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P-100EUC
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Alignment Procedures
1. Align
T102
and T1103 so that the wave
form
is
illustrated in Fig. 9.
2. Regulate
Output of the sweep generator so that the
hight of wave
form is 0.6Vp-p after aligning above-
mentioned.
Fig. 9
36.8MHz
Overall alignment
Preparation before Alignment
1. Change
only
the
connection
of sweep
generator
through the capacitor and resistor (1000pF & 56022)
in series from
TP-11 to TP-4 on PIX IF alignment
abovementioned.
3, Supply DC 15V to TP-10 and DC. 10V toTP-9.
Alignment Procedures
1. Align T1 and T1017 so that the wave form is illustrated
in Fig. 10.
2. Regulate output of the sweep generator so that the
hight of wave form is 0.6Vp-p after aligning above-
mentioned.
33.4MHz
55~70%
35~40%
'Oo
38.9MHz.
0.6Vp-p
Fig. 10
36.8MHz
3. Sound IF Alignment
Test Equipments
1. Sweep generator with markers
Sweep frequency range 5 ~ 6.5MHz
Marker frequency: 5.5 and 6.0MHz
2. Oscilloscope
3. Power source
DC 4.5V and 0.7V for A.G.C.
Preparations before Alignment
1. Connect the capacitor and resistor (0.01uF & 1kQ)
in series between
TP-12 and output of the sweep
generator.
2. Connect input of oscilloscope to TP-21. In this case,
set the zero point of the oscilloscope to its center.
3. Supply DC 0.7V for A.G.C. to TP-14 and DC 4.5V to
TP-52.
6.0MHz Alignment Procedures
1. Set the TV-RADIO switch S3 to TV (UK) position.
2. Make strongly output of the sweep generator within
suppressing
the limiter.
3. Align
the
wave
center
to 6.0MHz- with
T203
as
iNtustrated in Fig. 11 A.
6.0MHz
5.5MHz
Fig. 11 A
Fig. 11 B
4. Make weakly output of the sweep generator.
5. Align
the
wave
center
to
6.0MHz
and
also
for
maximum gain with T201 and T202.
5.5MHz Alignment Procedures
1. Set the TV-RADIO switch
$3 to TV.(EUR) position.
2. Make strongly output of the sweep generator within
suppressing the limiter.
3. Align the wave center to 5.5MHz with C220 capacitor
as illustrated in Fig. 11 B.
4. VHF
Tuner Alignment
Test Equipment
1. Sweep generator with markers
Sweep frequency range: 50 ~ 250MHz
2. Oscilloscope
3. Power source
DC 4.5V for +B, 0.7V for A.G.C., -10V,
0 ~
30V
variable for tuning voltage and 5V & 15V for changing
VHF high channel or low.
4. V.T.V.M.
Preparations before Alignment
1. Connect the capacitor and resistor (1uF & 10kQ)) in
series between
TP-12 and input of the oscilloscope.
In this case, regulate the gain of the oscilloscope so
that the height of the wave form is 10 graduations
on the screen when suppling DC 0.6V to input of the
scope.
2. Supply 0.7V to TP-14, 4.5V to TP-52, ~10V to TP-9
and 0 ~ 18V variable for tuning voltage to TP-8.
Alignment Procedures
4-1
IF Trap alignment
1. Set the VHF-UHF selector to VHF position.
2. Supply 15V to TP-10 and adjust 0 ~ 18V variable
supplied to TP-8 to approx. 2V.
3. Connect IF signal of sweep generator to TP-1.
4. Align L1 to obtain minimum gain for 36.8MHz.
4-2 Low channel alignment
1. Supply 175V to TP-10 and adjust 0 ~ 18V variable
supplied to TP-8 to approx. 6V.
2. Connect RF signal (CCIR 3CH) of sweep generator'
to TP-1.
3. Align the wave center to 57.0MHz with L11.
4. Align for maximum gain with L2 and L7.
4-3 High channel alignment
1. Supply 5V to TP-10 and adjust
0 ~ 18V variable
supplied to TP-8 to approx. 8V.
2. Connect RF signal (CCIR 9CH) of sweep generator
to TP-1.
. Align the wave center to 205MHz with L10.
. Align for maximum gain with L4 and L6.
Repeat the steps abovementioned.
xB
Ww
No. 3308
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