Daewoo DDQ-20L6SCN Скачать руководство пользователя страница 33 | Manualshive

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TROUBLE SHOOTING GUIDE

(1) NO POWER

D802

CHECK

I800

#6-7 ohm test

(moreX100

Ω

)

I800

#5 Voltage

CHECK

I800

#7 Waveform

CHECK

D821

Voltage

CHECK

F801(Fuse)

CHECK

N

Y

N

N

N

Y

Y

Y

Y

Y

D802

CHKECK/CHANGE

D802,R821,C804

CHKECK/CHANGE

I810

CHKECK/CHANGE

I701, RLY1

CHECK/CHANGE

R809

CHECK/CHANGE

I800 CHANGE

Fuse CHANGE

All manuals and user guides at all-guides.com

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Содержание DDQ-20L6SCN

Страница 1: ... ANTENNA INPUT IMPEDANCE 75ohm Unbalanced AUXILIARY INPUT TERMINAL REAR PART S VHS VIDEO AUDIO L R SIDE PART VIDEO AUDIO L R AUXILIARY OUTPUT TERMINAL REAR PART VIDEO AUDIO L R COAXIAL DIGITAL AUDIO SIDE PART EARPHONE INTERMEDIATE FREQUENCIES PICTURE IF CARRIER FREQUENCY 45 75MHz SOUND IF CARRIER FREQUENCY 51 25MHz COLOR SUB CARRIER FREQUENCY 3 58MHz REMOTE CONTROL R 52E05 SPECIAL FUNCTION 1 3 LAN...

Страница 2: ...RINTED CIRCUIT BOARD 25 8 1 PCB MAIN 25 8 2 PCB POWER 26 9 IC DESCRIPTION U COM I701 27 9 1 U COM I701 PIN ASSIGN 27 9 2 PIN DISCRIPTION 28 10 CHIP COMPONENTS POSITION PCB MAIN 30 11 TROUBLE SHOOTING GUIDE 31 A TV PART 1 NO POWER 32 2 NO DEGAUSSING OPERATING 33 3 NO SEARCHING CHANNEL 34 4 NO INPUTMODE CHANGE 35 5 NO OSD 36 6 NO REMOCON OPERATING 37 7 NO PICTURE 38 8 VERTICAL DEFLECTION PART 39 9 P...

Страница 3: ...imme diately GRAPHIC SYMBOLS The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of uninsu lated dangerous voltage that may be of suffi cienty magnitude to constitute a risk of electric shock The exclamation point within an equilateral tri angle is intended to alert the service personnelto the presence of important saf...

Страница 4: ...ial mounting kit must follow the factory approved mounting instructions A receiver mounted to a shelf or platform must retain its original feet or the equivalent thickness in spacers to provide adequate are flow across the bottom bolts or screws used for fasteners must not touch and parts or wiring Perform leakage test on cus tomized installations 5 Caution customers against the mounting of a rece...

Страница 5: ...anced AUXILIARY INPUT TERMINAL REAR PART S VHS VIDEO AUDIO L R SIDE PART VIDEO AUDIO L R AUXILIARY OUTPUT TERMINAL REAR PART VIDEO AUDIO L R COAXIAL DIGITAL AUDIO SIDE PART EARPHONE INTERMEDIATE FREQUENCIES PICTURE IF CARRIER FREQUENCY 45 75MHz SOUND IF CARRIER FREQUENCY 51 25MHz COLOR SUB CARRIER FREQUENCY 3 58MHz REMOTE CONTROL R 52E05 SPECIAL FUNCTION 1 3 LANGUAGE 2 WITH CAPTION 3 CH LABEL 4 V ...

Страница 6: ...mb F Tuner for FBT M M M M S S S S P P P P 3 3 3 3 4 4 4 4 2 2 2 2 0 0 0 0 T T T T U U U U N N N N E E E E R R R R IIC2 MPX IIC2 IF OUT IIC2 Y cb cr Y C V D H D CVBS R G B C C C C h h h h r r r r o o o o m m m m a a a a I I I I F F F F L L L L A A A A 7 7 7 7 6 6 6 6 8 8 8 8 3 3 3 3 7 7 7 7 IIC2 SW ID RESE CVBS M M M M i i i i c c c c r r r r o o o o p p p p r r r r o o o o c c c c c c c c e e e e...

Страница 7: ...nel PREV CH button You can select the previous channel 3D button You can select 3D ON or 3D OFF VOLUME button TV MENU button CURSOR CHANNEL SELECT button This button functions as cursor or channel select button in setting TV DVD and operating TV respectively MUTE button Press this button if you only want to turn off the sound ENTER button Press this button if DVD setting is completed DVD MENU butt...

Страница 8: ...current track or disc in VCD CD A B button You can play the given sections a defined period from A to B repeatedly TITLE PBC button You can select the desired title or PBC ON OFF SETUP button You can set the DVD player AUDIO button You can select a voice language SUB TITLE button You can select a caption language PROGRAM button You can program the desired playing order ANGLE button You can select ...

Страница 9: ...ppear as follows S2 SCRN S5 IFC S6 GEO S8 W B S9 DP S12 FACT S7 PTRN Using the channel up or down button select the item you wish to adjust The color of selected item turns into the red Press button to enter in the service mode you wish to adjust 2 How to memorize the adjusted values in the service mode Must press DISPLAY button the state which the screen is displaying each of menusafter all adjus...

Страница 10: ...em adjust H CENTER data value to obtain proper horizontal centering of the internal cross pattern at the left and right of the screen 4 2 Vertical Position Adjustment Select V CENTER item adjust V CENTER data value to center the raster properly on the screen 4 3 Vertical Size Adjustment Select V SIZE item adjust V SIZE data value to proper vertical size Press the DISPLAY button to memorize the dat...

Страница 11: ...5 SCHEMATIC DIAGRAM 10 5 1 MAIN CIRCUIT DIAGRAM All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 12: ...SCHEMATIC DIAGRAM 11 5 2 POWER CIRCUIT DIAGRAM All manuals and user guides at all guides com ...

Страница 13: ...6 EXPLODED VIEW 12 All manuals and user guides at all guides com ...

Страница 14: ...EGULATOR KIA78R05API I601 1MSP3420V3 IC SOUND PROCESSOR MSP3420G PP B8 V3 I602 PTG2SW8210 HEAT SINK ASS Y 1TDA8944J 7174300811 00001 1TDA8944J IC SOUND TDA8944J 0000A 4857028210 HEAT SINK AL EX 0000B 7174301011 SCREW TAPPTITE TT2 RND 3X10 MFZN I603 1KA4558 IC AMP KA4558 I702 1CAT24C16P IC MEMORY CAT24WC16P I704 1KRT30 IC PREAMP KRT30 JP502 4859106440 JACK S VHS PH SJ 9503 JP503 4859111950 JACK PIN...

Страница 15: ...A R CHIP 1 10 56 OHM J 1608 RC208 HRFT560JBA R CHIP 1 10 56 OHM J 1608 RC231 HRFT223JBA R CHIP 1 10 22K OHM J 1608 RC266 HRFT223JBA R CHIP 1 10 22K OHM J 1608 RC270 HRFT473JBA R CHIP 1 10 47K OHM J 1608 LOC PARTS CODE PART NAME PART DESCRIPTION REMARK RC271 HRFT330JBA R CHIP 1 10 33 OHM J 1608 RC272 HRFT223JBA R CHIP 1 10 22K OHM J 1608 RC506 HRFT392JBA R CHIP 1 10 3 9K OHM J 1608 RC520 HRFT103JBA...

Страница 16: ...S 2 2MF 5X11 TP C545 CEXF1C331V C ELECTRO 16V RSS 330MF 8X11 5 TP C550 CMXM2A104J C MYLAR 100V 0 1MF J TP C561 CEXF1H229V C ELECTRO 50V RSS 2 2MF 5X11 TP C562 CMXM2A392J C MYLAR 100V 3900PF J TP LOC PARTS CODE PART NAME PART DESCRIPTION REMARK C563 CMXM2A153J C MYLAR 100V 0 015MF J TP C603 CEXF1C101V C ELECTRO 16V RSS 100MF 6 3X11 TP C607 CEXF1H478V C ELECTRO 50V RSS 0 47MF 5X11 TP C609 CEXF1H478V...

Страница 17: ... TIN COATING J016 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J018 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J019 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J020 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J021 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J022 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J023 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J024 85801065GY ...

Страница 18: ... WIRE COPPER AWG22 1 0 65 TIN COATING J126 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PARTS CODE PART NAME PART DESCRIPTION REMARK J127 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J128 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J129 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J130 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J131 85801065GY WIRE COPPER AWG22 1 0 65 TIN COA...

Страница 19: ...COPPER AWG22 1 0 65 TIN COATING J280 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PARTS CODE PART NAME PART DESCRIPTION REMARK J281 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J282 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J283 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J285 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J286 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J...

Страница 20: ... COPPER AWG22 1 0 65 TIN COATING R263 RD AZ473J R CARBON FILM 1 6 47K OHM J R271 RD AZ103J R CARBON FILM 1 6 10K OHM J R275 RD AZ102J R CARBON FILM 1 6 1K OHM J R276 RD 4Z750J R CARBON FILM 1 4 75 OHM J LOC PARTS CODE PART NAME PART DESCRIPTION REMARK R281 RD 4Z750J R CARBON FILM 1 4 75 OHM J R287 RD AZ102J R CARBON FILM 1 6 1K OHM J R291 RD 4Z750J R CARBON FILM 1 4 75 OHM J R292 RD 4Z111J R CARBO...

Страница 21: ...2 RD AZ102J R CARBON FILM 1 6 1K OHM J R753 RD AZ102J R CARBON FILM 1 6 1K OHM J R754 RD AZ102J R CARBON FILM 1 6 1K OHM J R756 RD AZ102J R CARBON FILM 1 6 1K OHM J R762 RD AZ102J R CARBON FILM 1 6 1K OHM J R764 RD AZ102J R CARBON FILM 1 6 1K OHM J R767 RD AZ102J R CARBON FILM 1 6 1K OHM J R769 RD AZ102J R CARBON FILM 1 6 1K OHM J R779 RD AZ102J R CARBON FILM 1 6 1K OHM J R780 RD AZ102J R CARBON F...

Страница 22: ...0V RSS 100MF 16X25 TP C834 CEXF1C102V C ELECTRO 16V RSS 1000MF 10X20 TP C836 CEXF1H471V C ELECTRO 50V RSS 470MF 13X20 TP C838 CEXF1C102V C ELECTRO 16V RSS 1000MF 10X20 TP C841 CEXF1C102V C ELECTRO 16V RSS 1000MF 10X20 TP C843 CEXF1C102V C ELECTRO 16V RSS 1000MF 10X20 TP C844 CEXF1C102V C ELECTRO 16V RSS 1000MF 10X20 TP C890 CEXF2E100V C ELECTRO 250V RSS 10MF 10X20 TP C891 CEXF2C220V C ELECTRO 160V...

Страница 23: ...LECTRO 50V RSS 100MF 8X11 5 TP C303 CXSL2H100D C CERA 500V SL 10PF D TAPPING C304 CMXM2A103J C MYLAR 100V 0 01MF J TP C305 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C306 CEXD1H109Q C ELECTRO 50V RT 1MF 6 3X11 TP C308 CMXM2A104J C MYLAR 100V 0 1MF J TP C309 CCXB2H471K C CERA 500V B 470PF K TAPPING C402 CCXB2H102K C CERA 500V B 1000PF K TAPPING C405 CCXB2H471K C CERA 500V B 470PF K TAPPING C407 CEXF...

Страница 24: ...0 65 TIN COATING J810 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J811 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J812 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J813 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J814 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J815 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J816 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J817 8580106...

Страница 25: ...R861 RD 4Z223J R CARBON FILM 1 4 22K OHM J R862 RD 4Z104J R CARBON FILM 1 4 100K OHM J R863 RD 4Z273J R CARBON FILM 1 4 27K OHM J R873 RN 4Z2002F R METAL FILM 1 4 20 0K OHM F R874 RN 4Z1602F R METAL FILM 1 4 16 0K OHM F R901 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING R907 RD 2Z272J R CARBON FILM 1 2 2 7K OHM J R908 RD 2Z272J R CARBON FILM 1 2 2 7K OHM J R909 RD 2Z272J R CARBON FILM 1 2 2 7K O...

Страница 26: ...7 PRINTED CIRCUIT BOARD 25 7 1 PCB MAIN All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 27: ...PRINTED CIRCUIT BOARD 26 7 2 PCB POWER All manuals and user guides at all guides com ...

Страница 28: ... 27 27 9 IC DESCRIPTION U COM I701 SW 2 SW 1 DVD_SELECT RESET_DETECT 9 1 U COM I701 PIN ASSIGN All manuals and user guides at all guides com ...

Страница 29: ...VOLATGE FROM LA76835 8Bit A D DC 0 Vdd 16 P87 AN7 AFT IN I AFT CONTROL OUTPUT VOLATGE FROM LA76835 8Bit A D DC 0 Vdd Center 2 5V 17 RES RESET L I SYSTEM Reset Hardware Reset INPUT ACTIVE Low 18 FILT FILTER I O Filter terminal for PLL 19 CVIN CVIN IN I Video signal input terminal for CAPTION 1Vpp In 20 VS V Sync L I OSD VERTICAL SIGNAL INPUT DC 0 5V Pulse Active Low 21 HS H Sync L I OSD HORIZONTAL ...

Страница 30: ...d by MODE When ON Timer Set When NO V Sync fresh 500mSEC Active HIGH When DVD Play ON 36 P01 DVD LED H O When NO V Sync Ω ON fresh 500mSEC Active HIGH 37 P02 SW 3 O Input Select control Signal Preference PAGE6 38 P03 MSP RESET H O Reset MSP3420GB8 Active HIGH 39 P04 H OUT H O I502 ON OFF SW Active HIGH 40 P05 A MUTE H O I601 3 ON OFF SW Active HIGH 41 P06 DG ON H O Degaussing ON OFF SW Active HIGH...

Страница 31: ... 30 10 CHIP COMPONENTS POSITION PCB MAIN All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 32: ...A TV PART B DVD PART 1 NO POWER 2 NO DEGAUSSING OPERATING 3 NO SEARCHING CHANNEL 4 NO INPUTMODE CHANGE 5 NO OSD 6 NO REMOCON OPERATING 7 NO PICTURE 8 VERTICAL DEFLECTION PART 9 PICTURE PART 10 COLOR SIGNAL PART 11 SOUND PART 12 NO DVD OPERATING All manuals and user guides at all guides com ...

Страница 33: ...Ω I800 5 Voltage CHECK I800 7 Waveform CHECK D821 Voltage CHECK F801 Fuse CHECK N Y N N N Y Y Y Y Y D802 CHKECK CHANGE D802 R821 C804 CHKECK CHANGE I810 CHKECK CHANGE I701 RLY1 CHECK CHANGE R809 CHECK CHANGE I800 CHANGE Fuse CHANGE All manuals and user guides at all guides com ...

Страница 34: ...l Connection CHECK PW501 5 PIN CHECK N N Y Y Connection check 1701 41 PIN CHKECK CHANGE DIE GAUSSING COIL CHANGE Q802 Operating CHECK N Y Q802 relation circuit check CHANGE R802 CHECK 3 ohm N Y R802 CHKECK CHANGE All manuals and user guides at all guides com ...

Страница 35: ...HING CHANNEL U101 Voltage CHECK N Y Tuner B Voltage CHECK U101 CHANGE Service DATA Check Setup SDA SCL Operating CHECK N Y SDA SCL Circuit CHECK U101 AGC Voltage CHECK Service DATA CHECK N N Y All manuals and user guides at all guides com ...

Страница 36: ... B Voltage CHECK I501 CHECK CHANGE I701 31 32 37 CHECK CHANGE INPUT signal CHECK N Y signal circuit CHECK I201 OUTPUT 3 signal CHECK N Y I201 I202 CHECK CHANGE U101 Tuner Voltage CHECK I201 I202 SW CHECK N Y All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 37: ... CHECK CHANGE 10 11 relation Circuit CHECK CHANGE OSD BL circuit CHECK I701 22 23 24 OUTPUT CHECK I701 25 OUTPUT CHECK I701 10 11 Oscilation CHECK N N Y Y Y N OSD Gain CHECK I501 14 15 16 17 INPUT CHECK N All manuals and user guides at all guides com ...

Страница 38: ... NO REMOCON OPERATING Battery CHANGE REMOCON Battery CHECK Y Y Y N I704 B 2 CHECK CHANGE I704 1 OUTPUT CHECK N Relation circuit CHECK I701 CHECK CHANGE I701 34 OUTPUT waveform CHECK N All manuals and user guides at all guides com ...

Страница 39: ...aveform CHECK I501 27 waveform check Y N N I501 CHECK CHANGE I502 Relation circuit CHECK Q402 CHECK CHANGE I501 25 Voltage CHECK N D890 relation circuit CHECK P902 1 Voltage check Y I501 32 Voltage CHECK SCT1 CRT CHECK CHANGE P902 4 waveform check Y N N DY CHECK CHANGE DY CONNECTION CHECK Y N All manuals and user guides at all guides com ...

Страница 40: ...K Y D380 relation circuit CHECK N I301 B Voltage Check Y DY CHECK CHANGE N DY Connection CHECK Y C302 CHECK CHANGE N P801 5 Pulse waveform check Y Q704 relation circuit CHECK N Q704 waveform CHECK Y Relation circuit CHECK N I701 20 waveform CHECK Y I701 CHECK CHANGE All manuals and user guides at all guides com ...

Страница 41: ...1 46 waveform check Y JP503 PW201 CHECK N I201 5 7 signal CHECK MOVE 4 Y MOVE 4 Q207 relation circuit N I501 42 waveform check Y I701 relation circuit CHECK N I501 17 signal CHECK Y Q902 Q907 CHECK CHANGE NO AV PICTURE All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 42: ...lation circuit check change I502 CHECK CHANGE 32 relation circuit CHECK N I203 16 waveform check Y N I501 32 waveform check Y Service data CHECK SETUP I501 CHECK CHANGE N Service Color CHECK Y N I203 B 6 check Y All manuals and user guides at all guides com ...

Страница 43: ...k N I601 24 25 signal check Y I602 CHECK CHANGE I601 CHECK CHANGE N I602 out signal 1 14 check Y MOVE 9 N I601 16 Voltage5V check Y I701 CHECK CHANGE N I601 7 8 signal CHECK Y I501 CHECK CHANGE N I601 47 SIF signal check Y All manuals and user guides at all guides com ...

Страница 44: ...ING WIRE CHANGE NO DVD OPERATING Relation circuit CHECK N PA890 wire CHECK Y CABLE CHANGE N PW590 591 Connecntion CHECK Y MODULE CHANGE N DVD MODULE CHECK Y DVD MODULE CHANGE N I202 7 signal CHECK Y All manuals and user guides at all guides com ...

Страница 45: ...All manuals and user guides at all guides com ...

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