Hitachi CP-S310W Service Manual
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Hitachi CP-S310W Service Manual

Hitachi CP-S310W 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 Multimedia LDC 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 assembly is likely to be damaged. If replacing to the LCD module assembly, do not hold
the FPC of the LCD module assembly.
1. Features -------------------------------------------------- 2
2. Specifications -------------------------------------------- 2
3. Names of each part ------------------------------------ 3
4. Adjustment ----------------------------------------------- 5
5. Troubleshooting ---------------------------------------- 11
6. Service points ------------------------------------------ 17
7. Block diagram ------------------------------------------ 22
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
April 2001 Digital Media Systems Division
YK
Caution
Service Warning
Contents
8. Connector connection diagram --------------------- 23
9. Wiring diagram ----------------------------------------- 24
10.Basic circuit diagram ---------------------------------- 27
11.Disassembly diagram --------------------------------- 57
12.Replacement parts list -------------------------------- 59
13.RS-232C communication ---------------------------- 60
No. 0514E
CP-S310W

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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 Multimedia LDC Projector. Be sure to read cautionary items described in the manual to maintain safety before servicing.

  • Page 2: Features

    CP-S310W 1. Features High brightness, High resolution Compact size, light weight for portability RS-232C Communication Complies with VESA DDC1/2B specifications Auto-adjustment function 2. Specifications TFT active matrix Drive system Liquid crystal Panel size 0.9 inches panel 800 (H) × 600 (V)

  • Page 3: Names Of Each Part

    CP-S310W 3. Names of each part Main unit Speaker Zoom Knob Focus Ring Handle Hook Remote Control Sensor Power Switch Lens AC Inlet Slide Lens door (to the Power Cord) Foot Adjuster Ventilation Openings (Intake) FRONT/LEFT VIEW OF THE PROJECTOR...
  • Page 4 CP-S310W Remote control transmitter VIDEO Button RGB Button STANDBY/ON Button MENU SELECT Button Button Used to click the Button left mouse button. Button RESET Button Used to click the Button right mouse button. Used to operate the mouse shift function.

  • Page 5: Adjustment

    CP-S310W 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. (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-S310W 4 - 4 NRSH adjustment (vertical stripe adjustment) Signals for internal adjustment Adjustment procedure 1. Make this adjustment after completing the adjustment in 4-3 Flicker adjustment. 2. Use DAC-P - NRSH - R: in the Adjust menu to adjust so that the vertical lines spaced every 6 dots are as inconspicuous as possible.
  • Page 7 CP-S310W Adjustment operations (reference) 86% operation 43% operation 29% operation Adjustment Adjustment point Adjustment point point 0 14 86 100 0 14 86 100 0 14 86 100 Input signal (%) Input signal (%) Input signal (%) 14% operation 0% operation...
  • Page 8 CP-S310W Adjust menu Major adjustment lattice point position VIDEO C. UNIF. DAC-P GAMMA LEVEL Adjust Tone menu No. 1 Major adjustment lattice point No. Adjustment procedure 1 (when a color differential meter is used) 1. First adjust [MIN] tone [G:].
  • Page 9 CP-S310W 11.Then adjust [MID] tone [R] and [B]. 14.Then measure the color coordinates for adjust- Select [No. 2] [B:] and press the [MENU SELECT] ment point [No. 10] and adjust [No. 10] [R:] and [B:] key on the Remote control transmitter to change to so that the color coordinates are as follows.
  • Page 10 CP-S310W No. 2 deviation range No. 10 deviation range No. 3 deviation range No. 11 deviation range No. 4 deviation range No. 12 deviation range No. 5 deviation range No. 13 deviation range 3 11 3 11 No. 6 deviation range No.

  • Page 11: Troubleshooting

    CP-S310W 5. Troubleshooting Check points at trouble shooting ESPL E302 ESPR E803 E806 S301 E807 E800 E808 P702 P502 P602 E804 S302 S303 E802 D302 E801 D301 D303 E809 S305 S304 S307 S306 S308 EV01 E101 S309 PWB ass'y Main...
  • Page 12 CP-S310W Power can not be turned on voltage input Disconnect at pins TSW form Power unit Open E800 on the PWB ass'y (circuit). And check Main at standby TSW short or mode? open? (TP46): +14V (TP47): +17V Short (TP48): +6V (TP49): +4.3V...
  • Page 13 CP-S310W Lamp does not light What is the state of Light Light Change the lamp. Lamp LAMP indicator Does lamp light? during operation? Not Light Not light Is the voltage at L817 on the PWB ass'y Main PWB ass'y Main fixed to "L"...
  • Page 14 CP-S310W Picture is not displayed when the RGB signal is input Check at operating mode Are signal input at each pin of PWB ass'y Signal E101 on the PWB ass'y Main? : (TP1R) : R signal : (TP1G) : G signal...
  • Page 15 CP-S310W Picture is not displayed when the VIDEO Signal is input Check at operating mode voltage input at pins E800 on the PWB ass'y Main? Power unit (circuit) (TP46): +14V (TP47): +17V (TP48): +6V (TP49): +4.3V Are signal input at these...
  • Page 16 CP-S310W No sound Check at operating mode Are signal input at these pins of EV01 on the PWB ass'y Main? PWB ass'y Signal : Audio(L) : Audio(R) PWB ass'y Main Speaker Can not control to RS-232C Check at operating mode...

  • Page 17: Service Points

    CP-S310W 6. Service points Cautions when removing the PWB ass'y Main When removing the PWB ass'y Main, there is danger of damaging the connector connecting cables and the PWB ass'y Signal. 1) Disconnect 11 cables and remove 6 screws. PWB ass’y Main...
  • Page 18 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 19 CP-S310W Lamp HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE Contact your dealer before replacing the lamp. (Option lamp: DT00331) Before replacing the lamp, switch power OFF, remove the power cord from the power outlet, and wait 45 minutes until the lamp has cooled. The lamp may explode if handled at high temperatures.
  • Page 20 CP-S310W Replacing the Lamp 1. Switch the projector OFF, remove the power cord from the power outlet, and wait at least 45 minutes for the unit to cool. 2. Prepare a new lamp. 3. Check that the projector has cooled sufficiently, and gently turn it upside down.
  • Page 21 CP-S310W Message table On-screen display The following messages are displayed on the screen. "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET Lamp has 1,700 hours on it and may need to be changed. THE LAMP TIMER" "CHANGE THE LAMP" "AFTER REPLACING LAMP, Lamp has 1,979 hours on it.

  • Page 22: Block Diagram

    CP-S310W 7. Block diagram...

  • Page 23: Connector Connection Diagram

    CP-S310W 8. Connector connection diagram S-VIDEO ESM2 EV01 E302(DF13-H) CNTH Thermistor PWB ass'y MAIN C.VIDEO MOUSE E950(DF13-2P) 19 REMOTE E806 E806(DF13-H) CNRM L.IN 1 PWB 2 REMOTE 2 ass'y S.CIN P502 1 3 R/C S.YIN VDDY CVBSIN FAN1S DIRY E801 2...

  • Page 24: Wiring Diagram

    CP-S310W 9. Wiring diagram...
  • Page 25 CP-S310W...
  • Page 26 CP-S310W...

  • Page 27: Basic Circuit Diagram

    CP-S310W 10. Basic circuit diagram Parts with hatching are not mounted.
  • Page 28 CP-S310W...
  • Page 30 CP-S310W PWB ass'y SENSOR PWB ass'y SWITCH PWB ass'y REMOTE...
  • Page 31 CP-S310W (female) (female) (female) PWB ass'y SIGNAL (1)
  • Page 32 CP-S310W PWB ass'y SIGNAL (2)
  • Page 33 CP-S310W (male) Serial Mouse RS232C PWB ass'y SIGNAL (3)
  • Page 34 CP-S310W FC Bus PWB ass'y MAIN(1)
  • Page 35 CP-S310W PWB ass'y MAIN(2)
  • Page 36 CP-S310W PWB ass'y MAIN(3)
  • Page 37 CP-S310W PWB ass'y MAIN(4)
  • Page 38 CP-S310W PWB ass'y MAIN(5)
  • Page 39 CP-S310W PWB ass'y MAIN(6)
  • Page 40 CP-S310W Upside Underside Upside Contact Contact Contact PWB ass'y MAIN(7)
  • Page 41 CP-S310W PWB ass'y MAIN(8)
  • Page 42 CP-S310W FC Bus PWB ass'y MAIN(9)
  • Page 43 CP-S310W PWB ass'y MAIN(10)

  • Page 44: Disassembly Diagram

    CP-S310W 11. Disassembly diagram M : Metric screw T : Tapping screw T3X12 T3X12 M3X8 M3X65 M3X65 M3X6 M3X6...
  • Page 45 CP-S310W M3X8 M : Metric screw T : Tapping screw M3X25 M3X10 T3X12 T3X12 T3X12 T3X12 T3X12 M3X8 M3X8 T3X12 T3X10 M3X8 M3X8 M3X8 T2X5...

  • Page 46: Replacement Parts List

    CP-S310W 12. 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 receiver through improper servicing.

  • Page 47: Rs-232C Communication

    CP-S310W 13. RS-232C communication Caution The specified RS-232C cable has the user's manual with RS-232C command table. (1) Turn off the projector and computer power supplies and connect with 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 48 CP-S310W 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 49 CP-S310W Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 3B D3 01 00 00 30 00 00 Orange BE EF 06 00 AB D2 01 00 00 30 01 00 Green...
  • Page 50 CP-S310W Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 7C D2 02 00 07 30 00 00 Magnify Increment BE EF 06 00 1A D2 04 00 07 30 00 00...
  • Page 51 CP-S310W Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 2A D3 01 00 00 60 00 00 Power BE EF 06 00 BA D2 01 00 00 60 01 00 BE EF...
  • Page 52 CP-S310W Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 0D 83 02 00 00 21 00 00 V.Position Increment BE EF 06 00 6B 83 04 00 00 21 00 00...
  • Page 53 CP-S310W YK No. 0514E Digital Media Systems Division QR49461 Printed in Japan (M)

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