LCD Monitor Service Guide for

L2 (Module) Repair

Model: VW192 Series

V1.0

RESTRICTIONS ON USE OF MATERIALS This manual is only for ASUS authorized service centers to repair ASUS LCD product. The documents are provided as is and no copy, reproduction or transfer shall be made without first acquiring prior written approval from ASUSTEK. All rights reserved

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Release Version List Version Issue Date Remarks

V1.0 2006.09.05 First Release

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Index I. VW192 Series LCD Monitor Overview......................................................1 II. Product Specification ................................................................................2 III. MMI...........................................................................................................3

Front side..................................................................................................3 Back side ..................................................................................................5

IV. Menu & Operating Mode...........................................................................6 V. Disassembly & Assembly..........................................................................7

1. Precaution .........................................................................................7 2. Suggest Tools ....................................................................................8 3. Disassembly Procedure.....................................................................9

3.1 Stand Subsystem.......................................................................10 3.2 Board Subsystem ...................................................................... 11 3.3 Panel Subsystem.......................................................................19

4. Assemble Procedure .......................................................................21 4.1 Panel Subsystem.......................................................................22 4.2 Board Subsystem.....................................................................24 4.3 Stand Subsystem.......................................................................32

VI. HW Block Diagram .................................................................................33

I. VW192 Series LCD Monitor Overview Main product features include

19” Screen 1440 *900 5ms Response Time (Tr+Tf)

with 300nits/700:1 Contrast Ratio 160/160 degree Wide Viewing Angle SPLENDIDTM Video Intelligence Technology Protection glass (For VW192G only) Dual Video Input (For VW192T only) 5 Video Preset Modes (Hotkey) 3 Skin-tone selections Built-in Stereo Speakers (For VW192S/Tonly) VESA Wall Mounting

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II. Product Specification

D-SUB DVI Audio GlassVW192T Y Y Y VW192S Y Y VW192D Y VW192G Y Y

Technical Specification

Panel Size 19" Wide (16:10) Response Time 5ms Protection Glass Yes (For VW192G only) Brightness (Max.) 330cd/m2

Contrast Ratio (Max.) 700:1 Viewing Angle (H/V) 160/160 Max. Resolution WXGA+ 1440*900

Pixel Pitch 0.285mm

Panel

Display Color 16.2M

Splendid (Video Intelligence) Yes

Analog 15-Pin D-Sub Inputs

PC Audio Line-in 3.5mm mini jack

Output Speaker 1W x 2 Stereo

Tile +20~-5

Wall Mounting (VESA) Yes(100mm) ME Color Black

Security Kensington lock Yes Power Supply AC: 100~240V Power on mode <46W Power Standy by mode <2W Net (WxHxD) 458x368x207 mm

Dimension Packing (WxHxD) 500x424x152 mm

Net 4.3kg Weight

Gross 5.8kg

Accessory D-sub cable, Audio cable, Power cord, Quick Start Guide

Regulation Approval TCO03, VCCI, Energy Star 2006, UL/cUL, CB, CE, FCC, CCC, BSMI, Gost-R, C-Tick, PSB, MIC, WHQL

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III. MMI

Front side

1. SPLENDID Button:

Use this hotkey to switch from five video preset modes (Game Mode, Night View Mode, Scenery Mode, Standard Mode, and Theater Mode) with SPLENDID™ Video Enhancement Technology.

Exit the OSD menu or go back to the previous menu as the OSD menu is active.

Automatically adjust the image to its optimized position, clock, and phase by pressing this button for 2-4 seconds.

2. ◄−Button: Press this button to decrease the value of the function selected or move

to the previous function. This is also a hotkey for Volume adjustment.

3. MENU Button: Press this button to enter/select the icon (function) highlighted while the

OSD is activated.

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4. −►Button: Press this button to increase the value of the function selected or move

to the next function. This is also a hotkey for Brightness adjustment.

5. Power button Press this sensor to turn the monitor on/off

6. Power indicator The color definition of the power indicator is as the below table.

LED Status Description

Blue Power ON Amber Standby mode OFF Power OFF

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Back side

Rear connectors (form let to right) 1. PWR port. This port connects the power connector from the bundled

power cord. 2. DVI port. This 24-pin port is for PC (Personal Computer) DVI-D digital

signal connection. (Only for some models) 3. VGA port. This 15-pin port is for PC VGA connection. 4. Audio-in port. This port connects PC audio source by the bundled audio

cable. (Only for some models)

Rear Connectors

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IV. Menu & Operating Mode Menu

Splendid Image Color (1) Scenery Mode (2) Standard Mode (3) Theater Mode (4) Game Mode

(5) Night View Mode

(1) Brightness (2) Contrast

(3) Sharpness (4) Saturation

(5) Position (For VGA only)(6) Focus (For VGA only)

(1) Color Temp. (2)Skin Tone

Input Select System Setup (1) <VGA> (1) Volume

(2) OSD Setup (3) Language

(4) Information (5) Reset

Supported Operating Mode

Standard

Resolution Horizontal Frequency

Vertical Frequency

Pixel Frequency

DOS 720×400 31.47KHz 70Hz 28.32MHz 640×480 31.47KHz 60Hz 25.18MHz 640×480 37.90KHz 72Hz 31.50MHz

VGA

640×480 37.50KHz 75Hz 31.50MHz 800×600 35.16KHz 56Hz 36.00MHz 800×600 37.90KHz 60Hz 40.00MHz 800×600 48.10KHz 72Hz 50.00MHz

SVGA

800×600 46.90KHz 75Hz 49.50MHz 1024×768 48.40KHz 60Hz 65.00MHz 1024×768 56.50KHz 70Hz 75.00MHz

XGA

1024×768 60.02KHz 75Hz 78.75MHz 1280×1024 64.00KHz 60Hz 108.00MHz SXGA 1280×1024 80.00KHz 75Hz 135.00MHz

VESA 1152×864 67.50KHz 75Hz 108.00MHz VESA

(Primary) 1440×900 55.90KHz 60Hz 106.00MHz

＊Modes not listed in the table may not be supported. For optimal resolution,

we recommend that you choose a mode listed in the table above.

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V. Disassembly & Assembly

1. Precaution Please read the precautions as follows to prevent any damages to the LCD Monitor and also select the appropriate tools for disassembly and re-assembly.

Make sure all power connection is removed. Be sure that the LCD Monitor is in power off status.

Prepare soft cloth and sponge as working platform to place LCD monitor

horizontally.

Hold LCD by the side carefully and DON’T touch or press panel directly.

Remove all rings, watches and any other metal objects from your hands

which possible to cause scratch.

Always wear a ground strap or anti-static glove to protect the parts from

static discharge. ESD (electro-static discharge) protection is required to guarantee the safety of product and personnel.

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2. Suggest Tools Here are some tools that can be used for the LCD monitor’s service and repair. Philips-head Screwdriver Use a Philips-head screwdriver to fasten/remove the K- or B-typed screws

P/N：N/A

Gloves To protect LCD Panel and your hand

P/N: (L) 16-003300131 (M) 16-003300130 C/D Disassembly Tool Use C/D Disassembly Tool to open cosmetic cover and avoid scratch.

P/N: 13GV0400PZZZZ Spacer Screwdriver Use a spacer screwdriver to fasten/remove spacer screws or hex screws.

P/N: N/A

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3. Disassembly Procedure Information in this section is to perform the disassembly procedure of the LCD monitor. Depending on the failures, replace the defective parts accordingly. Asus VW192 Series LCD Monitor consists of various subsystems. This section describes the procedures for LCD monitor disassembly. In addition, the detailed disassembly procedures of individual subsystem will be provided for your service needs. The disassembly procedure consists of the following steps: 3.1 Stand Subsystem 3.2 Board subsystem 3.3 Panel subsystem

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3.1 Stand Subsystem 1. Turn the screw counterclockwise to remove it.

2. Unlock the clips to dismount BASE.

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3.2 Board Subsystem Back Cover 1. Release 2 screws on the HINGE COVER.

2. Push up to dismount HINGE COVER.

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3. Remove 4 screws on the BACK COVER.

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4. Hold the STAND to lift and remove BACK COVER.

Cables 1. Remove 5 Pieces of TAPE.

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2. Release 2 screws on KEY BOARD

3. Unplug KEY BOARD CABLE.

4. Take away KEY BOARD and KEY BOARD CABLE.

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5. Disconnect SPEAKER CABLE.

6. Unplug LAMP CABLES.

Speaker Module 1. Open 2 Pieces of TAPE on SPEAKER CABLE.

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2. Release 4 screws on SPEAKERS.

3. Take away the SPEAKER MODULE.

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Main Shielding 1. Release 4 screws on MAIN SHIELDING.

2. Pull down MAIN SHIELDING slightly, but do not remove it.

3. Open the left and right latches of LVDS CABLE to unplug it, and then take

away the MAIN SHIELDIND.

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Main Board and Power Board 1. Remove POWER BOARD MYLAR.

2. Release 2 screws on D-SUB PORT and DVI PORT (For VW192T only).

3. Release 4 screws on POWER BOARD and 2 screws on MAIN BOARD

4. Take out POWER BOARD and MAIN BOARD.

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5. Separate POWER BOARD and MAIN BOARD.

6. Pull out LVDS CABLE carefully.

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3.3 Panel Subsystem 1. Remove 6 screws on LCD PANEL.

2. Lift the LCD PANEL and separate from BEZEL carefully.

3. Remove 4 screws on both sides.

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4. Dismount Left and right BRACKETS

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4. Assemble Procedure Information in this section is to perform the assembly procedure of the LCD monitor. Asus VW192 Series LCD monitor consists of various subsystems. This section describes the procedures for LCD monitor assembly. In addition, the detailed assembly procedures of individual modules will be provided for your service needs. The assembly procedure consists of the following steps: 4.1 Panel Subsystem 4.2 Board subsystem 4.3 Stand subsystem

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4.1 Panel Subsystem 1. Following the steps, take out LAMP CABLE form the hole of LCD left

BRACKET, and then assemble left BRACKET and LCD PANEL.

2. Assemble right BRACKET and LCD panel.

3. Tighten 4 screws on both sides.

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3

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4. Locate LCD in BEZEL and press down to fix it.

5. Secure 6 screws on LCD PANEL..

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4.2 Board Subsystem Main Board and Power Board 1. Insert LVDS CABLE.

2. Assemble POWER BOARD and MAIN BOARD.

3. Place POWER BOARD and MAIN BOARD on MAIN SHIELDING.

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4. Tighten 4 screws on POWER BOARD and 2 Screws on MAIN BOARD.

5. Use spacer screwdriver to secure 4 screws on D-SUB PORT and DVI

PORT(For VW192T only).

6. Paste POWER BOARD MYLAR

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Main Shielding 1. Insert LVDS CABLE.

2. Cover MAIN SHIELDING over LCD PANEL.

3. Tighten 4 screws on MAIN SHIELDING.

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Speaker Module 1. Mount SPEAKER MODULE.

2. Secure 4 screws on SPEAKERS

3. Paste 2 pieces of TAPE.

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Cables 1. Plug LAMP CABLES.

2. Connect SPEAKER CABLE.

3. Place KEY BOARD and KEY BOARD CABLE over LCD.

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4. Connect KEY BOARD CABLE with MAIN BOARD.

5. Secure 2 screws on KEY BOARD.

6. Paste 5 pieces of TAPES.

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Back Cover 1. Assemble BACK COVER, and press down along sides to lock latches.

2. Tighten 4 screws.

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3. Assemble HINGE COVER.

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4. Tighten 2 screws on HINGE COVER.

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4.3 Stand Subsystem 1. Mount BASE under STAND.

2. Turn the screw clockwise to tighten it.

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VI. HW Block Diagram