Sankyo STD-1700 - Wow, Flutter, and Tape Speed Check; Cleaning Procedures

5.9
5.10
Wow and flutter and tape speed
LINE OUT Frequency
Wow and flutter check TEAC MTT.111 counter
1. Play back the test tape (TEAC MTT.111).
Read the wow and flutter meter. (within . Test tape
0.095% (WRMS) (STD-1800) x =0.040%
within 0.22% (WRMS) (STD-1700) x=
0.12 % (see the figure)
Tape speed
1. Turn the power switch ON. Allow the motor to
idle for 20 seconds.
Using a screwdriver inserted in the adjustment
hole, adjust until the frequency is between
3 000 Hz and + 45 Hz (STD-1800).
STD-1700
In the case of the STD-1700, confirm that the
frequency is between 3000 Hz and + 60 Hz.
If the frequency is not such, replace the motor.
Cleaning
Clean the heads, capstan and pinch roller with a
cotton swab (Q tip). When excessively dirty,
soak the swab in some alcohol,
POWER
Playback ampl. section
Wow & Flutter
meter
Speed tape
adjustment hole
asTor
PAUSE mt