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VOLTAGE AND RESISTANCE MEASUREMENTS
VOLTAGE READINGS
RESISTANCE READINGS
Item
V 1
V 2
V 3
V 4
V 5
V 6
V 7
V 8
V 9
V 10
V 1 1
V 12
V 13
V 1 4
V 15
V16
Tube
6AG5
12AT7
6AU6
6AU6
6AU6
6AU6
6AU6
6AL5
12SN7GT
25L6GT
12SN7GT
6SL7GT
12SN7GT
25L6GT
1B3GT
PINS
7JP4
Pin 1
#OV
107VDC
-.1VDC
«. 2VDC
#.7VDC
0V
*OV
.3VDC
-.5VDC
0V
-1VDC11
f-2.7VDC
-40VDC
-43VDC
0V
Pin 2
I.6VDC
-1VDC
.8VDC
..8VDC
#1.3VTJC
4.9VDC
*1VDC
-.3VDC
17VDC
59VAC
11VTJC
t450VDC
245VDC
120VDC
5 5 VAC
Pin 3
52VAC
2.9VDC
41VAC
34VAC
27VAC
19. 5 VAC
53VAC
13VAC
0V
105 VDC
0V
0V
3.1VDC
225VDC
Pin 4
48VAC
41VAC
34VAC
27VAC
20VAC
13VAC
59VAC
6. 3VAC
-.7 VDC
110VTJC
#-.3TOC
tl.lVDC
-50VDC
225VDC
Pin 5
0105 VDC
41VAC
120VDC
.100VDC
#UOVDC
215VDC
1H07VDC
0V
7VDC
30VDC
0V
*70VDC
t320VDC
-50VDC
-37VDC
Pin 6
#105VDC
215VDC
120VDC
•100VDC
#110VDC
232VDC
»107VDC
0V
0V
0V
0V
0V
6.6VDC
0V
Pin 7
».6VDC
5-7.5VDC
.8VDC
..8VDC
n. SVDC
4. 9 VDC
#1VDC
0V
19. 5VAC
83VAC
34VAC
55VAC
19. 5 VAC
83VAC
Pin 8
.1VDC
6. 5 VAC
9. 7 VDC
48VAC
48VAC
34VAC
3. 7 VDC
Pin 9
48VAC
* DO NOT MEASURE
1
0V
2
0V
220VDC
3
0V
5
7
8
9
>
•
•
•
10
11
14
•
«
6. 5VAC
8 TAKEN WITH VACUUM TUBE VOLTMETER
* DO NOT MEASURE
* MEASURED FROM PIN 4 OF V10
« MEASURED FROM PIN 6 OF V3
t VOLTAGE WILL VARY WITH SETTING OF VERT.
Item
V 1
V~2
V 3
V 4
V 5
V 6
V 7
V 8
V 9
V 10
V 1 1
V 12
V 1 3
V 14
V 15
Tub.
6AG5
12AT7
6AU6
6AU6
6ATI6
6AU6
6AU6
6AL5
12SN7GT
25L6GT
12SN7GT
6SL7GT
12SN7GT
25L6GT
B3GT
Pin 1
*15KO,
*iooon
1. 5 Meg.
t2 Meg.
41000,
1 Mee.
«a
6.8KO.
4.7 Mee.
Inf.
IMej.
10 Meg.
18 Kn
8.5KSJ
Inf.
Tnf.
PINS
1
2
V16
7JP4
On
t750Kn
fSOOKJJ
Tin 2
#680,
33KSJ
82n
.820.
#1S2O.
1. 5Kn
150n
6. 8KO,
t440Kn
320,
#1 Meg.
. 20 Meg..
t20Kn
t520n
23.50.
50 Mee.
Pin 3
280,
1.2KJJ
23n
19n
13.80.
a. en
292
4.20,
on
#22on
On
on
2oon
t32oo.
Inf.
Pin 4
260.
230
19. sn
14. an
9
fin
4.2n
32n
Ifl
8.3 Meg.
3.3 Mee
#00,
#10Kn
10 Meg.
i8Kn
a.SKn
tsson
Inf.
Pin 5
ti.2Kn_.
23n
«on
tsoon
|44ftO
tn. 5Kn
ti. 2Kn
1 Mfif?.
t7.2 Meg
t2. 2Meg,
470KO.
t7Kn
.20 Meg.
18Kn
8.5Kn
isoKo.
Inf.
3
5
7
8
On
.12 Meg.
.5. 5 Meg.
.5. 5 Meg.
Pin 6
tl.2Kn
tl. 2KO
.on
tsoon
f44no
t4. 7Kn
tl. 2KO,
470IOJ
on
Inf.
#on
on
3.5Kn
on
50 Meg.
9
.loOKn
Pin 7
#680,
lOKn
820,
.820,
*l82n
l.SKn
ison
IMee.
ion
4on
isn
23. 5n
ion
sen
50 Mee.
Pin 8
2n
in
sson
2in
210,
isn
loon
Inf.
Pin 9
26n
TOP CAP
tiooon
10
11
14
.5. 5 Meg.
.5. 5 Meg.
1. 5n
t MEASURED FROM PIN 4 OF M5
# MEASURED FROM PIN 4 OF V10
» MEASURED FROM PIN 6 OF V3
• MEASURED FROM PIN 2 OF V15
SIZE AND VERT. HOLD CONTROLS
1. DC Voltage measurements are at 20,000
4. Line voltage maintained at 117 volts for volt-
ohms per volt; AC Voltage measured at 1,000
oge rea
di
ngs
.
2. Pin numbers are counted in a clockwise direc-
tion on bottom of socket.
3. Measured values are from socket pin to com-
mon negative unless otherwise stated.
5. Front panels controls set ot minimum.
6. Where readings may vary according to the
setting of the service controls, both minimum
and maximum readings are given.
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