Sony TC-V3 - Page 9

Record Bias Adjustment
Setting:
REC LEVEL control: standard record
(See page 11)
Procedure:
1. Mode: record
af osc
blank tape
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LINE IN
1) 315 kHz
2) 10 kHz
» 25mV (—30dB)
2. Mode: playback
recorded
portion
LINE OUT
Adjust CT101, 201 so that the LINE OUT level of
10kHz signal is OdB +0.5dB relative to that of
315 Hz.
Adjustment Location:
~ AUDIO board —
Record Level Adjustment
Setting:
REC LEVEL control: standard record
(See page 11)
Procedure:
1. Mode: record
af osc
blank tape
€) CS-15
attenuator
_—
oO
LINE IN
315 Hz, 0.25 V (—10dB)
2. Mode: playback
recorded
portion
LINE OUT
Specification:
LINE OUT level: 0.46 ~ 0.41V
(—4.5 ~ —5.5dB)
Adjustment Location:
— AUDIO board —
RV103 RV203
Level Meter Calibration
Procedure:
1. Mode: record
af osc
©) attenuator
oO
LINE OUT
315Hz, 0.25V (—10dB) 1.7V (7 dB)
0.44V (—5 dB}
. Set the REC LEVEL control so that the LINE
OUT level is 0.44V (—SdB).
‘ Adjust RV104, 204 so that the 9th segment from
the right of the LED meter goes on.
. Set the REC LEVEL control so that the LINE
OUT level is 1.9V (8dB). Make sure that lights in
the all segments go on.
Note: Slide the REC LEVEL control rightward slowly.
Adjustment Location:
— METER DRIVE board —
RV104 RV204
Si