Table of Contents
AFT Adjustment
L
.
*
Item
AGC Voltage Alignment
Resonance Frequency Adj.(rough)
Resonance Frequency Adj.(fine)
DC 15.5V
R563 (D592 side)
R563 (D592 side)
R563 (D592 side)
,5
IF AGC(3.5-4.5V)
ICI 01- pin48
ICI 01- pin48
IC101 - pin48
G
BAND
0
UHF(with Jig-A)
UHF(with Jig-A)
UHF(with Jig-A)
c
c
Output Probe
TUNER-TP
TUNER-TP
TUNER-TP
G
Input Probe
TP-F
ICI 01- pin44
ICI 01- pin44
Sweep ATT.
25 dB(lTL)
25 dB(TTL)
25 dB(TTL)
Output Probe
side b
side b
side b
c
Dumping Resistor
R124
not used
o
Oscilloscope
Sens.
not used
.-
10OmV/div
lV/DIV
*
1V/DIV
e
SG Output
None
ATT 35dB
c
ATT 35dB
6
Fix the AGC voltage when the
Keep AGC voltage, and conform the Keep AGC voltage"
Adjustment
overall waveform
level is
marker position P is near by the Ref.
Set the VIF Adjustor Sweep off and
adjusted at 1.0 Vp - p.
line.
pix, SG to CW output,
Using T1 21, adjust DC voltage to
be 3.6V * 0.2V.
Waveform
n
_
-
~l:output
p's&
,
m
o'
~o
o
PROG
LEVEL
Main Unit
HEAOPHONE
PS501
R5U2
05!
~a
~ 407'5 R791
,,,,,
m
VRFAI
In
o
0 0
IC451
VERT, AMP.
—1
>
'7
- ',,.-,
/,
I
L
u
i
TP– E
I
I
:9
d
8
TP-FO
a
al
o
I
I
SW220
I
w
; R124
I
;
m==
@ T121
r)
C270
H OELAY
w
TELETEXT UNIT
/
Input Probe
'+%---t"soscopecope
ResonanceFrequencyAdj.
=3
100 S2Damping
Resistor
B
1
Output Probe
"9–
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