Page 4
PH I LCO
Service Bulletin
No. 220
WAVE TRAP-Connect the Signal Generator antenna
and ground leads to the antenna and ground posts of the set.
Replace the grid clip on the 6A7 tube cap. With the signal
generator operating at 460 K.C. and the set controls adjusted
as for I.F., adjust wavetrap
© until the minimum reading is
obtained in the out-put meter.
SHORTWAVE-Turn waveband switch to position 4
(extreme right). Set signal generator at 18 megacycles and
dial of set
at 18.0 (top scale). Now adjust the oscillator, R.F.,
and Antenna compensators in turn, for maximum reading.
These are
@), @ and® respectively.
Turn the dial to 6.0 M.C., set the signal generator at 6.0
M.C., and adjust condenser @ for maximum reading. This
compensator is located underneath the chassis and reached
from underneath. (See Fig. 3).
STANDARD WAVE-Turn waveband switch to position
2 (standard broadcast), set signal generator at 1500 and dial
of set at 150. Now adjust the oscillator, R.F., and antenna
"Standard" condensers. These are
@, @ and ©
respectively.
Now turn the dial to 60, set signal generator at 600 and
adjust condenser
@ (oscillator standard-series) (nut) for
maximum reading.
POLICE BAND-Turn waveband switch to position 3
from left (police band); set dial at 2.4 and signal generator at
2400 K.C. Adjust condensers© and@ for maxmium reading.
(Antenna and R.F. Police.)
LONG WAVE (Weather) BAND-Turn waveband switch
to position 1 (left) (Longwave). Set dial at 35 and signal gener-
ator at 350 K.C. Adjust condensers@,
@and© (oscillator,
R.F., and Antenna Longwave) for maximum reading.
Turn dial to 17, signal generator to 170 and adjust con-
denser
® (longwave series) (screw) for maximum reading.
PHILCO Headphone and Adapter Kit
Ideal Acce$sory for Model 650
To enable short-wave fans to "listen-in" with
maximum convenience and comfort at any hour of
day or night, without disturbing anyone else in the
room, the PHILCO Headphone and Adapter Kit,
(Part No. 45-1167) fills a
long-felt need. Also ideal
for the hard-of-hearing member of the family.
Contains a pair of De Luxe Light-weight, highly
sensitive headphones with cord and plug, and a
special Adapter-box with cord and plug for con-
necting to radio by inserting under tube.
Can be used with practically any radio without
changing any connections. Comes packed in a
neat cardboard box, with full instructions.
Philco Headphone and Adapter Kit
Part No.
45-1167
PHILCO Headphone and Adapter Kit, Complete .................. List Price, $7.50
YOUR DISTRIBUTOR CAN SUPPLY YOU
PHILCO RADIO & TELEVISION CORPORATION
Parts and Service Division
May, 1935
Printed in U.S. A,
To Previous Page
Loading...
