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SERVICE MANUAL

COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.

No.49809

2003/03

KS-AX7700

POWER AMPLIFIER

49809

2003

03

KS-AX7700

TABLE OF CONTENTS

1

Important Safety Precautions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-2

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Disassembly method  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-3

3

Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-6

               Area suffix

 J ------------ 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-AX770

Страница 1: ...ENTS 1 Important Safety Precautions 1 2 2 Disassembly method 1 3 3 Adjustment 1 6 Area suffix 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 2: ...me parts of the chassis Therefore 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: ...toppers are attached to the backs of the C screws so that they cannot be removed easily 3 Remove the 3 volume knobs on top of the control panel If it cannot be pulled out easily insert a scale or suitable lever between the base of the volume knob and the control panel so that the volume knob is raised a little above the surface and then remove it Be careful when inserting a lever etc not to scratc...

Страница 4: ...lled to its original position during re assembly 7 To remove the wire ass y lift up the main board a little Fig 5 Fig 6 Fig 7 Fig 8 Rear panel E Front panel E GND wire Main board F F Main board Wire assemb y Side view 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 ...

Страница 5: ...5 Remove the 4 screws H retaining the CCFL board 6 Remove the CCFL board by sliding it a little towards the arrow mark Fig 9 Fig 10 Fig 11 Fig 12 CCFL cover G G G CCFL board Insulation sheet H CCFL board H This section is cought by the portion 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 139422965...

Страница 6: ...When measuring adjust and apply power with no signal or load on each board DC DC CONVERTER SECOND GENERATOR SWITCHING TEST SET FREQUENCY COUNTER Main board POWER SUPPLY 14 4V R760 Measuring Points 88Vp p 2 5V TEST ITEM VOLTAGE TEST FREQUENCY CHECK 88Vp p 2 5V 24 350KHz 10Hz OSCILLOSCOPE VOLT DIV 10 TIME DIV 10msec VARIABLE MINIMUM SPECIFICATION CONDITION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2...

Страница 7: ...ww 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 8: ... 8543 Japan VICTOR COMPANY OF JAPAN LIMITED 200303WPC Printed in Japan KS AX7700 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 9: ...merica Contents Block diagrams Standard schematic diagrams Printed circuit boards 2 1 2 2 2 8 9 CD ROM No SML200303 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 10: ... to such burrs in the case of preforming repair of this system Safety precaution 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 11: ...4 TRANS REGULATOR 15V VCC VEE Q150 Q250 MUTE CONTROL Q705 708 Q171 Q176 Q272 PROTECT VR101B VR101A VR102C VR102D 7 6 2 2 1 1 6 7 POWER AMP Q790 CCFL 12V INVERTER LOAD CCFL board Q780 VR701 Q242 Q246 Q248 Q249 Q252 Q261 Q266 BOOST 0 12dB CROSSOVER 3 1 3 1 3 1 6 7 3 1 5 7 3 1 2 1 2 1 5 7 6 7 6 7 VARIABLE INV CIRCUIT Gain1 Amplifier 50 250Hz 12dB OCT VARIABLE www xiaoyu163 com QQ376315150 9 9 2 8 9 4...

Страница 12: ...8 3 2 1 NJM2068LD 224 M 20K 330K 183 M 20KB 183 M 1K 680K 5 6K 20K 1K 224 M 20KB 8 5 6 7 NJM2068LD 1K 47P 5 6K 20KB NJM2068LD 7 5 6 4 22KF 470 16V 8 3 2 1 NJM2068LD 50KC 15K 30KF 11KF 15K 33P 4 7 50V 102P 4 7 50V 22K 22P 20KB 8 5 6 7 NJM2068LD 1K 470P 473 M 473 M 10K 56KF 24P 15KF 4 7 50V NJM2068LD 1 3 2 4 10K 1K 470P 1K NJM2068LD 1 3 2 4 10K 50KC 10K 680K 50KC 15K 1K 8 3 2 1 NJM2068LD 15K 102P 47...

Страница 13: ... 47 IRF640 IRF640 47 47 100 16V C2690Y 330 IRF640 IRF640 VEE 330 KTA1023Y 22KF 224 M 100 50V PROTECTION VCC 102P 47 1KF 5P 22KF KTC1027Y KTA1023Y KTA1023Y 104P KTC1027Y 100P KTC1027Y 330 A1220Y 1N4148 1N4148 1K 330 16V A1220Y IRF640 22 2W 104 M 0 05 5W 0 05 5W 22 3 3K 1N5235 1K 430 510 C2690Y 104P 100K IRF640 100P IRF640 KTA1023Y 360 1KF 5P 22KF KTC1027Y KTA1023Y KTA1023Y 390 330 47 VEE 51 H VCC V...

Страница 14: ...0 0 5W 68 0 5W 47 16V 47 25V 24KF 102 S 47K TL494CN 15K 47 25V 15K KTA1268GR 33K 10 25V 22K 1K 910 1N4148 220 16V 10K 10K 51KF KTC3198BL KTA1266GR KTA1266GR 4 7K KTA1023Y 4 7K 4 7K 1 4 7K 4 7K 50KTH 140KF 104P 2K 27K 12K KTC3198GR 1 5 GND 200 103P 1N5241 V IN 473 100V OUT1 104P 4 7M 0 5W C1027Y 1 5K 0 5W CL 113 18P 3KV C2690A 4 7M 0 5W CHT 100 C1027Y 334 M TL 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1...

Страница 15: ...K 104P FQP50N06 473P 105 M 105 M 100 100 FQP50N06 PR1504x4 10 100V 4 7 50V 100 2W 222 M 2 2 50V 10K 105 M 50m m 2200 50V 2200 50V YG225D2 YG225D2 FQP50N06 FQP50N06 49PHI TMN005 01 25AX2 1N5404 220 0 5W 1N4148 100 100 KTA1266GR 1N4148 KTA1266GR 220 0 5W 68 0 5W 47 25V 47 25V O C I KIA7815PI 5K O C I KIA7915PI 473P 100 47uH 4 7K KTA1023Y 4 7K 1N4004 4 7K 10K 2200 25V RX 2200 25V RX 104P 104P 1000 50...

Страница 16: ...7 C201 C728 C725 C161 C160 C260 C261 C850 Q731 Q730 Q706 Q705 Q707 Q708 Q702 Q780 Q250 Q150 Q710 Q175 Q176 Q851 Q850 R782 R850 R202 R203 R205 R206 R102 R105 R106 R103 R254 R242 R252 R262 R249 R251 R186 R780 R702 R792 R101 R741 R715 R703 R716 R740 R720 R725 R719 R718 R717 R726 R730 R731 R732 R733 R734 R704 R705 R744 R754 R781 R248 R270 R233 R280 R246 R264 R244 R245 R247 R250 R241 R163 R141 R180 R75...

Страница 17: ... C780 C716 R717 R792 C773 C769 R777 CON01 Q780 C781 D770 R782 C705 Q790 C706 C771 C717 C720 Q706 R719 R725 R720 Q705 D704 R780 D771 R726 R781 R734 Q707 C731 R718 R750 C740 R740 C718 R731 Q708 R733 C722 R730 D710 R732 C721 L102 R169 L202 C291 R291 R269 R791 D702 Q710 R701 R751 R752 W01 C792 D723 D722 L702 C788 R851 R182 C786 C220 R247 R245 R280 Q246 Q244 Q250 R270 C242 R241 C260 R260 C262 C202 R201...

Страница 18: ... 1 3 0 R 1 1 3 R 2 1 3 C 2 2 5 C 1 2 5 R 2 3 6 C O N 0 2 R 2 3 8 R 2 3 7 R 2 3 5 C 1 0 8 R 2 3 9 R 2 4 0 R 1 3 9 R 1 4 0 C 1 1 6 C 1 1 5 R 1 3 8 R 1 3 7 R 1 3 6 C 2 0 8 U 1 0 5 R 1 3 5 R 1 3 4 R 2 3 4 R 2 1 2 R 2 1 1 C 1 0 7 C 2 0 9 R 2 1 0 R 1 1 0 R 1 1 2 R 1 1 1 R 2 0 9 R 1 0 9 R 1 0 8 U 1 0 4 U 1 0 6 U 1 0 2 U 2 0 6 C 2 0 7 V R 1 0 1 S W 1 0 1 V R 1 0 3 R 2 0 8 V R 1 0 2 C 1 1 4 C 2 1 1 R 2 1 5...

Страница 19: ... R801 D801 C801 GND BLACK 12V RED PAS12601 REV 0 CFL01 CCFL board 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: ...Maebashi city 371 8543 Japan No 49809SCH Printed in Japan 2003 03 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 21: ...Electrical parts list Block No 01 03 Packing materials and accessories parts list Block No M3 M5 KS AX7700 3 2 3 4 3 8 Area suffix 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 22: ...46 30 12 11 25 37 10 10 31 37 31 29 41 41 41 44 42 42 4 27 13 24 15 1 28 17 21 35 21 40 5 19 20 40 39 6 23 22 26 18 45 39 14 13 2 38 39 38 39 38 39 38 39 3 32 C C F L C O V E R 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...

Страница 23: ...496 0 WIRE BUSHING 1 23 MOCU111508 0 INSULATION SHEE 1 24 MOCU111535 1 INSULATION SHEE 1 25 MOFI011538 0 FIBER PLATE 1 26 MOCU011511 1 CCFL CUSHION A 1 27 MOCU011512 0 CCFL CUSHION B 2 28 MOCU021759 0 CCFL CUSHION C 1 29 MOCU001521 0 RUBBER CUSHION 1 30 MOCU014097 0 RUBBER CUSHION 1 31 MOCU014097 0 RUBBER CUSHION 2 32 MOCU021701 0 FIBER CUSHION 2 34 MOCU061498 0 EVA CUSHION 2 35 MNSC00140 9 3 SCRE...

Страница 24: ... CAPACITOR SMS C 722 ELE47UF 25V E CAPACITOR SMS C 724 CER104PF 50V C CAPACITOR C 725 ELE10UF 100V E CAPACITOR SMS C 726 CER104PF 50V C CAPACITOR C 727 ELE10UF 100V E CAPACITOR SMS C 728 ELE10UF 100V E CAPACITOR SMS C 731 ELE100UF 16V E CAPACITOR SMS C 740 STI102G S CAPACITOR 50V 2 C 741 ELE47UF 25V E CAPACITOR SMS C 750 ELE2200UF 25V E CAPACITOR RX C 751 ELE2200UF 25V E CAPACITOR RX C 752 CER104P...

Страница 25: ...SISTOR R 150 CAR1 5WJ3 3K RESISTOR R 151 MET1 5WF22K METAL RESISTOR R 152 CAR1 5WJ51 RESISTOR R 154 MET1 5WF1K METAL RESISTOR R 160 MET1 5WF22K METAL RESISTOR R 161 CAR1 5WJ47 CARBON RESISTOR R 162 CAR1 5WJ330 RESISTOR R 163 CAR1 5WJ47 CARBON RESISTOR R 164 CAR1 5WJ330 RESISTOR R 165 CAR1 5WJ56K CARBON RESISTOR R 166 MET1 5WF150K METAL RESISTOR R 167 W WOUND5WJ0 05 RESISTOR R 168 W WOUND5WJ0 05 RE...

Страница 26: ...OR R 742 CAR1 2WJ220 CARBON RESISTOR R 743 CAR1 2WJ220 CARBON RESISTOR R 744 CAR1 5WJ1K CARBON RESISTOR R 745 CAR1 5WJ100 CARBON RESISTOR R 746 CAR1 5WJ100 CARBON RESISTOR R 747 CAR1 5WJ100 CARBON RESISTOR R 750 CAR1 5WJ27K CARBON RESISTOR R 751 CAR1 5WJ12K CARBON RESISTOR R 752 CAR1 5WJ1 5K CARBON RESISTOR R 754 CAR1 5WJ1K CARBON RESISTOR R 755 CAR1 5WJ100 CARBON RESISTOR R 756 CAR1 5WJ100 CARBON...

Страница 27: ...N RESISTOR R 138 CAR1 5WJ330K CARBON RESISTOR R 139 CAR1 5WJ5 6K CARBON RESISTOR R 140 CAR1 5WJ680K CARBON RESISTOR R 208 CAR1 5WJ1K CARBON RESISTOR R 209 CAR1 5WJ1K CARBON RESISTOR R 210 MET1 5WF15K METAL RESISTOR R 211 CAR1 5WJ12K CARBON RESISTOR R 212 MET1 5WF56K METAL RESISTOR R 213 CAR1 5WJ10K CARBON RESISTOR R 214 CAR1 5WJ10K CARBON RESISTOR R 215 CAR1 5WJ10K CARBON RESISTOR R 216 CAR 1 5WJ ...

Страница 28: ...No M M M 5 A3 A4 A5 A6 P6 A1 A2 A7 P4 A8 P3 P2 P2 P5 P1 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 29: ...E LVT1028 001A INST BOOK 1 ENG GER FRE SPA A 2 BT 51018 3 WARRANTY CARD 1 BT 51028 2 J REGIST CARD 1 BT 52006 2 WARRANTY CARD 1 A 3 CHD1140 N CONNECTOR ASSY 1 300M M 4P A A 4 FUSE25A 32V AUTO FUSE 2 A 5 MOCU014167 0 RUBBER RING 4 A 6 MBSC02240 20 SCREW 4 STT1 BH 4X20 BK A 7 BT 20071B JVC CENTER LIST 1 A 8 MDLA058422 0 CAUTION SHEET 1 KIT KSAX6300 SCREW SCREW PARTS KIT 1 A5A6 P6 www xiaoyu163 com Q...

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