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OVERALL
SECTION 4 —
BLOCK DIAGRAM
OVERALL
BLOCK
DIAGRAM
R-CH
SP LEVEL
EXT SP
Oo
0
O°
vo
OP
et
600 = 10K
PRE AMP
BUFF
AMP
INPUT
pce
{
BAL/UNBAL
INPUT LEVEL
aarti
ry | R-cH
CONVERT
SELECT
INT. SP
omn®
—
ol
}
A-CH
eal
INPUT
IMP
f
R-CH
INPUT LEVEL
METER
EXT
SP
SELECT
INT
'
a
I
INPUT LEVEL
IC 108
L=CH
=
METER DRIVE CIRCUIT
oat
METER
Basel
Aa
at
+8dB
|+4dB
|OdB
|
7
IC 4
Ic2
|
a
LED
(four
|
ied §
10K
PRE AMP
BUFF AMP
|
=
INPUT
-
BAL/UNBAL
INPUT LEVEL
che
LE-37
i
AR HIGH
CONVERT
SELECT
OUTPUT
iq INT. SP
a
ma oe
L-CH
INPUT
{MP
PA-49
bs ieee
AC
UNREG t35V
1C1014,Q101,102
Sw
FUSE
2)
4-1
4-2
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