Sony TC-K333ESA Service Manual page 15

Metal Bias Adjustment
Setting:
REC LEVEL knob: standard record position.
(See page 12.)
Procedure:
1. Mode: simultaneous REC/PB
31$H2z, 25mv( —30d8)
AF OSC 10kHz, 25mv( —3008) No-signal tape
63 10x LINE INPUT CS-413
O] attenuator
ener
tt OOO
LINE OUTPUT
2. Adjust RV510(L-—CH)and RV205(R-CH)so that the
difference between the playback output at 315Hz and that
of 10kHz in R-CH is within 0.5dB to —0.5dB.
Normal Bias Adjustment
Setting:
REC LEVEL knob: standard record position.
(See page 12.)
Procedure:
1. Mode: simultaneous REC/PB
LINE IN
10 kHz, 25 mV (~30 dB)
AF OSC 315 Hz, 25 mV (-30 08)
no-signal tape
10k2Q
&) attenuator Contes
oo 0
11,000 71 3 ae
[ ree)
LINE OUT
| TC-K333ESA/K990ES
2. Set the HXPRO switch to ON.
3. Adjust RV103(L—CH)and RV203(R—CH)so that the
difference between the playback output at 315Hz and that
of 10kHz in R—CH is within 0.5dB to -0.5dB.
4. Set the HXPRO switch to OFF.
5. Adjust RV104(L-CH)and RV204(R-CH)so that the
difference between the playback output at 10kHz when
the HXPRO is ON and that of 10kHz when ON is within
0.5dB to -0.5dB.
Meter Level Adjustment
Setting:
REC LEVEL knob: standard record position.
(See page 12.)
'Procedure:
1. Stop mode
AF OSC
LINE OUT
LINE IN
315 Hz, 0.25 V (~10 dB)
2. Adjust RV107(L-CH)and RV207(R-CH)so that a
reading of the meter is set to OVU and the lamp is list.
3. Adjust REC level so that the LINE OUT level is set to
+10dB and check that all the lamps are lit.
Calibration OSC and Calibration Meter Adjustment
Setting: CALIBRATION switch: ON
Procedure(OSC OUT LEVEL):
1. Mode: record(no-signal(LINE INPUT))
no-signal tape