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YST-SW800

YST-SW800

Schm
Ref.

PART NO.

Description

New Parts

*

Schm
Ref.

PART NO.

Description

New Parts

*

18

P.C.B. MAIN

D20

VU264100 DIODE

1SR139‑400

D21

VU264100 DIODE

1SR139‑400

D22

VU264100 DIODE

1SR139‑400

D23

VU264100 DIODE

1SR139‑400

D24

VP779200 DIODE

S2L20U

D25

VP779200 DIODE

S2L20U

D26

VP779200 DIODE

S2L20U

D27

VP779200 DIODE

S2L20U

D28

iF004600 DIODE

1SS133

D29

iF004600 DIODE

1SS133

D30

iF004600 DIODE

1SS133

D31

iF004600 DIODE

1SS133

D32

iF004600 DIODE

1SS133

D33

iF004600 DIODE

1SS133

D34

VG440200 DIODE.ZENR MTZJ12B   12V

D35

iF004600 DIODE

1SS133

D36

iF004600 DIODE

1SS133

* D39

VS079300 LED

SPR‑39MVW

D40

iF004600 DIODE

1SS133

D43

iF004600 DIODE

1SS133

* D44

V6591600 DIODE

EL02Z

Z

D47

V5877300 DIODE

FMU‑34S

Z

D48

V5877400 DIODE

FMU‑34R

Z

* D49

VN399400 DIODE

FMU‑12R 5A 200V

Z

* D50

VN399300 DIODE

FMU‑12S 5A 200V

IC1

XB247A00 IC

uPC4570HA

IC2

XB247A00 IC

uPC4570HA

IC3

XF663A00 IC

uPC1237HA

IC4

XB247A00 IC

uPC4570HA

IC5

XP741A00 IC

M51848L

IC6

XB247A00 IC

uPC4570HA

IC7

XB247A00 IC

uPC4570HA

IC8

XJ602A00 IC

NJM78M12FA

IC9

XD343A00 IC

NJM79M12FA

IC11

XM922A00 IC

NJM4558L

L1

V5058100 COIL

120uH

L2

V5058100 COIL

120uH

L3

V5058100 COIL

120uH

L4

V5058100 COIL

120uH

L5

VU038200 COIL

0.95uH

PJ1

V6415800 JACK.PIN

2P RJ‑1060‑01‑0500

Q1

VQ116600 TR.PAIR

2SA1837/C4793 O,Y

Q2

VQ116600 TR.PAIR

2SA1837/C4793 O,Y

Q3

VQ116600 TR.PAIR

2SA1837/C4793 O,Y

Q4

VQ116600 TR.PAIR

2SA1837/C4793 O,Y

Q5

iA097030 TR

2SA970  GR,BL

Q6

iC1815M0 TR

2SC1815 Y,GR

Q7

iC1815M0 TR

2SC1815 Y,GR

Q8

iA097030 TR

2SA970  GR,BL

Q9

iA097030 TR

2SA970  GR,BL

Q10

iA101590 TR

2SA1015 O,Y

Q11

V5876800 TR

2SA1689 E,F

Q12

V5876900 TR

2SC4449 E,F

Q15

V5876800 TR

2SA1689 E,F

# Q16

V5877200 FET

2SK2378

# Q17

V5877000 FET

2SJ406

# Q18

V5877200 FET

2SK2378

# Q19

V5877000 FET

2SJ406

Q20

iA097030 TR

2SA970  GR,BL

Q21

iC224030 TR

2SC2240 GR,BL

# Q22

V5877200 FET

2SK2378

# Q23

V5877000 FET

2SJ406

# Q24

V5877200 FET

2SK2378

# Q25

V5877000 FET

2SJ406

Q26

V5876900 TR

2SC4449 E,F

Q27

V5876800 TR

2SA1689 E,F

Q28

iA097030 TR

2SA970  GR,BL

Q29

iA101590 TR

2SA1015 O,Y

Q30

iC1815M0 TR

2SC1815 Y,GR

Q31

iC224030 TR

2SC2240 GR,BL

Q32

V3028000 FET

2SK304  E

Q33

iA097030 TR

2SA970  GR,BL

Q34

iA097030 TR

2SA970  GR,BL

Q35

iC287820 TR

2SC2878 A,B

Q36

iC287820 TR

2SC2878 A,B

Q37

iC224030 TR

2SC2240 GR,BL

# Q39

VC398100 TR

2SC1846 S

Q40

V5876900 TR

2SC4449 E,F

Q41

iC224030 TR

2SC2240 GR,BL

R1

VF459100 R.MTL.FLM

2.2KΩ    1/4W

R3

HV755220 R.CAR.FP

220Ω     1/4W

R4

HV755560 R.CAR.FP

560Ω     1/4W

R5

HV755220 R.CAR.FP

220Ω     1/4W

R6

HV754330 R.CAR.FP

33Ω      1/4W

R9

VH009600 R.MTL.FLM

100KΩ    1/4W

R10

HV755270 R.CAR.FP

270Ω     1/4W

R11

HV755330 R.CAR.FP

330Ω     1/4W

R12

HV755100 R.CAR.FP

100Ω     1/4W

R13

HV755100 R.CAR.FP

100Ω     1/4W

R14

HV756330 R.CAR.FP

3.3KΩ    1/4W

R15

HV755270 R.CAR.FP

270Ω     1/4W

R20

HV756470 R.CAR.FP

4.7KΩ    1/4W

R23

HV754100 R.CAR.FP

10Ω      1/4W

R24

HV754100 R.CAR.FP

10Ω      1/4W

R25

HV754100 R.CAR.FP

10Ω      1/4W

R26

HV754100 R.CAR.FP

10Ω      1/4W

R27

HV755820 R.CAR.FP

820Ω     1/4W

R28

HV755820 R.CAR.FP

820Ω     1/4W

R29

HV754150 R.CAR.FP

15Ω      1/4W

R30

V5875400 R.WW

0.1Ω     5W

R31

V5875400 R.WW

0.1Ω     5W

R32

HV754150 R.CAR.FP

15Ω      1/4W

R33

HV755820 R.CAR.FP

820Ω     1/4W

R34

HV755820 R.CAR.FP

820Ω     1/4W

R35

V5875400 R.WW

0.1Ω     5W

R36

V5875400 R.WW

0.1Ω     5W

Note) Those parts marked with “#” are not included in the P.C.B. ass'y.

Содержание YST-SW800

Страница 1: ...ablish 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 discrepanc...

Страница 2: ...LDER ELECTRICAL ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON 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 1 Leakage current must not exceed 0 5...

Страница 3: ...YST SW800 YST SW800 REAR PANEL 2 U C models A model B G models ...

Страница 4: ... screws w and then remove the Base Ass y in Fig 2 b Remove 8 screws e and then remove the Loud Speaker in Fig 2 3 Removal of Rear Panel Ass y Remove 16 screws r in Fig 3 Arrow marks are printed to identify the screws to be removed Installation of emblem 1 Put the emblem into the cabinet at the specified posi tion 2 Place a piece of cloth wood on top of the emblem 3 Using a mallet hammer the emblem...

Страница 5: ...ear panel only would not be sufficient for its secure installation Precaution for installation of power cord After connecting the power cord be sure to apply the rapid cures bond such as 5 minute epoxy to the cord stopper as shown in Fig 4 Bond application diagram Fig 4 Dimensions Units mm inch Apply rapid cures bond Apply rapid cures bond between the switch and rear panel Glue List Place Name Cor...

Страница 6: ...e stabilized power source to B B and GND lines of the power amplifier c Connect the terminal of the oscilloscope to the circuit between q in the figure and GND d Remove CB1 Main 2 P C B e Connect the output of the signal generator to the circuit between the lead on the side of C1 and GND f Set the frequency of the signal generator to the 100Hz sine wave and the output level to the minimum level g ...

Страница 7: ... range a b 1 0 0 1 CAUTION Electric potential is always applied to the ground side of the oscilloscope Be careful so that no other part comes in contact with it Caution for operation check of the SW power supply section and the power amplifier As a high voltage is applied to the SW power supply section and the power amplifier be careful not to receive an electric shock V 50V div H 10 µsec div AC r...

Страница 8: ...unconnected Setting 1 Set the signal generator to the sine wave 100Hz and minimum output level settings 2 Set the volume of YST SW800 to the minimum position 3 Turn on the power to YST SW800 4 Adjust the output level of the signal generator and the volume of YST SW800 so that the output level observed at oscilloscope CH2 is 70Vp p Waveform observation With the settings made as described above obse...

Страница 9: ...YST SW800 YST SW800 8 Schematic Diagram Test Points Q18 Q16 Q22 Q24 Q39 Q25 Q23 Q17 Q19 B GND B Main 1 P C B DC 50mV to 250mV Point A Point B IDLING CURRENT ADJ DC 50mV to 250mV A B RE WH ...

Страница 10: ... Foil side 9 8 1 RE BL RE TO POWER 1 201 BE BL BE TO POWER 1 202 B A Q19 Q17 Q23 Q25 Q39 Q24 Q22 Q16 Q18 MAIN 1 P C B 12 12 FROM MAIN 2 B1 E B1 FROM MAIN 2 FROM MAIN 2 DR OUT DR AYST V1 RE WH TO SPEAKER IDLING CURRENT ADJ DC 50mV to 250mV IDLING TEST POINT ...

Страница 11: ... Foil side 10 8 1 9 1 9 1 9 1 MAIN 2 P C B B1 E B1 TO MAIN 1 10 W10 FROM MAIN 4 MA1 E TOVL 12 12 LIM MA2 FROM MAIN 5 TVOL E MAIN V2 12 12 PWS VCC 12 12 TO MAIN 1 12 W12 FROM MAIN 4 SWL SWH2 SWH1 SO TO POWER 1 2 W2 VCC V1 E DR OUT DR AYST V1 TO MAIN 1 11 W11 ...

Страница 12: ...1 1 9 MAIN 4 P C B BASS PHASE AUTO STANDBY INPUT 2 B G only R L OUTPUT INPUT 1 MA2 LIM 12 12 TOVL E MA1 TO MAIN 2 1 W1 SWL SWH2 SWH1 SO TO MAIN 3 4 W4 1 9 VCC PWS 12 12 V2 MAIN E TOVL FROM MAIN 2 VOLUME HIGH CUT STANDBY ON MAIN 5 P C B OR GY TO POWER 1 POWER 2 P C B POWER ...

Страница 13: ...TO POWER 2 OR GY FROM POWER CORD B1 E B1 FROM MAIN 2 RE BL RE BE BL BE FROM MAIN 1 POWER 1 P C B C D J U C only A B G only A B G only Point C Pin 1 of CB201 V 50V div H 10 µsec div DC range 1 1 probe 0V Point D Pin 1 of CB202 V 10V div H 10 µsec div DC range 1 1 probe 0V ...

Страница 14: ...INPUT 2 L R OUTPUT IC6A 4 3 2 SW2 PHASE SELECT IC6B L P F 12dB oct 6 8 BASS SELECT SW4 PRE DRIVE Q5 12 POWER DRIVE Q39 3A C Q16 19 A N I C LIMITER RY3 IC1 2 Q32 D32 33 35 Q28 31 D28 31 0 1 SPEAKER Q1C 2C 4A Q20 22 24 40 Q1A 2A 4C Q15 21 23 25 B B H P F 12dB oct 12 12 REGULATOR POWER SUPPLY IC8 IC9 POWER SW201 B B POWER SUPPLY STANDBY ON SW1 SUB POWER SUPPLY D203 RY201 T201 D48 D47 D49 D50 F201 L20...

Страница 15: ...0 111 3 4 2 6 3 4 3 4 3 4 2 9 6 0 112 111 5 5 2 9 5 5 2 3 2 3 0 1 2 3 4 7 2 3 111 111 111 110 110 111 111 111 4 7 4 7 111 0 0 111 0 1 0 1 0 4 3 4 9 2 0 0 1 2 1 2 1 111 5 2 2 7 2 7 5 8 111 3 2 111 110 110 111 111 111 110 111 4 3 4 3 4 3 111 3 1 2 1 0 8 0 2 0 0 0 6 6 6 0 0 8 11 8 6 0 IDLING CURRENT ADJ DC 50mV to 250mV A B 0 7 110 0 0 0 1 2 9 111 5 1 5 1 5 1 111 4 7 4 7 110 0 1 110 4 7 4 7 4 7 4 7 1...

Страница 16: ...L 2SD400 F RBV 606 2SC4140 PIN CONNECTION DIAGRAM OF TRANSISTORS DIODES AND ICS B CE 2SC4163 S1NB20 1 2 3 1 OUTPUT 2 COMMON 3 INPUT NJM78L08A B C E 1 3 1 3 1 4 1 4 1 4 1 3 1 5 1 5 1 3 8 8 1 3 0 1 8 8 8 8 0 4 9 3 9 3 0 4 9 4 9 4 10 2 10 2 9 3 18 1 10 2 0 5 0 5 0 5 1 5 0 4 0 6 0 5 0 5 0 5 5 9 6 0 0 12 1 11 9 11 9 7 8 0 1 2 0 0 7 1 2 C D AC 12 8V CIRCUIT CHANGES BY MARKET X NOT USED O USED TM1661S L ...

Страница 17: ...ITTING MODULE LED DSPLY LED DISPLAY LED INFRD LED INFRARED MODUL RF MODULATOR RF PHOT CPL PHOTO COUPLER PHOT INTR PHOTO INTERRUPTER PHOT RFLCT PHOTO REFLECTOR PIN TEST PIN TEST POINT PLST RIVET PLASTIC RIVET R ARRAY RESISTOR ARRAY R CAR CARBON RESISTOR R CAR CHP CHIP RESISTOR R CAR FP FLAME PROOF CARBON RESISTOR R FUS FUSABLE RESISTOR R MTL CHP CHIP METAL FILM RESISTOR R MTL FLM METAL FILM RESISTO...

Страница 18: ...EL 470uF 160V C43 V5872500 C EL 470uF 160V C44 VT724900 C EL 10uF 50V C45 VT722300 C EL 100uF 25V C46 VT720600 C EL 10uF 16V C47 VT722300 C EL 100uF 25V C50 FG644100 C CE 0 01uF 50V C51 UA654470 C MYLAR 0 047uF 50V C52 UA654470 C MYLAR 0 047uF 50V C53 VT720600 C EL 10uF 16V C54 UA655470 C MYLAR 0 47uF 50V C56 VT720600 C EL 10uF 16V C57 FG644100 C CE 0 01uF 50V C58 FG613100 C CE 1000pF 50V C59 VT72...

Страница 19: ...0 TR 2SA970 GR BL Q10 iA101590 TR 2SA1015 O Y Q11 V5876800 TR 2SA1689 E F Q12 V5876900 TR 2SC4449 E F Q15 V5876800 TR 2SA1689 E F Q16 V5877200 FET 2SK2378 Q17 V5877000 FET 2SJ406 Q18 V5877200 FET 2SK2378 Q19 V5877000 FET 2SJ406 Q20 iA097030 TR 2SA970 GR BL Q21 iC224030 TR 2SC2240 GR BL Q22 V5877200 FET 2SK2378 Q23 V5877000 FET 2SJ406 Q24 V5877200 FET 2SK2378 Q25 V5877000 FET 2SJ406 Q26 V5876900 TR...

Страница 20: ... SP 8P UCA TP1 VT969000 PIN TEST IRS 2049 TP2 VT969000 PIN TEST IRS 2049 VR1 VJ692800 VR TRIM B470Ω VR2 VV954800 VR 10KΩ VR3 VV954700 VR A5KΩ BB070700 GND MTL VN774800 GND WSHR MEP1866 11102 V6667500 HEAT SINK OSH 1035 WPL EG330050 SCR BND HD 3x8 FCRM3 BL V5890500 P C B POWER UC V5890600 P C B POWER A V5890700 P C B POWER BG CB201 LB932040 CN BS PIN 4P CB202 LB932030 CN BS PIN 3P CB203 V6577400 HO...

Страница 21: ...XD 68KΩ 1W R215 HL217680 R MTL OXD 68KΩ 1W R216 HL223100 R MTL OXD 1Ω 2W R217 HL223100 R MTL OXD 1Ω 2W R218 HV753680 R CAR FP 6 8Ω 1 4W R219 HV753680 R CAR FP 6 8Ω 1 4W R220 HV753100 R CAR FP 1Ω 1 4W R221 HV753100 R CAR FP 1Ω 1 4W R222 HV753100 R CAR FP 1Ω 1 4W R223 HV753100 R CAR FP 1Ω 1 4W Z RY201 V5876700 RELAY DC SDT S 112DMR Z T201 XV443A00 TRANS PWR UC Z T201 XV445A00 TRANS PWR ABG Z T202 XY...

Страница 22: ... 7 5 1 12 11 1 11 2 11 10 11 10 12 10 1 12 1 12 1 12 1 12 1 12 5 24 5 11 5 31 5 31 5 31 5 17 5 35 5 37 5 33 5 33 5 17 5 16 5 34 5 34 5 31 5 34 5 34 5 23 5 2 5 34 5 9 4 5 4 7 4 8 4 6 5 31 4 15 4 15 5 22 5 21 5 34 5 15 5 20 5 31 5 17 5 2 5 31 5 37 5 19 5 14 5 8 5 6 1 7 1 8 1 12 12 10 12 1 12 1 12 1 12 10 12 10 12 1 1 11 11 10 2 5 1 1 3 5 1 1 2 5 1 1 1 1 5 1 1 4 ...

Страница 23: ...Y POWER BG Z 5 6 V3756200 POWER CORD 10A SPT 2 2 1m UC Z 5 6 VE371200 POWER CORD 2 5A 250V 2m G Z 5 6 VQ790000 POWER CORD 5A 2m B Z 5 6 VT666200 POWER CORD ASS Y A 5 8 VT665900 CORD STOPPER SR 4K 4 5 9 CB069250 BINDING TIE BK 1 5 11 V5899200 REAR PANEL UC 5 11 V5899300 REAR PANEL A 5 11 V5899400 REAR PANEL BG Z 5 14 V2217000 SWITCH SEESAW JW 5 15 V5195200 COVER 5 16 V5860000 GASKET 5 17 V5901500 G...

Страница 24: ...881600 SPACER 28 V6512500 INSULATOR 31 EP040370 BINDING HEAD TAPPING SCREW 4x30 MFC2 BL 32 V5901000 BIND HEAD TAPPING SCREW 4x35 MFC2BL 33 V6018100 HEXAGON SOCKET TAPPING SCREW 4x16 MFCR33 34 VB131900 BIND HEAD SCREW 6x25 MFZN2 BL 35 V5861300 BIND HEAD SCREW 6x50 ACCESSORIES 203 V6626800 PAD 1pc 203 X 4 ...

Страница 25: ... 4100 HF85 4150 HF45 4220 HF85 4270 HF45 4330 HF85 4390 HF45 4470 HF45 4560 HF45 4680 HF45 4750 HF45 4820 HF45 4910 HF45 5100 HF85 5110 HF45 5120 HF45 5150 HF45 5180 HF45 5200 HF45 5220 HF45 5270 HF45 5330 HF45 5390 HF45 5430 HF45 5470 HF45 5510 HF45 5560 HF45 5680 HF45 5820 HF45 5910 HF45 6100 HF45 6120 HF45 6150 HF45 6180 HF85 6200 HF45 6220 HF85 6240 HF45 6270 HF45 6300 HF45 6330 HF85 6360 HF45...

Страница 26: ...YST SW800 YST SW800 ...

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