Hitachi CPX1 Service Manual
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Hitachi CPX1 Service Manual

Hitachi CPX1 Service Manual

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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 (circuit) and power unit (ballast), after 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 --------------------------------------------- 15
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
All manuals and user guides at all-guides.com
Caution
Service Warning
Contents
7. Wiring diagram -------------------------------------------- 31
8. Disassembly diagram ----------------------------------- 39
9. Replacement parts list ---------------------------------- 52
10. Block diagram --------------------------------------------- 53
11. Connector connection diagram ----------------------- 54
12.Basic circuit diagram ------------------------------------ 55
September 2006
No.0576E
YK
CPX1(M1-20)

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  • 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

    All manuals and user guides at all-guides.com CPX1(M1-20) 1. Features • High Brightness • Low Noise • Rich Connectivity • Compact Body • Stand Alone Presentations 2. Specifications Drive system TFT active matrix Liquid crystal Panel size 1.6cm(0.63 type) panel...

  • Page 3: Names Of Each Part

    All manuals and user guides at all-guides.com CPX1(M1-20) 3. Names of each part Projector (1) Lamp cover HOT! (1) (2) (3) The lamp unit is inside. (2) Focus ring (3) Zoom ring (4) Control panel (5) Speaker (10) (9) (8)
  • Page 4 All manuals and user guides at all-guides.com CPX1(M1-20) Control panel (1) STANDBY/ON button (4) (5) (6) (2) INPUT/ENTER button (3) MENU button LAMP INPUT/ STANDBY/ON ENTER It consists of four cursor buttons. MENU TEMP (4) POWER indicator POWER (5) TEMP indicator...

  • Page 5: Adjustment

    All manuals and user guides at all-guides.com CPX1(M1-20) 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...
  • Page 6 All manuals and user guides at all-guides.com CPX1(M1-20) 4-2 Flicker adjustment (V.COM adjustment) Test pattern for the adjustment Adjustment procedure 1. Use DAC-P - V.COM - R: in the FACTORY MENU to adjust so that the flicker at the center of 128/255 the screen is less than the flicker at the periphery.
  • Page 7 All manuals and user guides at all-guides.com CPX1(M1-20) 4-5 White balance adjustment (visual inspection) Preparations 2. Reset gamma correction before adjustment. 1. Perform these adjustments after the adjust- ments described in Section 4-5. Place the cursor on [GAMMA] in the FACTORY MENU, press the [RESET] key and select RESET.
  • Page 8 All manuals and user guides at all-guides.com CPX1(M1-20) 4-6 Color uniformity adjustments Preparations 1. Perform these adjustments after the adjustments 5. Adjustment point No.1 should not be adjusted, described in the section 4-6. because it controls the brightness of the entire 2.
  • Page 9 All manuals and user guides at all-guides.com CPX1(M1-20) Adjustment procedure 1 (When a color differential meter is used) Note: Since excessive correction may lead to a 1. First adjust the [MID-1] tone [G:]. correction data overview during internal 2. Select adjustment point [No.2][G:].
  • Page 10 All manuals and user guides at all-guides.com CPX1(M1-20) Adjustment procedure 2 (visual inspection) same color as measurement point [No.1]. 1. First adjust [MIN] tone [G:]. Adjustment technique: 2. Select [No.2] [G:]. First, adjust [B:] of the point whose color is to...

  • Page 11: Troubleshooting

    All manuals and user guides at all-guides.com CPX1(M1-20) 5. Troubleshooting Check points...
  • Page 12 All manuals and user guides at all-guides.com CPX1(M1-20) Power can not be turned on *: Be sure to unplug the power cord before measuring resistance. voltage Measure supplied at pins (7) resistance* 0Ω and (11) of E800 on the PWB...
  • Page 13 All manuals and user guides at all-guides.com CPX1(M1-20) Lamp does not light *: Be sure to unplug the power cord before measuring resistance. What is the state of Light LAMP indicator D303 during operation? Is the LAMP installation install the Lamp...
  • Page 14 All manuals and user guides at all-guides.com CPX1(M1-20) Picture is not displayed. Confirm the splash the LCD Panels screen and the user menu CPC40 connector 54104/54132 connection to the MAIN displayed correctly? board. PWB assembly MAIN LCD/Lens prism assembly PWB assembly MAIN...

  • Page 15: Service Points

    All manuals and user guides at all-guides.com CPX1(M1-20) 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 16 All manuals and user guides at all-guides.com CPX1(M1-20) 6-2 Replacing The LCD/PRISM assembly You should not replace separately the parts of the LCD/PRISM assembly. In case of a failure in any parts of LCD/PRISM assembly, replace the whole LCD/PRISM assembly.
  • Page 17 All manuals and user guides at all-guides.com CPX1(M1-20) 3. Maintenance point Optical filter Each color part has same construction. By using swab and air duster, you can easily remove dust from panel and optical filter. Panel Actual formation Separated formation 4.
  • Page 18 All manuals and user guides at all-guides.com CPX1(M1-20) 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 19 All manuals and user guides at all-guides.com CPX1(M1-20) 6-5 Cleaning up dust from multilens 1. Preparation Please prepare cleaning tools and materials as follows. (1) Air duster (Dust blower, spray can) (2) Swab for cleaning "Cotton stick L147" (3) Vacuum cleaner 2.
  • Page 20 All manuals and user guides at all-guides.com CPX1(M1-20) 5. Cleaning the multilens (1) By using the air duster, remove the dust on multilens. (2) Remove the dust on the ML-A surface using the air duster, then wipe the surface. Remove LAMP CLAP first.
  • Page 21 All manuals and user guides at all-guides.com CPX1(M1-20) 6-6 Air filter If the air fi lter becomes clogged by dust or the like, internal temperatures rise and could cause a fi re, a burn and/or malfunction to the projector. When the indicators or a message prompts to clean the air fi lter, clean the air fi...
  • Page 22 All manuals and user guides at all-guides.com CPX1(M1-20) 6-7 Lamp HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE WARNING ►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 lifetime, and some may burst or burn out soon after you start using them.
  • Page 23 All manuals and user guides at all-guides.com CPX1(M1-20) Replacing the Lamp A lamp has fi nite product life. Using the lamp for long periods of time could cause the pictures darker or the color tone poor. Note that each lamp has a different lifetime, and some may burst or burn out soon after you start using them.
  • Page 24 All manuals and user guides at all-guides.com CPX1(M1-20) 6-8 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 All manuals and user guides at all-guides.com CPX1(M1-20) 6-9 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.
  • Page 26 All manuals and user guides at all-guides.com CPX1(M1-20) 6-10 How to inactivate the security functions This projector is equipped with security functions. (1)MyScreen PASSWORD The MyScreen PASSWORD function can be used to prohibit access to the MyScreen function and pre- vent the currently registered MyScreen image from being overwritten.
  • Page 27 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 28 All manuals and user guides at all-guides.com CPX1(M1-20) 6-12 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.
  • Page 29 All manuals and user guides at all-guides.com CPX1(M1-20) 6-13 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 30 LAMP ALARM Select the lamp alarm level. 3 Level ↔ 1 Level ↔ None STARTUP TYPE Select the startup screen type. 1 : shows Hitachi Logo 2 : No Hitachi Logo SOFT RESET If this is executed, all of the user data is initialized.Never use it when not required.

  • Page 31: Wiring Diagram

    All manuals and user guides at all-guides.com CPX1(M1-20) 7. Wiring diagram...
  • Page 32 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 33 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 34 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 35 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 36 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 37 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 38 All manuals and user guides at all-guides.com CPX1(M1-20)

  • Page 39: Disassembly Diagram

    All manuals and user guides at all-guides.com CPX1(M1-20) 8. Disassembly diagram (See Notice 1)
  • Page 40 All manuals and user guides at all-guides.com CPX1(M1-20)
  • Page 41 All manuals and user guides at all-guides.com CPX1(M1-20) Notice 1. The step of the disassembly / The step of the assembly. Disassemble the projector in order of 1, 2, 3, 4, 5, 6 and 7 as shown in the diagram.
  • Page 42 All manuals and user guides at all-guides.com CPX1(M1-20) Notice 2. Detach and attach the upper case. Follow the procedure below to detach and attach the upper case. When disassembling a. Remove the Lamp door. CAUTION The lamp door must be removed before the upper case when disassembling the machine. If the upper case is detached with the lamp door installed, the MAIN board might be damaged.
  • Page 43 All manuals and user guides at all-guides.com CPX1(M1-20) c. Detach the upper case CAUTION When detaching the upper case. Detach the circle point side fi rst. Otherwise, upper case will be damaged. Make sure not to damage the upper case ribs (square pointed).
  • Page 44 All manuals and user guides at all-guides.com CPX1(M1-20) When assembling a. Tighten 7 screws on the bottom and 3 screws on the rear after attaching the upper case with the lamp door separated. In order not to make a gap between the upper and the bottom cases, tighten these screws while pressing down the upper case in the direction of the arrow.
  • Page 45 All manuals and user guides at all-guides.com CPX1(M1-20) 4. Detaching and attaching the Panel Fan Duct assembly When disassembling Remove 1 screw and unhook the panel fan duct assembly as shown in the diagram. Lamp fan Lamp fan wire Tape...
  • Page 46 All manuals and user guides at all-guides.com CPX1(M1-20) 5. Attaching / Detaching the optics unit (1) Remove the three screws as shown in the diagram. And detach the optics unit vertically. (2) Put the optics unit on the bottom case, and tighten screws in order of 1, 2 and 3 as shown in the diagram.
  • Page 47 All manuals and user guides at all-guides.com CPX1(M1-20) 8. Attaching the PWB assembly MAIN Note: Use the suitable screw for each screw holes when attaching the main board. Black screw (Tapping screw) White screw (Meter screw) 9. Replacing the air filter.
  • Page 48 All manuals and user guides at all-guides.com CPX1(M1-20) 10. Replacing the lamp unit CAUTION When replacing the lamp unit, never detach the three springs. Otherwise, it will be impossible to reuse the lamp unit. Lamp unit Lens fixation springs (3 pieces) Note: When detaching the lamp unit, detach the connector side first.
  • Page 49 All manuals and user guides at all-guides.com CPX1(M1-20) 11. Replacing the exhaust fan Be sure to do the following works before changing the exhaust fan. a. Prepare the following replacement parts. Exhaust fan(P#: GS01411) ....1pcs Fan cushions(P#: MS01611) .....1set Fan cushion A ......2pcs Fan cushion B ......1pcs...
  • Page 50 All manuals and user guides at all-guides.com CPX1(M1-20) 12. Replacing the control button Be sure to do following works before changing the control button. a. Make sure the contens of new control button assembly (P#: PC07081) Control button ........1pcs Cushion A ..........1pcs Cushion B ..........3pcs...
  • Page 51 All manuals and user guides at all-guides.com CPX1(M1-20) 14. Replacing the BOTTOM CASE Be sure to do following works before changing the BOTTOM CASE. a. Make sure the contents of the SP cushion assembly (P#:MU04391) Cushion A ..........2pcs Cushion B ..........2pcs (circle) b.

  • Page 52: Replacement Parts List

    All manuals and user guides at all-guides.com CPX1(M1-20) 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 53: Block Diagram

    All manuals and user guides at all-guides.com CPX1(M1-20) 10. Block diagram...

  • Page 54: Connector Connection Diagram

    All manuals and user guides at all-guides.com CPX1(M1-20) 11. Connector connection diagram RGB-IN1 ES01 WIESON_3114 EASP SPEAKER PWB assembly MAIN OUT- OUT+ RESET SW S309 ALPS_SKHHLMA010 JST_ZH RGB-IN2 Molex_54104 P501 E801 ES02 WIESON_3114 Molex_54132 P601 FAN1S Molex_54104 P701 (EXHAUST) V.COM...

  • Page 55: Basic Circuit Diagram

    All manuals and user guides at all-guides.com CPX1(M1-20) 12. Basic circuit diagram Parts with hatching are not mounted. CONFIDENTIAL DOWN 56.9KHz I002 I001 KSM-2003LM2EL KSM-2003LM2EL Vout Vout C012 C002 100p-C 100p-C 1005 1005 C011 C001 1.0/10 1.0/10 R003 1005 APRC01...
  • Page 56 All manuals and user guides at all-guides.com CPX1(M1-20) MEMO...
  • Page 57 All manuals and user guides at all-guides.com CONFIDENTIAL Warning POWER UNIT (BALLAST) 1 (M1-20) For handling of the circuit diagram, refer to the warning on the cover.
  • Page 58 All manuals and user guides at all-guides.com CONFIDENTIAL Warning POWER UNIT (BALLAST) 2 (M1-20) For handling of the circuit diagram, refer to the warning on the cover.
  • Page 59 All manuals and user guides at all-guides.com CONFIDENTIAL Warning POWER UNIT (CIRCUIT) (M1-20) For handling of the circuit diagram, refer to the warning on the cover.
  • Page 60 All manuals and user guides at all-guides.com CONFIDENTIAL +3.3VPW I201 I201 I201 PW190 PERIPHERALS PW190 DIGITAL INPUT PORT DISPLAY PORT PW190 R2C4 CH0CK GCLK IN0CLK IN0CLP CH0CP NC-D13 R2C5 DCLKOUT DCLK CH0PE IN0PEN IN0CST CH0CS NC-E18 1005 R2C6 R2K0 CH0VB IN0VBI NC-D14 1005...
  • Page 61 All manuals and user guides at all-guides.com CONFIDENTIAL L251 I201 1608 RESETN PW190 R200 2.5V 65mA 1005 R203 AC15 AC15 1.0K R217 AE16 AE16 Q201 1005 AF16 C273 AF16 JUMPER R DTC114EUA AC16 2010 AC16 N251 R201 0.01/16 AD15 AD15 EMU-RESET R218 I251...
  • Page 62 All manuals and user guides at all-guides.com CONFIDENTIAL +3.3V R376 CPU-RESET S309 1005 I301 SKHHLMA010 R371 R379 RN5VD26C RESETN 1005 Q372 1005 SRC1202EF C390 0.1/10 1005 GND1 OUTTEMP OUTTEMPP TEMP D302 R332 INTEMP 330 1 LED-TEMP 1005 SML-210VT LAMP D303 R333 330 1 LED-LAMP...
  • Page 63 All manuals and user guides at all-guides.com CONFIDENTIAL 240mA 495mA R836 R835 1005 1005 MOUSE Q809 2SC5343UFG PWRC I801 SI-3010KM 15.5V-Panel I892 L816 I808 C823 SN74LVC1G32DCK ->TC7SZ32FTE85L MM1661JHBE 0.033/16 1.8V-CPU C6-K3LA C824 I802 I803 +1.8VCPU Cont MM1663DHBE MM1663DHBE 1005 470p R811 C814 C816...
  • Page 64 All manuals and user guides at all-guides.com CONFIDENTIAL TG part for BiNA5 I401 CXD3540GB from I808 CXD3540GB 3/3 L401 I401 controlled by POWER5 CXD3540GB I401 2518 275mA@1.8V CXD3540GB CXD3540GB 1/3 +1.8VP VDDI-D4 VSS-A1 CXD3540GB 2/3 VDDI-D7 VSS-A2 R401 R431 VDDI-D8 HST_R C401 C402...
  • Page 65 All manuals and user guides at all-guides.com CONFIDENTIAL R Panel Part for BiNA5 XGA from I802 from I801 controlled by POWER6 controlled by POWER7 70mA 80mA JUMPER R R534 I502 TC7SG125FU 1005 R544 C521 Q533 SHCLK_R IN_A 2SC5343UFG 1005 R543 R531 10/16 OUT_Y...
  • Page 66 All manuals and user guides at all-guides.com CONFIDENTIAL G Panel Part for BiNA5 XGA from I802 from I801 controlled by POWER6 controlled by POWER7 70mA 80mA JUMPER R R634 I602 TC7SG125FU 1005 R644 C621 Q633 SHCLK_G IN_A 2SC5343UFG R643 R631 1005 10/16 OUT_Y...
  • Page 67 All manuals and user guides at all-guides.com CONFIDENTIAL B Panel Part for BiNA5 XGA from I801 from I802 controlled by POWER7 controlled by POWER6 70mA 80mA JUMPER R R734 I702 TC7SG125FU 1005 R744 Q733 C721 SHCLK_B IN_A 2SC5343UFG R743 R731 1005 10/16 OUT_Y...
  • Page 68 All manuals and user guides at all-guides.com CONFIDENTIAL LV01 2518 JUMPER R GND1 RV48 RV49 DSUB1_B RV50 1005 DSUB1_G 1005 DSUB1_R DSUB1_H 1005 DSUB1_V RV54 75-1% 1 1005 QV09 RV47 RV46 2SC5343UFG GND1 1005 1005 CV33 RV42 RV61 QV04 10/6.3 2SA1980UFG 2125 QV12...
  • Page 69 All manuals and user guides at all-guides.com CONFIDENTIAL LS01 2518 RS05 RS06 1005 RS04 1005 GND1 1005 DSUB2_B DSUB2_G RS90 DSUB2_R APDG RS91 1005 QS02 SRC1202EF 1005 RS92 ES01 1005 3114-15FA CS03 10/6.3 CS09 APCL 2125 IS02 EL8302IUZ-T7 RS34 1.0p-C HS10 INA+ INA-...
  • Page 70 All manuals and user guides at all-guides.com CONFIDENTIAL RA40 POWER7 100 1 RA42 1005 POWER5 100 1 1005 IA03 MM1665AHBE CA36 Cont 470p 1005 NC-6 RA41 NC-7 NC-2 +5VAUDIO Vout 1005 IA01 +6.6V BD3870FS CA54 0.33/10 VIN1 MPEG Audio R - in PL_R_IN CA55 0.0022 VIN2...
  • Page 71 All manuals and user guides at all-guides.com CONFIDENTIAL APRXJ EK51 APTXJ SH-04H RXD_CT TXD_CT RK35 QKA2 SRC1202EF AP5VJ 1005 RKA9 IK01 DS14C232CM 1005 RKA8 RKA6 XK25 1005 IKA1 IK21 GND1 6.00MH SN74LVC1G125DCK RRX6000-0702L CSTCR_G CK22 Dout1 1005 VSS1 /RST QKA3 1.0/6.3 SRC1202EF Rin1...
  • Page 72 All manuals and user guides at all-guides.com CONFIDENTIAL IP01 IP01 IP01 PERIPHERALS MD2408A MEMORY MD2408A DISPLAY MD2408A RP72 RP41 CHPPXE RP31 RP42 NPCS1 NWD_OVF CHPNWD PFCS MA14 MA14 PXOE PCLKO GCLK RP01 RP43 1005 1005 NPCS0 PFCS MA13 MA13 VBLK RP21 2010 RP44...
  • Page 73 All manuals and user guides at all-guides.com CONFIDENTIAL SDCS SDCS SDCLK SDCLK DGMU DGMU DGML DGML MD10 MA10 PFCS MD10 MA10 PFCS MD11 MA11 MA15 MD11 MA11 MA15 MD12 MA12 MA16 MD12 MA12 MA16 MD13 MA13 MA17 MD13 MA13 MA17 MD14 MA14 MA18...
  • Page 74 All manuals and user guides at all-guides.com MEMO...
  • Page 75 All manuals and user guides at all-guides.com CPX1(M1-20) Basic circuit diagram list PWB assembly REMOTE PWB assembly MAIN 6 POWER UNIT BALLAST 1 PWB assembly MAIN 7 POWER UNIT BALLAST 2 PWB assembly MAIN 8 POWER UNIT CIRCUIT PWB assembly MAIN 9...
  • Page 76 All manuals and user guides at all-guides.com CPX1 YK No.0576E QR69691 Printed in Japan (JE)

This manual is also suitable for:

M1-20

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