Sherwood PM-9901, Руководство по эксплуатации

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C O N T E N T S
9
TROUBLE SHOOTING
7
Sometimes, an operational fault can be mistaken for a malfunction or failure. Check the following points and see if
you can find the symptoms of the trouble below before you get in touch with the serviceman. If you cannot locate the
symptoms, contact your nearest dealer.
Symptom
Platter does not
rotate.
No Sound
Musical tempois
off.
Excessive noise.
Sound is distorted.
Tonearm does not
descend.
Intermittent sound.
Possible Trouble
Power cord is unplugged.
Phono cables are not connected properly.
Headshell is not properly attached.
Cartridge lead wires are loose.
Amplifier is not being operated properly.
(function switch, tape monitor switch, speak
switches, etc. are not set correctly).
Platter speed is not set properly.
SPEED ADJUSTMENT knob is not set
properly in accordance with the platter speed.
Ground lead is not connected.
Tracking for is not correct.
Dust or dirt has collected on the stylus tip.
Dust or dirt has collected on the record.
Dust or dirt has collected on the stylus tip.
Tracking force is not correct.
Stylus is worn.
Amplifier’s tone controls are set too high.
Cueing Laver is set to UP position.
Tracking force is not correct.
Stylus is worn.
Record is scratched or warped.
Remedy
Plug cord securely into wall outlet.
Connect cables securely to the PHONO input
jacks on the amplifier.
Fimly secure tonearm locking collar
(see page 4).
Attach lead wires inside headshell properly.
Read the operating instructions that come with
amplifier.
Refer to “Operation” and their uses on page 5.
Refer to “Operation” on page 5.
Connect properly to the amplifier’s ground
terminal.
Refer to tracking force adjustment on page 4.
Clean the stylus tip with a soft brush.
Clean the record with a good quality cleaner.
Clean the stylus tip with a soft brush.
Refer to tracking force adjustment on page 4.
Replace with new stylus.
Set tone conrols to lower position.
Set to DOWN position.
Refer to tracking force adjustment on
page 4.
Replace with new stylus.
Replace record.