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OECODER ADJUSTMET{T
ta-tgE.
preset
each
of
the
trimmers of the
decoder section on
the
PCB
to
their approximate
center
positions'
'*Yltl{'Jl1iit&P>t -lit'Et''t
6
'
Refer
to
Figs.
3-10 and
3-1
1.
TP.1
ITP.2:
Clean
200
Hz
sineryvave
*, h
iENt h\zo
OHz
a
tt'lilxiq
t-
f4
4 &
P601
-1
/P601
4
1oo
nil-e.z
dB
(3oo
mv)
Ftg. J-lz
i
-'g in*zx't*tt
-E{R
(smvl'-l
}
)
l.l:*6&
lffiE'
P603-1
/P6O34
'
Xi"iiii""tv
stra.ight
horizontal
line on
the.
;s;o;-i;;;'.
(Leiel
variation:
5
mV
or
less)
TP.1ITP.2
Staircase
waveform
[ffiiE
Flg.
J-
lJ
P603-1
/P6034
-8.2
dB (300
mV)*
P6O1
-1
/P601
4
1
kAzl-8.2
dB (300 mV)
Fig.3-14
4. Decoding
level
*,+v<)vgtr
E:+V\)v
I
h\
4a*IL.
P6O3-1
/P6O34
-20
dB
t1
dB against
Ref
.
1
{26.9
mV
-33.8
mV}
P601-1
/P6014
1-u'l.il-ta.z
dB
(95.4
mv)
F
is. 3-14
5,
Operation
level
7a-ffri*7r'Y2
P603-1
/P6034
+2O
dB
!1
dB against
Ref.
1
Q.67
v
-3.38
V)
P601-1
/P6O1
-4
1
kHz/+l
.8
dB(954 mV)
P603-1
/P6034
+5 dB
tl
dB against
Ref.
1
@77
mY
-602
mV)
P6O1-1
/P6014
1oo
tt.t-g:
dB (3oo mV)
6,
FrequencY
response
B;A*4+tt
P603-1
/P6O34
+9.4 dB +1 dB against
Ref
.
1
(793 mV
-997
mV)
P601-1
/P6014
1O
kHz/-8.2
dB
(3OO
mV)
EI{COOER
ADJUSTMET{T
->a-rfi'g
ffioftheencodersectiononthePCBtotheirapproximatecenterpositions.
?i'f
$I'EtEti,&
1z
>
t
-iit-E
t:t
4
Refer
to
Figs.
3-10and3-11
TP.3/TP.4
Clean 2O0
Hz
sinerivave
N\
)
r
ifr.t,
h\200H
z
a
tLlt'ir?
l'
1+
4'J
P701-1/P701-5
1OO
H4-a.2
dB
(30O
mV)
F
tg.
J- l3
i-:'iip-nzt,te[-E*n6-v;1
F)
Ir./*6.r
f
ffi#.
P703-1
/P703-5
'
ni"ijtiu"rv
straight horizontal
line on
the
;t"lpJ i"i!';.
tl6vet
variation'-q
TY
9'i":tl
R727
1R728
TP.3/TP.4
Staircase
wavelorm
II*fEi't
P703-1
/P7035
-8.2
dB
{3O0
mV)*
P701-1
1P701
I
1
k{zt-82
dB
(3O0
mV)
Frg.
J-
|
/
10,
Encoding
level
*.+v.<lvlfilE
*'+v
/\)v
2
h\
4a*.|U,-
P703-1
/P7035
-30
dB
lO.5
dB against
Ref.2
(9.54
mV
-
10.1
mV)
P7O1-1
lP7O1-5
l
k{zl-68.2
dB
(3
mV)
Fis.
3-17
11.
Operation
level
-r.-Sg1ft7z't2
tt.ii
YStS:."d'
asainst Rer.
2
(9O0
mV
-
1.01
V)
P701-1 1P701-5
1
kHz/+11.2 dB
(3
V)
*1FV r:)V
2
h:
i,ax.|u..
t1t#'jJS:
dB asainst Rer'2
{213
mV
-240
mV)
"f;;Jii:JldB
(3oo mV)
1
2. FrequencY
lSsponse
Elt&Ii4+t4
P703-1
/P7035
-4.7
dB
lO.5
dB against
Ref
.
2
(166 mV
-186
mV)
P701-',t
1P7016
' 'io
unzt-e.z
dB
(3oo
mv)
e
21
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