Hitachi C3S2A Service Manual

Multimedia lcd projector

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SERVICE MANUAL

Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radia-

tion 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 replacing the lamp, avoid burns to your fingers. The lamp becomes very 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.

6. Use the cables which are included with the projector or specified.

1. Features --------------------------------------------------- 2

2. Specifications--------------------------------------------- 2

3. Names of each part ------------------------------------- 3

4. Adjustment ------------------------------------------------ 5

5. Troubleshooting ---------------------------------------- 12

6. Service points ------------------------------------------ 17

7. Block diagram ------------------------------------------ 30

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Multimedia LCD Projector

Caution

Service Warning

Contents

October 2002 Digital Media Division

CPS225WA (C3S2A)

CPX275WA (C3X2A)

PJ501 (C3S3VS)

PJ551 (C3XM3VS)

PJ500-2 (C3S2A)

PJ550-2 (C3X2A)

8. Connector connection diagram -------------------- 31

9. Wiring diagram ----------------------------------------- 32

10.Basic circuit diagram---------------------------------- 39

11.Disassembly diagram --------------------------------- 55

12.Replacement parts list-------------------------------- 57

13.RS-232C communication ---------------------------- 58

SM0525

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Summary of Contents for Hitachi C3S2A

Page 1: Table Of Contents
Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radia- tion 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
1. Features 1,500 ANSI lumens, 2.7kg (6lbs) (PJ501, PJ551) 1,200lm, 2.49kg (5.49lbs) (CPS225WA, CPX275WA, PJ500-2, PJ550-2) Easy and flexible keystone adjustment Wide angle lens Low noise My Screen (PJ501, PJ551 only) 2. Specifications CPS225WA / PJ500-2 / PJ501 CPX275WA / PJ550-2 / PJ551 ��...
Page 3: Names Of Each Part
3. Names of each part Parts names Zoom Knob Focus Ring Remote Control Sensor Power Switch Lens Slide Lens door AC Inlet (to the Power Cord) Foot Adjuster Lens Cap (not CPS225WA Ventilation Openings or CPX275WA) (Intake) FRONT / LEFT / VIEW Control Panel LAMP Indicator RESET Button...
Page 4 SEARCH Button STANDBY/ON Button RGB Button AUTO Button VIDEO Button BLANK Button ASPECT Button MAGNIFY VOLUME Button ON Button OFF Button MUTE Button FREEZE Button KEYSTONE Button MENU Button POSITION Button [Up] Arrow Button [Left] Arrow Button [Right] Arrow Button ENTER Button RESET Button ESC (Escape) Button...
Page 5: Adjustment
4. Adjustment 4-1 Before adjusting 4-1-1 Selection of adjustment Table 4-1: Relation between the replaced part and adjustment When any parts in the table 4-1 are changed, choose �� the proffer adjusting items with the chart. �� ...
Page 6 4-3 Flicker adjustment (V.COM adjustment) Signals for internal adjustment Adjustment procedure 1. Make this adjustment after completing the adjustment in 4-2 Ghost adjustment. 2. Use DAC-P - V.COM - R: in the Adjustment menu to adjust so that the flicker at the center of the screen is less than the flicker at the periphery.
Page 7 CPX275WA, PJ550-2, PJ551 ONLY 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 Adjustment menu to adjust so that the vertical lines spaced every 6 dots ��...
Page 8 4-6 Color uniformity adjustment Preparations 1. Perform these adjustments after the white balance 6. To temporarily turn correction off, place the cursor adjustment described in Section 4-5. on “ON” in the Adjust Tone menu and press the [ ] 2. Make a color uniformity adjustment for the key.
Page 9 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 starting in order from the small number points. When the background is not [G] monochrome, This completes adjustments required for [MIN].
Page 10 Adjustment procedure 2 (visual inspection) 1. First adjust [MIN] tone [G:]. 6. View measurement points [No.2], [No.3], [No.10] 2. Select [No.2] [G:]. and [No.11]. Adjust the [R] and [B] of each If the background is [G] monochrome, press the measurement point so that they have the same [MENU SELECT] key on the Remote control color as measurement point [No.1].
Page 11 No. 2 deviation range No. 10 deviation range No. 3 deviation range No. 11 deviation range �� ...
Page 12: Troubleshooting
5. Troubleshooting Check points at trouble shooting �� ...
Page 13 �� ...
Page 14 �� ...
Page 15 �� ...
Page 16 �� ...
Page 17: Service Points
6. Service Points Cautions when removing the PWB assembly Drive When removing the PWB assembly Drive, there is danger of damaging the connector connecting cables and the PWB assembly Signal. 1) Disconnect 7 cables and remove 3 screws. PWB assembly Drive Disconnect 7 cables Remove 3 screws 2) Lift up the rearward of the PWB assembly Drive to the front.
Page 18 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 19 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 20 Air Filter �� ...
Page 21 Lamp ( Option Lamp: DT00401(CPS225WA) / DT00461(CPX275WA)) �� DT00401(CP-S225WA) / DT00461(CP-X275WA) �� ...
Page 22 Replacing the Lamp �� (sold separately: DT00401 for ��...
Page 23 Resetting the Lamp Timer Reset the lamp timer after replacing the lamp. When the lamp has been replaced after the LAMP indicator is red, or the CHANGE THE LAMP message is displayed, complete the following operation within 10 minutes of switching power ON.
Page 24 Notice of AUTO adjustment Use of AUTO adjustment with the image through RGB input optimizes VPOSI, HPOSI, HSIZE and HPHASE 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 25 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 26 Related Messages �� ...
Page 27 Indicator Messages �� ...
Page 28 SERVICE MENU To display the OSD for “SERVICE MENU” set up. By the control panel By the remote control transmitter �� 1. Display the menu by the 1. Display the menu by the �� “MENU” button. “MENU” button. �� 2.
Page 29 Setup of Filter time (“ON” or “OFF”) 1. Select the “FILTER TIME” on the OSD using button “ ” by the SERVICE MENU. �� 2.
Page 30: Block Diagram
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Page 31: Connector Connection Diagram
8. Connector Connection Diagram �� ...
Page 32: Wiring Diagram
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Page 33 �� ...
Page 34 �� ...
Page 35 �� ...
Page 36 �� ...
Page 37 �� ...
Page 38 �� ...
Page 39: Basic Circuit Diagram
10. Basic Circuit Diagram Parts with hatching are not mounted. PWB assembly SENSOR (C3S2A/C3X2A) PWB assembly LIMIT SWITCH (C3S2A/C3X2A) PWB assembly REMOTE CONTROL (C3S2A/C3X2A)
Page 40 MEMO...
Page 41 POWER UNIT (BALLAST) (C3S2A/C3X2A)
Page 42 POWER UNIT (CIRCUIT)(C3S2A/C3X2A)
Page 43 PWB assembly DRIVE 1 (C3S2A/C3X2A)
Page 44 PWB assembly DRIVE 2 (C3S2A/C3X2A)
Page 45 PWB assembly DRIVE 3 (C3S2A/C3X2A)
Page 46 PWB assembly DRIVE 4 (C3S2A/C3X2A)
Page 47 PWB assembly DRIVE 5 (C3S2A/C3X2A)
Page 48 PWB assembly DRIVE 6 (C3S2A/C3X2A)
Page 49 PWB assembly DRIVE 7 (C3S2A/C3X2A)
Page 50 PWB assembly DRIVE 8 (C3S2A/C3X2A)
Page 51 PWB assembly DRIVE 9 (C3S2A/C3X2A)
Page 52 PWB assembly DRIVE 10 (C3S2A/C3X2A)
Page 53 PWB assembly INPUT 1 (C3S2A/C3X2A)
Page 54 (socket) (plug) PWB assembly INPUT 2(C3S2A/C3X2A)
Page 55: Disassembly Diagram
11. Disassembly Diagram �� M : Meter screw T : Tapping screw �� ...
Page 56 M : Meter screw � �� T : Tapping screw �� ...
Page 57: Replacement Parts List
THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
Page 58: Rs-232C Communication
13. RS-232C communication �� ...
Page 59 �� ...
Page 60 Command data chart �� ...
Page 61 Command data chart �� ...
Page 62 Command data chart �� ...
Page 63 Command data chart �� ...
Page 64 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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Hitachi C3S2A Service Manual

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