Teac R-919X Service Manual

4-6-2 RECORD/PLAYBACK METHOD
Note: When measuring with this method, the recorded section
should be played back repeatedly to obtain an average value.
Be careful not to read the meter for those parts of the tape
in which wow and flutter components in recording and play-
back cancel each other.
4, Load a blank TEAC MTT-5521 test tape or equivalent and
record a 3,000 Hz signal in FWD (REV) direction.
5. Rewind (fast forward) the tape to the beginning of the recorded
section, and play it in the FWD (REV) direction.
6. The wow and flutter should not be more than specified.
Specification: 0.2% RMS (V-970X)
0.25% RMS (R-919X)
oscillator
frequency counter
attenuator DECK
roe
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unew|
UNder
test
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oureyr
Fig. 4-10 Connection for tape speed, wow and flutter
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4-7 LUBRICATION
Lubrication is only required when parts are replaced. For this pur-
pose, use the oil and grease specified below.
Oil: TEAC TZ-255A motor oil (from TEAC TZ-255 oil kit),
Mobil D.T.E. Oil Light, or equivalent
Grease: ORE-LUBE G1/3 or equivalent
1. Apply a drop of oil with an oil applicator to a point about 1/3
the way down the shaft (from the free end) of the flywheel, then
insert the shaft into the capstan housing.
2. Apply a suitable amount of light grease to the well of the fly-
wheel bearing.
4-8 VOLTAGE CONVERSION
(FOR GENERAL EXPORT MODELS)
ALWAYS DISCONNECT THE POWER LINE CORD BEFORE
MAKING THESE CHANGES.
1. Locate the voltage selector on the rear panel. of the deck as
shown in the illustration.
2. Using a regular screwdriver, tura the selector until the numerals
corresponding to the vol’tage requirements of your area appear.
| V-970X/R-919X
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0.2526 RMS (JERR ES HH IE) (R-919X )
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capstan flywheel ass‘y
capstan shaft
well of
flywheel
bearing
capstan
housing
Apply a drop of oil here
Ll RET S
Fig. 4-11
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oe
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Fig. 4-12 Voltage conversion

Teac R-919X Specifications

General

Brand	Teac
Model	R-919X
Category	Cassette Player
Language	English