Carver M-500 User manual

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M-500 Power Amplifier

SERVICE

MANUAL

CONTENTS

BLOCK

DIAG

RAM

SPECIF

ICATIONS

ALIGNMENT

PROCEDU

RES

ALIGNMENT

POINTS

PCB

P$376

FOI

L SIDEVIEW

PCB

MA-375

FOIL

SIDE

VIEW

SCHEMATICDIAGRAM

PARTS

LIST

Page

5-6

7-8

9- 10

BLOCK

DIAGRAil,I

POWER

SUPPLY

CONTROL

| _-_ --_J

AMPLIFICATION

BTL

CIRCUIT

OUTPUT

UNIT

OUTPUT

SPECIFICATIONS

osensitivity.. .1.4V

Input:1000H2

Output:200W

oOutput power more

than

200W

Input :Mainin

Output:0.05%

THD

2OHz-2OO00Hz

continuous

bothCH.driven

olM Distortion

factor.. . . . less

than

0.05%

Input :Aux60Hz:7OOOHzl

Output:200W

oFrequencyresponse... 2OHz-2OO00Hz

lnput :Mainin

Output

000H2

20Wt0.5dB

oSignal

to noise

ratio

(IHF-A) more

than

100d8

(lnput

short)

Mainin

oResidual

noise(lHF-A) . .200PV

oDamping

factor. . . .more

than

Input :Aux

150H2

Output:20W

olnputimpedance... ..1sKohm

at1000H2

Main

oDynamic

head

room .stereo 240W(4C})

230w(8s})

mono 529\

/(aS2)

620W(8s})

oCrosstalk

Between

the

channels

of stereo

eqnripment

Output:20W

Mainin(

Input:Shorted)

1000H2 'more

than

80dB

20000H2 'more

than

60dB

oOutput load

Speakeroutput Sohm

OMaximumpower

consumption.

. . .1

100watts

oAC power

supply. 22OV,50/60H2

oNetweight

. . 10.5k9

oDimension.. .. . W=440

H=110

D=348mm

Specifications

and design

are

subjectto change

without notice.

-2-

ALIGNMENT

POINTS

MA.375PCB

METER

UNIT

ALIGNMENT

PROCEDURES

Step Connect Ajust Adjust

for

POWE

R SUPPLY

1Rotate

SVR503

and

R504

fullycounter-clockwise.

2VTVM

R178

(test

point

side) SV

R5O3 74V

5Set

the

speaker

impedance

selector

switch

to "8f)".

BIAS

RRENT

6Preheat

for more

than

5minutes.

7 | DCdigital

voltmeter

LIVE/GND

TP1/TP2

(LI

TP3/TP4

)

SVR1O1

(L)

SVR102

(R) 6mV11mV

METER

IConf

irm

that

the

meters

indicate

watt

atnoinput.

IInput ....

kHz

input

jacks.

Ouput ....Speakerout Speaker

out100W

10 SVR6Ol

(L)

SVR6O2

(R) Meters

100W

P9376

PCB

0point

adjustment

-3-

POWERSUPPLY

BOARD

(PS-376)

€*ssg[Fl

'fr

P \\ fDfDTTTT

=F's22=

f €

€€

€'€

€€

>R I l(,oHJJtr.tr JJcc(r

lH v)

-d

iol5

lH6>

,=d4

!JLq

iZoi

-u

'oox

L1:l

o - (\ (9 $ K) r\ cD o - (\ c) sf lo (o

ol (\t (\l c\ c! N c-{ c9 !f sf t $ sf sf sf

I IRf,rt

-)P

| _-li

ll)J

-l

L__l

,zt

I<P

t:@

lEu

)-q

z-4-

MA|N

AMP

BOARD

(MA-375)

INDCA

---l

-l-i

t-\

tr' sw20)

RELAY

SELECT s/v

201

Lch METEFeSELECT

L____J

----4An--:.,

n1r? ;'

,,.__J<:_ f

dri' ', f;

330

34o

-i i

.-.,v_

-|'fLF*

F rC--

ll 1A

Y-"

6aq

lle; {"["7 s6ze.ken

a-)1,/":,y o,.,!

4tz + gi' hj

*l*# s ql ctl€ nri c'u^)lubl< -c,!,,'rle,let .*t -roo, Far.if

pa,t*e { an/af{' 7ut ,';, ^h." ,ru} ;^r(-.1",( cr,\ .,tt

-too.

- |

t.".

-5-

)del

c11;'.-

ilF-:"" "' "

' .*drdF-"

"'",

ffiea

1..

. .Thermal

relay

(to 38)

2. . . .Thermal

relay

(to 5)

4....to19

5. . . .Thermal

relay

(to 2)

6. . .'.Gt\D

7. . . .SpeakeiAterminat

Lch -& R ch

8. . .Speaker

A terminal

L ch +

9... , .Speaker

terminal

L ch+

10.

. . .cND

11. . . .Speaker

Bterminal

Lch -& Rch

12. . . .SpeakerAterminal

13. . . .Speaker

Bterminal

R ch

14. . . .cND (to

17)

17.

. . .cND (to

14)

19. . . .GND

(to

20. " . .L ch

37.5V/73V

21. . . .Rch

37.5V/73V

22. . . .L ch -37.5V/-73V \ -

23. . . .Rch

-37.SVl-73V

24. . . .74V

25. . . .Muting

26. . . .L ch-B Switching

27. . ..Lch +B.Switching

28. . . .R ch -B Switching

29. . . .R ch +B Switching

32. . . .R ch meter

33. . . .R

ch meter

34. . . .L ch meter

35. . . .L ch meter

38. . . .Thrmal

relay

(to 1)

39. . . .38V

40. . . .-3BV

....-74V

li*

t-l

*' l

I .,

3*'-,

ffi,

-l

f tat

R;,138 !

-6-

SCHEMATICDIAGRAM

ILNIRDIODI

ll lU.)02 : x1i17

iol : XZ200

zD 502 , Xl

t00

lD 5C3,504

: XZ265

601

602

: XlllT

0100t

0 l0l-110.507

: tN4t48

D Ili^11,1,

242-244.4A9

412,508,509.516.5i/

: rN4002

D201

,301.302,

5ll.60j : DS

442

401-404 : 300FZFC

D 502

- 505 : CP3CDL

D 501 : KBPC25

- 02

D506 j DBA

loc

515 : 0BAl0E

D 518 , 0BA

108

-7-

rcl0;

IC PIN 35 6

VOLIAGI 0 0A0r+.1

rc301

IC PIN 2 4 8 IO 13 l4

VOtTA6E 0.8 -t2 8 0 500.3 5lt8 0

60r

IC PIN 236 8 9

VOLTA6T 80./8 0-8.7 008.i 8.

f: -T Stands

forSEV

model

SPIAKTR

LtFI

'l-

RlGH]

SPIA|(IR B

LIFI

RIGHI

SiVITCHED

25OW

MAX

(NoTtN

sEVTYPE

)

-8-

PARTS

LIST

Parts

No. Description Symbol No. O'ty

SEMICON

DUCTORS

2SA1111

25881

7 {E)

2SC2591

or R)

2SD1047

(E)

25A722 (S

or T)

2SC1328

orT)

2SC1509

(Oor

2SC536 (F

25A777 (O

or R)

2SA1110

orR)

258705 (O

or R)

2SC2590

or R)

25D745 (O

or R)

2SC1567

orR)

DBAlOB

DBAl

KBPC25-02

1N4002

GP3OD-L

D5442

N4148

3ODF2FC

RGP30G-5001L

xz-100

xz-200

xz-265

xz-117

xz-147

SLP.144D

SM16JZ41

BSOSA

PC-713

AN691

TA7318P

TLO72

orNJM072

2SA921 (S

2SC1685

(Qor R)

2SC1980

or T)

Transistor

.Transistor

Transistor

Rectifier bridge

Rectifier

bridge

Rectifier

bridge

Rectifier

bridge

Diode

Zener

diode

Zener

diode

Zener diode

Zener

diode

Zener diode

LED

Triac

SBS

Photo coupler

rc301

rc601

tc101

0103,104,303,304,

502,506

0501,503,504

o101,102,301,302,

505

16,117,401,402

0407,408

0115,118,403,4U

0405,406

o201,203,601

4202,204-206

Q129,129,207,209

0602,603

0127,130

05,106,1

3,114

Q123-126

0107,108,111,112

Q119-122

0109,110

D518

D506

D51

D502

11-1 14,202-204

4O9-412,5O7-5Og

516,517

D502-505

D201,301,302,511,601

D101-110

.D401-404

zDso2

2D501

2D503,504

2D601,602

2D101,102

Power

indicator

TRt501

SBS501

PC501

CAPACITORS

NP.25TW47OM

MS-16TW1OOM

MS-16TW470M

MS-l6TW1O1M

M916TW221M

MS-16TW471M

MS-2sTW1ROM

MS-25TW4R7M

MS-2sTW1O1M

M$5OTW1

ROM

MS.5OTW47OM

MSlOOTW1

ROM

H682OHS

LUB1K222MHS

LHHl

K682THH

HE12SJYB1O3K

HE4OSJSLl

sOK

HE4OSJSL560K

HEsOSJSLS2OK

HEsOSJSLlOlK

HESOSJYBl

O2K

HM6OSJSL22OK

HE7OSJYB272K

HEgOSJSL471K

Electrolytic

(non-pole)

Electrolytic

lectrolytic

Electrolytic

Ceramic

c201

c527,603,604

c133,605,606

c134,526

c202

03,1

c522

c528

c525

c123,124,517

c203

19-122,135-138

c510,511

c512,513

c508,509

c409-412

c102

c105

106

c107-110

c413-416

c115-118

c401-404

Parts

No. Description Symbol No. O'ty

MY-50VS103J I

MY.50V5393J

MY-5OVS683J

PME271YM7

ECO.U2A222MF

ECO-U2A102MF

ECO-E2A473MW

PME271M647

MF-630TD103-M

TDXM-2J103KZBT

MF-250TD473-M

TDXM-2E473KZBT

MF-250TD224-M

ECO-M1473M2

Mylar

Polyester

(SEV)

Polyester

(SEV)

Polyester

c125-129,601

,602

c506

c111-114

c503,504

c505

c501,502

c502

c507,

514,51

5,51

521

c516

c52g

c129-132, 139-142

RESISTORS

KA2sSS1

O1J

KA255S222J

KA25SS472J

KA25SS1

O3J

KA25SS223J

KA25SS224J

KA25ST4R7J

KA25ST1

OOJ

KA25ST22OJ

KA255T56OJ

KA25ST1O1J

KA2sST2?1J

KA25ST271

KA25ST471J

KA255T561J

KA25ST751

KA25ST821J

KA25ST1O2J

KA25ST1

52J

KA25ST182J

KA25ST272J

KA25ST332J

KA2SST472J

KA25ST562J

KA255T682J

KA25ST822J

KA25ST912J

KA25ST1O3J

KA2sST153J

KA2sST183J

KA25.ST223J

KA25ST273J

KA25ST333J

KA25ST473J

KA255T563J

KA255T683J

KA25ST823J

KA25ST1@J

KA25ST474J

KA5OST33OJ

KA5OST6SOJ

KA5OST1

O1J

KA5OST271J

KA5OSTl

03J

KA5OST223J

I Carbon

I Carbbn

I Carbon

Carbon

(SEV)

Carbon

R521

R520

R514,519

3,51

5-51

R51

R154-161

R174*'177

,413-416

R178-181

146-149

R508.

R128,130,131,133,

611

R162-165

R142-145

139,140,14'l

,193,

216

R106

R103,109,111,120,

122,123,125,132,

134,135,137

,204,

208,215,217,

405-408,608

R'!24,126,127

,129,

607

R31

,1,312

R122,114,115,117

R136,139,606

R166-169

R2A7

R526

R331

R330

R301-306,313,314,

316-327

,509,614,

615

102,104,116,1

119,121

84,185

R110,113,206,2',11,

213,219,417-420

R609,610

01,105

R210,506,522,523

R201-203,205,527

R329,329

R603,604

R209,605

R307-31

R502

50-153

R502

R212,214 I

R409-412,510 |

R524,525 |

-9-

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