Hitachi EDPJ32, Service Manual

Page 1: ...tor 4 Do not touch the exhaust fan during operation 5 The LCD module assembly is likely to be damaged If replacing to the LCD PRISM assembly do not hold the FPC of the LCD module assembly 6 Use the cables which are included with the projector or specified Service Warning Warning The technical information and parts shown in this manual are not to be used for the development design production storage...

Page 2: ...Vp p 75Ω termination C signal 0 286 0 1Vp p NTSC burst signal 75Ω termination 0 3 0 1Vp p PAL SECAM burst signal 75Ω termination AUDIO IN 200mVrms 47kΩ or more max 3 0Vp p Speaker output 1W mono Power supply AC100 120V 2 7A AC220 240V 1 5A Power consumption 240W Dimensions 285 W x 73 H x 202 D mm Not including protruding parts Weight 2 2kg 5 5lbs Temperature range Operation 5 35 C Storage 20 60 C ...

Page 3: ... Left side Control buttons Ports See below Vent Ports AUDIO port Restart switch RGB port Kensington lock slot NOTE About Restart switch This Projector is controlled by an internal microprocessor Under certain exceptional circumstances the projector may not operate correctly and the microprocessor will need to be reset In such a case please push the Restart switch by using a cocktail stick or simil...

Page 4: ...EMP indicator POWER indicator INPUT button Cursor buttons STANDBY ON button Controls Remote control SEARCH button RGB button VIDEO button ASPECT button MAGNIFY ON button OFF button FREEZE button POSITION button ESC button STANDBY ON button AUTO button BLANK button VOLUME button MUTE button KEYSTONE button Zoom button button MENU button Menu cursor buttons ENTER button RESET button ...

Page 5: ...ustments 4 Select PICTURE GAMMA in the Advance menu to set to DEFAULT1 Note that PICTURE menu is not selectable with no signal input displayed 5 Select PICTURE COLOR TEMP CUSTOM in the Advance menu then press or ENTER button to display the equalizing window Set all the values of OFFSET and GAIN in the window to zero Caution Before this performance make a note of your customer s adjustments because...

Page 6: ...ce adjustment Signal pattern for internal adjustment Adjustment procedure 1 Open FACTORY MENU and then select OPTION CNV V Use R and or B so that three colors of images can be converged at center top and bottom of the screen 2 In the same way select OPTION CNV H and use R and or B so that three colors of images can be converged at center left and right of the screen 4 3 E POS adjustment vertical b...

Page 7: ... and G in the FACTORY MENU Because we want to keep the best contrast ratio 5 Then adjust colors R and B 6 Select GAMMA SUB CNT and R and B in the FACTORY MENU If the background is white solid press the ENTER key on the Remote control trasmitter to change to W monochrome in the 33 tone grayscale 7 Adjust GAMMA SUB BRT R and B in the FACTORY MENU so that low brigtness white balance is best 8 Adjust ...

Page 8: ... of the points starting in order from the low numbers 5 Adjustment point No 1 should not be adjusted because it controls the brightness of the entire screen 6 To temporarily turn correction off place the cursor on C UNIF in the Adjust Tone menu and press the key The ON OFF menu appears Place the cursor on ON with the key and press the key To turn it on again place the cursor on OFF and press the k...

Page 9: ... R and B so that the coordinates are as follows x x1 0 005 y y1 0 010 9 Similarly measure adjustment points No 3 to No 17 and adjust their color coordinates start ing in order from the small number points This completes adjustments required for MIN Note Since excessive correction may lead to a correction data overview during internal calculations use the following values for reference No 2 to No 5...

Page 10: ...t makes it easy to see color shading 7 Next view measurement points No 4 No 5 No 12 No 13 and make similar adjustments 8 Then adjust measurement points No 6 No 7 No 8 No 9 No 14 No 15 No 16 and No 17 This completes the MIN tone adjustments 9 Make similar another three tones as described in steps 1 to 8 above 8 3 16 17 9 11 6 14 2 12 15 13 10 7 4 1 5 8 3 16 17 9 11 14 12 15 13 10 4 1 5 6 2 7 8 3 16...

Page 11: ... points PWB Assembly SW E800 E803 ESPL E801 E804 E301 E802 D303 LAMP D302 TEMP D301 Power P501 P701 P601 E806 E302 E807 E805 PWB assembly MAIN PWB assembly REMOTE Top view of the projector after the silver gilding on the lamp house detached ...

Page 12: ...SW from Power unit circuit And check TSW short or open PWB assembly Main Short TSW Open What is the state of TEMP indicator D302 Not light Blinks Jump to on the page 13 What is the state of LAMP indicator D303 Not light Blinks Short 0 Unplug power cord and disconnect cable CNLC then measure resistance between pins 1 and 2 of CNLC Open PWB assembly Limit SW PWB assembly Main Is the LAMP DOOR set OK...

Page 13: ...or D302 Not light Blinks DC FAN Exhaust H 3 3V L 0V L 0V L 0V Is the voltage at the 1 of E804 on the PWB assembly MAIN fixed to L during warming up L 0V Measure voltage at pin 1 of E801 on PWB assembly MAIN DC FAN B Panel Measure voltage at pin 1 of E807 on PWB assembly MAIN Is the voltage at the 3 of E804 on the PWB assembly MAIN set to L during warming up DC FAN Sub NO YES L 0V Is the voltage at...

Page 14: ...t NO YES Are voltage input at pins 1 3 5 7 of E800 on the PWB assembly MAIN 1 13 2V 3 17V 5 6 6V 7 4 1V Power unit circuit NO YES Are voltage input at pins 1 3 5 7 of E800 on the PWB assembly MAIN 1 13 2V 3 17V 5 6 6V 7 4 1V PWB assembly MAIN LCD PRISM assembly Check at operating mode Picture is not displayed only when the VIDEO S VIDEO signal is input ...

Page 15: ...ck the RS 232C cable Are pin No 2 and 3 crossed YES Power unit circuit Check the power supply voltage of E800 the voltage correct 1 13 2V 3 17V 5 6 6V 7 4 1V Speaker No sound NO YES Power unit CIRCUIT Are voltage input at pin 1 3 5 7 of the E800 on the PWB assembly MAIN about 8Ω 0Ω or infinity PWB assembly MAIN Turn off the projector and disconnect the Speaker cable from ESPL Measure the resistanc...

Page 16: ...eaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead free solder is higher than leaded solder Use a soldering iron that maintains a high stable temperature large heat capacity an...

Page 17: ...an 3 Vacuum cleaner 2 Disassemble and open the maintenance hole 1 Turn off the projector and unplug the power cord 2 Remove the top cover according to the notice 1 of chapter 8 3 Remove the PWB assembly MAIN according to the notice 2 of the chapter 8 4 Remove the Panel Cover 5 Attach the PWB assembly MAIN in original place and connect cables indicated above Note that flexi ble cables of LCD panels...

Page 18: ...e removing the dust separated dust will be blown off by air cooling system Please pay attention not to damage panel and optical filter 5 Re assembly 1 Turn off the set and remove the PWB assembly MAIN 2 Set the Panel cover so that stress is not put on flexible cables of LCD panels 3 Attach the PWB assembly MAIN in place and connect cables to connectors of it 4 Re assemble the set 5 While re assemb...

Page 19: ...s 1 By using the air duster remove the dust on multilens 2 Wipe the surface of multilens by using swab 5 Attach the lamp door and the lamp assembly Attach the lamp door and the lamp assembly accoding the description of Replacing the LAMP LAMP multilens surface Removeing the lamp shows the part multilens positioned vertically Wipe the whole of the multilens surface using the sweb CAUION Use special...

Page 20: ...attery a physical impact If you observe a leakage of a battery wipe out the flower and then replace a battery If the flower adheres your body or clothes rinse well with water immediately Obey the local laws on disposing a battery To use the remote control please load the batteries Whenever the remote control starts to malfunction replace the batteries If you won t use the remote control for an ext...

Page 21: ...there is no message Please replace the air filter when it is damaged or too soiled Preparation of a new air filter is recommended When you replace the lamp please replace the air filter An air filter of specified type will come together with a replacement lamp for this projector 1 Turn the projector off and unplug the power cord Allow the lamp to cool sufficiently 2 When the projector is suspended from ...

Page 22: ...hen press the button A dialog will appear 4 Press the button to select RESET on the dialog It performs resetting the filter time 1 Set an air filter into place Push the points of PUSH mark 2 Interlocking the tabs snap the cover into place Usual filter cover PUSH mark Filter cover for bot tom up use Tabs Tabs NOTE Please replace the air filter when it is damaged or too soiled and also when you replace ...

Page 23: ...t of the projector vents or get it in your eyes or mouth Before replacing the lamp turn the projector off and unplug the power cord then wait at least 45 minutes for the lamp to cool sufficiently Handling the lamp while hot can cause burns as well as damaging the lamp Never unscrew except the appointed marked by an arrow screws Do not open the lamp cover while the projector is suspended from above...

Page 24: ...cause an injury and an escape of gas containing mercury 6 Insert the new lamp and retighten firmly the two screws that are loosened in the previous process to lock it in place 7 While interlocking the 2 tabs of the lamp cover to the projector position the lamp cover on the projector and push the center point of the two claws to fix the lamp cover Then retighten firmly the screw of the lamp cover 8 Pl...

Page 25: ...rojector In order to ensure the safe use of the projector it is needed to clean and inspect the projector about once every year Caring for the lens If the lens is flawed soiled or fogged it could cause deterioration of display quality Please take care of the lens being cautions of the handling 1 Turn the projector off and unplug the power cord Allow the projector to cool sufficiently 2 After makin...

Page 26: ... respond as described below Although these messages will be automatically disappeared around several minutes it will be reappeared every time the power is turned on Message Description NO INPUT IS DETECTED ON There is no input signal Please confirm the signal input connection and the status of the signal source SYNC IS OUT OF RANGE ON fH kHz fV Hz The horizontal or vertical wavelength of the inputt...

Page 27: ... power off and allow the unit to cool down at least 20 minutes After the projector has sufficiently cooled down please make confirmation that no foreign matter has become caught in the fan etc and then turn the power on again If the same indication is displayed after the treatment please replace a fan Blinking In Red or Lighting In Red Turned off Lighting In Red There is a possibility that the inter...

Page 28: ...use it when not required Set operating time display method accumulated lamp time display method 1 Select OPTION from the Advance menu then place the cursor on the LAMP TIME 2 Press the Reset button once then press KEYSTONE button of the remote control for 3 seconds or more to display the screen shown below The menu will close after 10 seconds if there are no further operations 3 Use or to select t...

Page 29: ... tape Fix two screws in the locations indicated on the diagram Note that washers should be inserted underneath the screws First affix the optical engine by using two screws in the locations a1 a2 indicated on the diagram then fix one s c r e w a s i n d i c a t e d i n t h e upper part of the diagram a3 Secure the lens fix two screws in the locations indicated on the dia gram and put the foam ring...

Page 30: ...h the black insulation sheet to the location indi cated in the dia gram Attach the fan and secure two screws in the locations indicated on the diagram Pass the wire through the slots in the bal last bracket as indicated in the diagram First attach the power board ballast to the ballast bracket Place the ballast blacket onto the power board circuit and secure it in the location indicated on the dia...

Page 31: ...gram Important Attach the magnet to the 12Pin wire and thermal switch wire and fasten it Insert the three flexible cables into the connectors of the MAIN board C o n n e c t t h e c a b l e t o PWB assembly REMOTE Wrap the wire two times around the boss I n s e r t t h e w i r e behind the speaker Wrap E802 around E801 E804 and E301 ...

Page 32: ...s u l a t i o n s h e e t a n d secure it in place with one screw in the location indicated on the diagram Pass the earthing wire under neath the insulation sheet indi cated on the diagram Secure the shield sheet and the MAIN board with two screws ...

Page 33: ...33 PJ LC9 C12H 8 Disassembly diagram Make sure that the black cushions are attached on the speaker holders when the upper case is detached or attached ...

Page 34: ...34 PJ LC9 C12H ...

Page 35: ...wo meter screws on the rear 3 Turn the focus ring in the direction shown in the figure to shift the lens inward 4 Stick a hard and thin stick into a hole 2mm in diameter on the right side of the projector to unclip the UPPER CASE assembly from the BOTTOM CASE assembly They will be separated with about 2mm gap 5 Shift the hole part around the AC inlet forward and upward ...

Page 36: ... portion of bottom case toward the outside so that the terminals of MAIN board may not be caught in bottom case And then dis connect cable and unscrew the earthing wire PWB assembly MAIN 3 screws FRONT Disconnect the cable earthing wire PWB assembly MAIN REAR Lift up Unscrew the earthing wire 3 Removes POWER BOARD CIRCUIT 1 Unscrew 3 screws and then get the BALLAST BRACKET off Screw Lamp lead BALL...

Page 37: ...e CNBAR from connector CN2 while pressing the sub board to prevent the stress on the sub board Power Unit BALLAST CNBAR 2 Take the Power Sheet off and then unscrew a screw with a plastic washer Screw POWER UNIT CIRCUIT Power Sheet In removing POWER BOARD CIRCUIT from the bottom case assembly use flat screw driver or fine tool to unclip the holder with the arrow shown below Clip POWER UNIT CIRCUIT ...

Page 38: ...fter the maintenance of the POWER UNIT CIRCUIT and or the POWER UNIT BALLAST WARNING Assemble the power supply unit with care to achieve the required insulation Incor rect assembly could cause a fire and or an electric shock Attaching the Power Sheet correctly ...

Page 39: ...ts and unclip two hooks to take the PANEL DUCT ASSY off ATTENTION Don t break two hooks on the PANEL DUCT ASSY Please remove four screws and four squere nuts and take the LENS ASS Y off DICHROIC OPTICS UNIT LENS ASS Y DICHROIC OPTICS UNIT Moreover separate LCD PRSM ASSY and DICHROIC OPTICS UNIT in accordance with the instruction on the following page 1 How to detach the PANEL DUCT ASSY 2 How to de...

Page 40: ...CAUTION Please don t LCD PANEL contact with other parts Please attach PANEL COVER Please remove three screws M2x8 Please remove damaged LCD PRSM ASSY from OPT BTTM CASE vertically to avoid the possibility that the positioning boss cracks Please install new LCD PRSM ASSY into OPT BTTM CASE vertically to avoid the possibility that the posi tioning boss cracks Note that LCD PANEL don t come in contac...

Page 41: ...DC FAN PBS DC FAN PANEL B DC FAN PANEL RG DICHROIC OPTICS UNIT PWB ASS Y MAIN PWB ASS Y REMOTE PWB ASS Y SW CPC30 CONNECTOR POWER UNIT BALLAST POWER UNIT CIRCUIT FUSE 24 25 26 27 28 GK01341 DT00707 UX23747 KS09043 FH00311 QR65191 QD51591 HL02151 EV01662 EV01672 EV01682 EW06661 NX08061 EW08212 EW06532 EW07071 EW08521 EW08531 SPEAKER LAMP UNIT ASS Y LCD PRISM ASS Y LENS ASS Y THERMAL SW ASSY INSTRUC...

Page 42: ...3 Turn on the computer power supply and after the computer has started up turn on the projector power supply Communications setting 19200 bps 8N1 1 Protocol Consist of header 7 bytes Command data 6 bytes 2 Header BE EF 03 06 00 CRC_low CRC_high CRC_low Lower byte of CRC flag for command data CRC_high Upper byte of CRC flag for command data 3 Command Data Command Data Chart byte_0 byte_1 byte_2 byt...

Page 43: ...rement command 1 The computer sends the decrement code Header Command data 05H 00H type 2 bytes 00H 00H to the projector 2 The projector decreases the setting value on the above setting code 3 The projector returns the response code 06H to the computer When the projector cannot understand the received command When the projector cannot understand the received command the error code 15H is sent back...

Page 44: ...Reset Execute BE EF 03 06 00 58 D3 06 00 00 70 00 00 CONTRAST Get BE EF 03 06 00 FD D3 02 00 04 20 00 00 Increment BE EF 03 06 00 9B D3 04 00 04 20 00 00 Decrement BE EF 03 06 00 4A D2 05 00 04 20 00 00 CONTRAST Reset Execute BE EF 03 06 00 A4 D2 06 00 01 70 00 00 MODE Set NORMAL BE EF 03 06 00 23 F6 01 00 BA 30 00 00 CINEMA BE EF 03 06 00 B3 F7 01 00 BA 30 01 00 DYNAMIC BE EF 03 06 00 E3 F4 01 00...

Page 45: ...0 00 00 Increment BE EF 03 06 00 E6 FE 04 00 96 30 00 00 Decrement BE EF 03 06 00 37 FF 05 00 96 30 00 00 User Gamma Point 8 Get BE EF 03 06 00 7C FF 02 00 97 30 00 00 Increment BE EF 03 06 00 1A FF 04 00 97 30 00 00 Decrement BE EF 03 06 00 CB FE 05 00 97 30 00 00 COLOR TEMP Set LOW BE EF 03 06 00 6B F4 01 00 B0 30 01 00 MIDDLE BE EF 03 06 00 9B F4 01 00 B0 30 02 00 HIGH BE EF 03 06 00 0B F5 01 0...

Page 46: ...3 06 00 46 73 05 00 01 22 00 00 SHARPNESS Reset Execute BE EF 03 06 00 C4 D0 06 00 09 70 00 00 PROGRESSIVE Set TURN OFF BE EF 03 06 00 4A 72 01 00 07 22 00 00 TV BE EF 03 06 00 DA 73 01 00 07 22 01 00 FILM BE EF 03 06 00 2A 73 01 00 07 22 02 00 Get BE EF 03 06 00 79 72 02 00 07 22 00 00 MY MEMORY Load Set 1 BE EF 03 06 00 0E D7 01 00 14 20 00 00 2 BE EF 03 06 00 9E D6 01 00 14 20 01 00 3 BE EF 03 ...

Page 47: ... H SIZE Get BE EF 03 06 00 B5 82 02 00 02 21 00 00 Increment BE EF 03 06 00 D3 82 04 00 02 21 00 00 Decrement BE EF 03 06 00 02 83 05 00 02 21 00 00 H SIZE Reset Execute BE EF 03 06 00 68 D2 06 00 04 70 00 00 AUTO ADJUST Execute BE EF 03 06 00 91 D0 06 00 0A 20 00 00 COLOR SPACE Set AUTO BE EF 03 06 00 0E 72 01 00 04 22 00 00 RGB BE EF 03 06 00 9E 73 01 00 04 22 01 00 SMPTE240 BE EF 03 06 00 6E 73...

Page 48: ...0 86 D2 05 00 01 20 00 00 MUTE Set TURN OFF BE EF 03 06 00 46 D3 01 00 02 20 00 00 TURN ON BE EF 03 06 00 D6 D2 01 00 02 20 01 00 Get BE EF 03 06 00 75 D3 02 00 02 20 00 00 LANGUAGE Set ENGLISH BE EF 03 06 00 F7 D3 01 00 05 30 00 00 FRANÇAIS BE EF 03 06 00 67 D2 01 00 05 30 01 00 DEUTSCH BE EF 03 06 00 97 D2 01 00 05 30 02 00 ESPAÑOL BE EF 03 06 00 07 D3 01 00 05 30 03 00 ITALIANO BE EF 03 06 00 3...

Page 49: ...EF 03 06 00 9B D3 01 00 04 30 01 00 Get BE EF 03 06 00 38 D2 02 00 04 30 00 00 My Screen LOCK Set TURN OFF BE EF 03 06 00 3B EF 01 00 C0 30 00 00 TURN ON BE EF 03 06 00 AB EE 01 00 C0 30 01 00 Get BE EF 03 06 00 08 EF 02 00 C0 30 00 00 Message Set TURN OFF BE EF 03 06 00 8F D6 01 00 17 30 00 00 TURN ON BE EF 03 06 00 1F D7 01 00 17 30 01 00 Get BE EF 03 06 00 BC D6 02 00 17 30 00 00 AUTO SEARCH Se...

Page 50: ...h ROM Video OPTICAL UNIT PROJECTION LENS Lamp 128K EEPROM A D 䇭䌐䌌䌌 Video dec PW2200B DDC S Video TEMP SENSOR CONTROL PANEL X tal MCLK 132MHz X tal DCLK 40 0MHz S P COLOR UNIFORMITY TIMING GENERATOR GAMMA CORRECTION L3E07070 REMC PWB IR RECEIVER S H Level shift L3E06100 FAN Audio IN Volume IC AMP Speaker Reg TEMP SENSOR AIR FLOW SENSOR 㪚㪫㪣 RS 232C SWITCH SW PWB DC TEMPSW Wide VGA ...

Page 51: ...51 PJ LC9 C12H 12 Connector connection diagram Connector connection diagram CN103 ...

Page 52: ...52 PJ LC9 C12H 13 Basic circuit diagram Parts with hatching are not mounted 6 5 4 3 2 1 6 5 4 3 2 1 E D C B A PWB assembly REMC C12H PWB assembly SW C12H ...

Page 53: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 POWER UNIT BALLAST C12H For handling of the circuit diagram refer to the warning on the cover Warning 4parallel x 3series ...

Page 54: ...For handling of the circuit diagram refer to the warning on the cover Warning 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A POWER UNIT CIRCUIT C12H ...

Page 55: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 1 C12H ...

Page 56: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 2 C12H ...

Page 57: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 3 C12H ...

Page 58: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 4 C12H ...

Page 59: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 5 C12H ...

Page 60: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 6 C12H ...

Page 61: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 7 C12H ...

Page 62: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 8 C12H ...

Page 63: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 9 C12H ...

Page 64: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 10 C12H ...

Page 65: ...1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly MAIN 11 C12H ...

Page 66: ...MEMO ...

Page 67: ...POWER UNIT CIRCUIT PWB assembly MAIN 1 PWB assembly MAIN 2 PWB assembly MAIN 3 PWB assembly MAIN 4 PWB assembly MAIN 5 PWB assembly MAIN 6 PWB assembly MAIN 7 PWB assembly MAIN 8 PWB assembly MAIN 9 PWB assembly MAIN 10 PWB assembly MAIN 11 Basic circuit diagram list ...

Page 68: ...QR65311 Digital Media Division Printed in Japan JE PJ LC9 YK No 0556 ...