Teac A-3340 - Page 39

MALFUNCTION
Noise or hum
during record
Wow & flutter
Incorrect tape speed}
Brakes do not
release
' Fast forward or
rewind mode
inoperative
No record and/or
no erase
No playback
Defective brake solenoid
POSSIBLE SOURCE OF TROUBLE
Magnetized head, faulty
connections, mic level set
to maximum, faulty record
amplifier, record relay
(K-401). ;
Defective tape, dirty or
defective pinch roller,
oily or defective belt,
reel motor tension.
Drive belt in wrong posi-
tion.
Incorrect pinch roller
pressure.
Rewind relay (K-3)
Record head dirty, erase
head dirty, operate relay
(K-1), record switch(SW-6),
record relay(K-401), record
amplifier, bias oscillator,
record head, erase head.
Playback head dirty, ampli-
fier to deck connections,
monitor switch(SW-501),
playback amplifier.
CORRECTIVE PROCEDURE
Demagnetize and clean head,
repair or replace defective
components.
Clean or replace defective
components. Adjust motor
tension.
Reposition drive belt.
Adjust pinch roller pressure.
The D.C. resistance of the
brake solenoid should be
1.3k ohms.
Replace solenoid.
Refer to schematic diagram
and repair or replace the
defective components.
Refer to schematic diagram
and repair or replace the
defective components.
For record amplifier trou-
bleshooting refer to volt-
age chart. :
Refer to playback amplifier
voltage chart.