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DV-NC70U/C
DV-NC72U

8-3. FUNCTION OF MAJOR MECHANICAL PARTS (TOP VIEW)

No.

Function

No.

Function

Full erase head

Supply pole base ass’y

Tension arm

Idler wheel ass’y

Open guide

Supply reel disk

Supply main brake

Take-up main brake

Pinch drive cam

A/C head ass’y

Reverse guide lever ass’y

Reel relay gear

Take-up reel disk

Pinch roller lever ass’y

Drum ass'y

Loading motor block

Drum driver motor

Take-up pole base ass'y

Auto head cleaner Ass'y

Содержание DV-NC70C

Страница 1: ...ntents are subject to change without notice SHARP CORPORATION OPEN CLOSE POWER EJECT STOP REW PLAY REC CH VCR DVD SELECTOR TIMER VCR DVD PLAY STOP AV 2 IN VIDEO L MONO AUDIO R Page 1 IMPORTANT SERVICE NOTES 2 2 FEATURES 4 3 SPECIFICATIONS 4 4 PART NAMES 6 5 MAINTENANCE CHECK ITEMS AND EXECUTION TIME 9 6 DISASSEMBLY METHOD 10 7 OPERATION OF PICKUP 14 8 ADJUSTMENT REPLACEMENT AND ASSEMBLY OF MECHANI...

Страница 2: ...etallic control knobs insulation materials cabinet backs adjustment and compartment covers or shields isola tion resistor capacitor networks mechanical insula tors etc 3 To be sure that no shock hazard exists check for current in the following manner Plug the AC line cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10...

Страница 3: ...ret les couvercles de compartiment et ajustement ou les boucliers les réseaux de résistance condensateur d isolement Ies isolateurs mécaniques etc 3 Pour être sûr qu il n y a aucun risque de choc électrique vérifier le courant de fuite de la maniére suivante Brancher le cordon d alimentation secteur directement dans une prise de courant de 120 volts Ne pas utiliser de transformateur d isolement po...

Страница 4: ...from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories 2 DTS and DTS Digital Surround are trademarks of Digital Theater Systems Inc 3 SPECIFICATIONS Signal System NTSC INPUT OUTPUT JACKS DVD VCR shared output jacks VIDEO jack RCA Pin jack AUDIO jack RCA Pin jack DVD output jacks VIDEO jack S Video jack Component Y jack RCA Pin jack Component PB jack RC...

Страница 5: ... Vp p 75Ω 75 color S video output Y output level 1 Vp p 75Ω C output level 0 286 Vp p 75Ω Audio output Output level 2 Vrms 1 kHz 0 dB Video signal horizontal resolution 500 lines S N ratio 60 dB Audio signal frequency characteristics For DVD linear PCM playback 4 Hz to 22 kHz 48 kHz sampling 4 Hz to 44 kHz 96 kHz sampling CD playback 4 Hz to 20 kHz EIAJ S N ratio CD 100 dB 1 kHz EIAJ Dynamic range...

Страница 6: ...ette compartment EJECT STOP CH REW TIMER indicator Audio Output Indicator VCR Front Panel Display DVD Main Unit Front DVD Front Panel Display OPEN CLOSE POWER EJECT STOP REW PLAY REC CH VCR DVD SELECTOR TIMER VCR DVD PLAY STOP AV 2 IN VIDEO L MONO AUDIO R Disc tray OPEN CLOSE POWER TITLE indicator Operation status Time indicator TRACK indicator CHAPTER indicator Disc operation buttons PLAY STOP PR...

Страница 7: ...UHF VHF CATV OUT TO TV AV 1 IN AUDIO R L MONO VIDEO AUDIO R L VIDEO DVD VCR OUT DVD OUT DIGITAL AUDIO AUDIO R L S VIDEO Y P R P B COMPONENT VCR AUDIO input jacks ANTENNA IN antenna or cable input VCR VIDEO input jack ANTENNA OUT DVD VCR shared AUDIO output jacks DVD Coaxial DIGITAL output jack DVD S VIDEO output jack DVD AUDIO output jacks DVD VCR shared VIDEO output jack COMPONENT VIDEO output ja...

Страница 8: ...ntrol unit may not function if the product s sensor is in direct sunlight or any other strong light Incorrect use of batteries may cause them to leak or burst Read the battery warnings and use the batteries properly Do not mix old and new batteries or mix brands in use Remove the batteries if you do not use the remote control unit for an extended period of time Remote Control Unit DVD Operation Bu...

Страница 9: ... be easily damaged by electrostatic charges When handling the pickup take care so that the electrostatic charge is not generated 3 The semiconductor laser may be easily damaged by overcurrent Use the power supply unit which does not give any spike current when the power is turned on and off 4 Carefully remove the dust and dirt from the objective lens with the lens blower When handling the objectiv...

Страница 10: ... the one hook 5 and tilt the PWB toward you to remove it 2 Release the one hook 6 and tilt the PWB toward you to remove it 4 Removing the DVD mechanism 1 Remove the four screws 7 to remove the DVD REINF angle 2 Remove the two screws 8 and two screws 9 3 Remove the two screws 0 to remove the Angle DVD 2 1 1 4 3 5 6 4 4 4 9 10 9 10 8 7 12 11 4 Remove the DVD Shield lower q 5 Remove the four screws w...

Страница 11: ...ving the Cassette Housing Control VCR Mechanism 1 Remove the two screws r 2 Remove the one screw t 3 Remove the two screws y 6 Removing the Antenna Terminal Cover VCR Main PWB Unit 1 Remove the six screws u 2 Remove the two screws i 3 Remove the one screw o 7 Removing the Bottom Plate 1 Remove the one screw p ...

Страница 12: ... 8571GEZZ AN Extension cable wire 9pin 500mm DVD Main CN3201 Power CN201 6 2 EXTENSION CABLE USE POINT ONE PLACE Extension Cable Diagram Power PWB CN201 Tuner CN3201 DVD Main PWB DVD Mechanism F AV PWB VCR DVD Display PWB VCR Mechanism VCR Main PWB QCNW 8571GEZZ 9 pin ...

Страница 13: ...assis 1 After setting the mechanism chassis to the angle state ground it to prevent the electrostatic discharge damage of the pickup 2 Remove the DVD Shield lower 40 refer to the illustration on page 104 3 Remove P Q from the DVD Main PWB Unit 27 Pickup Relay FFC 58 isn t removed refer to the illustration on page 104 4 Remove screws fixing the base chassis located at the back right and at front le...

Страница 14: ... laser light even if the flowing current is slightly varied the projection light is detected with the monitor diode to control the laser light to be equally output Since the current varies on the monitor diode according to the intensity of the received light of the laser diode the drive current of the laser diode is reduced if the current of the monitor diode increases On the contrary the drive cu...

Страница 15: ...uge Head JiGTH0006 AW JiGRH0002 BR JiGSG2000 BS JiGSG0300 BF 7 JiGADP003 BK Tension Gauge These Jigs are used for checking and adjusting the reel disk height When fixing any part to the threaded hole using resin with screw use the jig Specified torque 5 kg This cassette torque meter is used for check ing and adjusting the torque of take up for measuring tape back tension These Jigs are used for ch...

Страница 16: ...ormal rotation or significant vibration requires replacement Clean tape contact part with the specified cleaning liquid Clean tape contact area with the specified cleaning liquid Clean rubber and rubber contact area with the specified cleaning liquid Screen swaying Cassette not loaded or unloaded No tape running tape slack Tape slack Video head cleaning procedure 1 Apply one drop of cleaning liqui...

Страница 17: ...s y 5 Open guide 6 Supply reel disk 7 Supply main brake 8 Take up main brake 9 Pinch drive cam 10 A C head ass y 11 Reverse guide lever ass y 12 Reel relay gear 13 Take up reel disk 14 Pinch roller lever ass y 15 Drum ass y 16 Loading motor block 17 Drum driver motor 18 Take up pole base ass y 26 Auto head cleaner Ass y 17 15 26 11 5 9 14 12 8 16 13 4 6 2 7 3 1 18 10 ...

Страница 18: ... DV NC72U FUNCTION OF MAJOR MECHANICAL PARTS BOTTOM VIEW No Function No Function 19 Syncro Gear 20 Master cam 21 Capstan D D motor 22 Reel belt 23 Clutch lever 24 Limiter pulley ass y 25 Shifter 25 24 21 22 19 20 23 ...

Страница 19: ...tial setting position install the cassette housing Conditions When mechanism and PWB have been installed 8 4 1 DISASSEMBLING THE MECHANISM 1 When removing the mechanism from the set Remove the two screws 1 which connecting mechanism and main frame Take out vertically the mechanism so that it does not damage the adjacent parts 2 Removing the mechanism and cassette housing Remove the two screws 2 fi...

Страница 20: ...ply power supply to rotate the loading motor please remove unsolder at least one terminal wire If voltage applied to loading motor without disconnecting the terminal wire there is a possibility the capstan motor IC will damage Rotate the flange of worm gear by using thin stick CW Loading direction CCW Ejection direction Note Be careful not to damage the gear of worm gear and worm wheel gear It mig...

Страница 21: ... A TAPE WITHOUT THE CASSETTE HOUSING CONTROL ASSEMBLY 1 Remove the full surface panel 2 Short circuit between TP803 and TP802 3 Plug in the power cord 4 Turn off the power switch The pole bases move into U L position 5 Open the lid of a cassette tape by hand 6 Hold the lid with two pieces of vinyl tape 7 Set the cassette tape in the mechanism chassis 8 Stabilize the cassette tape with a weight 500...

Страница 22: ...e does not adhere the brake surface 2 After reassembly check the video search rewind back tension see 8 12 and check the brake torque see 8 16 Height checking and adjustment Notes 1 Set the master plane with due care so that it does not contact the drum 2 When putting the master plane shift the reverse guide a little in the loading direction Care must be taken since excessive shift results in dama...

Страница 23: ...y After short circuiting between TP803 and TP802 provided at operation PWB plug in the power cord Setting 1 Set a torque gauge to zero on the scale Place it on the take up reel disk 2 Press the FF button 3 To calculate the remaining capacity of the play back mode slowly rotate the supply reel disk and then shift it into the forward mode Checking 1 Turn the torque gauge slowly one rotation every 2 ...

Страница 24: ...ounterclockwise very slowly one rotation every 1 to 2 seconds and check that the torque is within the set value 14 1 3 5mN m 144 35gf cm Set value EP 6 9 mN m 70 gf cm Figure 8 9 Checking 1 Make sure that value is within the setting 6 9 mN m 70 gf cm 2 The winding up torque fluctuates due to variation of rotation torque of limiter pulley ass y Read the center value of fluctuation as setting 3 Set ...

Страница 25: ... torque gauge on the take up reel disk and turn it counterclockwise very slowly one rotation every 2 to 3 seconds and check that the torque is within the set value 3 7 1 5mN m 38 15gf cm Pinch roller Tension gauge 900 1 200gf Capstan shaft Tension gauge adapter Figure 8 11 Torque gauge Take up reel disk Note Set the torque gauge securely on the take up reel disk If it is not secure the measurement...

Страница 26: ...te housing control Remove the cassette housing control assembly After short circuiting between TP803 and TP802 provided at main PWB plug in the power cord Setting without cassette housing control 1 Turn off the power switch 2 Open the cassette torque meter and fix with tape 3 Set the cassette torque meter in loading state 4 Put the weight 500g on the cassette torque meter 5 Turn on the power switc...

Страница 27: ...e is within the setting clean the felt surface of reel disk supply take up brake lever check again the brake torque If value cannot be set within the setting yet replace the main brake ass y or main brake spring Figure 8 21 Figure 8 19 8 16 CHECKING THE BRAKE TORQUE Checking the brake torque at the supply side Figure 8 20 Remove the cassette housing control assembly After short circuiting between ...

Страница 28: ...older the PWB fitted to the A C head Notes 1 When replacing never touch the head If you touched clean with the cleaning liquid 2 When removing the screw 3 take care so that the spring may out Figure 8 24 Notes 1 If the screw 1 is tighten tentatively too loose the azimuth and height of A C head may change when they are finally tightened Therefore care must be taken 2 After completion of A C head be...

Страница 29: ...less the ATR signal waveform changes nearly parallel adjust the height of supply side and take up side guide roller so that the envelope waveform changes nearly parallel For ATR signal adjustment procedure refer to Figure 8 31 7 Turn the tilt screw to remove the tape crease at the fixing guide flange Playback the tape and check for tape crease at the fixing guide flange 1 If there is no tape creas...

Страница 30: ... method stated in 8 17 Replacement 3 2 Connect the oscilloscope to the audio output termi nal 3 Using the alignment tape in which 1 kHz linear audio signal has been recorded adjust the height screw so as to get max audio output 4 Using the alignment tape in which 7 kHz linear audio signal has been recorded adjust the azimuth screw so as to get max audio output 5 The adjustment of 3 and 4 twice or ...

Страница 31: ...e playback switching point Refer to the electric adjustment method 5 Playback the self picture recorded tape and check the flatness of ATR signal waveform and sound Take up side Supply side Take up side Adjustment Supply side Supply side guide roller rotated in clockwise direction lowers guide roller to flatten ATR signal Take up side guide roller rotated in clockwise direction lowers guide roller...

Страница 32: ... D D rotor ass y 5 After installation adjust the playback switching point for adjustment of servo circuit 8 20 REPLACEMENT OF THE CAPSTAN D D DIRECT DRIVE MOTOR Remove the mechanism from the set Removal Follow the order of indicated numbers 1 Unsolder loading motor wire and drum FFC 2 Remove the reel belt 1 3 Remove the three screws 2 Reassembly 1 Taking care so that the capstan shaft does not con...

Страница 33: ...t of Drum D D motor 2 Remove the drum earth brush ass y 2 3 Remove the upper and lower drum assembly from main chassis 1 4 Remove the drum FFC holder 3 Cares when replacing the drum 1 Be careful so that the drum earth brush is not lost 2 Do not touch directly the drum surface 3 Fit gently the screwdriver to the screws 4 Since the drum assembly is an extremely precise as sembly it must be handled w...

Страница 34: ...low 2 Fix the shifter position setting part to the roading arm T position setting part as shown in figure 3 Make sure tension arm not run on the shifter as shown in figure a b c Loading arm T Shifter Insert point Loading arm T Loading arm S Phase matching Not run on the shifter Shifter Tension arm a c b Drum Capstan D D motor Bottom side of mechanism chassis ...

Страница 35: ...ment loading motor as shown below Figure 8 41 Figure 8 39 2 The loading motor pressing in must be less than 196N 20 kgf Adjust the distance between motor and pulley to 6 95 mm Figure 8 39 1 Figure 8 40 0 2 0 15 E ring 6 95 mm A part Worm gear 0 0 15 Loading motor To press the motor in first receive it by portion A Apply grease Worm gear Apply grease Apply grease Apply grease L M Block Worm wheel g...

Страница 36: ...lever spring and Holder R Figure 8 42 MSPRD0215AJFJ Proof lever spring fixing direction designated MSPRD0212AJFJ Take care not to damage this part Outside Outer Top Bottom Inner 2 Open lever Sensor Plate and Drive Lever to Frame R 3 Spring to Drive Arm R Figure 8 43 Figure 8 44 ...

Страница 37: ...0U C DV NC72U LANGF9661AJFW Top surface should be free from scratches or soil When assemble drive lever to frame R make sure the hole synchronize 4 Frame R Frame L Drive Arm R Drive Arm L Upper Plate Figure 8 45 ...

Страница 38: ... for 7 times To 1 All FIP light up 40000000 00000000 OSD only Press 4 Key of the remote control Press 4 Key of the remote control NO DISC state F0 Key input Press Play Key and Stop Key for 5 seconds F0000000 00000000 LASER TEST DVD LD ON LASER TEST CD LD ON 1 Key input 3 Key input 1 Key input 1 Key input 1 Key input The tray opens the DVD laser is lit spinning is performed and the sled moves to th...

Страница 39: ...put Focus gain track gain adjustment STEP TEST GAIN STUDY ASMAX ENVPP FEPP ASAGC FEAGC FBAL0 FBAL1 TBAL0 TBAL1 FCGA0 FCGA1 TKGA0 TKGA1 In case of 2 layer DVD adjust the focus on track on focus balance adjustment and focus gain track gain adjustment STEP TEST DVD ID ASMAX ENVPP FEPP ASAGC FEAGC FBAL0 FBAL1 TBAL0 TBAL1 FCGA0 FCGA1 TKGA0 TKGA1 STEP TEST TRAY OPEN 2 Key input To 2 DVD operation STEP T...

Страница 40: ... figure Software for the renewal is started more 2 A power source is put with pushing DVD s own Playback Key and Halt Key at the same time It keeps pushing it for 3 seconds 3 When Y is inputted in accordance with the personal computer display and date transfer indication is shown and renewal process is started normally when Enter Key is pushed 4 When renewal is completed normally it becomes POWER ...

Страница 41: ...ES Are the pins 1 and 2 of photo coupler turned on Check IC903 C927 C928 R927 R928 and secondary circuit Check the photo coupler IC902 Power cannot turn on from indicator off mode during power off FLOW CHART NO 4 Is the position of mode SW S704 and mecha OK NO YES NO YES Is the pin 43 of IC701 changed from H to L level Adjust the master cam Check VCR power line PC 5V PC 13V Check DVD power line 5V...

Страница 42: ...assette tape is inserted Replace capstan motor unit NO YES Replace loading motor A cassette tape is not take in FLOW CHART NO 10 Does the start sensor pulse at pin 87 of IC701 change from L to H level when the cassette tape is loaded Check line start sensor and all the way up thru to pin 87 of IC701 Does the end sensor pulse at pin 86 of IC701 change from L to H level when the cassette tape is loa...

Страница 43: ...hru to pin 65 of IC701 Is V H SW P pulse given out of pin 23 of IC701 Check IC701 Replace IC701 NO NO NO YES YES YES Is drum PG FG signal given out of pin 65 of IC701 The drum motor runs only for a few seconds FLOW CHART NO 16 Is the drum motor rotating See FLOW CHART NO 14 15 The drum motor fails to run The drum motor runs only for a few seconds Is the drum PG signal and drum FG signal present on...

Страница 44: ...0 and 31 of IC201 Is picture signal outputted to the pin 52 of IC201 Is picture signal inputted into the pin 49 of IC701 Check the line between pin 52 of IC201 and pin 49 of IC701 Is 5V applied to the pin 12 of IC201 Check the PC 5V line 1 External input mode Check the line between the rear video input terminal and pin 30 of IC201 Check the line between the rear video input terminal and pin 28 of ...

Страница 45: ...pin 35 of IC201 Check between the pins 58 and 35 of IC201 Check C515 Check whether the pins 71 and 73 of IC201 oscillate 3 58 MHz Check between the pins 60 and 46 of IC201 Check C512 Is chroma signal approx 143 mVp p Burst inputted into the pin 46 of IC201 Is chroma signal approx 180 mVp p Burst inputted into the pin 58 of IC201 Check between the pins 21 and 42 of IC201 Check C208 Check between th...

Страница 46: ... pin 39 of IC201 Check C212 Is luminance signal approx 0 5 Vp p outputted from the pin 39 of IC201 Is voltage 5V applied to the CCD section power terminal pin 36 of IC201 Is control voltage approx 5V applied normally to the pin 37 from the pin 57 of IC201 Is CCD clock signal approx 7 16 MHz 0 5 Vp p applied to the pin 44 from the pin 69 of IC201 Check between the pins 23 and 24 of IC201 Check C210...

Страница 47: ...to the pins 21 24 ch 1 pins 21 and 22 ch 2 of IC651 Check the AH MZ connector Replace IC651 Is the pin 29 of IC651 about 3 7V Check Hi Fi REC CTL line Is voltage 5V applied to pin 25 of IC651 Check line of Hi Fi 5V Hi Fi sound cannot be recorded E E mode is normal FLOW CHART NO 24 NO YES NO YES Is playback envelope signal outputted to the pins 29 and 30 of IC651 300 mVp p Replace IC651 Replace IC6...

Страница 48: ...e the remote control receiver or replace the remote control transmitter if necessary Is 5V voltage supplied to the pin 3 terminal of remote control receiver Check the line between the remote control receiver and the pin 42 of IC3501 Is the L pulse sent out from pin 1 terminal of receiver when the infrared remote control is activated Is pulse signal supplied to the pin 42 of IC3501 Replace IC3501 N...

Страница 49: ...control signal outputted from pin 4 of IC3301 Is 5V voltage applied to the emitter of Q3303 Is approx 2V applied to the pin 3 of CN3301 Check the connection of optical pickup cable If it is normal replace the traverse chassis unit Check the line between the Q3301 Q3303 Check or replace IC3301 No No No Yes Yes Yes Yes The No Disc indication during CD playback When the laser beam does not light Note...

Страница 50: ...he disc on the disc tray Are the digital audio interface signals outputted to the pins of main unit connector CN3202 CN3202 9pin L OUT CN3202 11pin R OUT Check the main unit IC3801 IC3601 Check the line between the pins of main unit connector CN202 and the pins of IC6004 CN202 3pin IC6004 3pin L OUT CN202 1pin IC6004 5pin R OUT No No Yes Yes Yes Yes Sound do not operate normally Are the digital au...

Страница 51: ...51 DV NC70U C DV NC72U M E M O ...

Страница 52: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 52 53 11 BLOCK DIAGRAMS 11 1 MAIN BLOCK DIAGRAM ...

Страница 53: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 54 55 11 2 VCR SIGNAL FLOW BLOCK DIAGRAM ...

Страница 54: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 56 57 11 3 VCR SERVO BLOCK DIAGRAM ...

Страница 55: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 58 59 11 4 POWER BLOCK DIAGRAM ...

Страница 56: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 60 61 12 SCHEMATIC DIAGRAMS 12 1 DVD MAIN 1 CIRCUIT SCHEMATIC DIAGRAM ...

Страница 57: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 62 63 12 2 DVD MAIN 2 CIRCUIT SCHEMATIC DIAGRAM ...

Страница 58: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 64 65 12 3 VCR MAIN 1 CIRCUIT SCHEMATIC DIAGRAM ...

Страница 59: ...2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 66 67 å 12 4 VCR MAIN 2 CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Страница 60: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 68 69 12 5 VCR MAIN 3 CIRCUIT SCHEMATIC DIAGRAM ...

Страница 61: ...70 DV NC70U C DV NC72U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 12 6 DVD OPERATION CIRCUIT SCHEMATIC DIAGRAM ...

Страница 62: ...71 DV NC70U C DV NC72U 10 11 12 13 14 15 16 17 18 19 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 12 7 VCR OPERATION CIRCUIT SCHEMATIC DIAGRAM ...

Страница 63: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 72 73 12 8 POWER CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Страница 64: ...9 F B3 5 2 0 F B3 5 2 3 F B3 5 2 4 F B3 5 2 5 F B3 5 2 6 F B3 5 2 1 F B3 5 2 2 R3 6 3 7 R3 6 3 5 R3 6 3 3 R3 6 3 1 T P3 5 3 0 T P3 5 3 1 T P3 5 3 2 T P3 5 3 3 T P3 5 3 4 T P3 5 3 5 T P3 5 3 6 T P3 5 3 7 T P3 5 3 8 T P3 5 3 9 T P3 5 4 0 T P3 5 4 1 T P3 5 4 2 T P3 5 4 3 T P3 5 4 7 T P3 5 5 4 T P3 5 5 5 T P3 5 5 6 T P3 5 5 7 T P3 5 5 0 T P3 5 4 9 F B3 5 1 7 T P3 5 4 8 T P3 5 5 1 R3 6 3 6 CN3 5 0 1 T ...

Страница 65: ...3 T P3 7 3 2 C3 7 5 2 R3 7 3 3 R3 7 3 1 R3 7 2 4 R3 7 2 3 C3 7 4 3 C3 7 4 2 R3 7 2 0 C3 7 4 0 F B3 7 0 1 T P3 7 2 0 R3 7 3 5 R3 7 3 4 C3 7 5 1 C3 7 3 9 R3 7 3 8 R3 7 3 7 R3 7 3 6 R3 7 2 8 R3 7 2 6 C3 7 4 1 T P3 7 2 1 RJ 3 1 0 4 R3 7 2 9 C3 7 5 0 R3 7 2 1 R3 7 2 2 T P3 7 2 5 C3 7 5 4 C3 7 4 5 C3 7 4 4 R3 7 2 7 R3 7 2 5 C3 7 4 6 C3 7 4 7 Z 3 Z 2 Z 1 RJ 3 1 0 5 Z 4 R3 3 1 2 RJ 3 1 0 6 T P3 3 3 0 R3 3...

Страница 66: ...78 DV NC70U C DV NC72U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 DVD OPERATION PWB SIDE A Symbol SIDE B ...

Страница 67: ...79 DV NC70U C DV NC72U 10 11 12 13 14 15 16 17 18 19 VCR OPERATION PWB SIDE A Symbol A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 SIDE B ...

Страница 68: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 80 81 POWER PWB SIDE A Symbol ...

Страница 69: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 82 83 POWER PWB SIDE B ...

Страница 70: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 84 85 VCR MAIN PWB SIDE A Symbol ...

Страница 71: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV NV70U C DV NC72U DV NC70U C DV NC72U 86 87 VCR MAIN PWB SIDE B ...

Страница 72: ...88 DV NC70U C DV NC72U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 M E M O ...

Страница 73: ...VCKYCY1HB182K 1800p 50V Ceramic AA C3348 VCKYCY1HB152K 1500p 50V Ceramic AA C3349 VCKYCY1CB473K 0 047 16V Ceramic AA C3350 VCKYCY1CB273K 0 027 16V Ceramic AA C3351 VCKYCY1HB561K 560p 50V Ceramic AA C3352 VCKYCY1HB561K 560p 50V Ceramic AA C3353 VCKYCY1CB104K 0 1 16V Ceramic AB C3354 VCKYCY1CB104K 0 1 16V Ceramic AB C3355 VCEAPF0JW476M 47 6 3V Electrolytic AB C3360 VCKYCY1CB104K 0 1 16V Ceramic AB C...

Страница 74: ...RS CY1JF103J 10k 1 16W Metal Oxide AA R3323 VRS CY1JF473J 47k 1 16W Metal Oxide AA R3324 VRS CY1JF471J 470 1 16W Metal Oxide AA R3325 VRS CY1JF473J 47k 1 16W Metal Oxide AA R3330 VRS CY1JF103J 10k 1 16W Metal Oxide AA R3331 VRS CY1JF103J 10k 1 16W Metal Oxide AA C3603 VCKYCY1CB104K 0 1 16V Ceramic AB C3604 VCKYCY1CB104K 0 1 16V Ceramic AB C3605 VCKYCY1CB104K 0 1 16V Ceramic AB C3606 VCKYCY1CB104K ...

Страница 75: ...VRS CY1JF000J 0 1 16W Metal Oxide AA R3808 VRS CY1JF000J 0 1 16W Metal Oxide AA R3811 VRS CY1JF000J 0 1 16W Metal Oxide AA R3812 VRS CY1JF000J 0 1 16W Metal Oxide AA R3332 VRS CY1JF335J 3 3M 1 16W Metal Oxide AA R3333 VRS CY1JF335J 3 3M 1 16W Metal Oxide AA R3334 VRS CY1JF223J 22k 1 16W Metal Oxide AA R3336 VRS CY1JF000J 0 1 16W Metal Oxide AA R3337 VRS CY1JF105J 1M 1 16W Metal Oxide AA R3338 VRS ...

Страница 76: ...AD IC710 VHiBR24C04F 1Y BR24C04F E2 PROM AG IC801 RH iX1539CEZZY IX1539CE AE IC2001 VHiMM1567AJ 1Y MM1567AJ LPF Driver AM IC2002 VHiMM1501XN 1Y MM1501XN Dub Video SW AE IC2003 VHiMM1508XN 1Y MM1508XN Comp Driver AE IC6004 VHiNJM4565M 1Y NJM4565M Audio Amp AE TRANSISTORS Q251 VS2PB709AR 1Y 2PB709AR AB Q602 VS2SC3203Y 1 2SC3203Y AC Q603 VS2PD601AR 1Y 2PD601AR AB Q604 VSKRA103S 1Y KRA103S AA Q605 VS2...

Страница 77: ...105M 1 50V Electrolytic AB C671 VCEA9M1CW107M 100 16V Electrolytic AB C672 VCKYCY1CF224ZS 0 22 16V Ceramic AB C673 VCEA9M0JW226M 22 6 3V Electrolytic AB C674 VCKYCY1CF104ZS 0 1 16V Ceramic AA C675 VCKYCY1CF104ZS 0 1 16V Ceramic AA C677 VCEA9M1CW106M 10 16V Electrolytic AB C678 VCKYCY1HF103ZS 0 01 50V Ceramic AA C679 VCKYCY1CF224ZS 0 22 16V Ceramic AB D1907 VHD1SS119 1Y 1SS119 AA D1908 RH EX0634GEZ...

Страница 78: ... Electrolytic AB C1906 VCEA9M0JW226M 22 6 3V Electrolytic AB C1907 VCEA9M1CW106M 10 16V Electrolytic AB C2001 VCEA9M1HW105M 1 50V Electrolytic AB C2002 VCEA9M1HW105M 1 50V Electrolytic AB C2003 VCKYCY1CB104KS 0 1 16V Ceramic AB C2005 VCKYD41CY103NY 0 01 16V Ceramic AB C2007 VCKYCY1EB103KS 0 01 25V Ceramic AA C2008 VCEA9M0JW107M 100 6 3V Electrolytic AB C2010 VCEA9M0JW476M 47 6 3V Electrolytic AB C...

Страница 79: ... R727 VRS CY1JF154JS 150k 1 16W Metal Oxide AA R728 VRS CY1JF332JS 3 3k 1 16W Metal Oxide AA R729 VRS CY1JF101JS 100 1 16W Metal Oxide AA R731 VRS CY1JF473JS 47k 1 16W Metal Oxide AA R732 VRS CY1JF154JS 150k 1 16W Metal Oxide AA R733 VRS CY1JF105JS 1M 1 16W Metal Oxide AA R735 VRS CY1JF104JS 100k 1 16W Metal Oxide AA R736 VRS CY1JF822JS 8 2k 1 16W Metal Oxide AA R737 VRS CY1JF103JS 10k 1 16W Metal...

Страница 80: ...JS 2 7k 1 16W Metal Oxide AA R2005 VRS CY1JF182JS 1 8k 1 16W Metal Oxide AA R2006 VRS CY1JF272JS 2 7k 1 16W Metal Oxide AA R2010 VRS CY1JF000JS 0 1 16W Metal Oxide AA R2013 VRS CY1JF000JS 0 1 16W Metal Oxide AA R2017 VRS CY1JF000JS 0 1 16W Metal Oxide AA R6001 VRS CY1JF103JS 10k 1 16W Metal Oxide AA R6036 VRS CY1JF102JS 1k 1 16W Metal Oxide AA R6037 VRS CY1JF102JS 1k 1 16W Metal Oxide AA R6038 VRS...

Страница 81: ...W8061 QSW K0003AJZZ Switch REC AB MISCELLANEOUS PARTS CN8001 QSOCN0895REZZ Socket 8Pin AC J8001 QJAKE0190CEZZ Jack 3Pin AE J8002 QJAKE0257GEZZ Jack 3Pin AE J8003 QJAKE0180CEZZ Jack 3Pin AE DUNTKB213TEV2 POWER PWB UNIT INTEGRATED CIRCUITS IC903 VHiMM1431AT 1 MM1431AT AD IC908 VHiPQ30RV11 1 PQ30RV11 1 8V AF IC909 VHiPQ15RW11 1 PQ15RW11 3 3V AG IC911 VHiKA7808AP 1 KA7808AP AE TRANSISTORS å Q901 VS2SK...

Страница 82: ... CY1JF472JY 4 7k 1 16W Metal Oxide AA R957 VRS CY1JF104JY 100k 1 16W Metal Oxide AA BALUNES FB901 RBLN 0090GEZZY Balun BLN 0090GE AB FB921 RBLN 0090GEZZY Balun BLN 0090GE AB FB922 RBLN 0090GEZZY Balun BLN 0090GE AB MISCELLANEOUS PARTS å ACC901 QACCDA005WJZZ AC Cord AH CN201 QPLGN0978GEZZ Plug 9Pin AC å F901 QFS B3025CEZZ Fuse 3A 125V AD å FH901 QFSHD1017CEZZ Fuse Holder AC å FH902 QFSHD1018CEZZ Fu...

Страница 83: ...r x2 AE 44 NGERW1081AJZZ Worm Gear AB 45 NGERW1082AJZZ Worm Wheel Gear AC 46 NiDR 0036AJZZ Idler Ass y AD 48 NPLYV0173AJZZ Limiter Pulley Ass y AF 49 NROLP0131GEZZ Guide Roller x2 AL 51 MSPRC0217AJFJ Guide Roller Spring x2 AC 52 PREFL1025AJZZ Light Guide AC 53 QCNW A245WJZZ FFC for Drum Motor AE 55 QCNW A247WJZZ FFC for A C Head AD 56 QPWBFB112WJZZ A C Head PWB AC 58 RHEDTA001WJZZ Full Erase Head ...

Страница 84: ...DVD Mecha x11 AA 50 XEPSD30P14XS0 Screw for Mecha x4 AB 51 XEPSF30P12000 Screw for Rear Panel x6 AA 52 XHPSD26P06WS0 Screw for Casssete AA Control x2 53 XHPSD30P06WS0 Screw for VTR Main BTM AA 54 XHPSF30P10WS0 Screw x2 AA 55 HDECQA032WJSA Tray Decoration Cover AF NC70U C 55 HDECQA032WJSB Tray Decoration Cover AF NC72U 56 LX HZ3096GEFF Screw x5 NC72U AB 56 LX HZ3096GEZZ Screw x5 NC70U C AB 57 XEPSD...

Страница 85: ...433 429 401 4 424 401 3 401 2 409 423 422 421 420 426 427 428 431 425 419 410 409 410 409 401 6 401 401 5 409 413 435 401 7 401 11 401 10 401 1 401 9 401 8 418 401 13 401 12 Dry Coating Dry Coating Dry Coating Dry Coating Grease Grease Grease Grease Grease When touching the pickup wear an earth band to prevent breakage by static electricity å Caution 401 14 ...

Страница 86: ...VCR PART A B C D E F G H 1 2 3 4 5 6 A A 66 66 53 222 221 55 17 59 56 70 202 66 65 62 66 63 1 33 9 2 58 24 32 7 51 49 73 201 203 49 51 16 71 8 215 6 12 36 31 18 13 224 45 67 41 19 28 204 38 37 61 208 29 10 34 11 30 23 48 46 219 27 35 209 210 211 212 213 214 35 43 5 43 4 21 52 25 72 44 60 64 20 205 216 205 Grease ...

Страница 87: ...NC72U Ref No Part No Description Code Ref No Part No Description Code CASSETTE HOUSING CONTROL EXPLODED VIEW A B C D E F G H 1 2 3 4 5 6 A A 300 302 306 304 301 314 314 305 309 315 303 312 313 317 308 307 310 311 Grease ...

Страница 88: ...Code CABINET EXPLODED VIEW A B C D E F G H 1 2 3 4 5 6 Q P O H G I J A G R F N M J S E F I H R D E B A M N O Q P K K S B D T T 56 2 49 49 49 49 49 54 32 54 51 36 50 31 55 49 26 33 21 49 35 49 58 43 42 27 37 47 40 49 29 38 24 45 44 46 25 30 28 53 48 50 52 57 34 41 C C 56 56 C C 2 1 59 ...

Страница 89: ...V NC72U Ref No Part No Description Code Ref No Part No Description Code A B C D E F G H 1 2 3 4 5 6 FRONT PANEL EXPLODED VIEW 600 13 600 6 600 14 600 11 600 9 600 8 600 10 600 7 600 12 600 5 600 600 1 600 2 600 4 600 3 ...

Страница 90: ...0U 72U TiNS A122WJZZ DV NC70C Operation Manual RRMCGA053WJSA DV NC70U C RRMCGA053WJSB DV NC72U Remote Control unit QCNW 8387AJZZ RF Cable SPAKP0209AJZZ Wrapping Paper TLABV0182AJZZ No Label Not Replacement Items SPAKCA071WJZZ DV NC70U C SPAKCA122WJZZ DV NC72U Packing Case SPAKXA023WJZZ Packing Add QCNW 8388AJZZ AV Cable SSAKA0001AJZZ Operation Manual Polyethylene Bag ...

Страница 91: ...107 DV NC70U C DV NC72U Ref No Part No Description Code Ref No Part No Description Code ...

Страница 92: ...ta Tochigi 329 2193 Japan COPYRIGHT 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher D SEM P SMM TQ1330 S Jul 2002 Printed in JAPAN SA DS NR ...

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