RCA Victor TRK-12, Manual

Page: 24 / 29

PAGE m - c
TRK9, TRK90, TRKI2, TRKI20
Fidelity Switch (S
4
, S
5
, $
6
, S
7
)
Switch
Position
For
I-F
Amp.
Audio
Amp.
110-V. Supply
for Tele.
Chassis*
Osc. -f B
Supply
Dial
Lamps**
No. 1
(Counter­
clockwise)
Victrola —
Min. Highs
Off Off On
No. 2
Victrola
—
Max. Highs
Reduced Lows
Off Off On
No. 3
Victrola —
Full Range
Off Off On
No. 1
Radio
Sharp
Min. Highs
Max. Lows
Off On On
No. 2 Radio Sharp
Max. Highs
Reduced Lows
Off On On
No. 3
Radio
Sharp
Max. Highs
Full Lows
Off On On
No. 4 Radio Broad Full Range Off On On
No. 1 Television
—
Min. Highs Oii
Off Off
No. 2
Television
—
Med. Highs
Reduced Lows
On Off Off
No. 3 Television
—
Full Range On Off Off
* Controlled by switch ( S I 2 ) on rear of fidelity switch.
The Ist-l.F . heater is opened on television positions 1, 2 and 3.
Figure 27— Functions o f Fidelity Sw itch
Calibration Scale
|iiiijiiii|iiii|iiii|iin|nii[iiii|i!ii|iiii|iiii|iiii|iiii|iiii^
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 S50 160 170 180
IONOON . ICMINRCTAOV - MADMD
B O - BROUN - M U k O O m u
y \ f Ą
taeU N . TOKYO - PITTMUROH LONDON - SCHHTY
LO ND O N - K O M I • PARIS BfRLIN - PITTSPOH
N U IZ I N
25M PR
A O U I
AMTR 19M
'B U S
BBUN . LONDON U tU N . Pim tU RO H
N . YORK - PARIS LONDON ■ SCMHTY
1 6 M N U I Z I N 1 3 M N IW YORK
550 600 700 800 1000 1200 1400 1600
2.5
120M
TROPICAL RROA0CAST
A M IR IC A N PO LICI
AMOtAFT 90 M
TROPICAL
AMATO* 60 M AMOtAFT
KHABAROVSK TROPICAL
BROADCAST
49M
ONONNATI ■ TORONTO
MDUCO CITY. ODCAOO.N.YORK
HAVANA - RIRLIN - PITTSBUROH
0 10 20 30 40 50 60 70 80 80 100 110 120 130 140 150 160 170 180
IliilliililiiiililiillllllliiiliililliilliililiillliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliMiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiln ■
Figure 28— Tuning Dial, and Corresponding 0-180° Calibration Scale
T h e corresponding dial setting for any reading of the calibration scale can be determined by drawing a line straight up
from this point; for example, 151° on the calibration scale corresponds to a dial reading of 1,500 kc on “A ” , band. Read
instructions under “Alignm ent Procedure.”