Sony MX-P21 - Page 14

AUX 2 MAXIMUM GAIN ADJUSTMENT
Set Up:
PAN control: C (center click)
EQ switch: OFF
LCF switch: OFF
MIC LEVEL control: —60
LINE/MIC/PHONO switch: MIC
Procedure:
af osc
@) attenuator
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MIC INPUT 1 AUX 2 (OUTPUT)
1 kHz, -70 dB (0.25mV) +15 dB (4.4 V)
Adjust RV307 so that the gain from MIC INPUT
1 to AUX 2 output becomes in 85 dB.
Adjustment Location:
— PGA board —
| MX-P21
MX-P 21
EXTERNAL MONITOR LEVEL ADJUSTMENT
Set Up:
EXT MON switch: ON
MONITOR LEVEL control: 10 (maximum)
af osc
oD attenuator 6002 10k2 el
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o—o O
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EXT MON INPUT MONITOR
1 kHz, —10 dB (0.25)V) +5 dB (1.4 V)
Adjust RV802 (L-CH) and RV803 (R-CH) so that
output
level
at
MONITOR
L
and
MONITOR
R
jacks become in +5 dB (1.4 V) respectively.
Adjustment Location:
— MA board —
TEST OSCILLATOR OUTPUT LEVEL
ADJUSTMENT
Set Up:
MASTER control: center of wide line at 7
OSC switch: ON
SELECT switch: MASTER
Procedure:
VTVM (AC)
LINE OUT (CANNON)
+4 dB (1.2 V)
Adjust RV703 so that output at cannon LINE
OUT connector becomes in 4 dB (1.2 V).
The oscillator frequency should be 1000 Hz +10 %
and the distortion should be within 1.0 %.
Adjustment Location:
— TB & OSC board —
RV703