Teac A-3340S - Page 37

MALFUNCTION
15-2. TROUBLESHOOTING
POSSIBLE SOURCE OF TROUBLE
CORRECTIVE PROCEDURE
Incorrect tape
speed
Brakes do not
release
Fast forward or
rewind mode
inoperative
No record and/
or no efase
No playback
Drive belt in wrong position, |
Incorrect pinch roller
pressure,
Defective brake solenoid
Rewind relay (K-3)
Fast relay (K-2)
Record head dirty, erase
head dirty, operate relay
(K-1), record relay (K501,K502,
K601,K602),
REC micro switch{S~8), record
amplifier, bias OSC, record
head, erase head
Playback head defective or
dirty, amplifier-to-deck
connections, monitor switch
(S-712), playback amplifiers
Reposition drive belt.
Adjust pinch roller pressure.
The D.C resistance of the
brake solenoid should be
1.6k 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,
Refer to playback amplifier
voltage chart,