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YK

No.0520E

CP-X430W

(C7X)

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

 

Multimedia LCD Projector

February 2002

   Digital Media Systems Division

SERVICE MANUAL

Be  sure  to  read  this  manual  before  servicing.   To  assure  safety  from  fire,  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

 

1. When replace the lamp, to avoid burns to your fingers.  The lamp becomes too hot.
2. Never touch 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 (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 to 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 specified.

Service Warning

  

1.  Features --------------------------------------------------- 2
2.  Specifications--------------------------------------------- 2
3.  Names of each part ------------------------------------- 3
4.  Adjustment ------------------------------------------------ 5
5.  Troubleshooting ---------------------------------------- 11
6.  Service points ------------------------------------------ 16
7.  Block diagram ------------------------------------------ 23

8.  Connector connection diagram -------------------- 24
9.  Wiring diagram ----------------------------------------- 25
10.Basic circuit diagram---------------------------------- 30
11.Disassembly diagram--------------------------------- 63
12.Replacement parts list ------------------------------- 65
13.RS-232C communication ---------------------------- 66

Contents 

Summary of Contents for CP-X430W

Page 1: ...thing 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 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 to the LCD module assembly do not hold the FPC of the LCD mod...

Page 2: ...ve 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 NTSC NTSC4 43 PAL BGDHI SECAM PAL M PAL N PAL60 200mVrms 50k max 3 0Vp p RCA jack 1 0Vp p 75 terminator RCA ...

Page 3: ...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 DVI Terminal RGB IN 1 Termi...

Page 4: ...on Used to click the right mouse button FREEZE Button MUTE Button PinP Button KEYSTONE Button VOLUME Button 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 place of a finger or rod Never look directly into the laser beam o...

Page 5: ...ine reduce the value by 3 steps 2 In the same way use DAC P GHOST G in the Adjustment menu to adjust so that G color ghost is at a minimum 3 In the same way use DAC P GHOST B in the Adjustment menu to adjust so that B color ghost is at a minimum 4 4 2 Setting of condition before adjustment 1 Before starting adjustment warm up the projector for about 10 minutes Blank white 2 Set Zoom Wide to Max An...

Page 6: ...ndow pattern 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 center of the screen is less than the flicker at the periphery When the flicker is about the same across the whole screen adjust so tha...

Page 7: ...yscale 3 Adjust GAMMA SUB CONTRAST and G in the Adjust menu so that brightness of 28 steps is best 4 Don t adjust GAMMA SUB BRIGHT and G in the Adjust menu Because we want to keep the best contrast ratio 5 Then adjust colors R and B 6 Select GAMMA SUB CONTRAST and G in the Adjust menu If the background is white solid press the MENU SELECT key on the Remote control trasmitter to change to W monochr...

Page 8: ...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 menu and press the key 7 Although this adjustment can also be made using internal sign...

Page 9: ...2 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 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...

Page 10: ...st 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 1...

Page 11: ...02 ESPL E806 E805 10 1 11 20 1 3 2 L818 Q801 C E302 I256 ESPR E800 E811 E808 E809 S302 S303 D302 D301 D303 S307 S308 S304 S305 S306 CH106 CH104 CH102 CH113 EG03 CH112 S309 E807 E101 E804 I102 CHV33 EV01 CHV34 CHV36 CHV35 CHV22 CHV23 CHV26 CHV27 CHV28 CHV29 E801 P502 P702 P602 ...

Page 12: ... open PWB assembly Drive Lamp or Power unit ballast Short TSW Open What is the state of TEMP indicator D301 Not light DC FAN for LCD panel Lights Lights Blinks DC FAN exhaust or PWB assembly Sensor What is the state of LAMP indicator D302 Not light Blinks 1 4 6 12 Is the LAMP connection OK Set the LAMP again Is the voltage at pin and of E807 same NO YES PWB assembly Limit SW PWB assembly Drive Is ...

Page 13: ... assembly Drive Connect E302 for PWB assembly Sensor NO L 0V L 0V YES Is the voltage at collector of Q801 on the PWB assembly Drive fixed to L during warming up L 0V Is E302 PWB assembly Sensor surely connected with PWB assembly Drive by the cable DC FAN H 3 3V Measure sure voltage at the of I256 on the PWB assembly Drive PWB assembly Sensor Infinity about 10k Measure the resistance of TH950 on th...

Page 14: ... PWB assembly Drive 16 5V 15V 4V 6V E800 E800 E800 E800 1 4 6 12 Power unit circuit NO YES Are voltage input at each pin on the PWB assembly Drive PWB assembly Drive LCD module assembly Are signal input at these pins of EV01 on the PWB assembly Drive Measure the voltage at pin of I102 on the PWB assembly Drive NO YES 0V 5V PWB assembly Drive PWB assembly Signal Check at operating mode CHV29 VIDEO ...

Page 15: ...nput at each pin on the PWB assembly Drive CHV26 Audio L CHV33 Audio R Are the signals input at each pin of EV01 on the PWB assembly Drive PWB assembly Signal YES PWB assembly Drive NO CHV22 RX CHV23 TX Pin No RS 232C 1 2 3 6 7 9 10 12 13 14 SEL0 RTS GND RDP TDP Check at operating mode Can not control to RS 232C ...

Page 16: ...assembly Drive there is a danger of damaging the connectors connecting cables and the PWB assembly Signal 1 Disconnect 15 cables including 3 flat cables and remove 6 screws E803 E801 E802 E806 E805 E302 P702 P502 P602 E800 E811 E808 E809 E804 E807 2 Lift up the PWB assembly Drive Remove these 5 screws PWB assembly Drive Disconnect the 2 board to board connectors FRONT Lift up REAR PWB assembly Dri...

Page 17: ...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 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...

Page 18: ...tch power ON again If the LAMP indicator is still red replace the lamp Lamp Option Lamp DT00471 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 temperatures Loading the Batteries Install the AA batteries into the remote control transmitter 1 Remove the battery ...

Page 19: ...t 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 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 Switc...

Page 20: ...WILL TURN OFF AFTER hr 1 The usage time of lamp will be reaching 2000 hr shortly It is recommended to replace the lamp within hours 2 It might be happened that the lamp is cut off before hr by any chance Power will be switched OFF automatically in hours Replace the lamp as shown in P 19 20 Lamp Always reset the lamp timer after replacing the lamp CHANGE THE LAMP AFTER REPLACING LAMP RESET THE LAMP...

Page 21: ...f Lamp or lamp cover is not found or hasn t been fitted in correctly Switch power OFF and wait for 45 minutes until the equipment cools Check fitting of the lamp and lamp cover and switch power ON again Blinks Lights red Turns off Blinks red The cooling fan is not operating Switch power OFF and wait for 20 minutes until the equipment cools Check for foreign matters in the fan and switch power ON a...

Page 22: ...ss the button first then press the button RESET together with and hold for 3 seconds 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 A proper signal is input 2 Select the HIGH on the OSD using the ...

Page 23: ...OR L3E07050 LEVEL SHIFTER VIDEO DECODER VPC3230Q TEMP SENSOR TEMP SENSOR SEL COMP Component Video S H IR RECEIVER AUDIO_AMP VOLUME CONTROL RGB 1 RGB 2 A D PLL CXA3506 1st_PLL RGB A D CLAMP RGB out Audio Out SP SW PWB DC POWER REGULATOR Image_PROCESSOR PW365 10U MOUSE CTL USB RS 232C CTL DAC P S ext I O DVI TMDS RECEIVER SiI161B SYNC SEPARATOR CXA2151Q FAN IR RECEIVER REMC PWB SIGNAL PWB SIGNAL SEL...

Page 24: ...VSIG6 2 LOUT 17 GND 2 26 VSIG5 18 GND 3 27 VSIG4 SPEAKER 19 RGB G 4 28 VSIG3 20 GND 5 29 21 GND 6 30 VSIG1 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 assembly 2 5VST 17 SW CONTROL 3 5VST 18 4 R1 R2 19 E804 5 RGB V INV 20 1 FAN4S 6 RGB H INV 21 2 ...

Page 25: ...ard holder leaving no slack in cables Cable slack may touch primary power circuit CN2 Before connecting CNBAR to CN2 connector ensure that it is inserted to the end Attach so that hole for securing SK Binder on FEB3 comes to connector side as in diagram CN1 After connecting CNPWR to CN1 connector ensure to securely lock it Put light lead through a notch of ballast holder Pull light lead toward out...

Page 26: ...t lead White coating of light lead Ensure that black coating of light lead is completely within connector If not and when white coating appears even slightly slide the black coating into connector as shown Double coatings are needed for safety Wiring when after putting ballast board on power board Clamp CNPW1 and CNPW2 cables at 2 points Right view of power board block 3 Power board block wiring F...

Page 27: ...ust fan Top View Side View CNRM Connect CNRM cable to RC board Clamp TSW 3050 and 3054 with PAS3 as in diagram PAS3 CNBAR CNTH 2 Wiring when mounting power block and optical unit on bottom case Connect light lead to lamp house connector Attach FEB2 without SK binder to light lead caring not to cover the screw hole shown Upper case should not contact lib To prevent CNBAR from nearing input side of ...

Page 28: ... fan E802 Connect to blue panel fan E801 back Connect to thermistor cable E302 Connect to ballast control cable E805 back E807 P502 P602 P702 Connect flexible cable for panel to flexible connector R to P501 G to P601 B to P701 Connect to E800 and E811 at the back of circuit power cable 1358 Clamp 4 cables with 1358 as shown 3054 Connect to exhaust fan E809 CNLC Connect to light door switch cable E...

Page 29: ...eware not to catch cables with front bezel when attaching it Attach A84 to upper case according to assembly drawing Upper case A84 A83 ESPL ESPR Beware not to catch cables with upper case when attaching it Hold upper case when you connect or disconnect cables so that stress may not be applied to cables After cable connection attach upper case while pushing surplus A83 cable into case Beware not to...

Page 30: ...30 CP X430W 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 PWB assembly LIMIT SWITCH C7X PWB assembly SENSOR C7X PWB assembly REMOTE CONTROL C7X ...

Page 31: ...CP x430W 31 32 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT BALLAST C7X ...

Page 32: ...CP x430W 33 34 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT C7X Out put connector ...

Page 33: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly SIGNAL 1 C7X female female female 35 36 ...

Page 34: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly SIGNAL 2 C7X 37 38 ...

Page 35: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W male mouse serial RS232C PWB assembly SIGNAL 3 C7X 39 40 ...

Page 36: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W parallel serial PWB assembly DRIVE 1 C7X 41 42 ...

Page 37: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 2 C7X 43 44 ...

Page 38: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 3 C7X 45 46 ...

Page 39: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 4 C7X 47 48 ...

Page 40: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 5 C7X 49 50 ...

Page 41: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 6 C7X 51 52 ...

Page 42: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 7 C7X 53 54 ...

Page 43: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 8 C7X 55 56 ...

Page 44: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 9 C7X 57 58 ...

Page 45: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 10 C7X 59 60 ...

Page 46: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 CP X430W PWB assembly DRIVE 11 C7X 61 62 ...

Page 47: ...63 CP X430W 11 Disassembly diagram 2 1 2 3 8 10 11 13 11 12 9 4 6 5 7 ...

Page 48: ...64 CP X430W 14 15 17 19 26 27 28 29 30 18 19 20 21 22 25 24 23 16 ...

Page 49: ...EL4332CS 7 QD33881 FRONT BEZEL ASS Y 29 JP05394 PWB ASS Y LIMIT SWITCH 8 GS00752 DC FAN LAMP 30 QD33861 BOTTOM CASE ASS Y 9 PH31361 FILTER COVER 10 NJ06131 AIR FILTER ASS Y 11 QJ01061 FRONT FOOT ASS Y EV00861 POWER SUPPLY CORD UK TYPE W CORE 12 PE00113 RUBBER FOOT EV00881 POWER SUPPLY CORD UL CSA TYPE W CORE 13 PH31691 LAMP DOOR ASS Y EV00891 POWER SUPPLY CORD EUROPE TYPE W CORE 14 PC05461 CONTROL...

Page 50: ...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 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 Incre...

Page 51: ...the 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 can...

Page 52: ... EF 03 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 0...

Page 53: ...6 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 Keystone_H Reset Execute BE EF 03 06 00 98 D8 06 00 20 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...

Page 54: ... 00 00 Keystone_H Get BE EF 03 06 00 E9 D0 02 00 0B 20 00 00 Increment BE EF 03 06 00 8F D0 04 00 0B 20 00 00 Decrement BE EF 03 06 00 5E D1 05 00 0B 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 E...

Page 55: ...08 00 N PAL BE EF 03 06 00 0E 71 01 00 00 22 07 00 Get BE EF 03 06 00 0D 73 02 00 00 22 00 00 HDTV Set 1080i BE EF 03 06 00 F2 73 01 00 05 22 00 00 1035i BE EF 03 06 00 62 72 01 00 05 22 01 00 Get BE EF 03 06 00 C1 73 02 00 05 22 00 00 PinP Size Set off BE EF 03 06 00 FE 22 01 00 00 23 00 00 Large BE EF 03 06 00 6E 23 01 00 00 23 01 00 Small BE EF 03 06 00 9E 23 01 00 00 23 02 00 Get BE EF 03 06 0...

Page 56: ... 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 IR Remote Front Set off BE EF 03 06 00 FF 32 01 00 00 26 00 00 on BE EF 03 06 00 6F 33 01 00 00 26 01 00 Get BE EF 03 06 00 CC 32 02 00 00 26 00 00 IR Remote Rear Set off BE EF 03 06 00 03 33 01 00 01 26 00 00 on BE EF 03 06 00 93 32 01 00 01 26 01 00 Get BE EF 03 06 00 30 33 02 00...

Page 57: ...73 CP X430W MEMO ...

Page 58: ...CP X430W YK No 0520E Digtal Media System Division QR51101 Printed in Japan S ...

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