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NEW
GENERAL
ELECTRIC
21FLP4
A NEW TYPE " UNIVERSAL"
REPLACEMENT
TUBE
General
Electric
recently
an-
nounced the 21FLP4, newly devel-
oped 21" 90° " Universal" replace-
ment tube.
This one tube type will replace 13
popular industry types:
21ALP4A
21BNP4
21CMP4
21ALP4B
21BTP4
21CVP4
21ATP4
21CBP4
21CWP4
21ATP4A
21CBP4A
21BAP4
21CBP4B
In 1960 the 13 types accounted
for up to 25% of the replacement
picture tube market. Now, you can
stock one out of every four replace-
ment picture tube installations, sav-
ing you time and enabling you to
provide faster customer service.
The
G-E
21FLP4
features
a
unique designed straight line high
resolution
gun
with
electrostatic
focusing, which does not require an
ion trap. This makes the installa-
tion easier and faster. The 21FLP4
uses a high temperature phosphor
developed by General Electric which
provides
improved
brightness
and
contrast.
The carton identification has the
tube type in large bold print and is
followed
by
a listing
of
all
the
types it replaces.
All G-E replacement picture tubes
contain all new material and parts
except for the envelope, which prior
to reuse, has been inspected to the
same standards as a new envelope.
See your authorized G-E tube dis-
tributor for information regarding
G-E Black-Daylite picture tubes.
*
Re- used Envelope
e
ELECTRONICS
ONE G-E 21FLP4*
PICTURE TUBE
REPLACES
13 TYPES
FILLS 25% OF YOUR
REPLACEMENT NEEDS
The General Electric 21PLP4 just released.
Here's the only picture tube you need for one
out of every four replacements. It replaces 13
tube types. Thirteen replacement tubes you
don't have to order— pick up— pay for— or
carry in stock to meet your customers' re-
quirements. ICs almost like getting a I3- tube
inventory in one picture tube! Quick avail-
ability for more of your replacement needs.
The General Electric 21FLP4 is a low-voltage
electrostatic focus tube which does not re-
quire an ion trap magnet. Saves time and
work on service calls and in the shop. The
General Electric high-resolution electron gun
and deep-cushion phosphor screen help pro-
vide the long-lasting, brighter picture your
customers want.
The General Electric 21FLP4 re-
places these 13 tube types:
21ALP4
2IBAP4
21CBP4B
2IALP4B
2IBNP4
21CMP4
21ATP4
21BTP4
21CVP4
2IATP4A
21CBP4
21CWP4
2ICBP4A
Get full details on this 2I- inch 90-degree " uni-
versal" replacement picture tube from your
General Electric tube distributor.. General
Electric Company, Distributor Sales, Elec-
tronic Components Division, Roam 8238B.
Owensboro, Kentucky.
73ogress Is
Our
imporIant Product'
GENERAL
ELECTRIC
BENCH
NOTES
G- E REMOTE RECEIVERS
I want to commend the boys respon-
sible for the remote controls on the new
G.E.
TV
sets. They are neat pieces
of engineering.
On several R.F. remotes I have re-
cently had the same trouble. The sensi-
tive relays would not pull closed when
a function button was depressed. The
reed relay was working in each case
and the actuating voltage was present.
In each instance, I found a small piece
of steel cutting wedged between the
armature and pole piece of the relay.
When this was removed the relay was
restored to normal operation.
Gerald Chambers
3415 - 25th
Lubbock, Texas
RECTIFIER QUICK CHECK
I have found that when a television
set comes into the shop with the com-
plaint of gradual shrinkage of hori-
zontal and vertical sweep during the
warm-up, it is usually caused by the
power rectifier tube. A simple way to
determine this would be to remove and
replace the rectifier tube. However, the
sets that employ selenium rectifiers be-
come more involved if the particular
size of rectifier is not in stock.
It has been nrit experience that a
quick way to check whether a selenium
rectifier is bad or not is to place an
electric fan blowing toward the recti-
fier and to observe the picture.
Increase in height and width of pic-
ture proves the rectifier is bad. Lack of
increase in height and width proves
the cause is elsewhere. In most cases
the input filter capacitor is at fault.
Christopher E. Leone
Ridge Television Co.
7820 Third Ave.
Brooklyn, N.Y.
SET PROTECTION
Protect burned out V H F tuner coils
against
high
voltage
and lightning
surges by inserting two fuses in T V
antennae lead-in of
1
43 ampere or less
rating.
Anthony Tomashunis
826 Winters Avenue
West Hazleton, Pa.
*
*
*
Those desiring to have letters published in this
column
should
write
the
Editor
Techni-Talk,
Electronic Components Division, General Electric
Company, Owensboro, Kentucky. For each such
letter
selected
for
publication
you
will
receive
$10.00
worth
of General
Electric tubes.
In the
event of duplicate or similar items, selection will
be made by the Editor and his decision will be
final. The Company shall have the unlimited right
without obligation to publish or otherwise use any
idea or suggestion sent to this column.
Caution: The ideas and suggestions expressed in
this column are those of the individual writers.
These ideas and suggestions have not been tried
by the General Electric Company and therefore
are not endorsed, sponsored or recommended.
2
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