Yamaha N12 - n12 Digital Mixing Studio, Руководство по обслуживанию

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115
n8/n12
INSPECTIONS (IN case MIDI command is not used)
1. Measurement Conditions
1-1. Environment
Temperature: 5 ℃ – 40 ℃
Humidity: 30 % – 90 %
1-2. Power source
Use the voltage appropriate for destination with allowable
tolerance of maximum ±10 %. Use the following AC adaptor.
• n8
Destination Voltage AC Adaptor
U 120 V WC704100 PA-20(U)
E 230 V WC704200 PA-20(H)
A 240 V WC704500 PA-20(A)
B 230 V WC704300 PA-20(B)
K 220 V WC704400 PA-20(K)
O 220 V WC711100 PA-20(CHN)
• n12
Destination Voltage AC Adaptor
U 120 V WE524200 PA-30(U)
E 230 V WE523900 PA-30(H)
A 240 V WE523600 PA-30(A)
B 230 V WE523700 PA-30(B)
K 220 V WE524100 PA-30(K)
O 220 V WE523800 PA-30(CHN)
2. Analog characteristics test
2-1. Preparation
2-1-1. Fader calibration
Execute fader calibration before performing test. Refer to
“Service check program: 2-13. Fader calibration”
section
for procedures of fader calibration. (Page 79)
2-1-2. General settings
Load resistor of each output terminal is as follows:
C-R/AUX PHONES: 40 ohms (3W or more)
STEREO OUTPUT (LINE): 600 ohms
C-R OUTPUT (n8)/C-R OUTPUT A-C (n12):
600
ohms
AUX OUTPUT (n12 only): 600 ohms
STEREO OUTPUT (RCA): 10k ohms
INSERT (OUTPUT) 1-4 (n8)/1-8 (n12):
10k
ohms
Use 1 kHz sine wave for input signal unless otherwise
speci
fi ed. Speci fi cations of input signal to each input terminal
is as follows:
INPUT A/B
1-4 (n8)
1-8 (n12)
INPUT
5-8 (LINE) (n8)
9-12 (LINE) (n12)
INPUT
5-8 (RCA) (n8)
9-12 (RCA) (n12)
2TR IN
System Balance Unbalance Unbalance Unbalance
Impedance 150 ohms 20 ohms * 20 ohms * 20 ohms *
* 600 ohms is available.
2-1-3. Controller settings
Unless otherwise speci fi ed, set up as follows:
• CH INPUT
GAIN Volume: MIN
PAD SW (CH 1-3 (n8)/CH 1-7 (n12)): Off
HPF ( ) SW: Off
INPUT SELECT: A.IN
COMP DRIVE Volume (CH 1-4 (n8)/CH 1-8 (n12)):
MIN
COMP MORPH Volume (CH 1-4 (n8)/CH 1-8 (n12)):
A (Turned counterclockwise fully)
PHASE SW (CH 1-3 (n8)/CH 1-7 (n12)): Off
Hi-Z SW (CH 4 (n8)/CH 8 (n12)):
Off
EQ (HIGH, MID Freq, MID, LOW): Center
REVERB Volume: MIN
AUX Volume: MAX
PAN Volume (CH 1-4 (n8)/CH 1-8 (n12))
Odd CH: L
Even CH: R
BAL Volume (CH 5-8 (n8)/CH 9-12 (n12)):
Center
SOLO SW:
Off
ON SW: On
WET SW: Off
REC SW: Off
ST SW: On
Fader: Nominal (0 dB)
PHANTOM (+48V) SW: Off
• MASTER Control
REVERB TYPE SW: HALL
REVERB TIME Volume: MIN
REVERB LEVEL Volume: MIN
REVERB TO AUX SW: Off
REVERB TO REC SW: Off
REVERB TO ST SW: Off
2TR TO ST LEVEL Volume: MAX
2TR TO ST ON SW: Off
DAW TO ST LEVEL Volume: MIN
DAW TO ST ON SW: Off
BAL Volume: Center
PFL SW: Off
STEREO ON SW: On
STEREO BUS Fader: Nominal (0 dB)
• OUTPUT/METER Control
DAW TO AUX Volume: MIN
SOLO LEVEL Volume (n12 only): MIN
AUX LEVEL Volume (n12 only): MAX
C-R/AUX PHONES Volume: MAX
INPUT METER SW: PRE
METER SELECT SW: C-R
• CONTROL ROOM Control
C-R SPEAKER SELECT SW (n12 only): A
C-R SOURCE SELECT SW:
AUX
CONTROL ROOM LEVEL Volume: MAX
MUTE: OFF