Level Meter Adjustment; A/D Distortion Factor Adjustment - Sony DTC-1000ES Service Manual

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DTC-|(XXIES I
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ç2-13.
Level feter AdJustnent
Adjustm€nt
1. Set the INPUT seleet switeh to ANALOG
and input a 1 kHz signal (-6dB) frorn the
oscillstor.
2. Turn on the power switeh, insert blank tape
TY-308, and put ttle set into the REC MUTE
mode.
3. Cheek the
setting
of the REC
volume
eontrol.
4. Adjust RV103 (R-cH) and RV203 (L-CH) so
that the level meter reads -6d8.
Adjrrtmat Point
Audio board (component side)
1-2-11. AÆ Distottim
Faetor Adustn€nt
AdJtstment
l. Set the INPUT select switch to ANALOG
and input a 1 ldtz signal (odB) from tlre
osoillator through an attenuator.
2. Connect an oscillæcoPe to the LINE OUT
terminal.
3. Turn on the power switehr insert blank tape
TY-308, and put the set into the BEC MUTE
mode.
4. Turn
the
REC volume control until
the
trOVERrt indicator llghtsr then attenuate the
input signal by l.SdB using an attenuator.
5. Adjust RV102 (R-CH) and RV202 (L-Cn) so
that the signal at the LINE OUT terminal is
minimized.
DTC-1000
OscilloseoPe
Reference value: -84.5d8 or less (20RHz LPF ON)
Adlustmat
Point
Audio board (comPonent side)
RV I05
R V 2 0 3
- o
o o
R V I O 2
I
J
o
T
\
RV202
o o
o
o
- æ -