Hitachi CP-X960WA Service Manual
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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 liquid crystal 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 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 ass'y is likely to be damaged. If replacing to the LCD module ass'y, do not hold the FPC of
the LCD module ass'y.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Liquid Crystal Projector
July 2000 Digital Media Systems Division
YK
Caution
Service Warning
Contents
2
2
3
9
10.Connector connection diagram
13
21
No. 0506E
CP-X960WA
CP-X970W
24
25
27
66
67
69
Table of Contents
Related Manuals for Hitachi CP-X960WA
Summary of Contents for Hitachi CP-X960WA
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Page 1: Table Of Contents
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 liquid crystal projector. Be sure to read cautionary items described in the manual to maintain safety before servicing. - Page 2 ALL PRODUCTS CE MARK Before any service is performed on the chassis an 1. HITACHI products may contain the CE mark on isolation transformer should be inserted between the the rating plate indicating that the product power line and the product.
- Page 3 POUR TOUS LES PRODUITS LABEL CE Avant d’effectuer une intervention d’entretien sur le 1. Les produits HITACHI peuvent avoir reçu le label châssis, vous devez insérer un transformateur d’isolement CE qui figure sur la plaque signalétique pour indiquer entre la ligne d’alimentation électrique et le produit.
- Page 4 Hochspannung sollte immer auf den festgelegten Der Gebrauch von Ersatzteilen, die nicht dieselben Wert des Gehäuses beschränkt bleiben und nicht Sicherheitsmerkmale haben wie die empfohlenen mehr. Betrieb bei höherer Spannung kann zum HITACHI Ersatzteile, wie sie in der Ersatzteilliste Versagen Bildröhre oder hoher aufgeführt sind, kann zu elektrischem Schlag, Feuer,...
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Page 5: Features
CP-X960WA CP-X970W 1. Features High brightness, High resolution Compact size, light weight for portability RGB output terminal RS232C Communication Mouse emulation Power zoom and power focus functions Complies with VESA DDC1/2B specifications Auto-adjustment function 2. Specifications Drive system TFT active matrix... -
Page 6: Names Of Each Part
CP-X960WA CP-X970W 3. Names of each part Main unit FOCUS button Used to adjust the focus of the image on the screen. ZOOM button INPUT button Used to adjust the size of the image. Press this button to switch the input. The... - Page 7 CP-X960WA CP-X970W Remote control photoreceptor Main power switch Used to turn the power on and off. : OFF : ON AC IN jack Used to connect the accessory power cord. VIDEO IN jack Caution Connecting to the AC IN jack...
- Page 8 CP-X960WA CP-X970W Remote control transmitter VIDEO, RGB button Press to switch the input. LASER button Turns the laser beam on and off. VIDEO STANDBY / ON button LASER Used to turn the power on and off. STANDBY/ON POSITION Press for 1 sec. or more to turn the power off POSITION button* (enter standby status).
- Page 9 CP-X960WA CP-X970W Function for service Function Operation Press the RESET button of the projector or the TIMER Displayed the operating time of the lamp button of the remote control, for 3 seconds. Press the RESET button of the projector or the remote Reset the operating time of the lamp control MENU, for 3 seconds.
- Page 10 CP-X960WA CP-X970W Message table On-screen display The following messages are displayed on the screen. "CHANGE THE LAMP" Lamp has 1,700 hours on it and may need to be changed. "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "CHANGE THE LAMP" "AFTER REPLACING LAMP, Lamp has 1,979 hours on it.
- Page 11 CP-X960WA CP-X970W Indicator display The POWER indicator, LAMP indicator and TEMP indicator will light or blink in the following cases. Remedy POWER indicator LAMP indicator TEMP indicator Meaning Lights orange Standby mode Goes off Goes off Goes off Goes off...
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Page 12: Adjustment
CP-X960WA CP-X970W 4. Adjustment 4 - 1 Before adjusting 1. Before starting adjustment, warm up the projector 4. Perform all adjustments from the Adjustment menu. for about 10 min. Perform the following operations to display the 2. Set Zoom Wide to Max. and project an image a Adjustment menu. - Page 13 CP-X960WA CP-X970W 4 - 4 Ghost adjustment Adjustment preparations Adjustment procedure 1. Make this adjustment after completing the 1. Display the R primary color signal and then use adjustment in "4-3 SUB POSITION adjustment". S/H - GHOST-R: in the Adjustment menu to adjust 2.
- Page 14 CP-X960WA CP-X970W 4 - 7 White balance adjustment Adjustment procedure 1. Make this adjustment after completing the 6. Switch to a 0.52Vp-p white signal. adjustment in 4-6 NRSH adjustment. 7. Use DAC-P - SUB BRIGHT - R: and DAC-P - SUB 2.
- Page 15 CP-X960WA CP-X970W Adjustment procedure 1. Use the XGA VESA (60) timing signal to input a 6. Next, measure the color coordinates of adjustment 0.35Vp-p G primary color signal. point No. 2, and then adjust No. 2 A: and B: until 2.
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Page 16: Troubleshooting
CP-X960WA CP-X970W 5. Troubleshooting Check points at trouble shooting PWB ass'y input terminal video EVS1 TERMINAL PANEL PROJECTION LENS CHK0082 EINF EBAR CHK0041 CHK0043 EDI1 CHK0044 CHK0038 PWB ass'y MAIN CHK0039 CHK0042 CHK0040 EMD1 EDS1 ETEP ELC1 ELMF EBAF CHK055... - Page 17 CP-X960WA CP-X970W Power can not be turned on voltage input at pins of EDS1 on the PWB ass'y main at standby mode? Power unit (circuit) PWB ass'y FILTER Fuse : (CHK0082) :+12.5V : (CHK0041) :+6.6V : (CHK0043) :+17.0V Measure Disconnect...
- Page 18 CP-X960WA CP-X970W Lamp does not light What is the state of Blinks Is the Lamp cover Light Set the Lamp cover LAMP indicator set? during operation? Not light Not light Change the lamp. Does Lamp light? Power unit (ballast) Is the Lamp...
- Page 19 CP-X960WA CP-X970W Picture is not displayed only when the RGB signal is input Check at operating mode picture displayed either selected RGB1 or RGB2? Is the 1/2 selected signal changed at pin (CHK007) of EDI1 on the PWB ass'y main? PWB ass'y main "L"=RGB1, "H"=RGB2...
- Page 20 CP-X960WA CP-X970W Picture is not displayed only when the VIDEO signal is input Check at operating mode a voltage input at pin EVSI on the PWB ass'y input terminal VIDEO? Power unit PWB ass'y signal (circuit) Are the input signals...
- Page 21 CP-X960WA CP-X970W Picture is not displayed (both RGB and VIDEO input) Check at operating mode with RGB1 or 2 input voltage input at pins of EDS1 on the PWB ass'y main? PWB ass'y signal Power unit (circuit) PWB ass'y input terminal RGB : (CHK0041) : +6.6V...
- Page 22 CP-X960WA CP-X970W No sound Check at operating mode No sound when VIDEO signal input (Sound is heard when RGB signal input) the audio signal output at pins of EVS1 on the PWB PWB ass'y input terminal VIDEO ass'y input terminal...
- Page 23 CP-X960WA CP-X970W Can not control to USB mouse Is the voltage at pin (CHK0019) of EDI1 on the PWB ass’y main set to "H"? PWB ass’y main PWB ass’y input terminalRGB – 20 –...
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Page 24: Service Points
Therefore, regarding these parts, you can either replace part , LCD / Lens Prism Ass'y, or send the whole unit LCD / Lens Prism Ass'y 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 25 CP-X960WA CP-X970W 6 - 2 About Lamp Replacement Light source lamp has a service life. The picture will become dark or color will be poor when the lamp is used for a long time. If usage of lamp is continued in such cases, it could cause a malfunction. Replace lamp with new one.
- Page 26 CP-X960WA CP-X970W 4. Replace the lamp with new one and fix it using the same two screws. • Firmly tighten the lamp screws. Loose screws may cause bad Screw connection of the connector which in turn may result in malfunctioning.
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Page 27: Block Diagram
CP-X960WA CP-X970W 7. Block diagram – 24 –... -
Page 28: Wiring Diagram
CP-X960WA CP-X970W 8. Wiring diagram P3S P902 ELMF EBAF ELC1 ETEP – 25 –... - Page 29 CNFAN must extend beyond the projection lens. Don't pass through the Power Supply PWB holder cutout. Cabinet wiring clamp Pass through the Optical Unit gap, using care to avoid pinching. Adjustment foot screw DC FAN (INTAKE) THERMISTER Pass the 2 cables through the Keep the twisted loop away to POWER UNIT cable cutout in the front panel...
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Page 30: Basic Circuit Diagram
CP-X960WA CP-X970W 9. Basic circuit diagram Parts with hatching are not mounted. – 27 –... - Page 31 POWER UNIT (CIRCUIT) 2/2...
- Page 32 CP-X960WA CP-X970W – 29 –...
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Page 33: Disassembly Diagram
CP-X960WA CP-X970W 11. Disassembly diagram ( l ) PC+ABS ( l ) ( l ) ( j ) ( f ) Remove a FRONT COVER ASS'Y before you remove a UPPER CASE ASS'Y PC+ABS PC+ABS – 67 –... - Page 34 CP-X960WA CP-X970W ( j ) ( i ) PC+GF ( i ) PC+GF PC+ABS PC+ABS – 68 –...
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Page 35: Replacement Parts List
DESCRIPTION DESCRIPTION JP03565 PWB ASS'Y OPERATION LENS P3 ASS'Y(REPAIR) MU00841 FOOT P3 HA00611 POWER UNIT(CIRCUIT) QD09122 UPPER CASE ASS'Y (only CP-X960WA) JP03562 PWB ASS'Y SIGNAL QD09324 UPPER CASE ASS'Y (only CP-X970W) NJ03662 PWB HOLDER JP03566 PWB ASS'Y TEMPERATURE 2722448 FUSE... - Page 36 !"#$%&'()%*+ ,-%))% "#./ 0,1$2 ,,1.3. 4( "1. "5#61 '70 ,-%&2(8% 09-%&2(%4'2 ,-%8'8()%%% ,-. 1:,5"; 5&"5 09-%8'8()(%% ,-5"1&1:5; 5&"5 ! "# 1' 1<1,%& (%(4 ",.1= %'%' 15, $ ,-%2% ,-%2)(%2%...