Eico HF-85 - Page 35

VOLTAGE
AND
RESISTANCE
CHART
TUBE
PIN'
OPERATING
VOLTS
(DC
UNLESS
NOTED)
SIGNAL
VOLTS
{lkc)at3VOUT
VI
(ECC8V12AX7)
.44
.046
0
pin
9)
.046
.004
0
V2
.
1
(ECC8V12AX7)
.
2
3
8
9
87 -
iOi>
.082
0
.026
1.2
0
ni.
(0VDC;6.3VACtopm9)
72
•
Sc
.026
0
0.75
0
m.
V3,V4
V
1
(bofhECC83/12AX7).
2
.
3
4i5
V 6
9
m.
(OVDC;
6.3VACh;
140- id-j
.
VS
I
(ECC83/I2AX7)
2
3
4&5
6
7
8
9
1.25
0.075
ni.
(OVDC; 6.
3VAC fo
pin
9)
140-
3
0.4
•!
0.16
1.25
-Tt
0.075
TlIontMi*
V6
6X4
275
VAC*
ni. (OVDC;
6.
3VAC
between
pirw
3&4)
275
VAC*
340
AN
r«Iitonc»
meauranianlt,
•xceptfremplr»7ofV6(6X4
wcHfier)
are
ma*
with
pin
7 of
V6
greundad.
Ail
voltage
and
•«>>it»,ce
tneosure-
^ntJ are
meowred
to
ehoHle
with
oontroli
tel
» followt:
SELECTO*
SwitchtoPHONOyMODEswItchloMONOPHONIC
PHONO
LEVEL
1
& 2 controls
both
at
LOUDNESS
switch
to
OUT,
BASS
1
& 2 aid
TREBLE
]&2controls
oil otO.
NotethotattheMONOPHONIC
PHONO
A
’
L
frw" that
at the other
positions
of
the
MOD^wIteh
due
to loues
in the
mixing
network
Inserted
at this
^itlon.
This
accountsfbrthe
o^iparantsensitivity
In the
chartof.004v
4t.w)In
at l
kcfor3vout.dthe
PHONO
position,
instead
of
.0015
{
.5tnv)
for
3v out
on
phono that
een
be
expected
at the
other
MODE
^ons. fer
wltage
meourements
os they
appear
in this
chart,
feed
0.004
volt
(4mv)
Ike
signal
IntethefAAG.
PHONO
nnputonly,short-
2
'"P'^*
Voltage
measurernents
are
mode
with
Operating
line
voltage
at
which
voltage
measurements
are
mode
is
117VAC,
60cps.
NOTE:
ALL
VOLTAGE
& RESISTANCE
VALUES
MAY
NORMALLY
BY ±15%.
*
«ilbTANCE
OHMS
(UNIT
DISCONNECTED
FROM
POWER)
280KO
IMO
4.
7KO
280KO
9IKn
2.2Kn
280KO
IMG
4.
7Kft
2BOKO
9IKO
2.2X0
1I2KO
470Kfl
2. 2X0
232KO
225X0
2.2X0
112X0
260X0
1X0
112X0
260X0
1X0
5000
500
0
over
100X0
11