W-600R/W-488R
3
●
0dB is referenced to 0.775V.
●
The AC voltmeter used in the procedures must have an
input impedance of 1M
Ω
or more.
●
Unless specified otherwise, adjustments and checks are
made in FWD direction.
2-2 ELECTRICAL ADJUSTMENT
2-2-1 Precautions
●
Before performing adjustments and checks clean and
demagnetize the entire tape path.
●
In general, adjustments and checks are made in the order
of Lch then Rch. Double REF. Nos. indicate Lch/Rch.
(Example; R11/R21)
2-2-2 Adjustment locations
Fig. 2-2
P303
L301
L201
L101
R14
R24
R22
R21
R11
R12
R23
R13
R32
1
2
TP1
TP2
MAIN PCB
Frequency Counter
AC voltmeter
Oscillator
Distortion Analyzer
Oscilloscope
AC voltmeter
W-600R
W-488R
1kHz Filter
L
S1
R
L
R
LINE IN
OUTPUT
S2
Fig. 2-3
