Service manual

 36 
<DECK SECTION>
DUMMY
INPUT
OUTPUT
AUX(L)
AUX(R)
OUTPUT
AUDIO SIGNAL
GENERATOR
SPOUT(L)
SPOUT(R)
AC MILLIVOLTMETER
CH2CH1
(1KHz,1V)
(0.5V)
ATTENUATOR
6
Ω
OUTPUT
OSCILLOSCOPE
CH2CH1
LOAD
Hz
WOW&FLUTTER METER
HP OUT
%
INPUT
CENTER UNIT
Prepare the following before adjusting the deck.
Preparation
 Measuring Device: Audio Signal Generator / Attenuator / Wow & Flutter Meter (Frequency Counter) / Oscilloscope / Millivolmeter /
Dummy Load (6 ohm).
1) Connect the set to the measuring device as shown in the following diagram.
2) Output 1V(1 kHz) from the generator and adjust the attenuator until AUX IN becomes 0.5 V.
3) Set AUX for FUNCTION and adjust the volume until the millivoltmeter value becomes 2 V.
PWB MAIN
PATTERN SIDE
SFR351
SFR352
Lch
Rch
1 2
3
4
SP OUT
GND
5