Hyundai ImageQuest L17T Manuel d'utilisation

TFT LCD COLOR MONITOR

TECHNICAL SERVICE MANUAL

L17T

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L17T Technical Service Manual

1 FORWORD

This document defines design and performance requirements for Hyundai 17.0" On Screen Display

Color TFT LCD monitor L17T. It is capable of displaying maximum 1,280 horizontal dots and 1024

vertical lines resolution image.

It also offers Power Management and DDC2B features according to VESA proposal.

2 GENERAL DESCRIPTION

The monitor described in the followings is based on a multi- scanning, digital control display, 17.0

inches diagonal. The monitor is intended to be a finished product, basically a display device mounted

inside a plastic enclosure which will provide the aesthetic, ergonomic and safety requirements.

2.1 LCD Descriptions

¬Model Name : M170EN05

¬Display Area : 337.92(H) x 270.336(V) mm

¬Drive system : A - Si TFT active matrix

¬Display Colors : 262K Colors

¬Number of pixels : 1280 x 1024

¬Module Size : 358.5 (H) x 296.5(V) x 19.0 typ. (D) mm

¬Weight : 2,000g (TYP.)

¬Contrast ratio : 450:1 (Typ.)

¬Luminance : 260cd/m

(Typ)

Control De cription

Front View

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Power Switch

LED Indicator

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L17T Technical Service Manual

ELECTRICAL CHARACTERISTICS

3.1 Analog R.G.B Input

The input signal shall be applied to the display device through a signal cable, which must be

intended as part of the monitor.

A signal connector shall be a shielded 15pin D- Sub connector and signal cable shall be Black or

White, 1.50

0.05 meter long.

The interfacing method described above requires 7 input lines :

1 - Red (red video)

2 - Green (green video)

3 - Blue (blue video)

4 - H Sync (horizontal synchronization)

5 - V Sync (vertical synchronization)

6 - SDA

7 - SCL

The reference video controller (the device used for adjustment and test) will guarantee the

performances described below (measured on the output connector).

Video signals on 75 ohm termination to the ground

Red, Green & Blue Video (refer to Fig.3.01)

Level : 0 to 0.700 Vpp

Polarity : Positive

700mV

2.74mV

Blanking

Fig. 3.01 - Video Signal

Synchronization signals

Polarity : Positive or Negative

This monitor shall not be demaged by improper sync timing and pulse duration, absence of sync, or

abnormal input amplitude (video and/or sync too large too small).

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3.1.1 Horizontal Scan

Pixel Sampling Frequency : 25.056 ~ 135MHz

H sync Frequency : 31.0 ~ 80 KHz

3.1.2 Vertical Scan

Scanning Frequency : 56 ~ 75.0Hz

3.1.3 Timing

This monitor shall be capable of displaying following video timing chart.

* Timing Chart

Display Time (T4)

Front Porch (T5) Back Porch (T3)

Sync Width (T2) High Level : 2.4V min

Time Total (T1) Low Level : 0.4V max

Fig. 3.02 - H-Sync

Display Time (T4)

Sync Width (T2)

Front Porch

(

)

Back Porch (T3)

Time Total (T1)

Fig. 3.03 - V-Sync

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L17T Technical Service Manual

3.1.4 Support Modes

No. Resolution H Frequency

(kHz)

Vfreq

(Hz)

polarity V

polarity

Dot Clock

(MHz)

1 720 x 400 31.5 70.1 0 1 28.322

2 640 x 480 31.5 59.9 0 0 25.175

3 640 x 480 37.5 75 0 0 31.500

4 800 x 600 35.2 56.3 1 1 36.000

5 800 x 600 37.9 60.3 1 1 40.000

6 800 x 600 48.1 72.2 1 1 50.000

7 800 x 600 46.9 75.0 1 1 49.500

8 832 x 624 49.725 74.55 0 0 57.283

9 1024 x 768 48.4 60.0 0 0 65.000

10 1024 x 768 56.5 70.1 0 0 75.000

11 1024 x 768 60.0 75.0 1 1 78.750

12 1152 x 864 67.5 75 1 1 108.000

13 1280 x 1024 63.9 60.0 1 1 108.000

14 1280 x 1024 80.0 75 1 1 135.000

Table 3-01. Support Modes

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3.1.5 Preset Timing

The timing shown in the following table will be factory preset for display.

Preset-mode table

The timing shown in the following table will be factory preset for display.

Horizontal Pixel 720 640 640 800 800 800 800 832 1024 1024 1024 1152 1280 1280

Pixel Clock MHz 28.322 25.175 31.500 36.000 40.000 49.500 50.000 57.283 65.000 75.000 78.750 108.00 108.00 135.00

Frequency kHz

31.469 31.469 37.500 35.156 37.879 46.875 48.077 49.725 48.363 56.476 60.023 67.500 63.981 79.976

Period (T1)

§`

31.777 31.778 26.667 28.444 26.400 21.333 20.800 20.111 20.677 17.707 16.660 14.815 15.630 12.504

Active (T4)

§`

25.422 25.422 20.317 22.222 20.000 16.162 16.000 14.524 15.754 13.653 13.003 10.667 11.852 9.481

Sync Width (T2)

§`

3.813 3.813 2.032 2.000 3.200 1.616 2.400 1.117 2.092 1.813 1.219 1.185 1.037 1.067

Back Porch (T3)

§`

1.907 1.907 3.810 3.556 2.200 3.232 1.280 3.910 2.462 1.920 2.235 2.370 2.296 1.837

Front Porch (T5)

§`

0.636 0.636 0.508 0.667 1.000 0.323 1.120 0.558 0.369 0.320 0.203 0.593 0.444 0.119

Vertical Lines 400 480 480 600 600 600 600 624 768 768 768 864 1024 1024

Frequency Hz

70.087 59.940 75.000 56.250 60.317 75.000 72.188 74.55 60.004 70.069 75.029 75.000 60.020 75.025

Period (T1)

§´

14.268 16.683 13.333 17.778 16.579 13.333 13.853 13.414 16.666 14.272 13.328 13.333 16.661 13.329

Active (T4)

§´

12.711 15.253 12.800 17.067 15.840 12.800 12.480 12.549 15.880 13.599 12.795 12.800 16.005 12.804

Sync Width (T2)

§´

0.064 0.064 0.080 0.057 0.106 0.064 0.125 0.060 0.124 0.106 0.050 0.044 0.047 0.038

Back Porch (T3)

§´

1.112 1.048 0.427 0.626 0.607 0.448 0.478 0.784 0.600 0.513 0.466 0.474 0.594 0.475

Front Porch (T5)

§´

0.381 0.318 0.027 0.028 0.026 0.021 0.770 0.020 0.062 0.053 0.017 0.015 0.016 0.013

Interlaced Y /N

N N N N N N N N N N N N N N

H - - - + + + + - - - + + + +

Sync Polarity V + - - + + + + - - - + + + +

Table 3-02. Preset-Timings

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L17T Technical Service Manual

3.1.6 Brightness

Definitions :

Brightness This control is mainly intended as a raster luminance adjustment.

Setting of User Controls Luminance Limits

Brightness Contrast Data/Active area

Min Min *

Max Max 180 cd/m2

Table 3.03. Luminance Limits

Legend :

* Don’t care

Full White screen @ 700mV video level, 1280x1024 resolution at

H : 64kHz, V : 60Hz

The measurement shall be executed after warming-up time during 30 minutes in a dark

room ( Ambient luminance 10 lux, temperature 25

¡C

)

≤

O

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3.2 Composite Video Input

The characteristics of video input composite are shown in Table 3.04

Signal Type Composite Video

Signal Level 1.0 Vpp

Connector Type RCA jack

Termination 75

Table 3.04 Video Input Composite

3.3 Separate Video Input (SVHS)

The characteristics of video input separate are shown in Table 3.05

Signal Type S-Video (Y/C)

Luma Level 1.0 Vpp

Chroma Level 0.286 Vpp(Reference Burst)

Connector Type 4-pin mini-DIN

Termination 75

Table 3.05 Video Input Separate

3.4 Input Formats

The Composite, YC Video input formats are shown in Table 3.06

VIDEO MODES

Mode Re solution Totoal Normal

H-Freq(Khz)

Normal

V_Freq(Hz)

Normal

Pixel

Clock(Mhz)

NTSC Composite/YC 720x480

59.94Hz 858x525 15.734 59.940 13.500

PAL composite/YC 720x580

50Hz 864x625 15.625 50.000 13.500

Table 3.06 Composite, YC Input Formats

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L17T Technical Service Manual

3.5 TV Input

3.5.1 NTSC

iAPPLICATION

-Receiving System : ( NTSC STANDARD SYSTEM )

-Channel VHF Low BAND : 2(55.25MHz) ~ H(163.25MHz)

High BAND : I(169.25MHz) ~ W+26(451.25MHz)

UHF BAND : W+27(457.25MHz) ~ 78(855.25MHz)

-Intermediate Frequeny PIF : (45.75)MHz

CIF : (44.83)MHz

SIF : (41.25)MHz

-Input Impedance : UHF/VHF Terminal (75) Y, Unbalanced

-Output Impedance : ViDEO : C.V.B.S

AUDIO : -

IF : SECOND IF

-Band Chang – Over System : (PLL Control System)

-Tuning System : (Electronic Tuning System With PLL)

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