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SERVICE MANUAL

COPYRIGHT © 2004 Victor Company of Japan, Limited

No.MB251

2004/6

POWERED SUB WOOFER

MB251

2004

6

SP-DWF10

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

Area suffix

J ---------------------------- U.S.A.
A ------------------------ Australia
E ---------- Continental Europe
US ------------------------ Singapore
UF ------------------------------ China
UP ----------------------------- Korea
UT ---------------------------- Taiwan
UX -------------------- Saudi Arabia
UJ ---------------------- U.S.Military

www.freeservicemanuals.info

12/6/15

Published in Heiloo, Holland.

Summary of Contents for SP-DWF10

Page 1: ... 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 Area suffix J U S A A Australia E Continental Europe US Singapore UF China UP Korea UT Taiwan UX Saudi Arabia UJ U S Military www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 2: ...aker 16 0 cm cone 1 6 5 16 Frequency Range 32 Hz 200 Hz Impedance 4 Ω Input terminals INPUT LOW LEVEL Power requirements AC 120 V 60 Hz Output power of built in amp 100 W 45 Hz 4 Ω 10 THD Power Handling Capacity 25 W Dimensions W H D 185 mm 374 mm 345 mm 7 5 16 14 3 4 13 5 8 Mass 8 86 kg 19 6 lbs www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 3: ...e 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 cur re...

Page 4: ...25 V for F901 This symbol specifies the type of fast operating fuse Precaution Pour la protection continue contre les risques d incendie remplacer uniquement par le meme type fusible 3 A 125 V pour les F901 Ce symbole specifie le type de fusible a action rapide Power switch board F9001 www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 5: ... No MB251 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 6: ...Fig 2 4 Disconnect the speaker wire from the speaker terminal See Fig 2 3 2 Removing the back panel See Figs 1 to 3 1 From the back side of the main body remove the eleven screws A attaching the amplifier assembly See Fig 1 Reference Remove the amplifier assembly from the main body as required See Fig 2 2 Remove the five screws B attaching the back panel See Fig 3 Fig 1 Fig 2 Fig 3 A A A Amplifier...

Page 7: ...CN503 on the amp board See Fig 5 3 Remove the amplifier board assembly from the connectors CN951 and CN952 on the regulator board See Fig 6 4 Take out the amplifier board assembly 3 5 Removing the power supply board assembly Regula tor board power switch board See Fig 6 Prior to performing the following procedures remove the back panel power cord and amplifier board assembly Remove the amplifier a...

Page 8: ... tool From right side of the main body release the eight joints d and take out the net assembly from the main body See Fig 7 Fig 7 3 7 Removing the speaker See Fig 8 and Fig 9 Prior to performing the following procedures remove the net assembly 1 Remove the six screws H attaching the speaker Fig 8 2 Take out the speaker from the main body 3 Disconnect the wires from the terminal of the speaker See...

Page 9: ... No MB251 1 9 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 10: ...1 10 No MB251 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 11: ... No MB251 1 11 www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 12: ...TIMEDIA 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 12 6 15 Published in Heiloo Holland ...

Page 13: ...ly and parts list Block No M1 Electrical parts list Block No 01 Packing materials and accessories parts list Block No M3 SP DWF10 3 2 3 6 3 10 Area suffix J U S A A Australia E Continental Europe US Singapore UF China UP Korea UT Taiwan UX Saudi Arabia UJ U S Military MB251 www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 14: ... 2 Exploded view of general assembly and parts list Block No M M M 1 Amp board E D 41 43 41 42 51 50 48 47 B A 45 46 3 16 52 J 15 7 49 53 J www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 15: ... Switch board Terminal board E B A D F 1 2 13 8 4 21 23 25 24 22 25 13 4 4 4 4 6 19 28 26 10 34 37 36 35 14 29 44 9 26 11 12 12 5 28 17 27 26 39 40 18 29 30 33 32 32 31 20 20 38 38 56 55 54 57 58 59 60 61 62 A 2 J www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 16: ...SPACER x3 27 LV30225 0E5A SPACER 28 LV30225 0E5A SPACER x2 29 LV30225 0A4A SPACER x2 30 LV30225 074A SPECER 31 LV21342 020A BACK PANEL DWF10A 31 LV21342 025A BACK PANEL DWF10E 31 LV21342 023A BACK PANEL DWF10J 31 LV21342 021A BACK PANEL DWF10UF 31 LV21342 024A BACK PANEL DWF10UJ 31 LV21342 019A BACK PANEL DWF10UP 31 LV21342 018A BACK PANEL DWF10US DWF10UT 31 LV21342 022A BACK PANEL DWF10UX 32 LV30...

Page 17: ...001 HEAT SINK HS 954 58 QYSBSG3008Z TAP SCREW M3 x 8mm 59 E70306 001 HEAT SINK HS 952 60 E70306 001 HEAT SINK HS 953 61 QYSBSG3008Z TAP SCREW M3 x 8mm x2 62 VYSH101 034 SPACER Symbol No Part No Part Name Description Local www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 18: ...MTZJ16B T2 Z DIODE D5008 M1FL20U X FR DIODE 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...

Page 19: ... C CAPACITOR 3 3uF 10V K C5709 NCB21AK 225X C CAPACITOR 2 2uF 10V K C5710 NCB21AK 225X C CAPACITOR 2 2uF 10V K C5711 NCB11EK 224X C CAPACITOR 0 22uF 25V K C5901 QFV72AJ 103Z MF CAPACITOR 0 01uF 100V J DWF1 0A D WF10 E DW F10J C5901 QFG32AJ 223Z PP CAPACITOR 0 022uF 100V J DWF1 0UF D WF10 UJ D WF10 UP D WF10 US D WF10 UT D WF10 UX C5902 QFV72AJ 103Z MF CAPACITOR 0 01uF 100V J DWF1 0A D WF10 E DW F1...

Page 20: ...X MG RESISTOR 56Ω 1 16W J R1068 QRE141J 101Y C RESISTOR 100Ω 1 4W J R5001 NRSA63J 153X MG RESISTOR 15kΩ 1 16W J R5002 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R5003 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R5004 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R5005 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R5006 NRSA63J 752X MG RESISTOR 7 5kΩ 1 16W J R5007 NRSA63J 133X MG RESISTOR 13kΩ 1 16W J R5008 NRSA63J 103X MG R...

Page 21: ...R9002 QRZ9037 335 COMP RESISTOR 3 3MΩ 1 2W K R9501 QRT017J R33 MF RESISTOR 0 33Ω 1W J R9502 QRT017J R33 MF RESISTOR 0 33Ω 1W J R9503 QRZ9005 681X FUSI RESISTOR 680Ω R9504 NRSA63J 332X MG RESISTOR 3 3kΩ 1 16W J R9505 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R9506 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R9508 QRL01DJ 220X OMF RESISTOR 22Ω 1W J R9510 QRE141J 753Y C RESISTOR 75kΩ 1 4W J R9516 NRSA63J 133X...

Page 22: ...s and accessories parts list Block No M M M 3 A A E UP A1A2A3 A1A3A6 A1A3A5 P1 P2 UF A1A2A3 A7 A10 A8A9 P2 J A1A3 A11A12 P2 P3 A4 P4 P5 P7 P6 P2 P2 UT UX US UJ www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 23: ... BOX A 5 QAM0027 002 CONVERSION PLUG DWF10UT DWF10UX A 6 QAM0112 002 PLUG ADAPTOR DWF10UJ DWF10US A 7 BT 59020 1 SEAL DWF10UF A 8 BT 59021 2 SVC CENTER LIST DWF10UF A 9 E310162 001 CERTIFICATE TAG DWF10UF A 10 GN30020 003A SURVEY CARD DWF10UF A 11 YU20333 SAFETY INST DWF10J A 12 BT 51034 2 J REGIST CARD DWF10J P 1 LV31492 060A CARTON DWF10A P 1 LV31492 070A CARTON DWF10E P 1 LV35232 003A CARTON DW...

Page 24: ...circuit boards 2 1 2 2 2 3 to 4 CD ROM No SML200406 POWERED SUBWOOFER COPYRIGHT 2004 Victor Company of Japan Limited Area suffix J U S A A Australia E Continental Europe US Singapore UF China UP Korea UT Taiwan UX Saudi Arabia UJ U S Military www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 25: ... 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 12 6 15 Published in Heiloo Holland ...

Page 26: ...RED GREEN INDICATOR Q5902 Q5903 Q5904 Q5905 REGULATOR B LED CN501 CN503 CN102 CN861 CN901 CN505 CN504 CANCEL ON IC501 Amp VR501 IC502 Comparator Off set VR502 Carrier Freq POWER SUPPLY Volume board Power switch board Regulator board IC104 2 2 LED CONT IC101 1 2 AMP IC102 IC103 1 2 AMP IC103 2 2 AMP T9501 TRANS CN951 CN502 IC503 IC504 Driver J101 www freeservicemanuals info 12 6 15 Published in Hei...

Page 27: ...0 50 10 50 0 01 100K HA17558AF X HA17558AF X 220K 0 15 4 7K 3 9K 47 47 2SC2412K 2SC2412K 100K 47K 1 50 2SA1037AK HA17558AF X HA17558AF X 2SC2412K NQR0129 003X 7 5K 7 5K 10 50 QSW0834 001 0 22 100 HA17558AF X 4 7 50 1M 47p 4 7 50 4 7k HA17558AF X 1M QGB2016K1 05 100 2SC2412K 2SA1037AK QGB2016J1 05 2SC2412K QSW1001 001 0 01 275 QSK0149 001 HA17558AF X 68K 0 0022 2SK303 3 4 X 100k 2W HA17558AF X NJM3...

Page 28: ... R5745 D5910 C5911 C5912 L5901 L5902 D5907 D5908 L5904 R5747 R5748 R5746 D5717 R5749 D5718 Q5723 K5002 C5917 C5918 TH591 TH592 TH593 TH594 B8113 B8112 R5913 R5914 D5911 D5912 B8107 R5061 R5062 C5027 C5028 R5060 R5063 C1001 C1002 C1003 C1004 C1005 C1008 C1009 C1010 C1011 C1012 C1013 C1014 C1016 C1020 C1021 C1022 C1023 C1027 C1028 C1029 C1030 C1031 C1032 C1033 C1034 D1003 CN103 D1001 D1002 IC101 IC1...

Page 29: ...12 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 C 90 04 C9005 CN901 D9001 LF901 R9001 S9001 TH901 W9001 W9002 W9003 W9004 Z9001 Z9002 R9002 LF902 www freeservicemanuals info 12 6 15 Published i...

Page 30: ... M E M O www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

Page 31: ...ted in Japan WPC AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited www freeservicemanuals info 12 6 15 Published in Heiloo Holland ...

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