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3.4 CLOCK FREQUENCY ADJUSTMENT (ES)
OC Regulated
Power Supply
@ Connection Diagram
Frequency
Counter
connected as shwon in the Fig. 10, set the RESET switch
to ON to reset the display unit.
2. Adjust TC901 so that the value of the frequency counter
display is within 131.072kHz +1Hz.
3.5 DOLBY NR LEVEL ADJUSTMENT
@ Connection Diagram
on
;
;
DOLBY NR
P.C.BOARD
@ To Adjust
1. Set the DOLBY NR switch to OFF.
2. Play back NCT-150
(400 Hz, 200 nwb/m), and adjust
VR251 (L ch) and VR252 (R ch) so that the value of the
mV meter is within 300mV + 1dB. (300mV= —8.24dBs)
Fig. 11
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