Haier HLH19BB Manual de usuario
HLH19BB
TV-8888-68
CONTENT
CONTENT--------------------------------------------------------------------------------------------------1
Features----------------------------------------------------------------------------------------------------2
Safety Precautions--------------------------------------------------------------------------------------4
Images of Module and Circuit Boards-----------------------------------------------------------6
Key IC Description--------------------------------------------------------------------------------------8
Trouble Shooting Guide-----------------------------------------------------------------------------17
Signal Flowing Chart-----------------------------------------------------------------------------------26
Circuit Diagram----------------------------------------------------------------------------------------27
Features
Model
NO. Functions
HLH19BB
1TFT SAMSUNG
2Screen size 19inch
3Aspect ratio 4:3
4Resolution 1280*1024
5Brightness 300cd/m26Contrast(Darkroom) 700:1
7Response time(ms) 12
8Color system NTSC
9NO. of preset channels 181
10 Picture mode Yes
11 Angel of view H:150e/ V:135e12 Color display 16,777,216
13 Color level 16
14 OSD languages 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 HLH19BB
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 NO
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˅60
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.
6DIHW\3UHFDXWLRQV
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 Description1.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
M
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 ᮹input/Pr input or Cx
input)
71 UIN(B/PBIN2) U-input for YUV interface(2th B input/PB input)
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