Hitachi CP-S420WA Service Manual Download Page 35 | Manualshive

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34

CP-S420WA(C7S2) / CP-X430WA(C7X2)

35

CP-S420WA(C7S2) / CP-X430WA(C7X2)

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Summary of Contents for CP-S420WA

Page 1: ... 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 LENS 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 1 Features 2 2 Specifications 2 3 Names of each part 3 4 Adjustment 5 5 Troubleshooting 12 6 Service points 17 7 Wir...

Page 2: ...atures High brightness High resolution Compact size light weight for portability RS 232C Communication Auto adjustment function 2 Specifications Vertical Horizontal keystone function P in P function My screen function User start up screen ...

Page 3: ...3 CP S420WA C7S2 CP X430WA C7X2 3 Names of each part Parts names AUDIO IN AUDIO IN CR PR COMPONENT VIDEO RGB IN RGB OUT CONTROL 1 2 DVI CB PB Y R AUDIO OUT USB 1 2 L VIDEO IN S VIDEO IN CP X430WA only ...

Page 4: ...4 CP S420WA C7S2 CP X430WA C7X2 Remote control transmitter ...

Page 5: ...ustment 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 And project an image with more than 1m 40 inches in diagonal size 3 Normalizing ...

Page 6: ...nt menu to adjust the B color flicker 4 4 NRSH adjustment vertical stripe adjustment Signals for internal adjustment Adjustment procedure 1 Make this adjustment after completing the adjustment in 4 3 Flicker adjustment 2 Use DAC P NRSH R in the Adjustment menu to adjust so that the vertical lines spaced every 6 dots are as inconspicuous as possible Reduce the adjustment value when black stripes ap...

Page 7: ...28 tone grayscale 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 t...

Page 8: ... 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 we will her...

Page 9: ...adjust No 2 R and B so that the coordinates are as follows x x1 0 005 y y1 0 005 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...

Page 10: ...1 5 Now adjust 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 increas...

Page 11: ...ion range No 11 deviation range No 4 deviation range No 12 deviation range No 5 deviation range No 13 deviation range No 6 deviation range No 7 deviation range No 8 deviation range No 9 deviation range No 14 deviation range No 15 deviation range No 16 deviation range No 17 deviation range ...

Page 12: ...12 CP S420WA C7S2 CP X430WA C7X2 5 Troubleshooting Check points at trouble shooting EG03 CP X430WA only ...

Page 13: ...13 CP S420WA C7S2 CP X430WA C7X2 ...

Page 14: ...14 CP S420WA C7S2 CP X430WA C7X2 ...

Page 15: ...15 CP S420WA C7S2 CP X430WA C7X2 ...

Page 16: ...16 CP S420WA C7S2 CP X430WA C7X2 ...

Page 17: ...ons Precautions when using leaded solder Remove all lead free solder from soldered joints when replacing components If leaded solder should be added to existing lead free joints mix in the leaded 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 tempe...

Page 18: ...e PWB assembly Drive When removing the PWB 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 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 Drive Wire from Speaker Speaker PWB...

Page 19: ... 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 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 CAUTI...

Page 20: ...re lamps are classified as a separate collection and so be sure to use caution Never use the lamp in a state where the lamp cover is removed HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE Lamp Life Projector lamps have a finite life The image will become darker and hues will become weaker after a lamp has been used for a long period of time Replace the lamp if the LAMP indicator is red or the CHANGE ...

Page 21: ...y may 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 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 minu...

Page 22: ...22 CP S420WA C7S2 CP X430WA C7X2 6 8 OSD Message The messages as described below may appear on the screen at power ON Take the appropriate measures when such messages appears ...

Page 23: ...23 CP S420WA C7S2 CP X430WA C7X2 6 9 Indicators Message The POWER indicator LAMP indicator and TEMP indicator are lit and blank as follows Take the appropriate measures ...

Page 24: ...Continue press 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 OPTION 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...

Page 25: ...25 CP S420WA C7S2 CP X430WA C7X2 7 Wiring diagram C7S2 C7X2 Chassis Wiring diagram 1 ...

Page 26: ...26 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 2 ...

Page 27: ...27 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 3 ...

Page 28: ...28 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 4 ...

Page 29: ...29 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 5 ...

Page 30: ...30 CP S420WA C7S2 CP X430WA C7X2 8 Disassembly diagram ...

Page 31: ...31 CP S420WA C7S2 CP X430WA C7X2 ...

Page 32: ...NS PRISM ASS Y 21 PH31321 LENS CAP 22 HA01061 POWER UNIT BALLAST NX05741 CLEANING TOOL FOR DUST 23 JP05395 PWB ASS Y SENSOR NX05742 COTTON STICK L70 24 2722448 FUSE 25 HA01051 POWER UNIT CIRCUIT SYMBOL PARTS SYMBOL PARTS NO NO DESCRIPTION NO NO DESCRIPTION 1 QD34651 UPPER CASE ASS Y 26 JP07318 PWB ASS Y REMOTE CONTROL 2 GK00655 SPEAKER 27 JP05392 PWB ASS Y SIGNAL 3 GS00505 DC FAN EXHAUST OUTSIDE 2...

Page 33: ... the computer has started up turn on the projector power supply Control jack D sub 15 pin shrink jack Projector Computer 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_high CRC_low Lower byte of CRC flag for command data CRC_high Upper byte of CRC flag for command data 3 Command data RS 232C jack D sub 9 pin ...

Page 34: ...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 the projector cannot understand the received command When the projector cannot understand the received command the error code 15H is ...

Page 35: ...35 CP S420WA C7S2 CP X430WA C7X2 ...

Page 36: ...36 CP S420WA C7S2 CP X430WA C7X2 ...

Page 37: ...37 CP S420WA C7S2 CP X430WA C7X2 ...

Page 38: ...38 CP S420WA C7S2 CP X430WA C7X2 ...

Page 39: ...39 CP S420WA C7S2 CP X430WA C7X2 ...

Page 40: ...40 CP S420WA C7S2 CP X430WA C7X2 11 Block diagram CP S420WA SVGA CP X430WA XGA Block diagram C7S2 C7X2 CP X430WA only ...

Page 41: ...41 CP S420WA C7S2 CP X430WA C7X2 12 Connector connection diagram Connector connection diagram C7S2 C7X2 ...

Page 42: ...42 CP S420WA C7S2 CP X430WA C7X2 13 Basic circuit diagram Parts with hatching are not mounted ...

Page 43: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 POWER UNIT BALLAST C7S2 C7X2 For handling of the circuit diagram refer to the warning on the cover Warning ...

Page 44: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 POWER UNIT CIRCUIT C7S2 C7X2 For handling of the circuit diagram refer to the warning on the cover Warning Out put connector ...

Page 45: ...PWB assembly DRIVE 1 C7S2 C7X2 ...

Page 46: ...PWB assembly DRIVE 2 C7S2 C7X2 ...

Page 47: ...PWB assembly DRIVE 3 C7S2 C7X2 ...

Page 48: ...PWB assembly DRIVE 4 C7S2 C7X2 ...

Page 49: ...PWB assembly DRIVE 5 C7S2 C7X2 ...

Page 50: ...PWB assembly DRIVE 6 C7S2 C7X2 ...

Page 51: ...PWB assembly DRIVE 7 C7S2 C7X2 ...

Page 52: ...PWB assembly DRIVE 8 C7S2 C7X2 ...

Page 53: ...PWB assembly DRIVE 9 C7S2 C7X2 ...

Page 54: ...PWB assembly DRIVE 10 C7S2 C7X2 ...

Page 55: ...PWB assembly DRIVE 11 C7X2 ...

Page 56: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 female female female PWB assembly SIGNAL 1 C7S2 C7X2 ...

Page 57: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 PWB assembly SIGNAL 2 C7S2 C7X2 ...

Page 58: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 male mouse serial RS232C PWB assembly SIGNAL 3 C7S2 C7X2 ...

Page 59: ...T PWB assembly DRIVE 1 PWB assembly DRIVE 2 PWB assembly DRIVE 3 PWB assembly DRIVE 4 PWB assembly DRIVE 5 PWB assembly DRIVE 6 PWB assembly DRIVE 7 PWB assembly DRIVE 8 PWB assembly DRIVE 9 PWB assembly DRIVE 10 PWB assembly DRIVE 11 CP X430WA only PWB assembly SIGNAL 1 PWB assembly SIGNAL 2 PWB assembly SIGNAL 3 Basic circuit diagram list ...

Page 60: ...CP S420WA C7S2 YK No 0538E Digtal Media Division CP X430WA C7X2 QR59341 Printed in Japan JE ...

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