Table of Contents
Advertisement
Quick Links
SERVICE MANUAL
Warning
The technical information and parts shown in this
manual are not to be used for: the development,
design, production, storage or use of nuclear, chemical,
biological or missile weapons or other weapons of
mass destruction; or military purposes; or purposes that
endanger global safety and peace. Moreover, do not
sell, give, or export these items, or grant permission for
use to parties with such objectives. Forward all inquiries
to Hitachi Ltd.
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 LENS/PRISM 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 -------------------------------------- 17
7. Wiring diagram ------------------------------------- 30
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
Caution
Service Warning
Contents
June 2005 Digital Media Division
No.0555E
YK
CP-X444(C11XMB)
CP-X440(C11XM25)
8. Disassembly diagram ----------------------------- 36
9. Replacement parts list ---------------------------- 40
10.RS-232C commands ----------------------------- 42
11. Block diagram -------------------------------------- 51
12. Connector connection diagram ---------------- 52
13.Basic circuit diagram ------------------------------ 53
Updated 6.26.07
Advertisement
Table of Contents
Related Manuals for Hitachi C11XMB
Summary of Contents for Hitachi C11XMB
-
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-X444(C11XMB)/CP-X440(C11XM25) 1. Features • High Brightness • Low Noise • Rich Connectivity • Compact Body 2. Specifications CP-X444 CP-X440 Drive system TFT active matrix Liquid crystal Panel size 2.0cm(0.79 type) 1.8cm(0.7type) panel Number of pixels 1024 (H) x 768 (V) -
Page 3: Names Of Each Part
CP-X444(C11XMB)/CP-X440(C11XM25) 3. Names of each part ● Part names Remote sensor Zoom knob Focus ring Elevator button Vent Front-Right side Elevator foot Lens Filter cover Lamp cover (Air fi lter and intake vent (Lamp unit is inside.) are inside.) Speaker Control buttons (See the following page.) -
Page 4: Control Buttons
CP-X444(C11XMB)/CP-X440(C11XM25) Control buttons LAMP indicator TEMP indicator Cursor buttons POWER indicator ▲,▼,◄,► RESET button KEYSTONE button STANDBY/ON button INPUT button Remote control SEARCH button STANDBY/ON button RGB button AUTO button VIDEO SEARCH VIDEO button BLANK button BLANK ASPECT AUTO ASPECT button... -
Page 5: Adjustment
CP-X444(C11XMB)/CP-X440(C11XM25) 4. Adjustment 4-1 Before adjusting 4-1-1 Selection of adjustment When any parts in the table 4-1 are changed, choose the proper adjusting items with the chart. Table 4-1: Relation between the replaced part and adjustment Adjustment Replaced White Color... - Page 6 CP-X444(C11XMB)/CP-X440(C11XM25) 4-2 Convergence adjustment Perform this adjustments only when the conver- Signal pattern for internal adjustment gence is not good. 1. Open FACTORY MENU and then select OPTION > CNV-V. Use R and/or B so that three colors of images can be converged at center, top and bottom of the screen.
- Page 7 CP-X444(C11XMB)/CP-X440(C11XM25) 4-4 Flicker adjustment (V.COM adjustment) Adjustment procedure Signals for internal adjustment 1. Make this adjustment after completing the adjustment in 4-3 Ghost adjustment. 2. Use DAC-P - V.COM - R: in the FACTORY MENU to adjust so that the flicker at the center of the screen is less than the flicker at the periphery.
-
Page 8: Color Uniformity Adjustment
CP-X444(C11XMB)/CP-X440(C11XM25) 4-6 Color uniformity adjustment Preparations 1. Perform these adjustments after the white balance 6. To temporarily turn correction off, place the adjustment described in Section 4-5. cursor on [C.UNIF.] in the Adjust Tone menu and 2. Make a color uniformity adjustment for the follow- press the [ ] key. - Page 9 CP-X444(C11XMB)/CP-X440(C11XM25) 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 start- When the background is not [G] monochrome, ing in order from the small number points.
- Page 10 CP-X444(C11XMB)/CP-X440(C11XM25) 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-X444(C11XMB)/CP-X440(C11XM25) 5. Troubleshooting Check points Temperature SW(TSW) CNLC E804 E801 E803 E800 E301 D301 (POWER) E806 D302 (TEMP) D303 (LAMP) EF01 P501 TP086 TP080 TP081 E802 P601 R220 P701 PWB assembly MAIN E807 E302 E805 PWB assembly REMOTE... - Page 12 CP-X444(C11XMB)/CP-X440(C11XM25) Power can not be turned on Disconnect voltage input at TSW form Power unit pins (1)(4)(6)(8) of E800 Open (circuit). And check on the PWB assembly TSW short or Main at standby open? mode? (1): 0V (4): +15V Short (6): +6.6V...
- Page 13 CP-X444(C11XMB)/CP-X440(C11XM25) Lamp does not light What is the Light state of LAMP indicator Is the LAMP Install the Lamp D303 during operation? installation correct? Not light Light Change the lamp. Lamp Does lamp light? Not light Is the voltage at the "L"...
- Page 14 CP-X444(C11XMB)/CP-X440(C11XM25) Picture is not displayed only when the RGB signal is input Check at operating mode voltage input at pins(1)(4)(6)(8) of Power unit E800 on the PWB (circuit) assembly MAIN? (1):+17V (4):+15V (6):+6.6V (8):+4.1V Make sure the connection between PWB...
- Page 15 CP-X444(C11XMB)/CP-X440(C11XM25) Picture is not displayed only when the VIDEO, S-VIDEO, Component Signal is input Check at operating mode voltage input at pins(1)(4)(6)(8) of E800 on the PWB assembly MAIN? (1): +17V (4): +15V Power unit (circuit) (6): +6.6V (8): +4.1V...
- Page 16 CP-X444(C11XMB)/CP-X440(C11XM25) No sound Check at operating mode (Make sure the state of MUTE and Volume) Are voltage input at each pin on the PWB Power unit (circuit) assembly Main? E800 : +17V E800 : +15.0V E800 : +6.0V E800 : +4.1V...
-
Page 17: Service Points
CP-X444(C11XMB)/CP-X440(C11XM25) 6. Service points 6-1 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 18 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.
- Page 19 CP-X444(C11XMB)/CP-X440(C11XM25) 3. Maintenance point Each color part has same construction. By using swab and air duster, you can easily remove dust from panel and optical filter. 4. Cleaning the panels and optical filters (1) Turn on the set and lit on the lamp.
-
Page 20: Putting Batteries
CP-X444(C11XMB)/CP-X440(C11XM25) 6-4 Putting batteries WARNING Always handle the batteries with care and use them only as directed. Improper use may result in battery explosion, cracking or leakage, which could result in fire, injury and/or pollution of the surrounding environ- ment. - Page 21 CP-X444(C11XMB)/CP-X440(C11XM25) 6-5 Air filter WARNING ● Before caring, make sure the power switch is off and the power cable is not plugged in, and then allow the projector to cool suffi ciently. The care in a high temperature state of the projector could cause a burn and/ or malfunction to the projector.
- Page 22 CP-X444(C11XMB)/CP-X440(C11XM25) 6-6 Lamp WARNING HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE ● The projector uses a high-pressure mercury glass lamp. The lamp can break with a loud bang, or burn out, if jolted or scratched, handled while hot, or worn over time. Note that each lamp has a different life- time, and some may burst or burn out soon after you start using them.
- Page 23 CP-X444(C11XMB)/CP-X440(C11XM25) Replacing the Lamp When the indicators or a message prompts you to replace the lamp, replace the lamp as soon as possible. 1. Turn the projector off, and unplug the power cord. Allow the lamp to cool for at least 45 minutes.
- Page 24 CP-X444(C11XMB)/CP-X440(C11XM25) 6-7 Other care WARNING Before caring, make sure the power switch is off and the power cable is not plugged in, and then allow the projector to cool suffi ciently. The care in a high temperature state of the projector could cause a burn and/ or malfunction to the projector.
- Page 25 CP-X444(C11XMB)/CP-X440(C11XM25) 6-8 Notice of AUTO adjustment Use of AUTO adjustment with the image through RGB input optimizes V_POSI, H_POSI, H_SIZE and H_PHASE 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 26 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 27: Related Messages
CP-X444(C11XMB)/CP-X440(C11XM25) 6-10 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. Although these messages will be automatically disappeared around several minutes, it will be reappeared every time the power is turned on. -
Page 28: Regarding The Indicator Lamps
CP-X444(C11XMB)/CP-X440(C11XM25) 6-11 Regarding the indicator lamps Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP indicator have the mean- ings as described in the table below. Please respond in accordance with the instructions within the table. - Page 29 CP-X444(C11XMB)/CP-X440(C11XM25) 6-12 HIDDEN SERVICE MENU To display the OSD for “HIDDEN SERVICE MENU” set up. By the control panel By the remote control transmitter 1. Display the Advance menu by 1. Display the menu by the the “MENU” button.(If EASY “MENU”...
-
Page 30: Wiring Diagram
CP-X444(C11XMB)/CP-X440(C11XM25) 7. Wiring diagram... - Page 31 CP-X444(C11XMB)/CP-X440(C11XM25)
- Page 32 CP-X444(C11XMB)/CP-X440(C11XM25)
- Page 33 CP-X444(C11XMB)/CP-X440(C11XM25)
- Page 34 CP-X444(C11XMB)/CP-X440(C11XM25)
- Page 35 CP-X444(C11XMB)/CP-X440(C11XM25)
-
Page 36: Disassembly Diagram
CP-X444(C11XMB)/CP-X440(C11XM25) 8. Disassembly diagram... - Page 37 CP-X444(C11XMB)/CP-X440(C11XM25)
- Page 38 CP-X444(C11XMB)/CP-X440(C11XM25) Notice 1. Caution when removing the upper case assembly. The speaker is on the upper case assembly, and its wires lead to PWB assembly MAIN. When you remove the upper case assembly, avoid damaging speaker, its wires and/or PWB assembly MAIN.
- Page 39 CP-X444(C11XMB)/CP-X440(C11XM25) 4. Putting the power supply unit together after the maintenance of the POWER UNIT (CIRCUIT) and/or the POWER UNIT (BALLAST). WARNING Assemble the power supply unit with care to achieve the required insulation. Incor- rect assembly could cause a fi re and/or an electric shock.
-
Page 40: Replacement Parts List
CP-X444(C11XMB)/CP-X440(C11XM25) 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 41 CP-X444(C11XMB)/CP-X440(C11XM25) CP-X440 SYMBOL PARTS SYMBOL PARTS DESCRIPTION DESCRIPTION QD50731 UPPER CASE SASS’Y GK01353 SPEAKER PC06551 CONTROL BUTTON ASY C11XM25 FH00331 THERMAL SW ASSY QD50751 BOTTOM CASE SASS’Y DT00691 LAMP UNIT ASS’Y PE00112 RUBBER FOOT UX23457 LCD/LENS PRISM ASS’Y(SERVICE or REPAIR)
-
Page 42: Rs-232C Commands
CP-X444(C11XMB)/CP-X440(C11XM25) 10. RS-232C communication RS-232C cable(Cross) CONTROL port RS-232C port of the projector of a computer - (1) (1) CD RD (2) (2) RD TD (3) (3) TD - (4) (4) DTR GND (5) (5) GND - (6) (6) DSR... - Page 43 CP-X444(C11XMB)/CP-X440(C11XM25) 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 44: Command Data Chart
CP-X444(C11XMB)/CP-X440(C11XM25) Command data chart Command Data Names Operation Type Header Action Type Setting Code Power Turn off BE EF 06 00 2A D3 01 00 00 60 00 00 Turn on BE EF 06 00 BA D2 01 00 00 60... - Page 45 CP-X444(C11XMB)/CP-X440(C11XM25) Command Data Names Operation Type Header Action Type Setting Code User Gamma Pattern BE EF 06 00 FB FA 01 00 80 30 00 00 9 step gray scale BE EF 06 00 6B FB 01 00 80 30...
- Page 46 CP-X444(C11XMB)/CP-X440(C11XM25) Command Data Names Operation Type Header Action Type Setting Code COLOR TEMP GAIN G BE EF 06 00 70 F4 02 00 B2 30 00 00 Increment BE EF 06 00 16 F4 04 00 B2 30 00 00...
- Page 47 CP-X444(C11XMB)/CP-X440(C11XM25) Command Data Names Operation Type Header Action Type Setting Code ASPECT BE EF 06 00 9E D0 01 00 08 20 00 00 16:9 BE EF 06 00 0E D1 01 00 08 20 01 00 SMALL BE EF...
- Page 48 CP-X444(C11XMB)/CP-X440(C11XM25) Command Data Names Operation Type Header Action Type Setting Code KEYSTONE V BE EF 06 00 B9 D3 02 00 07 20 00 00 Increment BE EF 06 00 DF D3 04 00 07 20 00 00 Decrement BE EF...
- Page 49 CP-X444(C11XMB)/CP-X440(C11XM25) Command Data Names Operation Type Header Action Type Setting Code MUTE TURN OFF BE EF 06 00 46 D3 01 00 02 20 00 00 TURN ON BE EF 06 00 D6 D2 01 00 02 20 01 00...
- Page 50 CP-X444(C11XMB)/CP-X440(C11XM25) Command Data Names Operation Type Header Action Type Setting Code OSD BRIGHT. BE EF 06 00 A8 D5 02 00 18 30 00 00 Increment BE EF 06 00 CE D5 04 00 18 30 00 00 Decrement BE EF...
-
Page 51: Block Diagram
CP-X444(C11XMB)/CP-X440(C11XM25) 11. Block diagram... -
Page 52: Connector Connection Diagram
CP-X444(C11XMB)/CP-X440(C11XM25) 12. Connector connection diagram COMPONENT ESM1 1 1 E101 E301 1 OUTSIDE TEMP PWB assembly MAIN VIDEO-IN ET01 SENSOR E302 1 AIR SPEED RGB_VID SENSOR Cb/Pb VOL_SEL CNRM Cr/Pr CLK-A ER01 MUTESIG E805 1 1 PWB DATA-A P501 1... -
Page 53: Basic Circuit Diagram
CP-X444(C11XMB)/CP-X440(C11XM25) 13. Basic circuit diagram Parts with hatching are not mounted. F001 L002 L001 6.3A/250V S001 CMT-UB1449 FK-055CK-3020R CN105 IL001 PWB assembly FILTER (C11XMB/C11XM25) TO-SW PWB assembly SW (C11XMB/C11XM25) PWB assembly REMOTE (C11XMB/C11XM25) - Page 54 CP-X444(C11XMB)/CP-X440(C11XM25) MEMO...
- Page 56 Warning POWER UNIT CIRCUIT (C11XMB/C11XM25) For handling of the circuit diagram, refer to the warning on the cover.
- Page 57 PWB assembly MAIN 1 (C11XMB/C11XM25)
- Page 58 PWB assembly MAIN 2 (C11XMB/C11XM25)
- Page 59 PWB assembly MAIN 3 (C11XMB/C11XM25)
- Page 60 PWB assembly MAIN 4 (C11XMB/C11XM25)
- Page 61 PWB assembly MAIN 5 (C11XMB/C11XM25)
- Page 62 PWB assembly MAIN 6 (C11XMB/C11XM25)
- Page 63 PWB assembly MAIN 7 (C11XMB/C11XM25)
- Page 64 PWB assembly MAIN 8 (C11XMB/C11XM25)
- Page 65 PWB assembly MAIN 9 (C11XMB/C11XM25)
- Page 66 PWB assembly MAIN 10 (C11XMB/C11XM25)
- Page 67 PWB assembly MAIN 11 (C11XMB/C11XM25)
- Page 68 PWB assembly INPUT 1 (C11XMB/C11XM25)
- Page 69 PWB assembly INPUT 2 (C11XMB/C11XM25)
- Page 70 MEMO...
- Page 71 CP-X444(C11XMB)/CP-X440(C11XM25) Basic circuit diagram list PWB assembly FILTER PWB assembly MAIN 5 PWB assembly SW PWB assembly MAIN 6 PWB assembly REMOTE PWB assembly MAIN 7 POWER UNIT BALLAST PWB assembly MAIN 8 POWER UNIT CIRCUIT PWB assembly MAIN 9...
- Page 72 CP-X444 YK No.0555 Digital Media Division CP-X440 QR64691 Printed in Japan (JE)