Yamaha THR10 Service Manual page 33

13. Output Test with GUITAR Input
Set the volume knobs as shown below.
THR10
Input the music signal to the INPUT jack and
confirm that the music signal is output from the
speakers.
Turn the volume knobs respectively and confirm
that they functions properly as shown below.
* Only when AMP is set to ACO, GAIN adjusts
THR10
STEREO
by turning counterclockwise
GAIN *
MASTER Sounds volume decrease
GUITAR
BASS Low-frequency area decrease Low-frequency area increase
Middle-frequency area
MIDDLE
decrease
TREBLE High-frequency area decrease High-frequency area increase
EFFECT Tones change in 4 steps by turning the EFFECT knob.
AMP Tones change in 8 steps by turning the AMP knob.
Connect the microphone to the INPUT jack. Tap on the
DLY/REV microphone lightly and confirm that the reverberations
change in 4 steps by turning the DLY/REV knob.
THR5
by turning counterclockwise
GAIN
MASTER Sounds volume decrease
VOLUME
TONE Tones change by turning the TONE knob.
EFFECT Tones change in 4 steps by turning the EFFECT knob.
AMP Tones change in 5 steps by turning the AMP knob.
Connect the microphone to the INPUT jack. Tap on the
DLY/REV microphone lightly and confirm that the reverberations
change in 4 steps by turning the DLY/REV knob.
THR10
THR5
MONO.
by turning clockwise
Sounds volume increase
Middle-frequency area
increase
by turning clockwise
Sounds volume increase
THR5
13. INPUT 入出力検査
下記のようにボリュームツマミを設定します。
INPUT 端子に音楽信号を入力し、スピーカーから
その音楽信号が出力されることを確認します。
各ボリュームツマミを回転させ、下記のように正
しく機能することを確認します。
* AMP が ACO に設定されているときだけ、GAIN は
THR10
STEREO
反時計方向に回転
GAIN *
MASTER 音量減少
GUITAR
BASS 低域減少
MIDDLE 中域減少
TREBLE 高域減少
EFFECT 音質が 4 段階に変化
AMP 音質が 8 段階に変化
INPUT 端子にマイクを接続し、マイクを軽く叩いたときの
DLY/REV
残響音が 4 段階に変化すること
THR5
反時計方向に回転
GAIN
MASTER 音量減少
VOLUME
TONE 音質が変化
EFFECT 音質が 4 段階に変化
AMP 音質が 5 段階に変化
INPUT 端子にマイクを接続し、マイクを軽く叩いたときの
DLY/REV
残響音が 4 段階に変化すること
THR10/THR5
MONO の調節となります。
時計方向に回転
音量増大
低域増大
中域増大
高域増大
時計方向に回転
音量増大
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