Akai AP-206 Скачать руководство пользователя страница 5 | Manualshive

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Содержание AP-206

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Страница 2: ...6 AKAI DIRECT DRIVE TURNTABLE AND AI AI DIRECT DRIVE QUARTZ LOCK TURNTABLE MODEL MODEL AP 206 AP 306 ALSO APPLICABLE TO BLACK MODEL SECTION 1 SERVICE MANUAL 3 SECTION 2 PARTS LIST 31 SECTION 3 SCHEMATIC DIAGRAM 48 ...

Страница 3: ...2 ...

Страница 4: ... OPERATION 12 1 GENERAL 12 2 SERVO CIRCUIT 12 3 STROBE LIGHT CIRCUIT 13 VII MECHANICAL ADJUSTMENT 14 1 STYLUS PRESSURE ADJUSTMENT 14 2 OVER HANG ADJUSTMENT 15 3 SLEEVE POSITION ADJUSTMENT 16 4 PU PLATE ADJUSTMENT 16 5 LIFTER HEIGHT ADJUSTMENT 17 6 AUTOMATIC RETURN POSITION ADJUSTMENT 17 VIII ELECTRICAL ADJUSTMENT 18 1 DIRECT DRIVE P C BOARD ADJUSTMENT 18 2 PLL P C BOARD ADJUSTMENT 19 N CLASSIFICAT...

Страница 5: ... 2 SHELL WEIGHT 7 8 grams CARTRIDGE AP 206C only Model AP 206 does not include cartridge Induced magnet type CARTRIDGE WEIGHT 6 4 grams FREQUENCY RESPONSE 25 Hz to 30 000 Hz OUTPUT VOLTAGE 5 mV CHANNEL SEPARATION More than 23 dB OPTIMAL STYLUS PRESSURE 2 grams DYNAMIC COMPLIANCE 8 x 10 6 cm dyn vertical 8 x 10 6 cm dyn horizontal POWER REQUIREMENTS 120V 60 Hz for U S A and Canada 220V 50 Hz for Eu...

Страница 6: ...ERROR ANGLE 2 SHELL WEIGHT 7 8 grams CARTRIDGE AP 306C only Model AP 306 does not include cartridge Induced magnet type CARTRIDGE WEIGHT 6 4 grams FREQUENCY RESPONSE 25 Hz to 30 000 Hz OUTPUT VOLTAGE 5 mV CHANNEL SEPARATION More than 23 dB OPTIMAL STYLUS PRESSURE 2 grams DYNAMIC COMPLIANCE 8 x 10 6 cm dyn vertical 8 x 10 6 cm dyn horizontal POWER REQUIREMENTS 120V 60 Hz for U S A and Canada 220V 5...

Страница 7: ...essitating dismantling please dismantle in the order shown in the photographs Reassemble in reverse order 1 CARTRIDGE 2 3 4 BOTTOM COVER I g SCREWS 5 NOTE Photos of dismantling are those of AP 306 but the order applies to AP 306C and AP 206jC also r 6 ...

Страница 8: ...ING 10 ANTI SKATING ADJUSTER 11 BUILT INSTROBE LIGHT 12 45 33 1 3 rpm Speed Selector 33 45 13 PITCH CONTROL 45 rpm 14 PITCH CONTROL 33 1 3 rpm 15 TURNTABLE PLATTER 16 STROBE MARKINGS 17 RUBBER MAT 18 CARTRIDGE SHELL 19 CARTRIDGE SHELL FINGER LEVER 20 LOCKING NUT 21 START CUT LEVER 22 TONE ARM lIFTER LEVER Y to Lower to Lift NOTE AP 206 is not equipped with a cartridge 7 ...

Страница 9: ... SWITCH 8 QUARTZ LOCK SWITCH 9 PITCH CONTROL 10 45 rpm ADAPTER HOLDER 11 HINGE 12 MAIN WEIGHT 13 STYLUS PRESSURE SCALE RING 14 ANTI SKATING ADJUSTER 15 TONE ARM LlFTER 16 TONE ARM REST 17 TONE ARM 18 TONE ARM LlFTER LEVER 19 LOCKING NUT 20 START CUT LEVER 21 CARTRIDGE SHELL FINGER LEVER 22 CARTRIDGE SHELL NOTE AP 306 is ot equipped with a cartridge r 8 ...

Страница 10: ...TOR RELAY P C BOARD IAP 26521 PU PLATE IAI PU PLATEIBI SEESAW LEVER i1 s PITCH CON RO_ 45rpm PITCH CONT ROL 33rpm TONE ARM LlFTER LEVER c 1f 7 CARTRIDGE SHELL Fig 3 AP 206jC Top View with Dust Cover Removed MICRO SWITCH I SW901 1 POWER SUPPLY P C BOARDIAP 26411 POWER TRANS T901 1 AUTO LEVER 1 LlFTER SPRING O H D D P C BOARD IAP 26421 H MOTOR BLOCK DDM 331 NEON LAMP P C BOARD IAP 26531 Fig 4 AP 206...

Страница 11: ...ER 7 u __ _ TONE ARM REST AUTO CLUTCH B 0 _ _ r_ sw T h C START CUT LEVER PLL P C BOARD IAP 3601 NEON LANP P C BOARD I AP 2643 Fig 5 AP 306 C Top View with Dust Cover Removed PU PLATE IB POWER TRANSIT901 RELAY P C BOARD IAP 2652 PU PLATE lA SEESAW LEVER AUTO LEVER LiFTER SPRING _f t hi fi D D P C BOARD IAP 2642 _ o J 1I MOTOR BLOCKIDDM 33 Fig 6 AP 306 C Bottom View with Bottom Case Removed 10 ...

Страница 12: ...v BLOCK DIAGRAM 1 MODEL AP 206 C 8 45 33 1 3 ISPEED SELECTOR I Fig 7 2 MODEL AP 306 C STR08E CIRCUIT o _ v op 8 L Fig 8 11 ...

Страница 13: ...ICICD the output at ICl CD is passed EXCLUSIVE OR GATE ANTI COINCIDENCE D x A X A 8 X L L L L H H H L H H H L X A B A B A878 I x L H H L X A Fig 9 through the phase correction circuit consisting of C9 through Cl1 and Rl8 through R20 to TR1 TRI makes current flow through the Hall Ele ments HI and H2 which are installed in position under the rotor magnet of the motor The voltage developed across eac...

Страница 14: ...succeeding operation is similar to the one when the Quartz Lock Switch is off 0 3 STROBE LIGHT CIRCUIT Refer to the PLL Circuit schematic diagram of the AP 306 C The 4 4236S MHz signal generated by the crystal oscillator is delivered through TP 1 to IC2 The Flip Flop in IC2 halves the oscillation frequency to 2 211S4 MHz The halved signal is fed from IC2 CD to IC3 IC3 counts the frequency down to ...

Страница 15: ...ting Ad juster is set to zero 2 Bi areJul not to damage the stylus 7 Without moving the main weight turn the stylus pressure scale ring only to match the 0 mark with the marker on the weight shaft See Fig 10 8 Turn the main weight counterc1ockwise as viewed from the front with the stylus pressure scale ring until the marker on the weight shaft corresponds to the desired stylus pressure on the scal...

Страница 16: ...ustment may be necessary when the cartridge is replaced For your convenience the rubber turntable mat has indicator groove at the center for easy overhang adjustment Bring the tone arm to the center of the turntable Adjust the car tridge position in the cartridge shall so that the stylus position is even with the outside groove ring The cartridge position is adjustable by resetting the screws on t...

Страница 17: ... Set the sleeve located between the PU Plate and the chassis to approximately 45 position as shown in Fig 13 Fig 13 4 PU PLATE ADJUSTMENT Refer to Fig 12 1 Put the tone arm in the stop state 2 Loosen the screws b and c 3 Adjust the PU plate A so that it may actuate the micro switch to turn on or off properly 4 Tighten the screws b and c 5 Temporarily set the screw a in a half screwed position 16 ...

Страница 18: ...the tip of the lifter spring If not apply it to prevent mechanical noise 5 5 to 6 Ocm M USIC etc LAST GROOVE Fig 15 6 AUTOMATIC RETURN POSITION ADJUSTMENT Refer to Fig 12 and Fig 15 1 Adjust the screw d see Fig 12 until the tone arm returns automatically at a desired point NOTE The automatic return range is around 5 5 to 6 0 cm from the center of a 30 cm disk see Fig 15 Turning the screw clockwise...

Страница 19: ...r ON move the tone arm e Adjust VR4 until the output at pin 6 IS OV 10 mV for the AP 206 C and 80 1O mV for AP 306 C f Power off and open the circuit of pins 9 and 10 g Connect a DC voltmeter digital voltmeter between pins 7 and 8 ground h Short the circuit of pins 4 and 5 i Power ON move the tone arm j Adjust the VR5 until the output at pin 7 is OV 10 mV for AP 206 C and 80 mV 10 mV for AP 306 C ...

Страница 20: ...artz Lock button to the OFF position b Set the Pitch control to the center c Move the tone arm to rotate the motor d For the AP 206 C adjust VR3 until the Strobe markings on the first line for 50 Hz power or the second line for 60 Hz power is seen stand ing still For the AP 306 C also adjust VR3 until the single Strobe markings is seen standing still e In turn reset the Speed selector to the 45 po...

Страница 21: ...rm to turn power on e Adjust VRl until the width of the upward pulse above 2 to 4V is 22 2 msec when the Strobe markings is seen standing still as Fig 21 oscilloscope DC Mode CAUTION The upward pulse around 7 5V shown above may change to downward pulse OV below 2 to 4V with VRl turned as Fig 22 Be careful not to measure the width of the downward pulse It is checked in a simple way that the upward ...

Страница 22: ...ATION NUMBER P C Board Title P C Board Number Utilizing Model Power Supply P C Board AP 2641 AP iO g c AP 306 C D D P C Board AP 2642 AP 206 C AP 306 C Neon Lamp P C Board AP 2643 AP 206 C AP 306 C Relay P C Board AP 2652 AP 206 C AP 306 C PLL P C Board AP 3601 AP 306 C 21 ...

Страница 23: ...3V O 3VI 0 RI9561 s j 7 1 7 lV101 Nr e 01 1 4 RI7 lOOK 2 2125IM CO 0 01 3 rv1N gI N t 1 t C b71v 0 o e l 7 1v K R40470 R31K CB 0 15 CII w r n RI2 8 2K Q 47 25 M o C 7 C 1I 9 C9 IIRI2KB R2 330K r T dlijm f v RI4 2 2K et _ 4 7 25 RI 270 J i RI6 58K 02 Cl 100 10 II w IS1588 o fr o _ R o T tw 0 811 R3447K R3547K 9 6V wr R36 IK R371K O IV wr w C160 047 V T R420K8 T _ fiA E V T R6 00K8 R I R39470 i s R2...

Страница 24: ... NE901 L _ W H T l__ SW902 45 33 1 3 rW H T I BL U o RIO 3 3K CIOO I o le 1 TC4069BP IC2 TC4013BP IC3 TC50eop IC4 TC4040BP res TC50BIP res TC40028P F4 f O V 02 552770 UtT C IA 2 50V CSA AAL IOOmA 125V UK CEE CD mAl RI 8 2K TRI 25C2229 0 o CD 0 I I I I IVLT VLT J T9QI 23 ...

Страница 25: ...LE FONCnoN E ENT EST CRlTIQLI POUR LA SECUftlTE OUE F oUl DES PIECES RECOJ MAI JEES P uI LE FASRICA n 4 POWER Sq PPLY P C BOARD AP 2641 AAL CSA ORG 0 w BRN e 0 0 0 Cl T901 RED R2 IOK r 0 BRN i NE901 0 q r r HT 0 0 0 0 HT T I I CSA I AAL i L _ o 0 NOTE MARK 0 INDICATES MODEL AP 206 C ONLY WoloR G OIN XCIlTES s FETY CRITlCIIL COII f QNENTS FOR CONTlNUEO 5I1 fETY REPlACE SAFETY CRITICAL COMPONENTS ON...

Страница 26: ...TY CRITICAL CQ I PO ENTS FOR CONTI 1JEO SAFrTY REPt CE SAFETY CRITICAL COMi OHENTS ONLY WITJol MA ruFACTUR R S RECO MENOED PA rrS AVERnSSElo EIIT e IL lNOlQU LES COto OSANTS CRITIQUES DE SURETE POUf MAlNTENIR LE DEG DE 5ECU lITE DE L AFPARtIL he ROf LACER U S CONPO ANTS OOtH LE FOUCTlON EM HT EST CRITIQUE POUR LA SECURlTE QUE PAR DES PIECES RECOMhtMDEES AA LE FABR1CA iT 25 ...

Страница 27: ...MEMO 26 ...

Страница 28: ...MEMO 27 ...

Страница 29: ...MEMO 28 ...

Страница 30: ...MEMO 29 ...

Страница 31: ...MEMO 1 30 ...

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