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SERVICE PROCEDURES
1. IDLING
CURRENT
ADJUSTMENT
Connect the DC voltmeter between ID-CT terminals.
Adjust thé voltage to 40 + 10mV with R22.
NOTES: Adjust after switching on for 10 minutes.
Open Load
Volume ... Minimum
terminal, connect a 2 ohm hollow resistor
to
the
speaker
terminals
and
adjust
variable resistor R61 so that the relay is
operated at maximum
volume. Confirm
that the relay is not operated when the
3 ohm hollow resistor is connected.
Differentiation Circuit
(Check method)
NOTES:
4. REMOVEMENT
OF THE
POWER
AMP.
PC BOARD
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