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8.
Adjust A3R73 until CH.A meter (AIM2A) reads 100%.
9.
Place
+.-
switch
(AlS13A)
in
+
position.
10.
Adjust
A3R25
until
CH.A
meter
(AIM2A)
reads 100%.
11.
Place
MOD-HOLD-AUTO
switch
(AISI4A)
in
AUTO
position.
12.
Reduce input level until CH.A meter auto-ranges.
AVM display
(AIDS5A)
will read 10.
Increase input level until
CH.A
meter
auto-ranges up.
AVM
display
(AIDS5A)
will read 00.
Adjust
A3R60
until
CH.A
meter
(AIM2A)
auto-ranges at approximately
-15
dB and +1.5 dB.
13.
Increase input frequency to
40
KHz.
Adjust input level
until MOD
PEAK
light
(AIDSl)
just lights.
14.
Adjust
SUB filter control
(AIR13)
until CH.B
PEAK
led just
lights.
15.
Adjust
A3R173
until CH.B meter
(AIM2B)
reads 100%.
16.
Place
+,-
switch
(AlS13B) in +
position.
17.
Adjust A3R125 until CH.B meter (AIM2B) reads 100%.
18.
Place MOD-HOLD-AUTO switch (AIS14B)
in
AUTO position.
19.
Repeat step 12 of this section.
Adjust A3R160 for auto range
set point.
20.
Set input frequency to exactly 38000 Hz.
Adjust input level
until MOD PEAK light (AIDSl) just lights.
21.
Depress
38K~
GEN0 button on OrSPLAY SELECT switch (A1S11).
22.
Adjust 38K filter control (AIRI4) until CH.A PEAK led just
lights at 100%.
CH.A meter should read 100%.
5-4 STEREO DEMODULATOR
ALIGNMENT (A5 Assembly)
1.
Complete alignment of A2 assembly (Section 5-2) and A3 assembly
(Sect;
on 5-3).
2.
Apply an input signal of 19000 Hz.
Adjust input leve
1
until
MOD PEAK lamp just lights at 100%.
3.
Reduce input level by exactly 20 dB.
4.
Depress
PILOT
LEVEL,
0
CAL button on DISPLAY SELECT switch (AlSI1).
5.
Adjust A5R4 until CH.A meter reads 100% (10% on pilot scale),
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