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ADJUSTMENT
INSTRUCTIONS
VIF Adjustment
--
L
.
tern
1st wave form
Overall waveform
DC 15.5v
R364(IC351 -1 pin)
R364(IC351 -1 pin)
DC5-8V
TP-C(C115+)
TP-C(C115+)
:
Output
probe
.-
TU - TP
TU - TP
al
Input probe
TP - L(R1 20)
TP - L(R1 20)
g
DC 5V
R700(Q700-
E)
R700(Q700-
E)
"
DC 12V(Jig-A)
Q293- Base (Note
I )
Q293- Base (Note
1)
DC 9V(JigB)
lC710-pin
3 and 4
lC710-pin
3 and 4
Out put probe
b-side
b-side
SYSTEM
PAL(Jig-A)
- side b
PAL(Jig -A) - side b
c
Oscilloscope
-
10OmV/div
10OmV/div
:E
sensitivity
l@41!2
:
Sweep
ATT.
B
...........
20 dB
20 dB
u
Damping resister
not used
TP-D
~
,, ,:
Setting Band
none
none
ADJUSTMENT
Adjust T121 for 38,9MHz
By using tuner converter coil and T1 01,
maximum.
adjust the waveform as shown below.
Waveform
flMHz
{{
!
MAIN UNIT
(moo
)
~
2ELECI
UP
W
DC 15.5V
!
OF
)
T31i
CONVERTER
TRAMS
o
0
*
D-
O11o
1: :
SW!W
SERVICESW
~j
L211
K2B
VRZ1l
sw
BRIGHT
r
6)1
I
I
0252
0:
I
0124
x
VIOEOAMP
022,
":
0;
la~~
-=
TP.F
"R1~
_
0%
~
al
=
AUOiO IN
vtIXO
IN
Note 1: PAL only model does not
have Q293 (switching TR.).
This connection
is not necessary
for PAL only model.
E==l
=E3
+
OSCILLOSCOPE
G'
Ioun
Input Prob
Overa#l~
Ad.
"\
inner
Comwtar cd
iz!zEr
—6—
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