EasyManuals Logo

JVC AX-222BK User Manual

JVC AX-222BK
22 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #10 background imageLoading...
Page #10 background image
AX-222BK
@
Use
of
New-type
Connector
(1)
Slide
the
cover
upward.
(2)
Extract
the
wires.
(3)Insert
the
wires
after
pushing
in
the
cover.
Adjustment
Procedures
@
Power
Amplifier
Idling
Adjustment
Left
Channel
R751
R773
(&))
(+)
~
(-)
.
Before
tuning
on
the
power,
turn
the
semi-fixed
resis-
tors
(R751
for
L channel
and
R752
for
R
channel)
of
the
power
amplifier
circuit
board
fully
counterclockwise.
.
Adjust
the
semi-fiexed
resistor
(R751
and
R752)
so
that
the
voltage
at
the
following
test
points
of
the
power
amplifier
circuit
board
is
within
a
range
of
3
~
5
mV
after
the
power
is
turned
on.
L
channel:
Measure
the
voltage
between
test
point
©
(emitter
of
Q761)
and
output
at
the
test
point
©.
R
channel:
Meaure
the
voltage
between
test
point
©
(emitter
of
Q762)
and
output
at
the
test
point
©.
1-10
(No.
20025)
Right
Channel
R752
{wy}
(+)
~
(-)
ENH-094-1
.
Readjust
resistors
R751
and
R752
about
10
minutes
after
the
power
is
turned
on
(the
heatsink
temperature
must
be
sufficiently
high)
so
that
the
voltage
at
the
test
points
becomes
11
mV.
Confirm
that
the
voltage
does
not
vary
when
the
heat-
sink
temperature
increases
further.
Note:
Be
sure
to
perform
the
measurement
with
the
probes
and
cabinet
of
the
measuring
equipment
separated
from
the
grounding
terminals
of
AX-222BK
or
other
measuring
equipment.

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the JVC AX-222BK and is the answer not in the manual?

JVC AX-222BK Specifications

General IconGeneral
BrandJVC
ModelAX-222BK
CategoryAmplifier
LanguageEnglish

Related product manuals