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YST-SW011

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.

CONTENTS

TO SERVICE PERSONNEL .......................................... 2
SPECIFICATIONS / 

参考仕様

........................................ 3

INTERNAL VIEW ........................................................... 4
REAR PANELS .......................................................... 5~6
DISASSEMBLY PROCEDURES

 / 

分解手順

............. 7~8

BLOCK DIAGRAM ......................................................... 8
PRINTED CIRCUIT BOARD .......................................... 9
SCHEMATIC DIAGRAM .............................................. 10
PARTS LIST ........................................................... 11~17

 '05.02

1 0 0 9 4 4

P.O.Box 1, Hamamatsu, Japan

SERVICE  MANUAL

SUBWOOFER SYSTEM

YST-SW011

Summary of Contents for YST-SW011

Page 1: ... 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 discre...

Page 2: ... and your skin When soldering do not inhale solder fumes or expose eyes to solder flux vapor If you come in contact with solder or components located inside the enclosure of this product wash your hands before handling food Leakage current must not exceed 0 5mA Be sure to test for leakage with the AC plug in both polarities About Lead Free Solder 無鉛ハンダについて Side A Side B SMT REFLOW Process MI FLOW ...

Page 3: ... 22 lbs 1 oz Finish Cherry Color R T K A B G L J models Black Color U C R T A B G L J models Silver Color U C R T K A B G L J models Accessories 付属品 Subwoofer Cable 5 m x 1 Nonskid Pad x 4 Specifications are subject to change without notice due to product improvements 参考仕様および外観は予告なく変更されることがあります U U S A model C Canadian model R General model T Chinese model K Korean model A Australian model B Briti...

Page 4: ...TERNAL VIEW 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 R T K L models 7 MAIN 2 P C B 8 MAIN 4 P C B 1 2 5 7 6 3 4 8 Rear Panel ...

Page 5: ...YST SW011 5 YST SW011 T model K model REAR PANELS R model U C models POWER INDICATOR POWER INDICATOR POWER INDICATOR POWER INDICATOR ...

Page 6: ...YST SW011 6 YST SW011 J model B G models L model A model POWER INDICATOR POWER INDICATOR POWER INDICATOR POWER INDICATOR ...

Page 7: ...y a Remove 8 screws 3 Fig 2 Screws 3 are identified with arrow marks b Pull out the rear panel ass y Fig 2 1 1 2 2 Connector コネクター Driver スピーカーユニット Base ベース 3 3 Rear Panel Ass y リアパネル Ass y 1 Removal of Driver a Remove 4 screws 1 and then remove the Base Fig 1 b Remove 4 screws 2 and then remove the Driver Fig 1 c Disconnect the connector connected to the terminal of the Driver Fig 1 1 スピーカーユニットの外...

Page 8: ... Fig 3 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 す 絶縁のためにゴムシートと布を敷き その上にリアパネル Ass yを置いてチェックします Fig 3 Fig 3 Rubber Sheet and Cloth ゴムシートと布 BLOCK DIAGRAM IC4A IC5A IC5B IC1 2 3 4 L P F 6dB oct L P F 12dB oct H P F 12dB oct IC3 DRIVER INPUT PJ1 VR1 VOLUME POWER AMP RY1 PROTECTION POWR SUPPLY D1 F1 T1 POWER SW1 4 8 2 2 6 1 2 9 8 10 B B B B IC2 Q16 D19 21 Q5 6 7 8 D4 5 22 23 R28 0 1 15 15 Q9 D2 REGUL...

Page 9: ... models R T K L models U C A B G J models R T K L models R T K L models VOLTAGE SELECTOR Power Transformer Power Transformer RE RE RE RE BL BL WH RE VOLUME INPUT POWER INDICATOR POWER ON OFF Circuit No U C A B G J R T K L F2 X O CB4 5 X O SW2 X O W7 X O W8 X O W9 X O W10 X O Ref no Location D1 I2 D2 H4 D3 I4 D4 E3 D5 F3 D6 G2 D7 F2 Semiconductor Location Ref no Location D19 G3 D20 F3 D21 F3 D22 E3...

Page 10: ... Schmidt circuit Power supply ON OFF detecting circuit Discharging circuit 5 Substrate Overcurrent detecting circuit OR circuit Current voltage detecting circuit GND Relay drive circuit IC2 4 5 µPC4570HA Dual OP Amp Vcc Vo1 Vm1 Vm1 VEE Vm2 Vm2 Vo2 Vcc 1 2 3 4 5 6 7 8 9 1 2 0 0 0 0 0 0 1 0 1 0 14 2 14 4 14 2 1 8 0 14 4 0 0 0 0 0 0 14 5 0 0 0 14 3 0 0 0 0 0 0 1 0 0 0 0 2 0 2 0 32 6 14 5 1 2 1 8 1 1 ...

Page 11: ... DIODE ZENR ZENER DIODE DSCR CE CERAMIC DISCRIMINATOR FER BEAD FERRITE BEADS FER CORE FERRITE CORE FET CHP CHIP FET FL DSPLY FLUORESCENT DISPLAY FLTR CE CERAMIC FILTER FLTR COMB COMB FILTER MODULE FLTR LC RF LC FILTER EMI GND MTL GROUND PLATE GND TERM GROUND TERMINAL HOLDER FUS FUSE HOLDER IC PRTCT IC PROTECTOR JUMPER CN JUMPER CONNECTOR JUMPER TST JUMPER TEST POINT L DTCT LIGHT DETECTING MODULE L...

Page 12: ...L 100uF 16V ケミコン 01 C16 UR867100 C EL 10uF 50V ケミコン 01 C17 VE326200 C MYLAR ML 0 15uF 50V 積層マイラーコン C18 UA654680 C MYLAR 0 068uF 50V JUCABG マイラーコン 02 C18 UA654330 C MYLAR 0 033uF 50V RTKL マイラーコン 01 C19 FG652100 C CE 100pF 50V セラコン 01 C20 UR837470 C EL 47uF 16V ケミコン 01 C21 UR837470 C EL 47uF 16V ケミコン 01 C22 UR867220 C EL 22uF 50V ケミコン 01 C23 UR865470 C EL 0 47uF 50V ケミコン 01 C24 UR828220 C EL 220uF 1...

Page 13: ...Q1 iC224030 TR 2SC2240 GR BL トランジスタ 01 Q2 iA097030 TR 2SA970 GR BL トランジスタ 01 Q5 WB228800 TR 2SCKTC3198 Y AT トランジスタ Q6 WB228700 TR 2SAKTA1266 Y AT トランジスタ Q7 WB228800 TR 2SCKTC3198 Y AT トランジスタ Q8 WB228700 TR 2SAKTA1266 Y AT トランジスタ Q9 V6896700 TR 2SD2531 トランジスタ 03 Q10 V6896500 TR 2SB1642 トランジスタ 04 Q16 V3028000 FET 2SK304 E FET 01 R1 HV756270 R CAR FP 2 7KΩ 1 4W 不燃化カーボン抵抗 01 R5 HV756120 R CAR FP 1 2KΩ...

Page 14: ...ミナル s SW1 WD018300 SW PUSH PS4E A 040 U C S プッシュSW 03 s SW2 WC906700 SW SLIDE SDKPA40300 RTKL スライドSW TE1 VT658100 TERM WRAP 352 TX119 ラッピング端子 01 TE2 VT658100 TERM WRAP 352 TX119 ラッピング端子 01 VR1 WC595500 VR A 5KΩ ロータリーVR 04 WD192100 CUSHION クッション 01 P C B MAIN Schm Ref PART NO Description Remarks Markets 部 品 名 Rank New Parts 新規部品 ...

Page 15: ...pe Part No 1 0 Ω HJ35 3100 HF85 3100 1 8 Ω HJ35 3180 2 2 Ω HJ35 3220 HF85 3220 3 3 Ω HJ35 3330 HF85 3330 4 7 Ω HJ35 3470 HF85 3470 5 6 Ω HJ35 3560 HF85 3560 10 Ω HF45 4100 HF45 4100 15 Ω HJ35 4150 HF85 4150 22 Ω HF45 4220 HF45 4220 27 Ω HJ35 4270 HF85 4270 33 Ω HF45 4330 HF45 4330 39 Ω HJ35 4470 HF85 4390 47 Ω HF45 4470 HF45 4470 56 Ω HF45 4560 HF45 4560 68 Ω HF45 4680 HF45 4680 75 Ω HF45 4750 HF4...

Page 16: ... 1 1 6 5 21 21 21 3 4 4 1 4 35 2 4 1 4 4 4 32 4 34 4 34 4 38 4 3 4 19 4 21 4 18 4 2 4 5 4 20 4 16 4 31 4 33 4 1 4 11 6 4 1 1 4 34 4 34 4 34 4 38 21 4 11 4 24 4 24 4 23 4 17 4 1 7 4 1 9 4 28 201 21 202 R T K L models U C A B G J models 4 1 10 R T K L models ...

Page 17: ...2750 CORD STOPPER SR 4N 4 コードストッパー 01 4 5 WB408000 BINDING TIE GT 100M HUA WEI インシュロックタイ 4 11 WE875600 REAR PANEL J リアパネル 4 11 WE875700 REAR PANEL UC リアパネル 4 11 WE875800 REAR PANEL RTKL リアパネル 4 11 WE875900 REAR PANEL A リアパネル 4 11 WE876000 REAR PANEL BG リアパネル 4 16 WC738200 POWER KNOB パワーノブ 01 4 17 WC757900 VOLUME KNOB ボリュームノブ 01 4 18 WC738400 COVER P SW カバー P SW 4 19 WC738100 COVER 46X114 カバー 46X11...

Page 18: ...YST SW011 ...

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