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SERVICE MANUAL

COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED

No.22056

2003/6

POWERED SUBWOOFER

22056

2003

6

SP-DW103

TABLE OF CONTENTS

1

PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-3

2

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-4

3

DISASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-5

4

ADJUSTMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-8

5

TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-9

               Area suffix

B ------------------------------- U.K.
E ----------- Continental Europe

Summary of Contents for SP-DW103

Page 1: ...NY OF JAPAN LIMITED No 22056 2003 6 POWERED SUBWOOFER 22056 2003 6 SP DW103 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 5 4 ADJUSTMENT 1 8 5 TROUBLE SHOOTING 1 9 Area suffix B U K E Continental Europe ...

Page 2: ...cy range 30 Hz to 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 230 V 50 Hz Output power of built in amp 100 W 45 Hz 4 Ω 10 THD Power consumption 27 W Dimensions 210 mm width 392 mm height 348 mm depth Mass 10 kg Accessories Monaural audio cord 1 ...

Page 3: ...ack control shafts etc to 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...

Page 4: ...1 4 No 22056 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 5: ...nect the wire connector from the back side of the amplifier assembly See Fig 2 4 Disconnect the speaker wire from the speaker terminal See Fig 2 Fig 1 Fig 2 3 1 2 Removing the back panel See Fig 3 1 From the back side of the main body pull out the volume and frequency knobs 2 Remove the seven screws B attaching the back panel Fig 3 A A A A A Amplifier assembly Amplifier assembly Wire connector Spe...

Page 6: ...Disconnect the wire from the connection CN102 and CN103 on the amplifier board assembly See Fig 6 4 Remove the amplifier board assembly from the connector CN951 and Cn952 on the power supply board assembly See Fig 6 5 Pull out the amplifier board assembly toward you 3 1 5 Removing the power supply board assembly See Fig 6 Prior to performing the following procedures remove the back panel remove th...

Page 7: ...ng the screw H attach the plane and spring washers with them 2 Pull out the bottom plate toward you Fig 7 3 1 7 Removing the woofer See Fig 8 Prior to performing the following procedures remove the bot tom plate 1 Remove the six screws J attaching the woofer 2 Pull out the woofer toward you Fig 8 Spring washer Plane washer H H H J J ...

Page 8: ...1 8 No 22056 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT ...

Page 9: ... No 22056 1 9 SECTION 5 TROUBLE SHOOTING This service manual does not describe TROUBLE SHOOTING ...

Page 10: ...CTION 6 Description of major ICs 6 1 AN79L05 T IC592 Regulator Pin Layout Block Diagram 1 2 3 Starter 2 1 R1 R2 Q1 RSC 3 Common 1 Output 3 Input 2 Voltage Reference Error Amp Terminal Protection Current Limiter Pass Tr ...

Page 11: ...C104 IC501 Dual operation amplifier Pin layout Block diagram 1 2 8 Vcc 7 OUT2 6 IN2 5 IN2 OUT1 1 IN1 2 IN1 3 VEE 4 Q19 Q17 Q16 OTHER CH R9 R6 R8 R7 R5 R4 R3 R2 R1 D1 C1 Q18 Q13 Q11 Q8 Q5 Vcc VEE OUTPUT IN IN Q1 Q3 Q4 Q2 C2 Q9 Q6 Q7 Q10 Q12 Q14 Q15 Q114 ...

Page 12: ...ck Diagram 14 13 12 11 10 9 8 7 6 5 4 3 2 1 I1 O1 I2 O2 I3 O3 Vss VDD I6 O6 I5 O5 I4 O4 9 14 13 12 11 10 7 6 5 4 3 2 1 LO COM VCC VS VB VSS LIN SD HIN VDD 8 16 15 HO VDD HIN SD LIN Vss R Q S R Q R S VB S R Q HO VS VCC LO COM UV DETECT DELAY UV DETECT PULSE FILTER PULSE GEN HV LEVEL SHIFT LEVEL SHIFT VDD VCC LEVEL SHIFT VDD VCC ...

Page 13: ...3 6 5 NJM311M XE IC502 Comparator Pin Layout 6 6 NJM78L05A T IC591 Regulator Pin Layout Block Diagram GND INPUT INPUT V 1 2 3 4 TOP VIEW 8 7 6 5 V BAL STROBE BAL OUTPUT 1 OUTPUT 2 GND 3 INPUT 1 2 3 INPUT GND OUTPUT ...

Page 14: ...C14AF X IC504 IC571 Hex Schmitt inverter Pin layout Block diagram 12 3 45 VIN 4 START REG T S D O V P LATCH O S C DRIVE Vth 1 Comp 1 Vth 2 Comp 2 GND 5 O C P F B 1 S 2 D 3 R4 R3 R1 C1 Iconst R2 Rconst Rconst 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1A 1B 1Y 2A 2B 2Y GND Vcc 4B 4A 4Y 3B 3A 3Y 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1A 1Y 2A 2Y 3A 3Y GND Vcc 6A 6Y 5A 5Y 4A 4Y ...

Page 15: ... No 22056 1 15 ...

Page 16: ... No 22056 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 ...

Page 17: ...03 06 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD SP DW103 SP DW103 Contents Block diagrams Standard schematic diagrams Printed circuit boards 2 1 2 3 2 3 to 5 CD ROM No SML200306 Area suffix B U K E Continental Europe POWERED SUBWOOFER ...

Page 18: ...g on the silk screen printed side 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 ...

Page 19: ...P VARIABLE FIX CUT OFF FILTER SW FREQUENCY VOLUME IC103 1 2 VOLUME PHASE SW NORMAL REVERSE CN151 W1001 ON CANCEL AUTO POWER ON STANDBY SW MAINS PLUG POWER CIRCUIT B W9001 to 4 CN901 IC951 CN951 TRANS T9501 IC501 IC502 IC503 IC504 CN501 Off set VR502 Carrier Freq POWER SUPPLY W9001 to 4 VR501 CN504 POWER AMP SPEAKER OUT IN MUTE Q5902 Q5903 Q5904 REGULATOR RY502 CN503 CN505 IC571 Q5706 IC505 IC506 Q...

Page 20: ...C5023 C5024 C1022 R1025 R5004 R5060 R5061 R5062 C5027 C5028 R5063 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 2SA1037AK BA15218F BA15218F 2SC2412K NQR0129 003X 5 6k 5 6k 20KB 15k 10k 10 35 0 0033 100 BA15218F 4 7 50 1M 47p 4 7 50 4 7k BA15218F 1M QGB2016K1 05 1K 2SC2412K 47 2SA1037AK QGB201...

Page 21: ...5905 D5906 IC591 IC592 C1001 C1002 C1003 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...

Page 22: ...21 Q5901 Q5905 R5909 R5040 R5041 R5042 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 D...

Page 23: ...3 D9504 D9505 D9506 D9507 D9509 D9510 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 ...

Page 24: ...SP DW103 VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 22056SCH Printed in Japan 2003 06 ...

Page 25: ... Contents Exploded view of general assembly and parts list Amp Block No M1 Exploded view of general assembly and parts list Speaker Block No M2 Electrical parts list Block No 01 Packing materials and accessories parts list Block No M3 SP DW103 3 2 3 4 3 6 3 10 Area suffix B U K E Continental Europe 22056 ...

Page 26: ... G A B 45 40 40 40 40 40 44 43 1 2 5 47 7 48 14 15 6 27 41 42 3 16 19 19 17 29 30 32 36 39 22 26 8 11 10 20 C 23 23 24 12 13 46 25 25 21 21 29 4 9 28 28 34 35 37 31 18 33 3 3 Block No M M M 1 Volnme board Regulator board Switch board Terminal board Power switch board Acessories 43 Amp a a ...

Page 27: ...612M TAPPING SCREW 2 6mm x 12mm x2 20 LV33804 002A BKT KNOB 21 QYSBST3006Z TAPPING SCREW 3mm x 6mm x4 22 LV30734 002A KNOB x2 23 E407321 002SM PUSH BUTTON x3 24 LV30225 0H5A SPACER 25 QYSBSF2612M TAPPING SCREW 2 6mm x 12mm x3 26 LV30225 0H5A SPACER 27 LV30225 0E5A SPACER 28 LV30225 0E5A SPACER x2 29 LV30225 0A4A SPACER x2 30 LV30225 074A SPACER 31 LV21342 008A BACK PANEL 32 LV30225 0H4A SPACER 33 ...

Page 28: ...SP DW103 3 4 Exploded view of general assmbly and parts list 10 10 10 10 9 8 9 9 7 9 9 9 11 11 12 12 12 11 11 11 10 2 2 2 5 2 1 10 10 6 3 4 2 2 Block No M M M 2 Speaker ...

Page 29: ...Description Local 1 CR160063 01 SPEAKER 2 7005942502 SCREW x14 3 9000008701 FOOT FRONT R 4 9000008711 FOOT FRONT L 5 9000008801 FOOT x2 6 2810006601 SPACER R 7 2810006611 SPACER L 8 9916011201 BAFFLE ASSY 9 6903540001 PLANE WASHER x8 10 6903640001 SPRING WASHER x8 11 7001542501 SCREW x8 12 5600006901 RUBBER FOOT x4 ...

Page 30: ...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 SI 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 1SS355 X SI DIODE ...

Page 31: ... CAPACITOR 470pF 50V K C9504 QETN1VM 107Z E CAPACITOR 100uF 35V M Symbol No Part No Part Name Description Local 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 QFG32AJ 223Z PP CAPACITOR 0 022uF 100V J C9511 QEHQ1HM 228 E ...

Page 32: ...728 NRSA63J 333X MG RESISTOR 33kΩ 1 16W J 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 Symbol No Part No Part Name Description Local R5733 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R5734 NRSA63J 474X MG RESISTOR 470kΩ 1 16W J R5735 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R...

Page 33: ...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 TH594 NAD0032 330X P THERMISTOR 33Ω TH901 QAD0141 6R0 THERMISTOR 6Ω W1001 QJB001 080706 SIN ID C B WIR W9001 QUB192 0...

Page 34: ...SP DW103 3 10 Packing materials and accessories parts list P3 P1 P4 P4 P7 P6 1 2 1 2 A1A2A3 P2 P5 Block No M M M 3 ...

Page 35: ... ITA DUT A 2 BT 54008 4 WARRANTY CARD A 3 QAM0199 001 PIN CABLE A 4 LV43479 002A CAUTION SHEET A 5 VNA3000 204 REGIST CARD DW10 3B P 1 8500047091 MIRROR MAT P 2 QPA07007505P POLY BAG 70cm x 75cm P 3 8000051301 CUSHION TOP P 4 8000051311 CUSHION BTM P 5 LV31492 031A CARTON P 6 LV33489 007A CARTON SHEET P 7 QPA02503503P POLY BAG 25cm x 35cm ...

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