Iiyama PLE385 User manual

PLE385Iiyama

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SERVICE MANUAL

PLE385 Monitor

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY

REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL;

WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF

PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.

MANUFACTURE DATA ：MAR-11-2004

PLE385Iiyama

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Table of Contents

Table of Contents --------------------------------------------------------------------------------- 02

Revision List --------------------------------------------------------------------------------------- 04

1. Monitor Specification ------------------------------------------------------------------------- 04

2. LCD Monitor Description ---------------------------------------------------------------------05

3. Operation Instructions --------------------------------------------------------------------- 06

3.1 General Instructions ----------------------------------------------------------------------06

3.2 Control Button ----------------------------------------------------------------------------- 06

3.3 Adjusting The Picture ---------------------------------------------------------------------06

4. Input/Output Specification --------------------------------------------------------------------08

4.1 Input Signal Connector -------------------------------------------------------------------08

4.2 Factory Preset Display Modes ---------------------------------------------------------08

4.3 Power Supply Requirements -----------------------------------------------------------09

4.3.1 Feature ----------------------------------------------------------------------------------09

4.3.2 Ac Adapter Output -------------------------------------------------------------------09

4.3.3 Power Consumption ----------------------------------------------------------------- 09

4.4 Panel Specification (HS X84-C) --------------------------------------------------------10

4.4.1 Panel Feature -----------------------------------------------------------------------10

4.4.2 Display Characteristics -------------------------------------------------------------10

4.4.3 Back-light Unit -----------------------------------------------------------------------11

5. Block Diagram ----------------------------------------------------------------------------------12

5.1 Monitor Exploded View -------------------------------------------------------------------12

5.2 Software Flow Chart ----------------------------------------------------------------------13

5.3 Electrical Block Diagram -----------------------------------------------------------------16

PLE385Iiyama

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5.3.1 Scalar Board -------------------------------------------------------------------------16

5.3.2 Inverter Board ----------------------------------------------------------------------16

5.3.3 Adapter Board --------------------------------------------------------------------17

6. Schematic ---------------------------------------------------------------------------------------18

6.1 Main Board ---------------------------------------------------------------------------------18

6.2 Inverter Board -----------------------------------------------------------------------------22

6.3 Adapter ------------------------------------------------------------------------------------23

6.4 Key Pad Board ----------------------------------------------------------------------------23

7. PCB Layout -------------------------------------------------------------------------------------24

7.1 Main Board ---------------------------------------------------------------------------------24

7.2 Inverter Board -----------------------------------------------------------------------------25

7.3 Keypad Board -----------------------------------------------------------------------------25

8. Maintainability ----------------------------------------------------------------------------------26

8.1 Equipments and Tools Requirements -----------------------------------------------26

8.2 Trouble Shooting ------------------------------------------------------------------------27

8.2.1 Main Board ---------------------------------------------------------------------------27

8.2.2 Power/Inverter Board --------------------------------------------------------------30

8.2.3 Key Pad Board ----------------------------------------------------------------------31

9. White-Balance, Luminance Adjustment -------------------------------------------------32

10. EDID Content ---------------------------------------------------------------------------------33

11. BOM List ----------------------------------------------------------------------------------34~50

PLE385Iiyama

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Revision List

Revision Date Change Description

1. MONITOR SPECIFICATIONS

MACHANICAL CHARACTERISTICS Ta=25ºC

ITEM SPECIFICATION UNIT

LCD module size 331.6(W)×254.75(H)×13.55(T) mm

Resolution 1024×RGB(W)×768(H) pixel

Sub pixel pitch 0.099(W)×0.297(H) mm

Pixel pitch 0.297(W)×0.297(H) mm

Active viewing area 304.1(W)×228.1(H) mm

Bezel opening area 307.2(W)×231.1(H) mm

Weight 1220TYP g

MAXIMUM RATINGS Ta=25ºC

ITEM SYMBOL MIN MAX UNIT NOTE

Power supply voltage VDD-VSS -0.3 4 V

Input voltage V1 VSS-0.3 VDD+3 V

CFL lamp current IL –6.5 mA

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ENVIRONMENTAL ABSOLUTE MAXIMUM RATINGS Ta=25ºC

ITEM STMBOL CONDITIONS MIN MAX UNIT NOTE

TST Storage -20 60Ambient

temperature TOP Operation 0 50

ºC Note 1

Humidity –Ta=40ºC max –85 %RH

No Condensation

Note 2

Vibration –Storage –1.5 G Note 3

Shock –Storage –50 G

XYZ

11ms/direction

[Note 1] Care should be taken so that the LCD module may not be subjected to the temperature

beyond this specification.

[Note 2] Ta>40ºC: Absolute humidity shall be less than that of 85%RH/40ºC.

[Note 3] 10-200Hz, 30min/cycle, X/Y/Z each one cycle and except for resonant frequency.

2. LCD MONITOR DESCRIPTION

The LCD monitor will contain an main board, an inverter/power board, keypad board and external

adapter which house the flat panel control logic, brightness control logic and DDC.

The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main

board chips each voltage.

Inverter

Flat Panel and

CCFL backlight

Main Board

Keyboard

RS232 Connector

For white balance

adjustment in factory

mode

HOST Computer

CCFL Drive.

AC-IN

100V-240V

Video signal, DDC

Monitor Block Diagram

Adapter

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3. OPERATING INSTRUCTIONS

3.1 GENERAL INSTRUCTIONS

Press the power button to turn the monitor on or off. The other control buttons are located

at front panel of the monitor. By changing these settings, the picture can be adjusted to

your personal preferences.

-The power cord should be connected.

-Connect the video cable from the monitor to the video card.

-Press the power button to turn on the monitor, the power indicator will light up.

3.2 CONTROL BUTTONS

3.2.1 KEY CONTROL

3.2.2 KEY FUNCTION

Hot keys Navigation Within OSD Without OSD

Menu MENU

Select Function or

select Sub menu

Activate OSD main menu

Left

Previous Item or

Decrease value

Brightness Hot key

Right

Next Item or Increase

value

Contrast Hot key

Exit / Auto AUTO Exit OSD or back to

previous menu

Auto configuration

3.3 ADJUSTING THE PICTURE

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OSD TABLE:

1. Contrast Adjust the picture contrast.

Brightness Adjust the picture brightness.

3. Focus Adjust picture Focus.

4. Clock Adjust picture Clock.

H-Position Adjust the horizontal position of the picture.

6. V-Position Adjust the vertical position of the picture.

7Language Multi-Language selection

8. Red Adjusts Red intensity.

9. Green Adjusts Green intensity.

10. Blue Adjusts Blue intensity.

11. C1 (Warm) Color Set the color temperature to warm white.

12. C2 (Cool) Color Set the color temperature to cool white.

13.

Reset

Clear each old status of Auto-configuration and re-do

auto-configuration .

14. Exit Save user adjustment and OSD disappear.

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4.INPUT/OUTPUT SPECIFICATION

4.1 INPUT SIGNAL CONNECTOR

PIN NO. DESCRIPTION PI N NO. DESCRIPTION

1. Red 9. +5V

2. Green 10. Detect Cable

3. Blue 11. NC

4. Ground 12. DDC-Serial Data

5. Ground 13. H-Sync

6. R-Ground 14. V-Sync

7. G-Ground 15. DDC-Serial Clock

8. B-Ground

VGA connector layout

610

11 15

4.2 FACTORY PRESET DISPLAY MODE：

VESA MODES

Horizontal Vertical

Mode Resolution Total

Nominal

Frequency

+/- 0.5kHz

Sync

Polarity

Nominal

Freq.

+/- 1 Hz

Sync

Polarity

Nominal

Pixel

Clock(MHz)

640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175

640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500

VGA

640x480@75Hz 840 x 500 37.500 N 75.00 N 31.500

800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000

800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000

SVGA

800x600@75Hz 1056x625 46.875 P 75.000 P 49.500

1024x768@60Hz 1344x806 48.363 N 60.004 N 65.000

1024x768@60Hz 1312x813 48.78 N 60.00 N 64.000

1024x768@70Hz 1328x806 56.476 N 70.069 N 75.000

1024x768@72Hz 1304x798 57.515 P 72.074 P 75.000

1024x768@75Hz 1328x804 60.200 N 74.90 N 80.000

XGA

1024x768@75Hz 1312x800 60.023 P 75.029 P 78.750

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IBM MODES

Horizontal Vertical

Mode Resolution Total

Nominal

Frequency

+/- 0.5kHz

Sync

Polarity

Nominal

Freq.

+/- 1 Hz

Sync

Polarity

Nominal

Pixel/Clock

(MHz)

DOS 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322

DOS 640x350@70Hz 800 x 449 31.469 N 70.087 P 25.175

MAC MODES

VGA 640x480@67Hz 864x525 35.000 N 66.667 N 30.240

SVGA 832x624@75Hz 1152x667 49.725 N 74.551 N 57.2832

NOTE: All modes will automatically optimize the screen size with “ Auto-Config “ function, except 3

Dos-Modes : 720 x 400@70hz, 640x350@70hz ,640x400@70hz

4.3 Power Supply Requirements

The power supply should be external AC-adapter

4.3.1 FEATURES

PARAMETER RANGE CONDITION

The power supply

should be external

AC- adapter

100Vac~264Vac 50 ±3Hz, 60 ±3Hz

Current 1.5Arms at 100Vac

0.75Arms at 240 Vac

0.6A max. at 100V , 0.35A max. at 240 V

<0.3A

Peak surge current 30A peak at 110Vac

60A peak at 240Vac

< 55A peak at 240 VAC and cold starting

Leakage current 0.75mA max. at

240Vac/60Hz

< 3.5mA

Power line surge 2.0kV, a cycle/30sec,

total 30 times

No advance effects (no loss of

information or defect) with a maximum of

1 half-wave missing per second

4.3.2 AC ADAPTER OUTPUT

PARAMETER RANGE CONDITION

Voltage 11.4V~12.6V 12VDC ± 5 %

Current 0~3.5Arms 4Amp max

4.3.3 POWER CONSUMPTION

The monitor is equipped with a power-management according to NUTEK (power consumption)

and is VESA DPMS compliant.

There is a delay of 5s…7s before the transition from On-state to any power saving state to any

power saving state to avoid unintentionally entering of a power saving stage during display resolution

and timing mode changes. Transition from any power saving state to another can be instantaneous.

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The recovery from Off-state requires no manual power on.

Mode H-Sync V-Sync. Video Pw-cons. Indicator Rec. time

Power-On on On active < 35 w Green LED --

Power-off off Off blanked < 3w Orange LED < 5s

on Off blanked < 3W Orange LED < 5s

off On blanked < 3W Orange LED < 5s

SYNC. On means: Normal operation.

SYNC. Off means: H sync. F<10KHz duty cycle>25%

V sync. F<10Hz duty cycle>25%

4.4 PANEL SPECIFICATION (HS X84-C)

4.4.1Geneal Feature

ITEM SPECIFICATIONS

Outline Dimension 321.0(H) x 249.0(V) x 10.5(D)mm (Typ.)

Display area 304.1(H) x 228.1(V) (15.0” diagonal)

Number of Pixel 1024(H) x 768(V)

Pixel Pitch 0.297mm x 0.297mm

Pixel arrangement RGB Vertical stripe

Display color 6-bit driver

Display mode Normally white

Surface treatment Antiglare, Hard-Coating(3H)

Weight 950g(Typ.)

Back-light 2-CCFLs, Top & bottom edge side

Input signal Source and Gate Driver control signals

Power consumption 11.0(Typ.)

Optimum viewing direction 6 o’clock

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