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5.6 AUX 2 —» AUX B SEND
INPUT FADER
MON A.PAN 'xe
1
= TAPE A IN x8)
/
FLB
WON B.PAN (26)
ux.
a)
aa
eee
i
Gow' Was
wa
FLB
xl
"foes ano noma
1, Apply a -10dB (0.3V} signal to the Model 301 Input
Module
LINE
INPUT jack.
2, Plug in an AC voltmeter to the Model 303B AUX B
Module AUX
B SEND jack.
3. Set the panel controls on the Model 301 Input Module
and Model 3038 Aux B Module as follows:
INPUT Module
TRIM select switch
| LINE
TRIM
: About -20 on scale
AUX 2
: At max. CCW or CW (PRE-
FADER
at CCW, POST FAD-
ER at CW)
FADER
: At "0" on scale
AUX B Module
5.7 LINE IN —» LINE
OUT —» AUX 3 —>
AUX A SEND
Ps
1000 ABOVE NOMINAL.
ays master
.
aes
rAgER
5
tne our en
Alixe) b
a
"aux OUT
er
eae
te
'SELECT
4
ftare aj
te)
wa
TAPE AIM ix)
4
i FLB
jess
Hpuxalie®
an
von o fare | PTE
SHE
at
A
HEB Ne
BkSaoy
a
to
fet
Ps
eH NON.
AUK A
MASTER
3a
ah
'AUK A MIX
a AUX B SEND
22)
> At max. CCW
> At "0" on scale
AUX B MIX
AUX B MASTER
. The circuit is in normal condition if the AUX
B
SEND
output is -2.2dB
(0.775V)
against a -10dB
LINE
IN tevel.
. If the output is not -2.2 dB, adjust the INPUT Module
TRIM knob, The circuit is in normat condition if the
TRIM adjustment is between 10 and 15dB on the
scale,
. If the circuit is not functioning correctly, compare
the levels with the block diagram and check the DC
voltages and signal levels in the AUX
B Module cir-
cuit schematic,
. Check
the
AUX 2 signals
from
all remaining
23
channels of the INPUT Module in the same way,
. Checking procedures for LINE —
LINE OUT are
the same as in paragraph 5.3.
. With
the signal from
LINE
IN being ASSIGNed
to
LINE OUT 1, a -2.2dB {0.775V) output will be
obtained from AUX A SEND by setting the panel
controls of AUX A Module as follows:
BUSS MASTER Moduie 1
AUX 3
: At max. CCW
(BUSS)
AUX
A Module
AUX A MIX
: At max. CW (AUX 3
or AUX 4)
Push switch
: Depress AUX
3 (ON)
AUX A MASTER : At "O" on scale
When the LINE OUT 1 level is -10dB (0,3V}, the
AUX A SEND output will be -2.2dB (0.775V).
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