Maintenance; Control Panel - Philips AH673/44 Owner's Manual

MAINTENANCE
If the tuner fails to operate, checkto besure that the Master Power switch is in
the On position and that the tuner is connected to an active outlet supplying
120 volts, 60
Hz AC. If, after making these checks, the tuner still does not
operate; disconnect the line cord from the electrical outlet and check the
fuse located on the back panel. If the fuse is blown, replace only with a
.5
amp,
125 volt slo-blo fuse. Plug the tuner in and turn it on. Caution: If the tuner falls
to operate or the fuse blows again after a short time, do not attempt to replace
the fuse again. Disconnect the line cord and contact your dealer or a qualified
serviceman. Any attempt to replace the fuse with one of a different value may
constitute a fire hazard.
CONTROL PANEL
To clean the control panel, disconnect the AC line cord from the electrical
outlet and use a clean lint-free cloth moistened with warm water only. Remove
any excess water before plugging the tuner in.
LAMPS AND INDICATORS
Should any of the control panel lamps or function indicators burn out, do not
attempt to replace them yourself. Refer servicing to aqualified serviceman.