Mitchell Mfg. Co. 1263 Schematic

Mitchell Mfg. Co. 1263

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Product Information:
Model:1263
Manufacturer:Mitchell Mfg. Co.

Schematic Pages

PNG: Page 1 Rider Manual Volume 23
PNG: Page 2 Rider Manual Volume 23

Schematics Content

Page 1:

CONNECTING THE SET

POWER SUPPLY. This receiver is designed to operate on an alternating current supply (AC) ranging from 110 to 120 volts, 60 Cycles only. Do Not Operate on Direct Current.

Before connecting the set be sure that your house is wired for the voltage and current for which the set is designed. If in doubt, call your local power company for the necessary information, Connecting the set to a supply outlet furnishing the wrong type of current will result in improper operation or damage.

ANTENNA. This receiver has a built-in "loop" aerial. Its excellent design is such as to increase pick-up from stations having wide variations in signal strength. The efficiency and selectivity of the loop provide outstanding reception without the use of an external aerial.

TUBES. Four tubes (including rectifier) are used. Type numbers and locations are shown in the tube location diagram on the cabinet back.

GROUND. No ground connection should be used when operating this receiver. The receiver gets its ground connection through the power line and any external connection to the chassis may cause a short circuit and consequent damage,

CAUTION. Do not place receiver on hot objects such as stoves, radiators, etc. Heat will damage the cabinet and the internal components of the receiver.

RADIO OPERATION

USE AUTO - OFF - ON SWITCH KNOB At 9 o'clock position on clock face. Turn this knob to the right (clockwise), so that the indicator points to " ON to turn on the radio. To turn off the radio, turn this knob so that the indicator points to "OFF".

VOLUME CONTROL KNOB (Bottom Knob on Side of Cabinet). This knob controls the volume of the signal received. To reduce the volume, rotate this knob to the left (counter-clock wise). When this knob is rotated to the right it will increase the volume.

STATION SELECTOR KNOB (Large Knob on Side of Cabinet). Rotate this knob over a narrow range of the dial where the desired station is located, until the station is received with a maximum volume and clarity. Then readjust the volume control to the proper level. NEVER use the station selector knob to adjust the volume as this will result in the signal being received with distorted tone quality.

The dial scale is calibrated in Kilocycles with the last zero of the actual frequency omitted. For instance, the numeral 55 on the scale indicates 550 Kilocycles and 160 indicates 1600 Kilocycles.

SETTING OF CLOCK

This clock-radio is equipped with a self-starting clock. As soon as the power plug is inserted into the wall outlet, the sweep second hand will begin to operate.

To set the time hands, rotate the time set Knob located at the rear of cabinet. Once the clock is set, it needs no further attention unless you remove the plug or there is a power interruption.

INSTRUCTIONS FOR USE OF CLOCK WITH RADIO OR EXTERNAL APPLIANCE

By carefully following the instructions illustrated below, the clock may be used to perform any of the following functions:

ILLUSTRATION 1
TO AWAKEN TO MUSIC

ILLUSTRATION 2
TO AWAKEN TO BUZZER ALARM

ILLUSTRATION 3
TO AWAKEN TO MUSIC AND BUZZER ALARM

ILLUSTRATION 4
TO TURN RADIO OFF AUTOMATICALLY WHEN RETIRING

Page 2:

TO TURN RADIO OFF AUTOMATICALLY WHEN RETIRING AND AWAKEN TO MUSIC.
Set controls as in Illustration 1 and set "Sleep" knob as in Illustration 4.

TO TURN RADIO OFF AUTOMATICALLY WHEN RETIRING AND AWAKEN TO BUZZER ALARM.
Set controls as in Illustration 2 and set "Sleep" knob as in Illustration 4.

TO TURN RADIO OFF AUTOMATICALLY WHEN RETIRING, AWAKEN TO MUSIC AND BUZZER ALARM.
Set controls as in Illustration 3 and set "sleep" knob as in Illustration 4,

TO AUTOMATICALLY TURN ON RADIO AND EXTERNAL ELECTRICAL APPLIANCE.
Insert plug of appliance into the electrical outlet provided at rear of receiver and set clock controls as in Illustration
1.

This feature may be used with any electrical appliance which operates on a 110-120 volt, 60 cycle power supply and which DOES NOT EXCEED THE WATTAGE RATING FOR THE OUTLET SHOWN ON THE CABINET BACK.

Current is available at this outlet whenever the radio is turned on.

TO TURN RADIO AND APPLIANCE OFF AUTOMATICALLY.
The controls may be set to turn off the radio and appliance at any time up to 60 minutes after the original starting tinie.

To use this feature, simply plug in the appliance, turn the AUTO - OFF - ON SWITCH KNOB to the "OFF" position rotate the "Sleep" knob in a clockwise direction for the length of time required.

Precise time setting with this "Sleep" control will require practice.

ALIGNMENT