Yamaha THR100H Gebruikershandleiding - Pagina 23

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Yamaha THR100H Gebruikershandleiding

Troubleshooting

No power
Is the power cord properly connected?
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(→ page 19)
No sound
Is an instrument properly connected to the
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INPUT jack?
THR100HD: Is the instrument connected to
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the INPUT II jack? If only a single instrument
is being used, it must be connected to the
INPUT I jack.
Is the instrument's volume control turned up?
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Are the GAIN, MASTER, or VOLUME controls
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set to "0"?
Is the Amp Select switch properly set?
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Is the cabinet properly connected? (→ page
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16)
If you have selected the CLEAN amp type, no
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sound is produced if the tone controls are set
to "0".
Are a pair of headphones connected to the
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PHONES jack?
Is the cable used to connect the instrument to
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the amp damaged?
Is the cable used to connect the amp to the
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cabinet damaged?
Is the Effect Loop mode set to a serial
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connection with the "THR HD_H Utility"?
In the serial connection mode, no sound is
produced if the loop is active without an effect
connected to the EFFECT LOOP SEND/
RETURN jacks. (→ page 21)
Stopped producing sound while
playing
1) The front grill lamp is not lit
The thermal protection system has activated,
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terminating output to the SPEAKER OUT jack.
Allow the amplifier to cool down then switch
the power ON again. If the thermal protection
system activates again, unplug the power cord
and contact the Yamaha dealer from whom
you purchased the device.
The tip end of the speaker cable is grounded
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or touched by static electricity causing a short.
Check the speaker cable and after eliminating
the cause, switch the power OFF and then ON
again. If the protection circuit activates again,
immediately turn the power OFF, disconnect
the power cord, and contact the Yamaha
dealer from whom you purchased the device.
2) The power is OFF
The internal circuitry may not be functioning
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properly. Immediately turn the power OFF,
disconnect the power cord, and contact the
Yamaha dealer from whom you purchased the
device.
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