FILE NO. SERVICE MANUAL Multimedia Projector Model No. PLC-WL2500A PLC-WL2503A U .S.A, Canada, Europe, U.K, Asia, Brazil Original Version PLC-WL2500A PLC-WL2503A * M odel PLC-WL2503A has an interactive module on the cabinet front. The illustrations in this manual are used for the model PLC-WL2500A. Match the Chassis No. on the rating label on the projector with the Chassis No. in the Service Manual. Chassis No. KJ8-WL2500A00 I f the Original Version Service Manual Chassis No. does KJ8-WL2503A00 not match the projector’s, additional Service Literature is required. You must refer to “Notices” to the Original Ser-...
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...
Specifications Mechanical Information Projector Type Multi-media Projector Dimensions (W x H x D) 13.78 x 5.10" x 15.03" ( 350.0mm x 129.4mm x 381.9mm ) (Not including protrusions) Net Weight PLC-WL2500A:10.1 lbs (4.6kg) , PLC-WL2503A:10.3lbs (4.7Kg) Feet Adjustment 0˚ to 10˚ 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 Input 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’ - 3.94' (0.64 m - 1.20 m) 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...
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 cut off the power to the power replacing the lamp ass’y, place the lamp cover correctly 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.
Circuit Protections Warning temperature and power failure protection The projector will be automatically turned off when the internal temperature of the projector is abnormally high, or the cooling fans stop spinning, or the power supplies in the projector are failed. Led indicator WARNING emit a red light the projector is shut down and the WArNING indicator is blinking red. When the temperature inside the projector reaches a certain level, the projector will be automatically shut down to protect the inside of the projector and the WARNING and POWER indicators start blinking. When the projector has cooled down enough (to its normal operating temperature), the POWER indicator stops blinking and lights red, The projector can be turned on again by pressing the ON/STAND-BY button. Note: The WARNING indicator continues to blink even after the temperature inside the projector returns to normal. When the projector is turned on again, the WARNING indicator stops blinking. Check items - Remove dust around the air filter. - Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots are not obstructed. - Check 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. When the projector detects an abnormal condition, it is automatically shut down to protect the inside of the projector and the WARNING indicator lights red. In this case, unplug the AC power cord and reconnect it, and then turn the projector on once again to verify operation.
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, replace the filter cartridge immediately 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 and hold any part of the red circle, and press 7 leftwards on the filter cover to release the latch and open the filter cover.
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.
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.
Maintenance Attaching the lens cover When moving the projector or while it is not in use, replace the lens cover. Thread the string through the hole on the lens cover and then tie a knot in the string to secure it in place. To pass the other end of the string into the hole on the top of the projector and pull at it. 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.
Security Function Notice This projector provides security functions such as "Key lock", "PIN code lock" and "Logo PIN code lock". When the projector has set these security function on, you are required to enter correct PIN code to use the projector. If you do not know the correct PIN code to the projector, the projector can no longer be operated or started. 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 Locks operation of the side control or the remote control. If the Key lock is enabled with side control lock, the pro- Key lock jector can no longer be started. Initial setting: Key lock function is disabled Prevents the projector from being operated by an unau- thorized 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 Disconnect the AC power cord from the AC outlet.
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. Function in the standby mode Function Network Serial command control Network function Monitor out Audio out direct on...
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 cartridge removal 1. P ress and hold the part indicated with the arrow, and press 7 leftwards on the filter cover to release the latch and open the filter cover. 2. Pull out the filter cartridge. Filter cartridge Filter cover Fig.1 Note: Do not disassemble the filter cartridge to clean up or replace the parts inside of the filter cartridge. When replacing the filter cartridge, replace whole the filter cartridge with new one to maintain the projector's performance. -13-...
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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-...
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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 top Isolation sheet Filter board Fig.3 -15-...
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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 re- move 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-...
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Mechanical Disassembly b Optical unit and duct assembly removal 1. Remove 2 screws A(T3x8) to remove the main board holder. 2. R emove 2 screws B(T3x12) and 5 screws C(T3x8) and remove the optical unit upward off. 3. Remove 9 screws D(T3x8) and remove the duct assembly upward off. Main board holder Optical unit Duct assy T3x8 SW901 Lamp cover Temp sensor A switch Fig.5 board T3x12 Panel duct bottom FN904 FN902 FN901 FN903 T3x30 T3x12 T3x30 T3x30 T3x12 T3x30 -17-...
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Mechanical Disassembly n Fan (FN905), SW902, temp sensor C, R/C front board removal 1. R emove 2 screws A(T3x8) to remove the duct assy. Remove fan (FN905) and temp sensor C board. 2. R emove 1 screw B(T3x8) to remove the thermal switch holder and thermal switch (SW902). 3. R emove 2 screws C(T3x8) to remove the lens holder. Pull the R/C front board upward off. T3x8 T3x12 Temp sensor T3x12 Speaker box...
Optical Parts Disassembly Before taking this procedure, remove AV panel, cabinet top and main board following to the “Mechanical disassem- bly”. Disassembly requires a 2.0mm hex wrench and a screwdriver. (T3x8)x2 z Projection lens removal Main board holder Note: T he main board holder should be removed from the cabinet bottom before removing the projection lens. (M3x8)x4 Projection lens Fig.1 x Integrator lens (OUT) & PBS removal (M2.5x6)x1 PBS (M3x14)x2 marker Lens holder top Lens assy Light mask PBS Integrator(OUT) Light mask Int...
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Optical Parts Disassembly c Condenser lens (OUT) removal (M2.5x6)x2 (M2.5x6) Condenser Lens(OUT) Fig.3 v Polarized glasses removal (M2.5x6)x3 Polarized glass(IN/G) Polarized glass(IN/R) Polarized glass(IN/B) * P olarized glass is not re- moved from the mounting base. Fig.4 -20-...
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Optical Parts Disassembly b LCD panel/prism assy removal Loosen 1 screw A and then pull the panel/prism assy upward off. LCD panel/prism assy Fig.5-1 *Note on handling the LCd panel/prism assy LCD panel, polarized glasses are very sensitive parts. Never touch or wipe the surface. When removing the dust on the surface, use a commercial (inert gas) air spray to remove them. -21-...
Optical Parts Disassembly Panel type check There are 2 types of LCD panel/prism assy for this model. Either L-type or R-type LCD panel/prism assy is used on the projector. Check which type of LCD panel/prism assy is used with the figure below. When replacing the LCD panel/prism assy, you need to take "Panel type check and setting" on the electrical adjust- ment for the replaced LCD panel/prism assy. The gamma-characteristics is different between L-type and R-type LCD panel/prism assy. How to check the type of LCd panel/prism assy Check the printed number on the flat cable of the G-LCD panel. L-type LCd panel/prism assy r-type LCd panel/prism assy -85G10 -86G10 L3D05X-85G10 L3D05X-86G10 a01J6336L9 a01J6336L9 G-LCD panel Fig.5-2 IMPOrtANt NOtICe on LCd panel/prism assy replacement L CD panels used for this model can not be replaced separately. Do not disassemble the LCD panel/prism assy.
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) assy removal (M2.5x5) Relay lens(OUT) Fig.7 -23-...
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-...
Optical Adjustments Before taking optical adjustments below, remove the AV panel and cabinet top following to the “Mechanical disas- sembly”. 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. 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.
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) assy. 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...
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 (OUT) assy to make color unifor- mity 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 (OUT) assy. White Fig.3 Moving of slot H -28-...
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...
Electrical Adjustments z Fan voltage adjustment c PC auto calibration Equipment Digital voltmeter Input mode Computer 1 (RGB) Input signal XGA computer signal 1. Enter the service mode. Input pattern 16-step gray scale 2. A djust the voltage on each test point by changing the data values of the Group - No. 1. Enter the service mode. 2. S elect Group "260", No. "0" and set data value "0" to Group No. Test Point Adjustment value "1". T he projector begins auto-calibration and then "OK" 250 - 0 4.5 ±0.1Vdc TPFANA will appear on the screen.
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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 auto Input mode Computer 1 (Component) calibration. Input signal 4 80i component signal Input pattern 1 6-step gray scale [1] Manual adjustment (PC) - Pedestal adjustment Input mode Computer 1 (RGB) 1. Enter the service mode. Input signal XGA computer signal 2. A djust the black level to be mimimum by changing the...
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Electrical Adjustments n Common voltage adjustment White balance adjustment [PC] Input mode Computer 1 (RGB) Input mode Computer 1 (RGB) Input signal X GA computer signal Input signal X GA computer signal Input pattern 5 0%-RGB whole signals or 16-step Input pattern 1 6-step gray scale or 50% white pat- gray scale tern 1. Enter the service mode. 1. Enter the service mode. 2. S elect Group "100", No. "92" and then change data 2. C hange data value to obtain the proper white balance.
Electrical Adjustments Service adjustment data 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...
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Electrical Adjustments Group/ Item Name Function Initial Range Note Item 0: FrameLockOFF at PC signal 0 FrameLock Option 0 - 1 1: FrameLockON at PC signal and 47Hz (Vfreq) ~ Panel frequency of input signal Reverse Processing of FLDINVSetting Value 0: Disable - Used FLDINV Setting Value 2 Field Sense Invert Enable 0 - 1...
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Electrical Adjustments Group/ Item Name Function Initial Range Note Item 17 Normal Fan3 Max. 0 - 255 18 Not used 9999 19 Not used 9999 20 Eco Fan Control Min. Temp Fan Voltage at Eco (x0.1V) 20 - 100 21 Eco Fan Control Max. Temp 20 - 100 22 Eco Fan1 Min.
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Electrical Adjustments Group/ Item Name Function Initial Range Note Item 5 CR - OFFSET AREA V START CR - Offset Acquiring Area V-Start Position 0 - 1000 If not used: use Y's value 6 Y - GAIN AREA H START 0 - 1000 7 Y - GAIN AREA V START 0 - 1000...
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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 Group 521 YCbCr (575i) 0 Total Dots 0 ~ 4095 1 Disp Dots...
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Electrical Adjustments Group/ Item Name Function Initial Range Note Item 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 5 Clamp 0 ~ 255 6 Clamp Width...
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Electrical Adjustments Group/ Item Name Function Initial Range Note Item Group 565 HDCP (1080i-50) 7 Over Scan 0 - 255 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...
Troubleshooting Indicators and rojector 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 being cooled down. The projector cannot be turned on until cooling is com- pleted 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 indi- cator 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, the projector has an internal...
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 switch) ..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 sensor A board, IC8831 on the temp sensor C board. - When 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.
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 15.5V_PNL 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.
Troubleshooting No sound Check following steps. Check if the audio signal Check IC5001 and peripheral circuit. is observed at pins 7 and Check the 12V power supply. 15 of IC5001. Check IC001 and peripheral circuit. Check if the audio signal Check the Mute signal at pin 1 of IC001. The Mute signal is output from is observed at pins 20 pin 267 of IC 301<Scaler>.
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]...
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KJ8-WL2500A00 / KJ8-WL2503A00 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. -66-...
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KJ8-WL2500A00 / KJ8-WL2503A00 Parts Location Diagrams ● Accessories (see accessories parts list) REMOTE CONTROL MANUALs CD-ROMs HDMI ASPECT VGA CABLE AC CORD STRAP -67-...
KJ8-WL2500A00 / KJ8-WL2503A00 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%...
KJ8-WL2503A00 these schematic diagrams and printed wiring board drawings are part of the service manual original for chassis No. KJ8-WL2500A00 / KJ8-WL2503A00 models PLC-WL2500A / PLC-WL2503A. File with the service manual No. SM5111348-00 Note: All the information of part numbers and values indicated on these diagrams are at the beginning of production.
KJ8-WL2500A00 / KJ8-WL2503A00 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.
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KJ8-WL2500A00 / KJ8-WL2503A00 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 (GND) RESET (IN) (OUT)
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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)
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.