OPERATING INSTRUCTIONS

The "GARRARD" Record Changer will play any number of records up to eight 10" and 12" mixed in any order.
To operate, proceed in the following order:

1. If a permanent needle is not used insert a needle- the type that will play 10 or more records - in the pick-up; lift the Pick-up Arm to do this.

2. Place the record spindle in position, the sloping part leaning towards the record platform, raise over arm, and place any number up to eight records on the record spindle, their lower edge resting on the record platform, then lower overarm.

3. Move the left-hand knob to "Start." The motor will start and the Changer operate.
When the last record has been played, the Changer will automatically stop.
To remove records, raise overarm and withdraw the record spindle.
To reject a record, move the left-hand knob to the reject position.
The Changer can be stopped by moving the left hand knob to the "Stop" position.

If the Changer is switched off while a record is playing, that record will be automatically rejected, and the next record commence when switching on again.

If desired a 10" record may be repeated any number of times by placing the record on the turntable, raising the overarm and switching on with no records on the record spindle. When it is desired to stop the record, lower the overarm, and the Changer will automatically switch off at the end of the record.

This cannot be done with 12" records as the pick-up arm will automatically come to the 10" position when there are no records on the platform.

Should the Record Changer be stopped with the pick-up arm not on its rest, the pick-up should not be handled, but the left-hand knob moved to " Start, " the pick-up will then return to its rest.

When the Changer is fitted with a High Fidelity Pick-up of any type, extra care should be taken to avoid accidental damage to the pick-up, and attention should be given to the following points:

The Changer should not be switched off either by the switch on the Changer, the switch on the set, or the house switch during its changing cycle, as this may lead to the pick-up being lowered on to the turn table covering when the Changer is next used.

If it is suspected that the Changer has been switched off in the wrong position, place a 12" record on the Turntable before switching on.

Do not use badly warped records, they may not drop and the pick-up will lower on the Turntable covering, also badly warped records will give trouble by slipping during playing. Care should be taken in storing records to prevent contact with dirt and dust which sets up abrasive action and causes rapid wear.

NEEDLES.

It is emphasized that if for any reason the needle, whether of the permanent or semi-permanent type, is taken out of the pick-up head after it has played even only a part of a record, it should be discarded and not used again, as a small flat is worn on the side of the needle tip which rests on the record and as the needle cannot be put back into the pick-up without turning it slightly the flat will not rest on the record in its original position, and will form a cutting edge to tear up the record groove.

INSTALLATION

DIMENSIONS.

The cabinet space required for fitting is 154in. long by 13.in. with 5 { in. clearance above and 4in. clearance below unit plate.

FITTING TO CABINET.

(i) The "GARRARD" Automatic Record Changer is supplied with Spring Suspension to prevent acoustic feedback occurring between the loud speaker and the pick-up. Ample clearance should be left between the edges of the unit plate and the cabinet to allow the Record Changer to float freely. Diagram 2 illustrates the assembly of the spring suspension.

In cases where there is no possibility of acoustic feed-back occurring such as where the loud speaker is in a separate cabinet, the spring suspension is not necessary and the Changer can be screwed down to the motor board with four of the wood screws supplied for the spring suspension.

Two additional holes will be found in the unit plate, these are for transit fixing screws which should be used to fix the Changer rigid to the cabinet during transit, and removed on final installation. These are only necessary when using the spring suspension.

(ii) If desired, a template for cutting the motor board when fitting the Record Changer into the cabinet may be obtained on application to The Garrard Eng. & Mfg. Co. Ltd. After installation see that the Changer is level by placing a spirit level on a record on the turntable. If not level, adjust by means of the spring suspension fixing nuts. Finally, the nuts and threads of the spring suspension fixing screws should be coated with a locking paint such as shellac varnish to prevent the nuts working loose due to vibration.

SPEED SETTING.

Due to the wide voltage range of the motors it may be necessary on some power supplies when installing the unit to make a slight re-adjustment of the speed Indicator Lever so that the speed of the Turntable corresponds with that shown on the Indicator scale.

To set the speed on alternating current power supply of 50 or 60 cycles use the "GARRARD" Stroboscopic Speed Indicator enclosed with each Record Changer, To set speed on direct current power supply or supplies having frequencies other than those covered by the stroboscope, the turntable should be checked with watch. Set speed so that turntable revolves at 78 r.p.m., remove the turntable and carefully loosen the screw holding the indicator lever to the vertical brake shaft, move the indicator lever to the centre position on the indicator plate and tighten up the screw (diagram 3). On some models the screw is not accessible from the top of the unit. In this case lift the changer from the cabinet and adjust the screw from underneath the unit plate. The speed should now be correct.

One side of the stroboscopic speed indicator is designed for use in adjusting speed on a 50 cycle, and the other side a 60 cycle power supply.

VOLTAGE
The "GARRARD" Model R.C.65 Record Changer is made in two types:
R.C.65 / D.16 Dual Voltage Range 100/130 and 200/250 volts 40/60 cycles. R.C.65 / U.16 Universal Voltage Range 100/130 and 200/250 volts D.C. and A.C. 25/60 cycles.
On installation, the links in the terminal block should be set to the correct position to correspond with the voltage of the power supply, as shown in diagrams 4 to 7.

A red terminal block cover is fitted to the Universal type (R.C. 65 / U.16).
A brown terminal block cover is fitted to the A.C. type (R.C. 65 / D.16).
The motor should be earthed by connecting a lead from the earthing tag, located under one of the motor end cover screws and a good earth connection.
When adapting an A.C./D.C. (Universal) Radio Receiver, Amplifier or one using a D.C. Power Pack for the reproduction of gramophone records, a pick-up transformer or condensers in series with the pick-up leads should be fitted, otherwise the pick-up circuit becomes alive. Also, the leads from the radio set or amplifier to the pick-up should be as short as possible to prevent picking up mains hum.

SERVICE ADJUSTMENTS

MOTORS.

The R.C. 65 / D.16 is fitted with a governor controlled Induction Motor for use on A.C. only. The stator coils are connected in series on the high voltage range and in parallel on the low voltage range.

The R.C. 65 / U.16 is fitted with a governor controlled series wound universal motor for use on A.C. or D.C., and in this case the windings are connected in series with a voltage dropping resistance, a portion of which is shorted out when the motor is used on the low voltage range. A condenser is connected across a section of the resistance to keep the motor torque constant over the frequency range when on A.C.

OILING.

Due to the oil retaining bearings, the motor only requires oiling at intervals depending upon the length of time the Record Changer is used. Lift off the Turn table and the oil holes (diagram 1) are accessible. A few drops of "GARRARD" or thin lubricating oil are sufficient.

Wavy or watery reproduction of the record is often due to dry governor pads. These should be lubricated by saturating the felt pads with a thin oil. Occasionally the governor will rattle badly and the reproduction will be distorted. This is caused by the surface of the governor spindle, on which the governor sleeve slides as the balls fly outwards, becoming dry, and it should be lubricated with a thick oil.

Thick oil should on no account be used for the motor bearings.

STARTING FAILURES.

If the motor fails to start when the control knob is turned to the Start position, first check the power sup ply and ascertain that the current is reaching the motor terminals. Give the turntable a turn by hand to help it round, in case, when the Record Changer was last used, the motor was switched off during the changing cycle, in which case it is possible for the motor to be unable to start under the full load of the Record Changing Mechanism.

Disconnect the mains supply and examine the terminal block to see that the leads and nuts are tight, also examine the switch contacts, clean and adjust if necessary. If a thick oil has been used to lubricate the motor bearings, the motor will appear weak, and possibly not start. It will be necessary to dismantle the motor, and clean away all traces of the thick oil, it is, therefore, essential to lubricate the motor bearings with a good quality thin machine oil.

In the case of the U.16 Motor periodical examination of the carbon brushes should be made. If they are allowed to become dirty or worn, brush noises will occur, and occasionally the motor may run unsteadily or stop. The brushes can be cleaned by lightly scraping the contact surface with a penknife. The brushes should be a perfectly free sliding fit in the brush tubes. It is essential the brushes should be replaced in the same holder and in the same way round as originally found.

New brushes are 9/16" long under the Springs. When worn down to 3/8" they should be replaced. To remove the brushes unscrew the brush caps and the brushes can be withdrawn. If the copper Commutator upon which the brushes rest has become corroded, dirty or greasy, it should be cleaned with a rag damped with petrol or lighter fuel. When finally replacing the brushes always ensure that the brush caps arc screwed up tight. Should the motor get too hot first see that the voltage changeover links are set correctly to correspond with the voltage of the power supply. To check the motor windings insert a milliameter in either motor lead. The maximum current should not exceed:

If readings in excess of the above figures are obtained, the motor units or coils should be returned to our Service Department for examination.

If the motor has to be removed from the Record Changer, disconnect the switch leads from the switch and remove the clips holding the leads, then remove the motor fixing screws and the motor can be withdrawn. When withdrawing the motor note carefully how the divided speed control lever parts in two, so that it may be correctly re-assembled when the motor is replaced.

Now refit this screw in an adjacent hole according to the adjustment required. Moving the screw to a hole nearer the platform lengthens the link and increases the inward movement of the platform. By moving the screw in the opposite direction the link is shortened and the outward movement of the platform increased. The permissible adjustment is one hole in either side of existing position of the screw.

RECORDS FAILING TO DROP.

If the records fail to drop correctly, the angle of the record spindle should be checked from the template printed at the end of this manual and corrected it necessary, using great care in doing this as the thin neck of the spindle is very easily broken if unduly bent. If the spindle is correct slide off the name plate on the record platform cover and examine the record pushing pawl (diagram 8). It will be noted that the lower rear tail of this pawl engages a stop at the back of the plat form as the platform moves back when a 10" record is to be played. When a 12" record holds the pawl down the lower tip passes over the stop. When the platform is in the playing position, that is, when the changing cycle has finished and the needle is playing the record there should be a gap of approximately between the rear of the pushing pawl and the front of the stop. If this gap is incorrect, the stop can be adjusted by releasing its two fixing screws and moving it backwards or forwards as necessary, finally re tightening ike screws.

OVERARM.

Note that when a batch of records is on the record spindle and the overarm is lowered thereon, only the pad nearest to the platform should rest on the records. There should be a gap of approximately 1" between the other pad and the surface of the top record. This side of the overarm only connes into action when the last record is a 10". It then prevents the record tipping as the platform moves back leaving the record balanced on the record spindle.

RECORD SPINDLE.

Should an intermittent squeak develop it is probably due to the anti-slip sleeve on the spindle having become dry and may be cured by putting a spot of thin oil between the sleeve and the spindle.

TEMPLATE FOR R.C.65 RECORD SPINDLE.

Should the record spindle be accidentally bent out of position through being dropped or other reasons, the record dropping will be affected. If trouble is experienced with erratic record dropping, lay the record spindle on template and check that it conforms to the shape thereof.

PICK - UP DROPPING POSITION.

The pick-up arm has been finely adjusted so that the needle comes on to 10 in. records in a 9 5/8 in. diameter circle and 12 in. records in a 11 5/8 in. diameter circle. These positions were arrived at after checking a very wide selection of records of various makes.

There may be a few records where the record track starts further away from the centre, (i.e., nearer the edge), and in these exceptional cases the needle may alight on the record a few grooves from the start. If the pick-up dropping position were set for these exceptional discs it would not be suitable for average records.

Should the dropping position of the pick-up require adjustment the pick-up adjusting screw - accessible through a hole in the unit plate (diagram 1) - should be turned with the Changer in its start position; that is, with the pick-up arm on its rest.

The pick-up adjusting screw should be turned either to the right or left, according to requirements. A quarter of a turn in either direction will give you the maximum adjustment. After adjustment, switch on, check the dropping position and re-adjust if necessary.

PICK - UP HEIGHT.

The Pick-up should lift sufficiently high for a long needle to just clear the surface of the eighth record on the turntable when the pick-up returns to its rest. If it is necessary to adjust the amount of lift look for the "Adjustment for pick-up lift" shown on diagram 3.

When viewing from back of the Record Changer, this adjustment is immediately underneath the pick-up arm pivot spindle and appears as two similar screw heads. The left-hand head is the locking screw and the right-hand head is the eccentric adjustment screw. To adjust this, first operate the changer and stop when the pick-up arm is moving back across the record to its rest. Loosen the two nuts on the back of the screws, then turn the eccentric adjustment screw as necessary to give the correct height. One half a turn of this screw will give the maximum amount of adjustment. After making the necessary correction, re-tighten the nuts on the back of the screws.

AUTO - TRIP MECHANISM.

The satisfactory operation of the Record. Changer depends upon the operation of the auto trip. Occasional adjustment of the auto trip friction spring may, there fore be necessary.

If, at the end of a record, the auto trip does not operate - that is, the pick-up remains at the end of a record-first see that the record has a run-off groove in its centre (as only records with run-off grooves can be played automatically on Record Changers). If the record is in order in this respect see that the trip lever is clear of the unit plate, since any added friction here will prevent it moving in towards the striker. If it is quite free, increase the tension of the friction spring by turning the auto trip friction adjustment screw (see diagram 1) in a counter-clockwise direction; about half a turn is all that should be necessary. This screw is accessible on removing the turntable. Should the changer operate before the end of a record, or a bumping or tapping noise be audible, first examine the trip lever rubber and if it is worn, give it half a turn to present a new surface to the striker. If badly worn, renew. If trip lever rubber is in good condition, reduce the tension of the friction spring by giving the auto trip friction adjusting screw (see diagram 1) half a turn in a clock wise direction.

RECORD PLATFORM ADJUSTMENT.

When dispatched from our Works the record plat form is set to accommodate records of average dimensions: Occasionally, however, records may be found outside the normal limits; if necessary, therefore, the platform may be adjusted to take them.

To control the platform movement are two adjustable links, each fitted with two screws. One link, with its pivot at the bottom of the platform lever, controls the platform tilt, whilst the other controls the distance the platform pushes inward (see diagram 8).

It is this latter link which may be adjusted to accept records differing from the normal in diameter. To do this, loosen the screw further away from the platform and remove the other screw.

ADJUSTMENT TO PICK - UP

"GARRARD" Magnetic types of pick-up are interchangeable with the Crystal type or vice-versa without alteration to the pick-up arm on these Record Changers, provided the pick-up is fitted in a " GARRARD " Head.

All "GARRARD" pick-up heads are of the plug-in type, connections being made by two plugs and sockets at the back of pick-up head.

To remove the pick-up head, unscrew the pick-up fixing screw, withdraw the pick-up, casing the pick up lead under the arm, and remove the two plug connections from back of pick-up.

If reproduction ceases, or becomes distorted when fitted with a "GARRARD" standard magnetic pick up, first make sure that the amplifier is in order. Should this be found satisfactory, a slight adjustment to the pick-up may be necessary or the damping rubber may need renewing.

To examine the pick-up proceed as follows: Unscrew the two screws to be found underneath the head, (do not touch the two screws located on each side of the needle), and remove the pick-up unit from the head, then, viewing the front of the pick-up examine the armature to see that it is in the centre of the gap between the pole pieces.

If it is touching one of the pole pieces it must be re-centred. To do this, loosen the two screws holding the adjusting plate, sliding the latter until the armature is in the centre, then retighten the screws.

If the armature will not retain its centre position, it will be necessary to renew the damping rubber. This can be done by removing the adjusting plate, replacing the rubber and re-assembling the plate.

Adjust the plate until the armature is centred before tightening the screws.

The top damping rubber tends to perish in time. It should, therefore, be replaced whenever it appears that the needle stiffness has increased, otherwise excessive record wear may occur.

Distortion may be caused by dirt or foreign matter in the gap between the pole pieces. To remedy, the adjusting plate and damping rubber and cican gap.

The pick-up coil winding can be checked for continuity with an ohmmeter.

If a Crystal or High Fidelity Pick-up is suspect, the pick-up head should be returned for examination. A continuity test cannot be carried out on Crystal pick-ups with an ohmmeter.

Crystal Cartridges or High Fidelity Pick-ups must not be opened or the manufacturers will disclaim all responsibility.

SPARE PARTS LIST FOR R.C.65