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Hitachi CPS370W C4S3, Руководство по обслуживанию

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        SM 

0521

CPS370W

(C4S3)

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 ---------------------------------------- 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--------------------------------- 65
12.Replacement parts list ------------------------------- 67
13.RS-232C communication ---------------------------- 68

Contents 

Содержание CPS370W C4S3

Страница 1: ...ing 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 modul...

Страница 2: ... 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 300Vp 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 1 0Vp p 75 t...

Страница 3: ...utton 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...

Страница 4: ...when the mouse control function is activated Remember the POSITION VOLUME KEYSTONE BLANK ON and MENU ON functions disable the mouse control function VIDEO STANDBY ON KEYSTONE POSITION FREEZE MAGNIFY VOLUME AUTO OFF BLANK MENU SELECT RGB MUTE MENU RESET STANDBY ON Button KEYSTONE Button Button MENU Button MAGNIFY Button MAGNIFY Button MAGNIFY Button AUTO Button Battery Holder OFF VIDEO Button RGB B...

Страница 5: ...cedure 1 Use DAC P GHOST R in the Adjustment menu to adjust so that R color ghost is at a minimum Set the adjustment value to default and then raise the value When a ghost appears to the left of a vertical line reduce the value by 2 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 ...

Страница 6: ... transmitter for 5 seconds or more the confirming to MICRO reset menu will appear Adjustment procedure 1 First adjust the G color 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 center of the screen Make a note of the setting here assumed to be A lx Press...

Страница 7: ...7 Adjust Gamma 29 R and B so that the color coordinates x y at the center of the screen take on the following values x 0 270 0 001 y 0 330 0 002 18 Adjust Gamma 14 R and B so that the color coordinates x y at the center of the screen take on the following values x 0 260 0 001 y 0 300 0 002 Adjustment operations reference 93 operation 0 14 29 43 86 93 75 100 Brightness Adjustment point Input signal...

Страница 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...

Страница 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 ...

Страница 10: ...just the MIN tone for colors 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 color as measurement point No 1 Adjustment technique First adjust B of the point whose color 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: ... 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 rang...

Страница 12: ...ing E805 ESPR E801 L818 E808 E800 E302 I256 I812 ESPL E806 S201 P501 P701 P601 E803 E802 I841 I306 IV22 I102 EV01 CHV34 CHV35 CHV36 CHV33 CHV26 CHV27 CHV28 CHV29 E101 CH102 CH104 CH112 CH106 CH113 E809 S306 S307 S302 S305 S304 S303 S308 S309 E804 D302 D301 D303 ...

Страница 13: ...short or open PWB assembly Drive Lamp or Power unit ballast Short TSW Open What is the state of TEMP indicator D301 Not light DC FAN intake Lights Blinks DC FAN exhaust or PWB assembly Sensor What is the state of LAMP indicator D302 Not light Blinks 1 1 1 1 Is the LAMP connection OK Set the LAMP again Is the voltage at pin and of E809 same NO YES PWB assembly Limit SW PWB assembly Drive Is the LAM...

Страница 14: ... 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...

Страница 15: ...e PWB assembly Drive 1 1 1 1 I812 14V IV22 17V I102 6V I841 4 3V 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 IV01 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 ...

Страница 16: ...l input at each pin on the PWB assembly Drive CHV25 Audio L CHV33 Audio R Are the signals input at each pin of I306 on the PWB assembly Drive PWB assembly Signal YES PWB assembly Drive 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 Can not control to RS 232C ...

Страница 17: ...ng the PWB assembly Drive there is danger of damaging the connector connecting cables and the PWB assembly Signal 1 Disconnect 10 cables and remove 6 screws E801 E808 E302 E806 E803 E802 E809 E804 2 Lift up the rearward of the PWB assembly Drive to the front 3 Disconnect 2 cables lifting the PWB assembly Drive Wire from Speaker Speaker PWB assembly Drive Remove 6 screws PWB assembly Drive Disconne...

Страница 18: ... manual SAFETY INSTRUCTIONS and this manual Use the 3V micro lithium battery type no CR2025 only When loading the battery make sure the plus and minus terminals are correctly oriented as indicated in the remote control transmitter When you dispose the battery you must obey the law in the relative area or country Keep the battery away from children and pets When not to be used for an extended perio...

Страница 19: ...gh temperature Before replacing the lamp switch power OFF wait approximately 20 minutes and switch power ON again If the LAMP indicator is still red replace the lamp Lamp Option Lamp DT00431 Contact your dealer before replacing the lamp Before replacing the lamp switch power OFF remove the power cord from the power outlet and wait 45 minutes until the lamp has cooled The lamp may explode if handle...

Страница 20: ...result 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 pow...

Страница 21: ...r 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 high ON...

Страница 22: ...DC Video COLOR UNIFORMITY TIMING GENERATOR LEVEL SHIFTER VIDEO DECODER VPC3230Q TEMP SENSOR TEMP SENSOR PWB SEL COMP IR RECEIVER PWB Component Video RGB 1 SYNC SEPARATOR IR RECEIVER AUDIO_AMP VOLUME CONTROL RGB 2 SIGNAL SELECTOR 1st_PLL RGB A D CLAMP RGB OUT Audio Out SP SW PWB 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...

Страница 23: ... LOUT ESM1 16 RGB R 1 E101 25 LCCOM 2 LOUT 17 GND 2 26 NRS1 18 GND 3 27 NRS2 SPEAKER 19 RGB G 4 28 VSSY 20 GND 5 29 VSSY 21 GND 6 30 DY 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...

Страница 24: ...hecking 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 PWB assembly Sensor PWB assembly Sensor CNTH E950 TAP3 TSW CN1 CNPWR CN2 CNBAR When ...

Страница 25: ...the 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 ins...

Страница 26: ...positions 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 ...

Страница 27: ...e TSW Sealed 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 l...

Страница 28: ...as shown in the diagram fold it back and then pass it through the guide again TAP2 CNLC Lamp door switch cable Connect this to the PWB assembly Drive E807 Use a tape and temporarily stop the sag of CNLC on I101 of the PWB assembly Drive so that it will not be caught in while the upper case is installed Exhaust fan Connect this to the PWB assembly Drive E804 3030 TAP4 Pass the 3030 exhaust fan cabl...

Страница 29: ... be 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 ho...

Страница 30: ...30 CP S370W 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 SENSOR C4S3 PWB assembly REMOTE CONTROL C4S3 PWB assembly LIMIT SWITCH C4S3 ...

Страница 31: ...31 CP S370W 1 2 3 4 5 1 2 3 4 5 A B C D E F POWER UNIT BALLAST 1 C4S3 ...

Страница 32: ...32 CP S370W 1 2 3 4 5 1 2 3 4 5 A B C D E F POWER UNIT BALLAST 2 C4S3 ...

Страница 33: ...CP S370W 33 34 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT 1 C4S3 ...

Страница 34: ...CP S370W 35 36 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT 2 C4S3 ...

Страница 35: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 37 38 PWB assembly SIGNAL 1 C4S3 CP S370W female female female ...

Страница 36: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 39 40 CP S370W PWB assembly SIGNAL 2 C4S3 ...

Страница 37: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 41 42 PWB assemly SIGNAL 3 C4S3 CP S370W serial mouse RS232C male ...

Страница 38: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 43 44 PWB assembly DRIVE 1 C4S3 CP S370W ...

Страница 39: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 45 46 CP S370W PWB assembly DRIVE 2 C4S3 ...

Страница 40: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 47 48 PWB assembly DRIVE 3 C4S3 CP S370W ...

Страница 41: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 49 50 CP S370W PWB assembly DRIVE 4 C4S3 ...

Страница 42: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 51 52 PWB assembly DRIVE 5 C4S3 CP S370W ...

Страница 43: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 53 54 PWB assembly DRIVE 6 C4S3 CP S370W ...

Страница 44: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 55 56 CP S370W PWB assembly DRIVE 7 C4S3 ...

Страница 45: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 57 58 PWB assembly DRIVE 8 C4S3 CP S370W ...

Страница 46: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 59 60 PWB assembly DRIVE 9 C4S3 CP S370W ...

Страница 47: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 61 62 PWB assembly DRIVE 10 C4S3 CP S370W ...

Страница 48: ...CP S370W 63 64 MEMO MEMO ...

Страница 49: ...65 CP S370W 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 ...

Страница 50: ...66 CP S370W 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 ...

Страница 51: ... FOOT 7 PE00111 RUBBER FOOT 28 UX07817 LCD LENS PRISM ASS Y 8 PH09273 FILTER COVER ASS Y 29 CK31602R EL4332CS 9 MU01421 AIR FILTER ASS Y 10 PC04833 CONTROL BUTTON ASS Y PV00281 HANDLE 11 UE09591 DICHROIC OPTICS UNIT EV00881 POWER SUPPLY CORD UL CSA TYPE W CORE 12 JP05372 PWB ASS Y DRIVE EV00861 POWER SUPPLY CORD UK TYPE W CORE 13 JP05102 PWB ASS Y SIGNAL EV00891 POWER SUPPLY CORD CONTINENTAL TYPE ...

Страница 52: ...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...

Страница 53: ...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...

Страница 54: ...2 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 00 00 Startup Set ...

Страница 55: ...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_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 E...

Страница 56: ... 03 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 0...

Страница 57: ...crement 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...

Страница 58: ...01 00 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...

Страница 59: ...75 CP S370W MEMO ...

Страница 60: ...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 SM 0521 February 2002 ...

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