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If the Chassis. No. does not match the unit’s, additional Service Literature is required. Only the difference service information is given in this manual. For detailed service infor- mation, refer to the original service manual SM5110516-00, issued in September 2003, for Model PLC-XU50. Differences: The outline of the differences are as follows;...
■ Safety Instructions SAFETY PRECAUTIONS WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is iden- tified with the line ( ) in the schematic diagram.
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■ Specifications Projector Type Multi-media Projector Dimensions (W x H x D) 11.73" x 2.8" x 8.58" (298mm x 71mm x 218mm) (not including raised portions) Net Weight 6.2 lbs (2.8 kg) LCD Panel System 0.8" TFT Active Matrix type, 3 panels Panel Resolution 1024 x 768 dots Number of Pixels...
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■ 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. ● Fuse Fuse A fuse is located inside of the projector. When the POWER indica- tor is not lightning, the fuse may be opened.
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. - If the WARNING indicator is flashing, it may detect the abnormal temperature inside the projector.
■ Lamp Replacement WARNING: ORDER REPLACEMENT LAMP - For continued safety, replace with a lamp assembly of the same Type No. Service Parts No. type. POA-LMP65 610 307 7925 - Allow the projector to cool for at least 45 minutes before you open the lamp cover.
■ Electrical Adjustments ● Service Adjustment Menu Operation To enter the service mode To enter the “Service Mode”, press and hold the MENU and INPUT buttons on the projector at the same time for more than 3 seconds. The service menu appears on the screen as follows. To adjust service data Select the adjustment group no.
Electrical Adjustments ● Circuit Adjustments CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow- ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per- formance and product safety.
Electrical Adjustments Clamp adjustment [PC] Clamp adjustment [COMPONENT] 1. Receive the 16-step grey scale computer signal with 1. Receive the 16-step grey scale component signal Computer2 [RGB] mode. with Computer2 [Component] mode. 2. Enter the service mode. 2. Enter the service mode. TPG1 TPG1 3.
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Electrical Adjustments Sub Gain adjustment [PC] Video Center adjustment 1. Receive the 16-step grey scale computer signal with 1. Receive the 16-step grey scale computer signal with Computer2 [RGB] mode. Computer2 [RGB] mode. 2. Enter the service mode. 2. Enter the service mode TPG1 TPG1 3.
Electrical Adjustments ⁄1 Black Reference adjustment Gamma adjustment 1. Receive the 16-step grey scale computer signal with [PC-GAMMA ADJUSTMENT] Computer2 [RGB] mode. 1. Receive the 16-step grey scale computer signal with 2. Enter the service mode. Computer2 [RGB] mode. TPG1 3.
Electrical Adjustments ● Test Points and Locations MAIN BOARD IC1851 IC5351 -12-...
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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.
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Electrical Adjustments Adjustment Item Initial Value Range Input source / Description ✻ Gamma Adjustment G_GAM_BRT 0/0/0/0 0 ~ 2047 [Addr:0x2030-2031] Signed 11bit Ignore lower 2bit PC/AV/DVI/HDCP ✻ White Balance Adjustment R_GAM_BRT 0/0/0/0 0 ~ 2047 [Addr:0x202E-202F] Signed 11bit Ignore lower 2bit PC/AV/DVI/HDCP ✻...
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Electrical Adjustments Adjustment Item Initial Value Range Input source / Description Group 100 H8 Option Lamp Time Monitor 0~8738 Read Only RS232C Baudrate 0 ~ 1 0: 19200bps1: 9600bps Cooling Time 1 ~ 15 Cooling time1:30 sec.3:90 sec.15:450 sec. Hi-Land SW 0 ~ 3 0: Normal Mode1~3: High-Land Mode 1-3 Lamp Total Time...
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Electrical Adjustments Adjustment Item Initial Value Range Input source / Description ECO_VALU_FAN1_MIN 70/70 Minimum Control Value for FAN1 at Eco Mode ECO_VALU_FAN1_MAX 135/135 Maximum Control Value for FAN1 at Eco Mode ECO_VALU_FAN2_MIN 85/85 0~255 Minimum Control Value for FAN2 at Eco Mode ECO_VALU_FAN2_MAX 130/130 Maximum Control Value for FAN2 at Eco Mode...
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Electrical Adjustments Adjustment Item Initial Value Range Input source / Description L1 HIMOTHR 0 ~ 16 L1 LWMOTHR 0 ~ 16 L2 LWDIFFTH 0 ~ 255 L2 Still picture L2 HIDIFFTH 0 ~ 255 L2 HIMOTHR 0 ~ 16 L2 LWMOTHR 0 ~ 16 Group: 301 Color Gain AV Color...
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Electrical Adjustments Adjustment Item Initial Value Range Input source / Description Group: 514 HDTV 575p Gakaku (Component) HDTV TOTAL DOTS 1253 0 ~ 4096 HDTV DISP DOTS 0 ~ 4096 HDTV H BACK PORCTH 0 ~ 4096 HDTV V BACK PORCTH 0 ~ 4096 HDTV DISP LINE 0 ~ 4096...
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Electrical Adjustments Adjustment Item Initial Value Range Input source / Description RGB H BACK PORCTH 0 ~ 4096 RGB V BACK PORCTH 0 ~ 4096 RGB DISP LINE 0 ~ 4096 RGB CLAMP 0 ~ 127 RGB WIDTH 0 ~ 63 Group: 524 RGB 575p Gakaku RGB TOTAL DOTS 1385...
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■ Electrical Parts List MW3-XU5003 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 spe- cial significance to product safety.
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MW3-XU5003 Electrical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions. ● OUT OF CIRCUIT BOARD R/C Board F601 Main Board Fuse Power Board AV Board A901 DVI Board Ballast Board Lamp Cover SW Board FN904 Cooling Fan(R) FN905 Cooling Fan(G)
PLC-XU50 MW3-XU5003 These schematic diagrams and printed wiring board drawings are part of the service manual notice for chassis No. MW3-XU5003, model PLC-XU50. File with the service manual No. SM5110516-07. Note: All the information of part numbers and values indicated on these diagrams are at the beginning of production.
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■ Parts description and reading in schematic diagram MW3-XU5003 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.
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■ Pin description of diode, transistor and IC MW3-XU5003 ● 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 ●...
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■ Printed Wiring Board Diagrams ! CAUTION This projector is isolated from AC line by using the internal converter transformer. Please pay attention to the following notes in servicing 1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides (secondary circuit) at the same time.