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Содержание 1700

Страница 1: ...I L AKAI TAPE REGI RDER oo AND to Molf Et l7 l7 ...

Страница 2: ...DrsAssEMrLy oF tApETRANSPoRT uNtTs ANDAMPL F ERS l v TRANSPORI MECHAN SL 6 IJ ADJUSTMENT OFTAPE TRANSPORT UNIT 9 II ADJUSTMENT oF al4pr FrER 10 rlf r A NTENANCE pRocEDURES It X Lrslor REPLACEI ENT pARTs 12 X ExpLoDED vtEw oF coMpoNENt p RTs 1 4 xI TROU3LESHOOTTNG CHART 21 n scHEfiATtC DTAGRAM 25 xI CoNNECTING DfAGRAl r 26 ...

Страница 3: ...s W i t h i n 4 a t l 0 0 0 c p s o V U l t o t a l 40db below rccordedlev lsignal at all Within 55db between each trach Betterthan 80 db at l 000cps 3 VU POWJ RINPU I LDVELS POWDR OUTPUT Microphone ir put lcvcl 55 db VR max jat l 000cps Phono and radio input levcl 40db VR max at l 000cps Pre Amplifier output 0 7V at 1 000 cps impedanc more than l00K ohms Main output 34dbm up in600ohmt More than 5...

Страница 4: ...tidg VTVM tosp aL r out put then read the frequency responseto adjusl a maximum devia RLqUI NCY RESPONSE OVI RALL I REqUENCY RESPONSE TOTAL HARMONIC DISTORTION FACTOR Provide the input terminal ol the ecord r with 1 000 ps nF urvF signals and ecord these signals on a recording tape at the zero level on the recorder sVU mete Then playback the siSnalsunder the no mal recording condit on to meas u c ...

Страница 5: ...annel tone control Speedchange switch Take up reel shaft Capstan shaft Pinch wheel Automatic stop lever Record Play switch Rewind FasFforward switch Record safety button Automatic stop switch Stereoheadphonejack VU h ter conv rsionswitch Track s lectorswitch Cycle conversionsw tch Hum adjust right Speakeroutput jack righr Speakeroutput jack llert Voltage sele tor switch Preamp output jack right Pr...

Страница 6: ... R L L I l l t v l v i i h l I N i l l l t l l l l t l l i l 13 L iJ thc S lltli S nrxrl l 1 r rir jt lli r 1 rro r l 1 lCK l l ll tl 1 12 l tr tlx I llUK C l R I ti lls ialrndiblby io c i ig d cif ritx fing s raL u i g r I liillips h adcd o 99 r t I 11l oosci h iS iltl S rrk d f or i t r ktr I ...

Страница 7: ... and cabinet B AMI LIFI liR Dr tr m he 7 Disconnect the PINS of speako marked a and d the PLUGS or motor marked and f and the PINS of head marked B and j 8 Loosenthe RETAINING SCRDWSof dcck frame mark dfrom alto id 9 SEPA AIC TAPE DtrCK M frOM AMPLIFIER A ...

Страница 8: ... PLArB 4Cf knob A to PLAY position and pinch roller presses against capstan to move tape at the rated sp ed At the sametime Idlel B moves between Motor tshitag ICI znd t e Tahe Ut Reel Spindle lD b rr ns lr it the motol rldtro to D so that th tape is moved and wound on the take up re I The Tak Up Reel Spindle Baseis made up of two plas tic rollers l and 2l with a clutch felt in betw n The ldler is...

Страница 9: ...b ptshestheLeuer lC up TheldlerlDl novesinto thc space betwecnthe up per part of the rcIating Motar dtue bushinglE and the InternedatePulle lF to hansmitthe high speed rotation of themotor throughtheinterm diate pulley to tr Srrrll Reet Spindte lC At thesahe time BraleRoll ls H and I comeofl there lspindleb tree thetake atleelspindtelJl ther byrewindingthe tape into rhe supply reelar a fast See F ...

Страница 10: ...LEVER bi and c as llushatedin dotted l nc then the RECORD PLAYBACK CHANGD SWITCH SWl turns to ecording position If the LIVER c do s not turn Then must adjust the LI VIR propc ly SWI docs not operatc prope ly so may occu the abnormal oscillation and cl to proper positionby loos ngthc SCREW lcll r il z I t z _ _ r l a1 1 l _u 4 _ JWt ...

Страница 11: ...and gently pull the cnd of tapc upwarcl using a spring scale Adjust the conical sp ing so that thc amount of tension at this part will bc kept between 400 to 500 grams Anoth r felt clutch matoial s attached to the takc up drive wheel It is to pfovide proper slipping opc ration du ing record or play modc The procedu e for checkins friction of this part sameasthe foregoing and between 120and 200 gra...

Страница 12: ...rd play head as showD r the lig 14 Check Cl6 included AKl3 and record play head if the recording bias voltage mcasu ed does not meet to th abovc mentioned specificatioD L1 0 s c Fig 13 li I j PllLEFT Hi mn c lEIcHr I ltlri i F g 14 3 ADJUSTMENT OFERASING BIASVOLTACE A prope rasingbias voltagc is 65 volts 5 volts A C and is adjusted by Cl4 To neasure erasingbias voltage connect a V V M to the erase...

Страница 13: ...earing 2 drops Take up and Supply Reel Shaft Bearing 2 drops Also apply a liberal frlm oflight machine greaseto each roller surfaceof all leversand cams CAUTION DO NOT OVER LUBRICATE WIPE OFF EXCESS OIL BY A COTTON SWAB SOAKED IN ALCOHOL O THERWISE THE OVER FLOWED LUBRICANT MAY BE SCATTERI D DURING OPERATION THE RUBBER COMPONENT PARTS WILL BE DETERIORATED FLYWHEEL MOTOR Fig 17 2 CLEANING TAPE HEAD...

Страница 14: ...l6 3 mn eround Lug 007a Instanr Stop Lever 007b Spring In ant Stop Lever 07c Stopper ln ant Stop Lever 007d ScrewBind 3x5 007e Hold r B Innant Stop Levc 007f Screw Flar Mould 4xB O08a RecordingSafety Bu on 008b Cah Sroppe 008 Fibe C n Sroppe 000d r sulator Plate Can Stopptr 008e screw Fhr Mould 4x8 009a Pinch Wheel 009b Metal Cap tinch Wheel 009d Lev r Pinch Whccl 009e Shaft C Pinch Wh l 009f 4mm ...

Страница 15: ...a Chasn A Spealie 008b Chash B Speale 009a Speaker5x 7 i 009b Sct r Flat Mould 4x12 A2 l7 AKl3 C R CompoundBodt AKl4 C R Compoud Body AitPUFttR Ampli6er Knob Tone Ampliner Knob B Volume nsl changingVoltage Sc ew rvithour Head 4x6 s S iv ivithout Head 4x ll 5 Scrcw Semi Cubi 4xo 17 C2 c3 o4 c5 c6 c7 ca c9 ct0 cll ct2 cl4 cl6 cl8 C20ab c2l c22 c23 c24 Mica Condense 10U 500Wv Ceranic Condenser 0 02P ...

Страница 16: ...L2 Lug Pl t TB2 12L1Lug lare TB3 4lL2 l ug Platt TB1 311 1Lus Platc TB3 2Ll Lus l hrr vr uur l lbe 12 T7 va uun Tube l2 T7 17 sl Vacuum Trbc So k t 9P moutr lype VS2 vr uun Tube So kcr 9P nnrnld rYP P 6 No Nonren Lrtufe l7 rs3 V uun Iube Socket 9P Drulrl typr VS4 Vacuun Tubc So kd 9P n orkl yPc l7 Zl lran formcr Angle Left 42 lransforner Angle Rishi z3 Namc Plate Cycle Changc 2 1 So krt changeVolt...

Страница 17: ... S W 1 7 J 1 7 J I76 008a 1 7 Z 7 17Z t7 z 17T 1 7 60 1 0 1 7A 5 r 7 J l 7 S W I76 0c8ll I 7 6 n l 0 1 7Z 1 7 Z 1 7 2 1 4 1 7Z 1 a i 7 6 0 t 0 1 7 J t 7 2 I7 Sy 176008b 1 1 ZI a I 7 V S 7 V S Amplifier II 1 7 60 1 0 176_009a 7 S W 1 7 J r 1 7 1 7 r7 S t7 y26 t 7 6 0 1 0 ...

Страница 18: ... e fF i 1l d I cr a t r o 1 b ...

Страница 19: ...176 O0l Cqse I r76 006 Cose II Case llt 176007 176 002a ...

Страница 20: ... rr ooo 4 1120A4b 172 OO5a 172 OO4d 172 005b 172 AA4i 72 0a4J 172 OO4e 112 172 004f 1 2 AA5d 172 OA4h 172 OO5e 172 O05f 172 AO4c 172 O05i 172 OO5k 172 OA5l 172 OObn 172 OA5 172 OO4k 172 OO4l 172 OO4n fu ...

Страница 21: ...N T I E o 5F N N I l F l N rlE FqR Fq F l N l l R t 8 m 8 l N 19 ...

Страница 22: ...s N 99 R N o O _ _ J l H a g I N 0s 0 a i r L iso 3e tU 0 o e N I e l_ C N I A N I N N l fttitt itt_ ...

Страница 23: ...0 c I 0 o0 7 f F ...

Страница 24: ...l E P N N t rqr 20 ...

Страница 25: ...a e s d a R c E a t c g d I 3 a 3 3 e E R s I E e 3 p 3 c I P E 9 3 E 4 5 e a P c I 3 E 2 L o o Lrl 6 o E G o l e E z o o E att LII o f 0 E o o A o q E l T o q J 0 4 I e CE o CJ ...

Страница 26: ...3 3F I I 6 s I a 5 E E E s E A P E I j 6 E 9 A 6 6 e t P j g g E E f 3 3 I E 6 E o B t s 9 E e a 6 a s 6 2 E 5 E ...

Страница 27: ...H a g E 6 E t F r l g 6 B I 5 E e 9 z g 3 c E g E I E i 9 E 9uE EE t E e 5 6 g e E E 2 E E o I 0 I c o o t I I o 4 ID o l g EC 9 E a a o co 5 o 0 o c N ...

Страница 28: ...5 5 E l E E 5 E E Bg 3c re 6 g q 6 E E E g E 5 E I 22_ ...

Страница 29: ... e 3 E P a fr 3 6 t 6 i s E a E z b F E I 2 B a n 4 B 6 I s I E g E E 6 e z e e I E e 3 g E E t 3 9 E I t i 3 2 a 9 E 2 6 3 e 3 I B e 9 2 3 l i t e CE F CL e ...

Страница 30: ...4 d E E z E d I I 3 3 3 I E e 6 2 3 e 3 E 3 E d g i i E E I 3a 6 9 e a 3 z P a E E a E a 6 a E E E g5 i I ge 8E 35 96 3 q 5F e6 e E tr g E I 3 I 3 a a g g 3 z 9 6 ...

Страница 31: ...E E 9 ES Se E E 6 3 E E a 3 E 3 9 b 3E E 3 t 5 E e E9 I c E 3 F t I 6 3g E E it 9 F i 6 3 6 z a 4 9 9 9 E 9 i E E e a F 93 CE oe J ...

Страница 32: ...d 9 9 e i 96 3 3 E e 3 2 E 9 I a E t E E I E 9 g a 3 E I s a g 9 3 5 E E P e E t 6 P g E d 9 TJ 3 a 2 4 ...

Страница 33: ...iCHEMATIC DIAGRAM V a 56ll 9 V3b 6BM8 02 Rro250K I lifExr sPKR I T I I r B F tF l C2o 2 C2t0 5 300vAc c6 02 F l t T5 9t Rro twmErmt qwo f F Fl i NO 66505 ...

Страница 34: ...XII SCHEMATIC SWr Vial2AT7 Vru l2AT7 I _ HPLAYI tf l___ 1 R aI FREAI P louTPUT lRFc opEl B M E J rrrcr Rrs roK NRnl ...

Страница 35: ... s N N 6ag r x D v Lrl z o L l l E I F rl u t F I r C E f i u r I L d o t I l l t T i t O f l J a 1fi l o a E E s o z J lrl z z o C x da L L h j __ __ __ lL i E H iefr oi ...

Страница 36: ...PdceY 900 00 2 50 rir t it AKAI ELECTRIC LTD AKAT TRADING CO LTD 12 2ah G Hts rht KojiF Ohta tu Tokyo Jq6 ...

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