Teac A-4300SX - Measurement and Adjustment; Adjustment Locations and Adjustment Points

8. MEASUREMENT AND ADJUSTMENT
—ELECTRICAL—
NOTE:
Before
performing
maintenance
on
this
deck,
throughly
clean
and
demagnetize
the entire Tape path, TEAC maintenance equipment to be used:
TEAC TZ-261 A/B for cleaning
TEAC E-3 for demagnetizing or equivalents
Service Data were determined using TEAC YTT Series Test Tape.
Procedure for checks and adjustments, unless otherwise indicated, are for the
left channel at a tape speed of 3-3/4 ips (9.5 cm). The same procedures are to be
applied to the right channel and again for both channels at 7-1/2 ips (19 cm)
speed.
The deck must be matched to the voltage and frequency of your locality.
Most amplifier checks and adjustments can be made from the bottom with the
(bottom) metal panel removed.
8-1 ADJUSTMENT LOCATIONS AND ADJUSTMENT POINTS
ADJUSTMENT |
ee aa fe Ref. Nos 68 SOUS TVENT
P.B.EQ (HIGH) VR101/103 RECORD LEVEL VR303/306
P.B.EQ (LOW) VR102/104 REC EQ L301/303
BIAS TRAP (For OUTPUT)| —__L201/202 BIAS TRAP L302/304
P.B. LEVEL VR201/203 DUMMY COIL L401
P.B.METER CAL. VR202/204 BIAS ADJ. (SW-1) vc401/402
RECORD METERCAL. | VR302/305 BIAS ADJ. (SW-2) vRa01
MONITOR LEVEL [_.vR301/304 ja stbos chan.) _|
Ampl PC Board Location and Adjustments Points