Hitachi CP RS55 Service Manual

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2 1. Features - High Brightness - Low Noise - Compact Body 2. Specifications Liquid clystal panelDrive system TFT active matrix Panel size 1.4cm (0.55 type) Number of pixels 800 (H) x 600 (V) Lamp 165W UHB RGB signal input RGB IN Video : Analog 0.7Vp-p(75Ω termination) H/V. sync.: TTL level (positive/negative) Composite sync.: TTL level VIDEO signal input VIDEO IN 1.0Vp-p(75-�� termination) S-VIDEO IN Y signal : 1.0±0.1Vp-p, (75-�� termination) C signal : 0.286±0.1Vp-p(NTSC burst signal, 75-�� termination) 0.3±0.1Vp-p(PAL/SECAM burst signal, 75-�� terminati\ on) AUDIO IN 200mVrms, 47k-�� or more (max. 3.0Vp-p) Speaker output 1W(mono) Power supply AC100~120V/2.7A,AC220~240V/1.5A Power consumption 240W Dimensions 285 (W) x 73 (H) x 202 (D) mm (Not including protruding parts) Weight 2.2kg(4.85lbs) Temperature range Operation : 5~35°C Storage : -20~60°C Accessories Remote control x 1 RGB cable x 1 Power cords x 3 Batteries x 2Filter cover for bottom up use x 1 Users manuals x 1

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3 3. Names of each part S-VIDEOVIDEO AUDIO RGB CONTROL K Lens Lens cover Filter cover (Air filter and intake vent are inside.)Elevator button Elevator foot Remote sensor Focus ring Vent AC inlet Power switch Elevator button S-VIDEO port VIDEO port CONTROL port Projector Lamp cover (Lamp unit is inside.) Elevator foot Bottom side Speaker Front-Right side Rear-Left side Control buttons Ports (See below.) Ve n t Ports AUDIO port Restart switch RGB port Kensington lock slot NOTE (*) About Restart switch: This Projector is controlled by an internal microprocessor. Under certain exceptional circumstances, the projector may not operate correctly and the microprocessor will need to be reset. In such \ a case, please push the Restart switch by using a cocktail stick or similar and \ before turning on again, make the projector cool down at least 10 minutes witho\ ut operating. Only push the Restart switch in these exceptional instances. Part names -��

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38 Notice 1. Removes the UPPER CASE assembly (1) Turn over the projector slowly, so that the bottom is facing up.\ (2) Unscrew five tapping screws on the bottom and 2 merter screws on\ the rear. (3) Turn the focus ring in the direction shown in the figure to shif\ t the lens inward. (4) Stick a hard and thin stick into a hole (2mm in diameter) on the right\ side of the projector to unclip the UPPER CASE assembly from the BOTTOM CASE assembly. (They will be separa\ ted with about 2mm gap.) (5) Shift the hole part around the AC inlet forward and upward.