Harman Kardon CITATION B Owners Manual - Page 11

Check, Idling, Current, Adjust

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1. Turn off the Citation B. HOW TO CHECK THE IDLING CURRENT 2. Remove the decorative panelette from the bottom of the front panel. 3. Remove the two input cables from Channel A and Channel B. 4. Do not disconnect the speakers. 5. Turn on the Citation B and allow the unit to operate for at least ten minutes until it reaches proper temperature. 6. The meter selector switch should be in the "OFF" position. Now rotate the switch through the next four (IDLE 1, 2, 3, and 4) positions. If the pointer falls within the brown area on the meter, no adjustment is necessary. If the pointer falls either below or above the brown area, an adjustment is necessary. HOW TO ADJUST THE IDLING CURRENT NOTE: It is important when advancing or retarding a pair of controls (Ex. = Idle Adjust # 1 and #2) to keep the degree of rotation of each control in equivalent positions at all times. Rotate one control a maximum of 10 degrees in a clockwise or counterclockwise direction, likewise rotate the other control of the pair 10 degrees in the same direction to an equivalent position. The pair of idle adjust controls being adjusted are mutually dependent upon each other as well as their related power output transistors and associated circuitry. The slots in both controls can be used as a guide when adjustments are made. See Diagram C. Rotation of the idle adjust controls in a: 1. CW direction will raise the pointer reading of the meter. 2. CC W direction will lower the pointer reading of the meter. BROWN AREA O METER SELECTOR IDLE2 IDLE I IDLE 3 OFF IDLE 4 0 0 SHAFT SLOT POSIT/ON SHAFT SLOT POSITION IDLE I IDLE 2 LCflANN EL Al CORRECT ADJUSTMENT IDLE 3 IDLE 4 LCHANNEL INCORRECT ADJUSTMENT C i•rd:cri Ollt B O DIAGRAM C H9072017 I A Q 10

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HOW
TO
CHECK
THE
IDLING
CURRENT
1.
Turn
off
the
Citation
B.
2.
Remove
the
decorative
panelette
from
the
bottom
of
the
front
panel.
3.
Remove
the
two
input
cables
from
Channel
A
and
Channel
B.
4.
Do
not
disconnect
the
speakers.
5.
Turn
on
the
Citation
B
and
allow
the
unit
to
operate
for
at
least
ten
minutes
until
it
reaches
proper
temperature.
6.
The
meter
selector
switch
should
be
in
the
"OFF"
position.
Now
rotate
the
switch
through
the
next
four
(IDLE
1,
2,
3,
and
4)
positions.
If
the
pointer
falls
within
the
brown
area
on
the
meter,
no
adjustment
is
necessary.
If
the
pointer
falls
either
below
or
above
the
brown
area,
an
adjustment
is
necessary.
HOW
TO
ADJUST
THE
IDLING
CURRENT
NOTE:
It
is
important
when
advancing
or
retarding
a
pair
of
controls
(Ex.
=
Idle
Adjust
#
1
and
#2)
to
keep
the
degree
of
rotation
of
each
control
in
equivalent
positions
at
all
times.
Rotate
one
control
a
maximum
of
10
degrees
in
a
clockwise
or
counterclockwise
direction,
likewise
rotate
the
other
control
of
the
pair
10
degrees
in
the
same
direction
to
an
equivalent
position.
The
pair
of
idle
adjust
controls
being
adjusted
are
mutually
dependent
upon
each
other
as
well
as
their
related
power
output
transistors
and
associated
cir-
cuitry.
The
slots
in
both
controls
can
be
used
as
a
guide
when
adjustments
are
made.
See
Diagram
C.
Rotation
of
the
idle
adjust
controls
in
a:
1.
CW
direction
will
raise
the
pointer
reading
of
the
meter.
2.
CC
W
direction
will
lower
the
pointer
reading
of
the
meter.
BROWN
AREA
O
METER
SELECTOR
IDLE2
IDLE
I
IDLE
3
OFF
IDLE
4
0
0
SHAFT
SHAFT
SLOT
POSIT/ON
SLOT
POSITION
IDLE
I
IDLE
2
IDLE
3
IDLE
4
LCflANN
EL
Al
LCHANNEL
C
i•rd:cri
Ollt
B
O
CORRECT
ADJUSTMENT
INCORRECT
ADJUSTMENT
DIAGRAM
C
H9072017
I
A
Q
10