Yamaha YST-MS55D Service Manual Download Page 26

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YST-MS50/YST-MS55D

P. C. B. MAIN

Schm
Ref

PART NO.

Description

✻

New Parts

✻

New Parts

Schm
Ref

PART NO.

Description

V3406400 P.C.B.

MAIN(UC)

V3406500 P.C.B.

MAIN(R)

V3406600 P.C.B.

MAIN(A)

V3406700 P.C.B.

MAIN(BG)

CB1

VB858700 CN.BS.PIN

CB2

VD005200 CN.BS.PIN

CB3

LB918020 CN.BS.PIN

CB4

VD004600 CN.BS.PIN

CB5

VP206500 HOLDER.FUS EYF-52BC

CB6

VP206500 HOLDER.FUS EYF-52BC

CB7

VP206500 HOLDER.FUS EYF-52BC(R)

CB8

VP206500 HOLDER.FUS EYF-52BC(R)

VJ836900 C.EL

10uF

16V

VV020100 C.EL

220uF

10V

FG211470 C.CE

47pF

50V

VJ836900 C.EL

10uF

16V

VV020100 C.EL

220uF

10V

FG211470 C.CE

47pF

50V

VJ836900 C.EL

10uF

16V

VJ836900 C.EL

10uF

16V

VS741700 C.CE.SAFTY 0.01uF

275V

C10

VF964800 C.EL

100uF

16V

C11

UA654330 C.MYLAR

0.033uF

50V

C12

UA654330 C.MYLAR

0.033uF

50V

C13

VJ836900 C.EL

10uF

16V

C14

UA654330 C.MYLAR

0.033uF

50V

C15

UA654330 C.MYLAR

0.033uF

50V

C16

VJ836900 C.EL

10uF

16V

C17

UR759470 C.EL

4700uF

35V

C18

UR857470 C.EL

47uF

35V

C19

UR759470 C.EL

4700uF

35V

C20

UR857470 C.EL

47uF

35V

C21

FG212470 C.CE

470pF

50V

C22

FG212470 C.CE

470pF

50V

C23

UA655100 C.MYLAR

0.1uF

50V

C24

VJ836900 C.EL

10uF

16V

C25

UR866220 C.EL

2.2uF

50V

C26

UR867100 C.EL

10uF

50V

C27

UR866220 C.EL

2.2uF

50V

C28

VJ836900 C.EL

10uF

16V

C29

UR867100 C.EL

10uF

50V

C30

UA655100 C.MYLAR

0.1uF

50V

C31

UM397330 C.EL

33uF

16V

C32

UA655150 C.MYLAR

0.15uF

50V

C33

UA655390 C.MYLAR

0.39uF

50V

C34

UJ668100 C.EL

100uF

50V

C35

UJ668100 C.EL

100uF

50V

C36

UM397330 C.EL

33uF

16V

C37

FG211150 C.CE

15pF

50V

C38

FG211150 C.CE

15pF

50V

C39

UA655100 C.MYLAR

0.1uF

50V

C40

VJ837200 C.EL

47uF

16V

C41

VJ837200 C.EL

47uF

16V

C42

UM397330 C.EL

33uF

16V

C43

UA653390 C.MYLAR

3900pF

50V

C44

UA655180 C.MYLAR

0.18uF

50V

C45

UA653470 C.MYLAR

4700pF

50V

C46

VD916400 C.EL

2.2uF

50V

C47

VD916400 C.EL

2.2uF

50V

C48

UA654470 C.MYLAR

0.047uF

50V

C49

UA654470 C.MYLAR

0.047uF

50V

C50

FG214100 C.CE

0.01uF

50V

C51

FG214100 C.CE

0.01uF

50V

C52

UA653100 C.MYLAR

1000pF

50V

C53

UA653100 C.MYLAR

1000pF

50V

C54

VJ839100 C.EL

1uF

50V

C55

VJ839100 C.EL

1uF

50V

C56

UA655100 C.MYLAR

0.1uF

50V

C57

UA655100 C.MYLAR

0.1uF

50V

C58

UA655470 C.MYLAR

0.47uF

50V

C59

UA655100 C.MYLAR

0.1uF

50V

C60

VJ836900 C.EL

10uF

16V

C61

UM407220 C.EL

22uF

25V

VY660300 LED(gr)

SLP-277B-51

VN011300 DIODE.BRG D3SBA20 4A 200V

iF004600

DIODE

1SS133

iF004600

DIODE

1SS133

iF004600

DIODE

1SS133

iF004600

DIODE

1SS133

iF004600

DIODE

1SS133

iF004600

DIODE

1SS133

KB000660 FUSE

400mA 250V(ABG)

VT272700 FUSE

1.25A(UCR)

KB000660 FUSE

400mA 250V(R)

IC1

XB247301 IC

uPC4570HA

IC2

XB247301 IC

uPC4570HA

IC3

XP844A00 IC

NJM4556AL

IC4

XJ602A00 IC

NJM78M12FA

IC5

XD343A00 IC

NJM79M12FA

IC6

XV809A00 IC

STK408-040E 25W

IC7

XB247301 IC

uPC4570HA

IC8

XB247301 IC

uPC4570HA

JK1

V3666400 JACK.MNI

HTJ-035-27A

JK2

V3317500 JACK.DIN

JK3

V3317400 JACK.MNI

JK4

V3317400 JACK.MNI

JK5

VV881000 CN.DIN

8P CMS5008-0101

PJ1

V3407500 JACK.PIN

PJ2

VU581900 JACK.PIN

HTJ-032-04BB

iC287820

2SC2878 A,B

iC287820

2SC2878 A,B

iA101590

2SA1015 O,Y

iC1815M0 TR

2SC1815 Y,GR

iA101590

2SA1015 O,Y

iC1815M0 TR

2SC1815 Y,GR

iA101590

2SA1015 O,Y

YST-MS50

✻

Summary of Contents for YST-MS55D

Page 1: ... 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 of 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 ...

Page 2: ...s may also contain traces of chemicals found by the California Health and Welfare Agency and possibly other entities to cause cancer and or birth defects or other reproductive harm DO NOT PLACE SOLDER 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 expos...

Page 3: ...2 YST MS50 YST MS55D YST MS50 YST MS55D Subwoofer Front Panel Subwoofer Rear Panel YST MS55D YST MS55D YST MS55D YST MS55D R model only U and C models U and C models only R model A model B and G models ...

Page 4: ...odel C Canadian model B British model R General model G European model Type Active Servo Technology Advanced Y S T Output Power Satellite 20W 20W 1kHz 4 ohms at T H D 10 Subwoofer 40W 100Hz 5 ohms at T H D 10 Input Sencitivity 200mV 1kHz 4 ohms at 20W Input Impedance 25 kohms Frequency Responce 32 Hz to 20 kHz Crossover Frequency Satellite Tweeter 12 kHz Subwoofer fc 200Hz Headphone Output Level 0...

Page 5: ...f the Satellite Speakers are not available See page 31 and 33 of the PARTS LIST for YST MS50 page 34 and 36 of the PARTS LIST for YST MS55D 2 1 3 L ch R ch Satellite Speaker L ch 1P C B MAIN 8 Satellite Speaker R ch 2P C B MAIN 4 3P C B MAIN 5 Subwoofer 4 8 9 0 A B 5 6 6 7 YST MS50 YST MS55D Subwoofer 4P C B MAIN 6 5P C B MAIN 1 6P C B MAIN 3 7P C B MAIN 9 YST MS55D only 8SPEAKER UNIT Subwoofer 9P...

Page 6: ... 6 locations As a screwdriver for slotted head screw is used for removal use special care not to cause damage to the Cabinet a Using the screwdriver insert in the gaps between the front panel ass y and cabinet push up the front panel ass y b Remove the front panel ass y while taking it out Front panel ass y can not to remove completely 3 Removal of the Speaker a Set up the front panel ass y in the...

Page 7: ...om the personal computer will be output via the USB port 1 Start up Windows 98 on your computer Insert the included YST MS55D device driver CD ROM into the CD ROM drive 2 Connect the YST MS55D speakers using the specified cables and plug them in to the AC outlet At this time do not connect the subwoofer to the personal computer yet 3 Make sure that the POWER switch on the rear panel of the subwoof...

Page 8: ... the USB Composite Device See Fig 1 1 Click Next The system displays the following panel See Fig 2 The system displays the following panel See Fig 3 2 Click Next again to display the following panel 3 Check CD ROM drive and de select other options then click Next to proceed to the fol lowing panel Fig 1 Fig 2 Fig 3 7 YST MS50 YST MS55D YST MS55D ...

Page 9: ...ays the following panel See Fig 4 Note Depending on your system a path other than D USB INF may appear 5 Click Next The system starts installing the YAMAHA YST MS55D USB Composite Device Please wait awhile The system displays the following panel See Fig 6 6 Click Finish to complete the installation of the USB Composite Device Fig 4 Fig 5 Fig 6 8 YST MS50 YST MS55D YST MS55D ...

Page 10: ...peatedly as in steps 2 5 until the following panel appears 8 Click Finish to complete the installation of the Human Interface Device The system displays a panel to begin installing a USB Audio Device See Fig 9 9 Follow the same screen instructions as steps 2 5 Make sure that The updated driver Recom mended panel lists YAMAHA YST MS55D USB Audio in step 4 and click the Next but ton repeatedly until...

Page 11: ...firm that the installed the YST MS55D speaker device driver There are 3 items in the YST MS55D speaker device drivers Befor confirming 1 Make sure that the POWER switch on the rear panel of the subwoofer is turned on 2 Connect the subwoofer to the USB port on the personal computer using the USB cable There are 4 items in the confirmation as shown below The system displays the following panel See F...

Page 12: ...man Interface Devices See Fig 12 Confirmed Fig 12 To next confirmation 11 YST MS50 YST MS55D YST MS55D CONFIRM 3 YAMAHA YST MS55D USB Composite Device Confirm the YAMAHA YST MS55D USB Composite Device See Fig 13 Confirmed Fig 13 To next confirmation ...

Page 13: ...roperties Confirm the Playback Confirm the YAMAHA YST MS55D USB Audio 1 See Fig 14 Confirmed Fig 14 Completed the confirmation of OS 12 YST MS50 YST MS55D YST MS55D CAUTION If not installed the YST MS55D speaker device drivers repeat install from the CD ROM See page 6 10 ...

Page 14: ...the Test Tool PLUG IN DEVICE S TO TEST display Fig 15 Connect the USB cable to the USB port of the personal computer Pulg in the USB cable from Personal to USB INPUT on the rear panel of the Subwoofer See Fig 16 Plug in the USB Cable from the Personal Computer Fig 16 Start the USB port operation check 13 YST MS50 YST MS55D YST MS55D Rear panel of the Subwoofer ...

Page 15: ...s shown below CHECK 1 00Vid 0X0499 Pid 0X3001 USB Compliance Tool Version 2 6 display Confirm the 99 Vid 0X0499 Pid 0X3001 See Fig 17 Confirmation of USB EEPROM IC201 opration is completed Click the Full Test See Fig 17 for next check Confirmed Click Fig 17 14 YST MS50 YST MS55D YST MS55D ...

Page 16: ...CK 2 All is checked USB Chapter 9 Test display Confirm that all is checked See Fig 18 Click the Start Automated Testing See Fig 18 for next check Fig 18 All is checked Click 15 YST MS50 YST MS55D YST MS55D ...

Page 17: ...rror Count 0 Full Test Results display Confirm the Error Count 0 See Fig 19 Operation of between USB IC and USB port is normal state Enter automated to next check Fig 19 Confirmed 16 YST MS50 YST MS55D YST MS55D ...

Page 18: ...ol display Confirm the OK See Fig 20 Enter automated to next check Fig 20 CHECK 5 OK DEVICE IS HID display Confirm the OK See Fig 21 Completed the USB port operation check Fig 21 Confirmed Confirmed 17 YST MS50 YST MS55D YST MS55D ...

Page 19: ...2 8 2 5 12 12 12 PWS TO SUB Wo TO LEFT SPEAKER USB IN USE ONLY YST MS55D TO RIGHT SPEAKER OL 1 7 IC3 NJM4556AL OR RSP RSP TWEETER MIDRENGE JK1 JK201 HEADPHONE TWEETER MIDRENGE SUBWOOFER SP SP E 12 3 1 G 4 7 6 8 2 5 12 E OL PWS OR RSP RSP JK5 12 12 6 4 12 12 12 12 1 2 H P F 12dB oct H P F 12dB oct 12 12 6dB oct 12 12 12dB oct EQ Amp IC1 2 UPC4570HA Mute Power Amp IC6 STK408 040E IC1 IC2 IC2 IC1 7 2...

Page 20: ... RE RE WH WH RE WH GR GR RE BE WH BR WH BE BR BE RE WH BE BL WH P C B MAIN 9 P C B MAIN 3 P C B MAIN 6 Subwoofer P C B MAIN 1 P C B MAIN 2 P C B MAIN 7 YST MS55D R model only J U C A B G only R only 1 G 8 2 5 4 6 7 3 9 1 9 1 20 1 OUT COM IN IN COM OUT UPC4570HA UPC4570HA STK408 040E NJM79M12FA NJM78M12FA 5 8 4 1 1 32 16 17 1 2 4 3 UDA1321PS M24C02 BN6 9 1 UPC4570HA 1 9 UPC4570HA Semiconductor Loca...

Page 21: ...IR IL RE WH BE YE W1 BE YE RE WH SATELLITE MIDRANGE Lch VOLUME TO SUB Wo TO SUB Wo INPUT 2 INPUT 1 SATELLITE MIDRANGE Rch SATELLITE TWEETER Lch SATELLITE TWEETER Rch R L P C B MAIN 8 P C B MAIN 4 Satellite Speakers P C B MAIN 5 AUTO POWER HEADPHONE 6 8 3 4 2 1 7 5 1 8 NJM4556AL Semiconductor Location Ref No IC3 Q1 Q2 Location C1 C1 C1 ...

Page 22: ...ormally unconnected 2 Normally connected to ground 18 Vref 3rd ORDER NOISE SHAPER REFERENCE VOLTAGE VARIABLE HOLD REGISTER LEFT DAC OSC TIMING RIGHT DAC FOR DIGITAL I O FOR DIGITAL CORE FIFO REGISTERS UP SAMPLE FILTER USB PROCESSOR ANALOG FRONT END AUDIO FEATURE PROCESSING DSP SAMPLE FREQUENCY GENERATOR MICRO CONTROLLER DIGITAL I O fs fs 64fs 128fs 7 6 D D 29 27 32 1 2 3 16 15 14 13 24 VDDX XTAL2 ...

Page 23: ... 4 8 B C E 16 1 32 TO LEFT SPEAKER SATELLITE MIDRANGE Lch TO SUB Wo VOLUME SATELLITE TWEETER Lch TO RIGHT SPEAKER POWER VOLTAGE SELECTOR AUTO POWER SATELLITE TWEETER Rch SATELLITE MIDRANGE Rch TO SUB Wo USB INPUT TO RIGHT SPEAKER SUB WOOFER OUTPUT BASS HEAD PHONE USB IN USE ONLY 0 0 0 11 5 1 5 0 0 0 0 0 12 0 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 0 12 0 0 0 0 12 0 12 0 0 0 27 1 11 5 0 2...

Page 24: ...11 5 1 5 0 0 0 0 0 11 7 11 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 7 11 7 0 0 0 11 7 0 27 1 11 5 0 27 1 11 5 11 5 0 0 2 11 5 0 2 0 0 0 27 1 0 2 0 2 0 1 0 1 24 3 0 1 0 1 25 6 25 5 0 0 27 1 27 1 27 1 0 0 0 0 0 0 0 11 4 11 7 11 4 10 4 11 7 9 9 0 0 0 11 7 0 0 0 11 5 0 0 0 11 7 0 0 0 11 5 27 1 AC43 2 27 1 YST MS50 NJM78M12FA AN78M12F 2SA1015 O Y 2SC1815 Y GR 2SC2878 A B 2SC3792 1SS133 1SR139 4...

Page 25: ...ED 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 FILM METAL FILM RESISTOR R MTL OXD METAL OXIDE FILM RESISTO...

Page 26: ...V C37 FG211150 C CE 15pF 50V C38 FG211150 C CE 15pF 50V C39 UA655100 C MYLAR 0 1uF 50V C40 VJ837200 C EL 47uF 16V C41 VJ837200 C EL 47uF 16V C42 UM397330 C EL 33uF 16V C43 UA653390 C MYLAR 3900pF 50V C44 UA655180 C MYLAR 0 18uF 50V C45 UA653470 C MYLAR 4700pF 50V C46 VD916400 C EL 2 2uF 50V C47 VD916400 C EL 2 2uF 50V C48 UA654470 C MYLAR 0 047uF 50V C49 UA654470 C MYLAR 0 047uF 50V C50 FG214100 C...

Page 27: ...E869300 R MTL OXD 0 1Ω 2W R60 HV453100 R CAR FP 1Ω 1 4W R61 HV453100 R CAR FP 1Ω 1 4W R70 HU597100 R MTL FLM 10KΩ 1 4W R71 VH007900 R MTL FLM 20KΩ 1 4W R72 HU597100 R MTL FLM 10KΩ 1 4W R74 HU597100 R MTL FLM 10KΩ 1 4W SW1 VS066500 SW PUSH SPPH13 W TE1 VT658100 TERM WRAP 352 TX119 TE2 VT658100 TERM WRAP 352 TX119 VR1 V2261700 VR A50KΩ VR2 VZ496100 VR A5KΩ V2572700 VOLT SELCT R BB070700 GND MTL V340...

Page 28: ... FG211150 C CE 15pF 50V C38 FG211150 C CE 15pF 50V C39 UA655100 C MYLAR 0 1uF 50V C40 VJ837200 C EL 47uF 16V C41 VJ837200 C EL 47uF 16V C42 UM397330 C EL 33uF 16V C43 UA653390 C MYLAR 3900pF 50V C44 UA655180 C MYLAR 0 18uF 50V C45 UA653470 C MYLAR 4700pF 50V C46 VD916400 C EL 2 2uF 50V C47 VD916400 C EL 2 2uF 50V C48 UA654470 C MYLAR 0 047uF 50V C49 UA654470 C MYLAR 0 047uF 50V C50 FG214100 C CE 0...

Page 29: ...2 iC287820 TR 2SC2878 A B Q3 iA101590 TR 2SA1015 O Y Q4 iC1815M0 TR 2SC1815 Y GR Q5 iA101590 TR 2SA1015 O Y Q6 iC1815M0 TR 2SC1815 Y GR Q7 iA101590 TR 2SA1015 O Y Q8 V3028000 FET 2SK304 E Q201 VC407900 TR 2SD1913 R S R37 HV455100 R CAR FP 100Ω 1 4W R38 HV455100 R CAR FP 100Ω 1 4W R39 HV453470 R CAR FP 4 7Ω 1 4W R46 HV453470 R CAR FP 4 7Ω 1 4W R55 HV456100 R CAR FP 1KΩ 1 4W R57 HV454820 R CAR FP 82...

Page 30: ... VIEW YST MS50 YST MS50 Voltage Selector R only 6 R only 5 1 6 4 6 3 5 7 5 6 5 32 5 35 5 31 5 32 R only 5 19 20 5 33 5 34 6 3 1 6 1 6 2 6 11 2 20 6 6 1 8 6 12 6 5 3 5 1 5 11 1 5 1 7 5 1 5 14 5 18 5 5 5 8 301 302 5 17 5 12 5 20 5 21 5 15 5 16 5 15 2 5 1 ...

Page 31: ...39304T UC 5 14 V2574100 SLIDE SWITCH ESD39318S RABG 5 15 V2583100 PACKING A 5 16 V2583200 PACKING B 5 17 VZ653300 PACKING E 5 18 V2583400 PACKING D D 5 19 VZ653400 PACKING F R 5 20 VZ655300 BUSH 5 21 V2586100 INSULATOR 5 31 EN335030 BIND HEAD BONDING TAP SCREW 3x10 FCRM3 BL 5 32 EX601360 BIND HEAD P TITE SCREW 3x10 FCRM3 BL 5 33 ED330086 BIND HEAD SCREW 3x8 FCRM3 BL 5 34 EK396010 BIND HEAD S TITE ...

Page 32: ...3200 PACKING B 5 17 V2583300 PACKING C 5 18 V2583400 PACKING D D 5 19 VZ653400 PACKING F R 5 20 VZ655300 BUSH 5 21 V2586100 INSULATOR 5 22 V4510600 FERRITE CORE HF70RH12X15X7 3 BG 5 23 VZ406100 INSULATOR C BG 5 31 EN335030 BIND HEAD BONDING TAP SCREW 3x10 FCRM3 BL 5 32 EX601360 BIND HEAD P TITE SCREW 3x10 FCRM3 BL 5 33 ED330086 BIND HEAD SCREW 3x8 FCRM3 BL 5 34 EK396010 BIND HEAD S TITE SCREW 4x8 ...

Page 33: ...CABLE 1P 2 0m VS494400 CABLE MINI PLUG VT309500 RCA PIN CABLE 1 8m VZ663800 DIN PLUG CABLE 8P 1 86m VS104300 LEG V4400400 CD ROM 301 V3565300 SATELLITE SPEAKER UNIT R WH 301 V3565700 SATELLITE SPEAKER UNIT R BL 302 V3566100 SATELLITE SPEAKER UNIT L WH 302 V3566500 SATELLITE SPEAKER UNIT L BL YST MS55D ...

Page 34: ...Ω 56 kΩ 62 kΩ 68 kΩ 82 kΩ 91 kΩ 100 kΩ 110 kΩ HF45 7100 HF45 7110 HJ35 7120 HF45 7130 HF45 7150 HF45 7180 HF45 7220 HF45 7240 HJ35 7270 HF45 7300 HF45 7330 HF45 7360 HF45 7390 HF45 7470 HF45 7510 HF45 7560 HF45 7620 HF45 7680 HF45 7820 HF45 7910 HF45 8100 HF45 8110 HF45 8120 HF45 8150 HF45 8180 HJ35 8220 HF45 8270 HF45 8300 HF45 8330 HJ35 8390 HF45 8470 HJ35 8560 HF45 7100 HF45 7110 HF85 7120 HF45...

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