Haier LE50K6000SF Скачать руководство пользователя страница 39

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Failure Mode

Part

Name

Description

Phenomena

Failure cause

Mechanlcal
Nolse

When
turn panel,appear
cacophony

Caused
b y M e c h a n i c a
noise of backlight
unit

Ripple

Connectric circle

Causeed by
between
mechanism and
pannel

B/L off

B/L lose action

*Connect
badness
between wire and
electrode

B/L dark

B / L b r i g h t n e s s
darker than
normal

*Connect
b a d n e s s S h o r t
between wire and
electrode

B/L
wire damaged

Operation
abnormal
or systemic noise

B/L wire open

Without backlight

Operation
abnormal
or systemic noise

B/L shut down

B/L shutdown in
sometime

S h o r t b i t w e e n
lamp housing and
w i r e , B e c a u s e
consume power
too much

F/M

F/M
inB/L ,white,balck
Rotundity
or wirelike

F/M in B/L unit

Service Manual

Model No.:

- 38 -

Содержание LE50K6000SF

Страница 1: ...advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians An...

Страница 2: ...nd Assemble 4 1 Remove the Stand Base 6 7 7 7 11 11 4 2 Remove the Back Cover 11 4 3 Remove the Adhesive Tape 11 4 4 Remove the Main Board 12 4 5 Remove the Speaker 12 4 6 Remove the Remote Control Bo...

Страница 3: ...instructions in the literture accompanying the appliance 1 3 2 Be careful to the electrical shock 7R SUHYHQW GDPDJH ZKLFK PLJKW UHVXOW LQ HOHFWULF VKRFN RU UH GR QRW H SRVH WKLV 79 VHW to rain or exce...

Страница 4: ...UHFHLYHU RQO WKH WHVW WXUHV VSHFL HG LQ WKLV VHUYLFH PDQXDO CAUTION R QRW FRQQHFW WKH WHVW WXUH JURXQG VWUDS WR DQ KHDW VLQN LQ WKLV UHFeiver 3 Do not spray chemicals on or near this receiver or any...

Страница 5: ...static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconducto...

Страница 6: ...bed in the table below Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger...

Страница 7: ...RAY TO GRAY Angel of View Color Display 16 7M No of Preset Channels OSD Language En Color System PAL SECAM Audio System DK BG I Audio Output Power Built in W 8W 2 Audio Output Power outer W No Total P...

Страница 8: ...07 Service Manual Model No 3 Location of Controls and Components 3 1 Board Location No Description A Board Main board 3 2 Main Board A Board Main board...

Страница 9: ...anslate into signal that panel can display RQQHFWRU GH QLWLRQ Main board connector Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK Keypad and remote connector CN201...

Страница 10: ...3 3 LED Panel 09 Service Manual Model No V500HJ1 PE8 C7...

Страница 11: ...Service Manual Model No 10 3 4 Connector Definition 3 4 Connector Definition...

Страница 12: ...WKDW UHDU FRYHU faces upward 5HPRYH WKH VFUHZ IURP WKH UHDU FRYHU LQGLFDWHG ZLWK 7KHQ UHPRYH WKH SHGHVWDO 4 2 Remove the Back Cover 5HPRYH WKHVH VFUHZ LQGLFDWHG RQ JXUH DERYH E 7KHQ UHPRYH WKH EDFN FR...

Страница 13: ...4 4 Remove the Main board 5HPRYH WKH 0DLQ ERDUG Service Manual Model No 12 LVFRQQHFWHG WKH FRXSOHU 4 5 Remove the speaker Take out the speaker...

Страница 14: ...4 6 Remove the remote control board take out the remote controlboard Service Manual Model No 13...

Страница 15: ...5 Installation Instructions 5 1 External Equipment Connections Service Manual Model No 14 Accessories Remote control refers to user manual Remote control refers to user manual...

Страница 16: ......

Страница 17: ......

Страница 18: ...5V X5R 0805 RD64 4 7K RD141 120K 1 RD63 4 7K C107 0 1uF 16V X7R TLV62561 UD8 IC DCDC TLV62565 1 5A 5 5V SOT23 5 GND 2 LX 3 VIN 4 OUT FB 5 EN 1 C111 10uF 25V X5R 0805 C126 1000PF 50V X7R CD102 10uF 6 3...

Страница 19: ...AMP_AUR 7 AV AUOUTR0 10 AV AUOUTL0 10 QP_S_1 8 IP_S_1 8 DISEQC 8 VBL_CTRL 2 AV 10 YPbPr PB 10 YPbPr PR 10 SCART AV IN 10 SCART FB 10 SCART FS 10 YPbPr Y 10 SCART G 10 SCART R 10 SCART B 10 VGA HSYNC 1...

Страница 20: ...4 RXE_1 4 RXE_4 4 RXE_2 4 TUNER_SCL 4 TUNER_SDA 4 LCD_OP 4 Title Size Document Number Rev Date Sheet of Change list 1 0 MSD3643GSA Custom 5 10 Tuesday October 11 2016 Title Size Document Number Rev D...

Страница 21: ...DMI1_RX1N 4 HDMI1_RX1P 4 HDMI1_CLKP 4 HDMI1_RX0N 4 HDMI1_CLKN 4 HDMI1_DEC 4 HDMI2_RX2P 4 HDMI2_RX2N 4 HDMI2_RX1P 4 HDMI2_RX1N 4 HDMI2_RX0N 4 HDMI2_CLKP 4 HDMI2_RX0P 4 HDMI2_CLKN 4 HDMI2_HPDIN 4 HDMI2_...

Страница 22: ...nF 6 3V X5R C283 3300PF RD23 10K FB13 NC 600 2A 0805 RD125 100K CD10 1uF 25V X5R 0603 CD21 1uF 25V X5R 0603 LD3 10 4A 0603 CD77 NC 47nF 6 3V X5R QD1 3904 3 1 2 CD22 1uF 25V X5R 0603 RD128 1K RD18 NC 1...

Страница 23: ...16 Title Size Document Number Rev Date Sheet of Change list 1 0 MSD3643GSA Custom 8 10 Tuesday October 11 2016 Title Size Document Number Rev Date Sheet of Change list 1 0 MSD3643GSA Custom 8 10 Tuesd...

Страница 24: ...PCM_WAIT_N 4 TS1_CLK 4 PCM_IRQA_N 4 PCM_D 7 0 4 PCM_REG_N 4 TS0_CLK 4 PCM_CD_N 4 PCM_OE_N 4 PCM_WE_N 4 TS1_D 7 0 4 PCM_IORD_N 4 TS0_D 7 0 4 TS0_SYNC 4 TS0_VLD 4 TS1_SYNC 4 Title Size Document Number R...

Страница 25: ...Change list 1 0 MSD3643GSA Custom 10 10 Tuesday October 11 2016 Title Size Document Number Rev Date Sheet of Change list 1 0 MSD3643GSA Custom 10 10 Tuesday October 11 2016 Title Size Document Number...

Страница 26: ...Service Manual Model No 25...

Страница 27: ...Service Manual Model No 7 Trouble shooting 7 1 Simple check 26...

Страница 28: ...is 12V at Pin35 in CN202 No Replace the QD6 Yes Check if there is 43V at PCN4 Yes No test if PU5 Pin8 3 3V Pin1 normally Change LVDS wire No Replace PU5 Check if PQ6 PD14 PR46 works normally Yes Repl...

Страница 29: ...e picture Check if there is sound input signal Check the input source Yes No Check if there is signal at C601 and C602 Check if there is signal at C220 and C221 No Yes Check if there is signal at FB11...

Страница 30: ...es Check C138 1 2V Check CD86 1 5V Check C113 3 3V Change U107 Change UD7 Change Q101 No Yes Change mainchip U202 No Change Mainboard Still having problems No sound No picture NO LED indicate Check PD...

Страница 31: ...or sound Change sound system No Update the software and make the reboot or change the Mainboard Still having problems For ease of use recommend that customer format the picture and sound settings in t...

Страница 32: ...to relative instructions in the Manual for color adjust No No Yes Yes Check out of picture and sound system of this channel Change the channel to the right sound system PAL M N NTSC M No color for so...

Страница 33: ...lace PD3 How to know whether the Power board is broken Still having problems Check if Main board LVDS wire Panel are in good condition No Reconnect the power cord with the outlet or Power board Yes EC...

Страница 34: ...t software and work well 5 Verify if the Y1 Crystal has the right frequency Panel not work 1 Check the LED Back light set up IC output and input are working 2 Verify if the Mainboard output the right...

Страница 35: ...t well Verify the power cord 5V standby is working 3 Check if voltage of the POWER ON OFF of the power board part is on the high level voltage 4 12V 5V output check if there is 12V 5V output on the po...

Страница 36: ...r cracking Dim or L D TCP Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray...

Страница 37: ...r Bubble Bladder in Polarizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F M i n s i d e Polarizer Eyewinker inside Polarizer Eyewinker inside P...

Страница 38: ...isplay Maybe caused by surge current and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crossta...

Страница 39: ...s between wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire...

Страница 40: ...iption Phenomena Failure cause Mechanlcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount...

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