpolation Level 0 - 4 Aggressive  CUE Low Pass Filter Enable <CUELPFEN> 0 - 1 Group deinterlacer setting Effective only for Progressive ON-L mode.
  • Page 38 electrical Adjustments Group/ Item Name Function Initial range Note Item Film Detection Sensitivity 1 Video Motion Sensitivity 1 - 5 <VOFSTVT>  Video Motion Threshold Low <VOFTHRDA> 0 - 767  Video Motion Threshold <VOFTHRDB> 0 - 767 High 4 Global Motion Threshold <GMDTHRD>...
  • Page 39 electrical Adjustments Group/ Item Name Function Initial range Note Item  LineR1 0-10 (MIN<-->MAX Cyclic Operation) 4 LineR 0-10 (MIN<-->MAX Cyclic Operation) 5 LineR 0-10 (MIN<-->MAX Cyclic Operation) 6 LineR4 0-10 (MIN<-->MAX Cyclic Operation) 7 LineG0 0-10 (MIN<-->MAX Cyclic Operation) 8 LineG1 0-10 (MIN<-->MAX Cyclic Operation)
  • Page 40 electrical Adjustments Group/ Item Name Function Initial range Note Item 10 FrontCTalkB-End 0-55 10 R-DCOffset-NGain 0-10 Scan Direction (Front/Rear) 104 R-DCOffset-N1 80/80 0-047 Scan Direction (Front/Rear) 105 R-DCOffset-N 0-047 Scan Direction (Front/Rear) 106 R-DCOffset-N 0-047 Scan Direction (Front/Rear) 107 R-DCOffset-N4 0-047 Scan Direction (Front/Rear) 108 R-DCOffset-N5...
  • Page 41 electrical Adjustments Group/ Item Name Function Initial range Note Item 171 B-DCOffset-P 0-047 Scan Direction (Front/Rear) 17 B-DCOffset-P4 0-047 Scan Direction (Front/Rear) 17 B-DCOffset-P5 0-047 Scan Direction (Front/Rear) 174 B-DCOffset-P6 0-047 Scan Direction (Front/Rear) 175 B-DCOffset-P7 0-047 Scan Direction (Front/Rear) 176 B-DCOffset-P8 0-047 Scan Direction (Front/Rear)
  • Page 42 electrical Adjustments Group/ Item Name Function Initial range Note Item Group Panel Service(6150/1060) 0 R_LCCOM 0-511 1 G_LCCOM 0-511  B-LCCOM 0-511  R-LCCOM-Gain 0-55 4 G-LCCOM-Gain 0-55 5 B-LCCOM-Gain 0-55 6 R-LCCOM-Bright 0-55 7 G-LCCOM-Bright 0-55 8 B-LCCOM-Bright 0-55 9 R-LCCOM-Cent 0-6 10 G-LCCOM-Cent...
  • Page 43 electrical Adjustments Group/ Item Name Function Initial range Note Item Lamp Life at High Mode (Warning 500 -  Lamp Warning Time (HIGH) Time at High) 8000 50 Lamp Replacement Display Lamp Warning Display On / Off 0 - 1 1: On, 0: Off 51 Filter Warning Display Filter Warning Display On / Off...
  • Page 44 electrical Adjustments Group/ Item Name Function Initial range Note Item Luminance Level 8 Data for Dimmer: 7 DIMMER_CTRL_LEVEL8 Dim Level 8 at the less than the 0-55 Value Luminance Level 9 Data for Dimmer: 8 DIMMER_CTRL_LEVEL9 Dim Level 9 at the less than the 0-55 Value Luminance Level 10 Data for...
  • Page 45 electrical Adjustments Group/ Item Name Function Initial range Note Item Temp. C-A to judge the Temp Error at 9 Temp C-A Warning(Normal) 0-100 Normal (Clogging Det.) Temp. A to judge the Temp Error at 10 Temp A Warning (Eco) 0-100 Eco (Room) Temp.
  • Page 46 electrical Adjustments Group/ Item Name Function Initial range Note Item Group Fan dimmer Setting Dimmer Average measurement Time 0 Dimmer Average Chech (0:10sec. 1:0sec. :60 sec. 90: 0-10 Period sec...10:0sec.) 1 Dimmer Average Dimmer Average Value (Read only)  Last Voltage Difference  Voltage Difference Goal Group FAN network mode Ic temp.
  • Page 47 electrical Adjustments Group/ Item Name Function Initial range Note Item 7 Y - GAIN AREA V START 0 - 1000 8 CB - GAIN AREA H START 0 - 1000 9 CB - GAIN AREA V START 0 - 1000 10 CR - GAIN AREA H START 0 - 1000 11 CR - GAIN AREA V START...
  • Page 48 electrical Adjustments Group/ Item Name Function Initial range Note Item  V Back Porch 0 ~ 4095 4 Disp Line 0 ~ 4095 Group Ycbcr (480i) 0 Total Dots 0 ~ 4095 1 Disp Dots 0 ~ 4095  H Back Porch 0 ~ 4095  V Back Porch 0 ~ 4095...
  • Page 49 electrical Adjustments Group/ Item Name Function Initial range Note Item  V Back Porch 0 ~ 4095 4 Disp Line 101 0 ~ 4095 Group rGB Video (480i) 0 Total Dots 0 ~ 4095 1 Disp Dots 0 ~ 4095  H Back Porch 0 ~ 4095  V Back Porch...
  • Page 50 electrical Adjustments Group/ Item Name Function Initial range Note Item Group rGB Video (1080i - 50) 0 Total Dots 640 0 ~ 4095 1 Disp Dots 1868 0 ~ 4095  H Back Porch 0 ~ 4095  V Back Porch 0 ~ 4095 4 Disp Line 105...

  • Page 51: Chassis Block Diagrams

    chassis Block diagrams chassis over view SP901 FN901 FN901 FN902 FN903 FN904 FN905 FN906 -51-...

  • Page 52: System Control

    chassis Block diagrams System control IC301 IC1802 SCALER <PW190> I/O EXPANDER -5-...

  • Page 53: Lamp Control

    chassis Block diagrams Lamp control -5-...

  • Page 54: Audio Circuit

    chassis Block diagrams Audio circuit -54-...

  • Page 55: Power Supply & Protection Circuit

    chassis Block diagrams Power supply & protection circuit IC631 POWER OSC. <STR-Z2156> IC601 P.F.CONTROL <FA5502> BLAST_AC FAN_ERR IC301 SCALER <PW190> -55-...

  • Page 56: Fan Control Circuit

    chassis Block diagrams Fan control circuit TPFANA Q7812 FN906 S15.5V FAN_A D3624 D3613 Q7811 FN903 IC7811 D3622 Q7813 Q7864 FN904 D3621 TPFANB Q7862 FN901 FAN_B D3623 FN902 D3614 D3626 FN905 D3627 Q3601 P_FAIL P_FAIL P_Fail: H Power Error: On FAN_ERR LAMP IC4891 COVER...

  • Page 57: Alarm Circuit

    chassis Block diagrams Alarm circuit RECHARGABLE BATTERY -57-...

  • Page 58: Iic Bus Control Circuit

    chassis Block diagrams IIc bus control circuit DSub15 -58-...

  • Page 59: Network Circuit

    chassis Block diagrams Network circuit -59-...

  • Page 60: Troubleshooting

    troubleshooting Indicators and Projector condition Check the indicators for projector condition. Indicators LAMP Projector condition WArNING PoWer rePLAce red/green yellow The projector is off. (The AC power cord is unplugged.) The projector is preparing for stand-by or the projection lamp is being cooled down.

  • Page 61: 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 Power 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 62: No Picture

    troubleshooting No Picture Check following steps. No picture with all of input sources Check signal processing stage and LCD driving stage; Check RGB S&H signals at test points TP_B1, TP_G1, TP_R1. Check power supply circuit 15.5V and peripheral circuit. Check ICs IC501, IC51, IC561, IC501, IC51, IC561, IC401, IC01 and peripheral circuits.

  • Page 63: No Sound

    troubleshooting No Sound Check following steps. check if the audio signal is observed at pins 5 and Check IC5001 and peripheral circuit. 7 of Ic5001. Check 5V_AUDIO, 9V power supply. check if the audio signal Check IC501 and peripheral circuit. is observed at pins 5 and Check the Mute signal at pin 1 of IC501.

  • Page 64: Control Port Functions

    control Port Functions Scaler I/o Port Functions (PW190) Port SIGNAL Port NAMe FuNctIoN deScrIPtIoN NAMe PORTC5 ON_V .V Power Drive, Power On: H PORTD6 DDC_SW DDC_SW DDC_SW PORTC6 MUTE Sound Mute Drive, Mute On:H PORTC1 SCS_PW -Wired Serial Control TXD_PW TXD_PW Serial Control TXD PORTE...

  • Page 65: I/O Expander Port Functions (Te7783)

    control Port Functions I/o expander Port Functions (te7783) PIN No. NAMe FuNctIoN ActIoN I/O_TXD0 For Alarm I/O_AN For Alarm I/O_ALART_OUT For Alarm LEDN POWER_ON_MCI H: MCI ON AIN1 P_FAIL_MCI TXD_MCI For MCI RXD_MCI For MCI TXD_MCI For MCI RXD_MCI For MCI I/O_RXD0 For Alarm I/O_CLK0...

  • Page 66: Waveform

    Waveform cVBS <tcV> HSYNc signal <tGHS> VSYNc signal <tVGS> HSYNc signal <tdHS> VSYNc signal <tdVS> r-S&H signal <tP_r1> G-S&H signal <tP_G1> B-S&H signal <tP_B1> -66-...

  • Page 67: Ic Block Diagrams

    Ic Block diagrams ● TC74LVX4053 <Analog Multiplexer/Demultipexer, IC1041> ● FA7703<ddc control, Ic7811> -67-...
  • Page 68 Ic Block diagrams ● FA5502 <P.F. Control, IC621> ● MP2106 <DC-DC Converter, IC5821, IC5861> -68-...
  • Page 69 Ic Block diagrams ● HIN202EIB <RS-232C Driver, IC3801> ● L3E06150 <D/A, S/H-LCD Driver, IC501, IC531, IC561> -69-...
  • Page 70 Ic Block diagrams ● L3E07111 <LCD Driver & Gamma Correction, IC401> ● L3E01060 <Level Shift, IC2501, IC2531, IC2561> -70-...
  • Page 71 Ic Block diagrams ● LM4889 <Audio Output, IC5031> ● NJW1156 <Audio Control, IC5001> -71-...
  • Page 72 Ic Block diagrams ● PW190 <System Control, ADC, Video Decoder, Scaler, IC301> ● Str-Z2156<Power oSc, Ic631> -7-...
  • Page 73 Ic Block diagrams ● TE7783 <Parallel I/O Expander, IC1802> ● R5F21134FP <System Control Alarm, IC8701> -7-...
  • Page 74 Ic Block diagrams ● LAN9118 <LAN Driver, , IC8801> ● MC9328MX21 <System Control of Network, IC8301> -74-...

  • Page 75: Electrical Parts List

    KM5-000, KM5-0(S)00 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 76: Electrical Parts Location

    KM5-000, KM5-0(S)00 electrical Parts List electrical Parts Location ● Assemblied Boards A8750 Alarm_B Board A8700 A101 Alarm_A Board Main Board A630 A600 Line Filter Board Power Board A102 R/C Board A901 Ballast Board ● Out Of Circuit Board LF901 FN904 Noise Filter Cooling Fan (G) FN905...

  • Page 77: Electrical Parts List

    KM5-2000, KM5-20(S)00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 305 173 9915 TR 2SC3928A1S Q643 305 217 6600 TR 2SK3934 ASSEMBLED BOARD Q651 305 014 4512 TR 2SC2412K T146 R 305 014 4611 TR 2SC2412K T146 S A600 610 334 8797 ASSY,PWB,POWER KZ6AC 305 015 8727...
  • Page 78 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C654 303 164 0217 CERAMIC 0.1U Z R656 301 256 6215 MT-GLAZE 270 JA 1/10W C655 303 164 0217 CERAMIC 0.1U Z R657 301 150 6212 MT-GLAZE 1K JA 1/10W C656...
  • Page 79 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description Q8754 305 191 5814 TR 3LN01C-TB-E C601 304 079 5608 MT-POLYEST 0.47U M 275V Q8756 305 134 5928 TR 2SA1037AK-T146-R 304 094 2002 MT-POLYEST 0.47U K 275V 305 147 2218 TR 2SA1037AK-S-T146...
  • Page 80 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description R8761 301 150 6113 MT-GLAZE 2.2K JA 1/10W Q1008 406 021 7804 TR 2SC4617 R8762 301 150 6212 MT-GLAZE 1K JA 1/10W Q1062 406 021 7804 TR 2SC4617 R8763 301 150 6212...
  • Page 81 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description IC4701 309 428 8428 IC TC7WT125FU-TE12L 303 442 0519 CERAMIC 0.068U K IC4891 309 404 7213 IC TC7SET00FU-(TE85L) C1042 303 453 8917 CERAMIC 0.1U K IC5001 409 683 5716 IC NJW1156AV...
  • Page 82 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description 303 453 8610 CERAMIC 0.1U K 303 397 7618 CERAMIC 1U K 303 409 3426 CERAMIC 0.1U K C2539 303 453 8917 CERAMIC 0.1U K C1824 303 453 8917 CERAMIC...
  • Page 83 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C307 303 453 8917 CERAMIC 0.1U K 303 453 8610 CERAMIC 0.1U K 303 453 8610 CERAMIC 0.1U K 303 409 3426 CERAMIC 0.1U K 303 409 3426 CERAMIC 0.1U K...
  • Page 84 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C358 303 453 8917 CERAMIC 0.1U K C3803 303 453 8917 CERAMIC 0.1U K 303 453 8610 CERAMIC 0.1U K 303 453 8610 CERAMIC 0.1U K 303 409 3426 CERAMIC 0.1U K...
  • Page 85 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description 303 282 5118 CERAMIC 470P K C5005 303 392 1215 ELECT 47U M 6.3V C422 403 455 1012 CERAMIC 1U K 303 387 5310 ELECT 47U M 6.3V 303 433 1112...
  • Page 86 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C509 403 467 0911 CERAMIC 0.1U K C549 303 453 8917 CERAMIC 0.1U K C510 403 467 0911 CERAMIC 0.1U K 303 453 8610 CERAMIC 0.1U K C511 403 467 0911...
  • Page 87 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C5822 303 157 7018 CERAMIC 1800P K 303 441 9919 CERAMIC 6800P K C5823 303 454 0613 CERAMIC 0.01U K C8002 403 455 5317 CERAMIC 6800P K 303 441 9810 CERAMIC...
  • Page 88 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C8329 303 453 8917 CERAMIC 0.1U K C8806 303 454 0613 CERAMIC 0.01U K 303 453 8610 CERAMIC 0.1U K 303 441 9810 CERAMIC 0.01U K 303 409 3426 CERAMIC 0.1U K...
  • Page 89 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description C9703 303 453 8917 CERAMIC 0.1U K R1353 301 225 0213 MT-GLAZE 3.3K JA 1/16W 303 453 8610 CERAMIC 0.1U K R1354 301 225 0213 MT-GLAZE 3.3K JA 1/16W 303 409 3426...
  • Page 90 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description R2053 301 224 8814 MT-GLAZE 100 JA 1/16W R328 301 256 6017 MT-GLAZE 27K JA 1/10W R243 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R329 301 150 5918 MT-GLAZE 10K JA 1/10W...
  • Page 91 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description R407 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R5216 301 224 8814 MT-GLAZE 100 JA 1/16W R4072 301 224 8814 MT-GLAZE 100 JA 1/16W R522 301 226 1516 MT-GLAZE 0.000 ZA 1/16W...
  • Page 92 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description R6832 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R8322 301 224 9019 MT-GLAZE 10K JA 1/16W R6836 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R8331 301 224 9019 MT-GLAZE 10K JA 1/16W...
  • Page 93 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description R8822 301 225 8110 MT-GLAZE 10 JA 1/16W RB503 645 071 9592 R-NETWORK 0X4 1/32W R8831 301 225 8110 MT-GLAZE 10 JA 1/16W 945 036 3529 R-NETWORK 0X4 1/32W R8832 301 225 8110...
  • Page 94 KM5-000, KM5-0(S)00 Electrical Parts List Key No. Part No. description Key No. Part No. description L1051 945 086 7577 FILTER,EMI 400MHZ L5861 945 062 2930 INDUCTOR,10U M L1061 945 086 7577 FILTER,EMI 400MHZ L5862 945 041 1978 INDUCTOR,330 OHM L1071 945 086 7577 FILTER,EMI 400MHZ L5867...
  • Page 95 KM5-2000, KM5-20(S)00 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 307 210 1923 DIODE 1SS400 TE-61 SC1081 945 076 3503 SURGE-ABSORBER D5622 307 235 0816 DIODE 1SS387 TPL3 SC1091 945 076 3503 SURGE-ABSORBER 307 210 1923 DIODE 1SS400 TE-61 SC2011 945 076 3503 SURGE-ABSORBER...

  • Page 96: Mechanical Parts List

    KM5-000, KM5-0(S)00 Mechanical Parts List cabinet Parts Location c02-2 c2-1 -96-...

  • Page 97: Optical Parts Location

    KM5-000, KM5-0(S)00 Mechanical Parts List optical Parts Location Integrator Lens-In (Integrator-In) Relay Lens-Out (Relay-out) -97-...
  • Page 98 KM5-000, KM5-0(S)00 Mechanical Parts List Polarized Glass-In L02-r (Polarized-in-R) L02-G (Polarized-in-G) L02-B (Polarized-in-B) Projection Lens (Projection Lesn) -98-...
  • Page 99 KM5-000, KM5-0(S)00 Mechanical Parts List Prism/LCD Panel Assy (red) (Green) L01-2G L01-1G L01-2B (Blue) L01-1r L01-1B (Prism/LCD panel Ass'y) -99-...
  • Page 100 KM5-000, KM5-0(S)00 Mechanical Parts List In the Optical Unit -100-...

  • Page 101: Mechanical Parts List

    KM5-000, KM5-0(S)00 Mechanical Parts List Mechanical Parts List Note: Parts order must contain chassis No., Part No., and descriptions. Key No. Part No. description Key No. Part No. description FOR KM5-2000 945 078 0722 LENS,CONDENSER(OUT) 945 078 0739 LENS,CONDENSER(G) CABINET PARTS 945 078 0753 LENS,RELAY(OUT) 910 323 1779...
  • Page 102 KM5-000, KM5-0(S)00 Mechanical Parts List Key No. Part No. description Key No. Part No. description FOR KM5-20(S)00 945 081 7640 MIRROR(B) 945 081 7657 MIRROR(R) CABINET PARTS 945 078 0845 PRISM(PBS) 910 323 1779 ASSY,STAND LEG-MT5A 945 085 0043 DICHROIC MIRROR (B) 910 330 9362 ASSY,STAND-KT6AC 945 078 0784...
  • Page 103 KM5-000, KM5-0(S)00 -10-...
  • Page 104 (KM5YC, KM5ZC) January 2009 DC 200 Printed in Japan...

  • Page 105: Diagrams & Drawings

    KM5-20(S)00 these schematic diagrams and printed wiring board drawings are part of the service manual original for chassis No. KM5-2000 and KM5-20(S)00, models PrM-20 and PrM-20(S). File with the service manual No. SM5111026-00. Note: All the information of part numbers and values indicated on these diagrams are at the beginning of production.

  • Page 106: Parts Description And Reading In Schematic Diagram

    KM5-000, KM5-0(S)00 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 107 KM5-000, KM5-0(S)00 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 ● IC ●...
  • Page 108 KM5-000, KM5-0(S)00 Note on Soldering do not use solder containing lead. Solder This product has been manufactured using lead-free Use solder with the metal content and composition solder in order to help preserve the environment. ratio by weight given in the table below. Do not use Because of this, be sure to use lead-free solder solders which do not meet these conditions.

  • Page 109: Schematic Diagrams

    PROJECTION LENS Schematic Diagrams ALARM-A Q8757 3.2VC 3LN01C R8714 1AV4Z10B62200 1/10GJ3.3KC R8781 R8782 1/10GZ0C 3.2VC R8715 Q8758 1/10GJ3.3KC R8784 3LN01C 1/10GZ0C R8783 3.2VC R8716 1/10GJ3.3KC Q8759 R8786 R8787 3LN01C-EP 1/10GZ0C D8704 RB551V -30G AC CORD 3.2VC LINE FILTER R8773 POWER FACTOR CORRECTION 1/10GJ POWER 3.3KC...
  • Page 110 K10A BJ11B0381N SC1001 L1002 K10A_1 C1004 R1001 F34DH407G K10A_6 16KK0.1MN 1/3GJ75 R1033 Q1001 :16KK0.1AYH R1002 :16KK0.1AXH 1/16GJ10A TXXLBB013P TO IC301 P3 K10A_2 1/16GJ100A SOG1 RGB/ K10A_3 R1040 R1003 C1008 YCbCr/ K10A_13 L1012 R1011 1/16GJ1KA 1/16GJ10A 16KK0.1MN SC1011 R1012 SCART F34DH407G 1/3GJ75 1/16GJ100A :16KK0.1AYH...
  • Page 111 S3.3VPW 16KK0.1MN R357 R358 ;16KK0.1AYH SDATA_PW S3.3VPW R1351 R1352 TO GAMMA,S/H SCS_PW 1/16GJ10KA 1/16GJ10KA R1354 R1353 1/16GJ3.3KA 1/16GJ3.3KA SCL2_5V TO IC5001 (AUDIO) TO DDC SDA2_5V C1351 IC1351 16KK0.1MN ;16KK0.1AYH TC7WBD125AFK ;16KK0.1AXH R403 1/16GJ100A DCLK DB[0-9] DG[0-9] DR[0-9] S3.3VPW R314 1/16GZ0A DDC_SW R321 R322...
  • Page 112 EXHAUST EXHAUST EXHAUST SIDE SIDE FRONT G/R-PNL B-PNL LAMP POWER FN901 FN906 FN902 FN904 FN903 FN905 60X25mm 52X15mm 60X15mm J10EG J10EG J10EG J10EG J10EG J10EG 035G 035G 036G 035G 035G 035G K6L_3 K8P_3 K6J_3 K6M_3 K6K_3 K8N_3 FB3627 FB3626 FB3624 FB3623 L26B3470G L26B3470G...
  • Page 113 POWER FOR MCI S3.3V R5754 1/16GJ10KA L5702 L26B3470G 3.3V_MCI 3.3V_MCI IC9883 R410 TC7SZ125FUK 1/16GZ0A R426 R5753 1/16GJ10KA 1/16GJ1KA TO IC501 (S&H) POW_ON_MCI Q5752 R427 POWER_ON_MCI 1/16GZ0A R5751 RESET C5752 R G B COMMON 1/16GJ10KA 10KK2.2GQ :10KK2.21D C428 R5752 16KK0.1MN 1/16GJ4.7KA :16KK0.1AYH :16KK0.1AXH R424...
  • Page 114 FRPR FROM IC401 SHCLKR XFRR R591 C585 R593 C586 1/16GZ0A R3506 15.5VL L561 C3513 R3535 C3512 25EM1001X L26B3470G 25EM1001X F34DF222G ;25EM1001Z TF15.5VL 3.3V ;25EM1001Z 15.5V C3511 TP_R1 R3505 25KK Q3502 C579 1/16GJ 2SA1203Y C584 16KK0.1MN C589 1.5KA 16KK101G :16KK0.1AYH 16KK0.1MN R3507 :16KK0.1AXH P_FAIL...
  • Page 115 A2[1-22] D2[0-15] D2[0-15] IC8501 A2[17] 3.3V_CPU R8506 A2[16] 1/16GZ0A A2[15] BYTE# A2[14] A2[13] D2[15] DQ15/A-1 3.3V_CPU A2[12] D2[7] A2[11] D2[14] DQ14 A2[10] D2[6] R8503 R8504 A2[9] D2[13] 1/16GJ DQ13 1/16GJ 10KA 10KA A2[20] D2[5] A2[21] D2[12] DQ12 D2[4] 3.3V_CPU A3.2V_LAN RESET# nCPURESETOUT RB8322...
  • Page 116 NO DATA SCH_KM5YC, SCH_KM5ZC...

  • Page 117: 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 R/C (SIDE:A) R/C (SIDE:B) sides (secondary circuit) at the same time.
  • Page 118 MAIN (SIDE:A) LAMP BALLAST UNIT FN906 R6813 R4834 C9882 R6812 R6804 R6803 IC9882 D6844 R4861 D6833 D6832 D6831 R5621 C5027 L4812 R6836 R6837 C4808 R6831 R6832 FB3623 R5622 R4863 Q6841 R891 D4813 R6844 Q6861 R6846 R6853 C6861 R6838 L6861 C5026 R6864 SWNMI TICE...
  • Page 119 MAIN (SIDE:B) POWER “K6R” D5623 D5624 R5612 L5861 C5865 D5622 C5868 C5621 C5623 L5862 C5608 L5867 L5868 C442 IC5861 C5866 L5827 R812 C5830 C5861 RB416 C5622 R5611 RB412 C5863 RB417 RB413 C5862 Q331 R5864 R419 IC301 FN902 B SIDE (2nd Reflow) R5863 RB308 R3626...
  • Page 120 LINE FILTER (SIDE:A) ALARM-B (SIDE:A) ALARM-A “K8703” 1AA4B10C5310B_A A SIDE LF901 POWER “K6C” A30C5 K8751 1AA4B10C5690B A SIDE SW8751 SW8752 SW8753 SW8754 F601A F601B F601 T6.3AH 250V TYPE: 21506.3 L601 SW901 K690 MAIN “K8S” ALARM-B (SIDE:B) LINE FILTER (SIDE:B) 1AA4B10C5690B B SIDE A30C5 SW8754...

This manual is also suitable for:

Prm-20s

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