Sony TC-158SD - Page 11

Re
TC-158
Record/playback Head Azimuth Adjustment Playback Level Adjustment
Procedure: Procedure:
1. Mode: playback
test tape
P-4-A81S test tape
7 P-4-L81
alae Ll (333 Hz, 0dB)
LINE OUT LINE OUT
0.55 V (-3 dB}
Turn the adjustment screw for the maximum
level and set it to the mechanical mid position
| Specification:
LINE OUT level: 0.52V—0.58V
(-3 dB + 0.5 dB)
Check that LINE OUT level does not change in
playback mode while changing the mode from
playback to stop several times. ,
| within 0.508
adjustment Adjustment Location:
screw R-CH —— angle
peak
playback EQ board
Mode: playback
test tape
P.4-A81S
(6.3 kHz, -10 dB)
L-CH 100 k2Q oscilloscope
LINE OUT
| Screen paren
DOOOGS
inphase 45° 138° 180°
good RV314 (L-CH) RV414 (R-CH)
Adjustment Location:
adjustment screw