Hitachi CP-X270W Service Manual Download Page 34

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CP-X270W

10. Basic circuit diagram

DC370

GND

CN1

CN2

C23

D32

C21

D29

C20

C24

C18

R32

R31

D30

FB2

R30

- -

C19

- -

D31

R35

FB4

C98

FB3

C10

R21

R36

R23 D13

R37

C16

ZD6

ZD7

C27

R40

ZD2

R22

FB5

FB6

D15

FB1

R43

R44

R47

R45

R46

R12

R14

R13

R15

R24

R10

- -

ZD3

SSS

C14

D16

R25

R38

R27 D25

R39

D19

ZD8

ZD9

C28

R41

C12

- -

PC1

ZD4

R26

FB7

C13

D21

C15

FB8

D27

R28

ZD5

LAMP

R99

PC2

PC1

PC2

R33

C50

C22

- -

HI C

POWER UNIT ( BALLAST )

Parts with hatching are not mounted.

Summary of Contents for CP-X270W

Page 1: ...ouch the lamp bulb with a finger or anything else Never drop it or give 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 when turning on the projector 4 Do not touch the exhaust fan during operation 5 The LCD module assembly is likely to be damaged If replacing the LCD module assembly ...

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: ...rmination C 0 286Vp p NTSC burst signal 75 termination 0 3Vp p PAL SECAM burst signal 75 termination RGB input Video signal Analog RGB input 0 7Vp p 75 termination Sync signal H V separate TTL level Audio input 200mVrms 47k Speaker output 1W mono Power supply AC100 120V 2 0A AC220 240V 0 9A Power consumption 200W Dimensions 289 W 84 H 210 D mm expect foot adjuster Weight 2 4kg 6 4lbs Temperature r...

Page 6: ...peaker Rear Foot Adjuster LAMP Indicator TEMP Indicator POWER Indicator MENU Button Ventilation Openings exhaust Terminal Panel Refer below Remote Control Sensor LAMP COVER AUDIO IN Terminal Power Switch AC Inlet to the Power Cord Ventilation Openings Intake Zoom Knob Focus Ring Remote Control Sensor Lens Slide Lens door Foot Adjuster Control Panel FRONT LEFT VIEW OF THE PROJECTOR REAR RIGHT VIEW ...

Page 7: ...on MAGNIFY Button AUTO Button TIMER Button Battery Holder VIDEO Button RGB Button MENU SELECT Button RESET Button POSITION Button VOLUME Button VOLUME Button FREEZE Button MUTE Button BLANK Button REMOTE CONTROL TRANSMITTER Loading the Battery First Loading In original packing the battery is installed in the battery holder of the remote controller with protection film the transparent filmsome of w...

Page 8: ...e lamp Press the MUTE button of the projector or the remote control for 3 seconds During be displayed the operating time of the 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 transmitter TIMER button for 3 seconds and display the total...

Page 9: ...control transmitter will be pressed and it will change to a screen for the vertical band adjustment When the vertical band is conspicuous adjust to the best point by less than 3 points from flicker adjustment value 3 In the same way use DAC P V COM G in the Adjustment menu to adjust the G color flicker 4 In the same way use DAC P V COM B in the Adjustment menu to adjust the B color flicker 4 Adjus...

Page 10: ...ess the MENU key to return 4 Adjust Gamma 86 and G in the Adjust menu so that illuminance Y at the center of the screen is adjusted as follows Y A x 0 712 40 lx 5 Adjust Gamma 43 and G in the Adjust menu so that illuminance Y at the center of the screen is adjusted as follows Y A x 0 155 15 lx 6 Adjust Gamma 29 and G in the Adjust menu so that illuminance Y at the center of the screen are adjusted...

Page 11: ...f the entire screen can be adjusted by adjusting the white balance for each 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 ON in the Adjust Tone menu and press the key To turn it on again place the cursor on OFF in the Adjust Tone men...

Page 12: ... No 3 to No 9 and adjust their color coordinates starting in order from the small number points 5 Then adjust MAX tone G Select No 2 G If the background is white solid press the MENU SELECT key on the Remote control transmitter to change to G monochrome 6 Measure the illuminance of measurement point No 2 and No 3 Temporarily set No 2 to illuminance Y2 and No 3 to illuminance Y3 lx 7 Adjust the ill...

Page 13: ...3 Lower the G color intensity only of the color point whose G color is more intense than measure ment point No 1 7 View measurement point No 10 and No 11 Lower the G color intensity only of the color point whose G color is more intense than measure ment point No 1 and raise the intensity of the point whose color intensity is lower than measure ment point No 1 8 This completes adjustments for MAX t...

Page 14: ...2 10 1 16 14 12 8 6 4 8 4 16 14 12 3 11 2 14 15 10 5 7 15 10 1 2 13 15 5 7 12 4 1 8 17 13 1 3 11 16 9 5 17 9 15 13 7 5 3 17 9 11 6 17 9 6 13 7 5 14 12 10 4 6 2 8 16 3 11 2 1 16 14 12 8 4 8 4 16 14 12 3 2 14 15 10 5 7 15 10 1 2 13 5 7 12 4 1 17 13 1 3 5 11 9 11 8 16 15 10 6 No 2 deviation range No 10 deviation range No 3 deviation range No 11 deviation range No 4 deviation range No 12 deviation ran...

Page 15: ...270W 5 Troubleshooting Check points at trouble shooting 1 4 24 1 14 1 1 2 12 13 E804 I303 E800 E302 E101 1 35 70 36 PWB ass y Drive TSW CH1G CH1B CH1R TP85 TP86 CHD3 CHC1 CHA14 CHA15 CHB14 CHB9 CHD12 CHC13 CHD8 ...

Page 16: ...TSW short or open PWB ass y Drive Short TSW Open What is the state of TEMP P indicator Not light DC FAN EXHAUST Blinks PWB ass y SENSOR What is the state of LAMP P indicator Not light Blinks 2 2 3 4 5 3 4 5 Is the LAMP connection OK Set the LAMP again H More than 6V Measure voltage at the of 4 E804 on the PWB ass y drive L OV Limit SW PWB ass y Drive Is the LAMP COVER set OK Set the LAMP COVER NG ...

Page 17: ... Drive Power unit ballast Light Not light NO YES NO YES H 3 3V Change the lamp Does lamp light Power unit circuit Not light Light What is the state of TEMP indicator Not light Blinks PWB ass y Drive DC FAN INTAKE A B H 3 3V L OV 1 Measure sure voltage at the of I303 on the PWB ass y Drive 7 Connect E302 for PWB ass y SENSOR Does disconnect E302 for PWB ass y SENSOR ...

Page 18: ...70W Picture is not displayed only when the RGB signal is input Are signal input at each pin of E101 on the PWB ass y Drive PWB ass y Drive PWB ass y Signal Power unit circuit YES NO Check at operating mode 35 36 ...

Page 19: ...nput Power unit circuit NO YES Are E800 on the PWB ass y Drive 16V 7V 4 5V PWB ass y Drive LCD module ass y Are signal input at these pins of E101 on the PWB ass y Drive NO YES PWB ass y Signal Check at operating mode 5 5 2 2 4 3 4 CHD8 VIDEO YUV4 2 2 Y LSB Digital 12 59 ...

Page 20: ... at operating mode No sound Can not control to RS232C Are the signals input at each pin of E101 on the PWB ass y Drive PWB ass y Drive YES PWB ass y Signal NO CHD3 TXD CHC1 RXD Pin No RS232C 1 2 3 6 7 9 10 12 13 14 SEL0 RTS GND RDP TDP Check at operating mode 9 62 ...

Page 21: ...ctor connecting cables and the PWB Ass y Signal 1 Disconnect 5 cables and remove 3 screws 2 Lift up the rearward of the PWB Ass y Drive to the front 3 Disconnect 6 cables lifting the PWB Ass y Drive Disconnect 5 cables Remove 3 screws PWB Ass y Drive PWB Ass y Drive Disconnect the board to board connector FRONT Lift up REAR Disconnect 6 cables ...

Page 22: ...ed explosive sound is heard disconnect the power plug from the power outlet The lamp is covered by front glass but in rare cases the reflector and the inside of the projector may be damaged by scattered broken pieces of glass and broken pieces could cause injury when being handled Lamp Reflector Front glasss Lamp Life Projector lamps have a finite life The image will become darker and hues will be...

Page 23: ... use the projector with the lamp cover removed Resetting the Lamp Timer Reset the lamp timer after replacing the lamp When the lamp has been replaced after the LAMP indicator is red or the CHANGE THE LAMP message is displayed complete the following operation within ten minutes of switching power ON The power will be turned off automatically in over 10 minutes 1 Switch power ON and press the TIMER ...

Page 24: ...icator LAMP indicator and TEMP indicator will light or blink in the following cases Lamp is not inserted or Lamp cover is open Securely insert the lamp or shut the lamp door Inside temperature becomes high ON indicator LAMP indicator TEMP indicator Meaning Remedy Lights orange Lights red Lights red Lights red Lights red Lights green Blinks green Blinks orange Standby mode During warming up During ...

Page 25: ...ter should be cleaned as described below at intervals of approximately 100 hours 1 Switch the projector power supply OFF and remove the power cord from the power outlet 2 Clean the air filter with a vacuum cleaner CAUTION Switch power OFF and remove the power cord from the power outlet before beginning maintenance work Please read the separate SAFETY INSTRUCTIONS thoroughly to ensure that maintena...

Page 26: ...oosened POWER PWB BLOCK M3X8 M3X6 M3X6 M3X6 M3X8 M3X8 M3X6 M3X6 M3X51 T3X12 T3X12 T3X12 M3X12 T3X12 How to remove the POWER PWB BLOCK After remove these screws pull up POWER PWB BLOCK in direction of arrow M Meter screw T Tapping screw ...

Page 27: ...ct the VOLUME on the menu 3 Continue pressing the button RESET for 3 seconds pressing the button 1 Display the menu by the MENU button 2 Select the OPT on the menu 3 Continue pressing the button MAGNIFY OFF for 3 seconds 1 Display the menu by the MENU button 2 Select the VOLUME on the menu 3 Continue pressing the button MAGNIFY OFF for 3 seconds 2 Select the HIGH on the OSD using the button To res...

Page 28: ...L PANEL AC INPUT CLAMP RGB CTL Flash ROM TIMING GENERATOR SP SUB CPU VIDEO DECORDER SAA7114 VOLUME CONTROL SIGNAL PWB AUDIO VIDEO IR RECEIVER PWB OPTICAL UNIT PROJECTION LENS DC POWER REGURATOR AUDIO_AMP Lamp COLOR UNIFORMITY FAN SRAM EEPROM A D PLL AD9884A DDC RS 232C Y C IR RECEIVER S P TEMP SENSOR 0 7 LCD PANEL S H DAC P S S H SYNC SEP ...

Page 29: ...8 24 VSIG7 25 VSIG6 26 VSIG5 27 VSIG4 28 VSIG3 29 VSIG2 30 VSIG1 31 VSSGR 32 PSIG DC Fan R intake A PWB ass y LIMIT SWITCH 1 TEMP 2 GND R C R R C F 1 FAN4_S 2 BACK 3 GND 4 COVER_S DC Fan G intake A DC Fan B intake B PH 3P PH 3P 1 FAN2_S 2 LCD G 3 GND 1 FAN3_S 2 LCD B 3 GND 1 OUT 2 GND LCD PANEL G LCD PANEL B 1 GND AU 2 GND AU 3 POWER6 4 MOUSE 5 GND R C 6 R C R 7 CLK A 8 GND ST 9 TXD 10 GND AD 11 G...

Page 30: ... and CN104 are connected firmly TSW Route these items through the opening in the circuit board holder 1 3 Power supply circuit board block wiring at circuit board block subassembly assembling stage 1 CNPWR connection 2 CNPWR engagement 3 Igniter lead routing CNPWR CN2 CN1 FEB2 Igniter Lead BALLAST COVER Igniter Lead FEB2 CNPWR CN101 Engage with a claw Route the Igniter lead as shown above CNBAR CN...

Page 31: ...T BALLAST POWER UNIT CIRCUIT PWB ASS Y SIGNAL CNSP 2 Wiring at Bottom Case Assembling Stage Styling of CNBAR and CNPOW Style the CNPOW and CNBAR as shown to prevent capture at the time of optical unit installation Ensure that the TSW cable is not caught ...

Page 32: ...tape around the CNTH to prevent its removal after inserting it into the E950 After hooking the CNTH adhere this lead to the circuit power unit case with TAP10 Route the CNRM as shown below Ensure that it is not positioned between the boss and lens barrel to prevent the lens from coming into contact with a cable R CNRM boss lens barrel Make the CNRM taut before TAP1 attachment Exercise care to avoi...

Page 33: ...e by pushing it into its position beneath the Drive Circuit Board Connect all the panel flexible cables to their connectors 1 Pull out the hinge 2 Insert the flexible cable into a position beneath the hinge 3 Push the hinge inward flexible cable connector hinge Engage the fan cable for exhaust and CNLC with the sheet ring E941 E942 Make the cable connection before mounting the SW circuit board CNL...

Page 34: ...4 R21 R36 R23 D13 R37 D7 C16 Q2 Q6 Q3 ZD6 ZD7 C27 R40 ZD2 R22 FB5 FB6 D15 C8 D9 FB1 R43 L1 R44 R47 R45 R46 R9 R12 R14 R13 R15 R8 R24 R7 R6 R11 R10 R5 R4 C7 C6 ZD3 Q7 SSS L3 C1 1 HB Lo Ho 2 3 C14 D16 R25 R38 R27 D25 R39 D19 Q8 ZD8 ZD9 C28 R41 C12 C11 Q9 TP PC1 4 14 C2 Q4 Q5 ZD4 R26 FB7 C13 D21 C15 FB8 D27 R28 ZD5 LAMP R99 PC2 PC1 PC2 12 9 8 10 1 2 5 3 7 6 R33 C50 VR C22 HI C POWER UNIT BALLAST Part...

Page 35: ...8 C119 Q101 C116 C104 C103 C102 L101 L102 L104 D101 C106 C105 RC RC R115 T101 D103 CR101 RF101 R116 D104 R102 IC101 R109 R110 C117 C113 R106 C108 R111 R112 R113 R114 C114 TH101 5 8 3 6 2 1 4 7 C115 CN101 CN101 CN101 1 2 3 A E B D G H POWER UNIT CIRCUIT 1 2 to POWER UNIT CIRCUIT 2 2 A B C D E A B C D E 1 2 3 4 5 6 ...

Page 36: ...02 L304 C302 C308 R316 R308 C303 C311 Q307 R325 Q306 D303 D301 C314 R318 D304 C315 R319 R304 R309 Q302 Q306 C301 R302 IC301 PC202 PC201 R307 R310 R322 R312 R306 R305 C309 C307 R301 C306 C310 C304 C313 C316 R313 R323 Q308 R321 R314 R320 L302 L303 D306 ZD301 Q301 GND GND GND GND GND SIGNAL 4 3V 4 3V 4 3V 4 3V FAN ON OFF 6V FAN GND SIGNAL 14 5V L TEMP L TEMP 17V CN102 3 CN102 2 CN102 13 CN104 1 CN103...

Page 37: ... 34 CP X270W PWB ass y REMOTE PWB ass y SWITCH PWB ass y SENSOR ...

Page 38: ...CP X270W CP X270W 35 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y SIGNAL 1 2 ...

Page 39: ...CP X270W CP X270W 36 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G E030 15P DSUB FEMALE MALE PWB ass y SIGNAL 2 2 SERIAL MOUSE RS232C ...

Page 40: ...CP X270W CP X270W 37 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 1 8 ...

Page 41: ...CP X270W CP X270W 38 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 2 8 ...

Page 42: ...CP X270W CP X270W 39 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 3 8 ...

Page 43: ...CP X270W CP X270W 40 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 4 8 ...

Page 44: ...CP X270W CP X270W 41 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 5 8 ...

Page 45: ...CP X270W CP X270W 42 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 6 8 ...

Page 46: ...CP X270W CP X270W 43 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 7 8 Lower Contact Lower Contact Lower Contact ...

Page 47: ...CP X270W CP X270W 44 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G PWB ass y DRIVE 8 8 ...

Page 48: ... 45 CP X270W 11 Disassembly diagram M3X8 T3X12 T3X12 T3X12 M3X12 M3X6 M3X6 M3X8 T2X5 M3X51 M3X51 14 21 27 12 29 15 11 16 7 28 M Meter screw T Tapping screw ...

Page 49: ... 46 CP X270W 20 10 5 22 23 24 25 26 18 19 3 2 1 17 13 9 8 6 4 M3X6 M3X8 M3X8 M3X8 T3X12 T3X12 T3X12 T3X12 T2X5 M3X6 M3X6 M3X6 M Meter screw T Tapping screw ...

Page 50: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Page 51: ...O PARTS NAME 1 HL01571 Remote Control Unit with laser pointer 2 EW06471 PS 2 RMU cable 3 EW06472 ADB RMU cable 4 EW06473 SERIAL RMU cable 5 EW05941 USB A B cable w core 6 HL01582 Remote Mouse Receiver Ass y 7 UK04661 Remote Control Unit Ass y No 1 2 3 4 5 6 8 EW06561 RS 232C cable Ass y When you use the PS 2 RMU cable No 2 above or the ADB RMU cable No 3 the serial RMU cable No 4 and the Remote Mo...

Page 52: ...D sub 15 pin shrink jack Projector Computer RS 232C jack D sub 9 pin RS 232C cable Communications setting 19200bps 8N1 1 Protocol Consist of header 7 bytes command data 6 bytes 2 Header BE EF 03 06 00 CRC_low CRC_hige 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 byte_3 byte_4 byte_5 Action Ty...

Page 53: ... projector setting value Decrement 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 a command sent by the projector cannot be understood by the computer When the command sent by the projector cannot...

Page 54: ...06 00 B0 D2 02 00 02 30 00 00 Menu Color Set Red BE EF 03 06 00 7F D3 01 00 03 30 00 00 Orange BE EF 03 06 00 EF D2 01 00 03 30 01 00 Green BE EF 03 06 00 1F D2 01 00 03 30 02 00 BLUE BE EF 03 06 00 8F D3 01 00 03 30 03 00 Purple BE EF 03 06 00 BF D1 01 00 03 30 04 00 Transparent BE EF 03 06 00 2F D0 01 00 03 30 05 00 Gray BE EF 03 06 00 DF D0 01 00 03 30 06 00 Get BE EF 03 06 00 4C D3 02 00 03 30...

Page 55: ...B Reset Execute BE EF 03 06 00 D0 D3 06 00 06 70 00 00 Aspect Reset Execute BE EF 03 06 00 2C D2 06 00 07 70 00 00 Video Format Reset Execute BE EF 03 06 00 38 D1 06 00 08 70 00 00 Sharpness Reset Execute BE EF 03 06 00 C4 D0 06 00 09 70 00 00 Color Reset Execute BE EF 03 06 00 80 D0 06 00 0A 70 00 00 Tint Reset Execute BE EF 03 06 00 7C D1 06 00 0B 70 00 00 Keystone Reset Execute BE EF 03 06 00 0...

Page 56: ... 06 00 3E D3 05 00 03 20 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 Color Balance R Get BE EF 03 06 00 01 D2 02 00 05 20 00 00 Increment BE EF 03 06 00 67 D2 04 00 05 20 00 00 Decrement BE EF 03 06 00 B6 D3 05 00 05 20 00 00 Color Balance B Get BE EF 03 06 00 45 D2 02 00 06 20 00 00 Inc...

Page 57: ...FE 82 05 00 03 21 00 00 Sharpness Get BE EF 03 06 00 F1 72 02 00 01 22 00 00 Increment BE EF 03 06 00 97 72 04 00 01 22 00 00 Decrement BE EF 03 06 00 46 73 05 00 01 22 00 00 Color Get BE EF 03 06 00 B5 72 02 00 02 22 00 00 Increment BE EF 03 06 00 D3 72 04 00 02 22 00 00 Decrement BE EF 03 06 00 02 73 05 00 02 22 00 00 Tint Get BE EF 03 06 00 49 73 02 00 03 22 00 00 Increment BE EF 03 06 00 2F 73...

Page 58: ... 55 CP X270W MEMO ...

Page 59: ... ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 04 72 14 29 70 Fax 04 72 14 29 99 Email france consommateur hitachi eu com HITACHI EUROPE...

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