Yamaha YST-SW011 Service Manual
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Also See for YST-SW011:
- Owner's manual (12 pages) ,
- Owner's manual (10 pages) ,
- Service manual (18 pages)
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YST-SW011
I CONTENTS
TO SERVICE PERSONNEL .......................................... 2
SPECIFICATIONS / εθδ»ζ§ ........................................ 3
INTERNAL VIEW ........................................................... 4
REAR PANELS .......................................................... 5~6
DISASSEMBLY PROCEDURES / ε解ζι ............. 7~8
1 0 0 9 4 4
SUBWOOFER SYSTEM
SERVICE MANUAL
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA
Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry,
and more specifically YAMAHA Products, are already known and
understood by the users, and have therefore not been restated.
WARNING:
Failure to follow appropriate service and safety
procedures when servicing this product may result in
personal injury, destruction of expensive components,
and failure of the product to perform as specified. For
these reasons, we advise all YAMAHA product owners
that any service required should be performed by an
authorized YAMAHA Retailer or the appointed service
representative.
IMPORTANT:
The presentation or sale of this manual to any individual
or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or
establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s)
indicated on the cover. The research, engineering, and service departments
of YAMAHA are continually striving to improve YAMAHA products.
Modifications are, therefore, inevitable and specifications are subject to
change without notice or obligation to retrofit. Should any discrepancy
appear to exist, please contact the distributor's Service Division.
WARNING:
Static discharges can destroy expensive components.
Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in
the unit (heavy gauge black wires connect to this buss).
IMPORTANT:
Turn the unit OFF during disassembly and part
replacement. Recheck all work before you apply power
to the unit.
BLOCK DIAGRAM ......................................................... 8
PRINTED CIRCUIT BOARD .......................................... 9
SCHEMATIC DIAGRAM .............................................. 10
PARTS LIST ........................................................... 11~17
P.O.Box 1, Hamamatsu, Japan
'05.02
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Summary of Contents for Yamaha YST-SW011
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Page 1: Table Of Contents
YST-SW011 SERVICE MANUAL IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated. -
Page 2: To Service Personnel
YST-SW011 I TO SERVICE PERSONNEL AC LEAKAGE WALL EQUIPMENT TESTER OR OUTLET UNDER TEST EQUIVALENT 1. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only) -
Page 3: Specifications / εθδ»ζ§
Advanced Yamaha Active Servo Technology is a unique system to let the speaker unit have a per- Type / 型式 ..Advanced Yamaha Active Servo Technology fectly linear motion by the speaker Output Power / 出力 (100 Hz, 5 ohms, 10% T.H.D.) and amplifier combination. -
Page 4: Internal View
YST-SW011 I INTERNAL VIEW Rear Panel 1 MAIN (3) P.C.B. 2 MAIN (1) P.C.B. 3 MAIN (6) P.C.B. 4 MAIN (7) P.C.B. (U, C, A, B, G, J models) MAIN (10) P.C.B. (R, T, K, L models) 5 Power Transformer 6 MAIN (9) P.C.B. -
Page 5: Rear Panels
YST-SW011 I REAR PANELS U, C models R model POWER INDICATOR POWER INDICATOR T model K model POWER INDICATOR POWER INDICATOR... - Page 6 YST-SW011 A model B, G models POWER INDICATOR POWER INDICATOR L model J model POWER INDICATOR POWER INDICATOR...
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Page 7: Disassembly Procedures / ε解ζι
YST-SW011 I DISASSEMBLY PROCEDURES / 分解手順 (Remove parts in the order as numbered.) （番号順に部品を取り外してください。） Disconnect the power cable from the AC outlet. AC電源コンセントから、電源コードを抜いてください。 1. スピーカーユニットの外し方 1. Removal of Driver a. ①のネジ4本を外し、ベースを取り外します。 （Fig. 1） a. Remove 4 screws (1) and then remove the Base. (Fig. 1) b. -
Page 8: Block Diagram
YST-SW011 When Checking the P.C.B.: P.C.B.チェックをする場合には ・ 分解の際に外したコネクターをすべて元通りに接続しま • C o n n e c t a l l t h e c o n n e c t o r s r e m o v e d d u r i n g す。... -
Page 9: Printed Circuit Board
YST-SW011 MAIN (1) P. C. B. (Lead Type Device) I PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used MAIN (3) P. C. B. (Lead Type Device) DRIVER VOLUME INPUT MAIN Circuit No. U, C, A, B, G, J R, T, K, L... -
Page 10: Schematic Diagram
YST-SW011 I SCHEMATIC DIAGRAM POWER AMP. MAIN (3) MAIN (1) L.P.F. 14.4 -14.2 LIMITER 33.0 INPUT 32.6 32.9 L.P.F. -0.7 -14.2 H.P.F. 14.5 VOLUME -1.8 (J, U, C, R, T, L) L=450 (K, A, B, G) L=520 DRIVER 14.4 -14.3 PROTECTION -1.8... -
Page 11: Parts List
YST-SW011 PARTS LIST I ELECTRICAL PARTS I WARNING Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. Carbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL PARTS List. For the parts No. of the carbon resistors, refer to last page. - Page 12 YST-SW011 P.C.B. MAIN Schm Ref. PART NO. Description Remarks Markets 部 品 名 Rank WC785400 P.C.B. MAIN PCB メイン WC785500 P.C.B. MAIN PCB メイン WD874200 P.C.B. MAIN PCB メイン WC785600 P.C.B. MAIN PCB メイン VG879900 CN.BS.PIN ベースピン VB390100 CN.BS.PIN ベースピン WC050700 CLIP.FUSE EYF52BCY RTKL ヒューズクリップ WC050700 CLIP.FUSE...
- Page 13 YST-SW011 P.C.B. MAIN Schm Ref. PART NO. Description Remarks Markets 部 品 名 Rank VC971500 DIODE.BRG RBV-402 4A 200V ダイオード VG440900 DIODE.ZENR MTZJ15C ツェナーダイオード VG440900 DIODE.ZENR MTZJ15C ツェナーダイオード VD631600 DIODE 1SS133,176 ダイオード VD631600 DIODE 1SS133,176 ダイオード VD631600 DIODE 1SS133,176 ダイオード VG442500 DIODE.ZENR MTZJ24B ツェナーダイオード...
- Page 14 YST-SW011 P.C.B. MAIN Schm Ref. PART NO. Description Remarks Markets 部 品 名 Rank WA789600 SCR.TERM スクリューターミナル WA789600 SCR.TERM スクリューターミナル WA789600 SCR.TERM スクリューターミナル WD018300 SW.PUSH PS4E-A-040 U.C.S プッシュSW WC906700 SW.SLIDE SDKPA40300 RTKL スライドSW VT658100 TERM.WRAP 352-TX119 ラッピング端子 VT658100 TERM.WRAP 352-TX119 ラッピング端子 WC595500 VR A 5KΩ...
- Page 15 YST-SW011 Parts List for Carbon Resistors Value 1/4W Type Part No. 1/6W Type Part No. Value 1/4W Type Part No. 1/6W Type Part No. 1.0 Ω 3100 3100 10 kΩ 7100 7100 HJ35 HF85 HF45 HF45 1.8 Ω ❊ 3180 11 kΩ...
- Page 16 YST-SW011 I EXPLODED VIEW 4-20 4-34 4-17 4-19 4-38 4-32 4-24 4-34 4-34 4-35 4-11 4-38 4-1 (1) 4-31 4-33 4-16 4-34 4-23 4-18 4-1 (7) U, C, A, B, G, J models 4-24 4-1 (10) R, T, K, L models...
- Page 17 YST-SW011 I MECHANICAL PARTS Schm Ref. PART NO. Description Remarks Markets 部 品 名 Rank WE873800 CABINET ASS'Y キャビネットASSY WE873600 CABINET ASS'Y キャビネットASSY WE873400 CABINET ASS'Y キャビネットASSY X5399A00 DRIVER, WOOFER 20cm 6Ω JA2025 スピーカーユニット WC785400 P.C.B. ASS'Y MAIN PCB メイン WC785500 P.C.B. ASS'Y MAIN PCB メイン...
- Page 18 YST-SW011...