JVC MX-KC4 Скачать руководство пользователя страница 14 | Manualshive

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1-14 (No.MB350)

Fig.17

Fig.18

Fig.19

Raer panel

f

Heat sink

Power board

J

J

Heat sink

Power board

K

Heat sink

Power board

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Содержание MX-KC4

Страница 1: ...ABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 25 5 TROUBLESHOOTING 1 27 FM MODE FM AM AUX SLEEP STANDBY ON CD1 CD2 CD3 SOUND MODE RHYTHM AX FADE MUTING VOLUME PROGRAM RANDOM REPEAT TAPE A CD TAPE B REMOTE CONTROL CA MXKC4 SP MXKC4 SP MXKC4 Area suffix J U S A C Canada ...

Страница 2: ...85 dB Signal To Noise Ratio 85 dB Wow And Flutter Unmeasurable Tuner FM Tuner 87 5 MHz 108 0 MHz AM Tuner 530 kHz 1 710 kHz Unit Dimensions 270 mm 306 mm 456 mm W H D 10 11 16 12 1 16 18 Mass Approx 8 6 kg 19 0 lbs Speaker Specifications each unit SP MXKC4 Type 3 way bass reflex type Speaker Unit Woofer 16 cm 6 5 16 cone 1 Mid 5cm 2 cone 1 Tweeter 2 cm 13 16 dome 1 Power Handling Capacity 180 W Im...

Страница 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Страница 4: ...he laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 6 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacemen...

Страница 5: ...f fire replace only with same type 3 5A 125V for F901 and 1 6A 250V for F902 This symbol specifies type of fast operating fuse Precaution Pour eviter risques de feux remplacez le fusible de surete de F901 comme le meme type que 3 5A 125V et F902 que 1 6A 250V Ce sont des fusibles suretes qui functionnes rapide ...

Страница 6: ...1 6 No MB350 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe PRECAUTION ...

Страница 7: ... screws A on the back of the body 2 Remove the six screws B on the back of the body 3 Remove the four screws C and the two screws D on both sides of the body 4 Move the metal covers in the direction of the arrow with pulling them sideways and release two joints a and six joints b Fig 1 Fig 2 A Rear cover A B B B Metal cover ...

Страница 8: ...1 8 No MB350 Fig 3 Fig 4 Fig 5 C D Front panel assembly Metal cover C D Front panel assembly Metal cover b a b Metal cover ...

Страница 9: ...e CD tray 4 Push STANDBY ON key to close the tray 3 1 3 Removing the CD fitting See Fig 7 to 9 How to eject the CD tray without turning on the power Prior to performing the following procedure remove the metal cover rear cover 1 Turn the loading pulley gear on the bottom of the CD changer mechanism unit part e as shown in the figure to move the CD tray frontward 2 Move the CD fitting in the direct...

Страница 10: ...1 10 No MB350 Fig 8 Fig 9 CD tray CD tray eject key STANDBY ON key CD changer mechanism unit Front panel assembly e Main board CD changer mechanism unit Loading pullygear ...

Страница 11: ...onnect the card wire from connector CN403 CN201 and CN601 on the main board 3 From the back of the body remove the four screws E at taching the CD changer mechanism unit 4 From the back of the body remove the four screws F at taching the CD changer mechanism unit 5 Pulling the rear panel backward move the CD changer mechanism unit in the direction of the arrow and remove Fig 10 Fig 11 CN402 Main b...

Страница 12: ...1 12 No MB350 Fig 12 Fig 13 Fig 14 E E Rear panel F CD changer mechanism unit Front panel assembly Rear panel F CD changer mechanism unit Front panel assembly Rear panel ...

Страница 13: ... wire from connector CW601 on the power board 3 From the back of the body remove the four screws G and the three screws H attaching the power board 4 Release the two tabs f from the notch of the rear panel Move the power board in the direction of the arrow and re move frontward 5 From the bottom of the power board remove the four screws J attaching the heat sink 6 Remove the two screws K attaching...

Страница 14: ...1 14 No MB350 Fig 17 Fig 18 Fig 19 Raer panel f Heat sink Power board J J Heat sink Power board K Heat sink Power board ...

Страница 15: ...board 2 From the back of the body remove the four screws L at taching the rear panel 3 Remove the cord clamp in the direction of the arrow 4 From the base chassis remove the four screws M attach ing the transformer 5 If necessary unsolder the power cord and the wire extend ing from the power transformer assembly Fig 20 Fig 21 Fig 22 Fig 23 CN903 CN202 Rear panel Power board L Rear panel Transforme...

Страница 16: ...arth wire connected to the main base chassis 3 From the bottom of the body remove the screw N attaching the front panel assembly 4 From each side of the body remove the two screws P at taching the front panel assembly 5 Release joints g on each side of the body using a screw driver Remove the front panel assembly frontward Fig 24 Fig 25 Fig 26 Fig 27 CN202 Rear panel Power board Front panel assemb...

Страница 17: ...crews Q attaching the LCD board CD tray eject switch board REC select switch board and Operation board Fig 28 Fig 29 3 1 9 Removing the cassette mechanism assembly See Fig 30 Prior to performing the following procedure remove the front panel assembly 1 Remove the six screws R attaching the cassette mecha nism assembly Fig 30 Volume knob Front panel assembly Q Q Q Q Q Q Q CD tray eject switch board...

Страница 18: ...tom of the CD changer mechanism unit re move the four screws T attaching the main board 3 Move the main board as shown in Fig 32 and disconnect the wire from the connector on the CD mechanism board 4 Solder the short circuit point on the CD pickup board and disconnect the card wire from the CD pickup board Caution When reattaching the main board make sure to connect the card wire to connector CN70...

Страница 19: ...d connecting the unit to the CD changer mech anism assembly 2 Removing four screws e retaining the CD mechanism hold er assembly Caution When replacing the CD changer mechanism assembly be sure not to mistake the positions of the silver color and copper color spring Fig 34 Fig 35 d CD changer unit e Green color e Red color e Green color e Red color CD changer mechanism assembly ...

Страница 20: ...r tray loading motor 2 Remove the two screws M retaining the gear plate and take it out after remove the rotor belt from the pulley Fig 37 3 1 14 Replacing the CD turn table and removing the motor See Fig 38 Prior to performing the following procedures remove the top cover Also remove the CD changer unit 1 Remove the one screws retaining the CD Turn table 2 Remove the two screws retaining the stop...

Страница 21: ...ayback only and cas sette B record play main belts are different When at taching the main belts use the longer belt for cassette A Fig 39 Fig 40 3 1 16 Removing the leaf switches of the cassette deck mechanism See Fig 39 and 41 Prior to performing the following procedures remove the top cover and both sides board Also remove the CD changer unit Also remove the front panel assembly 1 Remove the six...

Страница 22: ...wire 4 Remove screws U that retains the head 5 Remove screws V that retains the head 6 Hold the head and slide it in the direction of the arrow to re move it Fig 42 3 1 18 Removing the 3 pin regulator and bridge diode See Fig 43 Prior to performing the following procedures remove the top cover and both sides board Remove two screws A that connect the heat sink 1 Remove two screws A that connect th...

Страница 23: ...e and release each boss slowly Reference Also the speaker wire extending from the main speaker comes off Remove each speaker if necessary Fig 1 Fig 2 3 2 2 Removing the sub speaker speaker See Fig 3 Prior to performing the following procedure remove the front cabinet 1 Disconnect the wire from the two sub speaker terminals 2 Remove the two screws U attaching the sub speaker 3 Detach the speaker wh...

Страница 24: ...Fig 4 Prior to performing the following procedure remove the front cabinet 1 Remove the four screws V attaching the main speaker If necessary disconnect the wire connected to the sub speaker terminal and the speaker Fig 4 Main speaker Speaker wire V V ...

Страница 25: ...is no need to adjust this sweeper 4 Since a ceramic oscillator is used there is no need to perform any MIX adjustment 5 Since a fixed coil is used there is no need to adjust the FM tracking 6 The input and output earth systems are separated In case of simultaneously measuring the voltage in both of the input and output systems with an electronic voltmeter for two channels therefore the earth shoul...

Страница 26: ...imum output 80kHz 3kHz Adjust the head azimuth screw only when the head has been changed Use the High Impedance Probe or Frequency counter input Head azimuth alignments Bias frequency alignment Items Measurement conditions Measurement method Standard values Adjusting positions 1 Set the Signal Generator signal to 530KHz the feed to Loop Antenna 2 Receiving the signal and the adjust the OSC coil L2...

Страница 27: ...g finishes Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 20 of IC611 TE Approx 0 3V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin32 of IC601 is approx 2Vp p Confirm that the signal from pin24 IC601 is 0V as a accelerated pulse during approx 400ms Confirm the wave...

Страница 28: ...ck do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 5 3 Replacement of laser pickup Is the level of RFOUT under 0 48V 0 1Vp p Replace it NO YES O ...

Страница 29: ... Cassette board B PB REC head bottom side A P B head bottom side Cass deck motor W BK R R W G R BK G BL W R BK W R W BL W R BK CW902 CN702 CN703 CN701 CN201 CN601 CN205 CN402 CN401 CN403 CW201 CN204 CN203 CN206 CW206 CW204 CW203 CW202 CW205 CW601 CN202 J1 BI1206261V BI12P30215V BI12P80102V BI1206271V BI1206251V BI1205291U BI12P90062V BI12P402341 BI12P30232V BI12P60142V BI12P100035V ...

Страница 30: ...501 VOL TONE SELECTOR Q502 Q503 FEEDBACK IC503 OPE AMP CN601 IC502 RYTHM AX Q510 CONTROL IC301 MCU CW601 Q611 MUTE Q612 MUTE IC601 2CH POWER AMP VFD CN202 TO HEADPHONE JK601 SPEAKER OUT CN903 TO CW902 JOG KEY S VOLUME CW206 CN206 IC202 VFD DRIVER IC201 IR SENSOR CW201 CN201 IC804 DIGITAL SERVO IC701 CD RF AMP IC702 DRIVER TRANSFORMER BOARD CW205 AUX JACK AUX CN205 TO SPINDLE SLEED TO CD MECHA TO M...

Страница 31: ...2 3 Parts are safety assurance parts When replacing those parts make sure to use the specified one CDP AMP POWER section Standard schematic diagrams ...

Страница 32: ...2 4 Function section ...

Страница 33: ...2 5 CPU section ...

Страница 34: ...2 6 FL Key control section ...

Страница 35: ...2 7 CD MP3 section ...

Страница 36: ...2 8 Tuner section ...

Страница 37: ...2 9 Printed circuit board Main board forward side ...

Страница 38: ...2 10 Main board reverse side ...

Страница 39: ...2 11 Amp board forward side reverse side ...

Страница 40: ...2 12 Front board forward seide reverse seide ...

Страница 41: ...2 13 Trans board ...

Страница 42: ...ew of general assembly and parts list Block No M1 CD changer mechanism assembly and parts list Block No MA Cassette mechanism assembly and parts list Block No MP Electrical parts list Block No 01 05 Packing materials and accessories parts list Block No M3 MX KC4 3 2 3 5 3 7 3 9 3 18 Area suffix J U S A C Canada MB350 ...

Страница 43: ...neral assembly and parts list Block No M M M 1 1 2 42 40 51 41 9 35 36 3 4 5 37 38 39 7 6 11 13 14 15 59 60 60 60 12 61 61 8 45 44 17 57 56 CD door board Main bo Front board VFD board 18 16 31 34 30 58 32 46 47 48 49 50 58 60 ...

Страница 44: ...3 3 15 60 59 10 19 21 22 23 57 24 56 25 56 57 58 56 57 56 56 27 Amp board Power trans board Main board Front board 54 55 F901 43 52 56 26 F902 58 58 53 58 ...

Страница 45: ...BI107483010101 HEAT SINK COVER HIPS 470 25 BI2025500711V1 REAR PANEL SBCC T 0 80mm 26 BI3400931 CD MECHANISM CMS FR3BN 27 BI202548010101 TOP COVER SBCC T 0 60mm 30 BI1077340101VN BUTTON ABS 700 31 BI1077580101U1 BUTTON ABS 700 32 BI1077480101U1 BUTTON ABS 700 34 BI1077360101U1 LENS PMMA CP51 35 BI3020620101U1 MIRROR SHEET PC T 0 5mm 36 BI1077440101U1 LENS PMMA CP51 37 BI300924010101 DAMPER 38 BI10...

Страница 46: ...3 5 CD changer mechanism assembly and parts list CMS FR3BN Block No M M M A 7 6 2 13 1 3 4 17 16 14 15 19 21 22 18 20 5 37 38A 37 38A 37 38B 37 38B 36 39 32 24 23 25 26 27 29 28 34 33 35 12 11 8 9 10 ...

Страница 47: ...BI3711003379 CONNECTOR HEADE 16 BIAJ4100601K PCB SW 17 BIAJ6100601K PULLEY MOTOR 1X4 18 BIAJ3100601F MOTOR DC 19 BI3710001248 CONNECTOR SOCE 20 BI3711003692 CONNECTOR HEADE 21 BI3708001163 CONNECTOR FPC 22 BIAJ4100601L PCB MECHA 23 BIAJ7200601P TRAY ROULETTE 1X2 24 BIAJ7200601Q TRAY DISC 1X2 25 BIAJ6600601Q GEAR ROULETTE 1X4 26 BIAJ6600601P GEAR WORM 1X2 27 BIAJ3100601K MOTOR LOADING 28 BIAJ630060...

Страница 48: ...9 9 10 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 27 28 28 29 25 4 5 26 3 3 25 2 2 1 2 3 1 4 1 4 2 4 6 4 6 4 2 4 3 4 3 4 4 4 5 5 1 5 2 5 3 4 5 4 4 4 4 3 2 3 3 3 4 3 4 1 3 1 1 ADR268DSW 1 4 1 4 6 1 6 3 6 4 6 2 2 1 2 2 2 3 2 4 2 6 2 7 2 5 30 ...

Страница 49: ...TOR 3 0Kohm x2 5 BIMT9115013Y MOTOR ASSY 5 1 BIMT72K0028A PULLEY M T 5 2 BI3101K0019A MOTOR EG 530AD 2B D 5 3 BI3809001038 MOTOR WIRE 6 BIMT9003010J BASE HEAD B x2 6 1 BIMT7000376A BASE HEAD B 6 2 BIMT7100161A SHAFT BASE S 6 3 BI6107000335 SPR SUB 6 4 BIMT7000468A BASE SUB HEAD 7 BIMT72K0016A CHASSIS MAIN 8 BIMT7000438E PLATE SPRING x2 9 BIMT7200383A CHIP REEL x4 10 BIMT7200384A BASE REEL x4 11 BI...

Страница 50: ...B Z DIODE BI3UZ3 6BSBM000 D14 1SS133 FR DIODE BI31SS133M0007 D15 1SS133 FR DIODE BI31SS133M0007 D301 1SS133 FR DIODE BI31SS133M0007 D302 1SS133 FR DIODE BI31SS133M0007 D303 1SS133 FR DIODE BI31SS133M0007 D304 1SS133 FR DIODE BI31SS133M0007 D305 1SS133 FR DIODE BI31SS133M0007 D306 UZ4 7BSA Z DIODE BI3UZ4 7BSAM000 D307 1SS133 FR DIODE BI31SS133M0007 D308 1SS133 FR DIODE BI31SS133M0007 D309 1SS133 FR...

Страница 51: ...C CAPACITOR 100pF Symbol No Part No Part Name Description Local C503 BICM562101KP015 P CAPACITOR 0 0056uF C504 BICM823101KP015 P CAPACITOR 0 082uF C505 BICM823101KP015 P CAPACITOR 0 082uF C506 BICE105500MP015 E CAPACITOR 1uF 50V C507 BICE105500MP015 E CAPACITOR 1uF 50V C508 BICE105500MP015 E CAPACITOR 1uF 50V C509 BICE105500MP015 E CAPACITOR 1uF 50V C510 BICE105500MP015 E CAPACITOR 1uF 50V C511 BI...

Страница 52: ...18 BIRC2240105A005 C RESISTOR 220KΩ 1 10W R19 BIRC1220105A005 C RESISTOR 1 2KΩ 1 10W R20 BIRC1010105A005 C RESISTOR 100Ω 1 10W R20 BIRC1010085M000 C RESISTOR 100Ω 1 8W R21 BIRC3320105A005 C RESISTOR 3 3KΩ 1 10W R22 BIRC1040105A005 C RESISTOR 100KΩ 1 10W R23 BIRC2210105A005 C RESISTOR 220Ω 1 10W R24 BIRC2210105A005 C RESISTOR 220Ω 1 10W R25 BIRC1030105A005 C RESISTOR 10KΩ 1 10W R26 BIRC1030105A005 ...

Страница 53: ...33 BIRC1530105A005 C RESISTOR 15KΩ 1 10W Symbol No Part No Part Name Description Local R434 BIRC3920105A005 C RESISTOR 3 9KΩ 1 10W R435 BIRC2220105A005 C RESISTOR 2 2KΩ 1 10W R436 BIRC1000105A005 C RESISTOR 10Ω 1 10W R437 BIRC2720105A005 C RESISTOR 2 7KΩ 1 10W R438 BIRC8220105A005 C RESISTOR 8 2KΩ 1 10W R439 BIRC1520105A005 C RESISTOR 1 5KΩ 1 10W R440 BIRC8220105A005 C RESISTOR 8 2KΩ 1 10W R441 BI...

Страница 54: ...ESISTOR 100Ω 1 10W R801 BIRC1210105A005 C RESISTOR 120Ω 1 10W R802 BIRC1010105A005 C RESISTOR 100Ω 1 10W R803 BIRC1010105A005 C RESISTOR 100Ω 1 10W R804 BIRC1050105A005 C RESISTOR 1MΩ 1 10W R805 BIRC1010105A005 C RESISTOR 100Ω 1 10W Symbol No Part No Part Name Description Local R806 BIRC1010105A005 C RESISTOR 100Ω 1 10W R807 BIRC1010105A005 C RESISTOR 100Ω 1 10W R808 BIRC1040105A005 C RESISTOR 100...

Страница 55: ...IRC6220105A005 C RESISTOR 6 2KΩ 1 10W R231 BIRC9110105A005 C RESISTOR 910Ω 1 10W R232 BIRC1120165A005 C RESISTOR 1 1KΩ 1 10W R233 BIRC1220105A005 C RESISTOR 1 2KΩ 1 10W R234 BIRC1820105A005 C RESISTOR 1 8KΩ 1 10W R235 BIRC2020105A005 C RESISTOR 2KΩ 1 10W R236 BIRC3020105A005 C RESISTOR 3KΩ 1 10W R237 BIRC3920105A005 C RESISTOR 3 9KΩ 1 10W R238 BIRC6220105A005 C RESISTOR 6 2KΩ 1 10W R239 BIRC103010...

Страница 56: ...3 1N4003 DIODE BI31N4003SEN000 D614 RS402M B RECTIFIER BI3RS402M1 D615 G5SBA60 DIODE BI3G5SBA601 D616 UZ15BSC Z DIODE BI3UZ15BSCM0000 D617 UZ15BSC Z DIODE BI3UZ15BSCM0000 D618 1SS133 FR DIODE BI31SS133M0007 D619 1SS133 FR DIODE BI31SS133M0007 D620 1SS133 FR DIODE BI31SS133M0007 D621 1SS133 FR DIODE BI31SS133M0007 D622 1SS133 FR DIODE BI31SS133M0007 D623 1SS133 FR DIODE BI31SS133M0007 D624 1SS133 F...

Страница 57: ...Ω 1 4W R649 BIRC0470045N000 C RESISTOR 4 7Ω 1 4W R650 BIRC1040105A005 C RESISTOR 100KΩ 1 10W R651 BIRC1040105A005 C RESISTOR 100KΩ 1 10W R652 BIRC1040105A005 C RESISTOR 100KΩ 1 10W R653 BIRC1000085M000 C RESISTOR 10Ω 1 8W R654 BIRC1020105A005 C RESISTOR 1KΩ 1 10W R655 BIRC1030105A005 C RESISTOR 10KΩ 1 10W R656 BIRC1500085M000 C RESISTOR 15Ω 1 8W R657 BIRC6840105A005 C RESISTOR 680KΩ 1 10W R658 BIR...

Страница 58: ...3 17 MEMO ...

Страница 59: ...3 18 Packing materials and accessories parts list Block No M M M 3 P9 P2 P4 P8 P7 P6 P10 P1 P5 P3 A1 A7 A9 A8 A4 A6 A5 A2 A3 No additional supplemental order of WARRANTY CARDs are available ...

Страница 60: ...N01012V ANT WIRE A 6 BIAN01031V AM LOOP ANT A 7 BI643MXKB405SV REMOTE CONTROL A 8 MXKC4 SPBOX R SPEAKER BOX R R A 9 MXKC4 SPBOX L SPEAKER BOX L L P 1 BI430001814001W CARTON C P 1 BI430001808001W CARTON J P 2 BI4710312U POLY BAG INST BOOK P 3 BI4710572U POLY BAG LOOP ANT P 4 BI4005355 POLY BAG P 5 BI450012048000W CUSHION L UNIT P 6 BI450012049000W CUSHION R UNIT P 7 BI4511452W SH FOAMED MAT P 8 BI4...

Страница 61: ... No MB350 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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