Sanyo HR-VX200, Basic Service Technical Information

Page 1: ...ON AND ASSY LEVER LOAD VC 18 CAPSTAN MOTOR 19 4 10 GEAR LOCKVC GEAR WHEEL 1 2 CAM MAIN GEAR RELAY PINCH VC 2O 4 11 LOADING MOTOR 21 4 12 ASSY LEVER BT ASSY BRAKEBAND 22 4 13 ASSY BRAKES T VC COMPL MOUNTING IDLERVC 22 4 14 ASSY BRAKESOFT T VC TAKE UP SIDE REELSPINDLE VC GEAR REELT VC 23 4 15 SLIDE SOFT S VC SUPPLY SIDE REELSPINDLE VC GEAR REELS VC 23 4 16 ASSY PULLEY FRICTION VC 4 17 GEAR CLUTCH VC...

Page 2: ...a depth of Icm and then taken out 1 1 1 REGULAR CHECKS o Clean 0 Check A Oil Hours of use H Part maintained 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 Remarks Tape guide o 0 0 0 0 0 0 0 0 0 Assy head rlp ace vc o 0 0 0 0 0 0 0 0 0 Tape path ompi cylinder XXXX o 0 0 0 0 0 0 0 0 he ife f arts aries system enormously depending on the AssY cylinder upr XXXX 0 environment in which the part ia 0 0...

Page 3: ...monoscope 5 Eccentric screw driver VHJ 0003 Used to adjust the tape path 6 Torque dial gauge VHJ 0004 Used to measure reel winding torque 7 Cassette torque meter VHJ 0016 Used to measure back tension torque 8 9 10 11 12 13 14 15 Torque gauge screwdriver VHJ 0014 Used to adjust the tightening torque of screws 2 3 mm dia bit 3 mm dia bit for torque screw driver VHJ 0045 Used to replace the bit of th...

Page 4: ...NING THE TAPE PATH SYSTEM AND REEL DRIVING SYSTEM Clean the pinch roller capstan shaft tape guides head erase full VC assy head r p ace VC reel spindle VC assy pulley friction vc r belt reel etc with chamois or a soft cloth soaked with methyl alcohol Xxxx Tape path surface Fig 1 3 1 2 AN OVERVIEW OF MECHANISM 2 1 NAMES OF MAIN PARTS 2 1 1 COMPL CASSETTE MECHA VC Hood sensor vc I 4 QJ Stand I vc 1 ...

Page 5: ...or cyl dc 2W vc I I Assy head r p ace vc I Ass As 2 1 3 Lever ep sw vc Gear reel s vc I Compl mounting idler vc MECHANISM CHASSIS LOWER MOtO capstan c3WVC A Tl Fig 2 1 2 Gear G t Spri Vc GearW ee12 Compi gear worm Assy pulley friction vc Gear wheel 1 Assy motor loading bb vc Fig 2 1 3 5 ...

Page 6: ...the crescent slide MODE SWITCH OUTPUT TABLE HEX DATA POSEW 2 Pos iw 1 Pos w o o H H H I 1 H H L 2 H L H 3 H L L 4 L H H 5 L H L 6 L L H 7 L L L L Connected to C terminal GND H Not connected to C terminal GND APPEARANCE OF MODE SWITCH AND RELATIONSHIP BETWEEN MODE POSITION INTIAL I IN REW EJECT F REW REVIEW R SEARC E IDLER I PLAY STOP STILIJSLOW Fig 2 2 1 6 ...

Page 7: ...s to indicate the mechanism modes with the edge of the mechanism L chassis as a reference The mechanism mode can be determined from the marking line for the slide crescent VC which matches the reference line of the mechanism chassis The HEX DATA can also be checked from the mechanism chassis hole Note No HEX DATA is indicated for the EJECT mode Instead the hole will be empty No HEX DATA is indicat...

Page 8: ...here are three methods to check mechanism operations setting the service mode applying DC voltage to the assy motor loading bb VC directly and rotating it rotating the assy motor loading bb VC manually 3 1 SERVICE MODE The service mode is a special mode for services which allows mechanism operations to be checked and the cassette tape to be ejected forcibly when it cannot be removed easily during ...

Page 9: ... VOLTAGE The loading motor shown in Fig 3 2 1 assy motor loading bb VC can be driven by supplying DC6V to DCIIV voltage to its terminals 1 Disconnect the power plug 2 Refer to 4 1 and remove the mechanism unit 3 To rotate in the PLAY and FF REW directions connect the pole to terminal A and the pole to terminal B To rotate in the EJECT direction connect the pole to terminal A and the pole to termin...

Page 10: ...or stator cyl dc Fig 4 1 1 2W VC and flexible cable of the assy cylinder Iwr Remove the two screws I at the bot om of the chassis m 4 Remove the four screws at the top of the chassis To remove the two screws in front press down the lever lid opener VC of the compl cassette mecha VC from the top to release the lock and move the tray VC 0 Be careful not to apply excessive force to the tray VC 0 5 Li...

Page 11: ...t backwards to remove PRECAUTIONS ON ASSEMBLY 1 Fit the two hooks in front to the two holes on the mechanism chassis adjust the four dowels to the four holes and attach the compl cassette mecha VC Q At this time press the lever ep sw vcr to the front Refer to Fig 4 2 l 2 Tighten the two screws with a torque of 5 9 to 6 0 kglcm Lever w swvc 1 Iwl Y xn Fig 4 2 1 11 ...

Page 12: ...e arrow shown in Fig 4 2 3 remove the two clamps l with the notch of the lever lid opener VC aligned with the protrusion of the shaft of the guide cassette r VC 0 and pull out the lever lid opener Vc B 11 Remove the two clamps shown in Fig 4 2 3 and pull out the guide cassette r VC 0 12 Remove the two clamps shown in Fig 4 2 4 and pull out the guide cassette I VC 13 Insert a thin slotted screwdriv...

Page 13: ... 4 2 13 check that the shafts of the guide cassette I r VC and and lever drive I r VC and are inserted properly into the stand r 1 VC and 0 Fig 4 2 12 and Fig 4 12 13 show the positions of the shafts in the EJECT mode Insert the shafts into the stand r 1VC and with the tray VC descended 5 After assembling move the slide drive VC forward and backward and check that the tray Vc r L rises and descend...

Page 14: ...rive r VC Fig 4 2 13 4 3 COMPL LEVER CLEANER Refer to Fig 4 3 1 1 Remove the cla p and remove the lever cleaner 2 Remove the clamp and remove the assy mounting cleaner PRECAUTIONS ON ASSEMBLY 1 Be careful not to dirty the assy mounting cleaner a 2 When attaching the lever cleaner hold the clamp 0 with the plastic spring pressed against the stopper and attach B Assy mounting cleaner Clamp L Lever c...

Page 15: ...of the mounting motor cylinder downwards and with the hexagonal wrench pressed to screw adjust the position of the mounting motor cylinder in the direction of the screw In this state hold the mounting motor cylinder 0 with the upper drum fitting tool VHJ 0112 and tighten the screw with the hexagonal wrench When attaching the motor rotor cyl dc 2W VC o the phase must be adjusted to that of the assy...

Page 16: ...e two dowels of the mounting part of the mechanism chassis Tighten the three screws with a 3 9 to 4 2 kg cm torque There is a need to adjust the phase to the assy cylinder upr XXXX when attaching the motor rotor cyl dc 2W VC As shown in Fig 4 4 3 attach so that the hole of the assy cylinder upr XXXX and hole of the motor rotor cyl dc 2WVC are on the same side After attaching refer to 5 3 Adjusting...

Page 17: ... ace VC in the arrow direction and then remove upwards PRECAUTIONS ON ASSEMBLY 1 Adjust the hole of the assy head rlp ace vcr to the position of the pin of the mechanism chassis 2 Tighten the screw with a 4 0 to 5 0 kg cm torque 3 After attaching check that clamp of the lever cleaner is hooked to the mounting part of the assy head r p ace VC 4 Be careful that the tape path surface does not scratch...

Page 18: ...rack pinch VC gear cam pinch VC r mounting opener VC and sliding parts of the mechanism chassis Apply grease to the shaded parts After attaching the gear rack pinch VC slide it until it touches the front Refer to Fig 4 8 6 and insert one end of the spring lever load VC into the hole of the outserter and hook the other end to the assy lever load VC Refer to Fig 4 8 7 and align the A mark to the gea...

Page 19: ... the A mark Gear relay pinch vc 4 9 CAPSTAN MOTOR 4 9 1 ASSY BRAKE CAPSTAN REFER TO FIG 4 9 l 1 Remove the spring brake capstan 2 Remove the clamp and remove the assy brake capstan Q PRECAUTIONS ON ASSEMBLY 1 Check that the clamp is hooked properly to the mechanism chassis Spring brake capstan 1 Assy brake 9 capstan lfl Clamp l ml 4Rxs A J FL 0 Fig 4 9 1 L L Fig 4 8 7 19 ...

Page 20: ...4 10 GEAR LOCK VC GEAR WHEEL 1 2 CAM MAIN GEAR RELAY PINCH VC Refer to Fig 4 10 1 to Fig 4 10 3 1 Refer to 4 1 and remove the mechanism unit 2 Remove the clamp at the bottom of the mechanism _ unit and remove the gear lock VC 3 Remove the clamp and remove the gear wheel 2 4 Remove the special washer and remove the cam main 5 Remove the clamp and remove the gear wheel 1 B 6 Remove the clamps and an...

Page 21: ...screwdriver into the space between the mechanism chassis and assy motor loading bb VC and press in the arrow direction to remove the assy motor loading bb Vc r compl gear worm and damper refer to fig 4 11 1 PRECAUTIONS ON ASSEMBLY 1 2 3 Apply grease VHJ 0114 to the shaft hole of the complr gear worm Q Apply grease VHJ 0100 to the bearing of the outserter of the mechanism chassis After attaching ch...

Page 22: ... B face the longer hook of the spring bt upwards and hook to the assy lever bt After attaching check that the positions where the two ends of the assy brake band are attached are as shown in Fig C Check that the assy brake band is applying a brake to the reel spindle VC of the supply side at the slide soft s VC 4 13 ASSY BRAKE S T VC COMPL MOUNTING IDLER VC Refer to Fig 4 13 1 1 Refer to 4 2 and r...

Page 23: ...de e Vc n Apply grease VHJ 01 00 to YT the shaft and I k haft 1 2 3 4 5 6 7 8 REEL SPINDLE VC GEAR REELS VC Refer to Fig 4 15 1 to 4 15 3 Refer to 4 1 and remove the mechanism unit Refer to 4 2 and remove the compl cassette mecha Vc Refer to Fig 4 15 1 and remove the spring brake soft s VC at the bottom of the mechanism Press the slide soft s VC in the arrow direction and then remove At this time ...

Page 24: ... clutch VC special washer and washer Note Remove the gear clutch VC and special washer in the assembled state Normally the washer need not to be removed Remove the spring change clutch VC and remove the lever clutch vc Since lever clutch VC once removed deforms it cannot be reused again Do not attempt to remove it any valid reason PRECAUTIONS ON ASSEMBLY 1 If the lever clutch VC has been removed b...

Page 25: ...ig 1 2 3 4 5 6 7 4 18 1 Fig 4 18 2 Refer to 4 1 and remove the mechanism unit Refer to 4 2 and remove the compl cassette mecha Vc Refer to 4 10 and remove the gear wheel 2 gear wheel l gear lock VC and cam main VC Refer to 4 17 and remove the lever control brake Vc Remove the belt reel VC Remove the spring return brake VC Remove the sDecial screw and remove the 8 mounting crescent vc Lift the righ...

Page 26: ...g 4 20 2 remove the clamp and remove the components of the gear load s spring load s and assy lever load s As the clamp damages easily take note to apply excessive force When disassembling components take care that the spring load s does not jump up Remove the components of the gear load t spring load t and assy lever load t When disassembling components take care that the spring load t does not j...

Page 27: ...of the mechanism notch of the mechanism chassis and then remove chassis and then remove Q Gear load t Gear loads I er load s Apply grease VHJ 0100 to the shaped part Fig 4 20 3 0 5mm Fig 4 20 4 Fig 4 20 1 Clamp Gear load t I Spring I Gear load s Assy lever 10 pring load s I lb Gear load t ar load s Align the posit Fig 4 20 5 incl t vc and the surrounding area cline pin of the rail 0 O Assy mountin...

Page 28: ...ing earth VC PRECAUTIONS ON ASSEMBLY 1 Tighten the special screw with a 6 to 7 kg cm torque 2 After attaching check that the tip of the shorter spring earth VC is inside the hole and that the longer one is parallel to the right edge of the mechanism chassis ial screw pring earth vc Fig 4 22 1 28 4 23 SPRING GUIDE EARTH VC GUIDE S VC Refer to Fig 4 23 1 Note Some models may not be attached with a s...

Page 29: ...mode or FF mode for the first time after the tray VC descends continue rotating the reel table of the take up or supply side for about 5 seconds After the mode changes to REW or FF set the mode to STOP once Then perform the check in step 2 or 3 In the STOP state install the torque dial gauge VHJ 0004 to the supply side reel press the REW button and check that the torque of the supply side reel is ...

Page 30: ... tape smoothly comes out from the reel and runs along the tape guides and cylinders drum naturally It is important to observe the tape guides visually Supply side assembly roller guide Head erase Take up side full Vc assembly roller guide I Assy head r pacevc I Capstan shaft Guide s vc Compl Assy cylinder lever load vc BT post Tape guide t Pinch Jl I roller Tape guide O L Fig 5 3 1 5 3 1 PREPARING...

Page 31: ...changes adjust the assy roller guide of the take up side of step 3 again Pressed Pressed Normal excessively inadequately Eccentric screwdriver VI IJ 0003 Take up side P Supply side assembly roller guide assembl L Adjust so that the envelope waveform becomes flat when maximum at the radial shape as shown in Fig 5 3 3 c tightening the assy roller guide of the supply side even further will not correc...

Page 32: ...ew as they are adjusted precisely at shipment If they are touched malfunctions etc may result Azimuth adjusting screw I djusting screw As this screw has been adjusted precisely never touch it Audio head Control head 2 Adiustinu tracking X value Refer to Fig 5 3 5 1 2 3 4 5 6 7 Play the alignment tape NTSC VHJ OO06 PAL VHJ 0009 Press the tracking buttons channel A and Y together and reset to the tr...

Page 33: ...half is below 20 A from the maximum amplitude of the envelope waveform After setting to PLAY R SEARCH R SEARCH PLAY check that the envelope waveform rises immediately Also check that the tape does not slack near the pinch roller When set to PLAY from the modes FF REW F SEARCH R SEARCH STOP check that the envelope waveform rises immediately Also check that the tape does not slack near the pinch rol...

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Page 36: ... Feb 9l l 1520 SU Printed in Japan SANYO Electric Co Ltd Osaka Japan ...