6J PC Offset adjustment

Receive the 16-step gray scale computer signal. 4. Connect an oscilloscope to test point TP25R1 (+) and chassis ground (-). 5. Select group no. 3, item no. 11 and change data value to adjust the waveform a (black portion ) to be maximum amplitude. 6. Connect an oscilloscope to test point TP25G1 (+) and chassis ground (-). 7. Select group no. 3, item no. 12 and change data value to adjust the waveform a (black portion ) to be maximum amplitude. 8. Connect an oscilloscope to test point TP25B1 (+)...

Air filter care and cleaning

The removable air filter prevents dust from accumulation on the surface of the projection lens and projection mirror. Should the air filter become clogged with dust particles, it will reduce the cooling fan's effectiveness and may result in internal heat build up and reduce the life of the projector. To clean up the air filter, follow the cleaning procedure 1. Turn the power off, and disconnect the AC power cord from the AC outlet. 2. Turn the projector up side down and remove an air filter by...

C Av Dvi Temp Board and Speaker removal

1 Remove 1 screw A (M4x8) to release grounding wires. 2 Pull the Rear Panel ass'y upward. 3 Remove 4 screws B (T3x6) and remove the AV Board. 4 Remove 4 screws C (T3x6) and remove the DVI Board. 5 Remove 4 screws D (T2.6x6) and remove the speaker. 6 Remove 1 screws E (T3x8) and remove the Sensor Board.

Cleaning with air spray

Remove the cabinet top following to Mechanical Disassemblies. 2. Clean up the LCD panel and polarizing plate by using the air spray from the cabinet top opening. Use a commercial (inert gas) air spray designed for cleaning camera and computer equipment. Use a resin-based nozzle only. Be vary careful not to damage optical parts with the nozzle tip. Never use any kind of cleanser on the unit. Also, never use abrasive materials on the unit as this may cause irreparable damage.

Condenser Lens adjustment

1 Turn the projector on by a state of without FPC cables. 2 Project only green light on the screen. 3 Adjust the adjustment base of condenser lens assy to make color uniformity in green. 1) If the shading appears on the left or right of the screen as shown in Fig.2-1, loosen 2 screws A with the 2.0mm hex driver, and adjust the slot B to make color uniformity in green by using a slot screwdriver. 2) If the shading appears on the top or bottom of the screen as shown in Fig.2-2, loosen 2 screw C...

Condenser Lens Out adjustment

1 Turn the projector on by a state of without FPC cables. 2 Project green and blue lights on the screen. 3 Adjust the adjustment base of condenser lens-out assy to make color uniformity in cyan. 1) If the shading appears on the left or right of the screen as shown in Fig.3-1, loosen 1 screw A with the 2.0mm hex driver, and adjust the slot B to make color uniformity in cyan by using a slot screwdriver. 2) If the shading appears on the top or bottom of the screen as shown in Fig.3-2, loosen 1...

How to reset Lamp Replace Counter

1 Turn the projector on, and press the MENU button and the on-screen menu will appear. Press the POINT LEFT RIGHT buttons to move a red frame pointer to SETTING menu icon. 2 Press the POINT DOWN button to move a red frame pointer to Lamp counter reset and then press the SELECT button.The message Lamp replace counter reset is displayed. Move the pointer to Yes and the press the SELECT button. 3 Another confirmation dialog box appears and select Yes to reset Lamp Replace Counter . Should the air...

LCD Panel Prism Assy Replacement

IMPORTANT NOTICE on LCD Panel Prism Ass'y Replacement LCD panels used for this model can not be replaced separately. Do not disassemble the LCD Panel Prism Ass'y. These LCD panels are installed with precision at the factory. When replacing the LCD panel, should be replaced whole of the LCD panels and prism ass'y at once. After replacing LCD Panel Prism ass'y, please check the following adjustments. - Check the Condenser Lens Adjustment, Condenser Lens-Out Adjustment and Relay Lens-Out...

Memory IC Replacement

IC1801 on the main board stores the data for the service adjustments, and should not be replaced except for the case of defective device. If replaced, it should be performed the re-adjustments following to the Electrical Adjustments. The data of lamp replacement monitor timer is stored in the IC1801. Please note that the lamp replace counter is reset when the memory IC (IC1801) is replaced. (Lamp replace counter can not be set to the previous value.) Caution to memory IC replacement When IC1801...

No Picture

The possible causes of No Picture are listed below. Please check following and refer to video signal processing diagrams in the figure opposite. 1. No picture from Video source Composite Video Input Check composite video signal at pins 45 and 46 of K10U on the AV Board and K3U on the Main Board. Check Y, C signals at pins 7 and 9 of IC2101. Check Y, C signals at pins 5 and 7 of IC1101 S-Video Input Check S-video signals at pins 39, 40 (Y), 41, 42 (C) of K10U and K3U. Check Y, C signals at test...

No Sound

No audio signals at AV input circuit. Check audio signals at pins14 and 15 of IC5011 on the AV Board. Check IC5011 and peripheral circuits. 2. Incorrect operation of VIDEO COMPUTER mode switching. Check AV PC switching signal at pins 10 and 11 of IC5011. Check IC5011, IC801 and switching signal. AV Low, PC High 3. No audio output signal at speaker. Check audio signal at pins 1 and 3 of K8F on the Main Board. Check MUTE signal at pin 1 of IC001. Mute On Low Check MUTE signal at pin 7 of IC1831,...

Note on LCD Panel Prism Assy Mounting

After replacing or installing the LCD Panel Prism ass'y, please make sure to obtain the best focus in both TELE and WIDE zoom. If the focus adjustment is required, please adjust the positioning of LCD Panel Prism Ass'y by following below procedure. 1 Loosen 4 screws A on the LCD Panel Prism ass'y with 2.0 mm hex driver. 2 Turn the projector on and project the image with WIDE zoom, and adjust the FOCUS control to obtain the best focus. 3 Turn the ZOOM control to the TELE position. 4 Move the LCD...

Parts description and reading in schematic diagram

The parts specification of resistors, capacitors and coils are expressed in designated code. Please check the parts description by the following code table. 2. Some of transistors and diodes are indicated in mark for the substitution of parts name. Please check the parts name by the following code table. 3. Voltages and waveforms were taken with a video color bar signal(1Vp-p at 75 ohms terminated) and controls to normal. 4. Voltages were taken with a high-impedance digital voltmeter.

Recommendation

We recommend to avoid dusty, smoky place for operating the projector. Using in dusty place may cause the picture of poor quality. When using under the dusty or smoky conditions, dust may accumulate on the LCD panel and lens inside it, and may resultantly be projected on the screen together with the picture. When the above symptoms are noticed, please clean up the LCD panel and lens following to the Cleaning Method.

Relay lensOut adjustment

1 Turn the projector on by a state of without FPC cables. 2 Project all of lights on the screen. 3 Adjust the adjustment base of relay lens assy to make color uniformity in white. 1) If the shading appears on the left or right of the screen as shown in Fig.4-1, loosen 1 screw A with the 2.0mm hex driver, and adjust the slot B to make color uniformity in white by using a slot screwdriver. 2) If the shading appears on the top or bottom of the screen as shown in Fig.4-2, loosen 1 screw C with the...

Scr Pan 2x4

(Including Key No.5) 9 610 298 4040 CAP LNS-MF8A (Including Key No.5) 9 610 298 4040 CAP LNS-MF8A 5 610 297 2344 CABINET RING-MD8A 6 610 301 3343 CABINET FRONT SERVICE-MD8 (Including Key No.5) 7 610 300 2248 COMPL,CABINET BOTTOM-MD8A (Including Key No.7-a and b) 7 610 300 2248 COMPL,CABINET BOTTOM-MD8A (Including Key No.7-a and b)

Signal Center adjustment

Receive the 16-step grey scale video signal. 4. Connect an oscilloscope to test point TP201R (+) and chassis ground (-). 5. Select group no. 3, item no. 14 and change data value to adjust the pedestal level and black level to be the same level. 6. Connect an oscilloscope to test point TP201G (+) and chassis ground (-). 7. Select group no. 3, item no. 15 and change data value to adjust the pedestal level and black level to be the same level. 8. Connect an oscilloscope to test point TP201B (+)...

White Balance adjustment

Receive the 16-step gray scale computer signal. 3. Enter the service mode, select group no. 2, item no. 7 (Red) or 8 (Blue), and change data values respectively to make a proper white balance. 4. Receive the 16-step grey scale video signal. 6. Enter the service mode, select group no. 2, item no. 7 (Red) or 8 (Blue), and change data values respectively to make a proper white balance. Confirm that the same white balance is obtained in video and computer input.

Z Fan Voltage adjustment For PLCXU46

Enter the service mode and select group no. 11 and item no. 0. Set data value to 1 . 2. Connect a digital voltmeter to test point TP12V1 (+) and chassis ground (-). Select item no. 1 and adjust the voltage to be 8.0 0.1Vdc by changing the data value. 3. Connect a digital voltmeter to test point TP12V2 (+) and chassis ground (-). Select item no. 2 and adjust the voltage to be 10.0 0.1Vdc by changing the data value. 4. Select group no. 11 and item no. 0 and set data value to 3. 5. Connect a...

Safety Precautions

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 HA, in the schematic diagram. For continued product safety and protection of personnel injury, servicing should be made with qualified personnel. The following precautions must be observed. 1 An isolation transformer should be connected in the power...

Model Chassis No

These schematic diagrams and printed wiring board drawings are part of the service manual original for chassis No. ME3-XU4500, MF3-XU4600 models PLC-XU45, PLC-XU46. File with the service manual No. SM5110464-00. All the information of part numbers and values indicated on these diagrams are at the beginning of production. To improve the performance, there may be some differences to the actual set. When you order the service parts, use service parts code mentioned on the parts list in this...

Thermal switch

There is the thermal switch SW902 inside of the projector to prevent the internal temperature from rising abnormally. When the internal temperature reaches near 100 C, turn off the AC main power supply automatically. The thermal switch is not reset to normal automatically even if the internal temperature becomes normal. Reset the thermal switch following procedure. Check the resistance between terminals of thermal switch by using the tester. If it has high impedance, thermal switch may be in...

No Power

Fluke Scopemeter 199b Electrical Diagram

The possible causes of No Power are listed below. Please check following and refer to power supply and protection circuits diagram in the figure opposite. 1. Stop the operation of power supply circuit due to detection of abnormality. - Detected the abnormality on the secondary power supply lines. Power failure detection diodes detect an abnormal voltage on the power supply. Check the shortage of secondary circuits, ICs, condensers, etc. - Detected the operation stop of cooling fans. Power...