Sony TC-K333ESG - Page 11

3. Phase check
By the means of 6. Tape Path check on page 9
confirm that phase difference is proper.
4. After the adjustment, lock the adjustment screw
with locking compaund.
Adjustment Location :
adjustment screw
Tape Speed/WOW Check
Procedure:
test tape
WS-48S frequency counter
(3 kHz, 0 dB) & WOW meter
47 k2Q
{f=
LINE OUT
Lor R-CH
1. Measure the output frequency and the WOW value
while playing back the tape top of the test tape.
2 Turn over the test tape, measure the output
frequency and the WOW value, and check the
difference from the values of the step 1.
Adjustment Limits :
TAPE SPEED deviation: within 2,990 to
3,010 Hz
TAPE SPEED fluctuating width: within 2,990 to
3,010 Hz
WOW (WRMS): 0.037 % or less
| TC-K333ESG/K950ES
Playback Level Adjustment
Procedure:
Mode: playback
test tape
P-4-L300 VTVM
(315 Hz, 0 d8)
ene | BE
LINE OUT
Adjust RV101 (L-CH) and RV201 (R-CH) to ob-
tain the specified LINE OUT level.
Adjustment Limits :
LINE OUT level: 0.42 to 0.46 V
(-—5.3 to — 4.7 dB)
Level difference between channels:
less than 0.5 dB
Check that the LINE OUT level does not change in
playback mode while changing the mode from
play back to stop several times.
MPX FILTER Check
Setting: DOLBY switch: OFF
MPX FILTER switch: OFF
Procedure :
1. Mode: stop
AF OSC
. attenuator
0 ——a
LINE OUT
LINE IN
315 Hz, 0.25 V (-10 dB)
2. Apply 315Hz, 0.25V (—10dB) signal and adjust
REC LEVEL (RV501) control so that the LINE
OUT level is 0.44V (-—5dB).
3. Set DOLBY switch to B or C and MPX FILTER
switch ON. Confirm that the LINE OUT level is
0.39V to 0.49V (-5dB + 1dB).
4. Apply 19kHz 0.25V (-10dB) signal and confirm
that the LINE OUT level is 0.013V (-35dB) or less.
Adjustment Limits :
LINE OUT level
315Hz 0.389V —0.49V (-5dB + 1dB
19kHz 0.014V (-35dB)
a | ee