NAD 300 Service Manual page 18

l-
Cause
and Remedy
A)
Defective meter.
Replace
the meter'
B)
ln
case
of
FM reception, R227,C224
or
C225
defective.
Replace
the defective comPonent'
Note:
ln
case
of AM reception, the
meter does
not function.
24\
TUNING meter
not functioning'
A)
Defective
switch S17'
Replace
the switch.
251
OUADRO not effective.
A)
Defective
switch 57'
Replace
the switch.
B)
Defective
capacitor C752, C753 or C754'
Replace
the defective caPacitor'
26]t
SUBSONIC
filter
has
no
effect'
A)
Defective
switch S8.
Replace
the switch.
B)
Defective C755, C756,
TR751 or TR752'
Replace
the defective comPonent'
271 High-Filter has
no
effect.
DOLBY NR switch 54 defective'
Repair
or
rePlace
the switch.
lC
1C701
defective.
Replace
the
lC.
DOLBY Noise Reduction
has
no
effect.