Acer GW FHX2300 Schematic

FHX2300
Service Manual

Service Manual

LCD Monitor FHX2300

Copyright

Copyright 2009 Innolux Display Corp. Ltd

All Rights Reserved

This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any
electronic or machine readable form without prior written permission of Innolux Display Corp. Ltd.

FHX2300 Wide Service Manual

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1

Table of Contents

Important Safety Notice ......................................................................................02

01 Product Specification .......................................................................................03

02 Flat Panel Specification ....................................................................................29

03 Exploded Diagram ............................................................................................61

04 Troubleshooting..................................................................................................66

05 Spare Parts List .................................................................................................73

06 Schematics and Layouts....................................................................................77

07 Assembly and Disassembly .............................................................................92

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Important Safety Notice

1. Safety precautions

This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However,
improper usage or installation may cause damage to the monitor as well as to the user.

Warnings:

z This monitor should be operated only at the correct power sources indicated on the label on the rear of the

monitor. If you’re unsure of the power supply in you residence, consult your local dealer or Power
Company.

z Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. This monitor should

only be repaired by a qualified technician.

z Do not remove the monitor cabinet. There is high-voltage parts inside that may cause electric shock to

human bodies.

z Stop using the monitor if the cabinet is damaged. Have it checked by a service technician.
z Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug the power cable immediately

and consult your closed dealer.

z Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. Apply

non-ammonia based cleaner onto the cloth, not directly onto the class screen.

z Do not place heavy object on the monitor or power cord.

2. Product safety notice

Many electrical and mechanical parts in this chassis have special safety visual inspections and the
protection afforded by them cannot necessarily be obtained by using replacement components rated for
higher voltage, wattage, etc. Before replacing any of these components read the parts list in this manual
carefully. The use of substitute replacement parts, which do not have the same safety characteristics as
specified in the parts list, may create shock, fire, or other hazards.

3. Service notes

z When replacing parts or circuit boards, clamp the lead wires around terminals before soldering.

z Keep wires away from high voltage, high temperature components and sharp edges.

z Keep wires in their original position so as to reduce interference.

z Adjustment of this product please refers to the user’s manual.

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01 Product Specification

1. General:

Gateway FHX2300 LCD monitor is designed with a wide screen 23 inch wide TFT LCD panel which supports Full

HD-1920(H) x 1080(V) screen format, LVDS interface. It has analog RGB, DVI and HDMI (option) input ports.

It featured with embedded universal AC power supply. This monitor can support maximum resolution up to

1920x1080@60Hz.

1.1 Main Features

1.1.1 For SEC LTM230HT01 panel

Features Specifications

Maximum resolution

Back light system 4 CCFL

Actual Resolution display 1920x1080

1920x1080@60Hz

Pixel pitch

Display area 509.76mm (H) x 286.74mm (V)

Contrast ratio 1000:1 (Typ.)

Response time (Tr+Tf) 5ms(Typ.),10ms(Max)

Viewing angle 160° (H)/ 160°(V), (Typical, CR>=10)

Input interface

Power management Compatible with VESA DPMS, Energy Star

Plug & Play VESA DDC/CI

OSD language

0.2655 mm (H) x 0.2655 mm (V)

Analog(D-sub 15pin);
DVI-D(with HDCP function);

HDMI(19Pin, option).

English,

French, Spanish, Italian, Japanese, Simplified Chinese, Traditional Chinese.

1.2 Accessories

Items

AC

Power

Cord

VGA

cable

Audio cable HDMI Cable

DVI_D

cable

User’s

manual

Warranty

card

Description 1.8m 1.8m 1.8m 1.8m 1.8m Multi

● ● ●

Option Option

2. Operation Specifications

The unit should suffer no visible cosmetic damage and should operate with no degradation in display quality during

exposure to the operating conditions and after exposure to the non-operating conditions, in any sequence.

2.1 Environmental conditions

Operating Specification

Temperature range

Relative humidity 20% to 90%

0°C to 40°C

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Altitude 0 to 3048 M (10000 ft)

Storage

Temperature range

Relative humidity 10% to 90%

Altitude 0 to 12192M (40000 ft)

2.2 Safety, EMC, Ergonomics and Compatibility Requirements

-20°C to 60°C

Safety &
EMC&Ergonimics

Compatibility

Power Management

C-Tick, CB, MET,FCC, CCC, VCCI, ISO 13406-2,
bauart, MPRII.

Windows 98/Me/2000, Windows XP, Window Vista

Energy Star

2.3 Electrostatic Discharge Requirements

Item Remark Spec

Electrostatic Discharge

2.4 Reliability

Items Condition Spec Note

Temp: 25+/-2℃

CCFL Life time

Current: 7.5mA
Brightness: 50%

Contact discharge : ±8KV

Air discharge : ±15KV

≧ 50,000 Hours Note1.

Note1. Display an all white field at mid Brightness and Contrast settings.

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3.

Electrical and Optical Characteristics and Performance

3.1 Main Power Supply

3.1.1 Input characteristics

Items Condition Spec Note

AC Input Voltage range Universal input full range 90~264Vac

AC Input Voltage rating Universal input full range 100~240Vac

AC input frequency range 90~264Vac 47~63Hz

AC input frequency rating 100~240Vac 50~60Hz

100Vac 1.5A(max) AC Input Current

240Vac 0.8A(max)

Inrush Current

AC-DC power Efficiency

Note2. Before each test, the buck capacitor needs to be discharged.
Before each test, it must be 10 minutes at least after the latest test.
Hot star not component be damaged.

115Vac,cold star,25°C 35A (max)

230Vac,cold star,25°C 70A(max)

DC output full loading ≥80%

See Note2

3.1.2 Output characteristics

Items Condition Spec Note

Ripple and Noise

DC Output Voltage

DC output loading
capability

Rise Time <20mS

Dynamic load change

Hold-up time AC input: 100V~240V >10mS

+25V output <800mv

+5V output
Audio +5V output:

+25V output <480mv

+5V output
Audio +5V output:

25V loading:0.3A~1.4A
5V loading:0.75A~1.5A
Audio 5V: 0A~1.2A

25v loading:0.1A~1.4A
25V loading: 0A

Vcc5V:1.8A,

<150mv
<500mv

<100mv
<100mv

Vcc25V:23.2V~28V
Vcc5V: 4.75V~5.25V
Audio 5V: 4.9V~5.4V

Vcc25V: 23.2V~30V
Vcc5V: 4.75V~5.25V

Vcc25V:1.4A
Audio 5V: 1.5A

System load, see note 3

Dummy load.

For system active.

For power saving or DC
off.

Overshoot <10%

Turn on delay time 2S

Power management See Table-1

Note3: Paralleled a 0.1uF ceramic Cap. And 47uF aluminum Cap. Between the end of DC loading side, Measured
band-width=20MHz. Ripple voltage of +25V is less than 1500mV when enter into burst mode.

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3.1.3

OPP nominal AC input 70W ( min )

SCP(short circuit protection) with auto-recovery function

OVP(Over voltage protection) Auto-recovery

OTP(Over temperature protection) NA

Fuse protection NA

Table-1

Power On on on active ≤ 60W Blue

Power Saving

Power Off -- -- -- < 1W Off

Protection characteristics

Protection Condition Spec

<output capacitor voltage.

Status H-sync V-sync Video Power LED

off on blanked < 2W Yellow

on off blanked < 2W Yellow

off off blanked < 2W Yellow

3.1.4 Backlight Power Supply

Items Specification

Panel SEC LTM230HT01

Lamp 4 CCFL

Input Voltage 23.2---28V

Input current

On/Off switch level

Brightness PWM Duty (ACM Off)

Brightness PWM Duty (ACM On)

CCFL operating Voltage 850Vrms (Typ.),

CCFL Current

CCFL startup voltage ≧1450 Vrms (25˚C)
CCFL startup voltage 1800 Vrms (0˚C)≧

Operating frequency 40~60 KHz

Protect delay time

1.2A (Typ.), 1.40A (Max.)

3.6V V on 2.0 V (on)≧≧

-0.3v ≤ V off ≤ 0.8 V (off)

30%~100%

5%~100%

7.5mA (Typ.)

8.0mA (Max.)

> 1 second

Efficiency ≥70%

Note: Other panels please refer to the reference panel specs.

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3.2 Input / Output Signal Specifications

3.2.1 Video signals

Signal Cable

Analog

Digital

Sync

Items Condition Spec OK

15 pin D-Sub

DVI-D

Color: BLACK

Length: 1800

Color: BLACK

Length: 1800

+/-

+/-

20 mm

20 mm

HDMI

Signal type Separate analog R,G,B ● For 15 pin D-sub

Level 700 mV +/- 5% (peak to

peak)

Impedance 75 Ohms +/- 2% Ohms ●

Base on TMDS technology

Signal type Separate H/V-sync

(Positive/Negative)

Level Logic High: 2.0V ~ 5.5V

Logic Low: 0V ~ 0.8V

(TTL level)

Terminal ≧ 2.2k

Ω

● Monitor side should be

●

●

● For 15 pin D-sub

● Refer to VESA VSIS

● 2.2KΩ for application

Note

blue right angle.

optional
optional

Standard V1R1

3.2.2

Signal Timing

For input timing range, this unit can support FH= 15~83 KHz, Fv=50~76Hz.

Modes details as below:

1. For Analog VGA, DVI-D and HDMI PC source(F

= 31~83 KHz, Fv=56~76 Hz)

H

VESA MODES

Horizontal Vertical

Mode

VGA

SVGA

XGA

SXGA

WXGA

Resolution

640*480@60Hz 31.469 N 59.941 N 25.175

640*480@72Hz 37.861 N 72.809 N 31.5

800*600@56Hz 35.156 P 56.25 P 36

800*600@60Hz 37.879 P 60.317 P 40

800*600@72Hz 48.077 P 72.188 P 50

1024*600@60Hz 37.320 N 60.000 P 48.964

1024*768@60Hz 48.363 N 60.004 N 65

1024*768@70Hz 56.476 N 70.069 N 75

1152*864@75Hz 67.5 P 75 P 108

1280*960@60Hz 60 P 60 P 108

1280*720@60Hz 44.955 P 59.94 P 74.176

1280*1024@60Hz 63.981 P 60.02 P 108

1360*768@60Hz 47.712 P 60.015 P 85.5

Nominal

Frequency

+/-0.5KHz

Sync

Polarity

Nominal

Frequency

+/-1Hz

Sync

Polarity

Nominal Pixel

Clock (MHz)

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WXGA+

WSXGA+

UXGA

VGA

WXGA

2. For HDMI Video source (F

1440*900@60Hz 55.935 N 59.89 P 106.5

1680*1050@60Hz 65.29 N 59.954 P 146.25

1600*1200@60Hz 75 P 60 P 162

1920*1080(Red)@60Hz 66.587 P 59.93 N 138.5

1920*1080@60Hz 67.5 P 60 P 148.5
1920*1080@60Hz
(Only support under
VGA source) 67.158 N 59.96 P 173

IBM MODES

720x400@70Hz 31.469 N 70.087 P 28.322

MAC MODES

640*480@66.7Hz 35 P

Other MODES

1280*800@60Hz

= 15~83 KHz, Fv=50~76 Hz)

H

49.702 N 59.81 P 83.5

66.667 N 30.24

Resolution Pixel Clock MHz Hsync KHz Vsync Hz

VGA 640 x 480p 25.2 31.5 60

NTSC (480i) 720 x 480 13.50 15.73 60

NTSC (480p) 720 x 480 27.00 31.47 60

PAL (576i) 720 x 576 13.50 15.63 50

PAL (576p) 720 x 576 27.00 31.27 50

720p 1280 x 720 74.25 37.5 50
720p 1280 x 720 74.25 44.96 60

1080i 1920 x 1080 74.25 28.125 50

1080i 1920 x 1080 74.25 33.72 60
1080P 1920 x 1080 148.50 56.250 50
1080P 1920 x 1080 148.50 67.50 60

Note: 1. Non-interlace signals only (An interlace signal cannot be display)

2. Please refer to F/W specification for more detail

3. Each frequency of Power Macintosh and Sun Ultra is a reference value

3.2.3

Timing requirements

Item Condition Specification

Horizontal

Vertical

Out of range

Note: 1. Move around the full screen

2. Desktop background in black

3. Frequency out of range menu will display 5 minutes, then enter power saving status.

Sync polarity: (+) or (-)

Sync polarity: (+) or (-)

Excluding
Horizontal 15~83 KHz
or
Vertical 50~76 Hz

15~83KHz

50~76Hz

Message “Frequency out of range” on screen

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3.2.4

DDC datas

EDID Standard Compliance
EDID File Format : VESA’s EDID Standard Version #3, Revision #0,
EDID Structure : Version #1, Revision #3.
EDID Data Table : See the file of LE23T7-DR4-16

4. LCD Characteristic & Performance

4.1 Panel general specifications

General Specifications

The test methods for the below items’ definition, please refer to the specification of SEC LTM230HT01 panel.

Supplier SEC

Model name LTM230HT01

Display Area 509.76mm(H)x286.74mm(V)

Pixel Pitch 0.2655mmx0.2655mm

Display Colors: 16.7 Million (6bit+Hi-FRC)

Number of Pixel 1920x1080 pixels

Pixel Arrangement RGB vertical stripe

Brightness 300cd/m2 (Typ.)

Contrast Ratio 1000:1 (Typ.)

Viewing Angle Hor:160°, Ver: 160°(Typ) (CR≧10)
Brightness Uniformity 75%≧

Display Mode Normally White, TN

Response Time(Tr+Tf) 5ms(Typ.),10ms(Max)

Surface Treatment Haze 25%, Hard coating (3H)

Lamp 4 CCFL

4.2 Optical characteristic of LCD panel

The test methods for the below items’ definition, please refer to the specification of SEC LTM230HT01 panel.

Item Unit Conditions Min. Typ . Max. Remark

Viewing Angle

[degree]
[degree]
[degree]
[degree]

Contrast ratio

Response Time

[msec] Rising Time - - -
[msec] Falling Time - - -

Horizontal (Right)

CR >= 10 (Left)

Vertical (Up)

CR >= 10 (Down)

Normal Direction 600 1000 -

9

140 160

140 160

-

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Color / Chromaticity

Coordinates (CIE)

Color Coordinates (CIE)

White

Luminance Uniformity

White Luminance at

CCFL 7.5mA(center point)

4.3 Brightness output

The test to verify specifications in this section shall be performed under the following standard conditions unless otherwise
noted.

Temperature : 25 ± 5°C
Test pattern : white
Video Resolution : 1920 x 1080
Video input level : 700 mV ± 2%
Warm-up time : 30 minutes

[msec] Rising + Falling - 5 10

Red x 0.640
Red y 0.330
Green x 0.300
Green y 0.600
Blue x 0.150
Blue y 0.060

[%] 9 points

[cd/m2] 250 300 -

White x 0.313
White y

measurement

Typ-0.03

0.329

75%

Typ+0.03

Item Condition SPEC

Brightness

Grey Scale

Brightness=100%

Contrast = 100%
Brightness=100%

Contrast = 100%

The last 3~8 levels of 32
grey scales is combined.

4.4 White balance

The test standard conditions refer to Sec 3.3. (Brightness control is at 80 contrast control is at 50.)

Chromaticity Coordinate

x y

Cool

Warm

User

Mode

9300K 0.283 ± 0.030 0.297 ± 0.030

6500K 0.313 ± 0.030 0.329 ± 0.030

Panel While x Panel While y

≧ 250 cd/m

2

4.5 Brightness uniformity

The test standard conditions refer to Sec 4.3.

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)(backlight points nine of luminance Min.
)(backlight points nine of luminance Max.

(4)

%75

≥

L/2

4 6

1 2

7

4.6 Audio Signal

Items Specification

Input impedance

Frequency response range

Signal to noise ratio

≧ 10K ohm

200Hz –20kHz

40 dB≧

5

8

Fig.3

L/10

W/10

3

9

W/2

Output power

Loading impedance

Note: The low pass RC Filter (R=100Ω / C=0.047uF) for Class-D output power and THD+N measurement, and under 1KHz, 1Vrms

and sine wave input.

2 W + 2 W(±≦ 20% tolerance), THD 10%.

4 ohm

5. Function Specifications

All the tests to verify specifications in this section shall be performed under the following standard conditions unless

otherwise noted. The standard conditions are:

Temperature : 25 ± 5°C
Warm-up time : 30 minutes minimum
Checking display modes : All the specified modes

5.1 Keypad Function

5.1.1

Control buttons

[AUTO]

A. When OSD un-display, press [AUTO] to perform auto-adjustment
B. When OSD displays, and the current Menu is Main Menu press [AUTO] to turn off the
Main Menu, or press [AUTO] to return to previous level menu.

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A. When OSD isn’t shown on screen, press [MENU] to enter OSD interface.
B. When OSD displays, press [MENU] to perform function of menu icon that is highlight or

[MENU]

[＞], [＜]

[POWER] Power on or power off the monitor

enter next level menu, and if the Menu is the last layer of OSD press [MENU] to finish
adjust and turn off Menu.

A. When “MENU OSD” displays, press these keys to change the contents of an

adjustment item, or change an adjustment value.

B. When “MENU OSD” un-displays, press [＜] to show “Audio” OSD, press [＞] to show

“Theme Mode” OSD.

注：1.if current Menu is Language menu, when you press

[AUTO] key, it will not save your select and

5.1.2

Hot Key Operation

return to

HOT KEY OPERATION

FUNCTION

＜

FACTORY
MODE

Volume

Theme Mode

AUTO MENU

●

●

●

[MENU]

previous menu.

key ,it will save your select and return to

＞

POWER

ON

previous menu. and when you press

DESCRIPTION

Press [AUTO] at the same time, and then press
[POWER] for DC power on. OSD menu will be
shown with “F” on the left top. Select “F” for
entering factory mode

Adjust Volume

Select Theme Mode

5.2

OSD Structure

The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote control
unit. The unit shall leave the factory with all OSD controls set to their default values.

Analog:

“Picture” will be the first selected function while user power on main menu.

First Second Third Fourth Control Value Default
Auto

Input

Audio Volume 50

Picture

VGA

DVI

HDMI(optional)

Brightness 80

Contrast 50

Gamma

Gamma2.0

Gamma
Gamma2.2
Gamma2.4

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Geometry

Advanced

H-Position 50
V-Position 50

Clock 50

Phase

Color

Language

Resolution

Reminder

Information

Enable Reset

Disable

Warm Default color

Cool

Customer

Color

Theme

Mode

English

Français

Italiano

Español

日本語
简体中文
繁體中文

Red 50

Green 50

Blue 50

Movie

Game

Picture

User

Tint/Hue 50

Saturation 50

Sharpness 50

Dynamic

Enable

Disable

English

Disable

Disable

DVI:

If our monitor is in Dual mode, the gray area below will be the function which could not be adjusted.

First Second Third Fourth Control Value Default

Auto

Input

Audio Volume 50

Picture

Geometry

VGA
DVI
HDMI(optional)

Brightness 80
Contrast 50
Gamma

H-Position
V-Position
Clock
Phase

Gamma2.0
Gamma2.2
Gamma2.4

Warm Default color
Cool

Customer
Color

Gamma

Red 50
Green 50
Blue 50

2.2

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Advanced

Color

Theme
Mode

Language

Resolution
Reminder
Information
Enable Reset
Disable

English
Français
Italiano
Español

日本語
简体中文
繁體中文

Disable

Movie
Game
Picture

User

English

Tint/Hue 50
Saturation 50
Sharpness 50
Dynamic

Enable
Disable

Disable

Theme Mode Brightness Contrast

Movie 100 54

Game 100 58

Picture 100 50

User(After Reset all) 80 50

Remark:

1. Main OSD will Show 10 Second on the Screen，if there is No Operation on the OSD，And ±1 Second is

accepted.

2. Gamma 2.0(2.0±0.2), Gamma 2.2(2.2±0.2), Gamma 2.4(2.4±0.2).

3. When dynamic be enabled, after adjusting theme mode/Color Menu, DCR function will be turned off
automatically.

4.The HDMI in input menu of OSD is optional.When the model with HDMI ,and then there will Show
VGA ,DVI and HDMI in input menu of OSD .Or there will only show VGA and DVI in input menu of
OSD.

5.3 Gateway OSD Message

Item Description

Auto
Processing

No Signal

When User Press Hot-Key “Auto” or use main Menu “Auto
processing” function, will show this message ,and the monitor
do the auto process function.
When the video cable is connect, but there is no active signal
input, will show this message, then enter into power saving
mode.(will Show 3 seconds)

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1. When meet the case as below:
a. Input signal is detected by the system;
b. Input signal is out of the system support rang or supported
table which may have following case:

-input signal is out of the support H or V frequency range;

Frequency
out of range

Resolution
Reminder

Information

Reset

Input Menu

-input signal is in specified blocked list;

-Input signal is out of the system support specification;
Then will show this message.

2. The menu will be shown as:
a. Move around the full screen;
b. Desktop background in Black;
c. Continue 5 minutes and then step into Power Saving Mode.
When user entering into “Advanced” menu, user could select
“Resolution reminder” item. After selecting “Resolution
reminder”, main menu will show “Your Computer screen
resolution may not match this monitor’s optimum 1920x1080
setting. To adjust your screen resolution and see your
computer’s printed or online documentation. Press the AUTO
button on the side of this monitor after adjusting the screen
resolution. ”
While user entering into “Advanced” menu, user could select
“Information”. Main menu will show “Mode:, Input: , OSD
Vers:, SN ”.
Go to “Main menu” and select “Reset” function. After select
“Reset”, monitor will show a “Reset All” pop up window.
This Menu will Show at the Cases Below(3 Seconds) :
AC/DC On;
Power Saving On;
Burn In On;
Switch Source;
Plug and pull out Cable.

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6. SOP of PCBA ISP Programming

6.1 Operational condition:
Equipment: PC, ISP card, signal cable and power cable.
ESD requirements: antistatic wrists, antistatic gloves(fingers), and connecting cable
Name of ISP program: ISP_Tool_V4.4.2.4

Manufacture of FW IC：PMC/SST/MX

6.2 Operational steps:

1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state.

Signal cable

One port of ISP

program card is
connected to PC

2. Adjust ISP programming

Firstly, double click ISP_Tool_ V4.4.2.4 exit and click “Connect ” button; The ISP tool will connect to
monitor automatically, and it will show flash IC type automatically

FW IC

Model

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Secondly﹐download FW software: first select “READ”, and then load FW software in Rooter

(Fig.2).

Software

Checksum value

FW BIN file

Thirdly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will
be prompting if programming is OK.

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◆Note: if programming fails or success rate is not high, click “Config” and adjust its speed to lower

in “I2C Speed Setting”and check Communication Setting. If connect port is print port, please check
port type.

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3. Flow Chart

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7. SOP of EDID

7.1 Request of hardware and software:

1. Software
a.port95nt.exe
b.Edid.exe
c.FHX2300 model

2. Hardware

a. PC（winXP or win2000）1PCS；
b. Tool（EDID Card、VGA cable & DVI cable)

7.2 Operational steps:

1. First set up Port95nt.exe

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2. Click next button continually then can finish setting.

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EDID Tool Set up

A : USB interface provide +5V DC power（No Power is ok ）
B : Connect DDC Card and PC with collateral interface ；
C :VGA、DVI use different cable to link DDC and PC

A

A

B

B

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C

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EDID ISP Card:

C

A

B

A：Collateral printing interface (connect with PC)

B : VGA interface (one VGA connect with PC to provide signal for monitor the other one connect with

PC VGA interface to write VGA EDID, Write EDID can without providing signal)

C : DVI interface (connect with Monitor)

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3. Write EDID Process：

3.1 Choose File menu in main menu ，choose Auto Write button，click S/N blank .

FHX2300

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