Service Check Program - Yamaha n8 Service Manual

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
U 120 V
E 230 V
A 240 V
B 230 V
K 220 V
O 220 V
• n12
Destination Voltage
U 120 V
E 230 V
A 240 V
B 230 V
K 220 V
O 220 V
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:
STEREO OUTPUT (LINE):
C-R OUTPUT (n8)/C-R OUTPUT A-C (n12):
AUX OUTPUT (n12 only):
STEREO OUTPUT (RCA):
INSERT (OUTPUT) 1-4 (n8)/1-8 (n12):
Use 1 kHz sine wave for input signal unless otherwise
specifi ed. Specifi cations of input signal to each input terminal
is as follows:
INPUT A/B INPUT
1-4 (n8) 5-8 (LINE) (n8)
1-8 (n12) 9-12 (LINE) (n12)
System Balance Unbalance
Impedance
150 ohms 20 ohms *
* 600 ohms is available.
AC Adaptor
WC704100 PA-20(U)
WC704200 PA-20(H)
WC704500 PA-20(A)
WC704300 PA-20(B)
WC704400 PA-20(K)
WC711100 PA-20(CHN)
AC Adaptor
WE524200 PA-30(U)
WE523900 PA-30(H)
WE523600 PA-30(A)
WE523700 PA-30(B)
WE524100 PA-30(K)
WE523800 PA-30(CHN)
40 ohms (3W or more)
600 ohms
600 ohms
600 ohms
10k ohms
10k ohms
INPUT
5-8 (RCA) (n8) 2TR IN
9-12 (RCA) (n12)
Unbalance Unbalance
20 ohms * 20 ohms *
2-1-3. Controller settings
Unless otherwise specifi ed, set up as follows:
• CH INPUT
GAIN Volume:
PAD SW (CH 1-3 (n8)/CH 1-7 (n12)):
HPF ( ) SW:
INPUT SELECT:
COMP DRIVE Volume (CH 1-4 (n8)/CH 1-8 (n12)):
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)):
Hi-Z SW (CH 4 (n8)/CH 8 (n12)):
EQ (HIGH, MID Freq, MID, LOW):
REVERB Volume:
AUX Volume:
PAN Volume (CH 1-4 (n8)/CH 1-8 (n12))
Odd CH:
Even CH:
BAL Volume (CH 5-8 (n8)/CH 9-12 (n12)):
SOLO SW:
ON SW:
WET SW:
REC SW:
ST SW:
Fader:
PHANTOM (+48V) SW:
• MASTER Control
REVERB TYPE SW:
REVERB TIME Volume:
REVERB LEVEL Volume:
REVERB TO AUX SW:
REVERB TO REC SW:
REVERB TO ST SW:
2TR TO ST LEVEL Volume:
2TR TO ST ON SW:
DAW TO ST LEVEL Volume:
DAW TO ST ON SW:
BAL Volume:
PFL SW:
STEREO ON SW:
STEREO BUS Fader:
• OUTPUT/METER Control
DAW TO AUX Volume:
SOLO LEVEL Volume (n12 only):
AUX LEVEL Volume (n12 only):
C-R/AUX PHONES Volume:
INPUT METER SW:
METER SELECT SW:
• CONTROL ROOM Control
C-R SPEAKER SELECT SW (n12 only): A
C-R SOURCE SELECT SW:
CONTROL ROOM LEVEL Volume:
MUTE:
n8/n12
MIN
Off
Off
A.IN
MIN
Off
Off
Center
MIN
MAX
L
R
Center
Off
On
Off
Off
On
Nominal (0 dB)
Off
HALL
MIN
MIN
Off
Off
Off
MAX
Off
MIN
Off
Center
Off
On
Nominal (0 dB)
MIN
MIN
MAX
MAX
PRE
C-R
AUX
MAX
OFF
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