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Rotel RDV-985, Technical Manual

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Rotel RDV-985 Technical Manual Download Page 27

RDV-985

DIGTAL DATA SIGNAL

to Block C

to Block B

Block D                                            

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Summary of Contents for RDV-985

Page 1: ...0 Lines Signal to Noise Ratio 65 dB Audio Output ANALOG OUT pin jack 2 0 Vrms 10 kohms DIGITAL OUT optical 21 to 15 dBm peak Audio Characteristics Frequency Response CD sampling frequency 44 1 kHz 2 Hz to 20 kHz DVD sampling frequency 48 kHz 2 Hz to 22 kHz DVD sampling frequency 96 kHz 2 Hz to 44 kHz Dynamic Range 16 bit More than 100 dB 20 bit More than 108 dB 24 bit More than 108 dB Wow and Flut...

Page 2: ...Appearance All manuals and user guides at all guides com ...

Page 3: ...by JVC 3 It is confirmed that RF LEVEL is 350mVp p 150mVp p 4 When there is disorder in the waveform road cuts etc test disk is exchanged and measured 1 The CD jitter meter is connected between 11 GND of CN104 and 12 FLTOUT The RF level is observed at the same time 2 The first test disk CTS 1000 made of JVC is reproduced 3 It is confirmed that RF LEVEL is 360 100mVp p 5 When there is disorder in t...

Page 4: ...pin 2 Adjustment point Refer to Fig 2 Mode Reproduction part Disc Measurement machine Oscilloscope VT 502 DVD Mechanism A ssy Stand Stand 200mm RDV 985 Fig 1 CN101 of DVD Servo Control PWB CN11 of Connection PWB Extension Cord connections Refer to Fig 1 Extension cord No QUQ110 3740AM General tool Hex head wrench 2mm 4 Flap adjustment of the Pick up guide shaft All manuals and user guides at all g...

Page 5: ... optics 4 Other discs might not be ab le to be reproduced when adjusting on a curved disc A A B Fig 2 Point of adjustment Please execute the static electricity protection measures before starting the adjustment When the following parts are exchanged optical adjustment Adjust the flap of the disc motor is necessary 1 The disc motor w as exchanged 2 The laser pic k up was exchanged 3 The tr averse m...

Page 6: ... pattern or servo IC IC201 is defective R259 approx 2 5V during stop but varies during rotation greatly varies at start of not sent pattern or servo IC IC201 is defective Is FG input to servo IC Observe FG wave from IC201 89 If not output pattern IC251 or IC201 is defective During rotation 2 Disc Detection Distinction error no disc no REFNV Laser is defective Front End Processor is defective IC101...

Page 7: ...is output from CN101 34 or 35 If checking a or b resulted in NG IC201 maybe defective 4 Focus ON NG Is FE output Pattern IC101 Is FCDRV signal sent R286 Pattern IC301 Is driving voltage sent CN101 20 21 If NG pattern driver mechanical unit with the power turned off measure the resistance between CN101 20 and 21 Does CN101 7 SRF1 become H and is the focus drawing in done Mechanical unit laser power...

Page 8: ...he undermentioned cause is thought though specific of the cause is difficult because various factors are thought Mechanism is defective jitter IC201 IC301 IC401 The disc is dirty or the wound has adhered 7 Address read NG 8 Between layers jump NG double layer disc only When the focus flight is generated when jumps between layers Because all adjustments for L1 layer must be successful this error ma...

Page 9: ...m of TRSDRV signal R273 Waveform between R274 and C271 Search results in a change of duty three v alues with 2 5V at the center The figure is e xaggerated Chec k the waveform of CN101 1 and 2 After the driver IC271 b Is kick available Chec k the TRDRV signal waveform from R289 Chec k the waveform of CN101 22 and 23 After the driver IC271 Although diff ers in amplitude and DC offset the waveform is...

Page 10: ...embling TE with an amplitude of 200mVp p was riding on FE Mechanical unit was replaced Error frequently occurred in the outer part of discs although no error occurred in the inner part Mechanical unit was replaced because tilt seemed to be defective V CD Frequent occurrence of error in inside and outer Even the disk without the wound when generated Waveform observation Is the oscillation frequency...

Page 11: ...optical block Do not change the setting of these half fixed resistors for laser power adjustment Destruction of Traverse Unit and Laser Pickup by Static Electricity Laser diodes are easily destroyed by static electricity charged on clothing or the human body Before repairing peripheral elements of the traverse unit or pickup be sure to take the following electrostatic protection 1 Wear an antistat...

Page 12: ... YES NO NO YES YES NO YES YES YES YES NO NO NO NO YES OK NG YES NO NO YES YES NO YES NO YES NO YES NO YES YES NO NO YES NO Power on processing is OK To Microcomputer Volume Is connection of IC831 14 16 and IC714 2 to 4 OK To Microcomputer Volume to Power Supply Volume to Micro computer Volume Return to A and recheck Replace D901 Return to A and recheck Replace IC901 Return to A and recheck NO Repl...

Page 13: ...9 D GND B164 If the load resistance is not connected the voltage is not output to B167 3 Open Close Operation Press OPEN CLOSE key Does the tray smoothly open Voltage of IC401 52 at 0V of the remote control box functions normally Any voltage applied between CN102 4 and 5 Check the connection between CN102 and mechanical unit Check the mechanical unit Check IC251 and the periphery To Microcomputer ...

Page 14: ...o the system microcomputer It controls the resetting of the LSIs of the servo and signal processing sections It has IC402 16Mbit ROM as an external ROM Normal Starting Conditions IC714 System microcomputer 1 5V must be applied to 16 and 62 2 Oscillators of 13 and 15 must be oscillating correctly 3 Input to 12 RESET must be at 5V reset cancel If above 1 to 3 are not satisfied when the P STANDBY ind...

Page 15: ...phery When fs 44 1kHz When fs 48kHz When fs 96kHz 0 6V 0 9V 2 6V PLL normal lock voltage Between TP701 and TP702 Changing over the cutoff frequency of analog LPF When fs 44 1kHz or 48kHz Microcomputer port FS2 is at the L level and Q703 and Q704 are turned ON When fs 96kHz Microcomputer port FS2 is at the H level and Q703 and Q704 are turned OFF Approx 5V YES YES YES YES NO NO NO NO YES NO YES CN7...

Page 16: ...eplace IC552 YES YES YES YES NO NO NO NO NO YES Power supplied correctly to each IC to Power Supply Volume OK Is signal output from CN601 4 5V power for video section is supplied from IC654 Check I O voltage of IC654 Is digital signal output from IC551 1 to 8 10 and 11 Check IC551 Check IC501 Check IC501 Check the insertion of IC621 IC622 L604 L603 CN601 Check L603 L604 IC611 IC101 FEP IC301 ODC D...

Page 17: ...4 Spindle CLV NG 1 Spindle start error Does CN101 4 SWTRV become 0V 3 Traverse moving NG 2 Disc detection Distinction error 4 Focus ON NG 8 Tracking ON NG Is the shift to spindle CLV OK Does IC201 37 PLLOK become H 7 Servo volume Is the jump between layers OK FE LO LI 16 Jump between layers NG Was information on the disk obtained In case of NG disc eject at tray open 15 Address read NG Can you rep...

Page 18: ... 2 7 13 28 20 21 22 26 28 25 27 11 12 13 14 11 15 18 12 13 35 38 35 38 59 60 16 23 36 10 11 163 172 173 8 11 2 4 6 95 100 15 27 1 8 178 159 15 5 1 3 13 9 25 FWD 0 7 FRD 0 7 CA 0 19 CO 0 7 3 4 6 7 12 14 14 99 39 46 51 52 71 76 118 2 91 93 111 19 18 70 72 9 10 23 82 7 9 20 9 104 105 23 26 68 16 108 45 99 27 CLK169 43 1 28 9 ERROR SIGNALS CONTROL STATES CPSCK SDOUT FG ST SP FC FEED M CONTROL SIGNALS ...

Page 19: ...2SC2394 EF D962 AC DC D954 C979 C997 L955 AC DC D953 C965 C966 L952 AC DC D952 C963 C964 L961 AC DC D951 C960 30V REG Q962 2SA933S RS D950 5V REG IC953 LM2940CT 5 0 5V REG IC951 PQ05RF2 3 3V REG Q964 Q965 2SB1565 EF 2SC1740S RS FL ON OFF Q951 Q952 2SC2060 QR DTA144ESA T F1 F2 VDSP B5V D5V FROM FW831 OF LVA10053 A2 DISPLAY B5V D5V P ON D3 3V M9V FROM CN501 OF LVA10047 DVD SERVO CONTROL 1 V 12V 12V ...

Page 20: ...IC622 COMPOSITE AMP NJM2268D 1 2 Q672 TO CN702 LVA10047 DVD SERVO CONTROL 2 VIDEO SIGNAL IN LVA10054 A1 IC702 LPF MN35503 X TO CN502 OF LVA10047 DVD SERVO CONTROL 1 Bloc k dia grams VIDEO OUT A UDIO OUT AUDIO DATA IN TO CN502 OF LVA10047 DVD SERVO CONTROL 1 1 4 IC703 LPF NJM4580L IC704 LPF NJM4580L DIN OUT1D OUT2D 13 2 16 2 2 1 5 7 7 1 J702 J706 OPTICAL DIGTAL OUT GP1F32T Lch Rch AUDIO OUT 1 5 10 ...

Page 21: ...YI0 KEYI5 KEY00 KEY03 KEYI0 KEYI5 RESET XIN EECS EECK EEDI EEDO SK DI DO IN 5V REG IC718 POWER SUPPL Y TO CN801 OF LVA10053 A1 POWER SUPPL Y TO CN831 OF LVA10053 A2 DISPLAY TO FW601 OF LVA10054 A2 VIDEO JACK LVA10054 A1 REMOTE CONTR OL RECEIVER IC832 GP1U271X REMO SDATA FLSCK CS POR KEY MATRIX FL DRIVER IC831 M66004SP D5V KEY MATRIX S835 S844 S848 FL DISPLAY D1831 QLF0049 001 F1 F2 VDSP B5V D5V TO...

Page 22: ...Meno All manuals and user guides at all guides com ...

Page 23: ...DVD Servo Control 1 D G DIGT D AL DAT A GNAL A SIGNAL BLOCK A BLOCK C BLOCK B BLOCK D 47 K371 22 RDV 985 All manuals and user guides at all guides com ...

Page 24: ...I RDV 985 RDV 985 to Block C to Block B Block A k A All manuals and user guides at all guides com ...

Page 25: ...RDV 985 to Block A to Block D Block B k B All manuals and user guides at all guides com ...

Page 26: ...RDV 985 to Block D to Block A Block C All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...RDV 985 DIGTAL DATA SIGNAL to Block C to Block B Block D All manuals and user guides at all guides com ...

Page 28: ...RDV 985 RDV 985 DVD Servo Control 2 ol 2 AUDIO SIGNAL DIGTAL DATA SIGNAL VIDEO SIGNAL HY57V161610DTC8 HY57V161610DTC8 R549 All manuals and user guides at all guides com ...

Page 29: ...RDV 985 Display VSS All manuals and user guides at all guides com ...

Page 30: ...y RDV 985 y RDV 985 y RDV 985 y RDV 985 y RDV 985 y Power Supply RDV 985 750K 750K QNZ0136 001Z QMF51U1 1R6 S 1000PF AC250V 0 47 2W 120uF 400V LE40597 001A 4700PF AC250V 68K 2W PC123F All manuals and user guides at all guides com ...

Page 31: ...RDV 985 Video Jac AUDIO SIGNAL VIDEO SIGNAL All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 32: ...RDV 985 RDV 985 CPU AUDIO SIGNAL All manuals and user guides at all guides com ...

Page 33: ...RDV 985 Connection All manuals and user guides at all guides com ...

Page 34: ...Display board Power supply board Printed circuit board RDV 985 All manuals and user guides at all guides com ...

Page 35: ...RDV 985 CPU Video Jack board S601 NTSC PAL SW All manuals and user guides at all guides com ...

Page 36: ...Servo control board BOTOM SIDE R374 TOP SIDE All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 37: ...PARTS LIST All printed circuit boards and its assemblies are not available as service parts RDV 985 All manuals and user guides at all guides com ...

Page 38: ...R 50V22uF IC832 GP1U271X OPTICAL RECIVER C963 QEMU1VM 396Z ELECTROLYTIC CAPACITOR 35V39uF IC901 STR F6652 IC C964 QET41HM 226 ELECTROLYTIC CAPACITOR 50V22uF IC951 PQO5RF2 IC C965 QEMS1AM 108 ELECTROLYTIC CAPACITOR 10V1000uF IC953 LM2940CT 5 0 IC C966 QET41AM 477 ELECTROLYTIC CAPACITOR 10V470uF JT801 QGD2501C1 03Z SOCKET I M OF CN801 TO AUDIO C967 QFV41HJ 104 TF CAPACITOR 50V0 1uF JT806 QGD2501C1 0...

Page 39: ...1HZ 104Y CERAMIC CAPACITOR 0 1uF R963 QRE141J 101Y CARBON RESISTOR 100 1 4W C722 QCFB1HZ 104Y CERAMIC CAPACITOR 0 1uF R964 QRE141J 105Y CARBON RESISTOR 1M 1 4W C723 QCFB1HZ 104Y CERAMIC CAPACITOR 0 1uF R965 QRE141J 103Y CARBON RESISTOR 10K 1 4W C724 QETN0JM 477Z ELECTROLYTIC CAPACITOR 6 3V470uF R966 QRK126J 2R7X CARBON RESISTOR 2 7 1 4W C725 QCZ0205 155Z MULTI LAYER CERAMIC CAP 1 5uF R967 QRZ9005 ...

Page 40: ...C1 05Z SOCKET R632 QRE141J 750Y CARBON RESISTOR 75R 1 4W K601 QQR0601 001Z FERRITE BEADS R633 QRE141J 750Y CARBON RESISTOR 75 1 4 K602 QQR0601 001Z FERRITE BEADS R665 QRE141J 101Y CARBON RESISTOR 100 1 4 K603 QQR0601 001Z FERRITE BEADS R666 QRE141J 101Y CARBON RESISTOR 100 1 4 K702 QQR0601 001Z FERRITE BEADS R671 QRE141J 562Y CARBON RESISTOR 5 6K 1 4W K703 QQR0601 001Z FERRITE BEADS R672 QRE141J 5...

Page 41: ...ARBON RESISTOR 24K 1 4 C202 NCB31CK 393X CERAMIC CAPACITOR 0 039uF R776 QRE141J 682Y CARBON RESISTOR 6 8K 1 4 C203 NCB31CK 393X CERAMIC CAPACITOR 0 039uF R777 QRE141J 362Y CARBON RESISTOR 3 6K 1 4 C204 NCB31CK 393X CERAMIC CAPACITOR 0 039uF R778 QRE141J 103Y CARBON RESISTOR 10K 1 4 C205 NCB31CK 393X CERAMIC CAPACITOR 0 039uF R779 QRE141J 561Y CARBON RESISTOR 560 1 4 C206 NCB31CK 104X CERAMIC CAPAC...

Page 42: ...TOR 6 3V100uF C314 NCB31CK 104X CERAMIC CAPACITOR 0 1uF C535 NCB31CK 104X CERAMIC CAPACITOR 0 1uF C315 NCB31CK 104X CERAMIC CAPACITOR 0 1uF C536 NCB31CK 103X CERAMIC CAPACITOR 0 01uF C316 NEA70JM 107X ELECTROLYTIC CAPACITOR 6 3V100uF C537 NEA70JM 226X ELECTROLYTIC CAPACITOR 6 3V22uF C317 NCB11CK 105X CERAMIC CAPACITOR 1uF C538 NCB31CK 104X CERAMIC CAPACITOR 0 1uF C318 NCB31CK 104X CERAMIC CAPACITO...

Page 43: ...C553 MSM531622F56G X IC Q103 DTC124EE X DIGI TRANSISTOR IC554 MC44724AVFU IC Q104 DTC124EE X DIGI TRANSISTOR IC555 MC33269D X IC Q105 DTC144EE X TRANSISTOR K101 NQR0007 002X FERRITE BEADS C M Q251 DTC144EE X TRANSISTOR K102 NQR0007 002X FERRITE BEADS C M Q252 DTC144EE X TRANSISTOR K103 NQR0007 002X FERRITE BEADS C M Q253 DTC144EE X TRANSISTOR K155 NQR0007 002X FERRITE BEADS C M Q254 DTC144EE X TRA...

Page 44: ...STOR 0 R230 NRSA63J 103X MG RESISTOR 10K R319 NRSA63J 0R0X MG RESISTOR 0 R231 NRVA63D 683X METAL FILM RESISTOR 68K R322 NRSA63J 473X MG RESISTOR 47K R232 NRVA63D 683X METAL FILM RESISTOR 68K R324 NRSA63J 473X MG RESISTOR 47K R233 NRSA63J 103X MG RESISTOR 10K R328 NRSA63J 473X MG RESISTOR 47K R234 NRSA63J 103X MG RESISTOR 10K R342 NRSA63J 0R0X MG RESISTOR 0 R235 NRSA63J 473X MG RESISTOR 47K R343 NR...

Page 45: ... RESISTOR 0 R533 NRSA63J 330X MG RESISTOR 33 R30 NRSA3J 0R0X MG RESISTOR 0 R534 NRSA63J 330X MG RESISTOR 33 R31 NRSA3J 0R0X MG RESISTOR 0 R535 NRSA63J 330X MG RESISTOR 33 R536 NRSA63J 330X MG RESISTOR 33 R537 NRSA63J 330X MG RESISTOR 33 505 FRDV 985 FRONT PANEL ASSY R538 NRSA63J 330X MG RESISTOR 33 LV31781 002A PUSH BUTTON A Play Open Close R539 NRSA63J 330X MG RESISTOR 33 LV31782 002A PUSH BUTTON...

Page 46: ...g motor unit Twin switch Screw 1 Screw 2 Screw 3 Screw 4 Screw 5 Screw 6 GMVMD3270 GMVMD3265 GMVDG1308 GMVDG1309 GMVDG1310 GMVDK0156 GMVDV0373 GMVMD3266 GMVMD3263 GMJSM0048 GMVMA9535 GMVMD3264 GMVMA0B93 GMVEM0664 GMVSH0170 GMVHD1223 GMXQNQC17 3 GMXTV3 10G GMXTW2 12T GMXTV3 10G GMXTS3 6J 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 1 2 1 8 MECHA LOADING BOARD FOR MODULE BOARD 10 1 2 4 20 18 18 15 19 3 7 1...

Page 47: ...nit Stepping motor unit Tilt spring 1 Tilt spring 2 Spring suppresses 1 Spring suppresses 2 FPC holder Floating rubber Travarse shasshis Guide shaft 1 Guide shaft 2 Optical pick up Spring Nut spring Nut Screw 1 Screw 2 Screw 3 Screw 4 Screw 5 GMVWJ1277 GMVEM0665 GMVEM0666 GMVMB3278 GMVMC1487 GMVMC1488 GMVMC1489 GMVMD3261 GMVMG1166 GMVMK0474 GMVMS6471 GMVMS6472 GMVED0402 GMVMC1491 GMVMC1490 GMVMD32...

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