JVC KD-G442EX Скачать руководство пользователя страница 3

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(No.MA377<Rev.004>)1-3

KD-G447/KD-G357

Design and specifications are subject to change without notice.

AUDIO AMPLIFIER SECTION

Maximum Power Output

Front/Rear

50 W per channel

Continuous Power Output (RMS)

Front/Rear

19 W per channel into 4

Ω

40 Hz to 20 000 Hz at no

more than 0.8% total harmonic distortion

Load Impedance

Ω

to 8

Ω

allowance)

Tone Control Range

Bass

±12 dB at 60 Hz

Middle

±12 dB at 1 kHz

Treble

±12 dB at 10 kHz

Frequency Response

40 Hz to 20 000 Hz

Signal to Noise Ratio

70 dB

Other Terminals

AUX (auxiliary) input jack, USB input jack

TUNER SECTION

Frequency Range

FM1/FM2

87.5 MHz to 108.0 MHz

FM3

65.00 MHz to 74.00 MHZ

MW: 522 kHz to 1 620 kHz
LW: 144 kHz to 279 kHz

FM Tuner

Usable Sensitivity

11.3 dBf (1.0

V/75

Ω

)

50 dB Quieting Sensitivity

16.3 dBf (1.8

V/75

Ω

)

Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response

40 Hz to 15 000 Hz

Stereo Separation

30 dB

MW Tuner

Sensitivity/Selectivity

V/35 dB

LW Tuner

Sensitivity

CD PLAYER SECTION

Type

Compact disc player

Signal Detection System

Non-contact optical pickup (semiconductor laser)

Number of Channels

2 channels (stereo)

Frequency Response

5 Hz to 20 000 Hz

Dynamic Range

96 dB

Signal-to-Noise Ratio

98 dB

Wow and Flutter

Less than measurable limit

MP3 Decoding Format: (MPEG1/2 Audio Layer 3) Max. Bit Rate

320 kbps

WMA (Windows Media® Audio) Decoding Format Max. Bit Rate

320 kbps

USB SECTION

USB Standard

USB 1.1, USB 2.0

Data Transfer Rate (Full Speed)

Max. 12 Mbps

Storage

Less than 8 GB (1 partition type)

Compatible Device

Mass storage class (except HDD)

Compatible File System

FAT 32/16/12

Playable Audio Format

MP3/WMA

Max. Current

500 mA

GENERAL

Power Requirement

Operating Voltage

DC 14.4 V (11 V to 16 V allowance)

Grounding System

Negative ground

Allowable Operating Temperature

C to +40

Dimensions (W

Installation Size (approx.)

182 mm

52 mm

160 mm

Panel Size (approx.)

188 mm

58 mm

13 mm

Mass (approx.)

1.3 kg (excluding accessories)

Содержание KD-G442EX

Страница 1: ...KD S45J KD G645SUI KD G442E KD G442EX KD G442EY KD G499UR KD G357EE2 KD G645TUH COPYRIGHT 2008 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade Lead free solder used in the board material Sn Cu melting point 230 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 9 2 SPECIFIC SERVICE INSTRUCTIONS 1 12 3 DISASSEMBLY 1 13 4 ADJUSTMENT 1 29 5 T...

Страница 2: ...vity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB MW Tuner Sensitivity Selectivity 20 µV 35 dB LW Tuner Sensitivity 50 µV CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic ...

Страница 3: ... 000 Hz Stereo Separation 30 dB MW Tuner Sensitivity Selectivity 20 µV 35 dB LW Tuner Sensitivity 50 µV CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB Wow and Flutter Less than measurable limit MP3 Decoding Form...

Страница 4: ...1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB W...

Страница 5: ...Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB Wow and Flutter Less than measu...

Страница 6: ...nel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB Wow and Flutter Less than m...

Страница 7: ...Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB Wow and Flutter Less than measu...

Страница 8: ...Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB AM Tuner Sensitivity Selectivity 20 µV 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB Wow and Flutter Less than measu...

Страница 9: ...urrs formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Страница 10: ...of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 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 replac...

Страница 11: ...oduct uses visible and or invisible laser radiation and is equipped with safety switches which prevent emission of radiation when the drawer is open and the safety interlocks have failed or are defeated It is dangerous to defeat the safety switches 5 CAUTION If safety switches malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than th...

Страница 12: ...1 12 No MA377 Rev 004 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 13: ... 1 1 Disengage the four hooks a engaged the both side of the FRONT CHASSIS assembly Fig 3 1 3 1 2 Removing the HEAT SINK See Fig 3 2 3 3 1 Remove the three screws A and the two screws B attaching the HEAT SINK See Fig 3 2 2 Remove the two screws C and the one screw D attaching the HEAT SINK See Fig 3 3 Fig 3 2 Fig 3 3 hook a A B C D ...

Страница 14: ...OVER 2 Slide the BOTTOM COVER to backward Fig 3 4 3 1 4 Removing the MAIN BOARD assembly See Fig 3 5 3 6 1 Remove the two screws G and the two screws H attaching the MAIN BOARD assembly See Fig 3 5 3 6 2 Disconnect the connector CN501 connected to MAIN BOARD assembly and CD MECHANISM assembly See Fig 3 6 Fig 3 5 Fig 3 6 E F G H CN501 ...

Страница 15: ...emove the three screws J attaching the CD MECHANISM assembly Fig 3 7 3 1 6 Removing the SWITCH BOARD assembly See Fig 3 8 1 Remove the VOLUME KNOB 2 Remove the four screws K attaching the REAR COVER 3 Disengage the nine hooks b engaged the REAR COVER Fig 3 8 J J hook b hook b K K ...

Страница 16: ... Figs 1 and 2 1 From the both side of the CD mechanism assembly remove the four screws A attaching the top cover See Fig 1 2 Lift the front side of the top cover and move the top cover backward to release the two joints a See Figs 1 and 2 Fig 1 Fig 2 A A A a Top cover A a Top cover ...

Страница 17: ...static electricity See Fig 3 1 From the bottom side of the CD mechanism assembly remove the screw C attaching the base board See Figs 3 and 4 2 Solder the short land c on the pickup See Fig 3 3 Disconnect the flexible wire from the connector on the pickup See Fig 3 4 Remove the base board from the joints d of the frame in the direction of the arrow See Figs 3 and 4 Reference Remove the wires from ...

Страница 18: ...Remove the chassis unit from the dampers on the frame in an upward direction See Fig 6 Note Pay attention to misuse and loss of each spring See Fig 5 When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly See Fig 6 Fig 5 Fig 6 Front suspension spring Rear suspension spring Rear suspension spring Front suspension spring Chassis u...

Страница 19: ...the clamper assembly See Figs 7 and 8 Remove the top cover Move the clamper assembly in the direction of the arrow to release the joints f from the chassis unit Fig 7 Fig 8 f f Clamper assembly Chassis unit f f Clamper assembly Chassis unit ...

Страница 20: ...s unit From the bottom side of the chassis unit remove the screw D and take out the loading feed motor assembly in the direction of the arrow Reference Remove the wires from the soldered sections g of the loading feed motor assembly as required Fig 9 D Loading feed motor assembly g Loading feed motor assembly Chassis unit ...

Страница 21: ...d screw holder as required See Fig 12 7 Release the claw k in the direction of the arrow to remove the feed sub holder See Fig 12 3 2 8 Reattaching the pickup See Figs 10 to 13 1 Reattach the feed sub holder to the pickup See Fig 12 2 Reattach the feed screw holder to the pickup using the screw G See Fig 12 3 Reattach the feed screw assembly and pu shaft holder A to the pickup as before See Fig 11...

Страница 22: ...m in the direction of the arrow to remove the trigger arm base from the section s in the direction of the arrow 4 Remove the trigger arm from the section t Fig 14 3 2 10 Removing the top plate assembly See Fig 15 Remove the top cover base board chassis unit clamper assembly and trigger arm 1 Remove the screw H attaching the top plate assembly 2 Move the top plate assembly in the direction of the a...

Страница 23: ...e link gear L in the direction of the arrow 3 Move the mode switch in the direction of the arrow 1 to remove the sections z of the top plate assembly 4 Move the mode switch in the direction of the arrow 2 and remove the mode switch from the sections aa ab Note When reattaching the link gear L attach it after aligning the hole ac of the link gear L to the hole ac of the link gear R Reference When r...

Страница 24: ...lect arm R from the sections ag See Fig 17 5 From the bottom side of the top plate assembly remove the select lock arm spring from the section ah See Fig 18 6 From the top side of the top plate assembly remove the section aj of the select lock arm from the top plate assembly at first and remove the sections ak am ofthe selectlock arm from the top plate assembly See Fig 18 Note When removing the se...

Страница 25: ... the lock arm assembly from the joint at of the cam plate L assembly See Fig 19 5 From the right side of the lock arm assembly remove the loading roller spring L from the section au See Fig 20 6 From the top side of the lock arm assembly remove the loading roller spring R in the direction of the arrow and remove the loading roller assembly See Fig 20 7 Remove the roller guide R HL washer and rolle...

Страница 26: ...r 2 See Fig 22 3 Pull out the change arm See Fig 22 4 Move the change gear plate rivet assembly in the direction of the arrow 2 to remove the section av of the change gear plate rivet assembly from the chassis unit while moving the change lock lever in the direction of the arrow 1 See Fig 23 5 Pull out the change gear 3A and change gear 3B from the change gear plate rivet assembly See Fig 23 Fig 2...

Страница 27: ...embly top plate assembly loading roller assembly and cam plate R 1 Remove the slide hook rivet assembly and trigger rack spring from the chassis unit See Fig 25 2 From the bottom side of the chassis unit pull out the loading gear 1 See Fig 26 3 Remove the trigger control spring from the sections ay az See Fig 26 4 Take out the trigger rack plate from the chassis unit See Fig 26 Reference When atta...

Страница 28: ...gear 2 in the direction of the arrow 2 while pulling the trigger arm in the direction of the arrow 1 and let the pickup move in the direction of the arrow 3 See Fig 28 3 Slide the spindle motor assembly in the direction of the arrow and take out it in an upward direction from the chassis unit See Fig 28 Reference Remove the wires from the soldered sections c on the base board and remove them from ...

Страница 29: ...e and Bass Treble volume lndication 0 Loudness OFF 4 4 Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered sincedirect reading of figures are applied in this working standard 4 5 How to connect the extension cable for adjusting Caution Be sure to attach the heat sink and re...

Страница 30: ... RD BR YL NC BK 1 3 5 7 2 4 6 8 VI GY WH GN VI BK GY BK WH BK GN BK 7 RD 16 YL 8 BK 5 BL WH 13 BR 3 GN 11 GN BK 2 VI 10 VI BK 4 WH 12 WH BK 1 GY 9 GY BK RD RD 7 YL 4 8 5 2 8 5 2 7 1 6 3 4 BK RD BL WH BR Black Red Blue White Brown GN Green VI Violet GY Gray YL Yellow RR Rear Right FR Front Right FL Front Left RL Rear Left REMOTE Remote ACC TEL ACC Line Telephone Muting GND Ground MEMORY Memory Back...

Страница 31: ...0 KD S45 BK YL RD BL WH GN BK VI VI BK WH BK GN GY BK WH 2 16 1 8 5 7 12 10 3 9 11 GY BK RD BL WH Black Red Blue White GN VI Violet GY Gray YL Yellow Green 4 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 BK RD NC BL WH WH GN VI GY YL NC NC WH BK GN BK VI BK GY BK 8 NC ...

Страница 32: ...K YL VI RD GN BK VI BK WH BK GN GY BK WH 16 1 8 7 2 12 10 3 9 11 GY 4 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 BK RD BL BL WH WH GN VI GY YL NC NC WH BK GN BK VI BK GY BK 8 OR WH BK RD BL WH Black Red Blue White GN Green VI Violet GY Gray YL Yellow OR Orange OR WH 15 5 BL WH 6 BL ...

Страница 33: ...K GY BK RD1 YL1 BK BL GN GN BK VI VI BK WH BK GY GY BK RD3 RD2 YL 2 WH 1 3 5 7 2 4 6 8 NC YL2 OR WH RD2 BK 1 3 5 7 2 4 6 8 VI GY WH GN VI BK GY BK WH BK GN BK BK RD BL WH BR Black Red Blue White Brown GN VI Violet GY Gray YL Yellow YL1 NC Green BL WH BK BL OR WH BL WH 7 8 5 4 6 7 1 5 6 3 4 8 2 7 16 8 15 6 2 11 3 12 4 10 9 1 5 OR Orange NC NC ...

Страница 34: ...en 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 BK RD BL NC WH GN VI GY YL NC NC WH BK GN BK VI BK GY BK 8 NC 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BK NC WH BK GY BK GN BK VI BK NC NC NC NC NC NC YL WH GY GN VI RD BL NC 8 BK 16 YL 7 RD 6 BL 4 WH 12 WH BK 3 GN 11 GN BK 2 VI 10 VI BK 1 GY 9 GY BK 20 10 2 1 8 18 6 16 5 15 7 17 ...

Страница 35: ... Black Red White GN VI Violet GY Gray YL Yellow Green 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 BK RD NC NC WH GN VI GY YL NC NC WH BK GN BK VI BK GY BK 8 NC 8 BK 16 YL 7 RD 4 WH 12 WH BK 3 GN 11 GN BK 2 VI 10 VI BK 1 GY 9 GY BK GN GN BK VI BK BK VI NC RD YL WH GY BK GY WH BK ...

Страница 36: ...BK GY BK WH BK GN BK BK Black RD Red BL Blue WH White GN Green VI Violet GY Gray YL Yellow 7 RD 16 YL 8 BK 5 BL WH 3 GN 11 GN BK 2 VI 10 VI BK 4 WH 12 WH BK 1 GY 9 GY BK RD RD 7 YL 4 8 5 7 8 1 2 5 3 6 4 RR Rear Right FR FL RL Rear Left Front Right Front Left REMOTE Remote out ACC MEMORY ACC Line GND Memory Backup Battery Ground ACC MEMORY GND REMOTE RL RL RR RR FL FL FR FR BL WH WH BK GN BK VI BK ...

Страница 37: ... RD BL WH VI Black Red Blue Violet GN GY Gray YL Yellow Green OR Orange 3 4 5 6 VI BK NC NC GN BK 1 VI 2 GN 5 6 7 8 9 10 1 2 3 4 WH BK BK WH BL NC OR WH YL GY BK GY RD 7 6 5 4 3 2 1 8 16 15 14 13 12 11 10 9 BK RD BL BL WH WH GN VI GY YL NC NC WH BK GN BK VI BK GY BK OR WH ...

Страница 38: ... No MA377 Rev 004 VPT Printed in Japan Victor Company of Japan Limited Mobile Entertainment Division 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

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