Motorola 55C4 Service-Handbuch

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Motorola
SERVICE
MANUAL
MODELS
SSC1
MAHOGANY
S5C2
WHITE
SSC3
MINT GREEN
SSC4
CLOVER PINK
CHASSIS
HS-456
GENERAL INFORMATION
TYPE - AC table model superheterodyne receiver with plated
circuit chassis
and
loop antenna,,
This receiver
has a self-contained electric clock for automatically
controlling the operation of the radio and the ap¬
pliance outlet.
TUNING RANGE - 535 to 16Z0 Kc
IF - 455 Kc
TUBE COMPLEMENT - 1ZBE6 conv; 1ZBA6 IF amp; 1ZAT6
Det, AVC, 1st AF amp; 50C5 pwr
amp; 35W4 rect.
POWER SUPPLY - Operates
from
117 volt, 60 cycle, al¬
ternating cur rent only. Power consump¬
tion 35 watts.
APPLIANCE OUTLET - For use with 117 volt AC appliances
rated only at 1100 watts or less.
CLOCK - Duplex self-starting electric clock.
See Service
Notes for clock repair information.
INSTALLATION & OPERATING INSTRUCTIONS
Your Motorola is ready to operate when you plug it into
any 117 volt, 60 cycle AC power line.
Do not attempt to op¬
erate on DC as the clock motor will be damaged.
The clock is self-starting and will operate when power
is plugged into the power outlet.
The sweep second hand
will indicate when the clock is running.
To set the hands
on the clock to indicate the correct time, pull out AUTO¬
TIME SET knob (on rear of radio) and turn in a clockwise
direction only.
The self-starting feature, in the event of a
temporary electric
power
interruption, will
re-start the
clock but it will be necessary to correct for time lost by
means of the AUTO-TIME SET knob.
Radio reception can sometimes be improved by revers¬
ing the power plug in power outlet.
Try it both ways and
leave it in position giving best reception.
A built-in loop antenna eliminates the need for an out¬
side antenna.
The antenna is somewhat directional, there¬
fore, when receiving weak stations, reception may some¬
times be improved by rotating the receiver slightly in either
direction.
MANUAL RADIO OPERATION
1.
Turn OPERATION SELECTOR
knob
to ON.
Allow a
short period of time for tube warm-up.
Z.
Tune to desired station with the STATION TUNING knob.
3.
Adjust volume control to desired level.
4.
The
radio
will
play until OPERATION SELECTOR is
turned to OFF.
AUTOMATIC CLOCK-RADIO OPERATION
1.
Turn OPERATION SELECTOR
knob to ON.
Allow a
short period of time for tube warm-up.
Z,
Set the radio dial to the station you would like to hear
at any pre-determined time, up to twelve hours in advance.
Adjust volume to desired loudness.
3.
Push
in AUTO-TIME SET knob (on rear of radio) and
turn
in a
clockwise
direction until RADIO ALARM SET
POINTER indicates the radio is to be turned on automati¬
cally.
4.
Turn OPERATION SELECTOR to OFF and then to AUTO
position.
Leave it in AUTO position.
5.
The radio is now set to turn on automatically at time in¬
dicated by RADIO ALARM SET POINTER.
It will continue
to play until OPERATION SELECTOR is turned to OFF.
BEDTIME CONTROL
The bedtime control feature is a timing device for turn¬
ing the radio and appliance off after any pre-set interval of
time up to one hour.
This feature allows you to listen to
the radio while you are in bed, with the assurance that it
will shut off automatically after you are asleep.
OrF you
may turn off a lamp or appliance, if desired.
If appliance is not desired during the time the bedtime
control is in operation, disconnect appliance from recep¬
tacle.
TO SET BEDTIME CONTROL
Turn BEDTIME CONTROL knob clockwise. The farther
the control is turned, the longer the radio will play, up to a
maximum of 60 minutes.
MOTOROLA,
INC.
4 54 5
AUGUSTA
BLVD.
CHICAGO
51,
ILLINOIS
Part No.
68P633301
Price 5 Cents
Printed in U.S.A.