DV MECHANICAL ADJUSTMENT MANUAL IV
Contents
1. D When attaching the reel table avoid the 1 67 9 adjusting plate assembly Yo Be careful not to scratch the tension regulator pad 3 5 CASSETTE BASE BLOCK ASSEMBLY GOOSENECK GEAR ASSEMBLY AND RELAY GEAR Remove the 3 1 Tape Fall Stopper and 3 3 Damper Assembly and Cassette Compartment Assembly Remove towards the front upwards 4 LED Refer to figure 1 Removing method Remove in the order of Q 2 3 Garow OOO Attaching method Attach in the order of O gt gt gt 3 155 3 screw QOO ESS MS Cassette base block Details diagram on removal and NaN wu attachment of LED Removing gt Attaching lt DQ Nee 03 9 1 227A State check Refer to figure N Refer to 3 12 for details on how to replace assemblies such as the brake S ue S ooseneck gear assembly Cassette base block assembly tightening torque 0 0686 Nem 0 7 kgecm Fig 1 Be careful not to scratch the Flexible board Details diagram on State Checking of Brake S The gear is engaged with the reel table and does not disconnect Pull the part with an object with a pointed 9 Disconnects Does not disconnect Apply the grease 1 5mm dia 10 Screw tightening torque tolerance 0 0098 N m 0 1 kg cm 3 6 TG1 ADJUSTMENT PLATE ASSEMBLY TENSION COIL SPRIN2. Check the slack between here Tolerance 0 3 mm Visually TG7 4 7 CURL CHECKING AND ADJUSTMENT e Checking adjusting method Run the tracking tape J 9 exclusive in the CUE mode or REV mode and check that the tape runs along each flange Also check that there are no large curls on each tape guide There should be no large curls on the upper flange of TG3 and TG6 TG3 TG4 Drum 4 a TG1 om TG6 Coaster S assembly 4 8 CUE REV CHECK e Checking method Run the tracking tape J 9 in the CUE mode or REV mode and check that the intervals of the waveform peaks are consistent CUE mode REV mode If not even If the waveform peaks are not even perform Tracking adjustment again x ome gt A 4 4 RW If the curl is large or there are clearances If the TG3 curl is large or clearances exist replace the coaster S assembly If the TG6 curl is large or clearances exist replace the coaster T assembly If curls or clearances exist on the TG7 rotate TG7 and adjust its height Note Be careful not to rotate TG7 excessively For details on how to replace the coaster S T assembly refer to 3 13 on page 16 There should be no large curls on the upper and lower flanges of TG7 Use a mirror J 4 for checking for TG7 Easy to check with removing the damper assembly Refer to3 3 Damp
3. Does not disconnect T side 3 Attach the respective coaster assemblies From the back of the guide rail Coaster T assembly 4 Attach the GL gear block assembly in the order of the S and T sides Attached Does not properly disconnect Take note of the direction in which the joint bends Phase GL gear S block assembly Phase adjustment GL gear T block Take note of the direction in which the joint bends NL 3 14 L MOTOR ASSEMBLY MOTOR SHIELD FP 248 FLEXIBLE BOARD TG1 SPRING HOOK SPRING HOOK FULCRUM BASE SPRING HOOK DRIVING ARM WORM SHAFT DECELERATION GEAR AND MOTOR HOLDER Removing method Refer to the detailed diagram on the right and remove each part L motor assembly Motor shield TG1 spring hook da 2 gt Spring jet f 4 fulcrum at a T L4 FP 248 flexible board DEW sensor Two claws L motor Spring hook ariving arm Two claws motor shield Motor holder P EON 3Deceleration gear Attaching method 1 Attach the worm shaft Worm shaft Insert A Motor holder Bottom side 2 Attach the L motor assembly motor shield and deceleration gear i L motor assembly Deceleration gear 3 9 Motor holder Top side Removal of TG1 Spring Hook Rotate to the left slightly opened Unhooks 5 Iis 7 Motor holder Top side M
4. J 13 Mode selector II ROM Corresponds to C mechanism Note 2 J 6082 314 D J 14 Bending stick J 6082 419 A Note 1 Note 2 J 8 Mode selector conversion board C J 11 Adjusting remote commander RM 95 remodeled partly Note 1 J 3 Super fine applicator Made by NIPPON APPLICATOR P752D J 6 Torque driver J 9049 330 A J 9 Tracking tape XH2 1 NTSC PAL 8 967 997 01 J 12 Mode selector II J 6082 282 A If the micro processor IC in the adjusting remote com mander is not the new micro processor UPD7503G C56 12 the pages cannot be switched In this case replace with the new micro processor 8 759 148 35 ROM for version upgrading to allow use of the mode se lector II with the C mechanism Screw tightening torque tolerance 0 0098 N m 0 1 kg cm 3 PARTS REPLACEMENT Precautions For details on removing the cabinet and board refer to DISASSEMBLY in the respective service manuals For details on the replacement of mechanism parts removal or attaching refer to the respective flowcharts and perform the procedure given 3 1 TAPE FALL STOPPER HC ROLLER AND HC ARM Removing method Spread out the left and right attaching parts and remove them upwards Attaching method Refer to the Details diagram 2 Details diagram on attachment of Tape a fall stopper Fall Stopper ges The left and right attaching parts are fixed to the chassis S
5. Entrance side Exit side maray OB V 9 4 6 TG7 SLACK CHECKING AND ADJUSTMENT e Checking adjusting method Run the tracking tape J 9 in the REV mode and visually check from right above the slack between the capstan and TG6 If the slack is great rotate TG7 to satisfy the specified value If not flat If the waveform at the entrance is bad rotate TG3 If that at the exit is bad rotate TG6 to flatten the waveform Faulty entrance side Faulty exit side Tips for adjustment The tape path waveform at the entrance and exit should both be flat or that at the entrance should be slightly raised and that at the exit should be lowered If that at the entrance is slightly lowered especially problems such as sound drop may occur Raised at the entrance Lowered at the exit If the waveform does not become flat even if the guides are rotated at the entrance and exit the characteristics may be faulty of the tracking tape with time Check again using a new tracking tape If the waveform still does not become flat the coaster assembly and drum base block assembly may be faulty For details on how to replace refer to 3 2 Drum Base Block Assembly or 3 9 GL Block Assembly If the slack occurs If the slack can not be corrected the TG7 arm block assembly may be faulty For details on how to replace refer to 3 6 TG7 Arm Block Assembly REV mode Capstan 21
6. TENSION COIL SPRING TG7LD TORSION ARM ASSY PINCH ARM BLOCK ASSY 7 GEAR T GL GEAR S GL Refer to page 11 for details of replacement of parts Part No 3 988 258 01 3 988 253 01 3948 440 1 3948 439 3 3 947 503 01 3 988 242 01 3948 438 3 3948 437 1 3 988 690 02 3748 630 2 3 050 334 01 Refer to pages 12 and 16 for details of replacement of parts NIA Refer to pages 11 and 12 for details of replacement of parts Description Remark SPRING GLT TORSION SPRING GLS TORSION ARM T ASSY GL ARM S ASSY GL SCREW 1 4 2 5 RAIL GUIDE COASTER T ASSY COASTER S ASSY SPRING TG7 RETAINER ROLLER ASSY DIA 5 6 PINCH SCREW 1 4 5 Ver 1 1 1999 10 1 3 EACH GEARS AND LOADING CAPSTAN MOTOR ASSEMBLY Refer to page 11 for details of replacement of parts replacement of parts 811 815 Refer to page 14 for details of replacement of parts Part No 3 988 274 01 3 988 276 02 3 988 216 01 3 988 211 01 3 988 210 01 3 988 207 01 3 947 503 01 3 988 303 01 3 988 271 01 3 988 302 01 3 988 208 01 1 657 785 11 7073 418 3 988 280 03 3 988 239 01 Description Remark Ref No PULLEY CONVERSION 816 BELT TIMING 817 GEAR CAM 818 GEAR DECELERATION 819 SHAFT WORM 820 HOLDER MOTOR CN901 SCREW M1 4X2 5 D901 ARM SPRING HOOK DRIVING H901 BASE SPRING HOOK FULCRUM H902 HOOK TG1 SPRING M901
7. FWD POSITION CHECKING AND ADJUSTMENT e Checking adjusting method Bend the TG1 adjustment plate with the bending stick J 14 so that the TG1 flange external circumference including fluctuation is within the gauge range while the TG1 adjustment jig 7 7 runs in the FWD mode TG1 should be within the gauge Insert the bending stick J 14 rotate left and right to adjust the TG1 position TG1 arm assembly Adjustment position Gauge i TG1 adjustment plate assembly 4 2 FWD BACK TENSION CHECKING AND ADJUSTMENT e Checking adjusting method Check the gauge value reel table S side of the mini DV torque If the FWD position is correct but the specified value for the FWD cassette J 10 in the FWD mode Adjust the position of the TG1 back tension is not satisfied replace the tension coil spring TG1 spring hook so that the gauge value satisfies the specified value and perform this adjustment again If the specified value is not satisfied hook the TG1 spring hook For details on how to replace refer to 3 6 Tension coil spring claw to the middle position and check that the FWD position is 1 correct If not correct adjust FWD position again and check If the fluctuations of the FWD back tension are great and the the FWD back tension again specified value is not satisfied replace the reel table S assembly For details on how to replace refer to 3 4 Reel Ta
8. Printed in Japan O 1998 4 9 974 050 11 Parsonal A amp V Product Company Published by Engneering Dept 24 Osaki East DV MECHANICAL ADJUSTMENT MANUAL IV 1999 10 SUPPLEMENT 1 File this supplement 1 with your Mechanical adjustment manual 99 020 CHANGE OF SUPPLIED PART Page 5 1 3 EACH GEARS AND LOADING CAPSTAN MOTOR ASSEMBLY INCORRECT CORRECT 819 M903 MES supplied y SS A Ref No Part No Description Remark Ref No Part No Description Remark 3 051 787 02 SPRING CAP COMPRESSION COIL Changed portion Digital MECHANISM SONY 71 1 9 974 050 82 Personal VIDEO Products Company Printed in Japan eran 0 Published by Safety amp Service Engineering Dept
9. SHIELD MOTOR M903 FP 248 FLEXIBLE BOARD DEW SENSOR Q901 FP 594 BOARD COMPLETE Q902 ARM HC DRIVING 901 GEAR GL DRIVING 902 903 Refer to page 12 for details of replacement of parts Part No 3 988 223 01 3 988 224 01 X 3948 431 4 3 050 170 01 3 051 787 02 1 784 723 11 8 719 067 13 8 719 061 28 8 719 061 28 3948 346 1 8 835 606 01 8 29 907 25 8 729 907 25 1 771 039 51 1 972 719 32 1 771 325 11 Refer to pages 14 and 17 for details of replacement of parts Refer to page 12 for details of replacement of parts 814 Refer to page 12 for details of replacement of parts Description Remark ARM EJECT ARM PINCH PRESS CHASSIS ASSY HOLDER SPRING CAP COMPRESSION COIL PIN CONNECTOR 4P DIODE GL453K DIODE HW 105C FT V S REEL SENSOR DIODE HW 105C FT V T REEL SENSOR MOTOR ASSY L LOADING MOTOR DC SCD15A C NP CAPSTAN PHOTO TRANSISTOR 850 END PHOTO TRANSISTOR PT4850F TAPE TOP SWITCH PUSH C IN SW SWITCH PUSH 1 KEY REC PROOF ENCODER ROTARY SWITCH MODE 2 PARTS REPLACEMENT AND PREPARATION FOR ADJUSTMENT About Mode Selector 2 1 OUTLINE 2 2 MECHANISM CONDITION POSITION This unit is a mechanism drive tool which supplements the SHIFTING ORDER LIST maintenance of each mechanism deck Its functions are After selecting the mechanism deck select one of the two test described below modes other than the auto test and press
10. Tape Path Checking and Adjustment 20 4 5 Track Checking and Adjustment 21 4 6 TG7 Slack Checking and Adjustment 21 4 7 Curl Checking and 22 4 8 CUE and REV lee Knie epe pair EVE TRUE 22 4 9 Rising 22 5 PERIODIC CHECK 5 1 Cleaning of Rotary Drum Assembly 23 23 2 Cleaning of Tape Path System 23 320 Periodic m 23 1 EXPLODED VIEWS NOTE tems marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not supplied 1 1 CASSETTE COMPARTMENT DRUM AND REEL TABLE ASSEMBLY Refer to page 9 for details of replacement of parts 7 0 SY See ee 714 Refer to page 10 for details of replacement of parts Refer to pages 10 and 15 for details of replacement of parts Ref No Part No Description 701 3 988 312 01 SPRING EXTENSION 702 3 988 220 01 BRAKE T 703 3 988 221 01 GEAR T BRAKE 704 3 988 222 01 SPRING T BRAKE 705 3 988 215 02 BASE CASSETTE 706 3 988 217 01 ARM S RESET 107 3 988 281 02 ARM HC 708 3 988 219 01 RACK S BRAKE 709 3 988 218 01 BRAKE S 710
11. adjustment 1 Connection and Setting Clean the tape running side Refer to 5 2 Cleaning of Tape Path System 2 Connect the adjusting remote commander J 11 and input the setting value of the model The setting value differs according to the model Refer to the respective service manual For DCR TRV9 TRV9E Page 3 Adaress 3C gt Data 107 Adjusting remote commander RM 95 3 Connect an oscilloscope The connecting state differs according to the model Refer to the respective service manual 4 Play the tracking tape J 9 Exclusive and check the states at the entrance and exit of the RF waveform If not flat at either side perform the adjustments from Flowchart Adjustment start 2 on page 18 Normal Faulty entrance side Faulty exit side e Preparations before adjustment 2 Preparing an exclusive tracking tape J 9 Remove the lid of the cassette due to the C mechanism structure Assemble without this part 1 b 4 1 S Torsion spring This is to prevent the lid from rising when the damper is removed so that it does not come in the way of the mirror J 4 inserted when checking the slack and curl between the capstan and TG7 e 4 5 TRACK CHECKING AND ADJUSTMENT e Checking adjusting method Run the tracking tape J 9 in the PLAYBACK mode and check that the RF waveform is flat at both the entrance and exit PLAY mode Normal waveform
12. the RVS and FF button to specify the mechanism state position 1 Manual test A mode which drives the motor only while the switch is ON It enables the operator to control the motor as desired 2 Step test A mode which drives the motor until the current condition detected by the sensor changes to another condition It enables the movements made by the motor in each operation to be controlled while being checked O Oo D 0 0 1 1 1 1 0 3 Auto test A mode that checks if the mechanism operates normally according to the condition shift table recorded in the unit for each mechanism deck AII the conditions of the decks are checked through a series of operations An error message is displayed if incorrect shifts and conditions are detected and operations are stopped 2 3 MODE SELECTOR II A 6082 282 A CONNECTION 2 Alligator Clip FP 594 flexible board C Mode serector Battery of NP 55 77 etc Mode selector conversion Power supply board C Connector Black 6P 2 4 SERVICE JIGS LIST J 1 Cleaning fluid Y 2031 001 0 J 2 Wiping cloth 7 741 900 53 J 4 Mirror Small oval type J 6082 840 A d J 7 TG1 adjustment jig FWD position adjustment J 6082 420 A J 5 Screwdriver for tape path J 6082 026 A J 6082 417 A J 10 Mini DV torque cassette J 6082 360 A J 6082 053 B
13. 3 947 503 01 SCREW M1 4X2 5 Remark 711 712 713 714 715 716 717 718 719 M901 Ref No Part No X 3948 445 1 X 3948 444 1 3 989 465 01 3 988 298 01 X 3948 441 2 X 3948 443 2 A 7093 612 A 3 988 282 01 3 988 283 01 Note Refer to page 8 for details of replacement of parts Refer to page 9 for details of replacement of parts Note Refer to the proper service manual since the model name of drum as sembly and the Parts No are dif ferent according to sets Description Remark TABLE T ASSY REEL TABLE S ASSY REEL WASHER STOPPER SPRING EXTENSION CASSETTE COMPARTMENT ASSY DAMPER ASSY DRUM BASE BLOCK ASSY ROLLER HC STOPPER TAPE FALL DRUM ASSY 1 2 TAPE GUIDE PINCH SLIDER ASSEMBLY AND BRAKE SLIDER ASSEMBLY Including Ref No 813 on page 5 Refer to page 11 for details of replacement SSss of parts Refer to page 11 for sets e of replacement of parts 753 Refer to page 10 for details of replacement of parts Ref No 751 752 753 754 159 756 Sf 758 139 760 761 762 Part No 3 988 263 01 X 3948 442 2 X 3948 435 2 X 3948 434 1 X 3948 428 4 X 3948 766 1 3 988 270 01 3 988 233 01 X 3948 433 2 A 7093 501 A 3 988 257 02 3 988 252 03 9 7 754 Remark Description GEAR RELAY GEAR ASSY GOOSENECK PLATE ASSY TG1 ADJUSTMENT ARM ASSY TG1 SLIDER ASSY PINCH SLIDER ASSY BRAKE SPRING TG1
14. Assembly Gooseneck sembly each coaster must be in Gear Assembly and Relay Gear contact with the end of the guide rail Be careful not to touch the tape guide part 3 6 TG1 Arm Assembly TG1 Adjustment Plate Assembly and TG7 Arm Block Assembly 3 7 Brake Slider Assembly Pinch Slider Assembly and Cam Gear Rotary encoder and 3 8 Pinch Arm Assembly Removing method Remove in the order f O O G Attaching method Attach in the order of O gt gt Q gt Q Be sure to adjust the position and phase After attaching all the parts refer to the flowchart on page 18 and perform the adjustments from Starting adjustments 1 Refer to 3 13 for details on how GL block assembly to replace assemblies such as tightening torque the guide rail 0 0686 Nem 0 7 kgecm 12 Screw tightening torque tolerance 0 0098 N m 0 1 kg cm 3 10 CAPSTAN MOTOR CONVERSION PULLEY TIMING BELT AND HOLDER 3 1 Tape Fall Stopper 0 0686 Nem 0 7 kgecm 0 3 3 Damper Assembly and Cassette Compartment Assembly Capstan motor 2 B ful h th 3 2 Drum Assembly and Drum Base Block Assembly eh M Po me 3 4 Reel Table S Reel Table T Assembly Timing belt 3 Compression spring 3 5 Cassette Base Block Assembly Gooseneck supplied parts Gear Assembly and Relay Gear OD nversion pulley ST 6 lt 2 Holder ES N Ar
15. Claw vi arms S2 and T2 into the chassis 4 Attach the damper assembly Attach the two extension springs PS y Damper arm iA eh Cassette compartment arm T2 Cassette compartment arm T2 S2 opposite side Damper assembly Cassette compartment arm 1 51 opposite side Take note of the position at which the shaft is fixed The E part should be visible from the chassis side Take note of the position at which the shaft is fixed The damper arm should also be fixed to the same shaft Damper arm Screw tightening torque tolerance 0 0098 N m 0 1 kg cm 3 4 REEL TABLE S REEL TABLE T ASSEMBLY Remove the 3 1 Tape Fall Stopper and 3 3 Damper Assembly and Cassette Compartment Assembly Removing method Remove in the order of Q 2 3 s in bin Attaching method Attach in the order of O 4 9 3 wasners inal nave been removed once After attaching all the parts refer to the flowchart on page 18 and G5 3 Stopper washer erform the adjustments from Starting adjustments 1 Details diagram on removal of Reel Table S Assembly Does not M m Reel table S assembly vU Take note of how it should be removed o Ng 7 The gear is engaged with the reel table and does not disconnect Pull the F part with an object with a pointed end to disengage NOE id
16. DV MECHANICAL ADJUSTMENT MANUAL IV Ver 1 1 1999 10 with SUPPLEMENT 1 9 974 050 82 C MECHANISM DN e File with the SERVICE MANUAL For details on schematic diagram printed circuit boards diagram and electric parts list regarding this mechanism deck refer to the service manual for the unit mounting the C mechanism Digital MECHANISM SONY TABLE OF CONTENTS 1 EXPLODED VIEWS 1 1 Cassette Compartment Drum and Reel Table Assembly 3 1 2 Tape Guide Pinch Slider Assembly and Brake Slider PS UN ters T 4 1 3 Each Gears and Loading Capstan Motor Assembly 5 2 PARTS REPLACEMENT AND PREPARATION FOR ADJUSTMENT e About Mode Selector PEE O 6 2 2 Mechanism Condition Position Shifting Order List 6 2 3 Mode Selector II J 6082 282 A Connection 6 Red Iu B b NER 7 3 PARTS REPLACEMENT 3 1 Fall Stopper HC Roller and HC Arm 8 3 2 Drum Assembly and Drum Base Block Assembly 8 3 3 Damper Assembly Cassette Compartment Assembly and Extension Spring ERN 9 3 4 Reel Table S T Assembly 10 3 5 Cassette Base Block Assembly Gooseneck Gear Assembly and Relay Gear 10 3 6 TG1 Adjustment Plate Assembly Tension Coil Spring TG1 TG1 Arm Assembly TG7 Retainer Spring and TG7 Arm Block Asse
17. G TG1 TG1 ARM ASSEMBLY TG7 RETAINER SPRING AND TG7 ARM BLOCK ASSEMBLY Remove the Be careful not to touch the Tension coil spring Screw tape guide Wl part TG TG7 retainer im 3 1 Tape Fall Stopper Tat ammassomby ec spring Do no scratch the tension TG7 arm block assembly regulator pad i TG1 adjustment DA 5 C assembly 22 3 3 Damper Assembly and Cassette Compartment Assembly v TG1 spring 7 hook ETT e Pinch slider Cw lt and 3 5 Cassette Base Block Assembly Removing method Remove the desired parts as shown in Pinch arm the figure SS p Attaching method Refer to the detailed diagrams gt After attaching all the parts refer to the flowchart on page 18 A and perform the adjustments from Starting adjustments 1 A 52 Refer to detailed A Details diagram on attachment of TG1 Apply the grease Hes Arm Assembly 1 5mm dia pS wo A OY NS 27 Attach so that the TG1 flange is almost TG7 retainer spring tightening torque T 5v NG S X parallel to Ihe flange pee CIC MU Insert the tweezers from this hole temporarily Or Q KA a tighten the spring and release it 22 1 Z e Details diagram on removal and attachment of TG7 arm Block Assembly 22 TG1 frange Z 9 JONG Remove the tension of the When removing When attaching spri
18. M ASSEMBLY TORSION SPRING TG7LD PINCH PRESS ARM AND EJECT ARM Remove the Pinch arm assembly 3 1 Tape Fall Stopper a 3 3 Damper Assembly and Cassette Compartment Assembly 9 Ej EN ject arm 4 ING TRU lt gt 3 4 Reel Table S Reel Table T Assembly Pinch press arm 07 29 J 3 5 Cassette Base Block Assembly Gooseneck Gear Assembly and Relay Gear 3 6 TG1 Arm Assembly TG1 Adjustment Plate Assembly and TG7 Arm Block Assembly and 3 7 Brake Slider Assembly and Pinch Slider Assembly Removing method Remove in the order of O O G Attaching method Attach in the order of gt gt gt Q Be sure to adjust the position and phase Details diagram on attachment of Pinch Arm Assembly and Torsion Spring TG7LD Attach so that this hole overlaps with the hole of the chassis Attach so that the eject arm and switch engage 3 9 GL BLOCK ASSEMBLY GL DRIVING GEAR AND HC DRIVING ARM Remove the Details diagram on adjustment of Position and Phase 3 1 Tape Fall Stopper ox Attach so that the 3 3 Damper Assembly and Cassette Compartment Assembly E Na pin of the arm fits the Jj part 3 2 Drum Assembly and Drum Base Block Assembly 3 4 Reel Table S Reel Table Assembly When attaching the GL block as 3 5 Cassette Base Block
19. Pin 15 3 13 COASTER 5 ASSEMBLY GL ARM S ASSEMBLY GUIDE RAIL GL GEAR 5 AND TORSION SPRING GLS GLT Removing method Refer to the detailed diagram on the right and remove each part Be careful not to touch the tape guide part Coaster S assembly GL arm T assembly Torsion spring Torsion spring GLS GLT y GL gear S CB GL gear T Assembling the GL Block Assembly 1 Attach the tension coil spring to each gear To differentiate the S side and T side the side with more coils is the T side The S side has less coils Face the ends of the spring towards you the tip of the coil lower side is positioned at the right for the S side and at the left for the T side Torsion spring GLS Torsion spring GLT O b Ons Ye Insert into the hole Fit inside the notch 2 Hook the spring to the GL arm and rotate in the gt 2 direction until the claw of the GL arm passes over the part and the H becomes visible When the GL arm is completely inserted the GL arm claw will pass below part by the tension of the spring gt GL arm S assembly GL arm T assembly Hook the spring Detailed diagram on removal of GL Arm S T Assem bly Be careful not to bend the GL arm Disconnects S side Does not disconnect S side The part is hooked Unhook the part Disconnects T side
20. ble S 7 Assembly If smaller than the specified iig bid vii value hook inthe Aroclor FWD mode counterclockwise OO Hook the TG1 spring hook at a different position using a pair y 0 6 DNO of tweezers etc ay Q Tension coil spring S TG1 spring hook TG1 spring hook TG1 arm assembly Spring hook fulcrum base FWD back tension value Center value of the fluctuation 4 9 to 7 1 x10 mN m 218 ERE o Mini DV torque cassette J 10 4 3 REEL TABLE S REEL TABLE T TORQUE CHECK e Checking the Reel table S side Check the gauge value reel table S side of the mini DV torque cassette J 10 in the RYS mode RVS mode Reel table S torque value e Checking the Reel table T side Check the gauge value reel table T side of the mini DV torque cassette J 10 in the FWD mode FWD mode Reel table T torque value Center value of the fluctuation Center value of the fluctuation 15 7 to 24 5 x10 mN m 4 4 to 9 3 x10 mN m Mini DV torque cassette J 10 If the specification is not satisfied check the 4 1 FWD position and if no problems replace the respective reel tables and check again For details on how to replace refer to 3 4 Reel Table S Reel Table T Assemblies 4 4 PREPARATION FOR TAPE PATH CHECKING AND ADJUSTMENT e Preparations before
21. er Assembly on page 9 Capstan Coaster T assembly TG7 4 9 RISING CHECK Checking method Check that when the tracking tape J 9 is switched from the STOP CUE REV FF REW modes to the PLAYBACK mode the waveform rises horizontally within 2 seconds Perform this 2 or 3 times Mode changes gt PLAYBACK gt Pravencx When switching the modes gt PLAYBACK the waveform should rise within 2 seconds 2 or 3 times 7 ssec new gt PLAYBACK Check after checking rising Check that the tape loads and unloads smoothly Play a self recorded or already recorded tape and check that the sound and images are normal ius 5 PERIODIC CHECK Carry out the following maintenance and periodic checks not only to fully display the functions and performance of the set but also for the equipment and tape After repairing service the set as follows regardless of the length of use 5 1 CLEANING OF ROTARY DRUM ASSEMBLY 1 Press a wiping cloth J 2 moistened with cleaning fluid J 1 against the rotary drum assembly gently and clean it while rotating the rotary drum assembly slowly with your finger in the counterclockwise direction Note Do not rotate the motor on power or rotate the rotary drum assembly in the clockwise direction with your finger The head tip will also be damaged if the wiping cloth is moved perpendicularly against it Therefore be sure to foll
22. ils on how to replace assemblies such as the TG1 spring hook Detailed diagram on removal and attachment of Sensor Holder S T Sensor holder S Sensor holder T Two claws nector Pin 4P Push switch REC PROOF Should be fit to the connector hole Push switch Cassette in SW Should be fit to the positioning hole Tightening torque 0 0686 Nem 0 7 kgecm 14 Detailed diagram on removal and attachment of Con Connector pin 3 12 RESET ARM S BRAKE S BRAKE RACK 5 BRAKE BRAKE GEAR BRAKE SPRING AND EXTENSION SPRING Removal or attaching method Detailed diagram on removal and attachment of Brake T Brake T Brake Gear T and Brake Spring T Attaching method Insert the brake gear T into the brake spring T and slide the 6 5 brake to attach Remove in the reverse order Extension spring b Spring VA Reset arm 5 N d BW het Brake T So Cy N Brake rack S 0 ff Extension spring Die SS e c Brake S SF Removal and attachment of Brake S Brake Rack S and Extension Spring Note Be careful not to deform the brake spring T Position adjustment A Reset arm S of Pin Extension spring m so that the gear CR faces down gt 2N fA Brake ete d 3 _ 5 SO a ae Brake rack S CO d Position adjustment of
23. m Block Assembly and TG7 Retainer Spring Sa OY 3 7 Brake Slider Assembly and Pinch Slider Assembly Mic z 3 8 Pinch Arm Assembly Pinch Press Arm 3 SIRO and 3 9 GL Block Assembly Removing method Remove in the order of O gt Q gt gt e 5 e 6 Attaching method Refer to the following diagram 3 6 TG1 Arm Assembly TG1 Adjustment Plate Assembly os After attaching all the parts refer to the flowchart on page 18 and perform the adjustments from Starting adjustments 1 Attachment of Timing Belt 1 Refer to Removing method and attach the compression spring 5 After attaching pull the timing belt lightly and check that the TG7 and holder to the chassis movements of the conversion pulley and gear at the back of the capstan motor are linked 2 Attach the timing belt to the capstan motor and the conversion pulley Capstan motor When the capstan motor is screwed on with the belt protruding from the indented part of the part the belt Conversion pulley will become fixed EPRI SA Capstan motor Timing belt 3 Attach the conversion pulley to the conversion pulley shaft Attach the capstan motor to the chassis 4 Secure the capstan motor with the screw Conversion pulley Screw Capstan motor tightening torque 0 0686 Nem 0 7 kgecm Apply the grease 1 5mm dia Conversion pulley shaft Conversion
24. mbly 11 3 7 Brake Slider Assembly Pinch Slider Assembly AB nese m 11 3 8 Pinch Arm Assembly Torsion Spring TG7LD Pinch Press Arm and Eject Arm 12 3 9 GL Block Assembly GL Driving Gear and HC Driving Arm ascts sd vac nbisatcrap ies samaisesan saat acoacansaeasnaets 12 3 10 Capstan Motor Conversion Pulley Timing Belt and Holder 13 3 11 L Motor Block Assembly and LE P 594 Flexible Board ooo conoces iro EE Ri s ERAN uE RUM Ou E 14 3 12 Reset Arm S Brake S Brake Rack S Brake T Brake Gear T Brake Spring T and Ext nsion Sprin iesse 009001 0 0 9209s 15 3 13 Coaster S T Assembly GL Arm S T Assembly Guide Rail GL Gear S T and Torsion Spring GLS OLD wscecccxcorstsoer ert er aeta 16 3 14 L Motor Assembly Motor Shield FP 248 Flexible Board TG1 Spring Hook Spring Hook Fulcrum Base Spring Hook Driving Arm Worm Shaft Deceleration Gear and Motor Holder 17 4 CHECK AND ADJUSTMENT e Adjustment Position 18 e Adjustment Order Flowchart sess 18 4 1 FWD Position Checking and Adjustment 19 4 2 FWD Back Tension Checking and Adjustment 19 4 3 Reel Table S T Torque 20 4 4 Preparation for
25. ng attached to the TG7 arm To attach temporarily attach the SC spring to the pinch arm from the PE O chassis hole using a pair of Z A IE N TG3 frange TA ZON ZO E O o ANNVVYIAA tweezers 3 7 BRAKE SLIDER ASSEMBLY PINCH SLIDER ASSEMBLY AND CAM GEAR Remove th ae ge emove the Details diagram on removal and attachment of 3 1 Tape Fall Stopper Reel Base Removing method Move upwards in the direction of arrow Attaching method Attach in the order of 92 2 2 lt Reel base Reel us lt 1 a 3 3 Damper Assembly and Cassette Compartment Assembly 3 4 Reel Table S Reel Table T Assembly 3 5 Cassette Base Block Assemlby Gooseneck Gear Assembly and Relay Gear Brake slider and 3 6 TG1 Arm Assembly and TG1 Adjustment assembly f 33 e Plate Assembly Reel base Removing method Remove in the order of gt CO G Attaching method Attach in the order of 4 amp 3 e 2 e 1 Be sure to adjust the position and phase Detailed diagram on the adjusting the phase of each gear and parts to be greased Pinch slider assembly Apply the grease 1 5mm dia 1 I Reel shaft S Rotary encoder Grease the parts 1 5mm dia GL driving gear press arm es es Screw tightening torque tolerance 0 0098 N m 0 1 kg cm 3 8 PINCH AR
26. otor holder Bottom side 3 Attach the TG1 spring hook to the spring hook fulcrum base Rotate to the right slightly opened x s Hook the hook NE A gt ig M Attach at this position Does not disconnect 4 Attach the spring hook driving arm and spring hook fulcrum base Spring hook fulcrum base Spring hook driving arm Phase adjustment go L motor block assembly Bottom side 417 4 CHECK AND ADJUSTMENT When the parts of the tape path tape guide and reel table etc have been removed or parts have been replaced adjust the following parts and according to the flowchart below e ADJUSTMENT POSITION Ss Ss O TG3 4 amp e O Tape path entrance curl O S ree Q Tape path exit curl 7 TG1 spring hook FWD back tension jp TG7 Tape path slack curl TG1 Arm FWD position Reel table S torque Reel table T torque ADJUSTMENT ORDER Flowchart ADJUSTMENT is 4 1 FWD POSITION CHECKING AND ADJUSTMENT 4 2 FWD BACK TENSION CHECKING AND ADJUSTMENT 4 3 REEL TABLE S REEL TABLE T TORQUE CHECK ADJUSTMENT START 2 Refer to page 20 4 4 PREPARATION FOR TAPE PATH CHECKING AND ADJUSTMENT 4 5 TRACK CHECKING AND ADJUSTMENT 4 6 TG7 SLACK CHECKING AND ADJUSTMENT 4 7 CURL CHECKING AND ADJUSTMENT 4 8 CUE REV CHECK 4 9 RISING CHECK 18 4 1
27. ow the above instructions when cleaning the rotary drum assembly Rotary drum assembly c TWAS 5 3 PERIODIC CHECKS 5 2 CLEANING OF TAPE PATH SYSTEM 1 Clean the tape path systems TG1 to TG7 and capstan and the lower drum using a super fine applicator J 3 moistened with cleaning fluid Note Make sure that no oil or grease of the link mechanisms sticks to the super fine applicator J 3 Note Do not use a applicator moistened with alcohol to the other guide cleaning But clean the pinch roller using alcohol 2S7 Lae Oe p Maintenance Ll mm DIEA and Check Cleaning of tape pathsurface O O x Lt of the Cleaning and degaussing of oil rotary drum assembly Timingbelt gt Timing belt Capstan Bearing Loading motor Brake system FWD RVS torque measurement Note When overhauling refer to the checks above and replace parts Note Greasing Always use the specified grease If the viscosity differs various problems may occur Use SG 941 for all parts of the C mechanism Check the quantity of grease when installing the parts which is needed to apply the grease e FLOIL SG 941 Part No 7 662 001 39 B X39434 1 Make sure that no oil gets on the tape path surface a ee 8 oojoo O Cleaning O Confirmation DV MECHANICAL ADJUSTMENT MANUAL IV S C ti 98D0972 1 vorporauon
28. pread outwards BS X Chassis Details diagram on removal and attachment of HC Arm and HC Roller HC roller Claw_ Rotate slightly and S release the lock a cxx Tape fall stopper DNS SZ ND When attaching the tape fall stopper A make sure that the HC arm H is Note There should be no scratches outside the HC driving arm capstan or dirt on the HC roller motor side 3 2 DRUM ASSEMBLY AND DRUM BASE BLOCK ASSEMBLY Remove the 3 1 Tape Fall Stopper Removing method Remove in the order of Q 2 G Attaching method Attach in the order of O S OC Note Tighten the screws in the order of B and After attaching all the parts refer to the flowchart on page 18 and perform the adjustments from Starting adjustments 2 Holding the Drum Assembly Blast screw Do not rotate Insert your second finger between the two flexible boards and hold the top and bottom boards 3 Screw Screw Drum base block assembly Drum base block assembly tightening torque 2 4 0 0686 Nem 0 7 kgecm 2 s Note Do not touch the running face of the S7 df Positioning pins Blast screw Do not rotate K drum assembly Details diagram on attachment of Drum Assembly Positioning pins Pin at rear side m 50 K Long hole 2 jo b t Hole
29. pulley Screw tightening torque tolerance 0 0098 N m 0 1 kg cm 3 11 L MOTOR BLOCK ASSEMBLY AND FP 594 FLEXIBLE BOARD First remove all parts from 3 1 to 3 10 Removing method Remove in the order of OOO 6 mb 7 m 8 For details on how to remove each part refer to the detailed diagram ta Rotary encoder the solder L motor assembly S sensor holder Remove the solder FP 594 flexible a FP 248 flexible board a Connector pin 4P Attaching method Refer to the following diagram for attaching the FP 594 flexible board and attaching the parts in the order of 2 3 4 5 6 Cm 8 For attaching each part refer to each detailed diagram The contacting part should be facing down Pass through the _ hole and bend 7 sensor holder Detailed diagram on removal and attachment of Rotary Encoder Removing method Remove the solder and rotate the ro tary encoder in the direction The three parts of part A should be visible Attaching method Rotate the rotary encoder in the lt direction The three parts of part should be hidden And then solder Detailed diagram on removal and attachment of L Motor Block Assembly Solder the four parts of the flexible board COS 124 CS gt M d V a Refer to 3 14 for deta
30. reel table pua 3 3 DAMPER ASSEMBLY CASSETTE COMPARTMENT ASSEMBLY AND EXTENSION SPRING Remove the 3 1 Tape Fall Stopper Details diagram on removal of Cassette Compartment Assembly Removing method Remove in the order of O gt Q gt gt O gt Lock plate Cassette compartment arm S2 3 Short down the cassette compartment assembly Extension spring ___ up Extension spring compartment Cassette compartment arm T2 Damper assembly LAD 1 Pull the lock plate in the arrow direction E 2 Move up the cassette compartment assembly cd 3 While shorting down the cassette compartment cia assembly move the arms T2 and S2 inside and remove the left and right shafts Cassette compartment arm S1 Cassette EOM arm 1 P4 i D lt 7 Coa SN f Op IS v 4 Move forward until the part disconnects Attaching method Attach in the order of CG gt 2 3 4 Details diagram on attachment of Note Be careful not to deform the cassette compartment Damper Assembly 1 Insert the left and right shafts of the cassette compartment Note To attach hook rear hook first arms S1 and T1 into the chassis Twa hoake 2 Push down the cassette compartment assembly in the Damper assembly Ray Shafts direction of arrow LAGS 3 Insert the left and right shafts of the cassette compartment AEST
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