Connections; Rms Symmetry Adjustment Setup; Vca Symmetry Adjustment Setup; Decoding Level Adjustment Setup - Tascam 3030 Service Manual

Stereo tape deck
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f
3-6-5
C0t{trECTl0lrls
Low drstort0n
AF
OSCILLATOR
14E++*EtB
Oistortion
factor:0.02o% or less
Output
level:3V
or
more
E+O.O2%ilT
H'3VDT-L
Thas
terminal
is not the
same
as the decoder
and encoder
7=-fEt>=-?-(.
+*frirrR6
Low
drstortron
AF
OSCILLATOR
{EE++tE?*
Distortion
factor:0.O2ol or less
Output
level:3V or
more
E*O.O2%UT
H,]3VL1I
o
P601
I
(4)
2(3)
TP.1(rP.2)
TP.5(GND)
OUTPUT
FiS.
3-12
RMS
symmetry
adjustment setup (decoder)
VCA SYMMETRY AOJUSTMENT
WAVEFORM GENEBATOR
OSCILLOSCOPE
t'/n7)-7
l;;:"
h+lt'
SYMMETFY ADJUSTMENT
WAVEFORM
Fis.
3-13
VCA symmetry
adiustment
sstup
(decod6r.l
AC
VOLTMETER
ACf]EE+
Do not
connecl
to
PCB
CND.
ttfid)GNO(:*fift
L
OSCILLOSCOPE
t'>
a
71-J
4DOiO
ooo
o
t'zn7=-a
AC
VOLTN,,IETER
ACTE;+
/o
o
o
22
Fig.
3-14
Decoding
level
adiustment setup (d6coder)

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