Sony TC-RX55 - Recording Calibration Procedures; Record Bias Adjustment Steps; Record Level Adjustment Steps

Record Bias Adjustment
Setting :
REC
LEVEL
control:
standard
record
(See
page
4.)
Procedure :
1, Mode: record
AF OSC
blank tape
10k Q CS-17
S}
25mV (—380dBs)
1) 316Hz
2) 10KHz
2. Mode: playback
recorded
LINE OUT
Confirm that the 10kHz playback output is 00.5dB ralative
to the 315Hz output, If necessary, adjust RV42 (L-CH), RV62
(R-CH) and repeat the steps given above.
Adjustment Location : HX PRO board
Recording bias adjustmnet
7 eaaeenenimmeamamenm
RV42 RV62
(L-CH) (R-CH)
ina em Recording (ec
see RV101
adjustment (L-CH)
Record Level Adjustment
Setting :
REC LEVEL control: standard record (See page 4.)
Procedure :
1, Mode: record
Oe blank tape
ORS CS-17
attenuator
“al.
315Hz, 0,044V (—25dBs)
2. Mode: playback
recorded
portion
{ oes
3, Play back the signal recorded in step 1.
Confirm that the signal level is within the specification
below. If necessary, adjust RV101 (L-CH), RV201 (R-CH)
and repeat the step 1-3,
Specification : LINE OUT level: —25dB+0.5dBs (0,041~0.046V)
Adjustment Location : MAIN board