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Parts
Identification
SECTION 1
GENERAL
Power amplifier
[27] POWER switch
PEAK POWER METER
METER RANGE selector
[30] OPERATION indicator
[31] SPEAKERS selector
HEADPHONES jack (stereo phone jack)
SECTION
2
DISASSEMBLY
Note:
Follow the disassembly
procedure
in the numerical
order
given,
[FRONT
PANEL)
@ BVTP3x8
SECTION
3
ELECTRICAL
ADJUSTMENTS
(DC
Bias
Adjustment]
|
Perform
this adjustment
when
replacing
the transistors
or
ICs
of the
power
amplifier,
Setup :
e No signal (No load)
e Minimum
volume
Procedure
:
1,
Connect
DC
volt meter
to the TP.
2,
Turn on the power and wait for 3 minutes, then adjust
RT101
(L-CH)
and
RT151
(R-CH)
so
that
the
bias
voltage
becomes
7mV,
Adjusument
Location:
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