Sony PS-6750 - Record Playing Operations; Speed Adjustment Guide; Troubleshooting Common Issues

RECORD PLAYING
Amplifier
With the volume lowered, turn on the amplifier and set the input
selector to PHONO. After lowering the arm onto the record, adjust
the sound level, stereo balance and tone quality according to
your preference.
Turntable
Follow in sequence the numbered operation of the diagram.
@ Place a record.
@ Depress the POWER switch.
© Depress the START/STOP button, and the turntable runs.
@ Select the turntable speed.
© Ensure that the stroboscope pattern of your frequency (50 Hz)
appears stationary.*
60H-—{_ mm mF 45-rpm
— 1
—45-rpm
a 5
50Hz—
— i -33'/3-rpm
@ Lift the Cueing lever up [ ¥ ] and bring the Arm above the
lead-in groove of the record. Then lower the Cueing lever [ ¥. ].
The arm lowers and the record playing begins.
*|lf the proper pattern moves to the right, turn the Pitch control
to the “F” (fast) direction.
If the pattern moves to the left, turn the Pitch control to the
“S” (slow) direction.
NOTES
e@For 17cm (7-inch) record, put the 45-rpm adaptor (supplied)
ever the spindle.
@To stop playing lift the Arm by setting the Cueing lever to
{ ¥ J and bring it to its rest. Then push the START/STOP but-
ton to stop the turntable.
SPEED ADJUSTMENT
If correct speed cannot be obtained by adjusting the Pitch con-
trols, readjust the semi-fixed adjustment screws at the bottom
of the set. For the 331/3-rpm adjustment, turn the 33 screw,
for 45-rpm adjustment, the 45 screw.
@ Depress the POWER switch.
@ Center the 33 or 45 Pitch control.
© Push the START/STOP button to turn the turntable. Set the
Speed selector either to 33 or 45. Slowly turn the correspond-
ing speed adjustment screw with the screwdriver until the proper
storoboscope pattern of your line frequency remains stationary.
“PF... make faster, “S”...make slower (See @ on page 2.)
TROUBLE CHECKS
The following chart will help correct most troubles which may
occur with the PS-6750. If the trouble persists after you have
checked these items. consult your Sony dealer.
Impaired tone quality or incorrect reproduced sound
e@Turntable not level (Adjust with the resilient feet.)
elncorrectly placed on or near a speaker
e@Worn stylus or defective record (The stylus will be worn out
after 400 hours of playing time.)
e@ Dusty stylus
@Ilmproper tonearm balance
e@lmproper tracking-force
e@lmproper setting of the Anti-skating compensator
@lncorrect stylus replacement
e@lncorrect turntable speed
Noisy sound or no audio from one channel
e@Loose attachment of the shell to the arm (Plug the Shell
securely. Wipe thoroughly the shell connector pins.)
@improper setting of the amplifier balance control
@loose connection of phono cord
Groove skipping, Tonearm tends to skate out. Tonearm
does not advance.
e@Turntable not level
e@lmproper tracking-force
@improper setting of the Anti-skating compensator
e@ Defective record
@ External vibrations (Use the resilient feet.)
@Loose earth wire connection to the amplifier
@Loose contact between the shell and tonearm
@Incorrect connection of the cartridge lead wires
eWing nuts unreleased
Unclear sound (acoustic feedback)
@ Resilient feet locked
@Turntable placed near a speaker
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