LG FPD2200, LM295B Service Manual

SOURCE MENU DOWN/UP VOLUME POWER

SET

COLOR MONIT OR

SER VICE MANUAL

CAUTION

BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS NO. : CL-16 F ACTORY MODEL: LM295B

MODEL: FPD2200

1. LCD CHARACTERISTICS

Type : TFT Color LCD Module Active Display Area : 22.0 inches (56cm) Size : 542.0(W) x 375.0(H) x 35.3(T) Pixel Pitch : 0.294mm (H) x 0.294mm (V) Color Depth : 8-bit, 16,777,216 colors Surface Treatment : Anti-Glare, Hard Coating (3H) Backlight Unit : 4CCFL (Cold Cathode

Fluorescent Lamp)

2. OPTICAL CHARACTERISTICS

2-1. Viewing Angle by Contrast Ratio

≥

Left : 70° typ. Right : 70° typ. Top : 70° typ. Bottom : 70° typ.

2-2. Luminance : 180 cd/m

typ.

2-3. Angle at Half Luminance

Left : 45° min. Right : 45° min. Top : 35° min. Bottom : 35° min.

2-4. Contrast Ratio : 300° typ.

3. SIGNAL (Refer to the Timing Chart)

3-1. Video Input

1) Signal Input :

15 pin D-Sub Connector/ DVI-D Connector

2) Input From : Separate, RGB Analog, 0.7Vp-p/ 75Ω, Positive Digital

3) Resolution (max.): Analog - 1600x1024@60Hz Digital - 1600x1024@60Hz

3-3. Sync Input

Horizontal : 30 ~ 70 kHz Vertical : 56 ~ 61 Hz

Input Form : Separate, Analog, Digital

4. POWER SUPPLY

4-1. Power Adaptor

Input : AC 100~240V, 47 or 63Hz Output : DC 15V 5.0A

4-2. Power Consumption

5. ENVIRONMENT

5-1. Operating Temperature: 10°C~35°C (50°F~95°F)

(Ambient)

5-2. Relative Humidity : 10%~80%

(Non-condensing)

6. DIMENSIONS (with TILT/SWIVEL)

Width : 582 mm (22.91'') Depth : 73 mm (7.19'') Height : 467.5 mm (2.87'')

7. WEIGHT (with TILT/SWIVEL)

Net. Weight : 14.8 kg (32.63 lbs) Gross Weight : 18.0 kg (39.69 lbs)

8. USB

Upstream : 1 port, Downstream : 2 port Speed : High-12Mbps, Low-1.5Mbps

CONTENTS

SPECIFICATIONS

- 2 -

SPECIFICATIONS ................................................... 2

PRECAUTIONS ....................................................... 3

TIMING CHART ....................................................... 4

OPERATING INSTRUCTIONS ................................ 5

WIRING DIAGRAM ............................................... 10

DISASSEMBLY .......................................................11

BLOCK DIAGRAM ................................................ 14

DESCRIPTION OF BLOCK DIAGRAM...................15

ADJUSTMENT ...................................................... 16

TROUBLESHOOTING GUIDE .............................. 17

PRINTED CIRCUIT BOARD................................... 21

EXPLODED VIEW...................................................24

REPLACEMENT PARTS LIST ...............................26

SCHEMATIC DIAGRAM......................................... 34

MODE

POWER ON (NORMAL)

STAND-BY

SUSPEND

POWER OFF

H/V SYNC

ON/ON OFF/ON ON/OFF

POWER CONSUMPTION

less than 80 W

less than 8 W less than 8 W

less than 8 W

LED COLOR

GREEN AMBER AMBER

OFF

VIDEO

ACTIVE

OFF OFF

- 3 -

WARNING FOR THE SAFETY-RELATED COMPONENT.

• There are some special components used in LCD monitor that are important for safety. These parts are

marked on the schematic diagram and the replacement parts list. It is essential that these critical

parts should be replaced with the manufacturer’s specified parts to prevent electric shock, fire or other hazard.

• Do not modify original design without obtaining written permission from manufacture or you will void the original parts and labor guarantee.

TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT.

• Must mount the module using mounting holes arranged in four corners.

• Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.

• Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the panel.

• Protect the module from the ESD as it may damage the electronic circuit (C-MOS).

• Make certain that treatment person’s body are grounded through wrist band.

• Do not leave the module in high temperature and in areas of high humidity for a long time.

• The module not be exposed to the direct sunlight.

• Avoid contact with water as it may a short circuit within the module.

• If the surface of panel become dirty, please wipe it off with a softmaterial. (Cleaning with a dirty or rough cloth may damage the panel.)

WARNING

BE CAREFUL ELECTRIC SHOCK !

• If you want to replace with the new backlight (CCFL) or inverter circuit, must disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms.

• Handle with care wires or connectors of the inverter circuit. If the wires are pressed cause short and may burn or take fire.

PRECAUTION

CAUTION

Please use only a plastic screwdriver to protect yourself from shock hazard during service operation.

TIMING CHART

- 4 -

VIDEO

SYNC

Mode

H/V

Sort

<< Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >>

Sync

Polarity

Frequency

DOT

Clock

Total Period

(E)

Video Active

Time (A)

Sync Duration

(D)

Back Porch

(F)

Front Porch

(C)

Resolution

H – 31.469 800 640 16 96 48 V – 59.94 525 480 10 2 33 H + 35.156 1024 800 24 72 128 V + 56.250 625 600 1 2 22

H – 48.363 1344 1024 24 136 160 V – 60.0 806 768 3 6 29

H + 37.879 1056 800 40 128 88 V + 60.317 628 600 1 4 23

H 64.35 2160 1600 64 192 304 V + 59.92 1074 1024 1 3 46

H + 60.000 1800 1280 96 112 312 V + 60.000 1000 960 1 3 36 H + 63.981 1688 1280 48 112 248 V + 60.02 1066 1024 1 3 38

800x600

60Hz

800x600

56Hz

640x480

60Hz

1024x768

60Hz

1600x1024

60Hz

1280x960

60Hz

1280x1024

60Hz

H + 75 2160 1600 64 192 304 V + 60.00 1250 1200 1 3 46

1600x1200

60Hz

25.175

36.0

40.0

65.0

108.0

139.0

162.0

SOURCE MENU DOWN/UP VOLUME POWER

SET

OPERATING INSTRUCTIONS

- 5 -

FRONT VIEW

FRONT PANEL CONTROLS

SOURCE MENU DOWN/UP LEFT/RIGHT

SET

Use this button to enter or exit the On Screen Display.

This indicator lights up green when the monitor operates normally. If the monitor is in DPM (Energy Saving) mode (stand-by/ suspend/power off), this indicator color changes to amber.

Power Indicator

Use this button to turn the monitor on or off.

Power Button

Use this button to enter a selection in the On Screen Display.

Power Button

MENU Button

Power Indicator

SOURCE Selection Button

SET Button

DOWN/UP ( ) Buttons

LEFT/RIGHT ( ) Buttons

MENU Button

Use these buttons to choose or adjust items in the On Screen Display.

DOWN/UP ( ) Buttons

Use these buttons to choose or adjust items in the On Screen Display.

LEFT/RIGHT ( ) Buttons

SET Button

Use this button to select an input signal.

DSUB

DVI

INPUT SELECT

DIGITAL ANALOG

(S)

(AV)

SOURCE

DOWN/UP

LEFT/RIGHT

SET

SOURCE DOWN/UP

SET

SOURCE Selection Button

• DVI DIGITAL : DVI digital signal

• DSUB ANALOG : 15-pin D-sub

analog signal

• V1(AV): Composite video

• V2(S): S video

- 6 -

REAR PANEL CONTROLS

Connected to another object (stand type and wall-mounted type – optional)

Locking slot

connected to a locking cable that can be purchased separately at most computer stores.

DC15V S-Video Video

DC Power Connector

DVI-D Connector

S-Video Input Jack

D-sub Connector

Composite Video

Input Jack

DC15V S-Video VideoINPC Audio

Sound

Audio

L R

Making adjustments to the image size, position and operating parameters of the monitor are quick and easy with the On Screen Display Control system. A quick example is given below to familiarize you with the use of the controls. Following section is an outline of the available adjustments and selections you can make using the OSD.

To make adjustments in the On Screen Display, follow these steps:

Press the MENU Button, the main menu of the OSD will appear.

To access a control, use the DOWN/UP ( ) Buttons. When the desired control icon is highlighted, press the SET Button.

Press the DOWN/UP ( ) Buttons to select the desired item.

Use the VOLUME ( ) Buttons to adjust the item to the desired level.

Accept the changes by pressing the SET Button.

Exit the OSD by Pressing the MENU Button.

VOLUME

DOWN/UP

SET

DOWN/UP

NOTE

Allow the monitor to stabilize for at least 30 minutes before making image adjustment.

- 7 -

Listed below are the icons, icon names, and icon descriptions of the items that are shown on the Menu.

Adjusting the Screen when Using a Computer

Brightness

Used to adjust the brightness of the screen.

Contrast

Adjust the display to the contrast desired.

USER

9300K 6500K

RED / GREEN / BLUE

To set your own color levels. To appear the displays color temperature.

• 9300K:Slightly bluish white.

• 6500K:Slightly reddish white.

Vertical Position

To move image up and down.

Horizontal Position

To move picture image left and right.

Note : When a digital signal is set as an input, only the SETUP item can be adjusted. You do not need to adjust the other items.

Image

RGB

Color

Position

Setup

PIP

CONTRAST/BRIGHTNESS

CONTRAST

BRIGHTNESS 100

100

Tracking

Position

Setup

PIP

Tracking

Image

RGB

Color

COLOR ADJUSTMENT

USER 9300K 6500K

50RED

50GREEN 60BLUE

RGB

Color

Setup

PIP

Tracking

IMAGE POSITION

VERTICAL

HORIZONTAL 50

Image

Position

- 8 -

To minimize any vertical bars or stripes visible on the screen background.The horizontal screen size will also change.

To adjust the focus of the display. This item allows you to remove any horizontal noise and clear or sharpen the image of characters. Phase adjustment should be done after adjusting the Clock.

To choose the language in which the control names are displayed.

This function displays the image in its original size or enlarged size so as to fit in the full screen of the LCD panel.

To adjust position of the OSD window on the screen. Press the SET button to display the submenu for OSD POSITION.

LANGUAGE

IMAGE SIZE

OSD POSITION

To select beep on or off.

To adjust horizontal and vertical image size simultaneously. If you want to move the zooming point, use the H/V POSITION function in the sub-menu. However, if the monitor turns off when zooming in and out the screen, the monitor will be returned to original screen.

It show how long the monitor has been used.

BEEP

ZOOM

ELAPSED TIME

CLOCK

PHASE

This function is suitable for analog signal input only. This button is for the automatic adjustment of the screen position, clock and phase.

AUTO

To adjust the size of the PIP screen. :SMALL/MEDIUM/LARGE

To adjust the position of PIP screen. Press the SET button to display the submenu for PIP POSITION.

PIP SIZE

PIP POSITION

To adjust the image of the PIP screen; Press the SET button to display the submenu for PIP IMAGE. Use the LEFT/RIGHT ( ) buttons to adjust the item to the desired level.

PIP IMAGE

To select an input signal for PIP. V1 (AV) / V2 (S)

PIP SOURCE

To select the sub-screen on/off.

PIP ON/OFF

This PIP (Picture-inPicture) function allows the image from the VCR or DVD to be displayed on a sub-screen while you are using a computer.

Position

Setup

Image

RGB

Color

TRACKING

AUTO OFF

CLOCK

PHASE 50

PIP

Tracking

Position

Tracking

Image

RGB

Color

SETUP

LANGUAGE

IMAGE SIZE OSD POSITION TRANSPARENCY BEEP ZOOM

1024 x 768 48.3 kHz / 60Hz

ELAPSED TIME 00000H

Setup

PIP

FULL

ENGLISH

RGB

Color

PIP

Tracking

Image

Position

OSD POSITION

VERTICAL

HORIZONTAL 50

Setup

Position

Setup

Tracking

Image

RGB

Color

PIP

PIP ON/OFF OFF

PIP

PIP SOURCE V1 ( AV ) PIP SIZE LARGE PIP POSITION

PIP IMAGE

Position

Setup

Tracking

Image

RGB

Color

PIP

PIP POSITION

VERTICAL

HORIZONTAL 50

Position

Setup

Tracking

Image

RGB

Color

PIP IMAGE

PIP

50 50

PIP BRIGHTNESS

PIP CONTRAST

PIP SHARPNESS PIP COLOR

50PIP TINT

PIP CONTRAST

Adjust the display to the contrast desired.

PIP BRIGHTNESS

Used to adjust the brightness of the screen.

PIP SHARPNESS

To adjust the clearness of the screen.

PIP COLOR

To adjust the color to desired level.

PIP TINT

To adjust the tint to desired level. This function is available only in NTSC broadcasting mode.

- 9 -

Used to adjust the brightness of the screen.

BRIGHTNESS

Adjust the display to the contrast desired.

CONTRAST

To adjust the clearness of the screen.

SHARPNESS

To adjust the tint to desired level. This function is available only in NTSC broadcasting mode.

TINT

To adjust the color to desired level.

COLOR

To choose the language in which the control names are displayed.

This function displays the image in its original size or enlarged size so as to fit in the full screen of the LCD panel.

To adjust position of the OSD window on the screen. Press the SET button to display the submenu for OSD POSITION.

LANGUAGE

IMAGE SIZE

OSD POSITION

To adjust the transparency of the OSD menu screen.

To select beep on or off.

TRANSPARENCY

BEEP

Adjustment

ADJUSTMENT

50 50 50

BRIGHTNESS

CONTRAST

SHARPNESS COLOR TINT

Setup

Adjustment

SETUP

IMAGE SIZE

LANGUAGE

OSD POSITION TRANSPARENCY BEEP

Setup

FULL

ENGLISH

Adjustment

Setup

OSD POSITION

VERTICAL

HORIZONTAL 50

Adjusting the Screen when Using VCR/DVD ( V1 / V2 ) Connecting the VCR/DVD

1. Connect the audio/video output jacks of the VCR/DVD

to the corresponding input ports of the set. If you connect the S-Video input port to external equipment, you can enjoy high definition display.

S-Video Video

VIDEO

OUT

S-VIDEO

OUT

• Monitor

• VCR/DVD

Press the SOURCE button on the front panel of the monitor to select an input.

V1(AV): Composite video, V2(S): S-video

DSUB

DVI

INPUT SELECT

DIGITAL ANALOG

(S)

(AV)

SOURCE DOWN/UP

SET

2. Select an input signal.

- 10 -

WIRING DIAGRAM

J21

J1 1

J12

J19

CN1

CN3

CN2

CN4

CN5

P/No. : 6631T11006B

- 11 -

DISASSEMBLY

(a)

1. TILT/SWIVEL REMOVAL

1) Remove three screws (a).

2) Remove the Tilt/Swivel.

2. BACK COVER ASS’Y REMOVAL

1) Remove fourteenth screws (a).

2) Remove the Back Cover Ass’y.

3. METAL REAR ASS’Y REMOVAL

1) Remove twelve screws (a).

2) Remove the Metal Rear Ass’y.

(a)

- 12 -

(d)

(c)

(b)

(c)

(a)

(c)

(a)

5. METAL STAND CAST REMOVAL

1) Remove two screws (a), remove the Stand CAST.

6. METAL MAIN ASS

’Y, CONTROL PCB ASS’Y REMOVAL

1) Remove two screws (a).

2) Remove the Control PCB.

3) Remove two screws (b).

4) Remove six screws (c).

5) Remove two screws (d).

6) Remove the Metal Main Ass’y & LCD Module.

4. INVERTER ASS’Y, MAIN TOTAL REMOVAL

1) Remove five screws (a).

2) Disconnect J1, J4, J19, J21 connector, remove the Main Total Ass’y.

3) Remove three screws (b).

4) Disconnect CN2, CN3, CN4, CN5 connector, remove the Inverter Ass’y.

5) Remove eight screws (c).

(b)

(a)

(c)

(a)

CN3

CN1

J21

CN2

J19

J12

J11

(c)

CN4

CN5

(a)

- 13 -

(b)

(c)

(a)

(b)

(a)

7. LCD CONTROL BOARD REMOVE

1) Disconnect five connectors (a).

2) Remove five screws (b).

3) Remove two screws (c).

(a)

8. BACKLIGHT REMOVAL

1) Remove two screws (a).

2) Remove the Backlight from the LCD Module.

+ 30 hidden pages

LG FPD2200, LM295B Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual