Inspections; Measurement Condition; Power Supply Voltage - Yamaha MG102c Service Manual

MG82CX/MG102C
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INSPECTIONS

1.

Measurement condition

1-1 Environment
Normal temperature (5˚C to 40˚C)
Normal humidity (30% to 90%)
1-2

Power supply voltage

The power supply voltage deviation should be within ±10%.
AC adaptor PA-10 should be used.
WC703500 (U, C: 120V), WC703600 (H: 230V), WC703700 (B: 230V), WC703900 (A: 240V),
WC711000 (O: 220V), or WC703800 (K: 220V)
2. Inspections
2-1 Preparation
The load resistances for each output terminals are as follows,
PHONES (L, R) : 40 ohms ( 3 W or more)
Others : 10 kohms
Unless otherwise specifi ed, the controls should be set as follows,
2-2
• CH INPUT (CH1, CH2)
GAIN control
COMP control
switch
80
EQ gain control (HIGH MID LOW)
EFFECT level control (MG82CX)
TE
L 13942296513
AUX level control (MG102C)
PAN control
CH level control
• ST CH INPUT (CH3/4, CH5/6)
GAIN control
switch
80
EQ gain control (HIGH, MID, LOW)
EFFECT level control (MG82CX)
AUX level control (MG102C)
PAN/BAL control
CH level control
• ST CH INPUT (CH7/8, CH9/10 (MG102C))
EQ gain control (HIGH, LOW)
EFFECT level control (MG82CX)
AUX level control (MG102C)
BAL control
CH level control
• MASTER
RETURN to ST level control
2TR IN level control
TO STEREO/TO MONITOR switch
www
MONITOR/PHONES level control
STEREO level control
.
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Maximum (–60/–34 dBu)
Minimum
OFF
Center
Minimum
Minimum
L (Turned counterclockwise fully)
Maximum
Maximum (–60/–34 dBu)
OFF
Center
Minimum
Minimum
L (Turned counterclockwise fully)
Maximum
Center
Minimum
Minimum
L (Turned counterclockwise fully)
Maximum
Maximum
Minimum
OFF (TO STEREO)
Maximum
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