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Teac DV-4000, Service Manual

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Teac DV-4000 Service Manual Download Page 19

DV-4000  KEYBOARD

20

Summary of Contents for DV-4000

Page 1: ...ge PAL AUTO NTSC wavelength 650nm 20Hz to 20kHz 85dB 80dB 1kHz 70dB 1kHz 85dB 1kHz 1 0V p p 75ohm negative sync Y 1 0V p p C 0 286V p p 75ohm negative sync 0 5V p p 75ohm 2 0Vrams 1KHz 0 8dB 10Kohm AC240V 50Hz 20W 435 x 335 x 105 mm Around 5kgs SERVICE PRECAUTIONS 2 3 LOCATION OF CONTROLS 4 6 ELECTRICAL TROUBLE SHOOTING GUIDE 8 18 PRINTED CIRCUIT 20 25 EXPLODED VIEW PARTS LIST CABINET 26 BLOCK DIA...

Page 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 METER SHOULD BE CHECKED PERIODICALLY AGAINST A REFERENCE STANDARD SUCH AS THE ONE AVAILABLE AT YOUR DISTRIBUTOR 4 WHEN THE HIGH VOLTAGE CIRCUITRY IS OPERATING PROPERL Y THERE IS NO POSSIBILITY OF AN 5 ...

Page 3: ...Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by 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 semiconductor chip components The following techniques should be used to help reduce the in...

Page 4: ...SEARCH 12 DISC1 2 3 13 REPEAT 14 RETURN 15 PREVIOUS NEXT 16 DISC TRAY 17 ECHO 18 MIC LEVEL 19 MIC 2 20 MIC 1 3 DISC POWER ON STANDBY DVD PLAYER DV 4000 1 2 3 4 5 5 STANDBY DVD VCD PLAYER R PLAY PAUSE STOP DISC EXCHANGE DISC SKIP SEARCH OPEN CLOSE RETURN REPEAT 1 2 3 MIC LEVEL ECHO MIC 1 2 Digital Karaoke PAL NTSC 12 16 PREPARATIONS BEFORE OPERATION FRONT PANEL 4 ...

Page 5: ...ter track indicator Minute indicator Second indicator Resume indicator Disc recording format Hour indicator VCD and CD indicator PBC indicator OPTICAL COAXIAL S VIDEO R L 2 1 1 2 AUDIO OUT VIDEO OUT DIGITAL AUDIO OUT DISPLAY REAR PANEL Push DIMMER the brightness of the display is reduced by half push it once more the display becomes dark Push the button again the display resumes brightness 1 2 3 4...

Page 6: ... 2 DIMMER 3 NUMBER BUTTONS 4 SEARCH 5 SET UP 6 TITLE 7 DIRECTIONS 8 PLAY ENTER 9 PREVIOUS 10 SYSTEM 11 STOP 12 KEY CONTROL 13 VOLUME 14 LANGUAGE 15 MUTE 16 SUBTITLE 17 AUDIO MODE 18 A B REPEAT 19 REPEAT 20 RETURN 21 NEXT 22 MENU 23 PAUSE STEP 24 SLOW PLAY 25 ZOOM 26 REMAIN 27 RESUME 28 TIME SEARCH 29 DIGEST 30 PLAY MODE 31 ANGLE 32 DISC SKIP 33 REMOTE TRANSMITTER 2 1 3 4 5 6 7 8 9 10 12 13 14 16 1...

Page 7: ...C01 33 868MHz 27MHz ATAPI INTERFACE XS106 TO POWER SUPPLY BOARD TO PICK UP MECHANISM CHASSIS XS100 XS109 TO OUTPUT BOARD 3 5V R CONTROL BUS 4M DRAM AUDIO DATA 27MHz F F T T NC NC RF A B VC C D NC NC VCC GND NC LD GND MD VR NC VC VR MD C E A GND LD B F VCC LOAD NC GND UNLOD POWER LIM OPEN 12V GND VCC CLOSE 24V SP GND 3 5V 3 5V GND FCLK FCS FDATA RMC SP TO KEY BOARD TO PICK UP MECHANISM CHASSIS XS10...

Page 8: ...isc be read Is video normal Is audio normal Normal operation Setting of the unit is correct Refer to audio guide Refer to video guide Refer to read disc guide Refer to open close guide Refer to display guide Refer to power guide Electrical Trouble Shooting Guide Yes Yes Yes Yes Yes Yes No No No No No No 8 ...

Page 9: ...r is damaged Check secondary commute circuit Check secondary feedback circuit Check if secondary short Check V304 Replace N301 Are transformer secondary 6V 15V output Are 2 3 pin of N301 resistance high impedance Check regulated circuit Check N302 and peripheral components Yes Yes Yes Yes Yes No No No No No A Power Circuit abnormal Check commute circuit Check L301 and L302 9 ...

Page 10: ...s 3 3V Check if voltage of 34 pin of UPD16311 is 24V Check grounded negative voltage of screen F1 and F2 Replace UPD16311 Check if connection cord between screen and main board is broken Check if UPD16311 pin is connected Check if pin of screen is connected Yes Yes No No B Display abnormal 10 ...

Page 11: ...fference in XP102UNLOAD pin and LOAD pin Check if RMC pin of XS107 has a waveform Does XS107 power have voltage Does drive motor have voltage Replace connection cord Replace key circuit board Replace motor END Yes Yes Yes Yes Yes No No No No No C Open close abnormal 11 ...

Page 12: ...C IN Normal Focus on Does the disc turn Is laser normal Can TOC be read Refer to focus guide Refer to focus guide Refer to laser guide Refer to TOC guide Yes Yes Yes Yes No No No No D Read disc abnormal 12 ...

Page 13: ...ring playback Have picture but picture disappeared during playback Check connection between video encoder and XS109 Check jack of output board or replace main board Check main board and replace G102 27MHz Check main board and replace G102 27MHz Replace main board Yes No E Video abnormal Yes No No No Yes Yes Yes 13 ...

Page 14: ...02 is normal Is N202 and N203 signal output Is transistor V208 and V209 for mute usage broken down Normal Replace transistor Check 4558 and surrounding components Check connection between R L pin of XP202 and PCM1723 Yes Yes Yes No No No F Audio abnormal 14 ...

Page 15: ...nection between 14 7 pin of BA5945 and FCS FCS of XS100 2 Check if G101 G102 normal operation 3 Check BA5945 and peripheral components 1 Check connection between D1870 and BA5945 2 Check D1870 and peripheral components 1 Check connection between CPU and D1870 2 Check CPU and peripheral components 1 Check connection cord 2 Replace pickup Yes No Yes Yes Yes No No No G Focus abnormal 15 ...

Page 16: ... D105 pin 44 1 Check connection between pickup and main board 2 Replace pickup 1 Check connection between D1890 of pin LD and XS100 2 Check D1890 and peripheral components 1 Check connection between CPU pin 44 and D1890 pin4 2 Check CPU and peripheral components Yes Yes No No No Yes H Laser abnormal 16 ...

Page 17: ...f 18 19 30 31 36 43 pin of D105 is normal 1 Check connections between CPU cortrol bus data bus and D1870 2 Check CPU and peripheral components 1 Check connections between D1870 pin 17 and BA5954 pin 4 2 Check D1870 and peripheral components 1 Check connections between BA5954 and XS103 2 Check BA5954 and peripheral components Check connection of mechanism Yes Yes No No I Turn abnormal No No Yes Yes...

Page 18: ... 2 Check connection between XS100 and pickup 3 Replace pickup 1 Refer to laser guide 2 Check slide motor and connections to main board 1 Check ATAPI channel 2 Check VS3811 and peripheral components 3 Check BT865 and peripheral components 4 Check connection between VS3811 and BT865 Yes Yes Yes Yes No No No No J TOC abnormal Normal Have picture no sound 1 Check ATAPI channel 2 Check and peripheral c...

Page 19: ...DV 4000 KEYBOARD 20 ...

Page 20: ...21 DV 4000 MICPHONE BOARD ...

Page 21: ...AD30 POWER BOARD 22 ...

Page 22: ...N203 7805 IN GND OUT OUT 380 232 BOARD 23 ...

Page 23: ...AD30 POWER BOARD DSM2032 MAIN UNIT 24 ...

Page 24: ...DV 4000 MICPHONE BOARD OUT 380 232 OUTPUT BOARD DV 4000 KEYBOARD 25 ...

Page 25: ...OT SPACER 18 a2766 SCREW ST3 12 19 b3019 FOOT B1 20 b3020 FOOT SPACER A1 21 b5658 CHASSIS E 22 b1626 SPACER 23 a2777 SCREW ST3 20 24 S2122 OUTPUT UNIT 25 b3425 REAR PANEL A 26 a2820 SCREW ST3 8 27 S2646 POWER CORD 28 b3183 WIRE CLIP 29 a2773 SCREW ST3 8FT 30 a2819 SCREW ST3 6 31 b3407j TOP PANEL 32 S2154 POWER UNIT 33 a2722 SCREW M3 6 34 0537 MAIN UNIT 35 S2265 MECHANISM UNIT 36 a2635 SCREW ST3 8C...

Page 26: ... 0 1u 50 63V 3 a3306 CT4 0 22u 50 63V 2 a3041 CL11 3n9 10 63V 1 a3044 CL11 5n6 10 63V 1 a3505 CD11 1u 50 16V 1 a3508 CD11 4 7u 50 16V 7 a3509 CD110X 16V 10u 50 4 a3510 CD110X 16V 22u 50 1 a3512 CD110X 16V 47u 50 5 a3609 CD110 16V 100u 50 4 PARTS No PARTS NAME Q TY PRICE OTHER a8768 MIC WIRE 1 a5014 C8050 1 a5009 9014C 2 a4503 PT2399 1 a4042 AN4558 2 a6651 CKX 6 35 7 JACK 2 a1118 2CS 5 6V 1 AD30AM ...

Page 27: ...T13 0 167W 5 1K 5 2 G0735 RT13 0 167W 10K 5 11 G0748 RT13 0 167W 47K 5 7 G0753 RT13 0 167W 100K 5 4 CAPACITOR a2308 CT1 50V 680P 5 1 a2014 CC1 63V 18P 10 1 a2024 CC1 63V 51P 10 2 a2032 CC1 63V 220P 10 2 a2307 CC1 50V 330p 5 4 a3009 CL11 63V 3000p 20 2 a3336 CT1 63V 0 1u 20 2 a3509 CD110X 16V 10u 20 8 a3512 CD110X 16V 47u 20 2 a3513 CD110X 16V 100u 80 7 a3514 CD110X 16V 220u 80 2 a3561 CD110X 16V 4...

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