Tandberg TPA-3006-A Service manual
TANDBERG'TPA 30064
Circuit
Alignment
Diagram
Instructions
and
From serial No. 0970
feedback
{Zero
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Checking
the
speaker
protection
relay
Peak
clipping
Disconnect
Apply
-
(+
and
relay
should then
speaker
6 to 8 V d.c.
alternatelv) to
-
load.
with 220 kohm in
R508/R509.
open.
Adjust
slight
series
The
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power
The
solder
supply board
side
seen from
the
R1371R237
dipping.
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220
kohm
to
minimum
F
tight
in
LED at
NOTE!
lnput FET's
matched
group.
same
needs
by hand
FET's,
The
voltage
2.2Y t 0.2 V.
All
measurements
made
with
0103/0104
pairs,
Each
a
spesific value
on
the
check
across
probe
a
and
pc
for
correct
matched
in
and O203/O2O4
should be.replaced
board).
R147
having
pair
of
source resistors
After replacing
current.
/R247 should be
the
amplifier
minimum
are
with
of transistors
must be
5
the
(written
the
kohms.
+or-8V
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