Haier LC-1910P Manual de usuario

LC-1910P

1. Features

2. Safety Precautions

3. Images of Module and Circuit Boards

4. Key IC Description& Trouble Shooting Guide

5.Signal Flowing Chart

6. Bus Control Adjustment

7. Circuit Diagram

Features

NO.

Functions

Model

LC-1910P

1 TFT SAMSUNG

2 Screen size 19inch

3 Aspect ratio 16:9

4 Resolution 1280×1024

5 Brightness 300cd/m

6 Contrast(Darkroom) 700:1

7 Response time(ms) 8

8 Color system NTSC

9 NO. of preset channels 181

10 Picture mode Yes

11 Angel of view H:150

/ V:135

12 Color display 16,777,216

13 Color level 16

14 OSDlanguages ENGLISH\FRENCH\SPANISH

15 AV stereo Yes

16 Surrounding sound No

17 Audio system M

18 Bass Yes

19 Balance Yes

20 Sound mode Yes

21 Mute Yes

22 BTSC Yes

23 AV input Yes

24 AV output No

25 Y CB CR Yes

26 Y PB PR Yes

27 S-video jack Yes

28 TV in Yes

Model

NO.

Functions

LC-1910P

29 D-SUB jack Yes

30 DVI socket No

31 SCART socket No

32 Ear-Phone Out Yes

33 CCD,V-CHIP Yes

34 Semitransparent menu Yes

35 ZOOM No

36 16:9 mode Yes

37 Child Lock Yes

38 Quick View Yes

39 NO. of built-in speakers 2

40 Audio output power(Built-in)(W) 2*1.5

41 Total power input（W）80

42 Voltage range（V）120

43 Power frequency（Hz）60

44 Time of sleep timer(MINS) 240

45 Approval UL

46 Suitable market U.S.A

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Warning

High voltages are used in the operation of this product.

Do not romove the cabinet back from your set. Refer

servicing to qualified service personnel.

Warning

To prevent fire or electrical shock hazard, Do not expose

the main unit to rain or moisture.

Warning

Do not drop or push objects into the television cabinet

slots or openings. Never spill any kind of liquid on the

television receiver.

Caution

If the television is to be built into a

compartment or similarly enclosed, the

minimum distances must be maintained.

Heat build-up can reduce the service life of

your television, and can also be dangerous.

Minimum

10c

20c

10c 5cm

Caution

Never stand on, lean on, push suddenly the product or its

stand. You should pay special attention to children to children.

Caution

Do not place the main unit on an unstable cart stand, shelf or

table. Serious injury to an individual, and damage to the

television, may result if it should fall.

Caution

When the product is not used for an extended period of time, it

is advisable to disconnect the AC power cord from the AC

outlet.

Caution

Avoid exposing the main unit to direct sunlight and other

source of the heat. Do not stand the television receiver

directly on other produces which give off heat. E. g. video

cassette players,Audio amplifiers. Do not block the

ventilation holes in the back cover. Ventilation is essential to

prevent failure of electrical component. Do not squash power

supply cord under the main unit.

Caution

The LCD panel used in this product is made of glass.

Therefore, it can break when the product is dropped or

applied with impact. Be careful not to be injured by

broken glass pieces in case the LCD panel breaks.

Images of Module and Circuit Boards

1.images of Remote Board Subassembly

2.images of Control Panel Subassembly

3.images of Main Board

4.images of Power Supply

5.images of Inverter

Key IC Description

1.UOC3

Function：TV signal processor with Teletext and Nicam

PIN SYMBOL DESCRIPTION

1 VSSP2 ground

2 VSSC4 ground

3 VDDC4 Digital supply to SDACs(1.8V)

4 VDDA3(3.3V) Supply(3.3V)

5 VREF_POS_LSL Positive reference voltage SDAC(3.3V)

6 VREF_NEG_LSL+HPL Negative reference voltage SDAC(0V)

7 VREF_POS_LSR+HPR Positive reference voltage SDAC(3.3V)

8 VREF_NEG_HPL+HRP Negative reference voltage SDAC(0V)

9 VREF_POS_HPR Positive reference voltage SDAC(3.3V)

10 XTALIN Crystal oscillator input

11 XTALOUT Crystal oscillator output

12 VSSA1 ground

13 VGUARD/SWIO V-guard input/I/O switch (e.g.4mA current sinking

capability for direct drive of LEDs)

14 DECDIG Decoupling digital supply

15 VP1 1st supply voltage TV-processor(+5V)

16 PH2LF Phase-2 filter

17 PH1LF Phase-1 filter

18 GND1 Ground 1 for TV-processor

19 SECPLL SECAM OLL decoupling

20 DECBG Bandgap decoupling

21 EWD/AVL East-West drive output or AVL capacitor

22 VDRB Vertical drive B output

23 VDRA Vertical drive A output

24 VIFIN1 IF input 1

25 VIFIN2 IF input 2

26 VSC Vertical sawtooth capacitor

27 IREF Reference current input

28 GNDIF Ground connection for IF amplifier

29 SIFN1/DVBIN1 SIF input 1/ DVB input 1

30 SIFN2/DVBIN2 SIF input 2/ DVB input2

31 AGCOUT Tuner AGC output

32 EHTO EHT/over voltage protection input

33 AVL/SWO/SSIF/REFO/

REFIN

Automatic volume leveling/switch output/sound IF

input sub-carrier reference output/external reference

signal mixer for DVB operation

34 AUDIOIN5L Audio-5 input(left signal)

35 AUDIOIN5R Audio-5 input(right signal)

36 AUDOUTSL Audio output for SCART/CINCH(left signal)

37 ADUOUTSR Audio output for SCART/CINCH(right signal)

38 DECSDEM Decoupling sound demodulator

39 QSS0/AMOUT/AUDEE

QSS inter-carrier output/AM

output/deemphasis(front-end audio out)

40 GND2 Ground 2 for TV processor

41 PLLIF IF-PLL loop filter

42 SIFAGC/DVBAGC AGC sound IF/internal-external AGC for DVB

applications

43 DVBO/IFVO/FMRO Digital Video Broadcast output/IF video output/FM

radio output

44 DVBO/FMRO Digital Video Broadcast output/IF video output

45 VCC8V 8 Volt supply for audio switches

46 AGC2SIF AGC capacitor second sound IF

47 VP2 2th supply voltage TV processor(+5V)

48 IFVO/SVO/CVBSI IF video output/selected CVBS out/CVBS input

49 AUDIOIN4L Audio-4 input(left signal)

50 AUDIOIN4R Audio-4 input(right signal)

51 CVBS4/Y4 CVBS4/Y4 input

52 C4 Chroma-4 input

53 AUDIOIN2L/SSIF Audio 2 input (left signal)/sound IF input

54 AUDIOIN2R Audio 2 input (right signal)

55 CVBS2/Y2 CVBS2/Y2 input

56 AUDIOIN3L Audio 3 input(left signal)

57 AUDIOIN3R Audio 3 input(right signal)

58 CVBS3/Y3 CVBS 3/Y2 input

59 C2/C3 Chroma-2/3 input

60 AUDOUTLSL Audio output for audio power amplifier (left signal)

61 AUDOUTLSR Audio output for audio power amplifier (right signal)

62 AUDOUTHPL Audio output for headphone channel (left signal)

63 AUDOUTHPR Audio output for headphone channel (right signal)

64 CVBSO/PIP CVBS/PIP output

65 SVM Scan velocity modulation output

66 FBISO/CSY Flyback input/sandcastle output or composite H/V

timing output

67 HOUT Horizontal output

68 VSScomb Ground connection for comb filter

69 VDDcomb Supply voltage for comb filter(5V)

70 VIN(R/Prin2/Cx) V-input for YUV interface(2th 日input/Pr input or Cx

input)

71 UIN(B/PBIN2) U-input for YUV interface(2th B input/PB input)

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