Sony MX-710 - Page 7

MX-710
MX-710
2. VU Meter Calibration
Control/Switch Setting:
INPUT ATT: 0 dB
INPUT SELECT: LINE
MASTER GAIN CONTROL: 10
Procedure:
10k2
attenuator
FIX OUTPUT
LINE INPUT
1 kHz, —10 dB (0.245 V)
Adjust
GAIN
CONTROL
for
—10
dB
(0.245
V)
VTVM
reading.
2. Adjust resistors R147, 247, 347, 447 so that VU
meters indicate 0.
R347 (CH-3)
R247 (CH-2)
R447 (CH-4)
R147 (CH-1)
3. VARIABLE OUTPUT Level Adjustment
Control/Switch Setting:
INPUT ATT: 0 dB
INPUT SELECT: LINE
MASTER GAIN CONTROL: 10
Procedure:
1.
af osc
: attenuator
f O 1
oO
FIX OUTPUT
LINE INPUT
1 kHz, —10 dB (0.245 V)
Adjust GAIN CONTROL for —10 dB (0.245 V)
VTVM reading.
Qs
af osc
€?) VTVM
©] attenuator TOKO oo «| L_Z_J
o—o
oll, O00
VARIABLE
LINE INPUT OUTPUT
Adjust resistors R148, 248, 348, 448 to get level
user wants.
R148 R248 R348 R448
(CH-1) (CH-2) (CH-3) (CH-4)
Note: Adjustable resistors are set to maximum
at factory. Do not adjust them without
user’s permission since he might set to
proper level.