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ADJUSTMENT
1. Tape Speed Adjustment
Settings :
• Test tape :
TTA–100
(Tape center)
• Test point :
PHONES (J101)
• Adjustment location : SFR301
• TAPE SELECTOR : NORM
• VOLUME :
MAX
Method :
Play back (FWD) the test tape and adjust SFR301
so that the frequency becomes 3015 Hz ± 10 Hz.
Then confirm WOW is less than 0.50%.
2. Dolby level check
Settings :
• Test tape :
TTA – 200
• Test point :
Dolby test point
TP1(R–CH), TP2(L–CH)
• DOLBY SW :
OFF
• TAPE SELECTOR : NORM(auto)
• VOLUME :
MIN
Method :
Connected an electroytic capacitor (10uF/16V) to
measured equipment and TP1 or TP2, check that
the voltage is 32 mV ± 1.0 dB.
SFR301
MAIN C.B
A
PHONES
1
1
VR101
VOLUME
IC201
J101
IC301
TP2
(R-CH)
(L-CH)
TP1
2
*
*
: At the other side of the pattern.
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