RCA Victor TRK-12, Руководство пользователя

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TRK9, TRK90, TRKI2, TRK120
Radio Receiver Chassis No. RC-427, RC-427A,
RC-
427
F,
RC-427G and Socket Power Unit No.
RS-
83
E
Three-Band, Electric-Tuning, A - C , Superheterodyne Receiver
Electrical Specifications
F
r e q u e n c y
R
a n g e s
Standard Broadcast ( “A " b a n d )........................... 540-1,720 kc
Interm ediate Frequency.......................................... ..........................
T
u b e
C
o m p l e m e n t
( I ) RCA -6K7.............................................. .. R-F Amplifier
( 2 ) RGA-6A8..................................................... , . 1st Detector
( 3 ) RCA -6J7....................
Oscillator
( 4 ) RCA -6K7................... 1st I-F Amplifier
( 5 ) RCA-6K7................... 2nd I'F Amplifier
( 6 ) RGA-6R7......... .... 2nd-Det., A.F., A.V.C., and Muting
Medium W ave ( “B” b a n d )........... .......................... 2.3-7.0 me
Short W ave ( “C ” b a n d )............................................... 7.0-22 me
.................................................................................................. 455 kc
( 7 ) RCA-6J5............................................... 2nd A-F Amplifier
( 8 ) RCA-6J5..................................................... Phase Inverter
( 9 ) R C A '6F6..................................................... Power O utput
(10) R C A '6F6..................................................... Power O utput
R 0 4 2 7 and R 0 4 2 7 A only: R C A 6 U 5 ..................... Magic Eye
(1 1 ) RCA '5U 4G (In RS'83E S P U ) .. . Full'W ave Rectifier
Dial L a m p s................
Power Supply Rating
J Two Mazda No. 44, 6.3 volts, .25 amp.
( O ne Mazda N o. 47, 6.3 volts, .1-5 amp.
(The Mazda No. 47 is the electric tuning set-up lamp, located at center of dial.)
• ...................................................................... 105*125 volts, 50'60 cycles, 120 watts
P
ow er
O
u t p u t
U ndistorted. . . .
Maximum...........
L
o u d spe a k e r
(RL-70F-5)
10 watts T y p e .......................................................... 12-inch electrodynamic
12 watts Voice-Coil Impedance........... ' . ............2.2 ohms at 400 cycles
General
Radio receiver chassis N o. RC-427 is used in RCA Victor
Television Console Model TRK-12; RC-427A in TRK-9;
RC-427F in TRK-120; and RC-427G in TRK-90.
T h e audio output of the television chassis is connected to
the audio input of the radio chassis by means of jack X-17
and section S7 of the fidelity switch. T he functions of this
switch are tabulated on a following page.
A separate plug-in power unit, RS-83E, is used to supply
heater and plate voltages to the radio chassis.. Service data
and diagram for this power unit are shown below.
Description
N M H i i u M r i o e u T Y
t u n i n g r a n
GC
CONTROL. S E L E C T O R C O N T R O L S E L E C T O R
Figure 19— Operating Controls (Radio)
Figure 20—Schematic Diagram Radio S P U , R S-83E
M-86727 R S 8 3 ?