Service menual for lcd tv 15”/17”/20” tft-lcd tv/monitor haier group.
Content 1 contents ---------------------------------------------------------------------------- 2 main unit description--------------------------------------------------------------- 3 features--------------------------------------------------------------------------------- 4 warning and cautions---...
2.main unit description control panel function 1. Menu press to select the main menu 2. Vol- volume down / left orientation to adjust the item 3. Vol+ volume up / right orientation to adjust the item/press to enter the submenu. 4. Pro- tv channel down / to select the item in the menu 5. Pro+ tv chan...
3.Features model no. Functions l20av6-a0 l17lv6-a1 l15sv6-a0 1 tft lg lg sva 2 screen size 20inch 17inch 15inch 3 aspect ratio 4:3 15:9 5:4 4 resolution 640×480 1280×768 1280×1024 5 brightness 350cd/m2 450cd/m2 250cd/m2 6 contrast(darkroom) 450:1 400:1 400:1 7 response time(ms) 25 25 16 8 color syst...
Model no. Functions l20av6-a0 l17lv6-a1 l15sv6-a0 28 tv in yes yes yes 29 d-sub jack yes yes yes 30 dvi socket no no no 31 scartsocket yes yes yes 32 ear-phone out yes yes yes 33 teletext yes yes yes 34 semitransparent menu yes yes yes 35 zoom no no no 36 16:9 mode no no no 37 child lock no no no 38...
4.Warnings and cautions 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 d...
! 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 ...
5.Replacement of memory ic 1. Memory ic. This lcd tv uses memory ic. In the memory ic are memorized data for correctly operating the video and sound circuits. When replacing memory ic, be sure to use ic written with the initial value of data. 2. Procedure for replacing memory ic (1) power off unplug...
6.Net dimension 1.L20av6-a0 2.L17lv6-a1.
3.L15sv6-a0
7.Remote controller functions when using the remote control, aim it towards the remote sensor on the tv illustration of the keys on the remote control : 1. Power power supply switch 2. M u te m u te 3. Display display current input signal information 4. 0-9 tv channel number select 5. Sleep set time...
6. Ⅰ/Ⅱ nicam/a2 stereo select 7. Ok exit 8. Q.View quick tv channel switch(return to the last channel) 9. Vol- volume down / left orientation to adjust the item in the osd vol+ volume up / right orientation to adjust the item/press to enter the submenu. 10. Pro+/pro- tv channel up/down or select the...
Grounding ensure that you connect the grounding / earth wire to prevent possibleelectric shock. If grounding methods are not possible, have a qualifiedelectrician install a separate circuit breaker. Do not try to ground the unit by connecting it to telephone wires, lightening rods, or gas pipes..
8.Principle ics 1. Uoc3 function:tv signal processor with teletext and nicam.
2. Nt68521 function: scaler.
3. Sm5964(plcc) function: mcu.
4. Tpa1517ne function: audio power amplifier.
9. Block diagram.
10.Exploded view num parts name 1 front frame 2 lcd screen 3 lcd module shield borad 4 lcd screen 5 whole engine 6 loudhailer 7 no 8 rear cover 9 bracket 10 key board bracket.
11.List of parts 1.L20av6-a0 2.L17lv6-a1 1 dc0n00e0p00 17lv6-a1 28 0090600260 screw 2 0094014593 17” mainboard subassembly 29 0090600216 screw nu m material code parts name num material code parts name 1 dc0mx0e1500 l20av6-a0 36 0090100859 metal of base board 2 0091802127 20”main board subassembly 3...
3 0094014594 control board subassembly 30 0090600074 screw 4 0090808933 front-frame subassembly 31 0090600249 screw 5 0090804324 lcd screen 32 0090600012 accuse-self screw 6 0094010420 loudhailer 33 0090800020 metal wire 7 0090207341 front-frame 34 0090402783 connecting wire for lcd 8 0090206494 lef...
12.Trouble shooting 1. Power supply trouble 2. Display trouble 2.1 exceptional screen.
2.2 white screen 2.3 black screen.
3. Audio trouble 4. Function touble 4.1 tv-1.
4.1 tv-2 4.3 pc.
4.4 scart rgb, scart video, s-video, av.
Sincere forever tel:86-532-88938356.