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JVC KS-AX5700 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
9
2005
MA195
TE
L 13942296513
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
www
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http://www.xiaoyu163.com
POWER AMPLIFIER
KS-AX5700
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

TABLE OF CONTENTS

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COPYRIGHT © 2005 Victor Company of Japan, Limited
http://www.xiaoyu163.com
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1 3
u163
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2 9
9 4
2 8
Area suffix
J ------------- Northern America
E ------------- Southern Europe
U -------------------- Other Areas
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
No.MA195
2005/9

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  Summary of Contents for JVC KS-AX5700

  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL POWER AMPLIFIER MA195 2005 KS-AX5700 Area suffix J ------------- Northern America E ------------- Southern Europe U -------------------- Other Areas L 13942296513 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION.
  • Page 2: Precaution

    http://www.xiaoyu163.com 3 7 63 1515 0 SPECIFICATION 200 W RMS × 4 channels at 4 Ω and [ < or = ] 1% THD + N Power Output 80 dBA (reference: 1 W into 4 Ω) Signal-to-Noise Ratio Maximum Power Output 900 W 4 Ω...
  • Page 3: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 DISASSEMBLY Main body Cover 3.1.1 Removing the main board (See Fig.1 to 3) (1) From the bottom of the body, remove the six screws A at- taching the cover. (2) Disconnect the wire from connector on the main board.
  • Page 4 http://www.xiaoyu163.com 3.1.2 Removing the cross over A board, the bass boost A 3 7 63 1515 0 board and the LED A board (See Fig. 4 to 7) • Prior to performing the following procedure, remove the main board. Washer LED A board (1) From the bottom of the main board, remove the two screws G attaching the bracket.
  • Page 5 http://www.xiaoyu163.com 3.1.3 Removing the LED B board and the LED C board (See 3 7 63 1515 0 LED B board LED C board Fig.8, 9) • Prior to performing the following procedure, remove the main board. (1) Remove the two screws M attaching the LED B board and the LED C board.
  • Page 6: Adjustment

    http://www.xiaoyu163.com SECTION 4 3 7 63 1515 0 ADJUSTMENT IDOLING CURRENT ADJUSTMENT Instrument requited DC power Multimeter Connection Connect the DC power to the body (+B, remote and GND). After three minutes or more, start measurement (wait until the voltage is stabilized). Remote GND Short-circuit the remote terminal and +B terminal and connect to the power supply.
  • Page 7 http://www.xiaoyu163.com TEST POINT 3 7 63 1515 0 R251 C216 D202 D206 D210 R176 Q220 Q135 R240 R241 D205 C215 D211 Q219 R250 R207 C132 Q202 R205 R202 Q203 R248 R186 TP205 C203 Q204 R208 C205 R210 R206 C202 Q138 R209 Q209 R221...
  • Page 8: Troubleshooting

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 TROUBLESHOOTING Troubleshooting guide There are five ranks A, B, C, D and E of POWER FET (Q111, Q112, Q113, Q114, Q115, Q116, Q211, Q212, Q213, Q214, Q215 and Q216). There are following four groups of IC. If you replace any IC, do other two ICs in the group at a time to be equal in rank.
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 (No.MA195)1-9 http://www.xiaoyu163.com...
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA195) Printed in Japan http://www.xiaoyu163.com...
  • Page 11 3 7 63 1515 0 SCHEMATIC DIAGRAMS POWER AMPLIFIER KS-AX5700 CD-ROM No.SML200509 Area suffix J ---------- Northern America E ---------- Southern Europe U ----------------- Other Areas L 13942296513 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 Safety precaution Burrs 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. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 13: Block Diagram

    http://www.xiaoyu163.com 3 7 63 1515 0 Block diagram LVA10587-A1 LVA10588-A1 LVA10588-A2 CROSS OVER A BASS BOOST A FRONT INPUT S1531 CROSS 1CH OUT CROSS 2CH OUT FRONT HIGH INPUT CN504 CN505 1CH OUT BASS BOOST 1CH IN 1CH FLAT BASS BOOST 2CH IN 2CH OUT 2CH FLAT FRONT...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 Standard schematic diagrams 2ch Power supply section QQR1664-001 2SC5734K/QR/-X QNG0059-001 1SS355-X QNG0059-001 QNB0277-001 FKV550N FKV550N FKV550N FKV550N 3300/25 2SA2054K/Q/-X 3300/25 2SA2054K/Q/-X FKV550N FKV550N FKV550N FKV550N 1SS355-X 2SC5734K/QR/-X L 13942296513 QQR1277-001Z TP20 2SB1197K/QR/-X 6.8k 2SA1530A/R/-X 4.7k 1000p 2SA1530A/R/-X...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 1SR156-400-X QQR1277-001Z ICP-S1.2-X QQS0354-001 2SC5171 +15V QQR1277-001Z FMG-32S 2SK368/Y/-X 300/25 POWERGND QQR1277-001Z 300/25 2SK368/Y/-X -15V QQR1277-001Z FMG-32R 2SA1930 ICP-S1.2-X L 13942296513 Q137 QQR1277-001Z 1SR156-400-X +MUTE Q135 Q134 R167 2SK368/Y/-X Q138 R185 POWERGND POWERGND Q133 Q136 POWERGND -MUTE...
  • Page 16: Amplifier Section

    http://www.xiaoyu163.com 3 7 63 1515 0 Amplifier section Q109 R170 Q106 2SC5171 2SA1930 Q102 Q103 +15V 2SC5734K/GR/-X 2SC5734K/GR/-X R118 Q115 Q111 MLE20 MLE20 Q101 Q108 2SK198/R/-X R145 R147 MUTE Q116 Q112 C102 MJD20 MJD20 47/16 Q105 Q104 2SA2054K/G/-X 2SA2054K/G/-X C105 R171 Q107 10/16...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 D110 1SS376-X +MUTE Q109 R170 2SC5171 DCPROTECT Q119 2SC3138/Y/-X R140 IPROTECT Q113 MLE20 Q115 Q111 3.3k MLE20 MLE20 L101 TP103 QQLZ003-1R0 R165 Q116 Q112 R141 MJD20 MJD20 Q114 3.3k MJD20 Q120 2SA1255/Y/-X C120 0.1/50 BGND R171 Q110...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 2ch Input ,Cross over & Bass boost section +15V C514 R526 TP501 IC501 QNN0745-001 NJM4580V-X J501 C502 1CHOUT R515 R509 10/16 IC502 NJM4580V-X R525 R522 R514 R512 C503 C511 10/16 1CHFLAT IC521 NJM4580V-X R507 4.7k C504 0.01...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 R1532 R1533 C1534 QSW1151-001 C1533 C1531 C1537 IC532 NJM4580V-X 22/16 0.056 R1536 VR531 C1532 QVQ0339-C54 R1531 VR531 9.1k S1531 0.056 QVQ0339-C54 R1534 CHOUT 9.1k IC533 NJM4580V-X IC531 R1535 NJM4580V-X WJS0070-001A-E W1531 C1538 1CHFLAT 0V-X R1632 R1633 QSW1151-001...
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Q212 Q215 Q216 Q213 Q214 Q211 R243 Q208 TP209 TP206 R234 TP205 R230 R226 TP208 R227 R235...
  • Page 21 http://www.xiaoyu163.com 3 7 63 1515 0 TP24 Q116 Q115 Q111 Q112 Q113 Q114 Q108 TP107 TP110 TP105 TP108 R129 R126 R130 R127 TP106 TP109 R135 R134 R131 TP112 TP111 R171 R128 R121 R120 R122 Q109 Q106 Q107 Q110 R123 R139 R170 R116 R144...
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0 Cross over & Bass boost board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) D1922 W1922 R1534 R1531 IC532 R1532 R1533 C1538 C1531 R1536 IC533 R1535 C1533 R1639 R1636 C1535...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MA195SCH) http://www.xiaoyu163.com...
  • Page 25: Parts List

    3 7 63 1515 0 PARTS LIST [ KS-AX5700 ] * All printed circuit boards and its assemblies are not available as service parts. L 13942296513 Area suffix J ------------- Northern America E ------------- Southern Europe U -------------------- Other Areas...
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. Front side W311 48 48 L 13942296513 E ver. Main board Back side u163 The parts without symbol number are not service. http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  LV22109-002A PWB BRACKET-L LV44487-001A SPACER LV44487-002A SPACER LV40846-048A SPACER(F) QYSDSG3006ZA TAP SCREW M3 x 6mm QYSDSG3006ZA TAP SCREW M3 x 6mm QYSDSG3008ZA TAP SCREW M3 x 8mm(x2)
  • Page 28: Electrical Parts List

    http://www.xiaoyu163.com 3 7 63 1515 0 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] Q213 MLE20 POWER MOSFET  Symbol No. Part No. Part Name Description Local Q214 MJD20 POWER MOSFET Q215 MLE20 POWER MOSFET...
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local QFV72AJ-104Z MF CAPACITOR 0.1uF 100V J C514 NDC31HJ-150X C CAPACITOR 15pF 50V J QEHR2AM-107Z E CAPACITOR 100uF 100V M C516 QCZ0202-155Z...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R181 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R622 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J C1636 QEKJ1CM-226Z E CAPACITOR 22uF 16V M R625 NRS181F-223X MG RESISTOR 22kΩ...
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A1 A2 A1 A2 A1 A2 A4 A5 A6 J version E version U version KIT: A9 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  LVT1384-001A INST SHEET ENG FRE LVT1384-002A INST SHEET GER FRE LVT1384-005A INST SHEET CHI(TAIWAN) THA LVT1435-001A INST SHEET LVT1384-003A INST SHEET ITA DUT LVT1384-006A...