Yamaha Electone HS-8 Service Manual - Page 19

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Yamaha Electone HS-8 Service Manual
2-2-5 Tone control
Measurement condition
The signal of -10dBu/500Hz is
input to INPUT 1(XLR), and
the output voltage is measured.
The signal of -10dBu is input to
INPUT 1(XLR), and the output
voltage is measured.
-2dB
-4dB
T h e s i g n a l o f
-2dB
-10dBu/500Hz is
input to INPUT
1(XLR), and the
output voltage is
-4dB
measured.
-2dB
-4dB
-2dB
+2dB
T h e s i g n a l o f
-2dB
- 1 0 d B u i s i n -
put to INPUT
1(XLR), and the
output voltage is
+2dB
measured.
-2dB
+2dB
Criteria
B1
SPOUT(LF)
B2
Red-Black
B3
B4
SPOUT(HF)
B5
Yellow-Blue
B6
The range of
-2.0±1.5dB
based on B1.
The range of
-4.0±1.5dB
based on B1.
The range of
-2.0±1.5dB
based on B2.
SPOUT(LF)
Red-Black
The range of
-4.0±1.5dB
based on B2.
The range of
-2.0±1.5dB
based on B3.
The range of
-4.0±1.5dB
based on B3.
The range of
-2.0±1.5dB
based on B4.
The range of
+2.0±1.5dB
based on B4.
The range of
-2.0±1.5dB
based on B5.
SPOUT(HF)
Yellow-Blue
The range of
+2.0±1.5dB
based on B5.
The range of
-2.0±1.5dB
based on B6.
The range of
+2.0±1.5dB
based on B6.
2-2-6 Output noise level
Measurement condition
Input no signal
Setting of operation elements
LEVEL control : MAX
INPUT (XLR) is grounded
through the resistor of 150Ω,
the noise level generated in the
output terminal is measured.
* Use the low-pass filter of 20kHz for the measurement.
2-2-7 Residual noise level
Measurement condition
Setting of operation elements
LEVEL control : MIN
The noise level generated in the
output terminal is measured.
* Use the low-pass filter of 20kHz for the measurement.
Initial setting
LEVEL
ROOM CONTROL
HIGH TRIM
LOW CUT
HIGH CUT
PHASE
POWER
HS8/HS7/HS5
Criteria
-59dBu or less
SPOUT (LF)
-65dBu or less
Red-Black
-59dBu or less
SPOUT (HF)
-63dBu or less
Yellow-Blue
Criteria
-59dBu or less
SPOUT (LF)
-65dBu or less
Red-Black
-59dBu or less
SPOUT (HF)
-63dBu or less
Yellow-Blue
HS8, HS7, HS5
MIN
0
0
–
–
–
OFF
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