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0519

CPX380W

(C4X3)

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Multimedia LCD Projector

December 2001

Digital Media Systems Division

SERVICE MANUAL

Be sure to read this manual before servicing. To assure safety from fi re, electric shock, injury, harmful

radiation and materials, various measures are provided in this Hitachi Multimedia LCD Projector. Be sure to

read cautionary items described in the manual to maintain safety before servicing.

Caution

When replacing the lamp, avoid burns to your fi ngers, the lamp becomes very hot.

. Never touch the lamp bulb with a fi nger or anything else.

2. 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 (main), when turn 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, do not hold

the FPC of the LCD module assembly.

6. Use the cables which are included with the projector or specifi ed.

ServiceWarning

1. Features --------------------------------------------------- 2

2. Specifi cations--------------------------------------------- 2

3. Names of each part ------------------------------------- 3

4. Adjustment ------------------------------------------------ 5

5. Troubleshooting ---------------------------------------- 12

6. Service points ------------------------------------------ 17

7. Block diagram ------------------------------------------ 22

8. Connector connection diagram -------------------- 23

9. Wiring diagram ----------------------------------------- 24

10.Basic circuit diagram---------------------------------- 30

11.Disassembly diagram--------------------------------- 48

12.Replacement parts list ------------------------------- 50

13.RS-232C communication ---------------------------- 51

Contents

PJ750-2

(C4X3)

Содержание CP-X380W

Страница 1: ...e 2 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 main when turn 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 do not hold the FPC of the LCD module assemb...

Страница 2: ...o Analog 0 7Vp p 75 output impedance positive H V sync TTL level positive negative Composite sync TTL level D sub 15 pin shrink jack Brightness signal 1 0Vp p 75 terminator Color signal 0 286Vp p NTSC burst signal 75 terminator 0 3Vp p PAL SECAM burst signal 75 terminator Mini DIN 4 pin jack 200mVrms 47k max 3 0Vp p Stereo mini jack 200mVrms 50k max 3 0Vp p RCA jack 1 0Vp p 75 terminator RCA jack ...

Страница 3: ...n LAMP Indicator TEMP Indicator POWER Indicator RESET Button MENU Button Ventilation Openings exhaust REAR RIGHT VIEW OF THE PROJECTOR Terminal Panel Refer below TERMINAL PANEL S VIDEO Terminal COMPONENT VIDEO Y Terminal CB PB Terminal CR PR Terminal VIDEO IN Terminal AUDIO IN R Terminal AUDIO IN L Terminal AUDIO IN 1 Terminal AUDIO IN 2 Terminal AUDIO OUT Terminal Remote Control Sensor RGB IN 1 T...

Страница 4: ...or place it on any wet object Do not place the remote control transmitter close to the cooling fan of the projector Do not disassemble the remote control transmitter NOTE These functions works when the mouse control function is activated Remember the POSITION BLANK ON and MENU ON functions disable the mouse control function WARNING The laser pointer of the remote control transmitter is used in pla...

Страница 5: ... that B colour ghost is at a minimum 4 3 Flicker adjustment V COM adjustment Signals for internal adjustment Adjustment procedure 1 Make this adjustment after completing the adjustment in 4 2 Ghost adjustment 2 Use DAC P V COM R in the Adjustment menu to adjust so that the flicker at the centre of the screen is less than the flicker at the periphery When the flicker is about the same across the wh...

Страница 6: ...ansmitter for 5 seconds or more the confirming to MICRO reset menu will appear Adjustment procedure 1 First adjust the G colour 2 BRIGHT and CONTRAST set to MAX in the Setup menu 3 Place the cursor on Slide Show in the Adjustment menu A D press the key three times to display G monochrome and adjust the luminance at the centre of the screen Make a note of the setting here assumed to be A lx Press t...

Страница 7: ...0 282 0 001 y 0 320 0 002 18 Adjust Gamma 14 R and B so that the colour coordinates x y at the centre of the screen take on the following values x 0 270 0 001 y 0 290 0 002 Adjustment operations reference 93 operation 0 14 29 43 86 93 75 100 Brightness Adjustment point Input signal 86 operation 0 14 29 43 86 93 75 100 Brightness Adjustment point Input signal 75 operation 0 14 29 43 86 93 75 100 Br...

Страница 8: ...ts 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 menu and press the key 7 Although this adjustment can also be made using internal signals ...

Страница 9: ... 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 colour coordinates starting 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 4...

Страница 10: ...t the MIN tone for colours R and B 6 View measurement points No 2 No 3 No 10 and No 11 Adjust the R and B of each measurement point so that they have the same colour as measurement point No 1 Adjustment technique First adjust B of the point whose colour is to be adjusted so that it approximates that of No 1 If R is low at this time the image will have cyan cast in which case R is increased On the ...

Страница 11: ...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 range No...

Страница 12: ...ESPR E801 L818 E808 E800 E302 I256 I812 ESPL E806 S201 P502 P702 P602 E803 E802 I841 I306 IV22 I102 EV01 CHV34 CHV35 CHV36 CHV33 CHV26 CHV27 CHV28 CHV29 E101 CH102 CH104 CH112 CH106 CH113 E807 S306 S307 S302 S305 S304 S303 S308 S309 E804 D302 D301 D303 PJ750 2 DRIVE PCB ...

Страница 13: ...d check TSW short or open Drive PCB Lamp or Power Unit Ballast Short TSW Open What is the state of TEMP indicator D301 No light DC FAN intake Lights Blinks DC FAN exhaust or Sensor PCB What is the state of LAMP indicator D302 No light Blinks 1 1 1 1 Is the LAMP connected OK Set the LAMP again Are the voltages at pin and of E807 the same NO YES Limit SW PCB Drive PCB Is the LAMP COVER set OK Set th...

Страница 14: ...cator D301 No light Blinks Drive PCB Connect E302 Sensor PCB NO L 0V L 0V YES Is the voltage at collector of Q801 on the Drive PCB fixed to L during warming up L 0V Is E302 Sensor PCB securely connected to Drive PCB by the cable DC FAN H 3 3V Measure voltage at the of I256 on the Drive PCB Sensor PCB Infinity about 10k Measure the resistance of TH950 on the Sensor PCB with disconnected E302 Is the...

Страница 15: ...pin listed on the Drive PCB 1 1 1 1 I812 14V IV22 17V I102 6V I841 4 3V Power Unit Circuit NO YES Are these voltages present at each pin listed on the Drive PCB Drive PCB LCD module Are signals present at each pin listed on IV01 of the the Drive PCB Measure the voltage at pin of I102 on the Drive PCB NO YES 0V 5V Drive PCB Signal PCB Check at operating mode CHV29 VIDEO Composite CHV28 S VIDEO Y CH...

Страница 16: ...ls present at each pins on the Drive PCB CHV25 Audio L CHV33 Audio R Are these signals present at the following pins of I306 on the Drive PCB Signal PCB YES Drive PCB NO RX TX Pin No RS 232C 1 2 3 6 7 9 10 12 13 14 SEL0 RTS GND RDP TDP Check at operating mode 9 13 Cannot control to RS 232C PJ750 2 ...

Страница 17: ...When removing the Drive PCB there is danger of damaging the connector connecting cables and the Signal PCB 1 Disconnect 10 cables and remove 6 screws E801 E808 E302 E806 E803 E802 E807 E804 2 Lift the rear part of the Drive PCB to the front 3 Disconnect 2 cables lifting the Drive PCB Remove 6 screws Drive PCB Disconnect the 2 board to board connector FRONT Lift up REAR Disconnect 2 cables Drive PC...

Страница 18: ...d below at intervals of approximately 300 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 Replacing the Air filter Replace the air filter if contamination cannot be removed or if it is damaged 1 Remove the filter cover 2 Remove the old filter 3 Set the new filter and filter cover CAUTION Switch power OFF and...

Страница 19: ... wait approximately 20 minutes and switch power ON again If the LAMP indicator is still red replace the lamp Lamp Option Lamp DT00431 CP X380W DT00432 PJ750 2 Contact your dealer before replacing the lamp Before replacing the lamp switch power OFF remove the power cord from the power outlet and wait approximately 45 minutes until the lamp has cooled The lamp may explode if handled at high temperat...

Страница 20: ...ult in injury or accidents Do not 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 THE POWER WILL TURN OFF AFTER 0 Hr 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 ...

Страница 21: ...ojector it cannot be displayed Please remove the obstruction before the suction port When inside temperature becomes high to protect the projector the lamp may be turned off and the lamp indicator lights red or the projector will be shut down and the all indicator display goes off Lamp is not inserted or Lamp cover is open Securely insert the lamp or shut the lamp door Inside temperature becomes h...

Страница 22: ...eo COLOUR UNIFORMITY TIMING GENERATOR LEVEL SHIFTER VIDEO DECODER VPC3230Q TEMP SENSOR TEMP SENSOR PCB SEL COMP IR RECEIVER PCB Component Video RGB S H SYNC SEPARATOR IR RECEIVER AUDIO_AMP VOLUME CONTROL RGB 2 SIGNAL SELECTOR 1st_PLL RGB A D CLAMP RGB OUT Audio Out SP SW PCB MOUSE CTL USB RS 232C CTL EXT I O 2nd_PLL micon_PLL FAN FAN PW164 10RK Image_PROCESSOR DAC P S DAC P S DC POWER REGULATOR CX...

Страница 23: ... VID11 ESPL 1 LOUT ESM1 16 RGB R 1 E101 25 VID12 2 LOUT 17 GND 2 26 NRS 18 GND 3 27 LCCOM SPEAKER 19 RGB G 4 28 DY 20 GND 5 29 DIRY 21 GND 6 30 VSSY ESPR 22 RGB B 7 1 ROUT 23 GND 8 2 ROUT RGB1 IN 24 GND 9 25 RGB H INV 10 SPEAKER 26 RGB V INV 11 RGB2 IN 27 R1 R2 12 E941 28 5VST 13 E807 29 5VST 14 1 OUT 1 RGB OUT 30 GND 15 2 COVER 2 1 GND 16 PWB ass y 2 5VST 17 SW CONTROL 3 5VST 18 4 R1 R2 19 E804 5...

Страница 24: ...ing connection of E950 connector so that it will not come off CNPOW CNTH When connecting the CNPWR connector to the CN1 connector make sure they are completely locked Let the CNPOW and TSW cables cross each other so that the TSW will not approach the primary side power circuit Connect CNTH to E950 connector of Sensor PCB Sensor PCB CNTH E950 TAP3 TSW CN1 CNPWR CN2 CNBAR When connecting the CNBAR t...

Страница 25: ...lead ride on the igniter box Because if it rides on the box it becomes impossible to install the ballast cover After mounting the ballast cover Black cover on lamp lead Shift the black cover of the lamp lead Check that the black cover of a lamp lead is securely inserted into the connector If even a trivial portion of the white cover is visible inside in a state where the black cover is not inserte...

Страница 26: ... to mount optical units as shown in the diagram so that the cables will not be caught in when optical units are mounted Do not let the TSW cable sag down so that it will not approach the primary power side Pass through the ballast cover guide after clamping the TSW cable as shown in the diagram PJ750 2 ...

Страница 27: ...model number Check the sealed model number Model 90AR1U1N Install it so that the sealed model number comes under It becomes invisible after installation Clamp the TSW cable with the 3078 wiring stopper as shown in the diagram 3078 TSW Check that the black cover of a lamp lead is securely inserted into the connector as shown in the diagram on the right Check that the black cover of a lamp lead is s...

Страница 28: ...t back and then pass it through the guide again TAP2 CNLC Lamp door switch cable Connect this to the Drive board E807 Use a tape and temporarily stop the sag of CNLC on I101 of the Drive PCB so that it will not be caught in while the upper case is installed Exhaust fan Connect this to the Drive board E804 3030 TAP4 Pass the 3030 exhaust fan cable and the TSN cable through a notch lower part of the...

Страница 29: ... performed in accordance with an assembly drawing Be careful not to get the cable caught in while installing the upper case ESPL When installing the front bezel exercise utmost caution not to get the cable caught in Installing the A83 cable on the upper case and affixing of the TAP1 are to be performed in accordance with an assembly drawing Upper case To disconnect or remove the cable firmly hold ...

Страница 30: ...30 CP X380W 10 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 LIMIT SWITCH PCB C4X3 REMOTE CONTROL PCB C4X3 SENSOR PCB C4X3 PJ750 2 ...

Страница 31: ...31 CP X380W 1 2 3 4 5 1 2 3 4 5 A B C D E F POWER UNIT BALLAST 1 C4X3 PJ750 2 ...

Страница 32: ...32 CP X380W 1 2 3 4 5 1 2 3 4 5 A B C D E F POWER UNIT BALLAST 2 C4X3 PJ750 2 ...

Страница 33: ...CP X380W 33 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT 1 C4X3 PJ750 2 ...

Страница 34: ...CP X380W 34 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT 2 C4X3 PJ750 2 ...

Страница 35: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 SIGNAL PCB 1 C4X3 CP X380W 35 PJ750 2 ...

Страница 36: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X380W SIGNAL PCB 2 C4X3 36 PJ750 2 ...

Страница 37: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 SIGNAL PCB 3 C4X3 CP X380W 37 PJ750 2 ...

Страница 38: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 1 C4X3 CP X380W 38 PJ750 2 ...

Страница 39: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 2 C4X3 CP X380W 39 PJ750 2 ...

Страница 40: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X380W DRIVE PCB 3 C4X3 40 PJ750 2 ...

Страница 41: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 4 C4X3 CP X380W 41 PJ750 2 ...

Страница 42: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 5 C4X3 CP X380W 42 PJ750 2 ...

Страница 43: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 6 C4X3 CP X380W 43 PJ750 2 ...

Страница 44: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 7 C4X3 CP X380W 44 PJ750 2 ...

Страница 45: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 8 C4X3 CP X380W 45 PJ750 2 ...

Страница 46: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 9 C4X3 CP X380W 46 PJ750 2 ...

Страница 47: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 DRIVE PCB 10 C4X3 CP X380W 47 PJ750 2 ...

Страница 48: ...48 CP X380W 11 Disassembly Diagram M Meter screw T Tapping screw 5 1 2 6 8 9 7 3 25 20 22 25 T3X12 T3X12 M3X8 M3X65 M3X6 M3X6 M3X65 PJ750 2 ...

Страница 49: ...49 CP X380W M Meter screw T Tapping screw T2X5 10 17 23 21 15 3 27 4 18 19 16 13 12 26 14 11 24 21 28 M3X8 M3X8 M3X8 M3X8 M3X8 M3X8 M3X25 M3X10 T3X12 T3X12 T3X12 T3X12 T3X10 T3X12 T3X12 29 PJ750 2 ...

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

Страница 51: ...F 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 Action low high byte_2 byte_3 Type low high byte_4 byte_5 Setting code low high Action Classification Content Action byte_0 1 1 SET Change setting to desired value 2 GET Read projector internal setup value 4 INCREMENT Increment...

Страница 52: ...rojector 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 b...

Страница 53: ... 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 00 00 Startup Set Turn...

Страница 54: ...0 06 00 0A 70 00 00 Tint Reset Execute BE EF 03 06 00 7C D1 06 00 0B 70 00 00 Keystone_V Reset Execute BE EF 03 06 00 08 D0 06 00 0C 70 00 00 Auto Execute BE EF 03 06 00 91 D0 06 00 0A 20 00 00 Blank on off Set off BE EF 03 06 00 FB D8 01 00 20 30 00 00 on BE EF 03 06 00 6B D9 01 00 20 30 01 00 Get BE EF 03 06 00 C8 D8 02 00 20 30 00 00 Error Status Get BE EF 03 06 00 D9 D8 02 00 20 60 00 00 Examp...

Страница 55: ...06 00 DF D3 04 00 07 20 00 00 Decrement BE EF 03 06 00 0E D2 05 00 07 20 00 00 Aspect Set 4 3 Full BE EF 03 06 00 9E D0 01 00 08 20 00 00 16 9 BE EF 03 06 00 0E D1 01 00 08 20 01 00 Small BE EF 03 06 00 FE D1 01 00 08 20 02 00 Get BE EF 03 06 00 AD D0 02 00 08 20 00 00 Display Position at 16 9 or Small Set Default BE EF 03 06 00 62 D1 01 00 09 20 00 00 Bottom BE EF 03 06 00 F2 D0 01 00 09 20 01 00...

Страница 56: ...ent BE EF 03 06 00 2F 73 04 00 03 22 00 00 Decrement BE EF 03 06 00 FE 72 05 00 03 22 00 00 Video Format Set Auto BE EF 03 06 00 9E 75 01 00 00 22 0A 00 NTSC BE EF 03 06 00 FE 71 01 00 00 22 04 00 PAL BE EF 03 06 00 6E 70 01 00 00 22 05 00 SECAM BE EF 03 06 00 6E 75 01 00 00 22 09 00 NTSC 4 43 BE EF 03 06 00 5E 72 01 00 00 22 02 00 M PAL BE EF 03 06 00 FE 74 01 00 00 22 08 00 N PAL BE EF 03 06 00 ...

Страница 57: ...0 00 33 00 00 WHISPER BE EF 03 06 00 AB 22 01 00 00 33 01 00 Get BE EF 03 06 00 08 23 02 00 00 33 00 00 GAMMA Set NORMAL BE EF 03 06 00 C7 F0 01 00 A1 30 00 00 CINEMA BE EF 03 06 00 57 F1 01 00 A1 30 01 00 DYNAMIC BE EF 03 06 00 A7 F1 01 00 A1 30 02 00 Get BE EF 03 06 00 F4 F0 02 00 A1 30 00 00 COLOR TEMP Set NORMAL BE EF 03 06 00 FB F5 01 00 B0 30 00 00 LOW BE EF 03 06 00 6B F4 01 00 B0 30 01 00 ...

Страница 58: ...58 CP X380W MEMO PJ750 2 ...

Страница 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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