Pioneer MA-62 KL Скачать руководство пользователя страница 1 | Manualshive

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Содержание MA-62 KL

Страница 1: ... ART 084 0 SERVICE MANUAL MIXING AMPLIFIER MFEiE KL t 4to2Y 1 1D ProNEeR ...

Страница 2: ...N 9 7 LEVEL DIAGRAM 11 S DISASSEMBLY 12 9 PARTS AND P C BOARD LOCATION 14 10 EXPLODED VIEW AND PARTS LIST 16 11 SCHEMATIC DIAGRAMS P C BOARD PATTERNS AND PARTS LISTT 11 1 Circuit Connection Diagram and Miscellaneous Parts 19 11 2 Switch Circuit B Assembly 22 11 3 MicrophoneAmplifierAssembly 23 11 4 SwitchCircuit AAssembly 33 12 PACKING METHOD AND PART NUMBERS 36 ...

Страница 3: ...load Channel Separation More than 70dB at l kHz Cross talk More than 70dB at l kHz Frequency Response Mlc 2 Hzto 15kHz 19d8 PHONO R IAA Equalization t0 5dB LINE 2OHzto2SkHz 1 Oe MIC Low Cut fc 2OOHz 6dB oct Channel lnterference Less than 1dB Residual Hum Noise Less than 0 05mV S N lHF Short Circuited A Network MIC 52dB PHONO 60dB LINE 67dB Headphone Output Maximum 260mV 8Sl MISCELLANEOUS Power Req...

Страница 4: ...DECK for recording STEREO TAPE DECK for playback STER EO TURNTABLE INPUT TERMINALS AUX F USE 120V mociei 1A eee lr t_ T 0 l i ri i t I i AC 5 Line Voltage model 0 5A 220v 240V 1A 1 10V 1 20v 1 30v i L ry4 tr i MICROPHONES cord i iit ft GROUND TT HF ii t U t STEREO HEADPHONES for monitor C oO Oo O C e Oec c OccO ...

Страница 5: ...nection The monitor function of the headphone will enable you to set a good balance between the input sources distributed to both stereo output channels NOTE l e recommend the use of tightly fitting headphones such as Pioneer model SE 305 effective in sealing out the outside sound This set of terminals is for connecting a stereo turntable You should use a moving magnet type phono cartridge MICROPH...

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Страница 8: ...r emitter emitter follower passes through the MASTER VOLUME potentiometer to be amplified in another two transistor direct coupled amplifier and then sent to the output terminals from the emitter follower INPUT MA EiE 6 The output terminals have both phono jacks and a DIN type connector The two pairs of phono jacks and DIN type connector are wired in parallel so they can be used simul taneously if...

Страница 9: ...es of 33OkSl are used as RM s in this unit differences due to output impedance are negligible To prevent interference between the various signals the impedance at point X the mixing point must be kept quite low in relation to the RM values To fulfill this condition parallel feed type NFB is applied from the emitter of Qq to the base of Q in the mixing ampli ier This not only helps to reduce distor...

Страница 10: ...MA EiE 7 LEVEL DIAGRAM EOUA tI ZERl MIC AMP LINE Mrc I I j cb E L m 30 O Z __l an L J CD c o I o N I ll f I HIADPHON E5 l4qnvl OUTPUT HEADPHONES FREQUENCY AT 1kHz 0dBV 1V 11 ...

Страница 11: ...ke out before the bottom cover can be detached Please refer to the exploded view below Removing the Front Panel 3 First take off all the control knobs and slider caps taking care not to lose the springs from inside the individual level con trols and the master volume control 4 Next remove the two fixing screws at the front of the front panel and the four at the back Do not forget to take off the r...

Страница 12: ...witch Assembly A MA CiE The Switch Assembly B 7 Switch B ass y may be removed once the four fixing screws have been taken out The Volume Controls 8 The two ganged volume controls and the slider volume controls may be removed in dividually after the microphone amplifier assembly has been taken off by unscrewing the securing nuts and setscrews in each case SWITCH CIRCUIT A ASSEMB LY AWS 060 0 SWITCH...

Страница 13: ...ATE A AEC 132 0 VARIABLE RESISTOR MASTER ACX 106 0 SHADING PLATE B AED 022 0 P C BOARD LOCATION ROUND SHADING PLATE A AEC 132 0 ROUND SHADING PLATE B AEC 133 A SHADING PLATE AED 021 0 PHONO JACK AKB 017 0 B 6 JACKS PHONO JACK A 4 JACKS AKB 014 0 FUSE HOI DER AKR 020 0 PILOT LAMP BV 50mA A E L 007 0 PUSH SWITCH POWER A SG 023 0 AC POWER ADG O05 O CORD A t4 ...

Страница 14: ...MPLIFIER ASSEMBLY AWM 056 A SWITCH CIRCUIT B ASSEMB LY AWS 061 0 MA 6E PO AJER TRANSFORMER ATT 203 0 AC SOCKET AKP 002 0 PHONE JACK HEADPHONES K72 026 0 SWITCH CIRCUIT A ASSEMBLY AWS 060 0 BINDING POST FOR GROUND AKE 0i 7 0 PHONE JACK MICROPHONE K72 O24 O 15 ...

Страница 15: ...jack iMICROPHON E Insulator washer ANG 094 A AWS O6i O AWS 061 0 ANH 179 A AWM 056 A ANG 094 O AE C 1 33 A AEC 132 O AED 021 0 AED O22 O AN A 059 C ANH 181 0 ACV 128 0 K72 024 0 E32 045 A Phono jack B 6 lacks Phono jack A 4 jacks Variable resisror 100kI A2 LEVE L Variable resistor 1 00k l A2 MASTER Phone jack HEADPHONES Nut insulator Washer insulator Rubber gromnet Pilot lamp BV 5OmA Binding post ...

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Страница 22: ...m 2 2k Carbon f ilm 1k Carbon f ilm 1k Carbon f ilm 9 1 k Carbon f ilm 91k Carbon film 180k Carbon film 180k Carbon f ilm 1k Carbon f ilm 1k Carbon ilm 12Ok Carbon f ilm 120k Carbon film 22Ok Carbon film 22Ok Carbon film 3O0k Carbon film 30Ok Carbon film 2 lk Carbon film 2 1k Carbon film 18k Carbon f ilm 18k R D l PS 1 O2J RD PS 1O2J RD74PS 9 1 3J RD PS 913J RD PS 184J RD PS 184J RD PS 302J RD PS ...

Страница 23: ... Carbon film 330k Carbon f ilm 330k Carbon ilm 330k Carbon film 330k Carbon film 330k Carbon film 330k Carbon film 330k Carbon film 330k Carbon film 2 2k Carbon film 2 2k Carbon film 2 2M Carbon film 2 2M Carbon film 1 2M Carbon f ilm 1 2M Carbon film 360k Carbon f ilm 360k Carbon f ilm 1 5k Carbon f ilm I 5k Carbon f ilm 62k Carbon film 62k RD PS 683J RD PS 683J RD PS 222J RD PS 222J R Dil4PS 1O2...

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Страница 26: ...2J RD PS 471J RD PS 4 2J RD PS 471J RD PS 412J RD PS 471J RD PS 412J RD PS 471J RD PS 4 2J SWITCHES Symbol Description Part No S1 et S3 S4 CA S6 S7 S8 S9 s10 s1 1 s12 s13 s14 s15 s16 s17 s18 Slide switch INPUT Slide switch INPUT Slide switch INPUT Slide switch INPUT Slide switch INPUT Slide switch INPUT Slide switch MlC LOW CUT Slide switch iMlC LOW CUT Slide switch iMlC LOW CUT Slide switch MlC L...

Страница 27: ...12 PACKING METHOD AND PART NUMBERS SIDE PAD L AHA 044 0 VINYL COVER AHG 016 0 SIDE PAD R AHA 045 0 CLOTH BAG AHG 017 0 Cover MA 62 CAR DBOA RD AHB 015 0 PACKING CASE AHD 2i 0 0 Jr ...

Страница 28: ...IONEEF ELECTFIONICA COFIPC F ATEN 75 Oxfo d Dtrrve Moonach e New Jensey O7O7 4 U S A PIONEEFI ELECTFIONIC EUFIOPEI N V Mern Cencen Mern 2 T 2OOO A twenp Betgrum PIONEEFI ELECTFIONICEi AIJSTFIALIA PTY LTEI 256 A C tV trload South Me bou ne V ctonra 3205 Arrsrna a o sEP 1974 Printed in Japan ...

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