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McIntosh MR 74 Service Information page 18

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S201
(ON VOLUME CONTROL)
> - 40V DC
PIN 9 AM
PC BOARD
S202
DIAL SCALE SENSITIVITY
INSULATED
POINTER WIRE
POINTER
V20I
LIGHT
(MPX SECT]
40V DC
I
2.2 K 1/2 W
| 0206
Y
l
[24V
cr
#1866
#1866
#1866
#1866
#1847
#1847
S204-2 REAR
I MODE SELECTOR I
VOLTAGE REGULATOR
C 217
If
R230
H
"
.001.
IM
i
rv
g°5
21 6V
IA M
OV
|ov
JL
GRN/WHT
(19)-> PIN 6
AM PC BOARD
V-/ OV
JL
GRN/WHT
AMPLIFIER
SECTION
MULTIPATH AMP
POWER SUPPLY
SECTION
PC BOARD 044-298
MR74
154-521

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