Toshiba TDP-MT700 Bedienungsanleitung

SERVICE MANUAL

FILE NO. 330-200503

DLP PROJECTOR

TDP-MT700

Document Created in Japan May.,2005

MT700 Service Manual

MT-700

SERVICE MANUAL

Contents

1. Safety Precautions............................................................................................................. 2

2. Servicing Precautions........................................................................................................ 3

3. Specification...................................................................................................................... 4

4. Circuit Operation...............................................................................................................8

5. Alignment Procedure....................................................................................................... 23

6. Trouble Shooting Guide .................................................................................................. 34

Appendix A: Exploded View................................................................................................... 40

Appendix B: Spare Parts List.................................................................................................. 46

SPECIFICATIONSAND PARTSARE SUBJECT TO CHANGE FOR IMPROVEMENT.

CAUTION

BEFORE SERVICING THE PROJECTOR,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

MT700 Service Manual

1. Safety Precautions

1. Be sure to read this manual before servicing and save it for future reference.

2. The lamp becomes extremely hot during operation. Allow the projector to cool for

approximately 45 minutes prior to removing the lamp assembly for replacement.

Do not operate lamps beyond the rated lamp life. Excessive operation of lamps

beyond the rated life could cause them to explode on rare occasions.

3. Never replace the lamp assembly or any electronic components unless the

projector is unplugged.

4. To reduce the risk of electric shock, do not disassemble this appliance. Take it to

a qualified technician when service or repair is required. Incorrect re-assembly

can cause electric shock when the appliance is subsequently used.

5. Do not place this product on an unstable cart, stand, or table. The product may

fail, sustaining serious damage.

MT700 Service Manual

2. Servicing Precautions

1. When replace the lamp, be sure to avoid burns your fingers because 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 when turn on the projector.

4. Do not touch the exhaust fan during operation.

MT700 Service Manual

3. Specification

1.0 Optical Performance Tested under 52” (diagonal) image size unless other specified.

Measurement Details refer to Appendix A.

1.1 Lamp OSRAM P-VIP 250 lamp --250W

Minimum Typical1.2 ANSI Brightness(Spoke on)

[Base on BenQ RD Meter

CL-200] 800 Lumens 1000 Lumens

Minimum Typical1.3 Brightness Uniformity

65% 75%

1.4 Contrast Ratio

Minimum Typical1.4.1 ANSI Contrast 250:1 300:1

Minimum Typical1.4.2 FOFO Contrast

4X SLR ON Mode 1400:1 1850:1

1.5 Light Leakage

1.5.1 Light Leakage in Active

Area Dark level Gray 10 (linear gamma curve) not see any bright spot or

line(except blemish(1.1.5))

Full white pattern test; Criteria: not see special color spot

1.5.2 Light Leakage out of

Active Area Condition: the projection image diagonal60”

Test pattern : Full Black

Criteria: <0.25Lux outside active area.

1.5.3 Reflective Edge Don’t care

1.5.4 Blue Edge Condition: projector @ distance 3m and the projection image diagonal

100”

Test Pattern:(Factory /Pattern)

Criteria: Color coordinate |∆x,∆y |0.01 (difference between zone A

and B)

1.5.5 Blemish and dust Reference to TI 720P Image Quality Value Specification Appendix

D\table 1.

1.6 Color Coordinates

Based on BenQ RD PR650.

Temp duv

Min Typical Max Min Max

1.6.1 Color Temperature

6300 8800 11500 -0.005 +0.025

x y1.6.1.1 White

284 ± .03 308 ± .03

1.6.1.2 Red .650 ± .03 .330 ± .03

1.6.1.3 Green .330 ± .03 .550 ± .03

1.6.1.4 Blue .140 ± .03 .055± .03

1.7 Color Uniformity Duv

10cm

6 cm

MT700 Service Manual

1.7.1 White 0.020

1.7.2 Red 0.033

1.7.3 Green 0.020

1.7.4 Blue 0.020

1.7.5 Dark 0.030

2.0 Image Quality

2.1 Throw Ratio 102” ±5% Diagonal at 3m (Wide)

2.2 Zoom Ratio >1.35:1

2.3 Distortion

2.3.1 Horizontal TV Distortion <1.0%

2.3.2 Vertical TV Distortion <1.0%

2.3.3 E.F.L. 23.983 ~ 32.433

2.4 Projection Offset 100%

2.5 Mechanical Focus Range 1.6~8 m (Details refer to Appendix A16)

2.6 Focus

2.6.1 区Pattern

(Base on limit sample,

Test condition: Viewer stand at

3m far from the screen)

Distance 3.0m 100” for Focus test. (Tele @ the same Throw

Distance.)

(1)If uniformly focused, than pass.

(2)If critical to judge, check item 2.6.2 (flare and defocus)

Test pattern: pattern 84(Chroma)

2.6.2 Flare and Defocus Flare (B)

R <=3

G<=3

B<=3.5

Defocus (A)

R<=2.5

G<=2

B<=2

2.7 Lateral Color Test pattern: pattern 34(Chroma)

Criteria: <1 pixels

2.8 DMD Image Quality Dark pixels<=3, bright pixels =0 (See Appendix D)

3.0 Mechanical Specification In detail refer to C510

3.1 Dimensions 366 x 311 x 136 mm (L x W x H)[including adjust foot]

3.2 Weight 5.65±0.05Kgs

3.3 Security Slot Kensington compatible slot 150N break away force

3.4 Lens Cover YES

3.5 Feet Two adjustable front foot for tilt 0~6°.

4.0 Packaging Detail refer to C309 (Packing Description)

4.1 Outside Dimensions 537 x 520 x 260 mm (L x W x H)

4.2 Weight 9.7 ±0.05Kgs (Including Accessories, Projector)

4.3 Palletization 1140 x 1050 x 120 mm

5.0 Thermal Specification Maximum temperature (Ambient Deg.：5~40)

5.1 Handles,Knobs,grips.etc. and

surface Held or touched for

short periods only.

Metal:60°C

Pastic:85°C Bottom Surface: Metal:

55°C;Plastic : 70°C @25 °C

5.2 External Surface which maybe

tounch Metal:70°C ; Plastic:95°C

5.3 Exhaust Air 95°C

6.0 Environmental Adhere to Appendix B

Operating 5 ~ 40°C, without condensation

6.1 Temperature Storage -10 ~ 60°C, without condensation

Operating 10 ~90%RH, without condensation6.2 Humidity Storage 10 ~ 90%RH, without condensation

6.3 Audible Noise Level (sea Typical High mode: 31dBA @ 25°C

MT700 Service Manual

Standard mode: 28dBA @ 25°Clevel) Maximum High mode: 32dBA @ 25°C

Standard mode: 29 dBA @ 25°C

6.4 Altitude 0-5999 feet at 30°C

6000-10000 feet at 23°C

test 6000 feet above sea level@ 30°C & 10000 feet above sea level@

23°C only

Final data to be confirmed at C3 stage around mid of Nov.

6.5 Shock Non-operating, 50g, 20ms half-sine, all primary axis, 1 shock per

orientation, total of 3 shocks

6.6 Drop 76cm . Refer to Appendix B

6.7 Vibration Refer to Appendix B

Safety CSA compliance: UL60950

TUV compliance: EN60950

CB Report:IEC60950

EMC FCC : FCC Part 15B and ICES-003

EMC: 89/336/EEC

CE Mark : EN 55024, EN 55022, EN 61000-3-2, EN

61000-3-3, EN 61000-4-2, EN 61000-4-3, EN

61000-4-4, EN 61000-4-5, EN 61000-4-6, EN

61000-4-8, EN 61000-4-11

C-Tick

7.0 Regulatory

ESD Criteria B . Refer to Appendix B

8.0 Reliability

8.1 MTBF 20000 hours except for DMD chip , lamp , Fans and Color Wheel.

8.2 Lamp Lifetime Typical : 2000 hours (50% brightness maintenance)

9.0 Power Requirements Adhere to Appendix F

9.1 Power Supply (Normal) VAC 100 – 240 Auto-switch (50/60Hz), 3 Wire Grounded

Max 385W9.2 Power Consumption

Standby 15W

9.3 Power Connector Comply with safety regulation

10.0 Panel Specification

10.1 Type Single Chip 0.8” 12° tilt DMD (720P) from Texas Instruments

(720P DMD Front Projection Image Quality Specification

described in Appendix D)

10.2 Resolution 1280(H) x 720(V)

10.3 Color Depth 16.78 million colors

11.0 Compatibility

11.1 PC PC Compatible VGA, SVGA, XGA

11.2 Video Signal Composite, S-Video, Y/CB/CR

11.3 HDTV DTV Y/PB/PR, DTV RGBHD (480P, 576P, 720P,1080i)

11.4 Image Inversion Floor Front, Floor Rear, Ceiling Front, Ceiling Rear

11.5 Scaling Scaling from other resolutions to native by O-plusTM scaling chip

11.6 Aspect ratio Full, 4x3, Zoom, Theater Wide ,Through

12.0 Image Interface

MT700 Service Manual

12.1 D-Sub RGB Input None

12.2 Composite RCA x 1

12.3 S-Video S-Video x 1

12.4 Component RCA x 3

12.5 Progressive component and

DTV RGBHV BNC x 5

12.6 Digital Video HDMI

13.0 Control Interface

13.1 IR Receiver 2 receiver (Front and Rear)

13.2 Serial Input 8 pin Mini-Din (Female) x 1 , Base on RS-232 Standard (refer to

Appendix G)

13.3 USB Connector None

14.0 User Interface

14.1 Backlight None

14.2 Operator Keypad 8 Key

14.3 Indicators Lamp and Temp indicator is red , Power indicator is Red and

Green.

14.4 Electric Keystone Correction ± 12°

14.5 Onscreen Menu Should be in 7 languages (English, French, German, Italian, Spanish,

Portuguese and Japanese )

14.6 Color temperature

Lamp Native Lamp Native

Warm 6500°K (x=0.315,y=0.315)

Middle 8500°K (x=0.296,y=0.316)

Cool 9300°K (x=0.280,y=0.300)

User 1 Default same Middle color temperature

User 2 Default same Middle color temperature

15.0 Audio

15.1 PC Audio Input None

15.2 Speaker None

16.0 Accessories

16.1 Cables Power Cord Set (US, UK, Euro -------depend on Area) x 1,

16.2 Printed Matter User’s manual (English, French, German, Italian, Spanish , Japanese

Portuguese and Swedish)

16.3 Remote Control IR Remote x 1, AAA Batteries x 2

MT700 Service Manual

4. Circuit Operation

4.1. System Block Diagram

MT700 consist of the connector, main, chip board. The connector board provides the input

terminal and RS-232 for service ,video input(Composite, S-video, YcbCr) and graph

input(RGB BNC , Y Pb Pr). The main board provides the A/D converter for the graph input

(HDMI, RGB BNC, YPbPr) and decoder function for the video input. That supports also the

scaler and color process function. For the interlace video, the board supports the de-

interlace function. Besides, the boards provide the color wheel driver ,the lamp enable

functions and DMD chip control function.

This video projector can accept the following six kinds of input sources:

(1) HDMI

(2) RGBHV

(3) Component 1

(4) Component 2

(5) S-Video

(6) Composite

As shown in the system block diagram, there are seven boards in the system. They are:

(1) Main Board

(2) DMD Chip Board

(3) Thermal Sensor Board

(4) Color Wheel Sensor Board

(5) Keypad Board

(6) Ballast

(7) Power board

(8) IR board

In the main board circuits, it contains AD converter (AD9883), HDMI receiver (SII9993),

Video decoder (SAA7118), de-interlace processor (FLI2310), Scalar (OPLUS RM-103) and

CPU (RDC2021).

MT700 Service Manual

A/D

(AD9883A)

Mux 1

(AD8183)

Mux 1

AD74132

RGBHV

HDMI

HDMI Receiver

(SII9993)

VIDEO DECODER

(SAA7118)

YCBCR 1

YCBCR 2

YPBPR 1

YPBPR 2

S-VIDEO

COMPOSITE VIDEO

Scalar

(RM103)

YCBCR 4:2:2

(ITU-R BT.656

Format)

YCBCR

4:2:2 Format

RGB888 Format

SDRAM x3

(2M x 32)

SDRAM

(2M x 32)

CPU

(RDC2021)

SRAM (128K x 16)

FLASH (256K x 16)

CHIP

BOARD

C/W

sensor

board

Ballast 250W

Lamp

LAMPEN signal

LAMPLIT signal

Series EEPROM 16K IIC Bus

RS232 Driver/Reciver

(SP232E)

TXD, RXD

IIC Bus (DMD)

Rear IR Reciver on Main BD

Front IR Reciver Board

Board

+3.3V

+5V

+12V

Keypad

Board

EEPROM

(EDID,2K)

DDC Link

Main Board

Power

Thermal

Sensor

Board

De-Interlacer

(FLI 2310)

HD2 DMD

DLP

(DDP 1010)

+380V

100~240VAC

Connector

Board

RS-232

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