promethean PRM-30 Service Manual
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promethean PRM-30 Service Manual

Multimedia projector
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SERVICE MANUAL

Chassis No. KJ8-3000
PROduCt COde
1 122 509 18
(KJ8YC)
Multimedia Projector
Match the Chassis No. on the rating label on the projector
with the Chassis No. in the Service Manual.
I f the Original Version Service Manual Chassis No. does
not match the projector's, additional Service Literature is
required. You must refer to "Notices" to the Original Ser-
vice Manual prior to servicing.
FILE NO.
Model No. PRM-30
U .S.A, Canada,
Europe, U.K, Asia
Original Version
SM
REFERENCE NO.
5111240-00

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  • Page 1: Service Manual

    FILE NO. SERVICE MANUAL Multimedia Projector Model No. PRM-30 U .S.A, Canada, Europe, U.K, Asia Original Version Match the Chassis No. on the rating label on the projector with the Chassis No. in the Service Manual. I f the Original Version Service Manual Chassis No. does Chassis No. KJ8-3000 not match the projector’s, additional Service Literature is required. You must refer to “Notices” to the Original Ser- vice Manual prior to servicing. PROduCt COde 1 122 509 18 REFERENCE NO.

  • Page 2: Table Of Contents

    Contents SERVICE MANUAL ............1 Troubleshooting ............52 Contents ................ 2 Indicators and Projector Condition ......52 Safety Instructions ............3 No Power ..............53 Safety Precautions ............. 3 No Picture ..............54 Product Safety Notice ..........3 No Sound ..............55 Service Personnel Warning ........3 Control Port Functions ..........56 Specifications ..............4 Scaler I/O Port Functions (PW190) ......

  • 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. For continued product safety and protection of per- sonnel injury, servicing should be made with qualified personnel. The following precautions must be observed. 1: An isolation transformer should be connected in the power line between the projector and the AC DO NOT OPERATE THIS PROJECTOR WITHOUT line before any service is performed on the projec- THE PROTECTIVE SHIELD IN POSITION AND PR...

  • Page 4: Specifications

    Specifications Mechanical Information Projector Type Multi-media Projector Dimensions (W x H x D) 16.93 x 5.69" x 15.04" ( 430 mm x 144.4 mm x 381.9 mm ) (Including Ceiling plate) Net Weight 12.52 lbs (5.68kg) (Including Ceiling plate) Panel Resolution LCD Panel System 0.59" TFT Active Matrix type, 3 panels Panel Resolution 1,280 x 800 dots Number of Pixels 3,072,000 (1,280 x 800 x 3 panels) Signal Compatibility Color System PAL, SECAM, NTSC, NTSC4.43, PAL-M, and PAL-N SD/HDTV Signal 480i, 480p, 575i, 575p, 720p, 1035i, and 1080i Scanning Frequency H-sync. 15 kHz-100 kHz, V-sync. 50-100 Hz Optical Information Projection Image Size (Diagonal) Adjustable from 60” to 110” Throw Distance 2.09’ - 3.93' (0.64 m - 119.7 cm) Projection Lens F 1.8 lens with f 6.68 mm with manual focus Projection Lamp 230W Interface Video Input Jack RCA Type x 1 S-Video Input Jack Mini DIN 4 pin x 1 Audio Input Jacks RCA Type x 2 Computer Input 1 / Component Input Terminal...

  • 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 Lamp cover switch There is the thermal switch (SW902) inside of the projec- The lamp cover switch (SW901) cuts off the drive signal tor to detect the internal temperature rising abnormally. to the lamp circuit when the lamp cover is removed or When the internal temperature reaches near 85˚C, the not closed completely. After opening the lamp cover for thermal switch opens to stop the operation of the power replacing the lamp ass’y, place the lamp cover correctly supply circuit. otherwise the projector can not turn on. The thermal switch can be reset itself automatically when the internal temperature becomes normal. When the internal temperature reaches near 55˚C, the thermal switch returns automatically. Fuse A fuse is located inside of the projector. When the POW- Fuse Part No.: 323 021 7804 ER indicator is not lighting, the fuse may be opened. tYPe t6.3AH 250V FuSe Check the fuse as following steps.

  • Page 6: Warning Temperature And Power Failure Protection

    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. - I f the WARNING indicator is flashing, it may detect the abnormal temperature inside the projector. Check the follow- ing possible causes and wait until the POWER indicator stops flashing, and then try to turn on the projector. - I f the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fans operation and power supply lines referring to the chapter “Power supply & protection circuit” in the Chassis Block Diagram section. Possible causes - A ir filters are clogged with dust particles. Remove dust from the air filters by following instructions in the “Air filter care and cleaning” below. - V entilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots are not obstructed. - C heck if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C or 41 to 95˚F) the projector is shut down and the WARNING indicator lights red. Indicators When the projector detects an abnormal condition, it is auto- matically shut down to protect the inside of the projector and...

  • Page 7: Maintenance

    Maintenance Replacing the Filters Filter prevents dust from accumulating on the optical elements inside the projector. Should the filter become clogged with dust particles, it will reduce cooling fans’ effectiveness and may result in internal heat buildup and adversely affect the life of the projector. If a “Filter warning” icon appears on the screen, clean the filters immedi- ately. Replace the filter by following the steps below. Turn off the projector, and unplug the AC power cord from the AC outlet. First, clean up the dust on the projector and around the air vents. Press 7 leftwards on the filter cover to release the latch Filter cover and open the filter cover. Pull out the filter. When taking out the filter, put your Latch fingers on the filter tab and then pull.

  • Page 8: Lamp Replacement

    Maintenance Lamp Replacement When the projection lamp of the projector reaches its end top Panel of life, the Lamp replacement icon appears on the screen This indicator turns yellow and LAMP REPLACE indicator lights yellow. Replace the when the projection lamp lamp with a new one promptly. The timing when the LAMP reaches the end of its life. REPLACE indicator should light is depending on the lamp Lamp replacement icon mode.

  • Page 9: Resetting The Lamp Counter

    Maintenance Resetting the Lamp Counter Be sure to reset the Lamp counter after the lamp is replaced. When the Lamp counter is reset, the LAMP REPLACE indicator stops lighting and the Lamp replacement icon disappears. Lamp counter reset Press the MENU button to display the On-Screen Menu. Use the Point ed buttons to select Setting and then press the Point 8 or the SeLeCt button. Use the Point ed buttons to select Lamp counter and then press the SeLeCt button. Use the Point ed buttons to select Lamp counter reset and then press SeLeCt button. Lamp replacement counter Reset? appears. Select Yes to continue.

  • Page 10: Cleaning The Projector

    Maintenance Cleaning the Projector Cleaning the Projection Lens Unplug the AC power cord before cleaning. Gently wipe the projection lens with a cleaning cloth that contains a small amount of non-abrasive camera lens cleaner, or use a lens cleaning paper or commercially avail- able air blower to clean the lens. Avoid using an excessive amount of cleaner. Abrasive cleaners, solvents, or other harsh chemicals might scratch the surface of the lens. Cleaning the Projector Cabinet Unplug the AC power cord before cleaning.

  • Page 11: Security Function Notice

    Security Function Notice 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. In this case, you must reset those function first according to the resetting procedure described below and then check up on the projector. Function description Prevents the projector from being operated by an un- authorized person. PIN code lock Initial code: “1234” Prevents an unauthorized person for changing the start-up logo on the screen. Logo PIN code lock Initial code: “4321” Resetting procedure Turn the projector on (The PIN code entry window appears). Press and hold the 7 and 8 button on the remote control at the same time for more than 10 seconds. The PIN code and Logo PIN code will be reset to the factory initial code. (There is no response for the resetting.) Enter the initial PIN code for the PIN code lock. Please refer to the owner's manual for further information of the security functions.

  • Page 12: Standby Mode Notice

    Standby Mode Notice This projector provides 2 types of standby mode, Eco standby and Network standby. According to the standby mode "Eco" or "Network", several functions are restricted as shown in the table below. To change the standby mode, use the projector's menu "Setting". Network .... S upply the power to the network function even after turning off the projector. You can turn on /off the projector via network, modify network environment, and receive an e-mail about projector status while the projector is powered off. Eco .... S elect "Eco" when you do not use the projector via network. The projector's network function will stop when turning off the projector. When "Eco" is selected, several functions will be restricted. Restricted Function in the standby mode Function Network Serial command control Network Function Monitor Out Audio Out direct On -12-...

  • Page 13: Mechanical Disassembly

    Mechanical Disassembly Mechanical disassembly should be made following procedures in numerical S crews Expression order. (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 origi- nal otherwise it may cause loss of performance and product safety. z Filter Box and Terminal Cover removal 1. Slide the Filter Cover in the arrow direction and remove it. 2. Pull out the Filter Box. 3. R emove 2 screws A (T3x10) and then press and hold 2 hooks B on the Terminal Cover and pull it to remove. Bottom view Terminal Cover Filter Box Filter Cover...
  • Page 14 Mechanical Disassembly x AV Panel and Cabinet Top removal 1. Remove 5 screws A(M3x8) to remove the AV Panel. 2. R emove 3 screws B(T3x8), 1 screw C(T3x8), 2 screws D(M3x8) and 1 screw E(T3x8) and 1 screw F(T3x8) to remove the Cabinet Top assy. 3. Loosen 1 screw G and remove the Lamp Cover in the arrow direction. 4. Remove 2 screws H(T3x8) to remove the Shield Plate. Cabinet Top Lamp Cover Shield Plate AV Panel (Located on the center of the cabinet bottom.) Fig.2 -14-...
  • Page 15 Mechanical Disassembly c Main, Filter Boards and Lamp removal 1. R emove 2 screws A(M4x6), 2 screws B(T3x8), 2 screws C(M2.5x8) and remove the Main Board upward. 2. R emove 2 screws D(M4x6) and 2 screws E(T3x8) and remove the Filter Shield top. 3. R emove 1 screw F(M3x6) and 2 screws G(T3x8) and remove the Filter Board upward off. 4. Loosen 3 screws H and pull the Lamp upward off. Main Board Lamp Filter Shield Isolation Sheet Filter Board Fig.3 -15-...
  • Page 16 Mechanical Disassembly v Power, Ballast Boards and Fans (FN906, FN907) removal 1. Remove 3 screws A(T3x8) to remove the Fans (FN906, FN907) Assy. 2. R emove 1 screw B(T3x8) to remove the Lamp Socket. Remove 3 screws C(T3x8) to remove the Lamp Cover Bottom. Unhook the ballast cable from the cabinet bottom. 3. R emove 2 screws D(M4x6) and 3 screws E(T3x8). Disconnect the connectors "CN1" on the Ballast Board and "K6C" on the Power Board. Remove the Power Box Top upward off. 4. Remove 3 screws F(T3x8) to remove the Power Board. Power Box Top FN906 Power Board Lamp Socket Isolation Sheet FN907 Lamp Cover Bottom Fig.4 Isolation Sheet Ballast Board -16-...
  • Page 17 Mechanical Disassembly b Optical Unit and Duct Assembly removal 1. Remove 2 screws A(T3x8) to remove the Holder. 2. R emove 2 screws B(T3x12) and 5 screws C(T3x8) and remove the Optical Unit upward off. 3. Remove 9 screws E(T3x8) and remove the Duct Assembly upward off. Holder Optical Unit Duct Ass'y T3x8 SW901 Lamp Cover Temp Sensor 1 Switch Fig.5 Board T3x12 Panel Duct Bottom FN904 FN902 FN901 FN903 T3x30 T3x12 T3x30 T3x30 T3x12 T3x30 -17-...
  • Page 18 Mechanical Disassembly n Fan (FN905), SW902, Temp Sensor 3, RC Front Board removal 1. R emove 2 screws A(T3x8) to remove the Duct Ass'y. Remove Fan (FN905) and Temp Sensor 3 Board. 2. R emove 1 screw B(T3x8) to remove the Theamal Switch Holder and Thermal Switch (SW902). 3. R emove 2 screws C(T3x8) to remove the Lens Holder. Pull the RC Front Board upward off. T3x8 T3x12 Temp Sensor T3x12 Speaker Box 3 Board Lens Holder...

  • Page 19: Optical Parts Disassembly

    Optical Parts Disassembly Before taking this procedure, remove Terminal Cover, AV Panel, Cabinet Top and Main Board following to the “Me- chanical Disassembly”. Disassembly requires a 2.0mm hex wrench and a screwdriver. (T3x8)x2 z Projection lens removal Main Board Holder Note: T he Main Board Holder should be removed from the cabinet bottom before removing the projection lens. (M3x8)x4 Projection Lens Fig.1 x Condenser Out lens disassembly (M2.5x6)x1 PBS (M3x14)x2 marker Lens Holder Top Lens Ass'y Light Mask PBS Integrator(Out) Light Mask Int Integrator(In) * R ugged sur- face is facing * R ugged surface to the lamp.
  • Page 20 Optical Parts Disassembly c Condenser Lens Ass'y disassembly (M2.5x6)x2 (M2.5x6) Condenser Lens(Out) Fig.3 v Polarized Glasses removal (M2.5x6)x3 Polarized Glass(In/G) Polarized Glass(In/R) Polarized Glass(In/B) * P olarized glass is not re- moved from the mounting base. Fig.4 -20-...
  • Page 21 Optical Parts Disassembly b LCD Panel/Prism Ass'y removal Loosen 1 screw A and then pull the Panel/Prism Ass'y upward off. Note: T he Ceiling Plate should be removed from the cabinet bottom before removing the LCD Panel/Prism Ass'y. LCD Panel/Prism Ass'y Fig.5-1 Ceiling Plate (M5x16)x4 IMPORtANt NOtICe on LCd Panel/Prism Ass'y Replacement L CD 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. When replacing the LCD Panel/Prism ass'y, take the optical and electrical adjustments following to the chapter "Adjustment". -21-...
  • Page 22 Optical Parts Disassembly Panel Type Check There are 2 types of LCD Panel/Prism Ass'y for this model. Either L-Type or R-Type LCD Panel/Prism Ass'y is used on the projector. Check which type of LCD Panel/Prism Ass'y is used with the figure below. When replacing the LCD Panel/Prism Ass'y, you need to take "Panel Type Check and Setting" on the Electrical Ad- justment for the replaced LCD Panel/Prism Ass'y. The gamma-characteristics is different between L-Type and R-Type LCD Panel/Prism Ass'y. How to check the type of LCdPanel/Prism Ass'y Check the printed number on the flat cable of the G-LCD Panel. L-type LCd Panel/Prism Ass'y R-type LCd Panel/Prism Ass'y -85G10 -86G10 L3D05X-85G10 L3D05X-86G10 a01J6336L9 a01J6336L9 G-LCD PANEL Fig.5-2 -22-...
  • Page 23 Optical Parts Disassembly n Optical Unit Top removal Unhook 6 hooks to remove the Optical Unit Top. Optical Unit Top Fig.6 m Relay Lens(Out) Ass'y removal (M2.5x5) Relay Lens(Out) Fig.7 -23-...

  • Page 24: M Locations And Directions

    Optical Parts Disassembly m 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) Condenser Lens (R) Condenser Lens (B) Mirror (B) Marker Marker comes this side up Marker comes this side up Fig.8 -24-...

  • Page 25: Adjustments

    Adjustments Adjustments after Parts Replacement ● : Adjustment necessary ❍ : Check necessary disassembly / Replaced Parts Polarized Glass LCd/ Condenser Relay Power Main Prism Ass’y Lens (Out) Lens (Out) Board Board Contrast Adjustment ● ● ● Condenser lens adjustment ❍ ● Relay lens-out adjustment ❍ ● Fan voltage adjustment ● ●...

  • Page 26: Optical Adjustments

    Optical Adjustments Before taking optical adjustments below, remove the Terminal Cover, AV Panel and Cabinet Top following to the “Mechanical Disassembly”. Optical adjustment requires a 2.0mm hex wrench and a slot screwdriver. WARNING : uSe uV RAdIAtION eYe ANd SKIN PROteC- tION duRING SeRVICING CAutION: to prevent suffer of uV radiation, those adjust- ment must be completed within 25 minutes. duRING SeRVICING Contrast adjustment [Before Adjustment] - Input a 100% of black raster signal. (Fig.1) L oosen a screw on the polarized glass mounting base which you intend to adjust.

  • Page 27: Condenser Lens (Out) Adjustment

    Optical Adjustments Condenser lens (Out) adjustment T urn the projector on by a state of without FPC cables. Project all of lights on the screen. A djust the adjustment base of condenser lens out assy to make color uniformity in white. White 1) I f the shading appears on the left or right of the screen as shown Fig.2-1 , loosen 1 screw , and adjust the slot to make color uniformity in white by using a slot screwdriver. 2) I f the shading appears on the top or bottom of the screen as shown Fig.2-2 , loosen 2 screws , and adjust the slots to make color uniformity in white by using a slot screwdriver Tighten screws and to fix the condenser lens out unit. Note: The relay lens adjustment must be carried out after completing this ad- justment. Fig.2-1 Moving of Slot d White Fig.2-2 Moving of slot F...

  • Page 28: 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. A djust the adjustment base of relay lens assy to make color uniformity in white. Fig.3 I f the shading appears on the left or right of the screen as shown in loosen 1 screw by using a hex screwdriver, and adjust the slot to make color uniformity in white by using a slot screwdriver. Tighten the screw to fix the relay lens unit. White Fig.3 Moving of Slot H -28-...

  • Page 29: Electrical Adjustments

    Electrical Adjustments Service Adjustment Menu Operation to enter the service mode MeNu button To enter the “Service Mode”, press and hold the on the remote control for more than 20 seconds. The service menu appears on the Service Mode screen as follows. Input Computer 1 Group Data to adjust service data MeNu button +179 Select the adjustment group no. by pressing the (increase) SeLeCt button...

  • Page 30: Black Level Adjustment

    Electrical Adjustments z Fan Voltages adjustment v PC Auto calibration Equipment Digital voltmeter Input mode Computer 1 (RGB) mode Input signal 16-step gray scale computer signal 1. Enter the service mode. 2. A djust the voltage on each test point by changing the 1. Enter the service mode. data values of the Group - No. 2. S elect Group "260", No. "0" and set data value "0" to "1". Group No. Test Point Adjustment value T he projector begins auto-calibration and then "OK" will appear on the screen. 250 - 0 4.5 ±0.1Vdc TPFANA 250 - 1...
  • Page 31 Electrical Adjustments PC, Video, Component Manual adjustment [2] Manual adjustment (Component) When the PC, Video or Component Auto Calibration fails, take the following manual adjustment instead of Input mode Computer 1 (Component) mode auto calibration. Input signal 1 6-step gray scale component signal (480i) [1] Manual adjustment (PC) - Pedestal adjustment Input mode Computer 1 (RGB) mode 1. Enter the service mode.
  • Page 32 Electrical Adjustments m Common Voltage adjustment White Balance adjustment [PC] ⁄0 Input mode Computer 1 (RGB) Input mode Computer 1 (RGB) mode Input signal 5 0%-RGB pattern computer signals Input signal 1 6-step gray scale or 50% white pat- or 16-step gray scale computer sig- tern computer signal 1. Enter the service mode. 1. Enter the service mode. 2. C hange data value to obtain the proper white balance. 2. S elect Group "100", No. "92" and then change data Group No.

  • Page 33: Test Points And Locations

    Electrical Adjustments Test Points and Locations MAIN BOARd TPFANA TPFANC TP_VREF TP35G TP_VMID TP35R TP35B TPFANB -33-...

  • Page 34: 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. Group/ Item Name Function Initial Range Note Item Group 0 AD Converter (PW190) 0 ADC G-OFFSET PC / Component / SCART 128/120/128 0 - 255 * G-Pedestal Adjustment 1 ADC R-OFFSET PC / Component / SCART 128/140/128 0 - 255 * R-Pedestal Adjustment 2 ADC B-OFFSET PC / Component / SCART 128/140/128 0 - 255 * B-Pedestal Adjustment 3 ADC G-GAIN...
  • Page 35 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 162 PreCoast YCbCr 1080i 60Hz 0 - 63 163 PostCoast YCbCr 1080i 60Hz 0 - 63 164 PreCoast YCbCr 1080i 50Hz 0 - 63 165 PostCoast YCbCr 1080i 50Hz 0 - 63 166 PreCoast YCbCr 1035i 0 - 63 167 PostCoast YCbCr 1035i 0 - 63 180 PreCoast SCART 480i 0 - 63 181 PostCoast SCART 480i 0 - 63 182 PreCoast SCART 575i 0 - 63 183 PostCoast SCART 575i 0 - 63 Group 10 Sync Processor Minimum sync amplitude threshold for HLCK...
  • Page 36 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 1 Noise Region 0 <NSREGIONY0> / <NSREGIONUV0> 0 - 1023 2 Noise Region 1 <NSREGIONY1> / <NSREGIONUV1> 0 - 1023 3 Noise Region 2 <NSREGIONY2> / <NSREGIONUV2> 0 - 1023 4 Noise Gain Level <NSFILTERY**> / <NSFILTERUV**> 0 - 255 Group 50 2:2pull down setting 0 22Film Mode Sensitivity Film Detection Sensitivity <FILMSTVT22> 1 - 5 1 22Film Mode Threshold Low <FILMTHRD22A> 0 - 32767 2 22Film Mode Threshold High <FILMTHRD22B>...
  • Page 37 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 26 Ref_GateDur 0 - 1023 27 R-BasePos 0 - 15 28 G-BasePos 0 - 15 29 B-BasePos 0 - 15 30 RGB-Adjust 0 - 7 31 RGB-AdjLv 0 - 4095 Max <-> Min Cyclick operation 32 LineR0 0 - 1023 Max <-> Min Cyclick operation 33 LineR1 0 - 1023 Max <-> Min Cyclick operation 34 LineR2 0 - 1023 Max <-> Min Cyclick operation 35 LineR3 0 - 1023...
  • Page 38 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 95 FrontCTalkR-Start 0 - 255 96 FrontCTalkR-End 0 - 255 97 FrontCTalkG-Cent 0 - 2047 98 FrontCTalkG-Start 0 - 255 99 FrontCTalkG-End 0 - 255 100 FrontCTalkB-Cent 0 - 2047 101 FrontCTalkB-Start 0 - 255 102 FrontCTalkB-End 0 - 255 103 R-DCOffset-NGain 0 - 2047 104 R-DCOffset-N1 0 - 2047 105 R-DCOffset-N2 0 - 2047 106 R-DCOffset-N3...
  • Page 39 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 164 G-DCOffset-P9 0 - 2047 165 G-DCOffset-P10 0 - 2047 166 G-DCOffset-P11 0 - 2047 167 G-DCOffset-P12 0 - 2047 168 B-DCOffset-PGain 0 - 2047 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...
  • Page 40 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 233 CROSSTALK_COEF_G 1023 0 - 1023 234 CROSSTALK_COEF_B 1023 0 - 1023 235 LCOM_ENABLE 0 - 1 236 ENBY_L1 0 - 255 237 ENBY_H1 0 - 1023 238 ENBY_L2 0 - 255 239 ENBY_H2 0 - 1023 Group 101 Panel Service (6170/62334) 0 R-LCOM 0 - 255 * Video center adjustment R 1 G-LCOM...
  • Page 41 Electrical Adjustments Group/ Item Name Function Initial Range Note Item Reverse Processing of FLDINVSetting Value 0: Disable - Used FLDINV Setting Value 2 Field Sense Invert Enable 0 - 1 1: Enable - Used Reversed FLDINV Setting Value 0:Disable (Service Adjustment Dsiable, 4 Sub Image Enable 0 - 1 Used all the Center Values 1:Enable (Service Adjustment Enable) 0:Zoom Accelerator OFF, 6 Zoom Accelerator Enable 0 - 1 1:Zoom Accelerator ON No last memory 0:Enable (Normal), 1:Disable (Dzoo is not 7 DZoom Reset by Keystone 0 - 1 cancelled even if Keystone is cancelled) No last memory 8 Stability Count Count Value of V-missing 0 - 255 Only used this value for No Signal 9 Sensivity for Signal Lost (HSYNC) 0 - 65535 Judgement(Hz)
  • Page 42 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 33 wCoeMax 1000 0 - 100 Group 250 FAN Voltage Adjutment 0 Fan1 Min. Adjust (DAC) 0 - 255 1 Fan1 Max. Adjustt(DAC) 0 - 255 2 Fan2 Min. Adjust (DAC) 0 - 255 3 Fan2 Max. Adjust (DAC) 0 - 255 4 Fan3 Min. Adjust (DAC) 0 - 255 5 Fan4 Max. Adjust (DAC) 0 - 255 6 Not used 7 Not used Group 230 VBI Slice Level 0 Generic Initial Slice Level 0 - 255...
  • Page 43 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 22 Eco Fan1 Min. 0 - 255 23 Eco Fan1 Max. 0 - 255 24 Eco Fan2 Min. 0 - 255 25 Eco Fan2 Max. 0 - 255 26 Eco Fan3 Min. 0 - 255 27 Eco Fan3 Max. 0 - 255 28 Not used 9999 29 Not used 9999 Group 255 FAN Start/Cooling Setting 0 Fan1 Initial Volt Fan Voltage at Startup (x0.1V) 0 - 255 1 Fan2 Initial Volt...
  • Page 44 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 6 Y - GAIN AREA H START 0 - 1000 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 0 - 1000 12 Image AREA H WIDTH YCBCR Level Acquiring Area 0 - 4095 13 Image AREA V HIGHT YCBCR Level Acquiring Area Height 0 - 4095 14 Y - OFFSET TARTGET 0 - 255 15 CB OFFSET TARGET 0 - 255 16 CR OFFSET TARGET 0 - 255...
  • Page 45 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 521 YCbCr (575i) 0 Total Dots 0 ~ 4095 1 Disp Dots 0 ~ 4095 2 H Back Porch 0 ~ 4095 3 V Back Porch 0 ~ 4095 4 Disp Line 0 ~ 4095 Group 522 YCbCr (480P) 0 Total Dots 0 ~ 4095 * Read only...
  • Page 46 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 1 Disp Dots 0 ~ 4095 2 H Back Porch 0 ~ 4095 3 V Back Porch 0 ~ 4095 4 Disp Line 0 ~ 4095 5 Clamp 0 ~ 255 6 Clamp Width 0 ~ 255 Group 543 RGB Video (575P) 0 Total Dots 0 ~ 4095 1 Disp Dots 0 ~ 4095 2 H Back Porch 0 ~ 4095 3 V Back Porch 0 ~ 4095...
  • Page 47 Electrical Adjustments Group/ Item Name Function Initial Range Note Item 8 VSBEG 0 - 15 Group 566 HDCP (1035i-60) 7 Over Scan 0 - 255 8 VSBEG 0 - 15 Group 981 Color Shading Correction Ofset Value L/R 0 R-Max 0 / 0 0 - 255 1 R-Mid1 0 / 0 0 - 255 2 R-Mid2 0 / 0 0 - 255 3 R-Min...

  • Page 48: Chassis Block Diagrams

    Chassis Block Diagrams Chassis over view TXD_PW/RXD_PW 124,368 R/C_PW IC001 AUDIO OUTPIT <LV49152> IC5001 AUDIO CONTROL <NJW1156> AUDIO -48-...

  • Page 49: System Control

    Chassis Block Diagrams System control IC301 SYSTEM CONTROL -49-...

  • Page 50: Power Supply & Protection Circuit

    Chassis Block Diagrams Power supply & protection circuit IC621 P.F.CONTROL <FA5550> LAMP_SCI FAN_ERR IC9885 PIC MICOM CHO_TXD IC301 SYSTEM CONTROL -50-...

  • Page 51: Fan Control Circuit

    Chassis Block Diagrams Fan control circuit TPFANC FN905 IC7841 FANC D3626 TPFANA Q7842 D3644 FN901 FANA IC7811 1,14 S16V <TP554286> D3629 FN902 D3613 Q7813 Q7864 Q7814 D3621 FN903 Power-On:H Q7801 D3622 FAN_SW1 FN904 TPFANB D3623 FN906 FAN_CON_C FANB D3628 FAN_CON_A FN907 D3614 FAN_CON_B...

  • Page 52: Troubleshooting

    Troubleshooting Indicators and Projector Condition Check the indicators for projector condition. Indicators Projector Condition LAMP RE- POWER WARNING PLACE red/green yellow The projector is off. (The AC power cord is unplugged.) The projector is in stand-by mode. Press the ON/STAND-BY button to turn on the projector. The projector is operating normally. The projector is preparing for stand-by or the projection lamp is be- ing cooled down. The projector cannot be turned on until cooling is completed and the POWER indicator stops blinking. The projector is in the Power management mode. The temperature inside the projector is abnormally high. The projec- tor cannot be turned on. When the projector is cooled down enough and the temperature returns to normal, the POWER indicator stops blinking and the projector can be turned on. (The WARNING indicator keeps blinking.) The projector has been cooled down enough and the temperature returns to normal. When turning on the projector, the WARNING in- dicator stops blinking. The projector detects an abnormal condition and cannot be turned on. Unplug the AC power cord and plug it again to turn on the projec- tor. If the projector is turned off again, unplug the AC power cord and...

  • Page 53: 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. Check the power primary circuit and parts as follow; AC cord, F601 (Fuse), Power board, SW902 (Thermal sw.) ....short in normal S W902 opens when the surrounding temperature of the switch exceeds 85°C. - W hen the WARNING (red) and POWeR (red) indicators are blinking, the symptom indicates that the projector detected an abnormal temperature risen inside the projector. Check the air filters and remove the object near the intake and exhaust fan openings, and wait until the POWER indicator stops blinking, and then try to turn on the projector. T he internal temperature is monitored by sensor ICs, IC8821 on the Main board and IC8811 on the Temp Sen- sor A board, IC8831 on the Temp Sensor C board. - W hen the WARNING indicator lights red, the symptom indicates that the projector detected an abnormality in the cooling fan operation or in the power supply secondary circuits. Check fan operation and power supply lines, and the driving signal status.

  • Page 54: No Picture

    Troubleshooting No Picture Check following steps. No picture with all of in- put sources Check signal processing stage and LCD driving stage; C heck RGB S&H signals at test points TP35B, TP35G, TP35R. C heck power supply circuit 15.5VPNL and peripheral circuit. C heck ICs IC501, IC531, IC561, IC401, IC301 and peripheral cir- cuits. No picture with PC1 [An- C heck IC4001 <Amplifier/Switch> and peripheral circuit. alog] input source only No picture with PC2 [Analog] input source Check IC301<Scaler> and peripheral circuit.

  • Page 55: No Sound

    Troubleshooting No Sound Check following steps. Check if the audio sig- Check IC5001 and peripheral circuit. nal is observed at pins 7 Check 12V power supply. and 15 of IC5001. The Mute signal is output from pin 267 of IC 301<Scaler>. The OUT_ DET signal is sent from Audio Out terminal. Mute-On: H at pin 267 of IC301. Check Audio Out Terminal and peripheral circuit -55-...

  • Page 56: Control Port Functions

    Control Port Functions Scaler I/O Port Functions (PW190) PIN NO. PORT NO. FUNCTION SIGNAL NAME DESCRIPTION PW_UPDATE RXD_MCI Network RXD DDC_SW TXD_PW Serial Control TXD READY_LED LAMP_PWM Lamp Control SDATA_PW 3-Wired Serial Control Data DCLK Clock Output V Sync Output 2-Wire Serial Data 2 SDA2 IIC Bus Switch IC DAC, SoundIC[5V_SW] 2-Wire Serial Clock 1 SCL1 2-Wire Serial Data 0 SDA0 IIC Bus Temp Sensor [S3.3V] R/C_PW Remote Control Input ADC1 KEY1 Input/Select/Keystone...

  • Page 57: Ic Block Diagrams

    IC Block Diagrams ● FA5550NG <P.F. Control, IC621> ● L3E06170 <D/A, S/H-LCD Driver, IC501, IC531, IC561> -57-...
  • Page 58 IC Block Diagrams ● L3E7111 <Digital Gamma and Driver, IC401> ● LC87F2G08A5AN6 <PIC Micom, IC9885> -58-...
  • Page 59 IC Block Diagrams ● MR4010 <Power SWITCHING, IC631> ● NJW1156<Audio Selector,IC5001> -59-...
  • Page 60 IC Block Diagrams ● PIC18F67J60<Network, IC8801> ● PW190 <Scaler, IC301> -60-...
  • Page 61 IC Block Diagrams ● TPS54286 <DC-DC Converter, IC7811> -61-...

  • Page 62: Parts Location Diagrams

    KJ8-3000 Parts Location Diagrams Cabinet top assembly C01-1 Cabinet bottom-1 assembly A901 BALLAST BOARD A601 FN906 POWER BOARD FN907 LP900 A602 FILTER BOARD A100 MAIN BOARD -62-...
  • Page 63 KJ8-3000 Parts Location Diagrams Filter duct assembly SW901 A604 SENSOR A BOARD FN904 FN901 FN903 FN902 Cabinet bottom-2 assembly A605 TEMP.SENSOR C A603 BOARD R/C BOARD SW902 C04-1 FN905 -63-...
  • Page 64 KJ8-3000 Parts Location Diagrams Projection Lens PBS and Integrator lens assembly -64-...
  • Page 65 KJ8-3000 Parts Location Diagrams Condenser lens (Out) assembly Polarized Glass (In) assembly L02-G L02-R Green L02-B Blue -65-...
  • Page 66 KJ8-3000 Parts Location Diagrams LCD Panel/Prism Assembly Relay lens (Out) assembly -66-...
  • Page 67 KJ8-3000 Parts Location Diagrams ● 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. -67-...
  • Page 68 KJ8-3000 Parts Location Diagrams ● Accessories (see accessories parts list) REMOTE CONTROL MANUALs CD-ROMs HDMI ASPECT VGA CABLE AC CORD -68-...

  • Page 69: Mechanical Parts List

    KJ8-3000 Mechanical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions. Key No. Part No. description Key No. Part No. description 610 349 0274 MOUNTING DUCT LMP BTM-KJ8YC 610 349 0335 SPACER_SHEET_POWER_TOP_KJ8YC PACKING MATERIALS 610 349 0359 SPACER_SHEET_POWER_BTM_KJ8YC 610 349 0366 SPACER_SHEET_FILTER-KJ8YC...

  • Page 70: Electrical Parts List

    KJ8-3000 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. ● Read description in the parts list Read description in the Capacitor and Resistor as follows: CAPACItOR CERAMIC 100P K 50V Rated Voltage Tolerance Symbols: Less than 10pF A : Not specified B : ±0.1pF C : ±0.25pF D : ±0.5pF E : +0 -1pF F : ±1PF G : ±2pF H : +0.1 -0pF L : +0 -0.1pF R : ±0.25 -0pF S : +0-0.25pF More than 10pF A : Not specified B : ±0.1% C : ±0.25% D : ±0.5% F : ±1% G : ±2% H : ±3% J : ±5% K : ±10%...
  • Page 71 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description Q5062 405 221 7914 TR HN1C01FE-Y Q5306 406 021 7804 TR 2SC4617 ASSEMBLED BOARDS Q5700 305 217 7815 TR HN1B04FE-Y TE85L Q5701 305 174 1819 TR CPH3424-TL-E ! A100 655 003 6933 ASSY,PWB,MAIN KJ8YC...
  • Page 72 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description 303 454 0910 CERAMIC 100P J C1014 303 454 0415 CERAMIC 0.068U K 303 442 0519 CERAMIC 0.068U K 303 294 6110 CERAMIC 100P J C2041 303 453 6319 CERAMIC 100P J...
  • Page 73 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description 303 453 8610 CERAMIC 0.1U K 303 409 3426 CERAMIC 0.1U K C319 303 453 8719 CERAMIC 470P K 303 409 3426 CERAMIC 0.1U K 303 453 9211 CERAMIC 470P K C344...
  • Page 74 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description 303 453 8610 CERAMIC 0.1U K 303 453 9617 CERAMIC 33P J 303 276 3113 CERAMIC 33P J 303 409 3426 CERAMIC 0.1U K C3551 303 453 7019 CERAMIC 33P J C3523...
  • Page 75 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description C377 303 453 8917 CERAMIC 0.1U K 303 453 9617 CERAMIC 33P J 303 276 3113 CERAMIC 33P J 303 453 8610 CERAMIC 0.1U K C3579 303 453 7019 CERAMIC 33P J...
  • Page 76 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description C5009 303 396 9613 CERAMIC 1U K 303 282 5118 CERAMIC 470P K C414 303 453 8917 CERAMIC 0.1U K 303 397 7618 CERAMIC 1U K 303 453 8610 CERAMIC 0.1U K...
  • Page 77 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description C551 303 396 9613 CERAMIC 1U K 403 478 5912 CERAMIC 1U K C523 303 342 3313 CERAMIC 0.1U K 303 397 7618 CERAMIC 1U K 403 478 5912 CERAMIC 1U K...
  • Page 78 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description 303 397 7618 CERAMIC 1U K 403 478 5912 CERAMIC 1U K C576 303 396 9613 CERAMIC 1U K 403 478 5912 CERAMIC 1U K 303 397 7618 CERAMIC 1U K C596...
  • Page 79 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description C8093 303 379 0217 POS-SOLID 68U M 6.3V 303 453 8610 CERAMIC 0.1U K 303 409 3426 CERAMIC 0.1U K C8096 303 358 3215 CERAMIC 10U K 6.3V C8011 303 453 8917...
  • Page 80 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description C8820 303 453 8917 CERAMIC 0.1U K R1064 301 225 2019 MT-GLAZE 680 JA 1/16W 303 453 8610 CERAMIC 0.1U K R1065 301 225 3818 MT-GLAZE 1.5K JA 1/16W 303 409 3426 CERAMIC...
  • Page 81 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description R391 301 224 9019 MT-GLAZE 10K JA 1/16W R317 301 225 1814 MT-GLAZE 47 JA 1/16W R318 301 226 1516 MT-GLAZE 0.000 ZA 1/16W R395 301 224 9019 MT-GLAZE 10K JA 1/16W R319...
  • Page 82 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description R7801 301 225 1210 MT-GLAZE 4.7K JA 1/16W R5607 301 224 9316 MT-GLAZE 1K JA 1/16W R561 301 224 8814 MT-GLAZE 100 JA 1/16W R7803 301 276 3010 MT-GLAZE 75K JA 1/16W R5611...
  • Page 83 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description R9899 301 224 9712 MT-GLAZE 22 JA 1/16W R8052 301 240 9116 MT-GLAZE 5.6 J A 1/16W R8053 301 240 9116 MT-GLAZE 5.6 J A 1/16W R9902 301 224 9019 MT-GLAZE...
  • Page 84 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description L4810 652 002 8685 INDUCTOR 1000OHM, P RB8004 645 049 0675 R-NETWORK 33X4 1/32W 945 049 0690 R-NETWORK 33X4 1/16W L4811 652 002 8685 INDUCTOR 1000OHM, P RB8006 645 049 0675 R-NETWORK 33X4 1/32W...
  • Page 85 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description 408 063 7507 ZENER DIODE MM3Z6V2B 408 063 7507 ZENER DIODE MM3Z6V2B D2894 307 223 1115 ZENER DIODE 02DZ6.2Y(TPH3 D6845 307 223 1115 ZENER DIODE 02DZ6.2Y(TPH3 307 209 1214 ZD UDZS-TE-176.2B 307 209 1214...
  • Page 86 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description R611 401 353 0311 MT-GLAZE 430K JA 1/3W R612 401 353 0212 MT-GLAZE 360K JA 1/3W A601 655 003 6889 ASSY,PWB,POWER KJ8AC R613 301 256 6314 MT-GLAZE 47K JA 1/10W R614 302 106 5508 RESISTER...
  • Page 87 KJ8-3000 Electrical Parts List Key No. Part No. description Key No. Part No. description MISCELLANEOUS 307 202 9801 DIODE FMB-26L 307 253 7504 DIODE RB085T-60 A2901 652 002 3352 UNIT,REMOCON,RECEIVER 307 250 2403 DIODE RB225T-60 D663 307 247 8827 DIODE RF101L2S 307 190 4119 DIODE SFPL-52V A604...
  • Page 88 (KJ8YC) Mar./ 2010 DC 200 Printed in Japan...

  • Page 89: Diagrams & Drawings

    PRM-30 KJ8-3000 these schematic diagrams and printed wiring board drawings are part of the service manual original for chassis No. KJ8-3000 model PRM-30. File with the service manual No. SM5111240-00 Note: All the information of part numbers and values indicated on these diagrams are at the beginning of production.

  • Page 90: Parts Description And Reading In Schematic Diagram

    KJ8-3000 Parts description and reading in schematic diagram 1. T he 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. S ome of transistors and diodes are indicated in mark Characteristic for the substitution of parts name. Please check the Example 6 W K 8.2 Z (Carbon fuse) parts name by the following code table. B (Non-burnable) 3. V oltages and waveforms were taken with a video color bar signal (1Vp-p at 75 ohms terminated) and Example 1/2 C K 1M...
  • Page 91 KJ8-3000 Pin description of diode, transistor and IC ● diode ● transistor/Fet ● IC...

  • Page 92: Note On Soldering

    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 ratio solder in order to help preserve the environment. by weight given in the table below. Do not use solders Because of this, be sure to use lead-free solder which do not meet these conditions. when carrying out repair work, and never use solder Metal content Tin (Sn) Silver (Ag) Copper (Cu)
  • Page 93 Schematic Diagrams PROJECTION LENS C611 1000KK L611 1000NH F35B1630N POWER POWER FACTOR CORRECTION :F35B0410N SW902 (TERMOSTAT_SW) DB611H1 LAMP DB611 85°C D10XB60 K6C_1B K6C_1A BALLAST K6C_2B K6C_2A DB611H4 C614 L612 D611 L26B5370N C612 450GK1BS FML-G16S L613 J10EM024N 1000KK :L26B1570N D611H2 380V LP900 1000NH D611H1...
  • Page 94 C1004 16KK0.1MN TO IC301 P3 K10A BJ11B0380N R1035 :16KK0.1AYH L1002 1/16GJ47A Q1001 :16KK0.1AXH K10A_6 F34DH407G TXXLBB013P K10A_1 SOG1 SC1001 R1001 R1040 C1008 1/16GJ1.5KA 16KK0.1MN K10A_2 1/3GJ75 R1101 :16KK0.1AYH L1012 1/16GJ100A R1036 :16KK0.1AXH K10A_3 1/16GJ47A Q1002 F34DH407G TXXLBB013P RGB/ K10A_13 SC1011 YCbCr/ 5VPC1 K10A_9...
  • Page 95 OIPTION RESISTORS S3.3VD_PW S3.3VD_PW See the parts list R395 1/16GJ10KA A[17] MODEL_OPTION R396 A[16] S3.3VD_PW A[15] R801 BYTE 1/16GJ10KA 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] See the parts list R389 A[9] D[13]...
  • Page 96 EXHAUST EXHAUST SIDE SIDE FN901 FN902 FN903 FN904 LAMP IN POWER LAMP FN905 FN906 FN907 R-PNL G-PNL G-PNL B-PNL J10ES036G J10ES036G J10ES036G J10ES036G J10EG036G J10EG035G J10EG035G K6J_3 K6G_3 K6F_3 K6E_3 K6F_1 K6K_3 K6P_3 K6Q_3 K6T_3 K6K_1 L3627 L3623 L3622 L3BE221PG L3BE221PG L3BE221PG L3630...
  • Page 97 L8801 F34DG107G 3.3V_LAN R G B COMMON C8818 K8802 16KK0.1MN J10XF050G 3.3V_LAN C8817 ;16KK0.1AYH C8832 ;16KK0.1AXH TO IC501 (S&H) 16KK0.1MN KK0.01MN ;16KK0.1AYH ;16KK0.1AXH R8809 1/16GJ100A NMCLR R8831 R8810 1/16GJ10KA D8801 1/16GZ0A R8839 LED_B R8811 IC501 1/16GJ220A 1/16GZ0A IPRST R8832 R9895 1/16GJ330A K9602 L18B0720M...
  • Page 98 <FROM:IC301> <FROM:IC1423> (PW190) (UPC324) IC592 PQ20WZ11 S16V D591 D592 (BLUE) 1SS400G 1SS400G :1SS387G :1SS387G R593 IC592 P_FAIL PQ20WZ11P 1/10GZ0.0 C3509 15V_PNL 25KK11D 15.5V_PNL :25KK1GQ R596 15.5V_PNL C597 C596 C598 R594 25KK0.1MT RGG1002DTHANL L26B3470G 25KK10BB 25KK0.1MT 1/10GZ0.0 L501 L3501 L26B3470G C3508 C599 R599 3.3V...
  • Page 99 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 POWeR (SIde:A) FILteR (SIde:A) 1. D o not touch the part on hot side (primary circuit) or both parts on hot and cold FILTER sides (secondary circuit) at the same time. POWER SW902 SW902 "K6B" 2. Do not shorten the circuit between hot and cold sides. "K6C" 3. T he grounding lead must be connected to the ground of the same circuit when measuring of voltages and waveforms. C615H1 IC631 J608 PTH611H2 T651H5 C692 C691 T651H1 C612 C611 L631...
  • Page 100 MAIN (SIde:A) MAIN (SIde:B) FN902 FN901 FN903 FN904 R9886 C8832 R9885 R6843 R8802 R8834 R8806 R6842 R9908 K8802 R8801 R9907 R8803 R8863 R8820 R8839 R8826 R9899 R8825 R8819 R9898 R8818 R9904 R8824 R9897 R8823 R9903 R9902 R9896 R9901 R9906 D3621 C8811 SC11 C9888...

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