Yamaha Pc5002m User manual

DUAL

CHANNEL

POWER AMPLIFIER

.FRONT PANEL

PAOASSIONAL

SERIES

POWER

AMPLlFliR

O

TNEllMlL

O

,,.."a

WN

[s

@

CHANNEL

A

CHANNEL

B

CJ

PUSH

ONIWIH

POWER

Of-

O

WF-

-0B

Q,

REARPANEL

..............................

1

SPECIFICATIONS

...........................

1

NAMESOF THE PARTS.

......................

2

DISASSEMBLY INSTRUCTIONS,

................

3

GENERAL ADJUSTMENTS

....................

4

PRINTED CIRCUIT BOARD LAYOUT

.............

5

PARTSLIST

............................

1-17

COMPLETE CIRCUIT DIAGRAM

WIRING

NIPPON GAKKI

CO.,

LTD. HAMAMATSU,.JAPAN

2.2K

O

Pr~nted

~n

Japan.3.83.

1

.REAR PANEL

!

Japan Model

I

European Model

Continuous RMSOutput Power

STEREO 8S2(20Hzto20kHz.THD 0.003%)

.

500W

+

500W

4n(20Hzto 20kHz,THD 0.01%)

. .

750W+750W

BTL(MON0)8n(20~zto 20kHz.THD 0.01%)

......

1500W

Power Bandwidth

250W18S2, THD 0.1%

..............

10Hzto 100kHz

Input Sensitivityjlmpedance

500~/8n

........................

1.73~/25ka

Frequency Respoqse

8n, 1W

...................

10Hzto 100kHz

2

dB

Subsonic Filter

..................

fc=7Hz, -12dBloct

Signal-to-NoiseRatio (IHFA, RL=~S~)

...........

122dB

Total Harmonic Distortion(STEREO)

20Hz to 20kHz, 250W1852

...........

0.003% less than

USA

Model

Primary Fuse

..............

15A, 250V

x

2(USA model)

T6.3A, 250V

x

2(Europeanmodel)

15A, 125V

x

2(Japan model)

Power Supply

.................

AC 120V(USAmodel)

AC 220/240V(European model)

AC 100V(Japanmodel)

Power Consumption (EIAJ)

.........

1000W(Dualchannel)

Dimensions(W

x

H

x

D)

............

482

x

289

x

482

mm

19

x

11-318

x

19 inch

Weight

.........................

61 kg(134.2 Ibs)

'Specifications subject to change without notice.

I.

.y7fi/\'-&Lbf

b,

....../fs:,7

79-

b, F5-f

7'9-

I.m2t%fi~W$~b.

y-f

Fn/f-&ibf

T,

......

V~P

39-

r,

wa;R

b

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k-

+

9>3 (1)

7)

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U)2#@h'qiETTo

~-sY)L~=.Y

b

&LZ~T,

......

A~Q-

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an1,

I/-:/-

I.mnt%fi.rwa-r.it,

*I.~i'j/\'-&LbqT,

......y-f%-

Fp-

I.,

$-I5

I.?>Xm9#@fiTii$Tb0

7a>~./f+~b&IbTb.......$-9-9-

b.

3-9-?>I:'/- b,LED9- bm5Zt%fiq6$Tb0

Removal of top cover

:

buffer circuit board, drive circuit board can be replaced.

Removal of side covers

:

sub power supply circuit board, sub power supply transformer can be replaced.

Removal of heatsink (rear)

:

power circuit board can be replaced.

Removal of terminal unit

:

input circuit board, output relay circuit board, can be removed.

Removal of bottom cover

:

diode circuit board, main power transformer can be replaced.

Removal of front panel

:

meter circuit board, meter lamp circuit board, LED circuit board can be replaced.

TERMINAL UNIT

1-

.y

I.

/f7-9-

b

(L)

/f7-9-

b(R)

POWER C.BOARD(L) POWER C.BOARD(R)

I

7~4

a-

9-

b(

DIODE

C.BOAF

BUFFER C.BOARD

/f>y

7

9-

b

~7<7"*9-

b(L) P74?>- b(R)

DRIVE C.BOARD(L) DRIVE C.BOARD(R)

POWER C.BOARD(R) POWER C.BOARD(L)

/f7->-

b(R)

/f7-9-

b

(L)

I

Cl~oF'U'UDR

ELAY

LYTlC

I

CAPACITOR

I

$+'>

$4>

b7>Z b7>X

MAIN POWER TRANSFORMER

5+"-14-- P

-5-

b

(L)

DIODE

C.BOARD(L)

7'

VltiR

$--57-7>7O

9-

b

>-

b b7>Z

METER LAMP

P

""A

Q

.Y

C.BOARD SUB POWER TRANSFORMER

I

SUB POWER SUPPL

I

LED9- b

LED C.BOARD

".Y"T\I

ID

1

I

1'

METER

ATTE

NUATO

R

POWER'SWITCH

7syyq.-9-

/f7--44*~7-

2

I

.DISASSEMBLY INSTRUCTIONS

2,

tt-i

E'/I=+JLOlMfLft

Om$P&ibfLdf.

3,

k-

1.929

('l7')

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l.3

@.

@o,+'iflbf Ldb.

4,

*

t-

lrnlr-mM+

LA

8.

0m+5%ttfLdb0

1.

Removal of Top Cover

Remove screws

a

and

0.

Remove screws

6

and

7

.

5,

7a>E/cw~coltfLft

b

~Y7'A/\'--.

*

b.LA~\'--&CtfLdf.

@@O)+'i&lbfLdb.

5.

Removal of Front Panel

Remove the top cover and bottom

a@mlr.~%~$f'ift:/f~~77

9-

bh'Cbfhb

to

a@-om+'iaisfb1: ~4.r~~-bt~li~11.d~~

@@~+'i&CbfbtV7'@B9-bVlbfhdb,

7,

tt7'F5>XOltf Lh

0.

@m+'i&Cifbt:Vy

b

4:,zAssSy Vlbfhdb.

@OO)+'i%Cif

ttV7'b4>~7YCifhbt,

6.

Removal of DriveCircuit Board, Buffer Circuit

Board, Sub Power Supply Circuit Board

Remove screw@. The buffer c~rcuitboard can

now be removed.

Remove screws

@

-

@

.

The drive circuit

board can now be removed.

Removescrew

@

.

The sub power supply circu~t

board can now be removed.

@@m;t.'ifldf .tfC;Y9- 5t)l.1=~bVtZfh2.t.

.@m+'i&ltfelb~h

'I

b-9-

btFCbfhbt.

8.

Removal of Tower Circuit Board, Output Relay

Circuit Board, and Terminal Unit

Removescrew

@

.

The power circuit board can

.GENERAL ADJUSTMENTS

ADJUSTING POINTS

TPO

TPV-

TPE-

TPE.

0

DRIVE C.Boord lR1and lL1

IIRR

Step

'

2

3

'2 Pay dueattentiontothedummy load, which must handle high output power.

BBP*

Adjustment

Point

VR30.2

VR303

VR301

VR901

(Lch)

VR902

(R ch)

*I

R

B

4i

R

Adjustment item

X@mE%@E%%

Voltage adjustment

of regulated power

supply

P-rP1)>Ya;3

=

Idlingcurrent

adjustment

j-s-@,-ga%

Meter sensitivity

adjustment

tx~iti'.f2~

Test

Point

TPV(+)-E

TPV(-)-E

TPE(+)-TPO

TPE(-)-TPO

-

To be performed

12s

Equipment

79

9

Jb

*

lb

I.

3-7-

Digital

Voltmeter

2l)*]bt.

3-7-

Milli-

voltmeter

"El

;&

st^^

Audio signal

Generator

R

$55

Procedure

72

I.

L0>TPV+C.i~--Z/fL7

(r?>

FB~)mt~frfi39rfs

i:?dB&

i

1-

VR

fr%Et6,

Adjust the VR toobtainthe rated

voltage reading between test pin

TPV and chassis ground.

7X

I.

Y>TPV-CZ/T-LW~~

(Y7> FB-7) m@E&-3R%f&

iCfd6

&

i

r=

VR

&-%Ebb,

Adjust the VR toobtain the rated

voltage reading between test pin

TPVand chassis ground.

&r;*Cdl,

VR

frzL\7lfL\i=

HLTi=jBi&tL, 593b7mr

-9>5fbizR%@i:fd6.k

i

i=%!?&66,

First turnthe VR fully counter-

clockwise. Then switch on the

power, wait for at least 5 minutes,

and adjust the VR obtain the rated

reading.

IkHzmW+%&-h%ILf:i%Fm, X

~ttrm

(soow/a

n,

63.3~)

i=%-9-~7ltS%v

0

dB2 fd6

dr

i

i:%E?f6,

Adjust the VRs toobtain a meter

indication of0 dBwhen a 1 kHz

signal is applied tothe inputand

the output is at rated power (500

W

/8

ohms, 63.3 V).

after step

1.

gem

Rating

+I

20v

+1V

-1 20v

+Iv

5mV-

7rnV

$9-

0

dB

Meter

in-

dication

O

dB

tik

4

Renarks

a1

I

cnf%i:

77fd:

j

*

1

8x71

ma.

7' 2

-

i:

;it

*2

.PRINTED CIRCUIT BOARD LAYOUT

Meter

Lamp.

1

.PRINTED CIRCUIT BOARD LAYOUT

Buffer Drive

Output Relay

Power

Input

TR307, TR320.T

TR324.TR326

2SA970(OR.

BLI

-----

SP

TERMINAL

o,

R

Channel Contracted

R

Channel Contracted

U

R

Channel Contracted

R

Channel Contracted

r-'

------------------------------

G

Model

only

I

A

B

C

D

WIRING

G

MODEL

'

POWER

.CONTENTS

EXPLODED VIEW (ALLOVER)

. . . . . .

.

...

.

.. .

.

1

PARTS LlST (ALLOVER)

.

. .

.

. . .

.

...

.

2

EXPLODED VlEW (FRONT PANEL UNIT)

. . . .

.

.. .

.

3

PARTS LlST (FRONT PANEL UNIT)

.

. . .

.

..

.

...

.

4

EXPLODED VlEW (MAINCHASSISUNIT)

.

. .

.

..

.

5

PARTS LlST

(M;~IN

CHASSIS UNIT)

.

. .

.

. . .

6

EXPLODED VlEW (POWER UNIT).

. . . .

.. .

.

. . . . . .

7

PARTS LlST (POWER UNIT).

. . . ..

.

. . . .

.

..

. . .

.

8

EXPLODED VlEW (TERMINAL UNITIOUTPUT CIRCUIT

BOARD UNITISIDE STAY ASS'Y)

. .

. ........

.

9

PARTS LlST (TERMINALUNITIOUTPUT CIRCUIT

BOARD UNITISIDE STAY ASS'Y)

. .

. . . . . . .

.

. . .

10

EXPLODED VlEW (SUBTRANSFORMER ASS'YI

ELECTROLYTIC CAPACITOR UNIT)

.

. .

..

.

. .

.

11

PARTS LlST (SUBTRANSFORMER ASS1Y/

ELECTROLYTIC CAPACITOR UNIT)

. . . . . . . . .

. .

12

PARTS LlST (CIRCUITBOARD)

. . .

.

. .

.

. . . . . . . .

13

PARTS

L

slNcE

la-

@

YAM

AHA

NIPPON GAKKl

CO

.

LTO HAMAMATSU,JAPAN

ST

.EXPLODED VIEW (All

over)

W

PARTS LIST(All

over)'

%

I

:

New Parts

(%%A?,)

2

I

-

.,

.EXPLODED

VIEW (Front'panel unit)

I

.PARTS UST(Front

panel

unit)

%

:

New

Parts

(%fil.cb)

4

~

.EXPLODED VIEW (Main 'chassis unit)

.PARTS LIST(Main chassis

unit)

F:

I

part NO.

I

Description

3

fBa"a

%

I

---

1

.

#

3

j

I

Main Chassis Unit

%4>P+-Px=*y

b

I

1 NAi81j09:80 Meter C.Board

.

#

9008

%-9-9-i-

160

2 NAi81i06i50 Drive C.Board

#

9006

P94

?.i-

i- 101M 390

3 NAi81i06i60 Buffer C.Board

#

9007

/i*y77~/-

i-

,

330

4

NA~~I

i07i00 Sub Power Supply C.Board #9011

Y7.PB.i-

E

rJ

240

8.

~Ai81i07~10

II

#go14

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U

r.

NAi81i07i20

II

#

9015 G

5. ~Bi82i71i10Cordstopper SR-8P-2

r-

~~i81illi70

t

SR-6P-4

11.

cB;82;57~00

t

SR-5P-4

6.

I

GA;

65;72;001 Power Transformer

IGA;65;73;001

I

7 ~Bi00i12i70Fuse 15A 125V

tx-sC

J 010

r

KB~OO~

13i80

11

UL T~meLug 15A 250V

I!

~~94~73'

U

11.

~~/00;07i70

11

@

R

T6.3A 250V

11

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G

8

LA

i00i43:60 4P Term~nal SBBI01-4P 4PS%%??* 060

9

LB

i20i13;40 Fuse Holder 1PFH

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11-

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J

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P;m2-i-(%)

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,,

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,

U

MG~OO~

11

i

30

I,

10/16A 250V

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11 AAi82i46i80 Ma~nFrame

%4>7k-A

101M 140

12' AAi82i46;90 Trans Folder

i-

S

>X*lcg-

I

120

13 AAi82i47;00 Front Frame

7a>b7k-A

I

130

14 AAi82i47; 10 Rear Frame

1)77P-.L

,I

110

15 AAi82i47;20 Terrniral Mouht Metal

9

-

:

tlcRO+&R

130

16 1AAi82;53[301 Rack Mount Metal

l7r373>b&8

I

1

070

1JIAA;82;53;701 Cord Sto~oerMetal

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3

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18

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BAi80j76j801 Heat Sink B

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F2@E%%@

6

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101~

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19

1

BB

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80:69:401 Strut A

1

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II

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21

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94:03:001 B~ndHead Screw M4X30 Be

/i4

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FI~\*.->

010

22

I

ED;34:00;661

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23 Ei i34i00i86 Bind Head Tapping Screw 4x8 Be

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24 EB i34i01

;

26 Flat Head Screw M4X12 Be

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M3x8 Be

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26

1

Ei i03j02j061 Bind Head Tapping Screw

1

3x20 Ye

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~9

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010

27

1

EV

:

20;30:361 PlainWasher

I

M3 Be

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101~

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~Bj82i71'; 901 Dumper Rubber A

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(%St%)

6

1

.EXPLODED VIEW (Power

unit)

4

PARTS LIST(Power

unit)

I

part

NO.

I

Description

3

.".

%

I

i

I

---

I

,

.

,

8

.

,

3

4.

5'

6.

1

9.

1

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i20/02

i

661PlainWasher 1~2.6ye

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1

.

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M2.6

I

Xi$%

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9

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Bind Head Screw 010

8

1

EV

i30i02 661Spring Washer 1~2.6ye

1x7'1)

>97~9+7-

1

010

12

13

14

Power C.Board

Transistor

r

1

010

15

16.

11

.

20

1

BB i00i44i301Contact Pin

I

0017-08CS

2>93bC>

010

21

IKA~OO~OI

i

701Thermal Protector

1

OHD9OM

1

t-?Jb7'nt39-

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11'

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30 BA i80j73j90 Radiator 101M 220

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4.7~22~

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Earth Lug

Socket for Transistor

Housing

28

29

R'

32

1

EB i34i02i061Flat Head Screw

, ,

,

4,

,

0

101M

AC201

2SA1117(O,Y)

2SC2608(0,Y)

EV i30i00i36

ED i33i01i06

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030

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C605.606

R654.655

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k7>9X9-!l+r

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Rear PanelA

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090

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.EXPLODED VIEW (Terminal unit/Output c.board unit/Side stay Ass'y)

W

PARTS LIST(Terminal'unit/Output c.board unit/Side stay Ass'y)

I

Ee

1

part NO.

I

Description

I

&

%

I

Remarks

Ici::,9"l

Markets

1

9

23

1

, -,

.

*

I

Term~nalUnit

i

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47'

Ei

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Yamaha PC5002M User manual

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