Teac A-3340 - 7. MEASUREMENT AND ADJUSTMENT -ELECTRICAL; GENERAL NOTICE FOR ELECTRICAL ADJUSTMENTS

7. MEASUREMENT AND ADJUSTMENT
-ELECTRICAL-
GENERAL NOTICE
Before performing maintenance on this
unit, thoroughly clean and demagnetize
the entire tape path.
It is important that the unit be set
to the proper voltage and frequency
for your locality.
TEAC specified standard test tapes and
test equipment must be used when per-
forming maintenance to insure reliable
results.
Procedures for checks and adjustments,
unless otherwise indicated, are for
the left channel at a tape speed of
7-1/2ips. The same procedures are to
be applied to the right channel and
again for both channels at 3-3/4ips
and or 15 ips.
All controls mentioned in this book will
be printed in bold letters and will be
exactly as they appear on the unit.
Double designated symbol numbers refer
to left channel/right channel.
L CHANNEL
~A-3300/3340-
Fig. 7-1 Adjustment Locations
Only FRONT adjustments are illustrated,
REAR adjustments are identical.
LOCATION
PLAYBACK EQ.
VR201
VR202
PLAYBACK LEVEL
PLAYBACK METER LEVEL
VR303 REC METER LEVEL
VR301 SOURCE MONITOR LEVEL
L 301 REC EQ.
L 302 BIAS TRAP
vC401 BIAS NORMAL ADJ.
vc402
BIAS HIGH ADJ.