Carver M-500 User manual

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0
t
t
t
D
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
2
2
3
3
4
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
.l
Output:200W
oFrequencyresponse... 2OHz-2OO00Hz
lnput :Mainin
Output
:
1
000H2
20Wt0.5dB
oSignal
to noise
ratio
(IHF-A) more
than
100d8
(lnput
short)
Mainin
oResidual
noise(lHF-A) . .200PV
oDamping
factor. . . .more
than
30
Input :Aux
150H2
Output:20W
olnputimpedance... ..1sKohm
at1000H2
Main
in
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-

t
,j
t
rf
rr
I
ALIGNMENT
POINTS
MA.375PCB
METER
UNIT
ALIGNMENT
PROCEDURES
Step Connect Ajust Adjust
for
POWE
R SUPPLY
1Rotate
SVR503
and
SV
R504
fullycounter-clockwise.
2VTVM
R178
(test
point
side) SV
R5O3 74V
5Set
the
speaker
impedance
selector
switch
to "8f)".
BIAS
CU
RRENT
6Preheat
for more
than
5minutes.
7 | DCdigital
voltmeter
LIVE/GND
TP1/TP2
(LI
TP3/TP4
(R
)
SVR1O1
(L)
SVR102
(R) 6mV11mV
METER
IConf
irm
that
the
meters
indicate
0
watt
atnoinput.
IInput ....
l
kHz
to
input
jacks.
Ouput ....Speakerout Speaker
out100W
10 SVR6Ol
(L)
SVR6O2
(R) Meters
100W
P9376
PCB
I
0point
adjustment
-3-

POWERSUPPLY
BOARD
(PS-376)
€*ssg[Fl
'fr
P \\ fDfDTTTT
=
=F's22=
f €
€€
€'€
€€
>R I l(,oHJJtr.tr JJcc(r
lH v)
tF
-d
iol5
lH6>
,=d4
!JLq
tJ
iZoi
l.
-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
r3
le
l9
.<
I IRf,rt
tT
-)P
| _-li
ll)J
-l
:l
ll
L__l
,zt
I<P
t:@
lEu
)-q
F<
AA
z-4-

MA|N
AMP
BOARD
(MA-375)
INDCA
---l
CI
-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.
ll
- |
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
B
terminal
L ch+
10.
. . .cND
11. . . .Speaker
Bterminal
Lch -& Rch
+
12. . . .SpeakerAterminal
R
ch
-
13. . . .Speaker
Bterminal
R ch
-
14. . . .cND (to
17)
17.
. . .cND (to
14)
19. . . .GND
(to
4)
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
41
....-74V
/r
c
11
,l
li*
t-l
*' l
I .,
3*'-,
ffi,
I
-l
il
jl
il
li
I
I
I
{F
f tat
R;,138 !
-6-

SCHEMATICDIAGRAM
ILNIRDIODI
ll lU.)02 : x1i17
ZD
iol : XZ200
zD 502 , Xl t00
lD 5C3,504
: XZ265
ZD
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
D
401-404 : 300FZFC
D 502
- 505 : CP3CDL
D 501 : KBPC25
- 02
D506 j DBA
loc
D
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
rc
60r
IC PIN 236 8 9
VOLTA6T 80./8 0-8.7 008.i 8.

f: -T Stands
forSEV
model
SPIAKTR
A
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
(O
or
R)
25881
7 {E)
2SC2591
(O
or R)
2SD1047
(E)
25A722 (S
or T)
2SC1328
(S
orT)
2SC1509
(Oor
R)
2SC536 (F
or
G)
25A777 (O
or R)
2SA1110
(O
orR)
258705 (O
or R)
2SC2590
(O
or R)
25D745 (O
or R)
2SC1567
(O
orR)
DBAlOB
DBAl
OC
DBAl
OE
KBPC25-02
1N4002
GP3OD-L
D5442
1
N4148
3ODF2FC
or
RGP30G-5001L
xz-100
xz-200
xz-265
xz-117
xz-147
SLP.144D
SM16JZ41
BSOSA
PC-713
AN691
2
TA7318P
TLO72
orNJM072
2SA921 (S
or
T)
2SC1685
(Qor R)
2SC1980
(S
or T)
tc
tc
tc
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
.Transistor
Transistor
Rectifier bridge
Rectifier
bridge
Rectifier
bridge
Rectifier
bridge
Diode
Diode
Diode
Diode
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
01
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
o1
05,106,1
1
3,114
Q123-126
0107,108,111,112
Q119-122
0109,110
D518
D506
D51
5
D502
D1
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
1
1
1
6
3
5
4
2
2
2
3
4
4
2
2
4
4
4
4
2
1
1
1
1
16
4
5
10
4
1
1
2
2
2
1
1
1
1
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
LH
L1
H682OHS
LUB1K222MHS
LHHl
K682THH
HE12SJYB1O3K
HE4OSJSLl
sOK
HE4OSJSL560K
HEsOSJSLS2OK
HEsOSJSLlOlK
HESOSJYBl
O2K
HM6OSJSL22OK
HE7OSJYB272K
HEgOSJSL471K
Electrolytic
(non-pole)
Electrolytic
Electrolytic
Electrolytic
Electrolytic
E
lectrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
c201
c527,603,604
c133,605,606
c134,526
c202
c1
03,1
04
c522
c528
c525
c123,124,517
c203
c1
19-122,135-138
c510,511
c512,513
c508,509
c409-412
c102
c105
c
106
c107-110
c413-416
c115-118
c401-404
c1
01
1
3
3
2
1
2
1
1
1
3
1
8
2
2
2
4
1
1
1
4
4
4
4
1
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
or
TDXM-2J103KZBT
MF-250TD473-M
or
TDXM-2E473KZBT
MF-250TD224-M
ECO-M1473M2
Mylar
Mylar
Mylar
Polyester
(SEV)
Polyester
Polyester
Polyester
Polyester
(SEV)
Polyester
Polyester
Polyester
Polyester
c125-129,601
,602
c506
c111-114
c503,504
c503,504
c505
c501,502
c502
c507,
514,51
5,51
g,
521
c516
c52g
c129-132, 139-142
6
1
4
2
2
1
2
1
5
1
1
I
RESISTORS
KA2sSS1
O1J
KA255S222J
KA25SS472J
KA25SS1
O3J
KA25SS223J
KA25SS224J
KA25ST4R7J
KA25ST1
OOJ
KA25ST22OJ
KA255T56OJ
KA25ST1O1J
KA2sST2?1J
KA25ST271
J
KA25ST471J
KA255T561J
KA25ST751
J
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 Carbon
I Carbon
I Carbon
I Carbon
I Carbon
I Carbbn
I Carbon
I Carbon
I Carbon
I Carbon
I Carbon
I
I Carbon
I Carbon
I Carbon
I
I Carbon
I Carbon
I Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
(SEV)
Carbon
Carbon
Carbon
Carbon
Carbon
R521
R520
R514,519
R
51
3,51
5-51
g
R51
2
R51
1
R154-161
R174*'177
,413-416
R178-181
R
146-149
R508.
R128,130,131,133,
611
R162-165
R142-145
R
139,140,14'l
,193,
216
R1
07
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
R
102,104,116,1
1
g,
119,121
R1
84,185
R110,113,206,2',11,
213,219,417-420
R609,610
R
1
01,105
R210,506,522,523
R201-203,205,527
R329,329
R603,604
R209,605
R307-31
0
R502
R
1
50-153
R502
R212,214 I
R409-412,510 |
R524,525 |
1
1
2
5
1
1
8
8
4
4
1
5
5
2
4
3
4
1
1
1
1
23
6
2
10
2
2
4
5
2
2
2
4
1
4
1
2
5
2
4
4
5
1
1
20
-9-