i:i H MECHANISM OPERATION MANUAL

Transcription

1 i: H MECHANSM OPERATON MANUAL S

2 1-16 Contents 1. Main parts layout diagram Tape path Cassette N --_ Loading --_ Stop Stop --_ Playback Stop --_ Power OFF Playback --_ CUE Playback --_ REV Stop --_ Fast forward (FF) Stop --_ Rewind (REW) Stop --_ Unloading --_ Eject... 27

3 1. Main parts layout diagram Pinch roller FE head End sensor-- Top sensor T/S LED -_ Cassette N switch _ / S reel T S reel sensor (PH401) Rotary encoder ot.._.q....,,_ L... (cam gea r> _ [ _ "_" T reel \ _ Cam motor ', T reel sensor (PH402) Fig

4 2. Tape path TG4 TG5 ACE head Capstan motor S reel T/S LED T reel Fig

5 3. Cassette N -- Loading --- Stop Cassette loading. Right claw is released. Cassette N switch Cassette N lever Left claw is released. 5 Cassottc hol_e, s,_cs,nthe_,rcc, ono_a_owma_k 0.r Left swings and cassette N lever is released form cassette N switch. (see Page 7-8) Left Cassette N levi Left claw Right claw FL driving Cam motor is [ 1 Cassette holder [ Worm wheel is [ Right Gear slide plate [ Cam is [ Cassette Relay FL driving is [ Fig.3-1 i Gear slide plate slides. Relay rotates to swing right/left. Cassette holder is retracted to set cassette in DOWN position. t Cassette N switch is pressed by cassette N lever. (Continues to loading) -_

6 (From cassette compartment operation) Cammotor is [ Wormwheel is FL driving is Cassette inoperation, i (see Pages 5, 6) TG loading. [ Cam is [ Soft brake (T) i is released form T reel. [ Main slider slides. Loading (S) is Shuttle(S) loading. loading. Shuttle(T) (T) is [ to T reel from 1 [ main brake (T).[ RKB block is clutched (ON) by RKB. TG8 loading. commu'nication is t i TG8 is ] : 22 Elevator is L 1 RKB block is [ rotatedthrough timingbelt. Pendulum engages idler (S) and is S reel is tape slack is / removed.! Drum is Dmm by MCcleaning roller. Pinch roller ] moves down. is rotated in Capstan reverse. motor rotated through RKBblockis timing belt. ] Brake is given to S reel from tension regulator band. ixedisrelease operated. Main brake (T) is released from T reel. Soft brake (S) is released from S reel. f! ["Capstan [brakeis [Pendulum compulsion released isoperated. [fromcapstan [ Pendulum'_ is free ont reel \ side only. Brake is given tot reel from reverse brake and released immediately. Pinch roller contacts capstan motor. l Pendulum is l released from idler (S). apstan motor stops.

7 Pinch roller moves Capstan shaft _ Pinch moves in the direction of down in the direction / arrow mark_ and contacts capstan ofarrowmarkt_..._7/_'_..._ L shaft. / H _C_, _ "_ 9!,_7_--_ Capstan shaft Shuttle (T) Pendulum Capstan motor (M902) compulsion (Capstan shaft) TG8 Pinch roller MC roller MC Pinch t_,/l "_ /1 h'_'_ "-pinch r ller "" _r--_ll,jill _'_,_11 An opening (_ is un n given between Elevator,-----F.L_._'\" f' _,./,/,_'\ "_ '-_ pinch rollor and _" _ \Press ear _Y_/_ \Press pinch block by " g ""_ /... _- press cam. O Press.gea! andele.vato[ // _ Pinch'rolleris pressed in the direction are ro_a_eei_tne direction or // of arrow mark i} by the tension of spring. arrow marku.,/ - Pinch block moves in the direction of arrow mark _)through press cam. Drum (M901) TG1 Shuttle (S) Tension regulator band driving communication RVS brake Soft brake (T) Fig,3-2 Main brake (T) Fixed release S reel T reel Cam motor Main slider moves in the direction of arrow mark O, and RKB pushed up by step (_)moves in the direction of arrow mark _). Soft brake (S) dler (S) Pendulum Neutrality? _ Main slider Capstan motor (M902) Capstan brake Loading (T) Drum (M901) _r!, brock communication Loading (S) Pendulum g,timing belt FL driving Main slider Timing belt Pendulum RKB brock!_ RKB moves in the direction of arrow mark e, then RKB block moves in the direction of arrow mark _) to change the mesh of pendulum. Timing belt Cam Cam / Worm wheel dler (S) S reel Fixed release Fig.3-3 Fig J4

8 4. Stop --* Playback Press PLAY button. [,: Drum M901) J (Capstanshaft) Capstan motor (M902), 1 D'_m'sr t_'_n_" l Capstan motor is.._...j Pinch roller RKB block is rotated through timing belt (clutch ON). Pendulum compulsion Pendulum is meshed with idler (T) and T reel is f RKB brock T reel dler (T) Capstan motor (M_02) Tensionwheel Timing belt RKB brock T re/_el / dler (T) Pendulum dler (S) Fig

9 5. Stop --+Power OFF ' Press power button. '_ f power is ON, it turns OFF automatically about 5 minutes later. Capstan shaft Cammotor is } [ Wormwheelis rotated[ Pinch block is operated and pinch roller moves in the direction of arrow mark O until it is released from capstan shaft.,,_ \ j Pinch block Softbrake(T) is operated, Pinch-block [ movesin the directionof arrowmark and pinch miler is releasedfrom capstanshaft. [ Cam is [ communication is + [ TG8 is rotated, ] Press isr 'ate_, i Elevator is 1 _ai_s,i_er_._o_- ainbrake RKOp is s ' en u,um e,,e _... is operated. compulsion [ is operated, Brakeis tos/"reel. given [ RKBblock movesdown. ] t [ RKB block becomesfree. Neutrality is operated. Pendulumis releasedfrom T reel. ] Fixed operated, release is + i Tension regulatorband iensionbecomesweakto make S reelbrake weak. Pinch brock pin J_./ Press cam / O Press is rotated in the direction of arrow mark O and pinch block pin pushed to press cam is released from cam while pinch block moves in the direction of arrow mark!_. Fig. 5-2 Capstan motor (M902) Elevator Drum!M901) (Capsta_n shaft) Pinch roller/., Pinch Capstan motor _ Capstan brake Drum (M901) R Tension regulator band commt Main slider Cam Fixed release S reel Main brake (S) RK3brock Main brake (T) Pendulum compulsion Neutrality _'ig.s-1 Cam motor Worm wheel dler (T) Pendulum RKB Fixed release J J8

10 6. Playback CUE Drum(M901) Capstan motor (M902) (Capstan shaft) Pinch roller Drum is rotating. Capstan motor is rotated at high speed.,1 RKB block is rotated through timing belt. (clutch ON) RKBbrock Pendulum and idler! (T) are rotated at high speed. T reel is rotated at high speed. _ Difference from (Stop -" Playback) (!) Capstan motor is rotating at high speed. (g) Pendulum is meshed with i / LPinch roller is rotated at high speed. 1 Pendulum T reel dler (S) dler (T) Capstan motor idler (T) from the beginning. (Mi02) Tension / wheel Timing belt RKB brock T reel dler (T) Pendulum Fig. 6-1

11 Jll J12 7. Playback ---,REW Cam motor is [ Drum is rotating. Drum Pendulum compulsion Capstan motor (M902) (Capstan shaft) roller [ Worm wheel is ] Elevator [ Cam is ] TG1 TG8 Brake is given to T reel by [ reverse brake. Main slider slides. communication l Fixed release is operated. TG1 tension ) becomes weak. Brake is given to S reel by soft brake (S). Pendulum Brake is given to compulsion [ capstan motor by is operated. [ capstan brake. Pendulum is free on S reel only. Capstan motor is rotated in reverse at high speed. S winding is operated to slightly rotate S reel. Fixed S reel Pendulum T reel Soft brake (S) dler (S) RKB brock RVS brake -- Cam motor S winding\ S reel RKB block is rotated through timing belt. (clutch ON) "i Pendulum is meshed with idler (S) and Capstan motor (M902) Capstan brake / Tension wheel Main slider _r _gbelt Main sliderj S reel is rotated in reverse at high speed. Pinch rotated roller in is reverse at high speed. RKB When main slider moves in the direction of arrow mark, S winding pressed by main slider cam moves inthe direction of arrow mark _ and S reel is rotated a little in the direction of arrow mark. Cam motor Pendulum dler g_ear(s) S reel release Fig. 7-1 Fig. 7-2

12 8. Stop --, Fast foward (FF) _ When this operation is mode before cassette tape is loaded for playback, CUE mode is started to read tape signal and then tape is set in fast forward mode. Cam motor is [ Worm wheel is Drumis rotating. ] Cam is Brake is given to T reel by soft brake (T). communication is TG8 is Fixed release is operated to make TG1 tension weak. Main slider slides. [ Brake is given Brake is given [ to capstan motor to S reel by ] by capstan main brake (S).] brake. Brakeis given to T reel by [ main brake if).] Neutrality ] is operated. r RKB block is set in clutch OFF by RKB. Press is Pinch roller is released from capstan shaft. v,f Pendulum compulsion is operated. r e everl slides. in the center between Pendulum is locked ) S reel andt reel. Capstan brake is released from capstan motor. Main brake (S) is released from S reel. Main brake (T) isreleased form T reel. Neutrality is ] operated again. Pendulum compulsion is operated. Capstan motor is rotatedat [ high speed. RKB block is rotated Pendulum is freeon S reel or T reel. ) through timing belt. Pendulum is meshed with idler (T) and T reel is rotated at high speed.

13 J15 J16 Pendulum compulsion Drum (M901) \ Capstan motor (M902) TG8 (Capstan shaft) Pinch roller Main brake (S) Pinch block Press _mmunication Neutrality Main brake (T) brake (T) Fixed release S Pendulum T reel RKB brock dler (T) Cam motor Capstan brake Drum (M901) Capstan motor (M902) Tension wheel communication Main slider Cam Timing belt RKB brock Main brake (S) Cam motor Worm wheel T reel Trigger lever Pendulum dler ( RKB Fixed release Fig. 8-1

14 9. Stop -_ Rewind (REW) _ When this operation is mode l before cassette tape is loaded for playback, REV mode is started to read tape signal and then tape is set in rewind mode. Cammotor is Worm wheel is 1 Cam is Drum is rotating.! communication T reelby soft is brake (T). 11 TG8 is Fixed release is operated to make TG1 tension weak. Brake is given to capstan motor by capstan brake. Main slider slides. Brake is given to S reel by main brake (S). Brake is given to T reel by main brake (T). Neutrality is operated. _f RKB block is set in clutch OFF by RKB alt0. Press is Pinch roller is released from capstan shaft. Capstan brake is [ released from [ capstan motor. [,f Main brake (S) is released from S reel. Main brake (T) [ 1 is released form T reel. Trigger lever slides. r Neutrality is operated again. compulsion ann Pendulum [ is operated. Pendulum is locked \ in the center between S reel and T reel. compulsion ann Pendulum is operated. [ ) Capstan Motor is rotated in reverse at high speed. q q Pendulum S reel or T reel. is free on ) RKB block is rotated through timing belt. Pendulum is meshed with idler (S) and Sreverse reel isat rotated high speed. in q

15 Pendulum compulsion Drum (M901) \ Capstan motor (M902) (Capstan shaft) TG8 Pinch roller Main brake (S) Pinch block Press )mmunication LJtrality Main brake (T) Fixed release. Soft brake (T) S reel RKB brock T reel dler (S) Pendulum Cam motor Capstan motor (M902) Capstan brake Tension wheel Drum (M901) communication slider Timing belt Cam, Trigger lever RKB brock Main brake (S) Cam motor Worm wheel Pendulum RKB Fixed release dler (T) dler _ear (S) S reel Fig. 9-1

16 !l'!_i p, 10. Stop -* Unloading Eject am motor is [ Drum is rotating. wormwheelis [ am ea s otat Brake is given to capstan motor by capstanbrake. operated to rotate S winding reel a little. is [ Main slider slides. [ Brake is given[ Fiaxed to S reel by [ release soft brake (S).! is operated. TG1 [ unloading. Tension regulator band releases the brake from S reel. Brake is given to T reel by main brake (T). Loading (T) is 1, Loading (S) is 3 Shuttle (S) unloading. k Shuttle (T) unloading. cleaning by MC rumroller. Pendulum compulsion _soperated, [Reverse brake [ gives ibrake to T reel Pendulum \ / andis released is free on Sreel [immediately. only. / [ communication is [ r [Press is Pinch roller is capstan motor. released from [Elevator is 1 Pinch roller moves up. C_pa_e7mOtOris. RKB block is rotated through timing belt. (clutch ON) Pendulum is meshed with idler (S) and ( Tape is wound ) into cassette.,l [Capstan motor stops. Main brake (T) ]is released from T reel. RKB block is set in clutch OFF by RKB. is given to [ T reelby [ FL driving[ / Brakeis [ (T). [ soft brake[ oc;ratiuoenout 1 (see Page 31, 32)

17 Shuttle (S) Pendulum compulsion Capstan motor (M902) MC (Capstan shaft) Shuttle (T) TG8 Pinch roller 0 Main slider moves in the direction of arrow mark 0 and RKB is pushed up in the direction of arrow mark by step@. Main slider TG1 Elevator Pinch Press,O RKB RKB brock Tension regulator band Fixed releas, S reel Pendulum T reel Soft brake (S) dler (S) RKB brock communication FL driving RVS brake Soft brake (T) Main brake (T) Cam motor Pendulum When RKB moves inthe direction of Pendulum RKB brock j arrow mark 0, RKB block moves inthe,,r i_ /,l._) the mesh of pendulum.! [1_---" / _ direction of arrow mark _ to change o=. /! ', i Fig belt Capstan motor Shuttle (T) (M902) Capstan brake Drum (M901) \ Shuttle (S) communication FL driving C i Main slider Pinch roller moves up in the direction of arrow mark O. Capstan shaft ear O Pinch moves in the direction of arrow mark _) and pinch roller is released from capstan shaft. shaft Pinch roller Pinch Press Cam -_ J Cam motor / Worm wheel RKB dler (S) \ S reel Fixed release Elevator l[]) Press and elevator are rotated in the direction of arrow mark O. Pinch block pushed by press cam moves in the direction of arrow mark O. Fig Fig. 10-3

18 (From unloading) Gear slidc plate slidcs. ] right/left elay, is rotated to swing i Door is opened by door lever. form cassette 1N switch. [ Cassette holder slides.,1 Cassette is ejected. Left Door FL driving Cassette N switch is pressed by Cassette N lever cassette N lever. l Cam motor stops, Cassette holder Right Gear slide plate Cassette Relay Fig. 10-4