Diamond View DV172 Bedienungsanleitung

Diamond View LCD Monitor

DV172 / DV172B (B=Black Cosmetic)

Service Guide

February 2003

Distributed by

Mitsubishi Electric Australia Pty. Ltd.

A.B.N. 58 001 215 792

348 Victoria Road

RYDALMERE NSW 2116

Australia

Telephone 1300 605 808

reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or

computer language, in any form or by any means, electronic, mechanical, magnetic, optical,

chemical, manual or otherwise, without the prior written permission of the Company.

Disclaimer

The Company makes no representations or warranties, either expressed or implied, with respect to

the contents hereof and specifically disclaims any warranties, merchantability or fitness for any

particular purpose. Further, the Company reserves the right to reserve this publication and to make

changes from time to time in the contents hereof without obligation of the Company to notify any

person of such revision or changes.

iii

Diamond View LCD Monitor

DV172 / DV172B

(B = Black Cosmetic’s)

Manual Contents

Section

1. Engineering Specifications

2. Circuit Operation Theory

3. Alignment procedure

4. Trouble Shooting

5. Parts Lists (DV172 & DV172B)

6. Schematic Diagrams

7. Assembly

DV172 LCD Monitor Service Guide Engineering Specification

Table of Contents

1. INTRODUCTION ...................................................................................................................................2

2. ELECTRICAL CHARACTERISTICS.................................................................................................3

2.1 POWER SUPPLY......................................................................................................................................3

2.2 SIGNAL INTERFACE ...............................................................................................................................3

2.3 VIDEO PERFORMANCE...........................................................................................................................5

2.4 SCAN RANGE.........................................................................................................................................5

2.5 PLUG & PLAY DDC2B SUPPORT ..........................................................................................................5

2.6 SUPPORT TIMINGS.................................................................................................................................5

3. OPERATIONAL & FUNCTIONAL SPECIFICATION.....................................................................6

3.1 VIDEO PERFORMANCE...........................................................................................................................6

3.2 BRIGHTNESS ADJUSTABLE RANGE........................................................................................................6

3.3 ACOUSTICAL NOISE ..............................................................................................................................6

3.4 AUDIO PERFORMANCE ..........................................................................................................................7

4. LCD CHARACTERISTICS...................................................................................................................7

4.1 THE PHYSICAL DEFINITION & TECHNOLOGY SUMMARY OF LCD PANEL ...............................................7

5. USER CONTROLS.................................................................................................................................8

5.1 USER’S HARDWARE CONTROL DEFINITION: ...........................................................................................8

5.2 OSD CONTROL FUNCTION DEFINITION..................................................................................................8

6. MECHANICAL CHARACTERISTICS...............................................................................................9

6.1 DIMENSION ...........................................................................................................................................9

6.2 WEIGHT ................................................................................................................................................9

6.3 PLASTIC ................................................................................................................................................9

6.4 CARTON ................................................................................................................................................9

7. CERTIFICATION...................................................................................................................................9

APPENDIX: PHYSICAL DIMENSION FRONT VIEW AND SIDE VIEW......................................11

DV172 LCD Monitor Service Guide Engineering Specification

1. Introduction

This specification describes DV172, a 17.0” dual interface color TFT LCD monitor with speakers

supported. The display supports up to 1280x1024/75Hz resolution & refresh rate and 262144 colors with

dithering. The features summary is as below,

Feature items Specifications Remark

Panel supplier & Panel type of supplier AUO M170EN05 TN with Film type

Actual Size Diagonal display 17.0" Panel display size

Actual Resolution display SXGA(1280x1024) Panel display resolution

Viewing Angle (at Contrast Ratio ≧10)

+/- 70 degrees Horizontal (typ.)

+/- 70 degrees Vertical (typ.)

+/- 60 degrees Horizontal (min.)

+/- 60 degrees Vertical (min.) Panel spec

Analog interface with Scaling supported Yes With 15 pin D-sub connector

DVI interface with Scaling supported Yes With 24 pin DVI connector.

Video interface with Scaling supported No N.A.

Max resolution mode supported 1280 x 1024 at 75Hz

Number of Display Colors supported 262144 (with dithering) Panel driver is 6 bit

Contrast Ratio 250:1 (min.), 500:1 (typ.)

Luminance

200 cd/m2 (min.),

260 cd/m2 (typ.)

At R,G,B saturated condition

(Default “User” color setting)

AC power input Yes 90-264 Volts, 47-63 Hz.

DC power input(with AC power adapter) No N.A.

DPMS supported Yes < 3 watts

LED indicator for power status showed Yes Green/Amber/Non

OSD for control & information supported Yes

Multi-language supported for OSD Yes 6 languages

Buttons control supported Yes 6 buttons including 1 monitor

power on/off control button.

Flywheel control supported No N.A.

Scaling function supported Yes Genesis gm5120

Auto adjustment function supported Yes “Auto” key function

DDC function supported(EDID ver. 1.3) Yes DDC2B only

Audio speakers supported Yes

Audio Jack(input connector) supported Yes

Earphone Jack(input connector) supported No N.A.

Microphone function supported No N.A.

Mechanical Tilt base design Yes From 0 to +20 degree

VESA wall mounting design Yes

Mechanical Rotate design No N.A.

Mechanical Lift base design No N.A.

DV172 LCD Monitor Service Guide Engineering Specification

2. Electrical Characteristics

2.1 Power supply

Item Condition Spec OK N.A Remark

Input Voltage range Universal input full range 90~264VAC /47~63Hz √

Input Current range 90 ~ 264VAC < 2.0 Arms √

Power Consumption Normal “On” operation < 50 Watts √LED: Green

DPMS DPMS “Off” state < 3 Watts √LED: Amber

Inrush Current 110 VAC

220 VAC

< 30 A (peak)

< 60 A (peak)

√Cold-start

Earth Leakage Current 264 VAC/50Hz < 3.5 mA √

Hi-Pot 1. 1500VAC, 1 sec

2. Ground test: 30A, 1sec

Without damage

< 0.1 ohm

√(on-line test)

(in-lab test)

Power Line Transient IEC1000-4-4 1KV √

IEC1000-4-5 (Surge) Common: 2KV,

Differential: 1KV

√

CCFL operation range 90 ~ 264VAC 6mA ~ 15mA √Each connector

CCFL Frequency 90 ~ 264VAC 40KHz ~ 80KHz √

Power cord Color: White or Black

Length: 1800 +/- 20 mm

√Depends on shipping

requirement (99 level)

2.2 Signal interface

Item Condition Spec OK N.A Remark

Signal Cable 15 pin D-Sub Color: White or Black

Length: 1600 +/- 20 mm

√Depends on shipping

requirement (99 level)

15 pin D-sub connector See Note-1 √For 15 pin D-sub

Pin assignment

24 pin DVI connector See Note-2 √For 24 pin DVI

Video input Signal type-1 Separate analog R,G,B signals √For 15 pin D-sub

Level(R,G,B signals) 700 mV (peak to peak) √

Impedance(R,G,B signals) 75 Ohms +/- 1.5 Ohms √

Signal type-2 TMDS signals √For 24 pin DVI

Single-ended input swing

voltage (V-swing)

200mV≤V-swing≤780mV √

Impedance(TMDS signals) 100 Ohms +/- 10 Ohms √

Sync input Signal type Separate H/V-sync

Composite H/V-sync

(Positive/Negative)

√For 15 pin D-sub

Level Logic High: 2.4V ~ 5.5V

Logic Low: 0V ~ 0.5V

(TTL level)

√Refer to VESA VSIS

Standard V1R1

Impedance Minimum 2.2KΩ(pull down) √10KΩfor application

Sync Pulse Width (SPW) 0.7μs < H-SPW

1H < V-SPW

√

Note-1: The pin assignment of 15 pin D-sub connector:

10 6

15 11

DV172 LCD Monitor Service Guide Engineering Specification

Pin Signal Assignment Pin Signal Assignment

1 Red video 9 PC5V (+5 volt power)

2 Green video 10 Sync Ground

3 Blue video 11 Ground

4 Ground 12 SDA

5 Ground 13 H-Sync (or H+V)

6 Red Ground 14 V-sync

7 Green Ground 15 SCL

8 Blue Ground

Note-2: The pin assignment of 24 pins DVI connector: (C1 ~ C5 are NC)

12345678

910 11 12 13 14 15 16

17 18 19 20 21 22 23 24

C1 C2

C3 C4

Pin Signal Assignment Pin Signal Assignment

1 TMDS RX2- 16 Hot Plug Detect

2 TMDS RX2+ 17 TMDS RX0-

3 TMDS Ground 18 TMDS RX0+

4 Floating 19 TMDS Ground

5 Floating 20 Floating

6 DDC Clock 21 Floating

7 DDC Data 22 TMDS Ground

8 Floating 23 TMDS Clock+

9 TMDS RX1- 24 TMDS Clock-

10 TMDS RX1+ C1 Floating (NC)

11 TMDS Ground C2 Floating (NC)

12 Floating C3 Floating (NC)

13 Floating C4 Floating (NC)

14 +5V Power C5 Floating (NC)

15 Ground

DV172 LCD Monitor Service Guide Engineering Specification

2.3 Video performance

Item Condition Spec OK N.A Remark

Max. support Pixel rate 135 MHz

√

Max. Resolution 1280 x 1024 √

Rise time + Fall time < 3.7 ns

(50% of minimum pixel

clock period)

√1280x1024 @ 75Hz

(max. support timing)

Settling Time after

overshoot /undershoot

< 5% final full-scale value √Refer to VESA VSIS

Standard V1R1

Overshoot/Undershoot < 12% of step function

voltage level over the full

voltage range

√Refer to VESA VSIS

Standard V1R1

2.4 Scan range

Item Condition Spec OK N.A Remark

Horizontal 31 ~ 81KHz

√

Vertical 56 ~ 75 Hz √Without Frame buffer

2.5 Plug & Play DDC2B Support

Item Condition Spec OK N.A Remark

DDC channel type DDC2B √

EDID Version 1.3

√Refer to FP767-MEA

DV172 C212 S/W spec

document to see the

detailed EDID data

definition..

2.6 Support Timings

Input Timing Actual Output

Resolution Horizontal

Frequency (KHz) Vertical

Frequency (Hz) Dot Clock

Frequency (MHz) Actual display

Resolution OK N.A Remark

640x350 31.47(P) 70.08(N) 25.17 1280x943

√DOS

720x400 31.47(N) 70.08(P) 28.32 1280x1024

√DOS

640x480 31.47(N) 60.00(N) 25.18 1280x1024

√DOS

640x480 35.00(N) 67.00(N) 30.24 1280x1024

√Macintosh

640x480 37.86(N) 72.80(N) 31.5 1280x1024

√VESA

640x480 37.50(N) 75.00(N) 31.5 1280x1024

√VESA

800x600 37.88(P) 60.32(P) 40.00 1280x1024

√VESA

800x600 48.08(P) 72.19(P) 50.00 1280x1024

√VESA

800x600 46.86(P) 75.00(P) 49.50 1280x1024

√VESA

832X624 49.72(N) 74.55(N) 57.29 1280x1024

√Macintosh

1024x768 48.36(N) 60.00(N) 65.00 1280x1024

√VESA

1024x768 56.48(N) 70.10(N) 75.00 1280x1024

√VESA

1024x768 60.02(P) 75.00(P) 78.75 1280x1024

√VESA

DV172 LCD Monitor Service Guide Engineering Specification

Input Timing Actual Output

Resolution Horizontal

Frequency (KHz) Vertical

Frequency (Hz) Dot Clock

Frequency (MHz) Actual display

Resolution OK N.A Remark

1024X768 60.24(N) 74.93(N) 80.00 1280x1024

√Macintosh

1152x864 67.50(P) 75.00(P) 108.00 1280x1024

√VESA

1152x870 68.68(N) 75.06(N) 100.00 1280x1024

√Macintosh

1152x900 61.80(N) 66.00(N) 94.50 1280x1024

√SUN 66

1152x900 71.81(N) 76.14(N) 108.00 1280x1024

√SUN

1280x1024 64.00(P) 60.00(P) 108.00 1280x1024

√VESA

1280x1024 75.83(N) 71.53(N) 128.00 1280x1024

√IBM1

1280x1024 80.00(P) 75.00(P) 135.00 1280x1024

√VESA

1280x1024 81.18(N) 76.16(N) 135.09 1280x1024

√SPARC2

Note-2: “P”, “N” stands for “Positive”, “Negative” polarity of incoming H-sync/V-sync (input timing)

3. Operational & Functional Specification

3.1 Video performance

Item Condition Spec OK N.A Remark

Resolution Any input resolution modes

which are under 1280x1024

1280 x1024 √

Contrast ratio 250:1(min.), 500:1 (typ.) √

Brightness At R,G,B saturated condition

(Default “User” color setting)

200 cd/m2(min.)

260 cd/m2(typ.)

√

Response time Rising + Falling time 16 ms(typ.), 25ms(max.) √

Viewing angle At Contrast ratio ≧10 R/L: 60 degrees (min.)

70 degrees (typ.)

√

At Contrast ratio ≧10 U/D: 60 degrees (min.)

70 degrees (typ.)

√

CIE coordinate of White (0.31, 0.33) +/- (0.03, 0.03) √

Display colors 262144 color with dithering √18 bits with

dithering

3.2 Brightness Adjustable Range

Item Condition Spec OK N.A Remark

Brightness adjustable range

At Max. Contrast level &

Full-white color pattern

(Max. brightness value –

Min. brightness value)

≧40 cd/㎡

√

3.3 Acoustical Noise

Item Condition Spec OK N.A Remark

Acoustical Noise At 1 meter distance

& “Audio” function disabled ≦40 dB/A √

DV172 LCD Monitor Service Guide Engineering Specification

3.4 Audio performance

Item Condition Spec OK N.A Remark

Preamp + Power amp

(1)Output power 1 Wrms/CH @ 1KHz √Real output

(2)THD (@ 1W) <10%

√

(3)S/N ratio 40dB

√

Speaker Driver

(1)Nominal impedance 8 ohm

√

(2)Maximum input power 2W/CH

√

(3)Frequency response 12KHz

√

(4)Mean sound pressure level 83 ± 3 dB √

(5)Size 28x 40 mm

√

Audio Control

(1)Volume range 0 ~100 levels √

(2)Mute On/Off

√

4. LCD Characteristics

4.1 The Physical definition & Technology summary of LCD panel

Item Condition Spec OK N.ARemark

LCD Supplier AUO √

Panel type of Supplier M170EN05 √

Screen Diagonal 432mm(17.0”) √

Display area Unit=mm 337.920(H) x 270.336(V) √

Physical Size Unit=mm 358.5(W) x 296.5(H) x 19.0(V) √

Weight Unit=gram 1900 (typ.) √

Technology TN with Film √

Pixel pitch Unit=mm 0.264 x 0.264 √Per one triad

Pixel arrangement R,G,B vertical stripe √

Display mode Normally white √

Support color 262K colors(R,G, B 6-bit data) √

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