Hitachi 0506E, Service Manual

Page 1: ...it a shock They may cause bursting of the bulb 3 This projector is provided with a high voltage circuit for the lamp Do not touch the electric parts of power unit main when turn on the projector 4 Do not touch the exhaust fan during operation 5 The LCD module ass y is likely to be damaged If replacing to the LCD module ass y do not hold the FPC of the LCD module ass y Service Warning July 2000 Dig...

Page 2: ...e without danger of electrical shock The service technician must make sure that no protective device built into the instrument by the manufacturer has become defective or inadvertently damaged during servicing CE MARK 1 HITACHI products may contain the CE mark on the rating plate indicating that the product contains parts that have been specifically approved to provide electromagnetic compatibilit...

Page 3: ...n doit s assurer qu aucun des dispositifs de protection intégrés à cet instrument par le fabricant n est défectueux ou n a été endommagé de façon accidentelle lors de l entretien LABEL CE 1 Les produits HITACHI peuvent avoir reçu le label CE qui figure sur la plaque signalétique pour indiquer que cet ensemble contient des composants qui ont fait l objet d une homologation spécifique de respect des...

Page 4: ...ass keine vom Hersteller im Gerät eingebaute Schutzvorkehrung schadhaft geworden ist oder bei der Wartung unabsichtlich beschädigt wurde CE KENNZEICHEN 1 HITACHI Produkte enthalten eventuell das CE Kennzeichen auf dem Leistungsschild welches angibt dass das Produkt Teile enthält die eigens zugelassen sind um bis zu einem spezifizierten Niveau elektromagnetische Störfreiheit zu bewirken 2 Wenn Sie ...

Page 5: ...el Composite 1 0Vp p 75Ω termination Y C Y 1 0Vp p 75Ω termination C 0 286Vp p NTSC burst signal 75Ω termination 0 3Vp p PAL SECAM burst signal 75Ω termination RGB input output Video signal Analog RGB input 0 7Vp p 75Ω termination Sync signal H V separate TTL level Audio Input 200mVrms 20kΩ or less Output 0 200mVrms 1kΩ Speaker output 1 2W 1 2W stereo Power supply AC100 120V 3 7A AC220 240V 1 5A P...

Page 6: ...POWER indicator This indicator lights or blinks during standby and during operation TEMP indicator This indicator lights or blinks when the internal temperature of the projector rises and when the fan malfunctions Remote control photoreceptor Lens Lens cap Speaker Cooling fan intake side Cooling fan exhaust side Handle Speaker RESET button Used to reset the initial settings LAMP indicator This lam...

Page 7: ...UT jack RGB VIDEO Stereo mini pin jack AUDIO IN jack Stereo mini pin jack 1 2 RGB OUT jack D sub 15 pin shrink USB jack The mouse cursor can be controlled by remote control by connecting to a personal computer Connecting to the AC IN jack Make sure the accessory power cord is plugged into the AC IN jack as far as it will go Incomplete connection can result in fire or electrical shock Remote contro...

Page 8: ...fter the POSITION ON button has been pressed the screen can be moved upward downward and to the left and right MENU button Used to turn the menu screen display on and off MUTE button Mutes the sound when pressed and restores the sound when pressed again VOLUME button Adjusts the volume of the sound Press to increase the volume and to decrease the volume LASER button Turns the laser beam on and off...

Page 9: ...on for service When replacing the lamp Reset the operating time of lamp Reset the lamp timer Please carry out the following operation within 10 minutes from power on if you replaced the lamp after 2 000 hours 1 Press the RESET button on projector for 3 seconds or remote control TIMER button for 3 seconds and display the total lamp used time 2 Press the RESET button on projector or remote control M...

Page 10: ...OWER WILL TURN OFF AFTER 20 hr Lamp has 1 979 hours on it See P 6 Reset the lamp timer Blinking of CHANGE THE LAMP AFTER REPLACING LAMP RESET THE LAMP TIMER THE POWER WILL TURN OFF AFTER 0 hr When the lamp has 2 000 hours or more on it the message will blink and the power will turns off after 10 minutes NO INPUT IS DETECTED Signal is not input SYNC IS OUT OF RANGE The horizontal or vertical freque...

Page 11: ...ts red Lights red Lights red Lights green Blinks green Blinks orange Standby mode During warming up During operation During cooling down Lamp cannot light Cool projector by power off for 60 minutes If the indicator is still lit lamp may be defective Replace Blinks red Blinks red Blinks red Blinks red Cooling fan accidented Replace fan Goes off Goes off Goes off Goes off Goes off Goes off Goes off ...

Page 12: ... most clearly visible 3 Reset S H Position the cursor on S H in the Adjustment Menu and then press the RESET key Adjustment procedure 1 Use S H S H Timing in the Adjustment menu to adjust until the cross hatch vertical stripes are most clearly visible 2 Next check whether or not vertical jitter is within the range of 16 A 16 at the value resulting from the adjustment in item 1 3 If there is jitter...

Page 13: ...l for every other line 5 Use DAC P V COM G in the Adjustment menu to adjust until flicker is minimum 6 Use the XGA VESA 60 timing signal to input a 0 35Vp p B primary color signal for every other line 7 Use DAC P V COM B in the Adjustment menu to adjust until flicker is minimum Adjust it so that flicker is the lest 4 4 Ghost adjustment Adjustment preparations 1 Make this adjustment after completin...

Page 14: ...CONTRAST G in the Adjustment menu to adjust to the optimum 16 step shading characteristics visually Adjustment hints Lock DAC P SUB CONTRAST G at 30 Also lock DAC P BLACK2 GAIN G at 32 Use SUB BRIGHT G to adjust until the last two of the 16 steps on the bright side can no longer be saturated and then return slightly After adjusting if contrast is thought to be insufficient use DAC P SUB CONTRAST G...

Page 15: ... displayed as the measurement values 6 Next measure the color coordinates of adjustment point No 2 and then adjust No 2 A and B until the color coordinates are as follows x x1 0 01 y y1 0 01 ANSI point color uniformity 7 Measure and adjust the color coordinates of adjustment points No 3 No 9 in sequence in the same way starting with the smallest signal 8 Next measure the color coordinates of adjus...

Page 16: ...HK0043 CHK0044 EBAR EDI1 50 1 1 14 EDS1 EINF EMD1 ETEPELC1 EBAF ELMF CHK0042 CHK0040 CHK0038 CHK0039 CHK074 CHK064 CHK055 CHK075 CHK065 CHK066 ETEP ELC1 PWB ass y MAIN PROJECTION LENS PWB ass y input terminal video Top view without upper case Connectors on the back side of PWB ass y MAIN are drawn by dotted line ...

Page 17: ...mode CHK0082 12 5V CHK0041 6 6V CHK0043 17 0V Power unit circuit PWB ass y FILTER Fuse PWB ass y main NO YES Measure voltage at pin of EDI1 on the PWB ass y main at standby mode CHK0023 H H 2 5V Disconnect ETEP form PWB ass y main And retry turn on PWB ass y TEMPERATURE OK CHK0023 L PWB ass y main NO 1 1 4 6 28 28 4 6 ...

Page 18: ...N INTAKE Blinks Is the Lamp connection OK Short between and of ELC1 on the PWB ass y main And check again Set the Lamp again More than 12 5V NG NG OK Measure voltage at the round CHK0082 on the PWB ass y main at stand by mode NG Power unit Circuit PWB ass y main OK OK OK OK Is the Lamp cover set OK Set the Lamp cover NG LIMIT SWITCH LAMP DOOR LIMIT SWITCH LAMP DC FAN LAMP NG 1 2 1 Short between an...

Page 19: ... ass y main PWB ass y input terminal RGB PWB ass y main PWB ass y signal PWB ass y input terminal RGB Power unit circuit NO YES YES NO Is the 1 2 selected signal changed at pin CHK007 of EDI1 on the PWB ass y main NO YES L RGB1 H RGB2 H 5V PWB ass y main Check at operating mode CHK0031 R signal CHK0035 G signal CHK0037 B signal CHK010 H sync CHK011 V sync 43 6 7 2 3 10 39 38 11 ...

Page 20: ... Y signal C signal PWB ass y main PWB ass y signal Power unit circuit PWB ass y signal Power unit circuit PWB ass y input terminal VIDEO NO YES NO Are signal input at each pin of EDI1 on the PWB ass y main PWB ass y input terminal RGB NO 9V YES YES Check at operating mode Input both S signal composite video signal 6 1 1 3 5 3 5 6 CHK002 VIDEO R signal CHK004 VIDEO G signal CHK006 VIDEO B signal CH...

Page 21: ... main NO YES PWB ass y main Are signal input at these pins of EDI1 on the PWB ass y main NO YES PWB ass y signal PWB ass y input terminal RGB Check at operating mode with RGB1 or 2 input 10 10 12 14 12 14 4 4 6 8 6 8 CHK066 R signal CHK065 G signal CHK064 B signal CHK075 H sync CHK074 V sync CHK055 CLK 36 64 63 15 66 45 46 33 34 48 31 50 51 CHK0031 R signal CHK0035 G signal CHK0037 B signal CHK010...

Page 22: ...o sound both RGB and VIDEO signal input PWB ass y signal Speaker Check at operating mode 10 8 10 8 Can not control to mouse or RS232C Are the signals input at each pin of EDI1 on the PWB ass y main PWB ass y main YES PWB ass y input terminal RGB NO CHK0019 Mouse CHK0020 TXD CHK0021 RXD Pin No RS232C PS 2 ADB Serial 1 2 3 6 7 9 10 12 13 14 SEL0 RTS GND SEL1 RDP TDP CLK DATA SEL0 RTS 5V GND SEL1 DAT...

Page 23: ... 20 CP X960WA CP X970W Can not control to USB mouse Is the voltage at pin CHK0019 of EDI1 on the PWB ass y main set to H PWB ass y main PWB ass y input terminalRGB NO YES 26 ...

Page 24: ...lacing the LCD Lens Prism You should not replace separately the parts of the liquid crystal LCD Lens Prism because it works properly only when used together Therefore regarding these parts you can either replace part LCD Lens Prism Ass y or send the whole unit LCD Lens Prism Ass y back to Hitachi where we will replace the malfunctioning part recondition the device and send it back to you In that c...

Page 25: ...when the lamp becomes too hot Turn off the power and let the projector cool for 45 minutes Turn on Lamp Reflector Front glass Lamp 6 2 About Lamp Replacement Light source lamp has a service life The picture will become dark or color will be poor when the lamp is used for a long time If usage of lamp is continued in such cases it could cause a malfunction Replace lamp with new one As reference for ...

Page 26: ...may result in malfunctioning 5 Install the lamp cover and fix it using screws To prevent burn install the lamp cover and secure it using the screws Do not turn on the power with lamp cover removed Whenever the lamp is replaced reset the total operation time of the lamp Do not reset if the lamp has not been replaced Do not perform resetting without changing the lamp as this can cause lamp breakage ...

Page 27: ... 24 CP X960WA CP X970W 7 Block diagram ...

Page 28: ...etween the Main PWB and TEMP PWB is firmly connected Do not leave any slack Connect the cable between the ballast and lamp using caution concerning the polarity Connect the Drive PWB EDM1 steadily Connect the relay connector between LSW1 and LSW2 Fasten CNSG to the filter fitting with screws M3 panhead screw lock washer Fasten the lug terminal with the cable connector inside the chassis Use care t...

Page 29: ...is positioned Leave outside until the Optical Unit is positioned Place tape on the sharp edges of the AC metal and AC sheet And bend tape to the backside Wind the Speaker L lead once around Cabinet wiring clamp Use caution to avoid crushing I 206 when installing the Optical Unit OK OK NG Keep the twisted loop away from the adjustment foot screw Adjustment foot screw Cabinet wiring clamp CNFAN must...

Page 30: ... 27 CP X960WA CP X970W A B C D E A B C D E 1 2 3 4 5 6 POWER UNIT CIRCUIT 1 2 9 Basic circuit diagram Parts with hatching are not mounted ...

Page 31: ... 28 CP X960WA CP X970W A B C D E A B C D E 1 2 3 4 5 6 POWER UNIT CIRCUIT 2 2 ...

Page 32: ... 29 CP X960WA CP X970W A B C D E A B C D E 1 2 3 4 5 6 PWB ASS Y FILTER ...

Page 33: ...970W 11 Disassembly diagram l b b j b l e e PC ABS l k g a a d a f a a c m c PC ABS PC ABS 2 3 1 5 4 6 11 12 13 9 10 6 24 14 23 7 8 15 17 22 19 18 20 21 16 Remove a FRONT COVER ASS Y before you remove a UPPER CASE ASS Y ...

Page 34: ... 68 CP X960WA CP X970W j b i a i a c c h c b b b b PC ABS PC ABS PC GF PC GF ABS 31 25 29 30 30 32 28 26 27 35 36 39 41 42 40 44 43 22 37 38 16 45 47 46 45 33 34 48 ...

Page 35: ...ER 15 DT00231 P3X LAMP UNIT ASS Y 47 QD07972 FILTER COVER ASS Y 16 QD09148 BOTTOM CASE ASS Y only CP X960WA 48 AZ00251 THERMISTER 16 QD09237 BOTTOM CASE ASS Y only CP X970W 17 GS00362 DC FAN EXHAUST EV00631 POWER SUPPLY CORD US TYPE 18 MN02212 BALAST COVER EV00641 POWER SUPPLY CORD EUROPE TYPE 19 HA00623 POWER UNIT BALLAST EV00341 POWER SUPPLY CORD UK TYPE 20 NJ03652 BALAST HOLDER EW06031 3 CONDUC...

Page 36: ...8 8 1 5 5 5 0 9 8 8 5 1 1 5 5 5 1 1 1 4 1 15 2 2 2 0 9 2 2 0 9 2 2 1 5 5 5 1 5 5 2 4 9 44 8 2 4 0 9 4 8 8 4 5 1 1 5 5 5 0 9 8 4 5 6 5 5 8284 1 9 03 1 6 4 2 4 8 0 9 4 2 22 5 5 5 1 5 2 8 0 9 2 8 5 6 1 5 5 1 4 2 2 0 9 2 28 5 No 0506 JULY 2000 ...

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