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"S" METER
METER
ADJ.
SCREW
o
LIMITER
AF
GAIN
CONTROL
&
A.C. SWITCH
CALIBRATE
SWITCH
c wo
CONTROL
TRADE
NAME
MANUFACTURER
TYPE
SET
TUBES
POWER
SUPPLY
TUNING
RANGES
HOWARD
••Thelisting Of
available replacement
case a
warranty Or guaranty by Howard W. Sams & co., Inc..
as to the quality and suitability of such replacement
been compiled from
Inc., by the
Of the particular type Of replacenent port
••Reproductionor use.without express permission,Of
BAND
TONE
SELECTOR
CONTROL
CONTROL
PHONES
TRIMMER
JACK
National
National Co., Inc., 61 Sherman St., Maiden 48, Mass.
AC Operated
AM SuperheterodyneCommunications Receiver
E ighteen
110-120
Volts
AC
General
Coil
Set
14-30MC
7-14.4MC
3.5-7.3MC
c
1.7-4.
900-2050KC
480-960KC
180-430KC
100-200KC
50-100KC
25.35MC
AD
W. SAMS
a CO.,
herein doesnot constitutein
The numbers of these
furnishedto Howard W. Sart% & Co..
or pictorial con-
TRIMMER
MAIN
TUNING
CONTROL
DIAL
osc.
ANT.
AVC
SWITCH
1.0 Amp@ 117Volts AC
RATING
Bandspread
Coverage
27.0-30.
14.0-14.4MC
7.0-7.3MC
3.5-4.
OMC
27.5-30MC
21.0-21.5MC
50-54MC
INC.
Indianapolis
tent,
any
is
the use Of the infomx•tion
conlained herein. Copyright
& co..
5, Indiana. U. S. Of America. Copyright under
Copyright Union. All rights reserved under Infer-American Copyright
Union (1910) by
W.
DATE 5-53
NATIONAL
MODEL
HRO-60
DIMMER
CONTROL
osc.
SELECTIVITY
CONTROL
pHASlNG
CONTROL
SWITCH
RF
GAIN
CONTROL
CONTROL
SWITCH
OMC
OMC
5,
Indiana
NO patent liability is
with respect to
1953 by
& co.. Inc."
Printed
in U. S. Of America
SET 202
O
o
W.
FOLDER 4

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Summary of Contents for National HRO-60

  • Page 1 CONTROL PHONES ANT. SWITCH c wo SWITCH TRIMMER CONTROL JACK National TRADE NAME National Co., Inc., 61 Sherman St., Maiden 48, Mass. MANUFACTURER AC Operated AM SuperheterodyneCommunications Receiver TYPE E ighteen TUBES 1.0 Amp@ 117Volts AC RATING 110-120 Volts POWER...
  • Page 2 C48 C45 C49 C23 C18 C24 C50 C58 C43 C40 C61 C62 C39 C60 C59 C36 CHASSIS BOTTOM VIEW-CAPACITOR IDENTIFICATION...
  • Page 3 POS. pos. POS. POS POS. POS. pos. pos. pos. POS. POS. pos. PLUG-IN NOTE: INDUCTANCE ADJUSTMENTS AT POSITION NO. 16 ARE AS FOLLOWS: l. A, B & C Coil Loop of wire form vay or Other adds or inductance. 2. D Coil Set Adjustable disc insi&...
  • Page 5 @6BA6 @6BA6 10000 0000 1 REG 0082 6BE6 n 000 SOOO @5V4G 240VAC 4H-4 S. S VAC SOOO 3 VAC PLUG A PHOTOFACT STANDARD NOTATION SCHEMATIC...
  • Page 6 @6SG7 CONVERSC* @6BE6 I N OFF m*TON 1000 z 20.v 2.2K 2.2K 'OCO 10000 OJ 6SN7GT 6SJ7 CRYSTAL SOCKET SOCKET 10000 l.sueo SHOWN CALIBRATE IF— 455 @6V6GT @6SJ7 100* 2.2K 220K @6V6GT...
  • Page 7 @6SG7 @6SG7 :sto I Sto •000 10000 '0000 2.2K PART NO. 4 6SK7 TYPE 016SN7GT I.SyEG NARROW ADAPTOR TEST QUARTZ JACK "ooec so—2 DC Voltage measurements are at 20.000 Ohms per vole; AC Voltage measured at 1,000 ohms per volt. Socket connections are shown...
  • Page 8 R44 R49 R45 R48 R41 10 R12 R18 R17 R16 R15 114 R63 R36 R37 R38 R40 CHASSIS BOTTOM VIEW- RESISTOR IDENTIFICATION 09-081-1 rlVN01JVN...
  • Page 9 = •o:r.vs CHASSIS VIEW 41-1-4 5V4G 6SG7 6SG7 6BE6 6SJ7 6SG7 6BA6 6BA6 6BE6 CHASSIS VIEW PAGE...
  • Page 10 PARTS LIST AND DESCRIPTIONS (Continued) PARTS LIST AND DESCRIP CAPACITORS CONT.) EPLA T DA DC RES. REPLACEMENT DATA NATIONAL MILLER CORNELL. PART No. PART No. NATIONAL ERIE MALLORY SPRAGUE NOTE AEROVOX CAP. VOLT DUBILIER PART No. PART PART No. PART No.
  • Page 11 PARTS LIST DESCRIPTIONS RESISTANCE READINGS DIAL LIGHTS Tube Pin 2 Pin 4 REPLACEMENT DATA '500}«. 100Q 6BA6 ITEM 3. 5Meg NATIONAL NOTES BASE TYPE AMPS• COLOR t7.7KQ Bayonet Brown F 136—6 Type Bayonet Brown F136-6 22K': 22012 1.80 6BEe Bayonet...
  • Page 12 ALIGNMENT INSTRUCTIONS MAIN TUNING MAL main tuning dial should normally give no however, dial should removed from receiver it must not until m,Nnted the caßcitæ shaft Vith set scre•s tißlt. fiis the dial is mly for ten revoluticms (O to 500) if turned than this mechanism...
  • Page 13 ALIGNMENT FIRST CONVERSION CONVERTER ALIGNMENT SIGNAL SIGNAL BAND DUMAY Leave the signal generator connected as during Conversion IF Alißlrnent. GENERATOR GENERATOR SWITCI switch to AM. the AVC switch to OFF. Plug in phasing control at ZERO. coil Set the selectivity switch at OFF.
  • Page 14 CTIONS (CONT.) BAND SPREAD OSC. & RF ALIGNMENT OUTPUT It is important that general coverage alignment before bandspread alignment, since general coverage METER ADJUST REMARKS alignment affects bandspread alignment. General coverage alignment is not affected by bandspread ahgnment, so if mly bandspread alignment is required it may...
  • Page 15 PARTS LIST AND DESCRIPT PARTS LIST DESCRIPTIONS RESISTORS CONT TUBES(SYLVANIA or Equivalent) REPLACEMENT DATA RTMA RATING ITEM ITEM NOTES NATIONAL ITEM STANDARD NATIONAL PART PART No. OHMS WATT REPLACEMENT TYPE 220KQ 1569-53 BTS-220K R 60 1st.RF Amplifier 6BA6 8BA6 BTS-47DK...