Hitachi ED-S3170A 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 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 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.

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 ------------------------------------ 11

6. Service points -------------------------------------- 16

7. Wiring diagram ------------------------------------- 29

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Multimedia LCD Projector

January 2003 Digital Media Division

ED-S3170A

ED-X3270A

Caution

Service Warning

Contents

8. Disassembly diagram----------------------------- 35

9. Replacement parts list---------------------------- 37

10.RS-232C communication ------------------------ 38

11.Block diagram -------------------------------------- 44

12.Connector connection diagram ---------------- 45

13.Basic circuit diagram------------------------------ 46

No.0532E

(C3S3E)

(C3XM3E)

Table of Contents

Summary of Contents for Hitachi ED-S3170A

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 LCD Projector. Be sure to read cautionary items described in the manual to maintain safety before servicing.
Page 2: Features
ED-S3170A/ED-X3270A 1. Features 1,500 ANSI lumens, 2.7kg(6lbs) Full connectivity Easy and flexible keystone adjustment My screen Wide angle lens Low noise 2. Specifications �� ...
Page 3: Names Of Each Part
ED-S3170A/ED-X3270A 3. Names of each part Parts names �� ...
Page 4: Remote Control Transmitter
ED-S3170A/ED-X3270A �� ...
Page 5: Adjustment
ED-S3170A/ED-X3270A 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 3. In the same way, use DAC-P - V.COM-G: in the Adjustment menu to adjust the G color flicker. 4. In the same way, use DAC-P - V.COM-B: in the Adjustment menu to adjust the B color flicker. ED-S3170A ONLY 4-4 PSIG-G adjustment (vertical stripe adjustment) Signals for internal adjustment Adjustment procedure 1.
Page 7 ED-S3170A/ED-X3270A ED-X3270A 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 ��...
Page 8: Color Uniformity Adjustment
ED-S3170A/ED-X3270A 4-6 Color uniformity adjustment Preparations 1. Perform these adjustments after the white 6. To temporarily turn correction off, place the balance adjustment described in Section 4-5. cursor on “ON” in the Adjust Tone menu and 2. Make a color uniformity adjustment for the press the [ ] key.
Page 9 ED-S3170A/ED-X3270A 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.
Page 10: Adjustment Procedure
ED-S3170A/ED-X3270A Adjustment procedure 2 (visual inspection) 1. First adjust [MIN] tone [G:]. 6. View measurement points [No.2], [No.3], 2. Select [No.2] [G:]. [No.10] and [No.11]. Adjust the [R] and [B] of each measurement point so that they have the If the background is [G] monochrome, press the [MENU SELECT] key on the Remote control same color as measurement point [No.1].
Page 11: Troubleshooting
ED-S3170A/ED-X3270A 5. Troubleshooting Check points at trouble shooting �� ...
Page 12 ED-S3170A/ED-X3270A �� ...
Page 13 ED-S3170A/ED-X3270A �� ...
Page 14 ED-S3170A/ED-X3270A �� ...
Page 15 ED-S3170A/ED-X3270A �� ...
Page 16: Service Points
ED-S3170A/ED-X3270A 6. Service points 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 17 ED-S3170A/ED-X3270A 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 Input. 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 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 19: Caring For The Air Filter
�� (Select RESET on the menu with the button.) Lamp ( Option Lamp: DT00511(ED-S3170A) / DT00521(ED-X3270A)) �� DT00511 for ED-S3170/DT00521 for ED-X3270 � � �� ...
Page 20: Replacing The Lamp
ED-S3170A/ED-X3270A Replacing the Lamp �� ...
Page 21: Resetting The Lamp Timer
ED-S3170A/ED-X3270A 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 ten minutes of switching power ON.
Page 22 ED-S3170A/ED-X3270A 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 23 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 24: Related Messages
ED-S3170A/ED-X3270A Related Messages �� ...
Page 25: Regarding The Indicator Lamps
ED-S3170A/ED-X3270A Regarding the Indicator Lamps �� ...
Page 26: Service Menu
ED-S3170A/ED-X3270A 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.
Page 27 ED-S3170A/ED-X3270A Setup of Filter time (“ON” or “OFF”) 1. Select the “FILTER TIME” on the OSD using button “ ” by the SERVICE MENU. �� ...
Page 28 ED-S3170A/ED-X3270A Set operating time display method (accumulated lamp time display method) 1. Select [Option] from the [Menu] display, then select [Lamp Time]. 2. Press the [Reset] button once, then press [Keystone] for 3 seconds or more to display the screen shown below.
Page 29: Wiring Diagram
ED-S3170A/ED-X3270A 7. Wiring diagram �� ...
Page 30 ED-S3170A/ED-X3270A...
Page 31 ED-S3170A/ED-X3270A...
Page 32 ED-S3170A/ED-X3270A...
Page 33 ED-S3170A/ED-X3270A...
Page 34 ED-S3170A/ED-X3270A...
Page 35: Disassembly Diagram
ED-S3170A/ED-X3270A 8. Disassembly diagram M : Meter screw T : Tapping screw �� ...
Page 36 ED-S3170A/ED-X3270A M : Meter screw � T : Tapping screw �� ...
Page 37: Replacement Parts List
ED-S3170A/ED-X3270A 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 receiver through improper servicing.
Page 38: Rs-232C Communication
ED-S3170A/ED-X3270A 10. RS-232C communication �� ...
Page 39 ED-S3170A/ED-X3270A �� ...
Page 40: Command Data Chart
ED-S3170A/ED-X3270A Command data chart �� ...
Page 41 ED-S3170A/ED-X3270A Command data chart �� ...
Page 42 ED-S3170A/ED-X3270A Command data chart �� ...
Page 43 ED-S3170A/ED-X3270A Command data chart �� ...
Page 44: Block Diagram
ED-S3170A/ED-X3270A 11. Block diagram...
Page 45: Connector Connection Diagram
ED-S3170A/ED-X3270A 12. Connector connection diagram �� ...
Page 46: Basic Circuit Diagram
ED-S3170A/ED-X3270A 13. Basic circuit diagram Parts with hatching are not mounted. PWB assembly SENSOR (C3S3E/C3XM3E) PWB assembly SWITCH (C3S3E/C3XM3E) PWB assembly REMOTE (C3S3E/C3XM3E)
Page 47 POWER UNIT (BALLAST) (C3S3E/C3XM3E)
Page 48 POWER UNIT (CIRCUIT)(C3S3E/C3XM3E)
Page 49 PWB a ssembly DRIVE 1 (C3S3E/C3XM3E)
Page 50 PWB a ssembly DRIVE 2 (C3S3E/C3XM3E)
Page 51 PWB a ssembly DRIVE 3 (C3S3E/C3XM3E)
Page 52 PWB a ssembly DRIVE 4 (C3S3E/C3XM3E)
Page 53 PWB assembly DRIVE 5 (C3S3E/C3XM3E)
Page 54 PWB assembly DRIVE 6 (C3S3E/C3XM3E)
Page 55 PWB assembly DRIVE 7 (C3S3E/C3XM3E)
Page 56 PWB a ssembly DRIVE 8 (C3S3E/C3XM3E)
Page 57 PWB a ssembly DRIVE 9 (C3S3E/C3XM3E)
Page 58 PWB as sembly DRIVE 10 (C3S3E/C3XM3E)
Page 59 PWB assembly INPUT 1 (C3S3E/C3XM3E)
Page 60 PWB assembly INPUT 2 (C3S3E/C3XM3E)
Page 61 PWB assembly INPUT 3 (C3S3E/C3XM3E)
Page 62 MEMO MEMO...
Page 63 �� ...
Page 64 ED-S3170A YK No.0532E Digital Media Division ED-X3270A QR55911 Printed in Japan (J)

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Hitachi ED-S3170A Service Manual

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SERVICE MANUAL

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