Mitsubishi S290U Manuel utilisateur

MODEL

S290U

LCD PROJECTOR

LC19 CHASSIS

CAUTION

Before servicing this chassis, it is important that the service person reads the “SAFETY PRECAUTIONS” and “PRODUCT

SAFETY NOTICE” in this service manual.

SPECIFICATIONS

2001

• Power Input

• Rated Input

• LCD Panel

• Projection Lens

• Light Source

Lamp

• Picture Size

• Speaker

• S-Video Input

• Video Input

• Audio Input

• Analog RGB

Input

• Cabinet

Dimensions

• Weight

• Length of

Power Cord

: AC 100 to

240

V ; 50 / 60 Hz

: 2.9 A

1.3 inch LCD panel: 3 pieces (for R,G,B)

Pixels 800 ×600= 480,000 pixels

Total 1,440,000 pixels

Active pixel rate: 99.99 % or more

(each panel)

: F 1.8 to 2.2 f = 52 to 66 mm

: 190 W NSH

: aspect ratio 4:3 40 to 300 inch

: 2.36”square type (8 Ω2 W), 2 pcs.

: Luminance signal: 1.0 V(p-p) 75 Ω

(negative sync.)

Chroma signal: 0.286 V(p-p) 75 Ω

(burst signal)

: 1.0 V(p-p) 75 Ω(negative sync.)

: 350 mV(rms), 10 kΩor more

: Mini D-SUB 15P

RGB: 0.7 V(p-p) 75 Ω(negative sync.)

: 1.0 V(p-p)(Y) (negative sync.)

CBCR: 0.7 V(p-p)

HD/CS: TTL level (positive or negative)

VD: TTL level (positive or negative)

: 11.8”(W) ×5”(H) ×14.4”(D)

(299 ×127 ×367 mm)

(Legs and lens are not included.)

: Approx. 13.2 lbs (6.0 kg)

: 114 inch (2.9 m)

•Weight and dimensions shown are approximate.

•Design and specifications are subject to change without notice.

MITSUBISHI ELECTRIC

MITSUBISHI

This product is provided with the self-diagnosis function. In case of any abnormality, the LED at the top of the product will

indicate the errors.

Diagnosis method : Every time the main power is turned on, the SW is turned on and each sensor is checked for any

errors in 4 seconds. The POWER LED remains red during the check.

Diagnosis result indication :

LED indication and failures are shown in the following table. LED can be reset “automatically” or

“by turning on/off of the main power” when the fault detection is finished.

--- : LED off Orange : Both Red and Green light

Red flash N :

The cycle that Red flashes N times and goes out for fixed time is repeated.

DIAGNOSIS INFORMATION

Preferen-

tial order

Symptom

The front fan

stops.

The front fan

is operating.

No power-on

Failure

AC system (Primary

power source) failure

STBY power

Microcomputer is not

operating

PI0 is not operating

Main

Power

Main

Power

Main

Power

Main

Power

POWER

MAIN

INLET

POWER

PFC

MAIN

STBY5 (SD 2pin),

STBY3.3 (SD 6pin or

TPST3.3),

STBY2.5 (TPST2.5)

IC417 (RESET),

X403 (100MHz),

X402 (40MHz)

IC7A0 (PIO0)

SCL3, SDA3

MEMBRANE failure Main

Power

MAIN

MENBRANE

ST Connector,

Replace the Membrane switch

IIC bus failure

(EEPROM) AutoMAIN IC414 (EEPROM)

SCL1, SDA1

Reset

Check Point

PCB Reference

LED Indication

POWER

--- --- ---

Red/Green

alternately

Green Red

No power-on PI01 operation failure

IIC bus failure

Main

Power

MAIN IC7A2 (PIO1)

SCL3, SDA3

Red/Green

alternately

Green Red

flash

No power-on PI02 operation failure

IIC bus failure

Main

Power

MAIN IC7A3 (PIO2)

SCL3, SDA3

Red/Green

alternately

Green Red

flash 2

No power-on PI03 operation failure

IIC bus failure

Main

Power

POWER SUB

IC9A5 (PIO3)

SCL3, SDA3

Red/Green

alternately

Green Red

flash 3

No power-on PI04 operation failure

IIC bus failure

Main

Power

AUDIO/MOTOR

IC9W0 (PIO4)

SCL3, SDA3

Red/Green

alternately

Green Red

flash 4

No power-on PI05 operation failure

IIC bus failure

Main

Power

TERMINAL IC305 (PIO5)

SCL3, SDA3

Red/Green

alternately

Green Red

flash 5

No power-on STBY power failure Main

Power

POWER SUB

MAIN

TERMINAL

SP Connector

STBYR5 (SP 6pin)

Red/Green

alternately

Orange Red

flash

No power-on SW power failure 3 Main

Power

POWER

MAIN

SD Connector

SW3.3 (SD 8pin)

Red/Green

alternately

Orange

Red

flash

LAMP TEMP

LED Error Indication List

Preferen-

tial order

Symptom

No power-on

Failure

SW power failure 2

Main

Power

POWER SUB

AUDIO/MOTOR

MAIN

SP Connector

SW5A (SP 2pin)

SW12 (SP 4pin)

STBY12 (SP 7pin)

Reset

Check Point

PCB Reference

LED Indication

POWER

Red/Green

alternately

Orange

Red

flash

No power-on

SW power failure 1

Main

Power

POWER SUB

MAIN

SC Connector

SW15.5 (SC 2pin)

SW12 (SC 4pin)

SW5A (SC 6pin)

Red/Green

alternately

Orange Red

flash 4

No power-on

FAN STOP : Intake fan

(bottom)

Main

Power

AUDIO/MOTOR

MH Connector

Red/Green

alternately

Red Red

flash

No power-on

FAN STOP : Exhaust fan

Main

Power

AUDIO/MOTOR

MK Connector

Red/Green

alternately

Red Red

flash 2

No power-on

FAN STOP : Intake fan

(front)

Main

Power

POWER SUB

NA Connector

Red/Green

alternately

Red Red

flash 3

No power-on

LAMP COVER open

(POWER-ON prohibited

for safety)

Auto

POWER SUB

NX Connector (3pin)

LAMP COVER

Red/Green

alternately

--- ---

No power-on

FILTER COVER 1 open

(for dust-in prevention)

Auto

POWER SUB

NX Connector (5pin)

FILTER COVER

(Bottom)

Red/Green

alternately

--- ---

No power-on

FILTER COVER 2 open

(for dust-in prevention)

Auto

POWER SUB

NY Connector (2pin)

FILTER COVER

(Front)

Red/Green

alternately

--- ---

No power-on

Missing thermistor (Lamp)

AutoMAIN SZ Connector (8pin)

Red/Green

alternately

--- Red

flash

No power-on

IIC bus failure (Decoder)

AutoMAIN IC2A2 (DECODER)

SCL2, SDA2

Red/Green

alternately

Green Red

flash 6

No power-on

High intake air temperature

(outside air temperature)

Auto

Room temperature not

conforming to the

specification.

No power-on

after power-

off during

power-on

High intake air

temperature (outside air

temperature)

Auto

Room temperature not

conforming to the

specification.

Red --- Red

flash

No power-on

after power-

off during

power-on

High temperature around

the Lamp

Auto

Covered vent

Red ---

Red

flash

No power-on

after power-

off during

power-on

High temperature around

the PBS (LCD)

Auto

Clogged intake at the

bottom.

Red ---

Red

flash

Warning

indicated by

the LED

during STBY

Warning that the end of

Lamp's life span is near

(1500 to 2000h)

Manual

Not a malfunction

Red Red

flash ---

Warning

indicated by the

LED during

power-on

Warning that the end of

Lamp's life span is near

(1500 to 2000h)

Manual

Not a malfunction

Green

Red/Green

alternately

---

No power-on

power-on

prohibited due

to the end of Lamp's life

span (more than 2000h)

Manual

Replace the lamp and reset the lamp time.

(Press the “POWER”, “”and “”

buttons at the same time.)

Red Red ---

No power-on

after power-

off during

power-on

Much difference of the

intake air temperature and

the temperature around

the PBS (closed inlet)

Auto

Clogged intakes

(front , bottom)

Red ---

Red

flash

LAMP TEMP

This projector can be controlled by connecting a personal computer with RS-232C terminal.

Functions can be controlled by a personal computer:

•Turn the ON or OFF

•Changing input signals

•Button input by remote control or control panel

•Reading warning data

•Menu setting

Connection

Projector + IBM PC or IBM PC compatibles

Note: If your PC (IBM or IBM compatible) is equipped only with a 25-pin serial port connector, a 25-pin serial port adapter is

required. Contact your dealer for details.

CONTROL THIS PROJECTOR BY USING A PERSONAL COMPUTER

RS-232C cable

to RS-232C

terminal

to Com1

Comport

D-SUB 9P D-SUB 9P

to RS-232C

terminal

RS-232C adaptor

for Macintosh (option)

to modem port

or printer port

D-SUB 9P D-SUB 9PD-SUB 9PMini DIN 8P

PROTOCOL RS-232C

BAUD RATE 9600 [bps]

DATA LENGTH 8 [bits]

PARITY BIT NONE

STOP BIT 1 [bits]

FLOW CONTROL NONE

1) Interface

This projector uses RXD,TXD and GND lines for RS-232C control.

For RS-232C cable, the reverse type cable should be used.

2) Control command diagram

` The command is structured by the address code, function code, data code and end code. The length of the command is

different by each function.

[Address code] 30h 30h (In ASCII code,‘0’‘0’) fixed.

[Function code] A code of each fixed control move.

[Data code] A code of each fixed control data (number) and not always indicated.

[End code] 0Dh (In ASCII code, ‘’)fixed.

Address code Function code Data code End code

HEX 30h 30h Function Data 0Dh

ASCII ‘0’‘0’Function Data

3) Warning commands

Read the past warning data.The personal computer doesn’t attach the data code onto the warning commands to send.

On the other hand, the projector which has received a command attaches the warning data as the data code to reply.

The past data

Ep* (*is 7 digits, hexadecimal notation)

*= (MBS) b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24, b25, 0,

0, 0 (LSB)

b1=Operation time (during boot up ‘0’/ when the power is ON, ‘1’)

b2=Communication error between microcomputer and IC PIO1

b3=Communication error between microcomputer and IC PIO2

b4=Communication error between microcomputer and IC PIO3

b5=Communication error between microcomputer and IC PIO4

b6=Communication error between microcomputer and IC PIO5

b7=Stand-by power short

b8=Switch power short (SC connector)

b9=Switch power short (SP connector)

b10=Switch power short (SD connector)

b11=The air inlet fan is stopped

b12=The air outlet fan is stopped

b13=The power fan is stopped

b14=The audio fan is stopped (This fan is not installed.)

b15=The lamp cover is not closed

b16=The filter cover (bottom) is not closed

b17=The filter cover (front) is not closed

b18=The temperature sensor is off (SZ connector)

b19=Communication error between microcomputer and decoder

b20=Abnormal temperature (outside)

b21=Abnormal temperature (lamp)

b22=Abnormal temperature (LCD)

b23=Abnormal temperature (The difference value of lamp from outside)

b24=The life of a lamp

b25=The lamp is not illuminating.

[Example 1] The outlet fan was down when the power was ON and the newest past data of the warning was confirmed.

* : ‘8’‘2’‘0’‘0’‘0’‘0’mean the numbers as shown below

b1=1 (The power is ON), b12=1 (The outlet fan is stopped), Other=0

ASCII HEX

past data 1 (newest) Ep1 45h 70h 31h

past data 2 Ep2 45h 70h 32h

past data 3 Ep3 45h 70h 33h

clear past data Ec 45h 63h

Sending commands

from the PC etc.

Status code from

projector Meaning

30 30 45 70 31 OD

‘0’‘0’‘E’‘p’‘1’‘’ Command to confirm past data

30 30 45 70 38 30 31 30 30 30 30 OD

‘0’‘0’‘E’‘p’‘1’‘8’‘0’‘1’‘0’‘0’‘0’‘0’‘’*

Warning command (Outlet fan is stopped when

the power is ON) carried out

Bit b1 b2 b3 b4 b5 b6 b7 b8 b9 b10 b11 b12

b13 b14 b15 b16 b17 b18 b19 b20 b21 b22 b23 b24 b25

000

ASCII 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0000

HEX 8010000

PCGC Ver.6 has two versions, for XGA screen and for SVGA screen. Only the sizes of the letters in the dialog boxes are

different between them. Choose either version depending on the monitor screen of the personal computer.

USING THE WARNING HISTORY RECOGNITION SOFTWARE (PCGCe Ver.6)

1. Before starting-up the program

1. Connect the projector to the personal computer with the attached RS-232C cable.

2. Copy the folder [PCGC6E] in the CD-ROM drive into the [Windows] folder in the Windows drive.

2. Start-up of the program

1. Double-click the [Windows] folder copied in the Windows drive and the file [PCGC6E(XGA).exe] or [PCGC6E(SVGA).exe] to

start up the program.

2. After the start-up, the program opens the serial port and starts corresponding with the projector, in accordance with the

specifications.

3. Recognizing of the warning data

After the program starting, the warning data will be automatically recognized from the projector and indicated on the Main

Dialogue.

An error item on the screen will be displayed in red and a corresponding check box will be marked. If the warning data is not

correctly recognized, there will be no indication.

4. [CURRENT ERROR] button

For recognition of the latest warning data.

5. [History1] button

For recognition of the previous warning data by one.

6. [History2] button

For recognition of the previous warning data by two.

7. [CLEAR] button

Press the [CLEAR] button to send the command to the

projector and clear the warning history.

8. [DETAIL] button

Details of an error are displayed on the NotePad. You can

save them with a new name.

9. Occurrence of correspondence error

Check the main power of the projector and the Comm. port which is connected with the cable in case of communication error or

no response from the projector.

10. Termination of the program

Press the [CLOSE] button to terminate the program.

Main Dialogue

CURRENT ERROR HISTORY 1

CLOSEDETAILCLEAR

HISTORY 2

ELECTRICAL ADJUSTMENTS

HDISP

HBP

HDW VDISP

VBP

VDW

HD signal VD signal

Program

Pattern

No.

01 White Raster

03 Green Raster

12 White Raster 50%

Every other Horizontal Line (Red)

Every other Horizontal Line (Green)

Every other Horizontal Line (Blue)

35 SMPTE (R)

36 SMPTE (G)

37 SMPTE (B)

DOT-CLOCK [MHz] 40.0 VP [H] 628

HP [DOT] 1056 VDISP [H] 600

HDISP [DOT] 800 VDW [H] 4

HDW [DOT] 128 VBP [H] 23

HBP [DOT] 88 Interlace ---

Signal Polarity HD : +, VD : +

Program ROM : LC12 Ver. 1.2 Timing of SVGA signal (Vertical Frequency 60Hz)

H Timing V Timing

SVGA

Signal

Generator

this PROJECTOR

(S290U)

Personal

Computer

Monitor for

Personal

Computer

RS-232C Cable

RS-232C Input

Terminal

COMPUTER IN

Terminal

Use communication program [Hyper Terminal] of Microsoft®Windows®

95 Operating system for every circuit adjustment of this product.

Either Windows®95 or Windows®98 can be applied to the ones

described as Microsoft®Windows®95.

¢¢Necessary Equipment and Connecting

Connect the following equipment as shown in the right figure.

•this PROJECTOR (S290U)

•Personal Computer (with Microsoft®Windows®95 Operating

System)

•RS-232C Cable

•SVGA Signal Generator (Equivalent to VG-814)

•Monitor for Personal Computer

¢¢Test Signal

•SVGA signal (Vertical frequency 60Hz)

The timing and patterns for the adjustment are as follows :

¢¢Adjustment with Microsoft®Windows®95 Operating System

1. Starting

1. Start Windows95.

2. Double click [Accessories] folder.

3. Double click [Hyper Terminal] folder.

4. Double click [HyperTrm] icon.

2. Hyper Terminal Setting

1. Click [Properties] in File menu on the Hyper

Terminal window.

[Connection Properties] window will open.

Set as follows on this window.

2. Click [Call] in communication menu on the

window to connect this PROJECTOR.

3. Adjustment

Enter the adjustment command and the adjustment value on the Hyper Terminal window in small alphanumeric letters with

keyboard and press the enter key.

4. Writing Adjustment Value

Enter the writing command and the adjustment value on the Hyper Terminal window in small alphanumeric letters with keyboard

and press the enter key.

Note: This operation is not necessary for adjustment 1 (Clamp Level) and 2 (A/D Convertor) of automatic adjustment.

5. Close Window

Click the closing button placed upper right of the window to close the Hyper Terminal.

Close Windows95 after closing all opened windows.

Item Setting

Connect using Port (COM1-COM4)

Port settings : Bits per second 9600

: Data bits 8 bit

: Parity None

: Stop bits 1

: Flow control None

Settings : Emulation VT100

ASCII setup : ASCII Sending Send line ends with line feeds

Echo typed characters locally

Line delay : 1000 milliseconds

Character delay : 10 milliseconds

: ASCII Receiving

Append line feeds to incoming line ends

Adjustment purpose

[A/D Pre-Amplification Circuit]

1. Clamp Level

Symptom when

incorrectly adjusted

Measuring

instrument

Test point

EXT trigger

Measurement

range

Input signal

Input terminal

To set DC level of a picture signal to be entered to A/D converter.

Monochrome picture has a color tint.

---

SVGA signal

(Green,No.03)

COMPUTER IN terminal

* Enter the adjustment command in small alphanumeric letters.

1. Connect this PROJECTOR to a personal computer (with MicrosoftWindows

95 Operating System). (Refer to the figure on P.1)

2. Start MicrosoftWindows95 in the personal computer.

3. Start the communication program [Hyper Terminal] in MicrosoftWindows 95

to open the window. (For setting, refer to Hyper Terminal setting on P.2)

COMPONENT VIDEO

4. Supply an SVGA signal (Green, No. 03).

5. Enter [00~71] (VIDEO input clamp adjustment command) to the Hyper

Terminal window and automatic adjustment will start.

6. The return command [00~7111] is displayed on the Hyper Terminal Window

after the adjustment. The last 2 figures of the return command indicate the

adjustment result and each figure corresponds to R-Y and B-Y. The figure, 1

means the adjustment has been successful. The figure, 0 means that the

adjustment has failed caused by faults on PCBs, wrong signals or wrong input

selection.

Adjustment Procedures

Adjustment purpose

[A/D Pre-Amplification Circuit]

2. A/D Convertor

Symptom when

incorrectly adjusted

Measuring

instrument

Test point

EXT trigger

Measurement

range

Input signal

Input terminal

To set amplitude of a video signal to be entered to A/D converter.

Monochrome picture has a color tint.

---

SVGA signal

(White 100%, No. 01)

COMPUTER IN terminal

* This adjustment must follow item 1 (Clamp Level).

* Enter the adjustment command in small alphanumeric letters.

1. Connect this PROJECTOR to a personal computer (with MicrosoftWindows

95 Operating System). (Refer to the figure on P.1)

2. Start MicrosoftWindows95 in the personal computer.

3. Start the communication program [Hyper Terminal] in MicrosoftWindows 95

to open the window. (For setting, refer to Hyper Terminal setting on P.2)

RGB

4. Supply an SVGA signal (White 100%, No. 01).

5. Enter [00~5] (A/D adjustment command) to the Hyper Terminal window and

automatic adjustment will start.

6. The return command [00~5111] is displayed on the Hyper Terminal Window

after the adjustment. The last 3 figures of the return command indicate the

result of adjustment and each figure corresponds to R, G, and B. in order. The

figure, 1 means that the adjustment has been successful. The figure, 0 means

that the adjustment has failed caused by faults on PCBs, wrong signals or

wrong input selection.

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