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AFT Adjustment
AFT Adj. (Rough)
I AFT Adj. (Fine)
4
Item
R368(C364
side)
R368(C364
side)
lCIO1-pin48
IC101 - pin48
No band
No band
TUNER-IF
TUNER-IF
TP-D
TP-D
DC 15V
IF AGC(3.5-
4.5V)
BAND
Output Probe
Input Probe
—
26 dB
26 dB
29 dB
29 dB
side a
side a
1V/Div
1V/Div
.
Sweep Att.
SG Output Att.
Output Probe
Oscilloscope
Sens.
Keep IF AGC voltage which was
Set the VIF Adjustor Sweep off and Pix SG to
adjusted VIF adjustment.
Cw output.
Conform the marker position
By using T1
21, adjust DC voltage to be 3.6V ~
P(38,9MHz)
near by
the Ref. line.
0.2V.
,
Adjustment
Waveform
Input Probe
10KQ
/-
"G"
~-
"
-"
Oscilloscope
I
I
IC790
DC 15V
ok-'
C364
IC351
o
I
R368
-)
—
An Adj. (Fine)
Iw
0462
@
#
6
TP–
D
T102
I@
KOY
VR462
0702
J
BZ
pin-46
@@~-
07;
'm
VR120
H-C;;;;;
~
AGC
0203 m
m
w
D
0101
SECAM
DC 3.5 – 4.5V
o
0
00[
>1
0
0245
0
IC451
VERT.
AMP.
00
0
i
.
Output Probe
m"~~
0610
mm
6
TV/AV SWITCH
TP –
A
0764
-
Ba=
(No Band
Setting)
b
lKQ
vR451
KSC
o
SW451
_l
~
;':T.
K602
~-
1
DOWN +
IJP
VERT, CENTER
MAIN UNIT
–9–
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