Sony TC-RX50 - Page 4

m output
djustment
ier within
within
1 dB
—e angie
oscilloscope
| locking
3-2. SPEED ADJUSTMENT
Procedure :
Mode: playback
speed checker
or
digital frequency
t
test tape saad
WS-48A
(3kHz, OdB)
— _ aes
LINE OUT
Specification :
Speed checker Digital frequency counter
—1-—+1% 2,950 —3010Hz
Frequency difference between the beginning and the
end of the tape should be within 1.5% (45Hz).
Adjustment Location :
speed adjustment
variable Resistor
| TC-RX50/RX50ES TC-RX50/RX50ES |
3-3. PLAYBACK LEVEL ADJUSTMENT
Procedure :
Mode: Playback
test tape
P-4-L300 |
(315Hz, OdB) VIVM
LINE OUT
Adjust RV41 (L-CH) and RV61 (R-CH)
Specification :
LINE OUT level: 0.39 to 0.49
(—6 to —4dB)
Level difference between channels:
less than 0.5dB(0.05V)
Check that the LINE OUT level does not change in
playback mode while chaging the mode from playback
to stop several times.
Adjustment Location :
—MD board—
3-4. RECORD BIAS ADJUSTMENT
Setting :
REC LEVEL control: standard record
(See page 4)
Procedure :
1. Mode: record
af osc
blank tape
€-) 10ka CS-17
attenuator
| per ceeestaeemicemeccest |
o—O0
it : OOO
LINE IN
1) 315H2 | 35 Ay ¢—300B)
2) 10KHz
2. Mode: playback
recorded
portion
a LINE OUT
Adjust CT42 (L-CH) and CT62 (R-CH) so that the
LINE OUT level of 10kHz signal is 0dB+0.5dB
relative to that of 315Hz.
Adjustment Location:
CT42 CT62
(L-CH) (R-CH)
3-5. RECORD LEVEL ADJUSTMENT
Setting :
REC LEVEL control: standard record
(See page 4)
Procedure :
1. Mode: record
af osc blank tape
. CS-17
€-) 10k
attenuator
————71
1,000 7
|
6000
LINE IN
315Hz, 0.25V(— 10dB)
2. Mode: playback
recorded V
Portion VM
LINE OUT
Adjust RV101 (L-CH) and RV201 (R-CH)
Specification :
LINE OUT level: 0.41 to 0.46V
(—5.5 to —4.5dB)
Adjustment Location:
—audio board—
RV201 RV101
(R-CH) (L-CH)