Inspections; Test Conditions; Electric Characteristic - Yamaha STAGEPAS 300 Service Manual

QQ
3 7 63 1515 0

INSPECTIONS

1.

Test Conditions

Measuring Voitage
Load
Input
MASTER LEVEL VR
Tone-control VR
REVERB SW
REVERB level
SPEECH/MUSIC SW
USE MEASUREMENT FILTER:
NOTE:
q Use a low pass filter (20 KHz) to measure noise at the SP jack (SP OUT).
w The sleeve of the SP OUT Lch is the hot terminal. So, pay attention not to let it contact
GND.
TE
L 13942296513
2.

Electric Characteristic

ITEM
No.
1 OUTPUT POWER
2 T. H. D.
www
.
http://www.xiaoyu163.com
:
:
:
:
:
INPUT CONDITIONS
INPUT1-SW=LINE
INPUT1-LEVEL=MAX.
INPUT1-SW=LINE
INPUT1-LEVEL=MAX.
INPUT1-SW=LINE
INPUT1-LEVEL=MAX.
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
AC 100 V 50/60 Hz (J)
AC 120 V 60 Hz (U, C, V)
AC 240 V 50 Hz (A)
AC 230 V 50 Hz (B, H, W)
AC 220 V 60 Hz (K)
AC 220 V 50 Hz (O)
6 Ω
1 KHz
: MAX.
: HIGH, LOW = All channel Center.
All channel OFF.
MIN.
: MUSIC
DIN-Audio
Q Q
3 6 7 1 3 1 5
OUTPUT CONDITIONS
SP OUT:
1 %THD OUTPUT
SP OUT:
50 W OUTPUT
MONITOR OUT:
+14 dBu OUTPUT
(Load: 10 kΩ)
co
.
STAGEPAS 300
9 4 2 8
Sleeve
0 5 8 2 9 9 4 2 8
NOMINAL LIMIT
L, R 112 W >100 W
L, R 0.5 %
L, R 0.1 % <0.2 %
m
9 9
Tip
9 9
<1 %
23