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VICTOR COMPANY OF JAPAN, LIMITED

(No.MB082SCH)

Printed in Japan

WPC

AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

www.freeservicemanuals.info

Absolutly Free manuals

Содержание SX-DW303

Страница 1: ...ED No MB082 2003 11 POWERED SUBWOOFER MB082 2003 11 SX DW303 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 9 5 TROUBLESHOOTING 1 10 J U S A Area Suffix www freeservicemanuals info Absolutly Free manuals ...

Страница 2: ...200 Hz Input impedance 50 kΩ LOW LEVEL 470 Ω HIGH LEVEL Input terminals INPUT 1 LOW LEVEL INPUT 2 HIGH LEVEL Power requirements AC 120 V 60 Hz Output power of built in amp 100 W 45 Hz 4 Ω 10 THD Power consumption 25 W Dimensions W H D 217 mm 393 mm 376 mm 8 9 16 in 15 1 2 in 14 13 16 in Mass 9 2 kg 20 3 lbs www freeservicemanuals info Absolutly Free manuals ...

Страница 3: ... 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 earth ground Any leakage...

Страница 4: ...n the safety Caution For continued protection against risk of fire replace only with same type 3A 250V for F9001 This symbol specifies type of fast operating fuse Power switch board Forward side F9001 www freeservicemanuals info Absolutly Free manuals ...

Страница 5: ... No MB082 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS www freeservicemanuals info Absolutly Free manuals ...

Страница 6: ... Fig 2 4 Disconnect the speaker wire from the speaker terminal See Fig 2 Fig 1 Fig 2 3 2 Removing the back panel See Fig 3 Prior to performing the following procedures remove the am plifier assembly 1 Pull out the volume knob and frequency knob 2 Remove the seven screws B attaching the back panel Fig 3 Amplifier assembly Service cabinet A A A Wire connecter Speaker terminal Amplifier assembly Serv...

Страница 7: ...NOB See Fig 5 3 Disconnect the wires from the connecters CN102 and CN503 See Fig 5 4 Disconnect the amplifier board assembly from the connec tors CN951 and CN952 on the regulator board See Fig 6 5 Take out the amplifier board assembly from the amplifier assembly 3 5 Removing the regulator board See Fig 6 Prior to performing the following procedures remove the back panel power cord and amplifier bo...

Страница 8: ...side Fig 7 Fig 8 3 7 Removing the speaker unit See Fig 9 Prior to performing the following procedures remove the stand 1 Remove the four screws J attaching the speaker unit 2 Take out the speaker unit from the service cabinet toward this side Fig 9 Stand Foot spacer Foot spacers H H H Stand H H Speaker unit Service cabinet J J www freeservicemanuals info Absolutly Free manuals ...

Страница 9: ... No MB082 1 9 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT www freeservicemanuals info Absolutly Free manuals ...

Страница 10: ...1 10 No MB082 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING www freeservicemanuals info Absolutly Free manuals ...

Страница 11: ... No MB082 1 11 www freeservicemanuals info Absolutly Free manuals ...

Страница 12: ... AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan www freeservicemanuals info Absolutly Free manuals ...

Страница 13: ...service parts Contents Exploded view of general assembly and parts list Block No M1 Electrical parts list Block No 01 Packing materials and accessories parts list Block No M3 SX DW303 3 2 3 4 3 8 Area suffix J Northern America MB082 www freeservicemanuals info Absolutly Free manuals ...

Страница 14: ...board Terminal board Power switch board Acessories K K A B 1 2 3 3 17 40 40 51 47 52 55 57 53 57 62 61 61 62 59 60 61 61 62 54 58 56 57 14 15 50 16 6 5 3 63 45 7 44 43 43 41 28 42 20 18 32 19 34 46 9 29 30 39 23 35 36 38 33 37 31 24 25 21 12 26 26 12 26 26 22 22 27 8 11 4 10 66 64 65 48 30 13 49 www freeservicemanuals info Absolutly Free manuals ...

Страница 15: ...ACER 32 LV21342 014A BACK PANEL 33 LV30225 0H4A SPACER 34 LV30225 0H5A SPACER 35 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm 36 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm x2 37 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm 38 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm 39 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm x2 40 QYSDSA4020M TAP SCREW M4 x 20mm x11 41 LV33803 001A HEAT SINK 42 QYSBSG3012Z TAP SCREW M3 x 12mm 43 LV30225 0G7A ...

Страница 16: ...IODE D5009 MTZJ18B T2 Z DIODE D5010 MTZJ18B T2 Z DIODE D5011 M1FL20U X FR DIODE D5012 M1FL20U X FR DIODE D5013 1SS355 X SI DIODE D5703 1SS133 T2 DIODE D5704 1SS355 X SI DIODE D5705 1SS355 X SI DIODE D5706 1SS355 X SI DIODE D5707 1SS355 X SI DIODE D5708 MA3200 H X Z DIODE D5709 MA3200 H X Z DIODE D5710 1SS355 X SI DIODE D5711 1SS355 X SI DIODE D5712 MA3300 L X Z DIODE D5713 MA3300 L X Z DIODE D5714...

Страница 17: ...502 QCZ0366 102 C CAPACITOR 1000pF Symbol No Part No Part Name Description Local C9503 NCB31HK 471X C CAPACITOR 470pF 50V K C9504 QETN1VM 107Z E CAPACITOR 100uF 35V M C9505 NCB31HK 471X C CAPACITOR 470pF 50V K C9506 QFKB2JK 103 MM CAPACITOR 0 01uF 630V K C9507 QCZ0213 472 C CAPACITOR 4700pF 1kV K C9508 QCZ0213 472 C CAPACITOR 4700pF 1kV K C9509 QFG32AJ 223Z PP CAPACITOR 0 022uF 100V J C9510 QFG32A...

Страница 18: ...25 NRSA63J 683X MG RESISTOR 68kΩ 1 16W J R5726 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R5727 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R5728 NRSA63J 333X MG RESISTOR 33kΩ 1 16W J Symbol No Part No Part Name Description Local R5729 NRSA63J 683X MG RESISTOR 68kΩ 1 16W J R5730 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R5731 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R5732 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R...

Страница 19: ...K5001 QQR1183 001Z FERRITE BEADS K5002 QQR1183 001Z FERRITE BEADS K9501 QQR0779 001Z COIL LF901 QQR1360 001 LINE FILTER LF902 QQR1360 001 LINE FILTER RY502 QSK0148 001 RELAY S1001 QSW1002 001 PUSH SW S1501 QSW0999 001 PUSH SW S9001 QSW1001 001 POWER SW TH501 QAD0015 153Z THERMISTOR 15kΩ TH591 NAD0032 330X P THERMISTOR 33Ω TH592 NAD0032 330X P THERMISTOR 33Ω TH593 NAD0032 330X P THERMISTOR 33Ω TH59...

Страница 20: ...3 8 Packing materials and accessories parts list P5 P1 P3 P8 P4 P7 P6 P2 A5 A6 Block No M M M 3 A1 A2 A3 A4 www freeservicemanuals info Absolutly Free manuals ...

Страница 21: ...9 001 PIN CABLE A 5 LV43196 003B CAUTION SHEET A 6 SXDW303K SPBOX SPEAKER BOX P 1 QPA02503503P POLY BAG 25cm x 35cm P 2 LV31492 047A CARTON P 3 LV33917 001A CARTON SHEET P 4 QPH03004510 POLY SHEET 30cm x 45cm P 5 QPA07007505P POLY BAG 70cm x 75cm P 6 LV21345 002A BOTTOM CUSHION P 7 LV21345 002A BOTTOM CUSHION P 8 LV21345 001A TOP CUSHION www freeservicemanuals info Absolutly Free manuals ...

Страница 22: ...IGHT 2003 VICTOR COMPANY OF JAPAN LTD SX DW303 Contents Block diagram Standard schematic diagram Printed circuit boards 2 1 2 3 2 5 to 7 CD ROM No SML200311 POWERED SUBWOOFER Area suffix J U S A www freeservicemanuals info Absolutly Free manuals ...

Страница 23: ...e parts side of the PWB diagrams the parts that are printed over with black such as the resistor diode and ICP or identified by the mark nearby are critical for safety This regulation does not correspond to J and C version www freeservicemanuals info Absolutly Free manuals ...

Страница 24: ... M E M O www freeservicemanuals info Absolutly Free manuals ...

Страница 25: ... AUTO POWER ON LED CONT IN PUT L H AMP H P FILTER L P FILTER PHASE A H B IN PUT L H AMP IC103 2 2 IC102 AMP VARIABLE FIX CUT OFF FILTER SW FREQUENCY VOLUME IC103 1 2 VOLUME PHASE SW NORMAL REVERSE ON CANCEL Switch board J1001 J1002 Terminal board CN151 W1001 www freeservicemanuals info Absolutly Free manuals ...

Страница 26: ...VR502 Carrier Freq POWER SUPPLY W9001 to 4 VR501 CN504 Amplifier board SPEAKER OUT MUTE Q5902 Q5903 Q5904 REGULATOR RY502 CN503 CN505 IC571 INV Q5706 IC505 INV IC506 DRV Q5006 Q5007 Q5905 CN102 CN861 RED GREEN Indicator B LED CN502 Volume board Power switch board Regulator board IN www freeservicemanuals info Absolutly Free manuals ...

Страница 27: ...8 R9519 R9520 R9521 R9522 R9523 R9526 R9524 R9525 C1022 R1025 56k 0 1 68k 56k 4 7 50 4 7 50 0 0022 12k BA15218F BA15218F 0 047 0 1 5 6K 1 5K 6 8k 0 022 150k 150k 150k 150k 470 1W 470 1W 47 47 2SC2412K 2SC2412K 220k BA15218F BA15218F NQR0129 003X 5 6k 5 6k 20KB 15k 10k 10 35 0 0033 BA15218F 4 7 50 1M 47p 4 7 50 4 7k BA15218F 1M QGB2016K1 05 1K 47 2SA1037AK QGB2016J1 05 2SC2412K QSW1001 001 0 01 275...

Страница 28: ...R5061 R5062 C5027 C5028 R5063 2SA1037AK 2SC2412K 100 2SC2412K QSK0148 001 2SK303 3 4 X BA15218F NJM311M XE 2SA1037AK 2SC2412K 10k TC74HC00AF W TC74HC14AF X 4 7k 4 7k 10k 10k 4 7 4 7 13K 10k 5K 10k 2SA1037AK 2 2 1k 47p 10k 1SS133 20K 2 2 MTZJ6 8B 10 25 10 16 10 25 10 16 MTZJ6 8B 2SA1514K BU4584BF X 1SS133 1SS133 8 2K 8 2K 560 IR2113S X KRC104S X 10k 2 2 1 2W 22 1 4W 22 1 4W MTZJ18B MTZJ18B IRFI540N...

Страница 29: ...03 C1004 C1005 C1006 C1007 C1008 C1009 C1010 C1011 C1012 C1013 C1014 C1015 C1016 C1017 C1018 C1019 C1020 C1021 C1022 C1023 C1024 C1025 C1026 C1027 C1028 C1029 C1030 C1031 C1032 C1033 C1034 C1035 C1036 D1003 CN103 D1001 D1002 IC101 IC102 IC103 IC104 J1001 J1002 Q1001 Q1002 Q1003 Q1004 Q1006 Q1007 R1001 R1002 R1003 R1004 R1005 R1006 R1007 R1008 R1009 R1010 R1011 R1012 R1013 R1014 R1015 R1016 R1017 R...

Страница 30: ...042 R5043 R5044 R5045 R5046 R5048 R5049 R5050 R5051 R5052 R5053 R5054 R5055 R5056 R5057 R5058 R5059 R5701 R5702 R5713 R5714 R5715 R5716 R5717 R5718 R5719 R5720 R5721 R5722 R5723 R5724 R5725 R5726 R5727 R5728 R5729 R5730 R5731 R5732 R5733 R5734 R5735 R5736 R5737 R5738 R5739 R5740 R5741 R5742 R5901 R5902 R5910 C5907 C5908 R5911 RY502 R5912 D5909 D5712 D5713 D5708 D5709 B8102 B8105 B8103 B8104 B8111 ...

Страница 31: ... D9511 D9512 IC951 K9501 PC951 Q9504 Q9508 Q9509 Q9510 R9501 R9502 R9503 R9504 R9505 R9506 R9508 R9510 R9516 R9517 R9518 R9519 R9520 R9521 R9522 R9523 R9524 R9525 R9526 R9527 R9528 R9529 W9001 W9002 W9003 W9004 HS953 HS952 EP951 EP952 HS954 T9501 C9001 C9002 C9003 C9004 C9005 CN901 D9001 LF901 R9001 S9001 TH901 W9001 W9002 W9003 W9004 Z9001 Z9002 R9002 LF902 www freeservicemanuals info Absolutly F...

Страница 32: ... M E M O www freeservicemanuals info Absolutly Free manuals ...

Страница 33: ...PANY OF JAPAN LIMITED No MB082SCH Printed in Japan WPC AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan www freeservicemanuals info Absolutly Free manuals ...

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