Shinco DVD-8700 страница 11 Скачать руководство пользователя | Manualshive

Страница: 11 / 24

background image

F Audio abnormal

Have picture,no sound

Normal

Yes

No

Yes

No

No

Yes

Replace transistoe.

Check if voltage of R,L pin or

AKM4384 is normal?

Is N1 signal output?

Check NJM4558 and peripheral components.

Check AKM4384 and peripheral components.

Is transistor VD2 and VD3 for

mute usage broken down?

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Содержание DVD-8700

Страница 1: ...ad the PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS section on page 2 of this manual CONTENTS SERVICE PRECAUTIONS 2 3 ELECTRICAL TROUBLE SHOOTING GUIDE 5 15 PRINTED CIRCUIT 16 20 BLOCK DIAGRAMS 4 REPLACE...

Страница 2: ...SHIELDS ALSO SERVE AS AN X RAY SHIELD IN COLOR SETS ALWAYS RE INSTALL THEM 3 IT IS ESSENTIAL THAT SERVICE PERSONNEL HAVE AVAILABLE AN ACCURATE AND RELIABLE HIGH VOLT AGE METER THE CALIBRATION OF THE M...

Страница 3: ...phone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitiv...

Страница 4: ...RCD NC E L VCC VC GND F B A RF CD DVD D C T T F F TRIN GND TROUT UNLD LOAD RMC VFD DATA STB VFD CLK GND 3 5VA 3 5V 24V VCC 5V NC NC SP SP LIMIT GND SL SL TO KEY ASS Y TO PICK UP MECHANISM CHANISSIS XS...

Страница 5: ...deo normal Is audio is normal Normal operation Refer to power guide Refer to display guide Refer to open close guide Refer to read disc guide Refer to video guide Refer to audio guide Yes Setting of t...

Страница 6: ...l Yes Yes Yes Yes No No No No No Yes A Power Circuit abnormal Is C320 AC 220V Is C307 DC 310V F301 is open XP302 or XP303 is open Power cord isn t inserted firmly or power cord is open Check commute c...

Страница 7: ...ck if voltage of screen F1 and F2 is 3 3V Check if voltage of 32 pin of PT6320 is 24V Check grounded negative voltage of screen F1 and F2 Replace PT6320 Check if connection cord between screen and dec...

Страница 8: ...place connection cord Replace motor END Is open showed on the screen Yes Yes Yes Yes Yes No No No No No C Open close abnormal Is there voltage difference in XP003 UNLOAD pin and LOAD pin Check if RMC...

Страница 9: ...ead disc abnormal Disc in Fouse on Is laser normal Does the disc turn Can TOC be read Normal Refer to fouse guide Refer to TOC guide Refer to fouse guide refer to laser guide No No No No Yes Yes Yes Y...

Страница 10: ...r lolor disappeared during playback Have picture but picture disappearedduring playback END Check jack of output board or replace decoder ass y Replace decoder ass y Yes No Yes No Yes No Yes No Scart...

Страница 11: ...l Yes No Yes No No Yes Replace transistoe Check if voltage of R L pin or AKM4384 is normal Is N1 signal output Check NJM4558 and peripheral components Check AKM4384 and peripheral components Is transi...

Страница 12: ...and FCS of XS14 Does normal voltage at 14 7 pin of D001 Check connection between 14 7 pin of BA5954 and FCS FCS of XS14 Check if G1 normal operation Check BA5954 and peripheral components Does data o...

Страница 13: ...nection between pickup and decoder ass y Replace pickup Does voltage at 125 126 pin of D003 Check connection between 125 126 pin of D2890 and LD pin of XS14 Check D2890 and peripheral components Does...

Страница 14: ...are different Check connections between BA5954 and XS002 Check BA5954 and peripheral components Check if voltage of 16 pin of D003 is noraml Check connections between 16 pin of D2890 and 4 27 pin of B...

Страница 15: ...to decoder ass y Does normal A B C D signal at 97 100 pin of D003 check connections between 97 100 pin of D003 and 5 6 9 10 pin of XS14 Check connections between XS14 and pickup Replace pickup Does n...

Страница 16: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 39 38 37 36 35 34 33 32 31 30 29 28 27 52 51 50 49 48 47 46 45 44 43 42 41 40 SW1 SW2 SW3 SW4 DOUT DIN IC CLK STB KEY1 KEY2 KEY3 K...

Страница 17: ...p VD401 5 6v C420 5n6 C427 22u 16v C428 10u 16v N401A 1 2 4558 3 2 1 4 o1 vdd N403B 1 2 4558 5 6 7 out2 vcc C426 3n9 C416 0 1 R407 10k C406 20p C414 100u 16v R421 10k C417 47u 16v R427 4 7k R428 10k R...

Страница 18: ...104 VD313 SF16 N301 UC3842 1 C 2 VF 3 CS 4 RT CT Vref 8 VCC 7 OUT 6 G N D 5 F302 T1 6A 250V R303 4 7K R323 2W 180K R308 820 N303 7812S 1 2 3 IN G N D OUT C308 103 1KV C319 10U VD305 SF16 C309 22U 50V...

Страница 19: ...DVD8700KNH KEY BOARD DIAGRAM PB80 BOARD DIAGRAM DVD8700M MIC BOARD DIAGRAM AD81NAH POWER BOARD DIAGRAM...

Страница 20: ...DHB106PSM DECODER BOARD DIAGRAM...

Страница 21: ...7244 1 AD81NAH POWER ASS Y 1 21144 PB80 ASS Y 1 S0675m RC280H REMOTE 1 S2701 7 BATTERY 2 S2672 POWER CORD 1 S3024 POWER CORD HOLE 1 S3021a RCA CORD AUDIO 1 S3022a RCA CORD VIDEO 1 S3277 KHL232 LOADING...

Страница 22: ...20 G0738 RT13 0 167W 15K 5 R508 G0719 RT13 0 167W 1K 5 R421 G0735 RT13 0 167W 10K 5 R509 G0728 RT13 0 167W 4 7K 5 R423 G0735 RT13 0 167W 10K 5 R510 G0735 RT13 0 167W 10K 5 R424 G0743 RT13 0 167W 30K 5...

Страница 23: ...Z 63V Y5V C430 a3509 CD110 16V 10u M C307 a3661 CD288 27uF M 400V C308 a2077 CT81 14B 2E4 103M 1KV VD401 a1118 HZ6A3 1 2W 5 6V C309 a3607 CD110X 22uF M 50V V401 a5014 C8050C C310 a3608 CD110X 220uF M...

Страница 24: ...5a 1N4007 YG N301 a4721a UC3842B N302 a4571a MC7805CT N303 a4031a MC7812CT V301 a4557a UTC431 V302 a5121 2SK2750 V304 a5114 PC817 V305 a5009 C9014C V311 a5104 C8550D T301 a7003a BCK 700A XY TRANSFORME...

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