RCA RADIOLA 17
SERVICE NOTES PREPARED BY RCA SERVICE
DIVISION
INTRODUCTION
RCA Radiola 17 is a six-tube tuned radio frequency receiver (Figure 1), utilizing RCA Radiotrons
UX-226, UY-227, UX-171 and the Radiotron full wave rectifier UX-280 in the socket power unit
(Figure 2). The use of Radiotrons UX-226, UY-227, and UX-171, using raw alternating current for
filament supply,
FILTER CONDENSERS
FILTER REACTOR
POWER TRANSFORMER
Figure 2
—Socket Power Unit showing various parts.
and Radiotron UX-280 in a plate and grid supply unit makes Radiola 17 a complete socket power
receiver operating on 105-125 volts, 50 to 60 cycle A. C. lines.
Very little service work should be required on Radiola 17. However, the following notes are
published for the guidance of those called upon to locate and remedy any trouble that may occur.
To
Ant
6
5
4
3
2
1
2
nd
1
st
Detector
3
rd
2
nd
1
st
A.F.
A.F.
R.F. R.F.
R.F.
Radio Frequency
To
Loudspeaker
Figure 3
— Radiola sequence in
RCA
Radiola
17
TERMINAL
STRIP
