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Yamaha YST-SW315, Service Manual

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Yamaha YST-SW315 Service Manual Download Page 10

YST-SW315

10

YST-SW315

Schematic Diagram / 

回路図

Test Points / 

テストポイント

POWER DRIVE

PS AMP

IDLING CURRENT

ADJ

DC 10 mV

to

200 mV

A

B

DRIVER

DC 10 mV to 200 mV

Point A

Point B

D29

TP11 (+)

TP12 (-)

D31

MAIN (2) P.C.B.

MAIN (1) P.C.B.

Idling Current Adjustment

R172

Summary of Contents for YST-SW315

Page 1: ...ple 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 exi...

Page 2: ...CTRICAL ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA SON WHATSOEVER Avoid prolonged unprotected contact between solder 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 この製品に使用されているすべての基板のハンダ付けに は Sn Ag Cu 錫 銀 銅 の...

Page 3: ...220 120 110 V 50 60 Hz J model AC 100 V 50 60 Hz Power Consumption 消費電力 U C A B G R T K models 80 W J model 100 W Standby Power Consumption 待機時消費電力 0 5 W Dimension 外形寸法 W x H x D 350 x 430 x 382 mm 13 3 4 x 16 15 16 x 15 1 16 Weight 質量 19 kg 41 lbs 14 oz Finish Cherry Color U C A B G R T K J models Black Color U C A B G R T J models Accessories 付属品 Subwoofer Cable 3 m x 1 J model Speaker cable 4 m...

Page 4: ...9 L R INPUT 1 L R INPUT 2 L R OUTPUT IC10A 7 8 7 6 SW1 PHASE SELECT IC10B 4 3 2 B A S S SELECT SW3 PRE DRIVE Q2 10 Q28 29 POWER DRIVE Q16A C 26A C LIMITER RY1 IC8 Q25 D12 13 19 Q18 21 D6 14 33 34 0 1 Q1C 17C 24A Q27 31 PS AMP Q1A 17A 24C Q30 32 PS AMP B B H P F 12dB oct 12 12 REGULATOR POWER SUPPLY D2 IC6 IC1 F1 POWER SW5 B B POWER SUPPLY D1 STANDBY ON SW4 R T K models only REGULATOR Q207 208 D203...

Page 5: ...YST SW315 5 YST SW315 B G models T model J model K model R model ...

Page 6: ... 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 Fig 2 Fig 1 2 フロントパネルAss yの外し方 a のネジ4本を外します Fig 2 取り外しには六角レンチ 2 5mm を使用します b フロントパネルAss yを引き出し CB4を外します Fig 2 2 Removal of Front Panel Ass y a Remove 4 screws 3 Fig 2 Use an Allen wrench 2 5mm to unscrew the Front Panel Ass y b Pull out the front...

Page 7: ...arrow marks d Remove the cover Fig 3 e Disconnect the connectors CB9 and CB10 Fig 3 When Checking the P C B Connect all the connectors removed during disassembly back to the original positions Spread cloth first and place the rear panel ass y on it Fig 4 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 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 4 Fig 4 Rear Panel Ass y リアパネル Ass y 4 5 5 4 Cover カバー to...

Page 8: ...the unit to the minimum position 3 Turn on the power to the unit 4 Adjust the output level of the signal generator and the volume of the unit so that the output level observed at oscilloscope CH2 is 28 Vp p Waveform observation With the settings made as described above observe the waveform obtained at CH1 for judgment Normal Point A Cathode of D29 V 20V div H 2 msec div DC range 1 1 probe Normal P...

Page 9: ...ts color changes to red after 5 to 10 seconds 3 Turn off the STANDBY ON switch The display LED goes off 4 Set the AUTO STANDBY switch to the HIGH position 5 Turn on the STANDBY ON switch The display LED lights up green and its color remains unchanged even after time have elapsed 6 Turn off the STANDBY ON switch The display LED goes off After confirmation 1 Turn off the power switch 2 Disconnect th...

Page 10: ...15 Schematic Diagram 回路図 Test Points テストポイント POWER DRIVE PS AMP IDLING CURRENT ADJ DC 10 mV to 200 mV A B DRIVER DC 10 mV to 200 mV Point A Point B D29 TP11 TP12 D31 MAIN 2 P C B MAIN 1 P C B Idling Current Adjustment R172 ...

Page 11: ... OF AUTO STANDBY OPERATION R252 add 10kΩ PRINTED CIRCUIT BOARD Foil side Ref No Location D1 J6 D2 J3 D3 H3 D4 H2 D5 H3 D6 F3 D7 E6 D9 I2 D12 E3 D13 F3 D14 F3 D15 H6 D19 E3 D20 G2 D21 F6 D22 G3 D23 G6 D24 H6 D25 G3 D26 G3 D27 G7 D28 G6 D29 G6 D30 F6 D31 F6 D32 F6 D33 F6 D34 F3 D36 I2 IC1 I3 IC3 H7 IC4 B5 IC6 I3 IC8 E2 IC10 C6 IC11 B4 IC201 B5 Q1A F5 Semiconductor Location Ref No Location Q1C H5 Q2 ...

Page 12: ...ANDBY ON MAIN 10 P C B MAIN 10 P C B MAIN 1 P C B MAIN 10 P C B J U C A B G models AC VCC V1 E OR OR GY GY BE BE BE BE BE GR GR BR BR YE YE BL BL RE RE BE BE RE RE BL BL WH WH WH R T K models MAIN 1 P C B MAIN 10 P C B BE BE RE RE BL BL TOVL E MAIN BASS V2 12 12 PWS VCC LEDG E1 LEDR LEDG E1 LEDR PRINTED CIRCUIT BOARD Foil side Semiconductor Location Ref No Location D11 B2 D201 I2 D202 H2 D203 B2 D...

Page 13: ...st be replaced with parts having specifications equal to those originally installed Schematic diagram is subject to change without notice 1 OUT 2 IN 3 COM 1 OUT 2 COM 3 IN INPUT OUTPUT COMMON AC 12 4 AC 27 9 AC 102 4 0 11 9 0 0 0 0 11 9 0 0 11 8 0 0 3 4 3 4 3 4 2 7 0 1 0 1 6 0 0 7 0 0 0 11 8 0 0 0 0 4 0 0 1 7 9 6 8 6 7 4 0 0 0 0 0 7 7 3 7 9 0 1 0 1 1 9 0 0 5 8 1 4 11 8 11 9 0 0 0 0 0 0 1 9 5 9 6 6...

Page 14: ...ET 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 EMIT LIGHT EMITTING MODULE LED DSPLY LED DISPLAY LED INFRD LED INFRARED MODUL RF MODULATOR RF PHOT CPL PHOTO COU...

Page 15: ...EL 47uF 63V ケミコン 01 C13 UR877470 C EL 47uF 63V ケミコン 01 C14 UR867100 C EL 10uF 50V ケミコン 01 C15 V8584600 C PP 220pF 630V ＰＰコン C16 WB540200 C POL MTL 0 1uF ECQE2104KF3 メタライズドポリコン C17 UA655820 C MYLAR 0 82uF 50V マイラーコン 01 C18 V6092500 C EL 8200uF 80V 電解コンデンサ 09 C19 V6092500 C EL 8200uF 80V 電解コンデンサ 09 C20 UR848470 C EL 470uF 25V ケミコン 01 C21 UR848470 C EL 470uF 25V ケミコン 01 C22 UR838100 C EL 100uF 16V ケミ...

Page 16: ... 01 C209 UR867100 C EL 10uF 50V ケミコン 01 C210 VA761000 C CE 22pF 50V RTKBG セラコン 01 C211 UA655390 C MYLAR 0 39uF 50V マイラーコン 01 C212 VE326400 C MYLAR ML 0 22uF 50V 積層マイラーコン 01 C213 UR837470 C EL 47uF 16V ケミコン 01 C214 UA655470 C MYLAR 0 47uF 50V マイラーコン 01 C217 VA777700 C CE 220pF 50V RTKBG セラコン 01 C218 UA654470 C MYLAR 0 047uF 50V マイラーコン 01 C219 FG644100 C CE 0 01uF 50V セラコン 01 C220 UR867100 C EL 10uF...

Page 17: ... ダイオード 01 D25 V6934100 DIODE EL02ZLF H5K ダイオード 01 D26 V6934100 DIODE EL02ZLF H5K ダイオード 01 D27 VD631600 DIODE 1SS133 176 ダイオード 01 D28 VP779200 DIODE S2L20U ダイオード 01 D29 VP779200 DIODE S2L20U ダイオード 01 D30 VP779200 DIODE S2L20U ダイオード 01 D31 VP779200 DIODE S2L20U ダイオード 01 D32 VD631600 DIODE 1SS133 176 ダイオード 01 D33 VD631600 DIODE 1SS133 176 ダイオード 01 D34 VD631600 DIODE 1SS133 176 ダイオード 01 D36 VU264100 D...

Page 18: ...Y トランジスタ 05 Q18 iC1815I0 TR 2SC1815 Y トランジスタ 01 Q19 iA1015I0 TR 2SA1015 Y トランジスタ 01 Q20 iC224030 TR 2SC2240 GR BL トランジスタ 01 Q21 iA097030 TR 2SA970 GR BL トランジスタ 01 Q22 iA097030 TR 2SA970 GR BL トランジスタ 01 Q23 iC224030 TR 2SC2240 GR BL トランジスタ 01 Q24A iX632610 TR 2SA1837 O Y トランジスタ 02 Q24C iX632620 TR 2SC4793 O Y トランジスタ 02 Q25 V3028000 FET 2SK304 E ＦＥＴ 01 Q26A iX632610 TR 2SA1837 O Y トランジスタ 02 Q26C iX6...

Page 19: ... HV755120 R CAR FP 120Ω 1 4W 不燃化カーボン抵抗 01 R69 HV756330 R CAR FP 3 3KΩ 1 4W 不燃化カーボン抵抗 01 R79 HV755680 R CAR FP 680Ω 1 4W 不燃化カーボン抵抗 01 R80 HV755150 R CAR FP 150Ω 1 4W 不燃化カーボン抵抗 01 R105 HV754100 R CAR FP 10Ω 1 4W 不燃化カーボン抵抗 01 R107 HV756220 R CAR FP 2 2KΩ 1 4W 不燃化カーボン抵抗 01 R113 HB027200 R MTL FLM 20KΩ 1 4W 金属被膜抵抗 R115 HV754220 R CAR FP 22Ω 1 4W 不燃化カーボン抵抗 01 R117 HV754220 R CAR FP 22Ω 1 4W 不燃化カーボン抵抗 01...

Page 20: ...F85 8220 270 kΩ HF45 8270 HF45 8270 300 kΩ HF45 8300 HF45 8300 330 kΩ HF45 8330 HF45 8330 390 kΩ HJ35 8390 HF85 8390 470 kΩ HF45 8470 HF45 8470 560 kΩ HJ35 8560 HF85 8560 680 kΩ HJ35 8680 HF85 8680 820 kΩ HJ35 8820 HF85 8820 1 0 MΩ HF45 9100 HF45 9100 1 2 MΩ HJ35 9120 1 5 MΩ HJ35 9150 HF85 9150 1 8 MΩ HJ35 9180 HF85 9180 2 2 MΩ HJ35 9220 HF85 9220 3 3 MΩ HJ35 9330 HF85 9330 3 9 MΩ HJ35 9390 4 7 MΩ...

Page 21: ... EP600280 BIND HEAD P TITE SCREW 3x8 MFZN2Y バインドＰタイトネジ 01 4 1 1 WB373300 PCB ASS Y MAIN J ＰＣＢ ＭＡＩＮ 4 1 1 WB373400 PCB ASS Y MAIN UC ＰＣＢ ＭＡＩＮ 4 1 1 WB373500 PCB ASS Y MAIN RTK ＰＣＢ ＭＡＩＮ 4 1 1 WB373600 PCB ASS Y MAIN A ＰＣＢ ＭＡＩＮ 4 1 1 WB373700 PCB ASS Y MAIN BG ＰＣＢ ＭＡＩＮ 5 WB258800 BASE ベース 6 V2729700 EMBLEM A エンブレムＡ 09 7 V7324600 BUSH ブッシュ 8 V6933900 FERRITE CORE ESD 2 25SD UC フェライトコア 20 WA206700 BIND...

Page 22: ...R RTK 電源トランス s 4 5 XY291C00 POWER TRANSFORMER A 電源トランス s 4 5 XY292C00 POWER TRANSFORMER BG 電源トランス s 4 7 V5520700 ROCKER SWITCH JW M11RKK UCS TV 5 ロッカＳＷ 06 4 8 CB069250 BINDING TIE BK 1 束線止め 01 4 11 WB276900 REAR PANEL J リアパネル 4 11 WB277000 REAR PANEL UC リアパネル 4 11 WB277100 REAR PANEL RTK リアパネル 4 11 WB277200 REAR PANEL A リアパネル 4 11 WB277300 REAR PANEL BG リアパネル 4 18 WB249900 COVER カバー 4 19 WB377300 ...

Page 23: ...YST SW315 ...

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