Hisense LCD2005EU Manuale utente

SERVICE MANUAL

LCD2005EU/LCD2606EU/LCD3205EU

INNOVATION IS LIFE

Oct. 22 2005

LCD3206EU/LCD2633EU/LCD3233

INNOVATION IS LIFE

CONTENTS

•SAFETY PRECAUTION

•PRODUCT SAFETY NOTICE

•PRODUCT FUNCTION

•LCD PANEL SPEC.

•BLOCK DIAGRAM

•CIRUIT DIAGRAM

•SOFTWARE UPDATING

•FAQ

•SPARE PARTS

INNOVATION IS LIFE

SAFETY PRECAUTION

WARNING:

Service should not be attempted by anyone unfamiliar with the necessary precaution on this

receiver.The following are the necessary precaution to be observed before serving this chassis.

1.Since the power supply circuit of this receiver is directly connected to the AC power line ,an

Isolation transformer should be used during any dynamic service to avoid possible shock hazard.

2.When replacing a chassis in the cabinet, always be certain that all the protective devices are put

back in place, such as : non-metallic control knobs, insulating cover,shields, isolation resistor-

capacitor network etc.

3.When replacing parts or circuit boards, disconnect the power cord.

4.When replacing a high wattage resistor (oxide metal film resistor ) on the circuit board, keep the

resistor(1/2in) away from circuit board.

6.Connection wires must be kept away from components with high voltage or high temperature.

7.If any fuse in this LCD TV receiver is blown , replace it with the FUSE specified in the chassis

part list.

INNOVATION IS LIFE

PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in the chassis have special safety-related

characteristics.These characteristics are often passed unnoticed by a visual inspe-

ction.When replacement parts are required , be sure the service technician uses

replacement parts specified by us that have the same characteristics as the original

part. Unauthorized substitutions may result in fire , electric shock , injury to persons

or other hazards.This LCD TV product should be situated away from heat source such

as radiation,stoves,or other product that produce heat .

INNOVATION IS LIFE

PRODUCT FUNCTION

Input connections

- I2C ( for software updating)

- Analog RGB 15pin input X1

- HDMI input X1

- Cable/antenna RF X1

- Component input X1

- S-Video input X1

-Scart(CVBS+RGBin)X1

- Scart Video in X1

- AV/ S-Video/ Component audio input X1

Output connections

- Headphone output X1

- Subwoofer output X1

- Audio output X1

Note:

1.AV/ S-Video/ Component audio signal

can not input at the same time.

2.Only LCD2606EU and LCD3206EU have

subwoofer output and audio output.

- Analog RGB audio input X1

LCD-TV features

PRODUCT FUNCTION

•Multimedia - TV receiver, Video monitor and PC display, all in one.

•Wider viewing angle,over 176 view angle

•Digital display device - truthfully reproducing the images, without distortion

or blurring, irrespective of magnetic or geomagnetic effect.

•200 channels storage

•Sleep timer

•Teletext with 252 pages memory

•NICAM/A2

•Dual SCART interface

•Multi-language OSD

INNOVATION IS LIFE

－The LCD panel is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent

Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.

It is a transmissive type display operating in the normally black mode. This TFT-LCD has a 32.0 inch

diagonally measured active display area with WXGA resolution (768 vertical by 1366 horizontal pixel array).

Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.

Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot,

thus, presenting a palette of more than 16.7M(true) colors with 8Bit.

－The panel has been designed to apply the 8Bit LVDS interface.

－It is intended to support LCD TV, PCTV where high brightness, wide viewing angle, high color saturation,

and high color are important.

LCD PANEL SPEC.

General Description

CN1

(20pin)

LVDS

5pair

Power Circuit

Block Source Driver Circuit

TFT- LCD Panel

(1366

×ٛ

RGB

×ٛ

768pixels)

S1 S1280

G768

Back light Assembly (16CCFL)

2pin x 8CNs (High)

RGB

Timing Controller

(LVDS Rx integrated)

Gate Driver Circuit

8pin x 2CNs (Low)

Inverter

(CN2,CN3)

+24.0V

CN1

(20pin)

LVDS

5pair

Supplying Voltage

Power Circuit

Block Source Driver Circuit

TFT- LCD Panel

(1366

×ٛ

RGB

×ٛ

768pixels)

S1 S1280

G768

Back light Assembly (16CCFL)

2pin x 8CNs (High)

RGB

Timing Controller

(LVDS Rx integrated)

Gate Driver Circuit

8pin x 2CNs (Low)

Inverter

(CN2,CN3)

+24.0V

LCD PANEL SPEC.

INNOVATION IS LIFE

Active Screen Size 31.51 inches(80.04cm) diagonal

Outline Dimension 760(H) x 450(V) x 32(D) mm(Typ.)

Pixel Pitch 0.5107mm x 0. 5107mm x RGB

Pixel Format 1366 horiz. By 768 vert. Pixels RGB strip

arrangement

Color Depth 16.7M colors

Viewing

Angle(CR>10) View Angle Free (R/L170(Typ.), U/D 170(Typ.))

Contrast Ratio 800

Supplying Voltage +5V

Power

Consumption Total 110.4 Watt (Typ.)

Response Time 21ms

Luminance, White 500cd/m2

Surface Treatment Hard coating 3H and Anti-glare

General Features

LCD3206EU/LCD3205EU: QD32HL01(QDI LCD PANEL)

LCD PANEL SPEC.

INNOVATION IS LIFE

Active Screen Size 26 inches(66cm) diagonal

Outline Dimension 626(H) x373(V) x 44.1(D) mm(Typ.)

Pixel Pitch 0. 1475mm x 0. 4215mm x RGB

Pixel Format 1366 horiz. By 768 vert. Pixels RGB strip

arrangement

Color Depth 16.7M colors

Viewing

Angle(CR>10) View Angle Free (R/L176(Typ.), U/D 176(Typ.))

Contrast Ratio 600

Power

Consumption Total 76.18 Watt (Typ.)

Response Time 21ms

Luminance, White 500cd/m2

Surface Treatment Hard coating 3H and Anti-glare treatment of the

front polarizer

General Features

LCD2606EU: LC260WX (LG LCD PANEL)

LCD PANEL SPEC.

INNOVATION IS LIFE

Active Screen Size 20 inches(51cm) diagonal

Outline Dimension 479.0(H) x278.4(V) x 31.8(D) mm(Typ.)

Pixel Pitch 0. 1475mm x 0. 4215mm x RGB

Pixel Format 1366 horiz. By 768 vert. Pixels RGB strip

arrangement

Color Depth 16.7M colors

Viewing

Angle(CR>10) View Angle Free (R/L170(Typ.), U/D 170(Typ.))

Contrast Ratio 800

Power

Consumption Total 47 Watt (Typ.)

Response Time 16ms

Luminance, White 450cd/m2

Surface Treatment Hard coating 3H and Anti-glare treatment of the

front polarizer

General Features

LCD2005EU:T200XW01(AU LCD PANEL)

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