JVC SP-DW103 Service Manual
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- Instructions manual (10 pages) ,
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- Instructions manual (36 pages)
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SERVICE MANUAL
6
2003
22056
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
POWERED SUBWOOFER
SP-DW103
TABLE OF CONTENTS
Area suffix
B ------------------------------- U.K.
E ----------- Continental Europe
No.22056
2003/6
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Table of Contents
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Summary of Contents for JVC SP-DW103
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Page 1: Table Of Contents
SERVICE MANUAL POWERED SUBWOOFER 22056 2003 SP-DW103 Area suffix B ------------------------------- U.K. E ----------- Continental Europe TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS . - Page 2 SPECIFICATION Type Powered Subwoofer Bass-reflex type, (magnetically shielded type) Speaker unit 16.0 cm cone (× 1) Frequency range 30 Hz to 200 Hz 50 kΩ (LOW-LEVEL) 470 Ω (HIGH-LEVEL) Input impedance Input terminals INPUT 1 (LOW-LEVEL) INPUT 2 (HIGH-LEVEL) Power requirements AC 230 V , 50 Hz 100 W (45 Hz, 4 Ω, 10 % THD) Output power of built-in amp...
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Page 3: Precaution
SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across... -
Page 4: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-4 (No.22056) -
Page 5: Disassembly
SECTION 3 DISASSEMBLY Disassembly method 3.1.1 Removing the Amplifier assembly. Amplifier assembly (See Fig1 and 2.) (1) Remove the eleven screws A attaching the amplifier as- sembly. (See Fig 1.) (2) Remove the amplifier assembly from the main body. (3) Disconnect the wire connector from the back side of the amplifier assembly. - Page 6 3.1.3 Removing the power cord. (See Fig 4 and 5) • Prior to performing the following procedures. remove the back panel. (1) Remove the two screw C attaching the bracket. (See Fig 4) (2) Pull out the bracket toward you. (3) Disconnect the power cord from the connection CN901 on the power supply assembly.
- Page 7 3.1.6 Removing the bottomplate. (See Fig 7.) (1) Remove the eight screws H attaching the bottom plate. Referense: When attaching the screw H. attach the plane and spring washers with them. (2) Pull out the bottom plate toward you. Spring washer Plane washer Fig.7 3.1.7 Removing the woofer.
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Page 8: Adjustment
SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. 1-8 (No.22056) -
Page 9: Trouble Shooting
SECTION 5 TROUBLE SHOOTING This service manual does not describe TROUBLE SHOOTING. (No.22056)1-9... - Page 10 SECTION 6 Description of major ICs AN79L05-T (IC592) : Regulator • Pin Layout • Block Diagram Common Voltage Error Amp. Reference Output Starter Terminal Pass Tr. Protection Current Limiter Input 1-10 (No.22056)
- Page 11 BA15218F-XE (IC101,IC102,IC103,IC104,IC501) : Dual operation amplifier • Pin layout OUT1 1 8 Vcc -IN1 2 7 OUT2 +IN1 3 6 -IN2 VEE 4 5 +IN2 • Block diagram OTHER Q114 OUTPUT (No.22056)1-11...
- Page 12 BU4584BF-X (IC505) : Hex schmitt inverter • Pin layout & Block diagram IR2113S-X (IC506) : Gate driver • Pin Layout VSS LIN HIN VDD LO COM VCC • Block Diagram DETECT LEVEL PULSE SHIFT FILTER LEVEL SHIFT PULSE DETECT LEVEL SHIFT DELAY 1-12 (No.22056)
- Page 13 NJM311M-XE (IC502) : Comparator • Pin Layout (TOP VIEW) +INPUT OUTPUT -INPUT BAL/STROBE NJM78L05A-T (IC591) : Regulator • Pin Layout 1.OUTPUT 2.GND 3.INPUT 1 2 3 • Block Diagram INPUT OUTPUT (No.22056)1-13...
- Page 14 STR-F6676 (IC951) : Switching regulator • Pin Layout • Block Diagram START O.V.P LATCH DRIVE Vth(1) REG. 1 2 3 4 5 O.S.C T.S.D Comp.1 Vth(2) O.C.P./F.B Iconst Comp.2 Rconst+ Rconst- TC74HC00AF-W (IC503) : Quad 2-input NAND gate • Pin layout & Block diagram TC74HC14AF-X (IC504, IC571) : Hex Schmitt inverter •...
- Page 15 (No.22056)1-15...
- Page 16 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.22056) Printed in Japan...
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Page 17: Schematic Diagrams
SP-DW103 SCHEMATIC DIAGRAMS POWERED SUBWOOFER SP-DW103 CD-ROM No.SML200306 Area suffix B ------------------------------- U.K. E ----------- Continental Europe Contents Block diagrams Standard schematic diagrams 2-3 to 5 Printed circuit boards No.22056SCH COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. 2003/06... - Page 18 SP-DW103 In regard with component parts appearing 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 " "...
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Page 19: Block Diagram
SP-DW103 Block diagram AUTO POWER ON / STANDBY SW POWER MAINS IC501 PHASE SW PLUG ON -- CANCEL VOLUME NORMAL-- REVERSE VR501 Off set W9001 to 4 CN151 IC502 W9001 to 4 W1001 POWER-SUPPLY IC503 CIRCUIT IN PUT L / H AMP L.P FILTER /... - Page 20 SP-DW103 SP-DW103 Standard schematic diagram S1501 C1502 0.0033 CN861 R8601 R5034 D8601 D8602 R5021 IC503 TC74HC00AF-W R5028 SPR325MVW R5003 R5011 D5003 QGA2001C1-08 R5013 1SS133 S1001 VR101 R5036 CN151 20KB 4.7k Q5001 2SA1037AK W1001 IC501 IC502 QJB001-080701 BA15218F NJM311M-XE C1003 R1003...
- Page 21 SP-DW103 Printed circuit boards Main board (1/3) (Terminai board) CN101 D1003 W1001 D1002 R1016 IC103 R1041 R1033 C1022 C1021 C1018 R1044 R1001 C1017 C1011 R1032 C1037 R1028 IC102 C1004 J1001 C1023 K1001 C1010 C1008 R1010 IC101 D1001 C1032 IC104 C1033...
- Page 22 SP-DW103 Main board (2/3) (Amp board) R5905 CN505 D5716 R5911 D5013 C5907 C5909 C5711 C5024 L5903 Q5904 D5911 Q5905 RY502 D5703 C5023 R5747 CN102 R5914 L5904 R5906 TH501 L5902 R5057 Q5903 C5908 R5702 R5912 R5743 CN502 R5701 C5022 R5744 L5001...
- Page 23 SP-DW103 Main board (3/3) (Regulator board) EP951 C9512 C9511 C9509 R9518 R9522 C9508 C9507 Q9508 Q9509 R9519 R9523 D9510 D9509 R9526 R9525 Q9510 HS953 HS952 T9501 R9524 R9527 PC951 R9508 R9504 D9506 R9510 D9504 R9529 R9528 IC951 R9503 R9501 W9002...
- Page 24 SP-DW103 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.22056SCH) 2003/06...
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Page 25: Parts List
SP-DW103 PARTS LIST [ SP-DW103 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix B ------------------------------- U.K. E ----------- Continental Europe - Contents - 3- 2 Exploded view of general assembly and parts list(Amp) (Block No.M1) 3- 4 Exploded view of general assembly and parts list( Speaker) (Block No.M2) - Page 26 SP-DW103 Exploded view of general assmbly and parts list (Amp)
- Page 27 SP-DW103 Exploded view of general Assembly and parts list (Amp) Block No. [M][1][M][M] Symbol Part No. Part Name Description Local LV21341-001A SHIELD LV10709-002A COVER LV30225-044A SPACER (x4) LV30225-079A SPACER LV30225-0E4A SPACER LV30225-025A SPACER LV30225-044A SPACER QYSBSG3016E TAPPING SCREW 3mm x 16mm(x2)
- Page 28 SP-DW103 Exploded view of general assmbly and parts list Block No. (Speaker)
- Page 29 SP-DW103 Exploded view of general Assembly and parts list (Speaker) Block No. [M][P][M][M] Symbol Part No. Part Name Description Local CR160063-01 SPEAKER 7005942502 SCREW (x14) 9000008701 FOOT(FRONT/R) 9000008711 FOOT(FRONT/L) 9000008801 FOOT (x2) 2810006601 SPACER(R) 2810006611 SPACER(L) 9916011201 BAFFLE ASSY...
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Page 30: Electrical Parts List
SP-DW103 Electrical parts list Main board Symbol Part No. Part Name Description Local Block No. [0][1][0][0] D5008 M1FL20U-X FR DIODE Symbol Part No. Part Name Description Local D5009 MTZJ18B-T2 Z DIODE D5010 MTZJ18B-T2 Z DIODE D5011 M1FL20U-X FR DIODE... - Page 31 SP-DW103 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local C1028 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C9505 NCB31HK-471X C CAPACITOR 470pF 50V K C1029 NCS31HJ-470X C CAPACITOR 47pF 50V J C9506 QFKB2JK-103 MM CAPACITOR 0.01uF 630V K...
- Page 32 SP-DW103 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local R5004 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R5733 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R5005 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R5734 NRSA63J-474X MG RESISTOR 470kΩ...
- Page 33 SP-DW103 Symbol Part No. Part Name Description Local CN952 QGB2016K1-05 CONNECTOR B-B (1-5) EP951 QNZ0136-001Z EARTH PLATE EP952 QNZ0136-001Z EARTH PLATE HS951 LV33802-001A HEAT SINK1 HS952 E70306-001 HEAT SINK HS953 E70306-001 HEAT SINK HS954 E70306-001 HEAT SINK J1001 QNN0090-001...
- Page 34 SP-DW103 Packing materials and accessories parts list Block No. A1A2A3 3-10...
- Page 35 SP-DW103 Packing&accessories Block No. [M][3][M][M] Symbol Part No. Part Name Description Local ENG GER FRE LVT1030-003A INST BOOK SPA ITA DUT BT-54008-4 WARRANTY CARD QAM0199-001 PIN CABLE LV43479-002A CAUTION SHEET DW10 VNA3000-204 REGIST.CARD 8500047091 MIRROR MAT QPA07007505P POLY BAG...