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POWER SUPPLY

SERVICE MANUAL

CONTENTS SPECIFICATIONS ···································································· PANEL LAYOUT······································································· CONNECTOR CIRCUIT DIAGRAM ········································· DISASSEMBLY PROCEDURE················································· CIRCUIT BOARD······································································ PARTS LIST CIRCUIT DIAGRAM

3 3 4 5 6

PA

011507
HAMAMATSU, JAPAN
0.27K-8091 Printed in Japan '00.03

PW1D 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 all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.

IMPORTANT:

The data provided is belived 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 changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.

WARNING: IMPORTANT:

Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus). Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.

WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this 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 REASON WHAT SO EVER! 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.

IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord

IMPORTANT.

The wires in this main lead are coloured in accordance with the following code: BLUE: NEUTRAL BROWN: LIVE

As the colours of the wires in the main lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The BLUE wire must be connected to the terminal that is marked with the letter N (or coloured BLACK). The BROWN wire must be connected to the terminal that is marked with the letter L (or coloured RED). Be certain that neither core is connected to the earth terminal of the three pin plug.

WARNING
Components having special characteristics are marked originally installed. and must be replaced with parts having specification equal to those

2

PW1D

SPECIFICATIONS PANEL LAYOUT
Note: See operation manual for details.

3

PW1D

CONNECTOR CIRCUIT DIAGRAM
CONSOLE-DC
**

AC INLET

3P

CN1 FG
2P

CN3

3P

3P

CN1 CN2

[POWER] [ON/OFF]

(SUB)
CN101 CN2
3P

2P

PW-SW
CN4
3P

CN5
2P

3P

3P

3P

CN3 **
9P 10P

CN2

CN4 CN8
(FOR LED) 2P

CN6 CN7 CN1 POWER SUPPLY PW1D (MAIN)

[DC OUTPUT]

27P

3P

FG

FAN

3P (FOR FAN)

Circuit Board AC INLET

CN No.

Pin No. L N 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 26 27 3

Circuit Board POWER SUPPLY PW1D (SUB) POWER SUPPLY PW1D (MAIN)

CN No. CN1

Pin No. 1 2 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 1 2 3 1 2 FG

DC OUTPUT

CN6

CN7

CN1

POWER SUPPLY PW1D (SUB)

CN101

KEC-92552 4

PW1D

DISASSEMBLY PROCEDURE
1.
1-1 1-2

Power Supply Unit
Remove the fourteen (14) screws marked [300]. The top cover can then be removed. (Fig. 1) Remove the six (6) screws marked [130]. The power supply unit can then be removed. (Fig. 1)
Power supply unit [300] [130] [300] [300]

[130]

[300]

[130]

[300]

[130]

[300]

[300]

[130]

[130]: Bind Head Tapping Screw-B A4.0x8 MFZN2BL (VC688800) [300]: Bind Head Tapping Screw-B A4.0x8 MFZN2BL (VC688800) Fig. 1

2.
2-1

PW-SW Circuit Board
Remove the three (3) screws marked [260] and the three (3) screws marked [280]. Each rack mount angle can then be removed. (Fig.2) Remove the six (6) screws marked [170]. The front panel can then be removed. (Fig. 2) Remove the two (2) screws marked [260]. The PW-SW circuit board can then be removed. (Fig. 2)

2-2 2-3

· Left side
Rack Mount Angle


[170] Front panel [170]

[280]

· Right side
Rack Mount Angle

[170]

PW-SW
[150]

[260] [150]: Bind Head Screw 3.0x8 MFZN2BL (VB659000) [170]: Oval Head Screw-B 4.0x8 MFZN2BL (VS153600) Fig. 2 [260]: Oval Head Screw-B 4.0x8 MFZN2BL (VS153600) [280]: Oval Head Screw-B 4.0x8 MFZN2BL (VS153600)

5

PW1D

CIRCUIT BOARD
PW-SW Circuit Board
POWER ON/OFF

Power supply PW1D (MAIN)

Power supply PW1D (SUB)

Component side

Note: See parts list for details of circuit board component parts.

3NA-V50504 6

0

POWER SUPPLY

PARTS LIST
CONTENTS
OVERALL ASSEMBLY······························································································································ 2 ELECTRICAL PARTS ······························································································································· 4

Notes : DESTINATION ABBREVIATIONS
A: B: C: D: E: F: H: I : J: Australian model British model Canadian model German model European model French model North European model Indonesian model Japanese model M: South African model O: Chinese model Q: South-east Asia model T: Taiwan model U: U.S.A. model V: General export model (110 V) W: General export model (220 V) N,X: General export model Y: Export model

WARNING
Components having special characteristics are marked specification equal to those originally installed. and must be replaced with parts having

· · · · ·

The numbers in " QTY " show quantities for each unit. The parts with " - - " in " PART NO. " are not available as spare parts. The mark " " in the remarks column indicates that these parts are interchangeable. The second letter of the shaded ( ) part number is O, not zero. The second letter of the shaded ( ) part number is I, not one.

PW1D

OVERALL ASSEMBLY
290 300 95 96 80 230 330 91 310 320 120 130 350 360 200 300 97 98 240 90

300

210

120

140 100 190 160

220

170 35 150

180

370

10

280

270 50 40 110 20 30 70 260 250 60

2

PW1D

PART NO. DESCRIPTION OVERALL ASSEMBLY -Overall Assembly -Overall Assembly -Overall Assembly * 10 V4586900 Bottom Chassis 20 CB806590 Leg 30 EG340190 Bind Head Tapping Screw-B * 35 V5297200 PET Sheet * 40 V4605100 Side Panel 50 VC688800 Bind Head Tapping Screw-B * 60 V4068400 Side Panel 70 VC688800 Bind Head Tapping Screw-B * 80 V4587400 Rear Panel 90 VC688800 Bind Head Tapping Screw-B 91 VP156800 Bind Head Screw 95 V3125300 Fan 96 VN003900 Finger Guard 97 VM964700 Fan Support Metal 98 VR116500 Pan Head Screw * 100 V4587900 Sub Chassis 110 VC688800 Bind Head Tapping Screw-B * 120 V4704700 Power Supply Unit * 120 V5390500 Power Supply Unit * 120 V5390700 Power Supply Unit 130 VC688800 Bind Head Tapping Screw-B * 140 V4564700 Circuit Board 150 VB659000 Bind Head Screw * 160 V4587100 Front Panel 170 VS153600 Oval Head Screw 180 VL813000 Escutcheon, Power Switch 190 VL812900 Power Switch Knob 200 -AC Inlet Assembly * 200a V5065200 AC Inlet 210 V5600300 Support 220 VP156800 Bind Head Screw * 230 V5054900 Connector Assembly 240 VP157000 Bind Head Tapping Screw-B * 250 V4705100 Rack Mount Angle 260 VS153600 Oval Head Screw * 270 V4705100 Rack Mount Angle 280 VS153600 Oval Head Screw * 290 V4588000 Top Cover 300 VC688800 Bind Head Tapping Screw-B 310 -Connector Assembly 320 -Connector Assembly 330 -Label, Caution 340 CB817510 Cord Binder 350 -Label 350 -Label 360 -Label 370 -Label 380 CB095100 Cord Holder
REF NO.

REMARKS
PW1D J U,C,V H,B,W (V470350) (V539350) (V539360)

QTY

RANK

BL 4.0X8 MFZN2BL LEFT A4.0X8 MFZN2BL RIGHT A4.0X8 MFZN2BL A4.0X8 MFZN2BL A4.0X8 MFZN2BL MMS-06E12DL

4 4 6 3 3 5

03 01

01 01 01 01 08 09 01 01

SP 4.0X25 MFZN2BL A4.0X8 MFZN2BL
J U,C,V H,B,W

4 6

A4.0X8 MFZN2BL PW-SW (PSWCOM) 3.0X8 MFZN2BL 4.0X8 MFZN2BL
POWER ON/OFF

6 2 6

01 01 01 03 03 03

AC INLET&FASTON M1908-C 3P A4.0X8 MFZN2BL VH&PH&NK 120L #20 A3.0X8 MFZN2BL 4.0X8 MFZN2BL 4.0X8 MFZN2BL A4.0X8 MFZN2BL VH&VH 3P 350L #20 PH&PH 2P 650L #28 S-14B
J H,B,W U,C,V U,C,V

(V539260)

2
DC OUTPUT

01 01 01 01 01

4 3 3 14
(V505500) (V477420) (V533510)

3
(V533540) (V539490) (V570430) (VA03930)

03

UL

6

* * * * * *

V5800000 V5068000 V5067700 VP204400 V5525000 V5600500 V5600800

ACCESSORIES AC Cord AC Cord AC Cord AC Cord DC Power Supply Cable Cable Lock Cable Lock

2P 15A 3P 13A 3P 10A 3P UL2501 #20X27

J U,C,V H,W B J,U,C,V H,W,B

10

*: New Parts

RANK: Japan only

3

PW1D

ELECTRICAL PARTS
REF NO.

* * *

PART NO. DESCRIPTION ELECTRICAL PARTS V4564700 Circuit Board Circuit Board Spacer Capacitor-KH Base Post Connector Connector Base Post LED Push Switch Carbon Resistor Fan Power Supply Unit Power Supply Unit Power Supply Unit AC Inlet Connector Assembly

REMARKS
PW1D

QTY

RANK

PW-SW (PSWCOM) PW-SW (PSWCOM) 0.010 250V J.U.C.S VH 3P SE PH 2P TE SLR-342MG3F ESB92S23B J.U.C.S 680.0 1/4 J MMS-06E12DL
J U,V H,B,W

(XW730A0) (XW730A0)

V4564700 V4588100 C1 V3311600 CN1 LB933030 CN2 VB389800 LD1 VR080300 SW1 V3127000 HF455680 V3125300

POWER indicator POWER 0N/OFF

01 01 01 01 02 01 08

* * * * *

V4704700 V5390500 V5390700 V5065200 V5054900

M1908-C 3P VH&PH&NK 120L #20
DC OUTPUT

03

*: New Parts

RANK: Japan only

4

POWER SUPPLY

CIRCUIT DIAGRAM
CONTENTS
PSWCOM ··························································· 3 CONSOLE-DC ···················································· 4

WARNING
Components having special characteristics are marked specification equal to those originally installed. and must be replaced with parts having

H

G

F

E

D

C

B

A

PSWCOM CIRCUIT DIAGRAM (PW1D)

PW1D
1

2

to CONSOLE-DC-CN8

3

to CONSOLE-DC-CN3

4

PW-SW

5

KEC-92466-1

PSWCOM CIRCUIT DIAGRAM (PW1D)
3 6

P

O

N

M

L

K

J

I

H

G

F

E

D

C

B

A

CONSOLE-DC CIRCUIT DIAGRAM 1/3 (PW1D)
12
to DC CONTROL BOARD DC/DC
CN1 B3B-PH-K-S

PW1D

1 2 3
ERA15-06V5 ERA15-06V5
RY2A G5N-1A

CN8 B2B-PH-K-S

11

to PW-SW-CN2

1 2

RY1A G4W-1112P-US-TV8

CN2 B2B-XH-A

from SUB POWER BOARD

1 2

C1 100/25

10

+12V
C2 0.1/50

D1

D2

TM1 110 oC

9
from SUB POWER BOARD to PW-SW-CN1

CN3 B03P-VL

F1 15A/250V

L3 L1 L2 C8 2200P/250 R2 30P30 D4 15A/300uH Q1 2SK1941 AB2 AB1

D6 PA905C6 L4

C6 0.47/250

C5 0.1/250

C12 1.8/400

RY1B G4W-1112P-US-TV8

C7 0.47/250

1 2 3

A

R8 1P3.3

D5 1GWJ43

C100 1.8/400

C13 390/450

C10 0.01/250

8
Z2 1500V

C9 2200P/250

R10 47K

1mH/15A

1mH/15A

R7 5P0.05

R11 1P3.3

D20XB60 RY3B G4W-1112P-US-TV8

C14 390/450

R9 47K

Q2 2SK1941

D7 1GWJ43

Z1 430V

1M

R1

5mH/5A

B

150K(F)

C11 0.01/250

150K(F)

D8 ERA15-06V5

D9 ERA15-06V5

7

150K(F)

IC2 BA17812T

RY3A G4W-1112P-US-TV8

C17

C18 C23 0.1/50 C24 10/50

6
from SUB POWER BOARD +18V

CN4 B2P-VH

0.1/50 RY2B G5N-1A

0.1/50

1 2

1P20K

R15

R22

10K

R16

5
C19 100/16

1P20K

Q4 2SA933

1P20K

R18

VR1 22KB

ZD1 MTZJ5.1B

R20 330

Q3 2SC2120

240u/6V

C27

0.15/50

470P/50

C28

R33 1K(F)

VR2 1KB

4

68P/50

9 10 11 12 13 14 15 16

8 7 6 5 4 3 2 1
C25

C26 0.1/50

R26 1P2.2

IC3 FA5332P

ERA15-06V5

ERA15-06V5

R29 470K

R30 33K

D10

D11

3.3K

1P20K

R17

2.4K

R23

R24

10K(F)

47/35

C16

R27

R31 33K

R25 1.2K

3

C21 1.2/100

C22 470P/50

C20 1/50

C101 0.1/50

2
ZC-0159-A-1 4

CN5 B2B-XH-A

TEST

1 2

R32 1K

CONSOLE-DC CIRCUIT DIAGRAM 1/3 (PW1D)

1

1K(F)

R21 10K

R34

120K(F)

R14

R6

120K(F)

R13

R3 4.3

R5

120K(F)

R12

R4

P

O

N

M

L

K

J

I

H

G

F

E

D

C

B

A

CONSOLE-DC CIRCUIT DIAGRAM 2/3 (PW1D)

PW1D
12

11

10
D16 ERA15-06V5 RY4A G4W-1112P-US-TV8 D17 ERA15-06V5 T1 NT-321 D12 1DL42A IC6 BA24T D13 1DL42A

D18 ERA16-06V5

9
ZD2 C47 0.1/50 R46 1K MTZJ5.1B

R45 2P2.2K

R47

C45 47/50

2SC4161-N

R36 2P220K

R42 2P220K

C48 10/50

10K
Q13 2SC1815-GR CN6 B10P-VH

A

D14 1DL42A

C46 0.1/50

Q5

D15 1DL42A

IC4

VR4 100B

3 4 5

1 2 7
R38 2P1.5

C39 1000P/630

Q7

C31 100/16

C41 100/16

IC5

D19

RY5B G4W-1112P-US-TV8 R48 30P/30

RY4B G4W-1112P-US-TV8

1 2 7 12 8 9 14

3 4 5

12
C29 390/450 C30 390/450

C35 0.56/400

C37 0.56/400

D20LC20U

RY5A G4W-1112P-US-TV8 TM2

1P22K

R40 2P1.5

R49

1 2 3 4 5 6 7 8 9 10
C15 0.1/100

C33 1000P/630

VR3 100B

8

2SC4461-N

Q9 2SC4461-N

Q11 2SC4161-N

2SC4461-N

Q10 2SC4461-N

2P22K

R52

C49 680/100

C50 680/100

C51 680/100

C52 680/100

C53 680/100

C54 680/100

Q8

C32 100/16

C42 100/16

C34 1000P/630

C40 1000P/630

B
T2 NT-322

1P4.3K

R39 2P1.5

R41 2P1.5

R51

D20 D20LC20U

CN7 B9P-VH

R53

BX6607

BX6607

2P22K

R50

110oC

1P2.2K

C36 0.56/400

C38 0.56/400

47(F)

R44

D21 ERA15-06V5

to D/D UNITS

Q6 2SC4161-N

R37 2P220K

Q12 2SC4161-N

R43 2P220K

47(F)

R35

10 11

8 9 14

10 11

7

1 2 3 4 5 6 7 8 9

6

5

C43

C44

4700P/250

4700P/250

4

3

2

ZC-0159-B-1

CONSOLE-DC CIRCUIT DIAGRAM 2/3 (PW1D)
5

1

P

O

N

M

L

K

J

I

H

G

F

E

D

C

B

A

CONSOLE-DC CIRCUIT DIAGRAM 3/3 (PW1D)
D101

CN101 B2B-PH-K-S

PW1D

22/400

12
C101

1 2
1P22K R101 2P22K
IC101 2SC4815

D2SBA60

1P22K

R102

R105
ZD100

11

1P27K

R103

5.1K(F)

CN1 RT-02T-1.3B

1.5K(F)

R104

R107

MTZJ5.1B

2P22K
CN2 B03P-VL

10

INPUT AC80~230V

1 2

R106

1 2 3
F1

to POWER CONVERTER BOARD
L2 T1 NT-332A D4 D3L20U R5 1P33 C10 10uH/1A 622LY-100K CN4 B2P-VH

R1 1M

1JU41

8
C5 0.1/50

2
1

3

AB1

IC1 MIP0222SY

BEADS

C11 220/35

R3

R6

330

C6 47/25

6.2 D3 1DL42A PC1 TLP721F

7

C7 0.1/50

R7

470

C14 R8 10K 0.1/50

R9 39K(F)

R10 10K(F) R4

6
F2 L3 D5

C8

C9

6.2 L4

IC2 TA76431S T2 NT-333A D8 D3L20U R15 1P33 C24 CN5 B2P-XH-A

2200P/250

2200P/250

C12 100/35

D2

18mH/0.5A 744003

D2SBA60

C13 0.1/50

Z1 430V

9

CN3 B3P-VH

33/400

C3

R2 2P100K

1A/250

C4 4700P/1K

to POWERSWITCH

C1 0.1/250

C2 0.1/250

1 2 3

L1

D1

1 2

to POWER CONVERTER BOARD +12V OUTPUT

390P/1K

C15 0.1/250

C16 0.1/250

R11 1M

C18 4700P/1K

1A/250

33/400

C17

R12 2P100K

10uH/1A 622LY-100K

1 2

to POWER CONVERTER BOARD +18V OUTPUT

5

Z2 430V

1JU41

C25 220/35

2

3
1

4
C19 0.1/50 R13 C20 47/25 C21 0.1/50

AB2

IC3 MIP0222SY

BEADS

330

R16

6.2 D7 1DL42A PC2 TLP721F

3

R17

470

C28 R18 10K 0.1/50

R19 62K(F)

R20 10K(F) R4 C22 C23

2
2200P/250 2200P/250

6.2

IC4 TA76431S

ZC-0160-A-1

CONSOLE-DC CIRCUIT DIAGRAM 3/3 (PW1D)

1

6

C26 100/35

D6

18mH/0.5A 744003

D2SBA60

C27 0.1/50

390P/1K