McIntosh MA6200 Service Information

MAó2OO
RBOS
R804
R805
R806
R807
R808
R809
R81 0
R81.1
RB1 2
R81
3
R81
4
*R8'15
*RB1
6
RB1 7
RB1
8
R81 I
RB2O
RB2 1
RB22
R823
RB24
R825
RB26
RB27
R828
R829
R830
R83 1
R832
R833
141062
141062
1 41
066
1
41 066
141106
141
106
141062
1 41
062
1 41
086
1 41
086
141086
1 41 086
1 44091
14409'l
141142
141142
141183
141183
141123
141123
141183
141183
141066
't
41 066
1 41
066
1 41 066
't
41 053
1 41 053
1
41
053
1 41
053
1 41
090
1 41
090
1 41
090
141090
144143
144143
144145
144145
144145
144145
141066
141066
1
391 05
cF, 1.8
cF, 1.8
ct,
2.2
cF, 2.2
cF,5.6
cF,5.6
FP
FP
FP
FP
FP
FP
CF
R834
RB35
R836
-
RB37
-
R83B
*
R839
cF,
3.9k0, 5%, 1/4W
cF,
3,9k0,
5%,1/4W
cF, 5,6k0,
5%, 1t4W
cF, 5,6k0,
5%,
1/4W
CF, 270k0,
5%0,1/4W
cF, 270k0,
5%,1/4W
cF, 3.9kO,
5%,1/4W
cF, 3.9kO,
5%, 1/4W
cF, 39k0,
5%, 1/4W
cF, 39k0,
5%, 1/4W
MO, 5%
Mç,,
5%
kç¡,5%,
kQ,
59/0,
ko,5%,
kn,5%,
1|4W
1/4W
,1/4W
,1/4W
/4W
/4W
1/2W
1/2W
,1/4W
,1/4W
1/2W
1/2W
1
/4W
1/4W
1/4W
1/4W
1/4W
1/4W
1/4Vt
1/4W
cF,
39kO, 5%,
cF,
39kO, 5%,
MF, 1.'tk0, 1%
MF,
't.1ka,
1%
cF, 180,
5%, 1
cF, 1BO,
5%,
1
cF, 2..2kA,
5%,
cF, 2.zk0,,
5%,
cF 1.5k0
5%
cF 1.5k0
5%
cF 56k0,
5%,
cF 56k0,
5%,
cF
56k0,
5%,
cF 5.6k0
5%
cF
5.6k0
5%
cF, 1 skO
5%
cF,
1 5k0
5%
cF,
56k0,
5%, 1/4W
CF,
18A,5%,
1/4W
18A,5%,1/4W
1ka,5%,1/4W
1k{t,5%,1/4W
1ko,5%,
1/4W...,(689
1k0,5%,
1/4W....(689
5.6k0,
5%,1/4W
5.6k0,
5%,1/4W
S/N 8X1001
to 8X2840:
WW,
0.15C,,
5%,5W.,..(6374)
S/N BX2B41
and above:
WW,
0.150,
5%, 5W,
Noninductive....(63i4)
S/N
8X1001
to 8X2840:
WW,
0.150,
5%,5W.,..(6374)
S/N 8X2841
and above:
WW,
0.15ç¿,
5%, 5W,
Noninductive....(6374)
S/N
8X1001
to
BX2B40:
WW,
0.150,
5%,5W....(63i4)
S/N
8X2841
and
above:
WW,
0.150,
5%, 5W,
Noninductive,.,.(6374)
S/N 8X1001
to 8X2840:
WW,
0.150,
5%,5W...,(63i4)
S/N
BX2B41
and
above: WW,
0.150,
5%,
5W, Noninductive....(6374)
ww,
100,
10%,2w
ww, 100,
10%,2w
POT,
1000, 20%,1/4W
POT,
1000,
20%,1/4W
FP,
1500,
5%, 1/4W
tP,
1500,
5%,1/4W
FP,
4700,
5%, 1/4W
FP,
4700,
5%,
1/4W
RB57
RB58
*
RB59
'R960
R861
RB62
R863
R864
-
R865
*
R866
141106
141't06
1 44066
1 44066
141106
141106
1 41
055
141055
1 44053
144053
CF,
270k0,
5%,
1/4V'l
ct,270RA,5%,
1/4W
FP,
220,
10%,.1/2W
FP,22rJ,10%,1/2W
cF, 270k0,
5%,1/4W
cF,
270k0,
5%,
1/4W
cF,
1.8kO,
5%,1/4W
cF,
1 .8k0,
5%,
1/ 4W
MF,
10k0,
1%,1/4W
MF, 10k0,
1%,1/4W
POWER
SUPPLY
PC
BoARD
045369
Symbol
Part
No.
No.
Description
CAPACITORS
(CD
=
Ceramic
Disc,
ELECT
=
Etectrolytic)
C201
066274
ELECT,
47p,F,35V
C202
061043
S/N
8X1001
to 8X2840:
CD, .01pF,
+
80
-
20%....
(6354)
061048
S/N
8X2841
and
above:
CD, .05¡rF,
+80
-20%,
100v, 25v....(6354)
C203
066247
ELECT,
2200p"F,16Y
C204
066247
ELECT,
2200p"F,16Y
C205
066274
ELECT,
2200pF,
16V
C206
061043
S/N
8X1001
to BX2B40:
CD, .01pF,
+
B0
-
20%.,..(6354)
061048
S/N
BX2B41
and
above:
CD,
.OS¡rF,
+ B0
-
20%,
100v, 25v....(6354)
C207
066236
ELECT, 470p"F,6.3V
C20B
066274
ELECT,
47p"F,35V
FUSES
.F201
174188
#30 Solid
Copper Wire,
(Fusibte
Link)
0l0DES
(RECT
=
Rectifier,
Si
=
Silicon,
ZN
=
Zener)
'D201
070031
si,
RECT,
400 PtV,
1.5A
.D202
070031
Si,
RECT, 400
PtV,
1.5A
'D203
070103
Si, ZN, 18V,
S%,
500mW,
|NS248B
.0204
070103
Si, ZN,
18V,
S%,
500mW,
|NS248B
.0205
070085
Si, ZN,
6.2V,
5%,
500mW,
tNS234B
TRANSIST0RS
(Si
=
Silicon)
.0201
132173
S¡,
PNP, Setected
MJE29S5
'Q202
132174
Si,
NPN, Setected
MJE3055
.0203
132143
Si, NPN,
MPS-D05
.Q204
132147
Si, PNP,
MPS-Ag3
.0205
132143
Si, NPN,
MPS-005
.Q206
132185
Si,
NPN,
Setected
2N6429A
,Q207
132143
Si, NPN,
MPS-DOs
.0208
132143
Si,
NPN,
MPS-005
.0209
132143
Si, NPN,
MPS-D05
.0210
132143
S¡,
NPN,
MPS-005
RESIST0RS
(CF
=
Carbon
Film,
WW
=
Wirewound,
Fp
=
Flameproof
)
*R201
139157
WW,
FP,
1800,
10%,2W...
R202
141068
CF,
6.80,
5%, 1/4W
R203
141072
CF,
10k0,
5%,1/4w
R204
141072
CF, 10k0,
5%,1/4w
R205
't41059
CF, 2.7k0,
5%,
1/4W
R206
141068
CF,
6.8k0,
5%,1/4W
.R207
139157
WW, FP,
1800,
10%,2W...
R208
141082
CF, 27kA,
5%,
1/4W
(
7056)
/4W
/4W
/4W
.R840
*R841
.
R842
R843
R844
'R845
7)
7\
1
391 25
.R846
139't05
139125
.R847
139105
1 391 25
.RB4B
139105
1
391 25
1
391
31
139131
1
34359
1 34359
1 441 47
1 441
47
144144
144144
.
Rg49
-
RB50
.R851
'Rg52
.
Rg53
.R854
*R855
.
Rg56
(70s6)

McIntosh MA6200 Specifications

General

Power Output	75 watts per channel into 8 ohms
Output Impedance	8 ohms
Frequency Response	20Hz to 20kHz +0, -0.5dB
Input Sensitivity	2.5mV (MM), 250mV (line)
Input Impedance	47k ohms (phono), 100k ohms (high level)