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ALIGNMENT INSTRUCTIONS (CONTJ
ANTENNA 1 RF COIL ALIGNMENT
17
A
17B
18
19
20
21
Disconnect L26 from cathode of oscillator tube (Pin 3-1.JAT7 V 2 ) . Note that the antenna coils
are tuned f i r s t for the picture carrier frequency and then the RF colls are adjusted second for
the sound carrier frequency.
On chassis TS-4B, C, D & E disregard "A
1
adjustment points. Refer to line drawing showing
antenna, RF' ana oscillator augment points for these chassis.
DUMMY
ANTENNA
Direct
Direct
Direct
SWEEP
GENERATOR
COUPLING
High side to
bottom "A" on
antenna termi-
nal strip. Low
side to "G"
SWEEP
GENERATOR
FREQUENCY
57MC
(10MC
sweep)
63MC
( 10MC
sweep)
69MC
(10MC
sweep)
MARKER
GENERATOR
FREQUENCY
55 . 25MC
& 5L.75MC
61 . 25MC
&65.75MC
67.25MC
471. 75MC
Channels 5 & 6 are aligned with AM Signal Ge
Direct
Direct
High side to
bottom "A" on
antenna termi-
nal strip. Low
side to "G"
Not Used
77.25MC
(400 %
3056 M o d . )
81.75MC
(400 ^
30£ M o d . )
83.25MC
(400 <\,
30* M o d . )
87.75MC
(400 '\,
30* Mod.)
CHANNEL
2
3
4
CONNECT
SCOPE
Across Rio .
(Converter
cathode resis-
tor)
nerator Instead of sweep
5
6
Across R18.
(Converter
cathode resis-
tor)
.ADJUST
frs-^F.G
H&.J ONLY,
A18,
A17
A18,
A17
A20,
A1&
REMARKS
Adjust for maximum
amplitude & symmetry
and for placement of
markers as per Fig. 3
"
generator.
ASS~,
A21
A24,
A23
Adjust for maximum
amplitude.
There are no antenna coll adjustments for Channels 7 through 13. The RF Colls for these
channels are adjusted as follows, using AM Signal Generator and Oscilloscope connected as
ab ove .
A. If Channels 3 & 6 have been set up adjust A25 for Channels 8, 10 & 12 to maximum response
at 195MC in Channel 10.
B. If Channels 2, 4 & 5 have been set up adjust A25 for Channels 7, 9, 11 & 13 to maximum re-
sponse at 189MC In Channel 9.
ALTEFiNATE ANTENNA 4. RF COIL ALIGNMENT USING AM SIGNAL GENERATOR AND VTVM
17A
18
20
DUMMY
ANTENNA
Direct
Direct
Direct
Direct
Direct
SIGNAL
GENERATOR
COUPLING
-Ugh side to lower
"A" terminal on ant.
terminal strip. Low
side to "R".
SIGNAL
GENERATOR
FREQUENCY
55.25MC
(No Mod.)
& 59.75MC
(No M o d . )
61.25MC
(No Mod.)
& 65.75MC
(No Mod.)
67.25MC
(No Mod.)
& 71.75MC
(No M o d . )
77.25MC
(No M o d . )
& 81.75MC
(No Mod.)
83.25MC
(NO M o d . )
& 87.75MC
(No M o d . )
CHANNEL
2
3
4
5
6
CONNECT
VTVM
DC probe to
Point ^J> .Common
lead to B-.
ADJUST
A18
A17
A18
A17
A20
A19
A22
A21
A24
A23
REMARKS
Adjust for maximum de-
flection.
For Channels 7 through 13 follow same procedure as outline in Step 21. Instead of a scope
being used as an output Indicator a VTVM connected as above may be used.
ANT. COL
R.F. COIL
OSC. COIL
ADJUSTMENTS
ADJUSTMENTS
ADJUSTMENTS
0
11
O -H
JH O
h
79
< o
ANT.j RF. &OSC. COIL ADJUSTMENTS FOR CHASSIS TS-4B.C.D&E
PAGE?
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