Yamaha YST-RSW300 Page 11 Service Manual Download

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YST-RSW300

■

PRINTED CIRCUIT BOARDS

IC10

IC201

IC4

IC11

PJ1

CB9

CB3

CB1

IC6

IC1

W6A1

W6A2

W6A3

IC8

CB10

CB11

IC10

IC201

IC4

IC11

PJ1

MAIN (3) P.C.B.

MAIN (1) P.C.B.

MAIN (10) P.C.B.

MAIN (6)

(W6B1, W6B2, W6B3)

MAIN (6)

(W5B1, W5B2, W5B3)

DRIVER

WOOFER

INPUT1/OUTPUT

/MONO / R

OFF

REV

NORM

HIGH

INPUT 2

ANDBY

PHASE

MAIN (4)

(CB4)

VCC

PWS

-12

+12

COM OUT

OUT

COM

+V2

MAIN

PWS

-12

+12

PWS

+V1

-12

+12

+V1

MAIN (2)

(W1)

+V1

VCC

OCD

-12

MAIN

+12

SP+

SP-

-12

+12

OCD

MAIN

•

Semiconductor Location

Ref no. Location Ref no. Location

D10

D11

D13

D14

D15

D16

D17

D18

D19

D20

D21

Ref no. Location Ref no. Location Ref no. Location

D22

D23

D24

D25

D27

D28

D29

D30

D31

D32

D33

D34

D202

D203

D204

IC1

IC4

IC6

IC8

IC10

IC11

IC201

Q10

Q11

Q12

Q14

Q15

Q16

Q17A

Q17C

Q19

Q20

Q21

Q22A

Q22C

Q24A

Q24C

Q26

Q27

Q28

Q29

Q30

Q31

Q32

Q33

Ref no. Location

Summary of Contents for YST-RSW300

Page 1: ...ual 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 th...

Page 2: ...s product contains LEAD In addition other electrical electronic and or plastic where applicable components 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 REA SON WHATSOEVER Avoid pro...

Page 3: ...YST RSW300 3 YST RSW300 REAR PANELS U C models R model K model A model ...

Page 4: ... Rear panel POWER ON OFF key AUTO STANDBY HIGH LOW OFF key PHASE NORM REV key VOLTAGE SELECTOR key R L models Power Supply U C models AC 120 V 60 Hz R L models AC 110 120 220 230 240 V 50 60 Hz K model AC 220 V 60 Hz A model AC 240 V 50 Hz B G models AC 230 V 50 Hz Power Consumption 80 W Standby Power Consumption 0 5 W Reference data Dimensions W x H x D 372 x 400 x 428 2 mm 14 5 8 x 15 3 4 x 16 7...

Page 5: ...MAIN 8 P C B MAIN 4 P C B MAIN 2 P C B MAIN 1 P C B MAIN 10 P C B MAIN 3 P C B MAIN 6 P C B POWER TRANSFORMER MAIN 11 P C B U C K A B G models MAIN 7 P C B R L models MAIN 9 P C B R L models MAIN 5 P C B Advanced YST II Advanced Yamaha Active Servo Technology II is a unique system to let the speaker unit have a perfectly linear motion by the speaker and amplifier combination ...

Page 6: ... grille ass y apply quick dry ing bond or the like to dowels and then fit them into dowel holes for secure installation The front grille ass y will come off easily if its dowels are fitted into dowel holes without applying quickdrying bond or the like 2 Removal of Driver a Remove 4 screws 1 and then remove the driver Fig 1 b Disconnect the connector connected to the terminal of the driver Fig 1 Ru...

Page 7: ...knob hole in the front panel and pull the panel gradually away from the cabinet to re move it Fig 3 c Remove 2 screws 5 Fig 3 d Pull out the switch cover ass y Fig 3 e Remove bush Fig 3 The bush once removed cannot be reused Be sure to use a new bush for replacement f Remove the switch cover ass y together with the cable CB9 Fig 3 3 Removal of Rear Panel Ass y a Remove 8 screws 2 Fig 2 Screws 2 ar...

Page 8: ...he sine wave 100 Hz and minimum output level settings 2 Set the volume of the main unit to the minimum po sition 3 Turn on the power to the main unit 4 Adjust the output level of the signal generator and the volume of the main unit so that the output level observed at oscilloscope CH2 is 26 Vp p to 28 Vp p Waveform observation With the settings made as described above observe the waveform obtained...

Page 9: ...y located on the rear panel 2 Turn on the STANDBY ON key The status indicator lights up green and its color changes to red after 2 to 8 seconds 3 Turn off the STANDBY ON key The status indicator goes off 5 Turn on the STANDBY ON key The status indicator lights up green and its color remains unchanged even after time have elapsed 6 Turn off the STANDBY ON key The status indicator goes off Confirmat...

Page 10: ...POWER TRANSFORMER AC IN STATUS INDICATOR B B PS AMP PS AMP Q22C Q24A Q22A Q24C POWER DRIVE Q17A Q17C PRE DRIVE Q3 15 A N I C IC8 LIMITER Q10 Q12 AUTO STANDBY CIRCUIT C27 8 4 6 7 3 Q1 TIMER IC201 MUSIC SENSOR IC4 OFF OFF LOW HIGH LOW HIGH AUTO STANDBY SW2 INPUT 2 OUTPUT L MONO R L R L R INPUT 1 IC11A IC11B 3 6 1 5 2 7 NORM REV IC10A 5k ohms 7 8 6 SW1 PHASE SELECT L P F 6dB oct VR1 VOLUME IC7A 8 IC7...

Page 11: ... V1 VCC RY RY OCD 12 SP E MAIN E 12 RY SP E RY SP SP 12 12 OCD E MAIN 1 1 9 1 1 8 4 5 8 9 1 9 Semiconductor Location Ref no Location Ref no Location D2 I3 D4 E3 D5 F6 D6 E5 D8 E5 D10 H6 D11 H6 D13 E5 D14 E6 D15 H6 D16 F6 D17 H5 D18 F6 D19 H6 D20 H6 D21 H6 Ref no Location Ref no Location Ref no Location D22 F6 D23 F6 D24 F6 D25 J5 D27 G6 D28 G6 D29 G6 D30 G6 D31 G3 D32 E6 D33 E6 D34 E6 D202 H3 D203...

Page 12: ... VCC 1 7 PWS 12 12 2V MAIN E TOVL VCC 1V E VCC PWS LEDR LEDG E1 VCC PWS LEDR LEDG E1 VOLTAGE SELECTOR AC IN STANDBY ON STATUS INDICATOR POWER TRANSFORMER POWER TRANSFORMER VOLUME HIGH CUT 0 10 40Hz 140Hz R L models R L models R L models RE BE OR GY BE WH YE BE BL Voltage 230 240V 220V 110V 20V 1 2 5 6 2 3 6 7 3 4 7 8 4 5 8 9 Select BR RE GR OR GY BE GR BR YE BL RE WH WH BE BL RE BE BL BE R L model...

Page 13: ...e regulator INPUT OUTPUT COMMON NJM78M12FA 1 OUT 2 COM 3 IN IC1 NJM79M12FA Voltage regulator COMMON OUTPUT INPUT NJM79M12FA 1 OUT 2 IN 3 COM IC4 7 8 10 µPC4570HA A Dual operational amplifier V OUT1 II1 IN1 V IN2 II2 OUT2 V 1 2 3 4 5 6 7 8 9 1 2 µPC4570HA A 1 9 IC201 LB8555D General purpose timer LB8555D RESET OUTPUT OUTPUT RESET CONTROL VOL THRESHOLD Vcc DISCHARGE TRIGGER GND DISCHARGE GND TRIGGER...

Page 14: ...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 RESISTOR R MTL OXD METAL OXIDE ...

Page 15: ... J C49 UR749100 C EL 1000uF 25V UCKABG C50 UA654220 C MYLAR 0 022uF 50V J C51 UA653680 C MYLAR 6800pF 50V J C52 FG644100 C CE 0 01uF 50V C53 UA653680 C MYLAR 6800pF 50V J C54 UA653220 C MYLAR 2200pF 50V J C55 UR867100 C EL 10uF 50V C57 UR867100 C EL 10uF 50V C58 UA654220 C MYLAR 0 022uF 50V J C60 VE326000 C MYLAR 0 1uF 50V C61 62 UA654220 C MYLAR 0 022uF 50V J C63 64 UR877470 C EL 47uF 63V C65 66 ...

Page 16: ...45 6220 2 4 kΩ HJ35 6240 HF85 6240 2 7 kΩ HF45 6270 HF45 6270 3 0 kΩ HF45 6300 HF45 6300 3 3 kΩ HF45 6330 HF45 6330 3 6 kΩ HJ35 6360 HF85 6360 3 9 kΩ HF45 6390 HF45 6390 4 7 kΩ HF45 6470 HF45 6470 5 1 kΩ HF45 6510 HF45 6510 5 6 kΩ HF45 6560 HF45 6560 6 8 kΩ HF45 6680 HF45 6680 8 2 kΩ HF45 6820 HF45 6820 9 1 kΩ HF45 6910 HF45 6910 Not available IC11 XM922A00 IC NJM4558L IC201 X2020A00 IC LB8555D IC...

Page 17: ...3 4 34 4 31 4 33 4 4 4 3 4 11 4 36 202 25 1 5 R L models 5 5 24 24 2 5 9 5 11 U C K A B G models 7 R L models 5 6 5 3 5 10 5 4 5 8 5 1 6 3 27 27 26 2 7 11 10 15 8 12 4 19 4 18 4 20 4 32 4 35 4 35 4 35 4 23 4 35 4 32 4 8 4 35 4 35 4 22 4 32 4 32 4 5 4 29 4 19 4 16 4 19 4 19 OVERALL ASS Y ...

Page 18: ...31 WE994800 BIND HEAD S TIGHT SCREW 4x8 MFZN2B3 4 32 WE774400 BIND HEAD B TIGHT SCREW 3x8 MFZN2B3 4 33 WE962000 BIND HEAD B TIGHT SCREW 4x8 MFZN2B3 4 34 WF268000 BIND HEAD P TIGHT SCREW 3x10 MFZN2B3 4 35 WF002600 PW HEAD B TIGHT SCREW 3x8 MFZN2W3 4 36 WE983600 BIND HEAD SCREW 3x8 MFZN2B3 RL 4 37 WE981100 BIND HEAD P TIGHT SCREW 4x12 MFZN2B3 4 38 WF303900 BIND HEAD BONDING SCREW 3x6 MFZN2B3 5 WK224...

Page 19: ...YST RSW300 ...

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