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SERVICE MANUAL

COPYRIGHT     2001 VICTOR COMPANY OF JAPAN, LTD.

KS-AX4700

KS-AX4700

No. 49621

Apr. 2001

KS-AX4700

POWER AMPLIFIER

Printed in Japan
200104(S)

(No. 49621)

VICTOR COMPANY OF JAPAN, LIMITED

MOBILE ELECTRONICS DIVISION

PERSONAL & MOBILE NETWORK B.U.  10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan

Caution

If electricity is connected during disassembly, it must be a no load current. If it is load 
current, be sure to attach a heat sink to the power-amp IC. This will be damaged if the 
above precautions are not followed, as it does not have a sub heat sink attached to it.

Contents

Safety precaution
Location of main parts
Removal of main parts
Test method
Description of major ICs

1-2
1-3 
1-5
1-7
1-8

Area Suffix

E
J

Continental Europe

Northern America

www. xiaoyu163. com

QQ 376315150

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TEL 13942296513

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TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Содержание KS-AX4700

Страница 1: ... load current be sure to attach a heat sink to the power amp IC This will be damaged if the above precautions are not followed as it does not have a sub heat sink attached to it Contents Safety precaution Location of main parts Removal of main parts Test method Description of major ICs 1 2 1 3 1 5 1 7 1 8 Area Suffix E J Continental Europe Northern America www xiaoyu163 com QQ376315150 9 9 2 8 9 4...

Страница 2: ...e pay attention to such burrs in the case of preforming repair of this system www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 3: ...L LOW INPUT L HEAT SINK LOW INPUT R CONTROL PANEL HEAT SINK SWITCH KNOB VOLUME KNOB www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 4: ...OWER TRANSISTER POWER FET POWER TRANSISTER www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 5: ...hen remove it Be careful when inserting a lever etc not to scratch the surface of the control panel Remove the 4 screws D retaining the control panel Then detach the control panel and the switch knobs 3 4 Removing the MAIN PCB see Fig 2 to 8 Side view Rope or wire Volume knob Control panel Bottom cover Fig 1 Fig 3 Fig 2 Fig 4 If electricity is connected during disassembly it must be a no load curr...

Страница 6: ...ching the MAIN PCB to the bottom of the main unit 6 Fig 7 Fig 5 Fig 6 Front panel Fig 8 Rear panel E E E E MAIN PCB F F MAIN PCB Side view F www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 7: ...R SECOND GENERATOR SWITCHING TEST ITEM VOLTAGE TEST FREQUENCY CHECK 75Vp p 2 5V 36 0KHz 50Hz OSCILLOSCOPE VOLT DIV 10 TIME DIV 10mcec SPECIFICATION CONDITION FREQUENCY 36 0kHz 50Hz VOLTAGE VALUE 75Vp p 2 5V When measuring adjust and apply power with no signal or load on each board 5 6 7 3 R01 R60 R03 C01 J09 Q01 C31 C68 Measuring Points MAIN PCB www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL ...

Страница 8: ...e Comparator UV Lockout PWM Comparator Oscillator 1 2 Q D Ck Q Flip Flop Q1 Q2 Reference Regulator 0 7mA 0 7V 0 12V 3 5V 4 9V 8 13 9 11 10 12 7 14 16 15 3 2 1 4 5 6 TL494 Description of major ICs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com...

Страница 9: ...s load current be sure to attach a heat sink to the power amp IC This will be damaged if the above precautions are not followed as it does not have a sub heat sink attached to it Contents Safety precaution Location of main parts Removal of main parts Test method Description of major ICs 1 2 1 3 1 5 1 7 1 8 Area Suffix E J Continental Europe Nothem America www xiaoyu163 com QQ376315150 9 9 2 8 9 4 ...

Страница 10: ... L OUT VR101A 5 U101 A 3 U102 A VR102A 3 U103 A 3 U104 A 5 U104 B BASS BOOST 50Hz 0 12dB VARIABLE CROSS OVER 80Hz 12dB OCT FIXED LPF OFF HPF Q101 Q111 L IN VR101B 3 U101 B 6 U102 B VR102B 3 U105 A 3 U106 A 5 U106 B LPF OFF HPF Q201 Q211 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 3...

Страница 11: ... xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 12: ...C64 220 16V C69 2200 50V C70 2200 50V C01 10 16V C19 100 16V P1 TM0006 00 CHASSIS SV01 2K R78 10K 0 5W R77 10K 0 5W R36 51K R35 1 2K R38 10K R37 1 2K R82 2 2M R39 68K R47 10 2W R57 10 2W R70 470 2W R81 10K R80 220K R15 130KF R17 4 7K R18 4 7K R05 10K R04 4 7K R03 4 7K R02 4 7K R16 51KF R20 10K R19 10K R26 1K R30 1K R31 22K R32 33K R33 15K R34 15K R40 15K R41 15KF R01 10 0 25W R42 220 0 25W R45 47 ...

Страница 13: ...39 22 R237 1K R209 1 3KF R208 1K R257 56K R156 15K R158 4 7 0 5W R155 1 5K R147 12KF R131 5 6KF R148 560F R136 1K R149 220 R143 47 R146 47 R233 1K R144 3 9K R134 5 6K R235 5 6K R135 5 6K R133 1K R108 1K R137 1K R139 22 R206 24KF R138 22 R141 22 R140 22 R142 1K R145 2 7K R234 5 6K R244 3 9K R246 47 R132 22KF R243 47 R236 1K R248 560F R247 12KF R250 220 R254 0 1 3W R251 0 1 3W R122 30K R258 4 7 0 5W...

Страница 14: ...49 COMPONENT COMPONENT J82 COMPONENT J89 COMPONENT J22 COMPONENT J27 COMPONENT J43 COMPONENT J34 COMPONENT J24 COMPONENT J30 COMPONENT J87 COMPONENT J29 COMPONENT J42 COMPONENT J31 COMPONENT J86 COMPONENT J85 COMPONENT J84 COMPONENT J28 COMPONENT J83 COMPONENT J56 COMPONENT J73 COMPONENT J19 COMPONENT J11 COMPONENT J41 COMPONENT J55 COMPONENT J39 COMPONENT J10 COMPONENT J40 COMPONENT J54 COMPONENT...

Страница 15: ...COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT ...

Страница 16: ...MPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENT COMPONENTCOMPONENT COMPONENT COMPONENT COMPONENTCOMPONENT COMPONENT COMPONENT COMPONENT COMPONENTCOMPONENT COMPONENT COMPONENTCOMPONENT COMPONENT R113 COMPONENT C112 COMPONENT C113 COMPONENT C212 COMPONENT C213 COMPONENT C294 COMPONENT C194 COMPONENT C193 COMPONENT C293 COMPONENT C295 COMPONENT COMPONENT COMPONENTCOMPONE...

Страница 17: ... c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 18: ...arts list Electrical parts List Packing and accessories KS AX4700 3 2 3 4 3 7 Areas suffix E Continental Europe J Northern America www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 19: ...1 21 3 19 21 4 20 20 20 20 8 Exploded view of enclosure assembly and parts list Block No M M M 1 1 4 18 3 4 18 2 4 18 4 4 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 20: ... 10 MNSC 00 1 40 7 MOWA 05 8085 0 MAIN HEAT SINK FRONT PANEL REAR PANEL BOTTOM COVER CONTROL PANEL PIPE TOP PANEL VOLUME KNOB SWITCH KNOB SUB HEAT SINK TR BRACKET A TR BRACKET B TR BKT CUSHION A TR BKT CUSHION B TR BKT CUSHION C RUBBER CUSH A RUBBER CUSH B SILICON PAD SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW SPECIFIC POLY WASHER 1 1 1 1 1 1 1 2 1 2 2 2 2 1 1 3 2 1 13 10 8 8 2 4 2 2 2 1 2 3 ...

Страница 21: ...OR ELECTROLYTIC C 140 CER150PF50V C CAPACITOR CERAMIC DISK 50 C 141 MAL104J 50V M CAPACITOR MYLAR 50V 5 C 142 CER104PF50V CAPACITOR CERAMIC DISK 50 C 151 ELE220UF 16V E CAPACITOR ELECTROLYTIC C 191 CER473PF50V CAPACITOR CERAMIC DISK 50 C 192 AXIAL473PF 50V A CAPACITOR AXIAL 50V 5 C 193 CER473PF 50V C CAPACITOR CERAMIC DISK 50 C 194 CER473PF 50V C CAPACITOR CERAMIC DISK 50 C 195 CER473PF 50V C CAPA...

Страница 22: ... CAR1 5WJ1K RESISTOR CARBON FILM 1 5 R 30 CAR1 5WJ1K RESISTOR CARBON FILM 1 5 R 31 CAR1 5WJ22K RESISTOR CARBON FILM 1 5 R 32 CAR1 5WJ33K RESISTOR CARBON FILM 1 5 R 33 CAR1 5WJ15K RESISTOR CARBON FILM 1 5 R 34 CAR1 5WJ15K RESISTOR CARBON FILM 1 5 R 35 CAR1 5WJ1 2K RESISTOR CARBON FILM 1 5 R 36 CAR1 5WJ51K RESISTOR CARBON FILM 1 5 R 37 CAR1 5WJ1 2K RESISTOR CARBON FILM 1 5 R 38 CAR1 5WJ10K RESISTOR ...

Страница 23: ...30K RESISTOR CARBON FILM 1 5 R 224 CAR1 5WJ62K RESISTOR CARBON FILM 1 5 R 230 CAR1 5WJ10K RESISTOR CARBON FILM 1 5 R 231 MET1 5WF5 6K RESISTOR METAL FILM 1 5W R 232 MET1 5WF22K RESISTOR METAL FILM 1 5W R 233 CAR1 5WJ1K RESISTOR CARBON FILM 1 5 R 234 CAR1 5WJ5 6K RESISTOR CARBON FILM 1 5 R 235 CAR1 5WJ5 6K RESISTOR CARBON FILM 1 5 R 236 CAR1 5WJ1K RESISTOR CARBON FILM 1 5 R 237 CAR1 5WJ1K RESISTOR ...

Страница 24: ...o M M M 3 P2 P3 P5 A3 A5 A4 A1 A2 A6 A7 P2 P1 P4 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 25: ...T BOX CUSHION POLY BAG A POLY BAG B POLY BAG C PAPER SPACER FLAT PAD 1 2 1 1 1 2 2 LVT0727 001A BT 52004 1 BT 51018 2 BT 54013 1 FUSE20A 32V MO CU 01 4167 0 MNSC 05 2 40 20 BT 51020 2 BT 20071B KSAX4700 SCREW INST BOOK WARRANTY CARD WARRANTY CARD WARRANTY CARD AUTO FUSE RUBBER CUSHION SCREW REGIST CARD SERVICE CECTER LIST SCREW PARTS LIST 1 1 1 1 2 4 4 1 1 1 www xiaoyu163 com QQ376315150 9 9 2 8 9...

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