Hitachi CP-X880 Service Manual
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Hitachi CP-X880 Service Manual

Multimedia lcd projector
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See also: Technical Manual , User Manual

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.
1. When replace the lamp, to avoid burns to your fi ngers. The lamp becomes too hot.
2. Never touch the lamp bulb with a fi nger 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 specifi ed.
1. Features -----------------------------------------------2
2. Specifi cations-----------------------------------------2
3. Names of each part ---------------------------------3
4. Adjustment --------------------------------------------5
5. Troubleshooting ------------------------------------ 11
6. Service points -------------------------------------- 16
7. Wiring diagram ------------------------------------- 31
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
Caution
Service Warning
Contents
November 2002 Digital Media Division
YK
CP-X880
CP-X885
8. Disassembly diagram----------------------------- 37
9. Replacement parts list---------------------------- 39
10.RS-232C communication ------------------------ 40
11.Block diagram -------------------------------------- 46
13.Basic circuit diagram------------------------------ 48
No.0526E
(C8X)
(C8XM)

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Summary of Contents for Hitachi CP-X880

  • Page 1: Table Of Contents

    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.

  • Page 2: Features

    CP-X880/CP-X885 1. Features High brightness Full connectivity (BNC) Easy operation My screen Convenient lamp replacement 2. Specifications TFT active matrix Drive system Liquid crystal Panel size 0.99 inches panel 1024 (H) × 768 (V) Number of pixels 275W UHB Lamp Video: Analog 0.7Vp-p, 75...

  • Page 3: Names Of Each Part

    CP-X880/CP-X885 3. Names of each part Parts names KEYSTONE button INPUT dial RGB indicator ONE TOUCH button RESET button BNC indicator FOCUS button DVI indicator INPUT KEYSTONE ZOOM button VIDEO indicator ONE TOUCH FOCUS ZOOM VIDEO RESET S-VIDEO indicator MENU button...

  • Page 4: Remote Control Transmitter

    CP-X880/CP-X885 Remote control transmitter LASER INDICATOR RGB button VIDEO button ZOOM buttons LASER INDICATOR STANDBY/ON VIDEO STANDBY/ON button PAGE buttons FOCUS buttons FOCUS ZOOM PAGE DOWN LASER button BLANK button BLANK LASER Right mouse button Disk pad <For mouse control>...

  • Page 5: Adjustment

    CP-X880/CP-X885 4. Adjustment 4-1 Before adjusting 4-1-1 Adjustment menu 4. Perform all adjustments from the Adjustment 1. Before starting adjustment, warm up the menu. projector for about 10 minutes. (Blank white) Perform the following operations to display the 2. Set Zoom Wide to Max. and project an image a Adjustment menu.
  • Page 6 CP-X880/CP-X885 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.
  • Page 7 CP-X880/CP-X885 4-5 White balance adjustment (visual inspection) Preparations 1. Perform these adjustments after the NRSH 2. Reset gamma correction before adjustment. Place the cursor on [GAMMA] in the Adjustment adjustment described in Section 4-4. menu, press the [RESET] key and select [DEFAULT].

  • Page 8: Color Uniformity Adjustment

    CP-X880/CP-X885 4-6 Color uniformity adjustment Preparations 1. Perform these adjustments after the white 6. To temporarily turn correction off, place the balance adjustment described in Section 4-5. cursor on “ON” in the Adjust Tone menu and 2. Make a color uniformity adjustment for the press the [ ] key.
  • Page 9 CP-X880/CP-X885 Adjustment procedure 1 (when a color differential meter is used) 1. First adjust [MID-L] tone [G:]. 9. Similarly, measure adjustment points [No.3] to 2. Select adjustment point [No.2][G:]. [No.17] and adjust their color coordinates starting in order from the small number points.
  • Page 10 CP-X880/CP-X885 Adjustment procedure 2 (visual inspection) 1. First adjust [MIN] tone [G:]. 6. View measurement points [No.2], [No.3], 2. Select [No.2] [G:]. [No.10] and [No.11]. Adjust the [R] and [B] of If the background is [G] monochrome, press the each measurement point so that they have the [ENTER] key on the Remote control transmitter same color as measurement point [No.1].

  • Page 11: Troubleshooting

    CP-X880/CP-X885 5. Troubleshooting Check points at trouble shooting EE51(Parts side) E808 E807 CPC30 low connector ESPL E806 PWB assembly Drive E804 E803 P501 P701 ESPR E811 E802 P601 CHV26 CHV33 E800 I256 Q801 S315(IN) E801 E805 AP98(Parts side) S314(OUT) CHV35...
  • Page 12 CP-X880/CP-X885 Power can not be turned on Are voltage Disconnect input on the PWB TSW from Power unit Open assembly Drive at (circuit). And check standby mode? TSW short or open? E800 : +16.5V E800 : +15V Short E800 : +4V...
  • Page 13 CP-X880/CP-X885 Lamp does not light What is the state of Light Light Change the lamp. Lamp LAMP indicator D302 Does lamp light? during operation? Not light Not light Is the voltage at collector of Q801 on the PWB assembly PWB assembly Drive Drive fixed to "L"...
  • Page 14 CP-X880/CP-X885 Picture is not displayed when the RGB signal is input Check at operating mode Change the Are signal IS01 on the PWB input at each pin on the assembly Signal is it PWB assembly repaired? Drive? TPX29 : R signal...
  • Page 15 CP-X880/CP-X885 No sound Check at operating mode Are signal input at each pin on the PWB assembly Drive? PWB assembly Signal CHV26 : Audio (L) CHV33 : Audio (R) PWB assembly Drive Speaker Can not control to RS-232C Check at operating mode...

  • Page 16: Service Points

    CP-X880/CP-X885 6. Service points Lead free solder [CAUTION] This product uses lead free solder (unleaded) to help preserve the environment. Please read these instructions before attempting any soldering work. Caution: Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead free solder can splatter at high temperatures (600˚C).
  • Page 17 CP-X880/CP-X885 When cleaning the optical system with the PWB assembly Drive connected More efficient operation is possible if the optional JOINT PWB (JP056511) is used because the cable can then be extended. CNLC #680 #3055 Motor lead E808 E807 PWB assembly Drive...
  • Page 18 CP-X880/CP-X885 Remove the optical unit before removing the power supply When removing the optical unit, move PWB block. it in the direction of the arrow so that the protuberance of the optical unit fan does not become caught in the indentation in the bottom case.

  • Page 19: Putting Batteries Into The Remote Control Unit

    Therefore, regarding these parts, you can either replace part, LCD / Lens Prism assembly, or send the whole unit LCD / Lens Prism assembly back to HITACHI, where we will replace the malfunctioning part, recondition the device and send it back to you. In that case please contact our distributor.
  • Page 20 CP-X880/CP-X885 Lamp (Option Lamp:DT00531) HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE To replace the lamp, check the model number of the replacement lamp (sold separately). Replacement lamp model number: DT00531 Before replacing the lamp, make sure the power switch is off and the power cable is not plugged in, then wait at least 45 minutes for the lamp to cool sufficiently.

  • Page 21: Replacing The Lamp

    CP-X880/CP-X885 Replacing the Lamp All projector lamps will wear out eventually. If used for long periods of time, the image could become darkened, and the color contrast could be impacted as well. We recommend that you replace your lamps early. If the LAMP indicator turns red, or a message prompts you to replace the lamp when you power up the projector, the lamp needs to be replaced.

  • Page 22: Resetting The Lamp Timer

    CP-X880/CP-X885 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.

  • Page 23: Air Filter

    CP-X880/CP-X885 Air Filter Caring for the air filter The air filter should be cleaned about every 100 hours. If the LAMP indicator and TEMP indicator blink red simultaneously, or a message prompts you to clean the air filter when you turn on the unit, the filter needs to be cleaned. (See "Related Messages"...
  • Page 24 CP-X880/CP-X885 Notice of AUTO adjustment Use of AUTO adjustment with the image through RGB input optimizes VPOSI, HPOSI, HSIZE and HPHASE automatically. In case that projected image has dark tone around its peripheral, AUTO operation sometimes makes artifacts in the image, shifts capture area and so on. Those failures are caused by period of image data is not exactly distinguished to period of blanking on signal processing.
  • Page 25 PIN BOX (ID Inquiring Code) 2. Send HITACHI sales company the Inquiring code (10 digits) to inquire the correct PIN code. 3. With the PIN BOX menu displayed, input the correct PIN code. Enter the correct PIN CODE that HITACHI sales company informed.
  • Page 26 CP-X880/CP-X885 Set operating time display method (accumulated lamp time display method) 1. Select [Option] from the [Menu] display, then select [Lamp Time]. 2. Press the [Reset] button once, then press [Keystone] for 3 seconds or more to display the screen shown below.

  • Page 27: Related Messages

    CP-X880/CP-X885 Related Messages When the unit's power is ON, messages such as those shown below may be displayed. When any such message is displayed on the screen, please respond as described below. Message Description CHANGE THE LAMP Lamp usage time is approaching 2,000 hours. (Note 2)

  • Page 28: Regarding The Indicator Lamps

    CP-X880/CP-X885 Regarding the Indicator Lamps Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP indicator have the meanings as described in the Table below. Please respond in accordance with the instructions within the Table. POWER LAMP...

  • Page 29: Service Menu

    CP-X880/CP-X885 SERVICE MENU To display the OSD for “SERVICE MENU” set up. By the control panel By the remote control transmitter SERVICE yellow(selected item) 1. Display the menu by the 1. Display the menu by the FANSPEED “MENU” button. “MENU” button.
  • Page 30 CP-X880/CP-X885 Setup of Filter time (“ON” or “OFF”) 1. Select the “FILTER TIME” on the OSD using button “ ” by the SERVICE MENU. SERVICE yellow(selected item) same as the menu color FANSPEED white(not selected item) B-SPEED DURABLE VIDEO NR...

  • Page 31: Wiring Diagram

    CP-X880/CP-X885 7. Wiring diagram...
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  • Page 37: Disassembly Diagram

    CP-X880/CP-X885 8. Disassembly diagram 3×10 DT SILVER M3×6 LOCK T3×12 T2×5 M3×8 WASHER T3×12 T3×12 T3×12 T3×12 T3×12 T3×16 T3×12 M3×10 DP T3×12 T3×10 M3×8 T3×12 M3×10 DT SILVER M3×10 M3×6 LOCK DT SILVER M3×10 DT SILVER M3×10 DT SILVER M3×10...
  • Page 38 CP-X880/CP-X885 M3×10 M3×10 WASHER T3×10 WASHER BLACK T3×10 BLACK M2.3×8 T3×32 T3×12 T3×12 M2.6×6 M2.6×6 M3×25 T3×12 T3×16 T3×12 P T3×12 P T3×12 P...

  • Page 39: Replacement Parts List

    CP-X880/CP-X885 9. Replacement Parts list PRODUCT SAFETY NOTE : Components marked with a have special characteristics important to safety. Before replacing any of there components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the projector through improper servicing.

  • Page 40: Rs-232C Communication

    CP-X880/CP-X885 10. RS-232C communication (1) Turn off the projector and computer power supplies and connect with the RS-232C adapter via the RS-232C cable. (2) Turn on the computer power supply and after the computer has started up, turn on the projector power supply.
  • Page 41 CP-X880/CP-X885 Requesting projector status (Get command) (1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes) +‘00H’+‘00H’) from the computer to the projector. (2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.

  • Page 42: Command Data Chart

    CP-X880/CP-X885 Command data chart Command data Names Operation type Header Action Type Setting code Blue BE EF 06 00 CB D3 01 00 00 30 03 00 White BE EF 06 00 6B D0 01 00 00 30 05 00...
  • Page 43 CP-X880/CP-X885 Command data chart Command data Names Operation type Header Action Type Setting code H.Position Reset Execute BE EF 06 00 IC D3 06 00 03 70 00 00 H.Size Reset Execute BE EF 06 00 68 D2 06 00...
  • Page 44 CP-X880/CP-X885 Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 45 D2 02 00 06 20 00 00 Color Balance B Increment BE EF 06 00 23 D2 04 00 06 20...
  • Page 45 CP-X880/CP-X885 Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 CB D0 01 00 08 30 01 00 Sync on G BE EF 06 00 5B D1 01 00 08 30 00 00...

  • Page 46: Block Diagram

    CP-X880/CP-X885 11. Block diagram...

  • Page 47: Connector Connection Diagram

    CP-X880/CP-X885 12. Connector connection diagram COMPONENT ESM2 EV01 E302 E950 PWB assembly DRIVE VIDEO-IN ET02 1 PWB 2 assembly MOUSE SENSOR REMOTE 4 Cb/Pb E806 ER01 AUD.L 1 PWB Cr/Pr 2 REMOTE1 2 assembly 3 REMOTE2 3 REMC P501 1...

  • Page 48: Basic Circuit Diagram

    CP-X880/CP-X885 13. Basic circuit diagram Parts with hatching are not mounted. PWB assembly SENSOR (C8X/C8XM) PWB assembly REMOTE CONTROL (C8X/C8XM) PWB assembly LIMIT SWITCH (C8X/C8XM)
  • Page 49 POWER UNIT (BALLAST) (C8X/C8XM)
  • Page 50 Out put connector POWER UNIT (CIRCUIT)(C8X/C8XM)
  • Page 51 PWB assembly DRIVE 1 (C8X/C8XM)
  • Page 52 PWB assembly DRIVE 2 (C8X/C8XM)
  • Page 53 PWB assembly DRIVE 3 (C8X/C8XM)
  • Page 54 PWB assembly DRIVE 4 (C8X/C8XM)
  • Page 55 PWB assembly DRIVE 5 (C8X/C8XM)
  • Page 56 PWB assembly DRIVE 6 (C8X/C8XM)
  • Page 57 PWB assembly DRIVE 7 (C8X/C8XM)
  • Page 58 PWB assembly DRIVE 8 (C8X/C8XM)
  • Page 59 PWB assembly DRIVE 9 (C8X/C8XM)
  • Page 60 PWB assembly DRIVE 10 (C8X/C8XM)
  • Page 61 PWB assembly DRIVE 11 (C8X/C8XM)
  • Page 62 PWB assembly DRIVE 12 (C8X/C8XM)
  • Page 63 PWB assembly DRIVE 13 (C8X/C8XM)
  • Page 64 PWB assembly SIGNAL 1 (C8X/C8XM)
  • Page 65 PWB assembly SIGNAL 2 (C8X/C8XM)
  • Page 66 PWB assembly SIGNAL 3 (C8X/C8XM)
  • Page 67 Basic circuit diagram List PWB assembly SENSOR PWB assembly DRIVE 7 PWB assembly REMOTE CONTROL PWB assembly DRIVE 8 PWB assembly LIMIT SWITCH PWB assembly DRIVE 9 POWER UNIT(BALLAST) PWB assembly DRIVE 10 POWER UNIT(CIRCUIT) PWB assembly DRIVE 11 PWB assembly DRIVE 1 PWB assembly DRIVE 12 PWB assembly DRIVE 2 PWB assembly DRIVE 13...
  • Page 68 CP-X880 YK No.0526E Digital Media Division CP-X885 QR54041 Printed in Japan (S)

This manual is also suitable for:

Cp-x885C8xmC8x

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