AOC TCL LCD27VN Manual de usuario

27’’ LCD TV Color Monitor TCL LCD27VN

Service

Horizontal Frequency

31.5KHz-80KHz

TABLE OF CONTENTS

Description Page Description Page

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE

CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING

ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

7.1 Main Board.………..........................................25

7.2 Power Board………..…..…..............................29

7.3 Key/IR Board….………...............….......................31

7.4 Earphone Board....……………..............................32

8. Block Diagram.……….….........................................33

8.1 Main Board.…….……………………………..….33

8.2 Power Board……….…....………………….......34

9. Schematic Diagram……………...…………………...35

9.1 Main Board……………..…..………………………..35

9.2 Power Board.............….....................................46

10.Exploded View……………….....................…..48

11. BOM List…............................................................49

12. Different Parts List.................................................74

Table Of Contents.......……..............................…........1

Revision List.…........................................……......2

1. Monitor Specification..................................………........3

2. Operating Instructions……………...……….……….......4

2.1 The Use Of Remote Control..……………...................4

2.2 Front Panel Control Knobs.…...............……...............5

2.3 OSD Operations…...………........................…............6

3 Input/Output Specification…………..........................10

3.1 Input Signal Connector……......................................10

3.2 RGB Input Signal Timing …….....……......................11

4. Mechanical Instructions………………...…..................12

5. Repair Flow Chart ……………………….……….....18

6. White Balance Luminance Adjustment….……..........23

7. PCB Layout ………….…………………….…....….......25

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

R FOR TH

UNIT WHEN S

27’’ LCD TV Color Monitor TCL LCD27VN

Revision List

Version

Release Date

Revision Instructions

TPV Model

A00

Oct.-25-2006

Initial Release

EF84MGNKB2TLTMP

EF84MGNKB2TL2M

27’’ LCD TV Color Monitor TCL LCD27VN

1. Monitor Specifications

Items

Specification

LCD Panel

Screen Size

27” TFT LCD color Panel (CMO)

Aspect Ratio

16:9

Resolution

1366 x 768 (WXGA)

Active Display Area H x V

596.259mm x 335.232mm

Pixel Pitch

0.4365mm ×0.4365mm

Display colors

16.7 million

Contrast Ratio

1000:1 (Typical)

Brightness

550 cd / m²(Typical)

Viewing Angle

176°(Horizontal) / 176°(Vertical)

Response Time

8 ms

Lamp Lifetime

60,000 hr

Color Temperature

Cool / Warm

TV Function

TV Tuning System

NTSC 181 Channel (PLL band) electronic adjustment system

Sound System

MTS + SAP

Color Systems

NTSC

Video Inputs

AV1

RCA x 1

Audio channel L/R x 1

AV2

RCA x 1

Audio channel L/R x 1

(Shared)

S-Video x 1

Component

YCbCr x 1

Audio channel L/R x 1

HDTV

YPbPr x 1

Audio channel L/R x 1

PC Input

Signal Input

Analog: D-Sub 15 pin (detachable cable)

PnP compatibility

DDC2B

Input frequency

Analog: FH: 31.5 KHz to 80 KHz

FV: 56 Hz to 75 Hz

Recommended

Analog: 1024 x 768 (60Hz)

Input Audio

Headphone Mini-jack for stereo (3.5 ø)

Audio Output

Audio Output: L / R

Speaker (built-in): Two 5 watt speakers

Headphone Mini-jack jack stereo (3.5 ø)

Line Output (RCA L/R)

OSD language

English, French and Spanish (default is Spanish)

Power

Power Supply

AC 110V~240V, 50/60 Hz

Power Consumption

<150 W

Panel Tilt

Forwards/Backwards/ Rotation

-5° / +20°/ ±35°

Environment

Operating Temp.

+ 0 °C ~ + 40 °C

Storage Temp.

- 10 °C ~ + 60 °C

Operating Humidity

10% ~ 85%

Dimension

W x H x D (with stand)

898 x 500x285(mm)

Weight

With Stand

13.4Kg

Accessories

D-Sub Signal Cable, AC Power cord, 3.5mm Audio cable, Remote Controller, Battery (x2),

User’s manual

27’’ LCD TV Color Monitor TCL LCD27VN

SLEEP

With this key you can set a

time period after which the

TV should switch itself to

standby. Press the key

repeatedly to select the

number of minutes. The

counter runs from 0, 30, 60,

120 minutes. The timer

begins to count down from

the number of minutes

selected after the display has

disappeared.

SWAP

Press to swap the two

screens when PIP or

POP is work

2. Operations Instructions

2.1 The Use Of Remote Control

POWER:

Press to turn on/off the TV. The TV

is never completely powered off

unless it is physically unplugged.

0~9/100 Digit buttons

To select a TV channel.

Press ▲ or▼ to brows

through the TV channels

which are not erased. To

view a blocked channel,

use the digit buttons to

access the channel and

enter your access code.

VOL

Press + or –to

adjust the volume.

SIZE

Display the graphic

in 16:9 or 4:3 mode

PIP

ON/OFF

Used to switch the PIP

function ON or OFF

MUTE

Temporarily interrupt

the sound or restore it.

DISPLAY

Press this button to

Display Channel

number on the right-top

corner.

MTS

Press this key to

activate Multichannel

Television Sound,

Stereo or Mono sound.

PRE-CH

To display the previously

selected TV channel.

TV/VIDEO

Select your input source: press

TV/VIDEO and ▲, ▼, ◄, ► to

select TV,S-VIDEO, AV1, AV2,

COMPONENT,VGA(PC) or

HDTV mode, according to

where you connected your

external source.

AV1/AV2 for a VCR connected

to the AV connectors of the

TV.

S-VIDEO for a S-Video VCR

connected to the S-VIDEO

connector of the TV.

COMPONENT and HDTV

input via Y,Cb,Cr / Y,Pb,Pr on

the DVD Player or set top

box.

VGA For PC mode

CAPTION

Press this button to turn

Closed Caption on.

MENU, ▲, ▼, ◄, ►

These buttons are used to

display or adjust the various

functionalities.When the PIP

is ON but no menus are

available, use these ▲, ▼,

◄, ► to change the position

of the PIP.

V-CHIP

Use this button to define

the movies that this TV set

can receive

PIP/POP

Press this button to

display PC input and

other input on the

screen at the same time

PIP

TV/VIDEO

Select the signal source: If you

are in main picture or HDTV

mode, you can select audio1,

audio2, S-video, color contrast

or TV signal. Otherwise, you

can only select computer

graphics or HDTV.

27’’ LCD TV Color Monitor TCL LCD27VN

2.2 Front Panel Control Knobs

Power Key: Press to turn on or off the TV.

MENU Key: Press to show the OSD menu and exit OSD menu at the TV.

Down / Up Key: Press to perform select function and channel.

Left / Right Key: Press to confirm your function selection and adjustment.

Source Key: Press to select your input source.

27’’ LCD TV Color Monitor TCL LCD27VN

2.3 OSD Operations

TO USE THE MENUS

1. Press the MENU button repeatedly to display each menu

2. Use the cursor up/down to select a menu item or adjust the setting of Menu item.

3. Use the cursor left/right to enter a submenu or enable the function.

4. Press the MENU button to exit the menu.

MAIN MENU

Press the MENU button into the main OSD (On Screen Display). Adjust item include PICTURE PARAMETERS,

PC PARAMETERS, AUDIO SETTINGS, PICTURE-IN-PICTURE, CHANNEL SETTINGS, PARENTAL

CONTROLS and GENERAL SETTINGS.

PICTURE PARAMETERS

BRIGHTNESS: Adjust the brightness of the image.

CONTRAST: Adjust the contrast of the image.

SATURATION: Adjust the depth of color of the image.

HUE: Adjust the red/green hue of the image.

COLOR TEMP: Adjust the color temperature to your preference: 5000°, 6500°, 9300°K or select USER R, USER G,

USER B to define your personal settings.

FLESHTONE: The flesh tone is automatically adjusted, rendering a more natural color.

SHARPNESS: Adjust the sharpness of the video image for display accordingly.

27’’ LCD TV Color Monitor TCL LCD27VN

PC PARAMETERS

AUTO CONFIG: Enable the automatic configuration of the optimum size of the graphic.

CLOCK: Adjust the time.

PHASE: Adjust the phase of the graphic.

POSITION: Adjust the position and angle of the graphic.

AUDIO SETTINGS

BASS: Adjust bass tone.

TREBLE: Adjust treble tone.

SRS: Switch SRS surround sound ON or OFF.

MTS: Select MONO, STEREO or SAP for bilingual setup.

MUTE: Temporarily mute the sound (can be done through remote control).

27’’ LCD TV Color Monitor TCL LCD27VN

PICTURE-IN-PICTURE

PIP POSITION: The PIP can be placed in any position on the screen according to one’s wishes. If there is no

menu, use the ▲, ▼, ◄, ►buttons on the remote control to change the PIP position.

PIP SIZE: Can be used to switch the PIP off (OFF) or select the size (SMALL, MEDIUM, LARGE) of the PIP.

Can also be used to select one of two types (POP, PBP) of dual graphics.

CHANNEL SETTINGS

SYSTEM: Used to choose between (ANTENNA) or (CABLE).

PARENTAL CONTROLS

27’’ LCD TV Color Monitor TCL LCD27VN

LOCK MENU: Switch the functionality to configure ratings on or off.

MPAA RATING: Configure MPAA ratings.

TV PG RATING: Configure TVPG ratings.

PASSWORD: Change the password (default is ‘1111”). Please follow the instructions on the screen. Once

changed, please remember your own password. If you have forgotten your password, please do the following:

“POWER (OFF) →MENU →V-CHIP →MUTE”to revert to the default password of 1111.

CAPTION

Press the “CAPTION” button on the remote to initiate the functionality list as shown on the left.

CC CONTROL: Switch the subtitles function ON or OFF.

MODE: Select mode of subtitles.

DISPLAY: Select display of subtitles.

GENERAL SETTINGS

OSD POSITION: Shift the position to one’s preference.

OSD TIMEOUT: Configure the time to be displayed on screen.

OSD LANGUAGE: Configure the language (English, French or Spanish) for the menu.

OSD LOCK: Lock the selected configurations to prevent them from being overwritten.

SLEEP TIMER: Configure the time for sleep mode.

INFORMATIONS : Display the resolution and H sync, V synch for the main graphic.。

FACTORY RESET: Select YES to revert to default configurations.

TRANSPARENCY: Adjust the brightness of the background.

27’’ LCD TV Color Monitor TCL LCD27VN

3. Input/Output Specification

3.1 Input Signal connector

This procedure gives you instructions for installing and using the LCD TV display.

Lay the display on the desired operation and plug the power cord into a convenient AC outlet. Three-wire power

cord must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical

conduct ground. If the AC outlet in your location does not have provisions for the grounded type plug, the installer

should attach the proper adapter to ensure a safe ground potential.

Connect the 15-pin D-SUB color display shielded signal cable to your signal system device and lock both screws on

the connector to ensure firm grounding. The connector information is as follow:

15 - Pin Color Display Signal Cable

Pin No.

Description

Pin No.

Description

Red Video

Green Video

Sync Ground

Blue Video

Not Used

Serial Data for DDC

Ground

H-Sync.

Red Ground

V-Sync.

Green Ground

Serial Clock for DDC

Blue Ground

Apply power to the display by turning the power switch to the "ON" position and allow about ten seconds for Panel

warm-up. The Power-On indicator lights "GREEN" when the display is on.

With proper signals feed to the display, a pattern or data should appear on the screen, adjust the brightness and

contrast to the most pleasing display, or press auto-adjust to get the best picture-quality.

This TV (with PC function) has power saving function following the VESA DPMS. Be sure to connect the signal

cable to the PC.

If your TV requires service, it must be returned with the power cord.

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