Garrard ZERO 100C - Service Hints and Troubleshooting; Common Issues and Remedies

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‘Symptom
Unit falls to start
‘Speed consistently (ast or slow alter fine speed
‘control is set
Speed variation (Wow or Flutter)
No sound,
Low humming sound,
Distorted sound,
Tonearm lowers in incorrect position.
Tonearm lifts oo high or not high enough.
Tonearm will not lower onto record at any time.
Tonearm will not lower for automatic use after
manual play.
Tonearm will not rise from its rest.
Disconnect the power supply and protect
the stylus betore making Investigations.
Probable cause
No power supply to motor.
Incorrect motor pulley.
Warped record when playing a stack.
Grease or oll on driving surtaces.
Drive mechanism requires lubrication
Incorrect or defective cabling,
Detective pickup cartidge.
Ground lead disconnected.
Worn, damaged or incorrect siyius
Dust on records or stylus attected by fut
Cartridge out of position
Pickup stylus out of position.
Lowering mechanism out of adjustment.
Tnearm liting height out of adjustment
Stylus force too low.
Cue control is at LIFT
Tonearm height restrictor out of adjustment,
‘Arm locked to its rest.
Service hints
Remedy
Check that power supply is in ordor.
Check lead connections. If necessary, cleen
‘switch blades and connections. Make ‘certain
that the plugin motor leads are secure.
Pulley for 60 Hertz power supply is plain brass.
‘A-50 Hortz pulley has a groove in its base.
Play singly or stick a small square of adhesive
tape on record label to improve drive
Wipe with a clean lin-ree cloth.
Lubricate in accordance with
(page 13)
instructions
(Chack cabling to instructions on pages 6 and 7
Replace cartridge,
‘Check cabling.
Replace stylus. Check stylus force.
Handle and clean records as recommended
by the makers. Carefully remove any cust or
{laff buildup from around the stylus.
Check its position with sotting gauge (page 7).
Roset or replace stylus.
‘Adjust lowering position in accordance with
instructions
(page
15)
‘Adjust height in accordance with instructions
(page 15).
Adjust settings of counterbalance weight and
pickup stylus force in accordance with instruc-
tions (page 8)
Move control back to "PLAY'
Adjust according to instructions (page 15)
Move locking lever to ‘FREE’