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W-87072
6H6
2". DET 8/ AV C
6SG7
3.°
I
F.
6SG7
65A7
15TDET.
6SG7
6SG7
R31
6SG7
18TR.F.
1000
2"0R.F.
2. , I
F.
IST I.F
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V7
01
0
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7
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C54
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C71
0103
05
L4I L42 MFDT
/
L43 T8 = L44
OIMF0.7.
B
RI9
33M
8
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02 0
L35 1.36
L37 L38
1
T5,
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590 390)40',' fir
;:0
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L48
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100 c
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4
C
A
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eke' J1?7?9 ° .`
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T3
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4700
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C52
4700
4 c
94
90
a
c
B
RICT
-
11 -4
j_ C107
I '4%
1133
I 0,
2 2MEG
05 MFD
C55
L39
ROE
1000
C93
40
MFD
C95
I, V DT
-
47
Cl,
}
01
MFD
390
L45
46
A • 1 1
)
R34
1000
C75
''IM'CI
=0 3-15
R26
1000
R47
—1
C92
0.1MFO
0102
OIMFO
C2
3-25
C3
H3-410
2 2 MEG
C53
•
cztg
R48
66M
68
R7
30
037
4
2.20
R
.
6
7
3
C38
2-20
C I
2
-20
:t
2-
2
0
2
39
3 3
NOISE
LIMITER
7 330
25 ▪ 9
242 20
R35
680M
R49
33M
L1
.
l2
4
0124 Jr
150'. /30700
3
06
1
I 3 47
2-2
C6
0
C70_
4
9-ize
C109
051400
L3
L4
14
S20
REARAH_
(
CRYSTAL
Al
F
RONT
4
2
— FRONT
CII0
05MFD
I
L29
3
L
6
4
064
2-20
L5
L
79
j
r
L9
R27
560M
C 023
L28
CS
2-20
61.16
NOISE LIMITER
e
V9
0
0 willp&
*W
C&
18.2
CD
4
▪ C66
2-2.0
2
L30
1-
1 -c67
T 22
+002 8
LI
R 50
560M
LII
IL12
C63
911
4700
FRONT
[ 1000
C48
05 MFD
C7
T
47
00
100M
Oa_
AVC-NOISE
LIMITER
SWITCH
2
,
B AN
RANGE SWITCH SHOWN IN POSITION 1 (
75
TO 200 KC)
SELECTIVITY SWITCH (S17, 18,19, 2.0) SHOWN IN
POSITION 1 (BROAD)
AVC- NOISE LIMITER SWITCH (521, 522) SHOWN IN
MANUAL POSITION WITHOUT NOISE LIMITER
OFF - TRANSM -REC SWITCH (523, SEA) SHOWN
IN "OFF" POSITION.
CII6
RANGE SWITCH (51 TO 516 INCL. ) SHOWN
IN MAX. COONTER/CW POSITION (BAND 1)
AS VIEWED FROM FRONT OR KNOB END
OF SWITCH.
2700
4
8
0 5
7
6
;AND
RANGE
1_73-203 KC
2___195- 550 KC
3_ _ _148-4 4 MC
4_ __425-1215MC
3___119-19 5 MC
6___190-305MC
522
REAR
521
FRONT
II
CIII
1
2 R 1.1 5 EG
AUDIO
GAIN
2
991
1131
OLOW TUSE
C
lr() :A
2700
CAPACITORS CI II, 33, 4Z 51, 52, 54, 63, 83,
118,
121,
122 MAY BE Cl MFD (P7 . 86091-511)
EXCEPT THAT FOR 0118, 122 A SINGLE
01 MFD SHOULD BE USED.
CII7 MAY BE 006 MFD (PT .86091-509)
CIII, 116, 119 MAY BE 003 MFD (P7 . 86091-
507).
016
L
6V6 GT/G
OUTPUT
6J5
BEAT FREG OSC.
VI2
6 5_7 7
is, A
F
R42
1136
2. 2MEG.
390M
VIO
TO TERM . 4 VII 8
ON SOCKET
028
R29
120M
0
47M
----AA-
1
- '7W- 1.7
. C84
;!I 6 5
T4C78050
I
272'
L22
g9
2.?N1FD
R97
I MEG
31
635
CI22
05C
TO L
gp,
. ' 1;
5
4 - I-
4700
CIL5
330
C112
0 25
MFD.T
CII7
CHB
087 -
4700 4700
R52
1500
R24 -
R40
270 M
I MEG
013
120M
1153
330M
05 -21"UT
R54
2700
VR-I50
VOLTAGE REG.
TIO
A
220
R38
I SMEG
C
O
_
CONTROL
C88
56
113
R39
023
100
MFD
\
1.5Z' -1
CI30
I
560
8
R4I
100M
523
REAR 9
OFF-TRANS
B F.0 SW
C51
PHONE
R56 JACK
J2
4
14
4 4
VI3
0.30
seom seom
2700
2
524
(MOUNTED on S23)
1
J
O
I
CKET
TI
Ij
SOCKET (JI) C.ONNECTIONS FOR
BATTERY OPERATION
-"B" TO PIN * G
4'33'
kw.7)-ro
PIN .7
- 'A" TO PIN .5
+ W(6V)TO PIN .4
5V
L50
L49
RECT
1170
525
V14
6,60
TB 2
TERMS
1 82 _ _ FOR EXTRA PAIR
OF
PHONES
-
}TRANSPI RELAY
5_ _ _ _DIVERSITY
TB4
TERMS
I
a, a_ _EXTERNAL
SPEAKER
2.54IMFEO
B
O 01
0
00 3
0
--
C 97
4 MFD.
C96
4MFD
COO
4NFO
2340
V
117V
4,
R45
15
R43 R4,
100
iso
„
•
R46
R55
6800
66M
TO ALL
HEATERS
(.11 0IRECT & DIAL LIGHTS
R F GAIN
NOTE -
ALL CAPACITOR VAES YEN IN MAE ANO ALL RE515ToR
SALUES
GIVEN IN om
LU
MS tft
&
-ESS
anrqw.sz
SPEC FIED
TUBE SOCI'.ETS ARE DESIGNATED BY
551180L V
FOR
GOKRESPONDiN0 TUBE N NUN BER
NOTE.-USE PHONES WITH 600
OR LESS IMPED.
Figure 11.—General Purpose Communications Receiver — Schematic Diagram.
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