Dbx 162 compr limit

Page 2

. fig;

1) Fewer Suonlv Adiust:

.) Veasure the voltage at pin 7 of the PC 7 connector, and

aijust 121 for +f5 volts 1 .01 volts. Xeasure the
voltage at pin 8 of the same connector. fiust meaSure
between - 1h.85 to - 15.15 volts.

dual HMS Calibration:

In the follow: procedure, anything written in double
parenthesis (( ) concerns channel 2.

2.1) Apply .0 VRfiS 3 khz to both channels, measure the voltage
on the minus side of C28¢tminus siie of C26)). djust 320
£310 for ' O " volts 1 .001 volts . ( with switch set for

input mode)

2.2) Monitor the half wave rectified signal at the junction of
313 ani Rib-«junction of 33 and RH» of the dual EMS module.
S+ep the oscillator to -0 1b and adjust {2363228 if
necessary, for a half wave.

2.1) Short the oscillator and adjust 22h 322 for a DC voltage
of +.530 volts. ( Ee-aijust 223((221D if required).

2.3) easure sin 3 on both 73A
( I

'3 r aiing must be within i
f not, aijus: 31

5 on USA).

a in: A » A __ '0»: not

22»
a. mmflm - :22, [I new .09.-
.
.
.
I

.9; 2&5

.
I
ChflMZ : 333 yaw ChRM /
_ 'N I
Jmfyavr_,_ I] 22/ \ s If .22.! D _.__,_mu{ Wu:
. r .
'IA-
5 7 6 .3' e :3 z x]

2.5) 7epeat stets 2.1 thru 2.3 until the Dual EMS tracks as
follows:

+10 :1!) 040 via (-3; '.001 )
0 db *.'JOO vac (.000 >
-10 db +.o -20 ib +.120 vic (3.002 )
-30 db +.150 vdc (1.003 )
-uo db +.2uo vdc (1.004 )
-50 db +.3oo vdc (1.012 >
-40 1b +360 vdc (1.024 )
Shorted +.h30 Vic (+.425 3° +-80)