Haier L37V6-A8K Manuale utente

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L37V6-A8K

TFT-LCD TV/MONITOR

Service Manual

Haier Group

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Contents

Contents--------------------------------------------------------------------------2

Safety Caution------------------------------------------------------------------ 3

Specification---------------------------------------------------------------------5

Instruction of remote controller---------------------------------------------- 6

Cautions and Notes-------------------------------------------------------------7

Factory menu--------------------------------------------------------------------9

Connection sketch-------------------------------------------------------------13

Signal flowing chart-----------------------------------------------------------14

Trouble shooting guide--------------------------------------------------------16

BOM List------------------------------------------------------------------------17

Circuit diagram------------------------------------------------------------------41

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Safety caution

Warning

To avoid fire or electric hazards,never place your television receiver in an

area with heavy moisture.Attention should be paid to avoid accidental

scratches or impacts onto the LCD screen.The function of sound may be

lost and the function may be disordered in electrostatic discharge ,they

can be restored by operation of the controls.

Caution

Unauthorized disassembly of this product is prohibited.

Power supply

This product requires AC power supply. The voltage value is as per the

information specified on the rating label,which is fixed on the back of the

television set.

Disconnect the televison set with the power source or antenna plug when

it heavily rains with thunderstorm or power supply is interrupted.Do not

tie the electric cables to any other objects to avoid accident damages.

Application area

Do not expose the television set directly to floodlight,sunlight,heavy

humidity,high temperature or thick dusts.Locate the television set in a

well-ventilated area,away from vibration and blockage of ventilation port

on the television rear side.

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Cleaning

Unplug the television set when the LCD screen is to be cleaned.Use soft

fabrics for cleaning the screen and electric cables.If necessary, a piece of

wet but clean soft cloth can be used for cleaning the screen,but never use

any liquid or spray detergent.

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Specification

1、Power equipment

This product requires AC power supply. The voltage value is

as per the information specified on the rating label,which is

fixed on the back of the television set.

2、Power consumption

The power consumption is less than 180 watt which is

marked on the back cover.

3、Ports

Power in、Antenna input、Earphone output 、Video andAudio

input 、S-Video input 、D-SUB input(Use as monitor) 、

YUV(YPbPr/YCbCr) and Audio input、DVI input、Side Video

and Audio input、DVI/PC audio input、USB input

4、Color system: PAL/NTSC/SECAM, Sound system:BG/DK/I/M.

Multi-sound mode and picture mode.

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Instruction of remote controller

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Cautions and Notes

Caution:

1、Don’t close the power supply when the TV set is on,because

it may short the life-span of TV.

2、Before welding PCB turn off the power first, otherwise it may

cause short circuit.

3、Adjustment must be done with correct instructions

NOTE:

1、When the remote controller doesn’s work ,please insure that

there is no obstacle between TV set and the remote

controller.

2、Keep the remote controller away from heat source or high

moisture and avoid impacts to the remote controller.

3、Do not operate the remote controller directly in floodlight or

strong sunlight.

4、When the television temperature is low ,initial pictures might

flicker a bit.

5、Some red,green and blue spots may appear on the screen.

6、When used as a compucter monitor,It is recommended that

television screens with 1024*768 pixel/60Hz.

7、Sometimes the remote controller is out of function.this may be

caused by that the Low Emitting Diode is disturbed by

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daylight lamp or other equipment which transmits infrared.To

solve this problem you can move the TV set away from the

equipment.

8、If the screen displays a static picture for a long time,the screen

will still maintain the static picture if you turn to another

channel.This is decided by the characteristic of liquid crystal.

If you meet this problem,change to another dynamic

picture,12 hours later,this status will disappear.

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Factory menu

Factory menu options

1. To enter factory menu you can follow the steps:

A.Press “MENU”, and the main menu will display on the

screen.

B.Press “DISPLAY” three times continuously, and a red “M” will

display on the top-left corner of the screen.

2. To change to next page, press ”MENU” please.

3. To quit from factory menu, please press”DISPLAY”.

4. Factory menu items:

A. Version informations:

Manufacturer

Version

Date

B. TV/AV position items

H-Position

V-Position

C. White banlance adjusting items:

R_DRV

G_DRV

B_DRV

R_CUT

G_CUT

B_CUT

R_Offset1

G_Offset1

B_Offset1

Backlight

Note:a. There is two separate group parameters you can change:

TV/AV/Svideo/USB and HDTV. Two group parameters are

saved separately. Press “TV/AV” to switch beween the two

groups.

b. In this menu, you can press “-/--/---” to adjust white banlance

automatically. But if you doesn’t like the auto-adjust result,please

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adjust the parameters manually.

D. Brightness and contrast numerical value range adjusting.

Video_Bri_MAX

Video_Bri_MID

Video_Bri_MIN

Video_Con_MAX

Video_Con_MID

Video_Con_MIN

HDTV_Bri_MAX

HDTV_Bri_MID

HDTB_Bri_MIN

HDTV_Con_MAX

HDTV_Con_MID

HDTV_Con_MIN

PC_Bri_MAX

PC_Bri_MID

PC_Bri_MIN

PC _ Con _MAX

PC _ Con _MID

PC _ Con _MIN

E. EEPROM menu

a. Page 3

Index 10

Value 0: DVI channel disable.

1: DVI channel enable.

b. Page 3

Index 9

Value 0: OSD zoom disable

1: OSD zoom enable.

c. Page 3

Index 8

Value 0: Photo channel disable

1: Photo channel enable.

d. Page 4

Index 11

Value 0: Sumsang panel

1:LG.PHILIPSpanel.

F. DEBUG menu

Slave addr

Page

Index

Value

G. Power on status

Power on status 0: When AC power on, the TV set will start up to “TV”

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